From b0d8f5bf0d215adc9424cb228b2484dbf07f7761 Mon Sep 17 00:00:00 2001 From: Peter Pearse Date: Wed, 9 May 2007 11:37:56 +0100 Subject: New board SMN42 branch --- include/asm-arm/arch-arm720t/hardware.h | 2 -- include/configs/lpc2292sodimm.h | 14 ++++++-------- 2 files changed, 6 insertions(+), 10 deletions(-) (limited to 'include') diff --git a/include/asm-arm/arch-arm720t/hardware.h b/include/asm-arm/arch-arm720t/hardware.h index 1e9cd41169..3056ca7f67 100644 --- a/include/asm-arm/arch-arm720t/hardware.h +++ b/include/asm-arm/arch-arm720t/hardware.h @@ -36,8 +36,6 @@ /* include armadillo specific hardware file if there was one */ #elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) /* include IntegratorCP/CM720T specific hardware file if there was one */ -#elif defined(CONFIG_LPC2292) -#include #else #error No hardware file defined for this configuration #endif diff --git a/include/configs/lpc2292sodimm.h b/include/configs/lpc2292sodimm.h index 7e515230a3..d817ea8d73 100644 --- a/include/configs/lpc2292sodimm.h +++ b/include/configs/lpc2292sodimm.h @@ -1,12 +1,8 @@ /* - * (C) Copyright 2000 - * Sysgo Real-Time Solutions, GmbH - * Marius Groeger + * (C) Copyright 2007 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * Configuation settings for the EP7312 board. - * - * Modified to work on Armadillo HT1070 ARM720T board - * (C) Copyright 2005 Rowel Atienza rowel@diwalabs.com + * Configuation settings for the LPC2292SODIMM board from Embedded Artists. * * See file CREDITS for list of people who contributed to this * project. @@ -31,7 +27,7 @@ #define __CONFIG_H /* - * If we are developing, we might want to start armboot from ram + * If we are developing, we might want to start u-boot from ram * so we MUST NOT initialize critical regs like mem-timing ... */ #undef CONFIG_INIT_CRITICAL /* undef for developing */ @@ -154,5 +150,7 @@ #define CONFIG_SETUP_MEMORY_TAGS #define CONFIG_INITRD_TAG #define CONFIG_MMC 1 +/* we use this ethernet chip */ +#define CONFIG_ENC28J60 #endif /* __CONFIG_H */ -- cgit v1.2.3 From 5c6d2b5a500f8c49670de8910150b78a41f781fc Mon Sep 17 00:00:00 2001 From: Peter Pearse Date: Wed, 9 May 2007 11:40:34 +0100 Subject: Remove the deleted files for the SMN42 patch --- board/lpc2292sodimm/eth.c | 885 ----------------------- board/lpc2292sodimm/iap_entry.S | 7 - board/lpc2292sodimm/mmc.c | 154 ---- board/lpc2292sodimm/mmc_hw.c | 233 ------ board/lpc2292sodimm/mmc_hw.h | 29 - board/lpc2292sodimm/spi.c | 40 - board/lpc2292sodimm/spi.h | 82 --- include/asm-arm/arch-arm720t/lpc2292_registers.h | 225 ------ include/asm-arm/arch-arm720t/mmc.h | 22 - 9 files changed, 1677 deletions(-) delete mode 100644 board/lpc2292sodimm/eth.c delete mode 100644 board/lpc2292sodimm/iap_entry.S delete mode 100644 board/lpc2292sodimm/mmc.c delete mode 100644 board/lpc2292sodimm/mmc_hw.c delete mode 100644 board/lpc2292sodimm/mmc_hw.h delete mode 100644 board/lpc2292sodimm/spi.c delete mode 100644 board/lpc2292sodimm/spi.h delete mode 100644 include/asm-arm/arch-arm720t/lpc2292_registers.h delete mode 100644 include/asm-arm/arch-arm720t/mmc.h (limited to 'include') diff --git a/board/lpc2292sodimm/eth.c b/board/lpc2292sodimm/eth.c deleted file mode 100644 index 249ab04393..0000000000 --- a/board/lpc2292sodimm/eth.c +++ /dev/null @@ -1,885 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include -#include -#include -#include "spi.h" - -/* - * Control Registers in Bank 0 - */ - -#define CTL_REG_ERDPTL 0x00 -#define CTL_REG_ERDPTH 0x01 -#define CTL_REG_EWRPTL 0x02 -#define CTL_REG_EWRPTH 0x03 -#define CTL_REG_ETXSTL 0x04 -#define CTL_REG_ETXSTH 0x05 -#define CTL_REG_ETXNDL 0x06 -#define CTL_REG_ETXNDH 0x07 -#define CTL_REG_ERXSTL 0x08 -#define CTL_REG_ERXSTH 0x09 -#define CTL_REG_ERXNDL 0x0A -#define CTL_REG_ERXNDA 0x0B -#define CTL_REG_ERXRDPTL 0x0C -#define CTL_REG_ERXRDPTH 0x0D -#define CTL_REG_ERXWRPTL 0x0E -#define CTL_REG_ERXWRPTH 0x0F -#define CTL_REG_EDMASTL 0x10 -#define CTL_REG_EDMASTH 0x11 -#define CTL_REG_EDMANDL 0x12 -#define CTL_REG_EDMANDH 0x13 -#define CTL_REG_EDMADSTL 0x14 -#define CTL_REG_EDMADSTH 0x15 -#define CTL_REG_EDMACSL 0x16 -#define CTL_REG_EDMACSH 0x17 -/* these are common in all banks */ -#define CTL_REG_EIE 0x1B -#define CTL_REG_EIR 0x1C -#define CTL_REG_ESTAT 0x1D -#define CTL_REG_ECON2 0x1E -#define CTL_REG_ECON1 0x1F - -/* - * Control Registers in Bank 1 - */ - -#define CTL_REG_EHT0 0x00 -#define CTL_REG_EHT1 0x01 -#define CTL_REG_EHT2 0x02 -#define CTL_REG_EHT3 0x03 -#define CTL_REG_EHT4 0x04 -#define CTL_REG_EHT5 0x05 -#define CTL_REG_EHT6 0x06 -#define CTL_REG_EHT7 0x07 -#define CTL_REG_EPMM0 0x08 -#define CTL_REG_EPMM1 0x09 -#define CTL_REG_EPMM2 0x0A -#define CTL_REG_EPMM3 0x0B -#define CTL_REG_EPMM4 0x0C -#define CTL_REG_EPMM5 0x0D -#define CTL_REG_EPMM6 0x0E -#define CTL_REG_EPMM7 0x0F -#define CTL_REG_EPMCSL 0x10 -#define CTL_REG_EPMCSH 0x11 -#define CTL_REG_EPMOL 0x14 -#define CTL_REG_EPMOH 0x15 -#define CTL_REG_EWOLIE 0x16 -#define CTL_REG_EWOLIR 0x17 -#define CTL_REG_ERXFCON 0x18 -#define CTL_REG_EPKTCNT 0x19 - -/* - * Control Registers in Bank 2 - */ - -#define CTL_REG_MACON1 0x00 -#define CTL_REG_MACON2 0x01 -#define CTL_REG_MACON3 0x02 -#define CTL_REG_MACON4 0x03 -#define CTL_REG_MABBIPG 0x04 -#define CTL_REG_MAIPGL 0x06 -#define CTL_REG_MAIPGH 0x07 -#define CTL_REG_MACLCON1 0x08 -#define CTL_REG_MACLCON2 0x09 -#define CTL_REG_MAMXFLL 0x0A -#define CTL_REG_MAMXFLH 0x0B -#define CTL_REG_MAPHSUP 0x0D -#define CTL_REG_MICON 0x11 -#define CTL_REG_MICMD 0x12 -#define CTL_REG_MIREGADR 0x14 -#define CTL_REG_MIWRL 0x16 -#define CTL_REG_MIWRH 0x17 -#define CTL_REG_MIRDL 0x18 -#define CTL_REG_MIRDH 0x19 - -/* - * Control Registers in Bank 3 - */ - -#define CTL_REG_MAADR1 0x00 -#define CTL_REG_MAADR0 0x01 -#define CTL_REG_MAADR3 0x02 -#define CTL_REG_MAADR2 0x03 -#define CTL_REG_MAADR5 0x04 -#define CTL_REG_MAADR4 0x05 -#define CTL_REG_EBSTSD 0x06 -#define CTL_REG_EBSTCON 0x07 -#define CTL_REG_EBSTCSL 0x08 -#define CTL_REG_EBSTCSH 0x09 -#define CTL_REG_MISTAT 0x0A -#define CTL_REG_EREVID 0x12 -#define CTL_REG_ECOCON 0x15 -#define CTL_REG_EFLOCON 0x17 -#define CTL_REG_EPAUSL 0x18 -#define CTL_REG_EPAUSH 0x19 - - -/* - * PHY Register - */ - -#define PHY_REG_PHID1 0x02 -#define PHY_REG_PHID2 0x03 - - -/* - * Receive Filter Register (ERXFCON) bits - */ - -#define ENC_RFR_UCEN 0x80 -#define ENC_RFR_ANDOR 0x40 -#define ENC_RFR_CRCEN 0x20 -#define ENC_RFR_PMEN 0x10 -#define ENC_RFR_MPEN 0x08 -#define ENC_RFR_HTEN 0x04 -#define ENC_RFR_MCEN 0x02 -#define ENC_RFR_BCEN 0x01 - -/* - * ECON1 Register Bits - */ - -#define ENC_ECON1_TXRST 0x80 -#define ENC_ECON1_RXRST 0x40 -#define ENC_ECON1_DMAST 0x20 -#define ENC_ECON1_CSUMEN 0x10 -#define ENC_ECON1_TXRTS 0x08 -#define ENC_ECON1_RXEN 0x04 -#define ENC_ECON1_BSEL1 0x02 -#define ENC_ECON1_BSEL0 0x01 - -/* - * ECON2 Register Bits - */ -#define ENC_ECON2_AUTOINC 0x80 -#define ENC_ECON2_PKTDEC 0x40 -#define ENC_ECON2_PWRSV 0x20 -#define ENC_ECON2_VRPS 0x08 - -/* - * EIR Register Bits - */ -#define ENC_EIR_PKTIF 0x40 -#define ENC_EIR_DMAIF 0x20 -#define ENC_EIR_LINKIF 0x10 -#define ENC_EIR_TXIF 0x08 -#define ENC_EIR_WOLIF 0x04 -#define ENC_EIR_TXERIF 0x02 -#define ENC_EIR_RXERIF 0x01 - -/* - * ESTAT Register Bits - */ - -#define ENC_ESTAT_INT 0x80 -#define ENC_ESTAT_LATECOL 0x10 -#define ENC_ESTAT_RXBUSY 0x04 -#define ENC_ESTAT_TXABRT 0x02 -#define ENC_ESTAT_CLKRDY 0x01 - -/* - * EIE Register Bits - */ - -#define ENC_EIE_INTIE 0x80 -#define ENC_EIE_PKTIE 0x40 -#define ENC_EIE_DMAIE 0x20 -#define ENC_EIE_LINKIE 0x10 -#define ENC_EIE_TXIE 0x08 -#define ENC_EIE_WOLIE 0x04 -#define ENC_EIE_TXERIE 0x02 -#define ENC_EIE_RXERIE 0x01 - -/* - * MACON1 Register Bits - */ -#define ENC_MACON1_LOOPBK 0x10 -#define ENC_MACON1_TXPAUS 0x08 -#define ENC_MACON1_RXPAUS 0x04 -#define ENC_MACON1_PASSALL 0x02 -#define ENC_MACON1_MARXEN 0x01 - - -/* - * MACON2 Register Bits - */ -#define ENC_MACON2_MARST 0x80 -#define ENC_MACON2_RNDRST 0x40 -#define ENC_MACON2_MARXRST 0x08 -#define ENC_MACON2_RFUNRST 0x04 -#define ENC_MACON2_MATXRST 0x02 -#define ENC_MACON2_TFUNRST 0x01 - -/* - * MACON3 Register Bits - */ -#define ENC_MACON3_PADCFG2 0x80 -#define ENC_MACON3_PADCFG1 0x40 -#define ENC_MACON3_PADCFG0 0x20 -#define ENC_MACON3_TXCRCEN 0x10 -#define ENC_MACON3_PHDRLEN 0x08 -#define ENC_MACON3_HFRMEN 0x04 -#define ENC_MACON3_FRMLNEN 0x02 -#define ENC_MACON3_FULDPX 0x01 - -/* - * MICMD Register Bits - */ -#define ENC_MICMD_MIISCAN 0x02 -#define ENC_MICMD_MIIRD 0x01 - -/* - * MISTAT Register Bits - */ -#define ENC_MISTAT_NVALID 0x04 -#define ENC_MISTAT_SCAN 0x02 -#define ENC_MISTAT_BUSY 0x01 - -/* - * PHID1 and PHID2 values - */ -#define ENC_PHID1_VALUE 0x0083 -#define ENC_PHID2_VALUE 0x1400 -#define ENC_PHID2_MASK 0xFC00 - - -#define ENC_SPI_SLAVE_CS 0x00010000 /* pin P1.16 */ -#define ENC_RESET 0x00020000 /* pin P1.17 */ - -#define FAILSAFE_VALUE 5000 - -/* - * Controller memory layout: - * - * 0x0000 - 0x17ff 6k bytes receive buffer - * 0x1800 - 0x1fff 2k bytes transmit buffer - */ -/* Use the lower memory for receiver buffer. See errata pt. 5 */ -#define ENC_RX_BUF_START 0x0000 -#define ENC_TX_BUF_START 0x1800 - -/* maximum frame length */ -#define ENC_MAX_FRM_LEN 1518 - -#define enc_enable() PUT32(IO1CLR, ENC_SPI_SLAVE_CS) -#define enc_disable() PUT32(IO1SET, ENC_SPI_SLAVE_CS) -#define enc_cfg_spi() spi_set_cfg(0, 0, 0); spi_set_clock(8); - - -static unsigned char encReadReg (unsigned char regNo); -static void encWriteReg (unsigned char regNo, unsigned char data); -static void encWriteRegRetry (unsigned char regNo, unsigned char data, int c); -static void encReadBuff (unsigned short length, unsigned char *pBuff); -static void encWriteBuff (unsigned short length, unsigned char *pBuff); -static void encBitSet (unsigned char regNo, unsigned char data); -static void encBitClr (unsigned char regNo, unsigned char data); -static void encReset (void); -static void encInit (unsigned char *pEthAddr); -static unsigned short phyRead (unsigned char addr); -static void encPoll (void); -static void encRx (void); - -#define m_nic_read(reg) encReadReg(reg) -#define m_nic_write(reg, data) encWriteReg(reg, data) -#define m_nic_write_retry(reg, data, count) encWriteRegRetry(reg, data, count) -#define m_nic_read_data(len, buf) encReadBuff((len), (buf)) -#define m_nic_write_data(len, buf) encWriteBuff((len), (buf)) - -/* bit field set */ -#define m_nic_bfs(reg, data) encBitSet(reg, data) - -/* bit field clear */ -#define m_nic_bfc(reg, data) encBitClr(reg, data) - -static unsigned char bank = 0; /* current bank in enc28j60 */ -static unsigned char next_pointer_lsb; -static unsigned char next_pointer_msb; - -static unsigned char buffer[ENC_MAX_FRM_LEN]; -static int rxResetCounter = 0; - -#define RX_RESET_COUNTER 1000; - -/*----------------------------------------------------------------------------- - * Returns 0 when failes otherwize 1 - */ -int eth_init (bd_t * bis) -{ - /* configure GPIO */ - (*((volatile unsigned long *) IO1DIR)) |= ENC_SPI_SLAVE_CS; - (*((volatile unsigned long *) IO1DIR)) |= ENC_RESET; - - /* CS and RESET active low */ - PUT32 (IO1SET, ENC_SPI_SLAVE_CS); - PUT32 (IO1SET, ENC_RESET); - - spi_init (); - - /* initialize controller */ - encReset (); - encInit (bis->bi_enetaddr); - - m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_RXEN); /* enable receive */ - - return 0; -} - -int eth_send (volatile void *packet, int length) -{ - /* check frame length, etc. */ - /* TODO: */ - - /* switch to bank 0 */ - m_nic_bfc (CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0)); - - /* set EWRPT */ - m_nic_write (CTL_REG_EWRPTL, (ENC_TX_BUF_START & 0xff)); - m_nic_write (CTL_REG_EWRPTH, (ENC_TX_BUF_START >> 8)); - - /* set ETXST */ - m_nic_write (CTL_REG_ETXSTL, ENC_TX_BUF_START & 0xFF); - m_nic_write (CTL_REG_ETXSTH, ENC_TX_BUF_START >> 8); - - /* write packet */ - m_nic_write_data (length, (unsigned char *) packet); - - /* set ETXND */ - m_nic_write (CTL_REG_ETXNDL, (length + ENC_TX_BUF_START) & 0xFF); - m_nic_write (CTL_REG_ETXNDH, (length + ENC_TX_BUF_START) >> 8); - - /* set ECON1.TXRTS */ - m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_TXRTS); - - return 0; -} - - -/***************************************************************************** - * This function resets the receiver only. This function may be called from - * interrupt-context. - */ -static void encReceiverReset (void) -{ - unsigned char econ1; - - econ1 = m_nic_read (CTL_REG_ECON1); - if ((econ1 & ENC_ECON1_RXRST) == 0) { - m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_RXRST); - rxResetCounter = RX_RESET_COUNTER; - } -} - -/***************************************************************************** - * receiver reset timer - */ -static void encReceiverResetCallback (void) -{ - m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_RXRST); - m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_RXEN); /* enable receive */ -} - -/*----------------------------------------------------------------------------- - * Check for received packets. Call NetReceive for each packet. The return - * value is ignored by the caller. - */ -int eth_rx (void) -{ - if (rxResetCounter > 0 && --rxResetCounter == 0) { - encReceiverResetCallback (); - } - - encPoll (); - - return 0; -} - -void eth_halt (void) -{ - m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_RXEN); /* disable receive */ -} - -/*****************************************************************************/ - -static void encPoll (void) -{ - unsigned char eir_reg; - volatile unsigned char estat_reg; - unsigned char pkt_cnt; - - /* clear global interrupt enable bit in enc28j60 */ - m_nic_bfc (CTL_REG_EIE, ENC_EIE_INTIE); - estat_reg = m_nic_read (CTL_REG_ESTAT); - - eir_reg = m_nic_read (CTL_REG_EIR); - - if (eir_reg & ENC_EIR_TXIF) { - /* clear TXIF bit in EIR */ - m_nic_bfc (CTL_REG_EIR, ENC_EIR_TXIF); - } - - /* We have to use pktcnt and not pktif bit, see errata pt. 6 */ - - /* move to bank 1 */ - m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL1); - m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL0); - - /* read pktcnt */ - pkt_cnt = m_nic_read (CTL_REG_EPKTCNT); - - if (pkt_cnt > 0) { - if ((eir_reg & ENC_EIR_PKTIF) == 0) { - /*printf("encPoll: pkt cnt > 0, but pktif not set\n"); */ - } - encRx (); - /* clear PKTIF bit in EIR, this should not need to be done but it - seems like we get problems if we do not */ - m_nic_bfc (CTL_REG_EIR, ENC_EIR_PKTIF); - } - - if (eir_reg & ENC_EIR_RXERIF) { - printf ("encPoll: rx error\n"); - m_nic_bfc (CTL_REG_EIR, ENC_EIR_RXERIF); - } - if (eir_reg & ENC_EIR_TXERIF) { - printf ("encPoll: tx error\n"); - m_nic_bfc (CTL_REG_EIR, ENC_EIR_TXERIF); - } - - /* set global interrupt enable bit in enc28j60 */ - m_nic_bfs (CTL_REG_EIE, ENC_EIE_INTIE); -} - -static void encRx (void) -{ - unsigned short pkt_len; - unsigned short copy_len; - unsigned short status; - unsigned char eir_reg; - unsigned char pkt_cnt = 0; - - /* switch to bank 0 */ - m_nic_bfc (CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0)); - - m_nic_write (CTL_REG_ERDPTL, next_pointer_lsb); - m_nic_write (CTL_REG_ERDPTH, next_pointer_msb); - - do { - m_nic_read_data (6, buffer); - next_pointer_lsb = buffer[0]; - next_pointer_msb = buffer[1]; - pkt_len = buffer[2]; - pkt_len |= (unsigned short) buffer[3] << 8; - status = buffer[4]; - status |= (unsigned short) buffer[5] << 8; - - if (pkt_len <= ENC_MAX_FRM_LEN) { - copy_len = pkt_len; - } else { - copy_len = 0; - /* p_priv->stats.rx_dropped++; */ - /* we will drop this packet */ - } - - if ((status & (1L << 7)) == 0) { /* check Received Ok bit */ - copy_len = 0; - /* p_priv->stats.rx_errors++; */ - } - - if (copy_len > 0) { - m_nic_read_data (copy_len, buffer); - } - - /* advance read pointer to next pointer */ - m_nic_write (CTL_REG_ERDPTL, next_pointer_lsb); - m_nic_write (CTL_REG_ERDPTH, next_pointer_msb); - - /* decrease packet counter */ - m_nic_bfs (CTL_REG_ECON2, ENC_ECON2_PKTDEC); - - /* move to bank 1 */ - m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL1); - m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL0); - - /* read pktcnt */ - pkt_cnt = m_nic_read (CTL_REG_EPKTCNT); - - /* switch to bank 0 */ - m_nic_bfc (CTL_REG_ECON1, - (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0)); - - if (copy_len == 0) { - eir_reg = m_nic_read (CTL_REG_EIR); - encReceiverReset (); - printf ("eth_rx: copy_len=0\n"); - continue; - } - - NetReceive ((unsigned char *) buffer, pkt_len); - - eir_reg = m_nic_read (CTL_REG_EIR); - } while (pkt_cnt); /* Use EPKTCNT not EIR.PKTIF flag, see errata pt. 6 */ - m_nic_write (CTL_REG_ERXRDPTL, next_pointer_lsb); - m_nic_write (CTL_REG_ERXRDPTH, next_pointer_msb); -} - -static void encWriteReg (unsigned char regNo, unsigned char data) -{ - spi_lock (); - enc_cfg_spi (); - enc_enable (); - - spi_write (0x40 | regNo); /* write in regNo */ - spi_write (data); - - enc_disable (); - enc_enable (); - - spi_write (0x1f); /* write reg 0x1f */ - - enc_disable (); - spi_unlock (); -} - -static void encWriteRegRetry (unsigned char regNo, unsigned char data, int c) -{ - unsigned char readback; - int i; - - spi_lock (); - - for (i = 0; i < c; i++) { - enc_cfg_spi (); - enc_enable (); - - spi_write (0x40 | regNo); /* write in regNo */ - spi_write (data); - - enc_disable (); - enc_enable (); - - spi_write (0x1f); /* write reg 0x1f */ - - enc_disable (); - - spi_unlock (); /* we must unlock spi first */ - - readback = encReadReg (regNo); - - spi_lock (); - - if (readback == data) - break; - } - spi_unlock (); - - if (i == c) { - printf ("enc28j60: write reg %d failed\n", regNo); - } -} - -static unsigned char encReadReg (unsigned char regNo) -{ - unsigned char rxByte; - - spi_lock (); - enc_cfg_spi (); - enc_enable (); - - spi_write (0x1f); /* read reg 0x1f */ - - bank = spi_read () & 0x3; - - enc_disable (); - enc_enable (); - - spi_write (regNo); - rxByte = spi_read (); - - /* check if MAC or MII register */ - if (((bank == 2) && (regNo <= 0x1a)) || - ((bank == 3) && (regNo <= 0x05 || regNo == 0x0a))) { - /* ignore first byte and read another byte */ - rxByte = spi_read (); - } - - enc_disable (); - spi_unlock (); - - return rxByte; -} - -static void encReadBuff (unsigned short length, unsigned char *pBuff) -{ - spi_lock (); - enc_cfg_spi (); - enc_enable (); - - spi_write (0x20 | 0x1a); /* read buffer memory */ - - while (length--) { - if (pBuff != NULL) - *pBuff++ = spi_read (); - else - spi_write (0); - } - - enc_disable (); - spi_unlock (); -} - -static void encWriteBuff (unsigned short length, unsigned char *pBuff) -{ - spi_lock (); - enc_cfg_spi (); - enc_enable (); - - spi_write (0x60 | 0x1a); /* write buffer memory */ - - spi_write (0x00); /* control byte */ - - while (length--) - spi_write (*pBuff++); - - enc_disable (); - spi_unlock (); -} - -static void encBitSet (unsigned char regNo, unsigned char data) -{ - spi_lock (); - enc_cfg_spi (); - enc_enable (); - - spi_write (0x80 | regNo); /* bit field set */ - spi_write (data); - - enc_disable (); - spi_unlock (); -} - -static void encBitClr (unsigned char regNo, unsigned char data) -{ - spi_lock (); - enc_cfg_spi (); - enc_enable (); - - spi_write (0xA0 | regNo); /* bit field clear */ - spi_write (data); - - enc_disable (); - spi_unlock (); -} - -static void encReset (void) -{ - spi_lock (); - enc_cfg_spi (); - enc_enable (); - - spi_write (0xff); /* soft reset */ - - enc_disable (); - spi_unlock (); - - /* sleep 1 ms. See errata pt. 2 */ - udelay (1000); - -#if 0 - (*((volatile unsigned long *) IO1CLR)) &= ENC_RESET; - mdelay (5); - (*((volatile unsigned long *) IO1SET)) &= ENC_RESET; -#endif -} - -static void encInit (unsigned char *pEthAddr) -{ - unsigned short phid1 = 0; - unsigned short phid2 = 0; - - /* switch to bank 0 */ - m_nic_bfc (CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0)); - - /* - * Setup the buffer space. The reset values are valid for the - * other pointers. - */ -#if 0 - /* We shall not write to ERXST, see errata pt. 5. Instead we - have to make sure that ENC_RX_BUS_START is 0. */ - m_nic_write_retry (CTL_REG_ERXSTL, (ENC_RX_BUF_START & 0xFF), 1); - m_nic_write_retry (CTL_REG_ERXSTH, (ENC_RX_BUF_START >> 8), 1); -#endif - m_nic_write_retry (CTL_REG_ERDPTL, (ENC_RX_BUF_START & 0xFF), 1); - m_nic_write_retry (CTL_REG_ERDPTH, (ENC_RX_BUF_START >> 8), 1); - - next_pointer_lsb = (ENC_RX_BUF_START & 0xFF); - next_pointer_msb = (ENC_RX_BUF_START >> 8); - - /* - * For tracking purposes, the ERXRDPT registers should be programmed with - * the same value. This is the read pointer. - */ - m_nic_write (CTL_REG_ERXRDPTL, (ENC_RX_BUF_START & 0xFF)); - m_nic_write_retry (CTL_REG_ERXRDPTH, (ENC_RX_BUF_START >> 8), 1); - - /* Setup receive filters. */ - - /* move to bank 1 */ - m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL1); - m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL0); - - /* OR-filtering, Unicast, CRC-check and broadcast */ - m_nic_write_retry (CTL_REG_ERXFCON, - (ENC_RFR_UCEN | ENC_RFR_CRCEN | ENC_RFR_BCEN), 1); - - /* Wait for Oscillator Start-up Timer (OST). */ - while ((m_nic_read (CTL_REG_ESTAT) & ENC_ESTAT_CLKRDY) == 0) { - static int cnt = 0; - - if (cnt++ >= 1000) { - cnt = 0; - } - } - - /* verify identification */ - phid1 = phyRead (PHY_REG_PHID1); - phid2 = phyRead (PHY_REG_PHID2); - - if (phid1 != ENC_PHID1_VALUE - || (phid2 & ENC_PHID2_MASK) != ENC_PHID2_VALUE) { - printf ("ERROR: failed to identify controller\n"); - printf ("phid1 = %x, phid2 = %x\n", - phid1, (phid2 & ENC_PHID2_MASK)); - printf ("should be phid1 = %x, phid2 = %x\n", - ENC_PHID1_VALUE, ENC_PHID2_VALUE); - } - - /* - * --- MAC Initialization --- - */ - - /* Pull MAC out of Reset */ - - /* switch to bank 2 */ - m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL0); - m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL1); - /* clear MAC reset bits */ - m_nic_write_retry (CTL_REG_MACON2, 0, 1); - - /* enable MAC to receive frames */ - m_nic_write_retry (CTL_REG_MACON1, ENC_MACON1_MARXEN, 10); - - /* configure pad, tx-crc and duplex */ - /* TODO maybe enable FRMLNEN */ - m_nic_write_retry (CTL_REG_MACON3, - (ENC_MACON3_PADCFG0 | ENC_MACON3_TXCRCEN), 10); - - /* set maximum frame length */ - m_nic_write_retry (CTL_REG_MAMXFLL, (ENC_MAX_FRM_LEN & 0xff), 10); - m_nic_write_retry (CTL_REG_MAMXFLH, (ENC_MAX_FRM_LEN >> 8), 10); - - /* - * Set MAC back-to-back inter-packet gap. Recommended 0x12 for half duplex - * and 0x15 for full duplex. - */ - m_nic_write_retry (CTL_REG_MABBIPG, 0x12, 10); - - /* Set (low byte) Non-Back-to_Back Inter-Packet Gap. Recommended 0x12 */ - m_nic_write_retry (CTL_REG_MAIPGL, 0x12, 10); - - /* - * Set (high byte) Non-Back-to_Back Inter-Packet Gap. Recommended - * 0x0c for half-duplex. Nothing for full-duplex - */ - m_nic_write_retry (CTL_REG_MAIPGH, 0x0C, 10); - - /* set MAC address */ - - /* switch to bank 3 */ - m_nic_bfs (CTL_REG_ECON1, (ENC_ECON1_BSEL0 | ENC_ECON1_BSEL1)); - - m_nic_write_retry (CTL_REG_MAADR0, pEthAddr[5], 1); - m_nic_write_retry (CTL_REG_MAADR1, pEthAddr[4], 1); - m_nic_write_retry (CTL_REG_MAADR2, pEthAddr[3], 1); - m_nic_write_retry (CTL_REG_MAADR3, pEthAddr[2], 1); - m_nic_write_retry (CTL_REG_MAADR4, pEthAddr[1], 1); - m_nic_write_retry (CTL_REG_MAADR5, pEthAddr[0], 1); - - /* - * Receive settings - */ - - /* auto-increment RX-pointer when reading a received packet */ - m_nic_bfs (CTL_REG_ECON2, ENC_ECON2_AUTOINC); - - /* enable interrupts */ - m_nic_bfs (CTL_REG_EIE, ENC_EIE_PKTIE); - m_nic_bfs (CTL_REG_EIE, ENC_EIE_TXIE); - m_nic_bfs (CTL_REG_EIE, ENC_EIE_RXERIE); - m_nic_bfs (CTL_REG_EIE, ENC_EIE_TXERIE); - m_nic_bfs (CTL_REG_EIE, ENC_EIE_INTIE); -} - -/***************************************************************************** - * - * Description: - * Read PHY registers. - * - * NOTE! This function will change to Bank 2. - * - * Params: - * [in] addr address of the register to read - * - * Returns: - * The value in the register - */ -static unsigned short phyRead (unsigned char addr) -{ - unsigned short ret = 0; - - /* move to bank 2 */ - m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL0); - m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL1); - - /* write address to MIREGADR */ - m_nic_write (CTL_REG_MIREGADR, addr); - - /* set MICMD.MIIRD */ - m_nic_write (CTL_REG_MICMD, ENC_MICMD_MIIRD); - - /* poll MISTAT.BUSY bit until operation is complete */ - while ((m_nic_read (CTL_REG_MISTAT) & ENC_MISTAT_BUSY) != 0) { - static int cnt = 0; - - if (cnt++ >= 1000) { - /* GJ - this seems extremely dangerous! */ - /* printf("#"); */ - cnt = 0; - } - } - - /* clear MICMD.MIIRD */ - m_nic_write (CTL_REG_MICMD, 0); - - ret = (m_nic_read (CTL_REG_MIRDH) << 8); - ret |= (m_nic_read (CTL_REG_MIRDL) & 0xFF); - - return ret; -} diff --git a/board/lpc2292sodimm/iap_entry.S b/board/lpc2292sodimm/iap_entry.S deleted file mode 100644 index c31d5190bd..0000000000 --- a/board/lpc2292sodimm/iap_entry.S +++ /dev/null @@ -1,7 +0,0 @@ -IAP_ADDRESS: .word 0x7FFFFFF1 - -.globl iap_entry -iap_entry: - ldr r2, IAP_ADDRESS - bx r2 - mov pc, lr diff --git a/board/lpc2292sodimm/mmc.c b/board/lpc2292sodimm/mmc.c deleted file mode 100644 index 1c0922f240..0000000000 --- a/board/lpc2292sodimm/mmc.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include -#include -#include -#include -#include -#include -#include "mmc_hw.h" -#include "spi.h" - -#ifdef CONFIG_MMC - -#undef MMC_DEBUG - -static block_dev_desc_t mmc_dev; - -/* these are filled out by a call to mmc_hw_get_parameters */ -static int hw_size; /* in kbytes */ -static int hw_nr_sects; -static int hw_sect_size; /* in bytes */ - -block_dev_desc_t * mmc_get_dev(int dev) -{ - return (block_dev_desc_t *)(&mmc_dev); -} - -unsigned long mmc_block_read(int dev, - unsigned long start, - lbaint_t blkcnt, - unsigned long *buffer) -{ - unsigned long rc = 0; - unsigned char *p = (unsigned char *)buffer; - unsigned long i; - unsigned long addr = start; - -#ifdef MMC_DEBUG - printf("mmc_block_read: start=%lu, blkcnt=%lu\n", start, - (unsigned long)blkcnt); -#endif - - for(i = 0; i < (unsigned long)blkcnt; i++) { -#ifdef MMC_DEBUG - printf("mmc_read_sector: addr=%lu, buffer=%p\n", addr, p); -#endif - (void)mmc_read_sector(addr, p); - rc++; - addr++; - p += hw_sect_size; - } - - return rc; -} - -/*----------------------------------------------------------------------------- - * Read hardware paramterers (sector size, size, number of sectors) - */ -static int mmc_hw_get_parameters(void) -{ - unsigned char csddata[16]; - unsigned int sizemult; - unsigned int size; - - mmc_read_csd(csddata); - hw_sect_size = 1<<(csddata[5] & 0x0f); - size = ((csddata[6]&0x03)<<10)+(csddata[7]<<2)+(csddata[8]&0xc0); - sizemult = ((csddata[10] & 0x80)>>7)+((csddata[9] & 0x03)<<1); - hw_nr_sects = (size+1)*(1<<(sizemult+2)); - hw_size = hw_nr_sects*hw_sect_size/1024; - -#ifdef MMC_DEBUG - printf("mmc_hw_get_parameters: hw_sect_size=%d, hw_nr_sects=%d, " - "hw_size=%d\n", hw_sect_size, hw_nr_sects, hw_size); -#endif - - return 0; -} - -int mmc_init(int verbose) -{ - int ret = -ENODEV; - - if (verbose) - printf("mmc_init\n"); - - spi_init(); - mmc_hw_init(); - - mmc_hw_get_parameters(); - - mmc_dev.if_type = IF_TYPE_MMC; - mmc_dev.part_type = PART_TYPE_DOS; - mmc_dev.dev = 0; - mmc_dev.lun = 0; - mmc_dev.type = 0; - mmc_dev.blksz = hw_sect_size; - mmc_dev.lba = hw_nr_sects; - sprintf((char*)mmc_dev.vendor, "Unknown vendor"); - sprintf((char*)mmc_dev.product, "Unknown product"); - sprintf((char*)mmc_dev.revision, "N/A"); - mmc_dev.removable = 0; /* should be true??? */ - mmc_dev.block_read = mmc_block_read; - - fat_register_device(&mmc_dev, 1); - - ret = 0; - - return ret; -} - -int mmc_write(uchar * src, ulong dst, int size) -{ -#ifdef MMC_DEBUG - printf("mmc_write: src=%p, dst=%lu, size=%u\n", src, dst, size); -#endif - /* Since mmc2info always returns 0 this function will never be called */ - return 0; -} - -int mmc_read(ulong src, uchar * dst, int size) -{ -#ifdef MMC_DEBUG - printf("mmc_read: src=%lu, dst=%p, size=%u\n", src, dst, size); -#endif - /* Since mmc2info always returns 0 this function will never be called */ - return 0; -} - -int mmc2info(ulong addr) -{ - /* This function is used by cmd_cp to determine if source or destination - address resides on MMC-card or not. We do not support copy to and from - MMC-card so we always return 0. */ - return 0; -} - -#endif /* CONFIG_MMC */ diff --git a/board/lpc2292sodimm/mmc_hw.c b/board/lpc2292sodimm/mmc_hw.c deleted file mode 100644 index 31f2a7988d..0000000000 --- a/board/lpc2292sodimm/mmc_hw.c +++ /dev/null @@ -1,233 +0,0 @@ -/* - This code was original written by Ulrich Radig and modified by - Embedded Artists AB (www.embeddedartists.com). - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#include -#include -#include -#include "spi.h" - -#define MMC_Enable() PUT32(IO1CLR, 1l << 22) -#define MMC_Disable() PUT32(IO1SET, 1l << 22) -#define mmc_spi_cfg() spi_set_clock(8); spi_set_cfg(0, 1, 0); - -static unsigned char Write_Command_MMC (unsigned char *CMD); -static void MMC_Read_Block(unsigned char *CMD, unsigned char *Buffer, - unsigned short int Bytes); - -/* initialize the hardware */ -int mmc_hw_init(void) -{ - unsigned long a; - unsigned short int Timeout = 0; - unsigned char b; - unsigned char CMD[] = {0x40, 0x00, 0x00, 0x00, 0x00, 0x95}; - - /* set-up GPIO and SPI */ - (*((volatile unsigned long *)PINSEL2)) &= ~(1l << 3); /* clear bit 3 */ - (*((volatile unsigned long *)IO1DIR)) |= (1l << 22); /* set bit 22 (output) */ - - MMC_Disable(); - - spi_lock(); - spi_set_clock(248); - spi_set_cfg(0, 1, 0); - MMC_Enable(); - - /* waste some time */ - for(a=0; a < 20000; a++) - asm("nop"); - - /* Put the MMC/SD-card into SPI-mode */ - for (b = 0; b < 10; b++) /* Sends min 74+ clocks to the MMC/SD-card */ - spi_write(0xff); - - /* Sends command CMD0 to MMC/SD-card */ - while (Write_Command_MMC(CMD) != 1) { - if (Timeout++ > 200) { - MMC_Disable(); - spi_unlock(); - return(1); /* Abort with command 1 (return 1) */ - } - } - /* Sends Command CMD1 an MMC/SD-card */ - Timeout = 0; - CMD[0] = 0x41;/* Command 1 */ - CMD[5] = 0xFF; - - while (Write_Command_MMC(CMD) != 0) { - if (Timeout++ > 200) { - MMC_Disable(); - spi_unlock(); - return (2); /* Abort with command 2 (return 2) */ - } - } - - MMC_Disable(); - spi_unlock(); - - return 0; -} - -/* ############################################################################ - Sends a command to the MMC/SD-card - ######################################################################### */ -static unsigned char Write_Command_MMC (unsigned char *CMD) -{ - unsigned char a, tmp = 0xff; - unsigned short int Timeout = 0; - - MMC_Disable(); - spi_write(0xFF); - MMC_Enable(); - - for (a = 0; a < 0x06; a++) - spi_write(*CMD++); - - while (tmp == 0xff) { - tmp = spi_read(); - if (Timeout++ > 5000) - break; - } - - return (tmp); -} - -/* ############################################################################ - Routine to read the CID register from the MMC/SD-card (16 bytes) - ######################################################################### */ -void MMC_Read_Block(unsigned char *CMD, unsigned char *Buffer, unsigned short - int Bytes) -{ - unsigned short int a; - - spi_lock(); - mmc_spi_cfg(); - MMC_Enable(); - - if (Write_Command_MMC(CMD) != 0) { - MMC_Disable(); - spi_unlock(); - return; - } - - while (spi_read() != 0xfe) {}; - for (a = 0; a < Bytes; a++) - *Buffer++ = spi_read(); - - /* Read the CRC-byte */ - spi_read(); /* CRC - byte is discarded */ - spi_read(); /* CRC - byte is discarded */ - /* set MMC_Chip_Select to high (MMC/SD-card Inaktiv) */ - MMC_Disable(); - spi_unlock(); - - return; -} - -/* ############################################################################ - Routine to read a block (512 bytes) from the MMC/SD-card - ######################################################################### */ -unsigned char mmc_read_sector (unsigned long addr,unsigned char *Buffer) -{ - /* Command 16 to read aBlocks from the MMC/SD - caed */ - unsigned char CMD[] = {0x51,0x00,0x00,0x00,0x00,0xFF}; - - /* The addres on the MMC/SD-card is in bytes, - addr is transformed from blocks to bytes and the result is - placed into the command */ - - addr = addr << 9; /* addr = addr * 512 */ - - CMD[1] = ((addr & 0xFF000000) >> 24); - CMD[2] = ((addr & 0x00FF0000) >> 16); - CMD[3] = ((addr & 0x0000FF00) >> 8 ); - - MMC_Read_Block(CMD, Buffer, 512); - - return (0); -} - -/* ############################################################################ - Routine to write a block (512 byte) to the MMC/SD-card - ######################################################################### */ -unsigned char mmc_write_sector (unsigned long addr,unsigned char *Buffer) -{ - unsigned char tmp, a; - unsigned short int b; - /* Command 24 to write a block to the MMC/SD - card */ - unsigned char CMD[] = {0x58, 0x00, 0x00, 0x00, 0x00, 0xFF}; - - /* The addres on the MMC/SD-card is in bytes, - addr is transformed from blocks to bytes and the result is - placed into the command */ - - addr = addr << 9; /* addr = addr * 512 */ - - CMD[1] = ((addr & 0xFF000000) >> 24); - CMD[2] = ((addr & 0x00FF0000) >> 16); - CMD[3] = ((addr & 0x0000FF00) >> 8 ); - - spi_lock(); - mmc_spi_cfg(); - MMC_Enable(); - - /* Send command CMD24 to the MMC/SD-card (Write 1 Block/512 Bytes) */ - tmp = Write_Command_MMC(CMD); - if (tmp != 0) { - MMC_Disable(); - spi_unlock(); - return(tmp); - } - - /* Do a short delay and send a clock-pulse to the MMC/SD-card */ - for (a = 0; a < 100; a++) - spi_read(); - - /* Send a start byte to the MMC/SD-card */ - spi_write(0xFE); - - /* Write the block (512 bytes) to the MMC/SD-card */ - for (b = 0; b < 512; b++) - spi_write(*Buffer++); - - /* write the CRC-Byte */ - spi_write(0xFF); /* write a dummy CRC */ - spi_write(0xFF); /* CRC code is not used */ - - /* Wait for MMC/SD-card busy */ - while (spi_read() != 0xff) {}; - - /* set MMC_Chip_Select to high (MMC/SD-card inactive) */ - MMC_Disable(); - spi_unlock(); - return (0); -} - -/* ######################################################################### - Routine to read the CSD register from the MMC/SD-card (16 bytes) - ######################################################################### */ -unsigned char mmc_read_csd (unsigned char *Buffer) -{ - /* Command to read the CSD register */ - unsigned char CMD[] = {0x49, 0x00, 0x00, 0x00, 0x00, 0xFF}; - - MMC_Read_Block(CMD, Buffer, 16); - - return (0); -} diff --git a/board/lpc2292sodimm/mmc_hw.h b/board/lpc2292sodimm/mmc_hw.h deleted file mode 100644 index 3687dbf696..0000000000 --- a/board/lpc2292sodimm/mmc_hw.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - This module implements a linux character device driver for the 24c256 chip. - Copyright (C) 2006 Embedded Artists AB (www.embeddedartists.com) - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#ifndef _MMC_HW_ -#define _MMC_HW_ - -unsigned char mmc_read_csd(unsigned char *Buffer); -unsigned char mmc_read_sector (unsigned long addr, - unsigned char *Buffer); -unsigned char mmc_write_sector (unsigned long addr,unsigned char *Buffer); -int mmc_hw_init(void); - -#endif /* _MMC_HW_ */ diff --git a/board/lpc2292sodimm/spi.c b/board/lpc2292sodimm/spi.c deleted file mode 100644 index 4ba1468f39..0000000000 --- a/board/lpc2292sodimm/spi.c +++ /dev/null @@ -1,40 +0,0 @@ -/* - This module implements an interface to the SPI on the lpc22xx. - Copyright (C) 2006 Embedded Artists AB (www.embeddedartists.com) - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#include -#include -#include -#include -#include "spi.h" - -unsigned long spi_flags; -unsigned char spi_idle = 0x00; - -int spi_init(void) -{ - unsigned long pinsel0_value; - - /* activate spi pins */ - pinsel0_value = GET32(PINSEL0); - pinsel0_value &= ~(0xFFl << 8); - pinsel0_value |= (0x55l << 8); - PUT32(PINSEL0, pinsel0_value); - - return 0; -} diff --git a/board/lpc2292sodimm/spi.h b/board/lpc2292sodimm/spi.h deleted file mode 100644 index 6ae66e8ba7..0000000000 --- a/board/lpc2292sodimm/spi.h +++ /dev/null @@ -1,82 +0,0 @@ -/* - This file defines the interface to the lpc22xx SPI module. - Copyright (C) 2006 Embedded Artists AB (www.embeddedartists.com) - - This file may be included in software not adhering to the GPL. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#ifndef SPI_H -#define SPI_H - -#include -#include -#include -#include - -#define SPIF 0x80 - -#define spi_lock() disable_interrupts(); -#define spi_unlock() enable_interrupts(); - -extern unsigned long spi_flags; -extern unsigned char spi_idle; - -int spi_init(void); - -static inline unsigned char spi_read(void) -{ - unsigned char b; - - PUT8(S0SPDR, spi_idle); - while (!(GET8(S0SPSR) & SPIF)); - b = GET8(S0SPDR); - - return b; -} - -static inline void spi_write(unsigned char b) -{ - PUT8(S0SPDR, b); - while (!(GET8(S0SPSR) & SPIF)); - GET8(S0SPDR); /* this will clear the SPIF bit */ -} - -static inline void spi_set_clock(unsigned char clk_value) -{ - PUT8(S0SPCCR, clk_value); -} - -static inline void spi_set_cfg(unsigned char phase, - unsigned char polarity, - unsigned char lsbf) -{ - unsigned char v = 0x20; /* master bit set */ - - if (phase) - v |= 0x08; /* set phase bit */ - if (polarity) { - v |= 0x10; /* set polarity bit */ - spi_idle = 0xFF; - } else { - spi_idle = 0x00; - } - if (lsbf) - v |= 0x40; /* set lsbf bit */ - - PUT8(S0SPCR, v); -} -#endif /* SPI_H */ diff --git a/include/asm-arm/arch-arm720t/lpc2292_registers.h b/include/asm-arm/arch-arm720t/lpc2292_registers.h deleted file mode 100644 index 5715f3ef74..0000000000 --- a/include/asm-arm/arch-arm720t/lpc2292_registers.h +++ /dev/null @@ -1,225 +0,0 @@ -#ifndef __LPC2292_REGISTERS_H -#define __LPC2292_REGISTERS_H - -#include - -/* Macros for reading/writing registers */ -#define PUT8(reg, value) (*(volatile unsigned char*)(reg) = (value)) -#define PUT16(reg, value) (*(volatile unsigned short*)(reg) = (value)) -#define PUT32(reg, value) (*(volatile unsigned int*)(reg) = (value)) -#define GET8(reg) (*(volatile unsigned char*)(reg)) -#define GET16(reg) (*(volatile unsigned short*)(reg)) -#define GET32(reg) (*(volatile unsigned int*)(reg)) - -/* External Memory Controller */ - -#define BCFG0 0xFFE00000 /* 32-bits */ -#define BCFG1 0xFFE00004 /* 32-bits */ -#define BCFG2 0xFFE00008 /* 32-bits */ -#define BCFG3 0xFFE0000c /* 32-bits */ - -/* System Control Block */ - -#define EXTINT 0xE01FC140 -#define EXTWAKE 0xE01FC144 -#define EXTMODE 0xE01FC148 -#define EXTPOLAR 0xE01FC14C -#define MEMMAP 0xE01FC040 -#define PLLCON 0xE01FC080 -#define PLLCFG 0xE01FC084 -#define PLLSTAT 0xE01FC088 -#define PLLFEED 0xE01FC08C -#define PCON 0xE01FC0C0 -#define PCONP 0xE01FC0C4 -#define VPBDIV 0xE01FC100 - -/* Memory Acceleration Module */ - -#define MAMCR 0xE01FC000 -#define MAMTIM 0xE01FC004 - -/* Vectored Interrupt Controller */ - -#define VICIRQStatus 0xFFFFF000 -#define VICFIQStatus 0xFFFFF004 -#define VICRawIntr 0xFFFFF008 -#define VICIntSelect 0xFFFFF00C -#define VICIntEnable 0xFFFFF010 -#define VICIntEnClr 0xFFFFF014 -#define VICSoftInt 0xFFFFF018 -#define VICSoftIntClear 0xFFFFF01C -#define VICProtection 0xFFFFF020 -#define VICVectAddr 0xFFFFF030 -#define VICDefVectAddr 0xFFFFF034 -#define VICVectAddr0 0xFFFFF100 -#define VICVectAddr1 0xFFFFF104 -#define VICVectAddr2 0xFFFFF108 -#define VICVectAddr3 0xFFFFF10C -#define VICVectAddr4 0xFFFFF110 -#define VICVectAddr5 0xFFFFF114 -#define VICVectAddr6 0xFFFFF118 -#define VICVectAddr7 0xFFFFF11C -#define VICVectAddr8 0xFFFFF120 -#define VICVectAddr9 0xFFFFF124 -#define VICVectAddr10 0xFFFFF128 -#define VICVectAddr11 0xFFFFF12C -#define VICVectAddr12 0xFFFFF130 -#define VICVectAddr13 0xFFFFF134 -#define VICVectAddr14 0xFFFFF138 -#define VICVectAddr15 0xFFFFF13C -#define VICVectCntl0 0xFFFFF200 -#define VICVectCntl1 0xFFFFF204 -#define VICVectCntl2 0xFFFFF208 -#define VICVectCntl3 0xFFFFF20C -#define VICVectCntl4 0xFFFFF210 -#define VICVectCntl5 0xFFFFF214 -#define VICVectCntl6 0xFFFFF218 -#define VICVectCntl7 0xFFFFF21C -#define VICVectCntl8 0xFFFFF220 -#define VICVectCntl9 0xFFFFF224 -#define VICVectCntl10 0xFFFFF228 -#define VICVectCntl11 0xFFFFF22C -#define VICVectCntl12 0xFFFFF230 -#define VICVectCntl13 0xFFFFF234 -#define VICVectCntl14 0xFFFFF238 -#define VICVectCntl15 0xFFFFF23C - -/* Pin connect block */ - -#define PINSEL0 0xE002C000 /* 32 bits */ -#define PINSEL1 0xE002C004 /* 32 bits */ -#define PINSEL2 0xE002C014 /* 32 bits */ - -/* GPIO */ - -#define IO0PIN 0xE0028000 -#define IO0SET 0xE0028004 -#define IO0DIR 0xE0028008 -#define IO0CLR 0xE002800C -#define IO1PIN 0xE0028010 -#define IO1SET 0xE0028014 -#define IO1DIR 0xE0028018 -#define IO1CLR 0xE002801C -#define IO2PIN 0xE0028020 -#define IO2SET 0xE0028024 -#define IO2DIR 0xE0028028 -#define IO2CLR 0xE002802C -#define IO3PIN 0xE0028030 -#define IO3SET 0xE0028034 -#define IO3DIR 0xE0028038 -#define IO3CLR 0xE002803C - -/* Uarts */ - -#define U0RBR 0xE000C000 -#define U0THR 0xE000C000 -#define U0IER 0xE000C004 -#define U0IIR 0xE000C008 -#define U0FCR 0xE000C008 -#define U0LCR 0xE000C00C -#define U0LSR 0xE000C014 -#define U0SCR 0xE000C01C -#define U0DLL 0xE000C000 -#define U0DLM 0xE000C004 - -#define U1RBR 0xE0010000 -#define U1THR 0xE0010000 -#define U1IER 0xE0010004 -#define U1IIR 0xE0010008 -#define U1FCR 0xE0010008 -#define U1LCR 0xE001000C -#define U1MCR 0xE0010010 -#define U1LSR 0xE0010014 -#define U1MSR 0xE0010018 -#define U1SCR 0xE001001C -#define U1DLL 0xE0010000 -#define U1DLM 0xE0010004 - -/* I2C */ - -#define I2CONSET 0xE001C000 -#define I2STAT 0xE001C004 -#define I2DAT 0xE001C008 -#define I2ADR 0xE001C00C -#define I2SCLH 0xE001C010 -#define I2SCLL 0xE001C014 -#define I2CONCLR 0xE001C018 - -/* SPI */ - -#define S0SPCR 0xE0020000 -#define S0SPSR 0xE0020004 -#define S0SPDR 0xE0020008 -#define S0SPCCR 0xE002000C -#define S0SPINT 0xE002001C - -#define S1SPCR 0xE0030000 -#define S1SPSR 0xE0030004 -#define S1SPDR 0xE0030008 -#define S1SPCCR 0xE003000C -#define S1SPINT 0xE003001C - -/* CAN controller */ - -/* skip for now */ - -/* Timers */ - -#define T0IR 0xE0004000 -#define T0TCR 0xE0004004 -#define T0TC 0xE0004008 -#define T0PR 0xE000400C -#define T0PC 0xE0004010 -#define T0MCR 0xE0004014 -#define T0MR0 0xE0004018 -#define T0MR1 0xE000401C -#define T0MR2 0xE0004020 -#define T0MR3 0xE0004024 -#define T0CCR 0xE0004028 -#define T0CR0 0xE000402C -#define T0CR1 0xE0004030 -#define T0CR2 0xE0004034 -#define T0CR3 0xE0004038 -#define T0EMR 0xE000403C - -#define T1IR 0xE0008000 -#define T1TCR 0xE0008004 -#define T1TC 0xE0008008 -#define T1PR 0xE000800C -#define T1PC 0xE0008010 -#define T1MCR 0xE0008014 -#define T1MR0 0xE0008018 -#define T1MR1 0xE000801C -#define T1MR2 0xE0008020 -#define T1MR3 0xE0008024 -#define T1CCR 0xE0008028 -#define T1CR0 0xE000802C -#define T1CR1 0xE0008030 -#define T1CR2 0xE0008034 -#define T1CR3 0xE0008038 -#define T1EMR 0xE000803C - -/* PWM */ - -/* skip for now */ - -/* A/D converter */ - -/* skip for now */ - -/* Real Time Clock */ - -/* skip for now */ - -/* Watchdog */ - -#define WDMOD 0xE0000000 -#define WDTC 0xE0000004 -#define WDFEED 0xE0000008 -#define WDTV 0xE000000C - -/* EmbeddedICE LOGIC */ - -/* skip for now */ - -#endif diff --git a/include/asm-arm/arch-arm720t/mmc.h b/include/asm-arm/arch-arm720t/mmc.h deleted file mode 100644 index e664a5f678..0000000000 --- a/include/asm-arm/arch-arm720t/mmc.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * A dummy header file for use with the LPC2292 port to keep the - * compiler happy. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ -#ifndef _MMC_ARM_TDM_H_ -#define _MMC_ARM_TDM_H_ -#endif /* _MMC_ARM_TDM_H_ */ -- cgit v1.2.3 From 160131bf965785419626df6c388729fe0b597992 Mon Sep 17 00:00:00 2001 From: Peter Pearse Date: Wed, 9 May 2007 11:41:58 +0100 Subject: Add the files for the SMN42 board --- cpu/arm720t/lpc2292/Makefile | 50 ++ cpu/arm720t/lpc2292/flash.c | 249 ++++++ cpu/arm720t/lpc2292/iap_entry.S | 7 + cpu/arm720t/lpc2292/mmc.c | 157 ++++ cpu/arm720t/lpc2292/mmc_hw.c | 233 ++++++ cpu/arm720t/lpc2292/mmc_hw.h | 29 + cpu/arm720t/lpc2292/spi.c | 40 + drivers/enc28j60.c | 978 +++++++++++++++++++++++ include/asm-arm/arch-lpc2292/hardware.h | 33 + include/asm-arm/arch-lpc2292/lpc2292_registers.h | 225 ++++++ include/asm-arm/arch-lpc2292/mmc.h | 22 + include/asm-arm/arch-lpc2292/spi.h | 82 ++ include/configs/SMN42.h | 198 +++++ 13 files changed, 2303 insertions(+) create mode 100644 cpu/arm720t/lpc2292/Makefile create mode 100644 cpu/arm720t/lpc2292/flash.c create mode 100644 cpu/arm720t/lpc2292/iap_entry.S create mode 100644 cpu/arm720t/lpc2292/mmc.c create mode 100644 cpu/arm720t/lpc2292/mmc_hw.c create mode 100644 cpu/arm720t/lpc2292/mmc_hw.h create mode 100644 cpu/arm720t/lpc2292/spi.c create mode 100644 drivers/enc28j60.c create mode 100644 include/asm-arm/arch-lpc2292/hardware.h create mode 100644 include/asm-arm/arch-lpc2292/lpc2292_registers.h create mode 100644 include/asm-arm/arch-lpc2292/mmc.h create mode 100644 include/asm-arm/arch-lpc2292/spi.h create mode 100644 include/configs/SMN42.h (limited to 'include') diff --git a/cpu/arm720t/lpc2292/Makefile b/cpu/arm720t/lpc2292/Makefile new file mode 100644 index 0000000000..240f1e3b3b --- /dev/null +++ b/cpu/arm720t/lpc2292/Makefile @@ -0,0 +1,50 @@ +# +# (C) Copyright 2000-2007 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(SOC).a + +COBJS = flash.o mmc.o mmc_hw.o spi.o +SOBJS = $(obj)iap_entry.o + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +# this MUST be compiled as thumb code! +$(SOBJS): + $(CC) $(AFLAGS) -march=armv4t -c -o $(SOBJS) iap_entry.S + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/cpu/arm720t/lpc2292/flash.c b/cpu/arm720t/lpc2292/flash.c new file mode 100644 index 0000000000..e5c869722d --- /dev/null +++ b/cpu/arm720t/lpc2292/flash.c @@ -0,0 +1,249 @@ +/* + * (C) Copyright 2006 Embedded Artists AB + * + * Modified to remove all but the IAP-command related code by + * Gary Jennejohn + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include + +/* IAP commands use 32 bytes at the top of CPU internal sram, we + use 512 bytes below that */ +#define COPY_BUFFER_LOCATION 0x40003de0 + +#define IAP_LOCATION 0x7ffffff1 +#define IAP_CMD_PREPARE 50 +#define IAP_CMD_COPY 51 +#define IAP_CMD_ERASE 52 +#define IAP_CMD_CHECK 53 +#define IAP_CMD_ID 54 +#define IAP_CMD_VERSION 55 +#define IAP_CMD_COMPARE 56 + +#define IAP_RET_CMD_SUCCESS 0 + +static unsigned long command[5]; +static unsigned long result[2]; + +extern void iap_entry(unsigned long * command, unsigned long * result); + +/*----------------------------------------------------------------------- + * + */ +static int get_flash_sector(flash_info_t * info, ulong flash_addr) +{ + int i; + + for(i = 1; i < (info->sector_count); i++) { + if (flash_addr < (info->start[i])) + break; + } + + return (i-1); +} + +/*----------------------------------------------------------------------- + * This function assumes that flash_addr is aligned on 512 bytes boundary + * in flash. This function also assumes that prepare have been called + * for the sector in question. + */ +int lpc2292_copy_buffer_to_flash(flash_info_t * info, ulong flash_addr) +{ + int first_sector; + int last_sector; + + first_sector = get_flash_sector(info, flash_addr); + last_sector = get_flash_sector(info, flash_addr + 512 - 1); + + /* prepare sectors for write */ + command[0] = IAP_CMD_PREPARE; + command[1] = first_sector; + command[2] = last_sector; + iap_entry(command, result); + if (result[0] != IAP_RET_CMD_SUCCESS) { + printf("IAP prepare failed\n"); + return ERR_PROG_ERROR; + } + + command[0] = IAP_CMD_COPY; + command[1] = flash_addr; + command[2] = COPY_BUFFER_LOCATION; + command[3] = 512; + command[4] = CFG_SYS_CLK_FREQ >> 10; + iap_entry(command, result); + if (result[0] != IAP_RET_CMD_SUCCESS) { + printf("IAP copy failed\n"); + return 1; + } + + return 0; +} + +/*----------------------------------------------------------------------- + */ + +int lpc2292_flash_erase (flash_info_t * info, int s_first, int s_last) +{ + int flag; + int prot; + int sect; + + prot = 0; + for (sect = s_first; sect <= s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + if (prot) + return ERR_PROTECTED; + + + flag = disable_interrupts(); + + printf ("Erasing %d sectors starting at sector %2d.\n" + "This make take some time ... ", + s_last - s_first + 1, s_first); + + command[0] = IAP_CMD_PREPARE; + command[1] = s_first; + command[2] = s_last; + iap_entry(command, result); + if (result[0] != IAP_RET_CMD_SUCCESS) { + printf("IAP prepare failed\n"); + return ERR_PROTECTED; + } + + command[0] = IAP_CMD_ERASE; + command[1] = s_first; + command[2] = s_last; + command[3] = CFG_SYS_CLK_FREQ >> 10; + iap_entry(command, result); + if (result[0] != IAP_RET_CMD_SUCCESS) { + printf("IAP erase failed\n"); + return ERR_PROTECTED; + } + + if (flag) + enable_interrupts(); + + return ERR_OK; +} + +int lpc2292_write_buff (flash_info_t * info, uchar * src, ulong addr, + ulong cnt) +{ + int first_copy_size; + int last_copy_size; + int first_block; + int last_block; + int nbr_mid_blocks; + uchar memmap_value; + ulong i; + uchar* src_org; + uchar* dst_org; + int ret = ERR_OK; + + src_org = src; + dst_org = (uchar*)addr; + + first_block = addr / 512; + last_block = (addr + cnt) / 512; + nbr_mid_blocks = last_block - first_block - 1; + + first_copy_size = 512 - (addr % 512); + last_copy_size = (addr + cnt) % 512; + + debug("\ncopy first block: (1) %lX -> %lX 0x200 bytes, " + "(2) %lX -> %lX 0x%X bytes, (3) %lX -> %lX 0x200 bytes\n", + (ulong)(first_block * 512), + (ulong)COPY_BUFFER_LOCATION, + (ulong)src, + (ulong)(COPY_BUFFER_LOCATION + 512 - first_copy_size), + first_copy_size, + (ulong)COPY_BUFFER_LOCATION, + (ulong)(first_block * 512)); + + /* copy first block */ + memcpy((void*)COPY_BUFFER_LOCATION, + (void*)(first_block * 512), 512); + memcpy((void*)(COPY_BUFFER_LOCATION + 512 - first_copy_size), + src, first_copy_size); + lpc2292_copy_buffer_to_flash(info, first_block * 512); + src += first_copy_size; + addr += first_copy_size; + + /* copy middle blocks */ + for (i = 0; i < nbr_mid_blocks; i++) { + debug("copy middle block: %lX -> %lX 512 bytes, " + "%lX -> %lX 512 bytes\n", + (ulong)src, + (ulong)COPY_BUFFER_LOCATION, + (ulong)COPY_BUFFER_LOCATION, + (ulong)addr); + + memcpy((void*)COPY_BUFFER_LOCATION, src, 512); + lpc2292_copy_buffer_to_flash(info, addr); + src += 512; + addr += 512; + } + + + if (last_copy_size > 0) { + debug("copy last block: (1) %lX -> %lX 0x200 bytes, " + "(2) %lX -> %lX 0x%X bytes, (3) %lX -> %lX x200 bytes\n", + (ulong)(last_block * 512), + (ulong)COPY_BUFFER_LOCATION, + (ulong)src, + (ulong)(COPY_BUFFER_LOCATION), + last_copy_size, + (ulong)COPY_BUFFER_LOCATION, + (ulong)addr); + + /* copy last block */ + memcpy((void*)COPY_BUFFER_LOCATION, + (void*)(last_block * 512), 512); + memcpy((void*)COPY_BUFFER_LOCATION, + src, last_copy_size); + lpc2292_copy_buffer_to_flash(info, addr); + } + + /* verify write */ + memmap_value = GET8(MEMMAP); + + disable_interrupts(); + + PUT8(MEMMAP, 01); /* we must make sure that initial 64 + bytes are taken from flash when we + do the compare */ + + for (i = 0; i < cnt; i++) { + if (*dst_org != *src_org){ + printf("Write failed. Byte %lX differs\n", i); + ret = ERR_PROG_ERROR; + break; + } + dst_org++; + src_org++; + } + + PUT8(MEMMAP, memmap_value); + enable_interrupts(); + + return ret; +} diff --git a/cpu/arm720t/lpc2292/iap_entry.S b/cpu/arm720t/lpc2292/iap_entry.S new file mode 100644 index 0000000000..c31d5190bd --- /dev/null +++ b/cpu/arm720t/lpc2292/iap_entry.S @@ -0,0 +1,7 @@ +IAP_ADDRESS: .word 0x7FFFFFF1 + +.globl iap_entry +iap_entry: + ldr r2, IAP_ADDRESS + bx r2 + mov pc, lr diff --git a/cpu/arm720t/lpc2292/mmc.c b/cpu/arm720t/lpc2292/mmc.c new file mode 100644 index 0000000000..fd7f149b66 --- /dev/null +++ b/cpu/arm720t/lpc2292/mmc.c @@ -0,0 +1,157 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include "mmc_hw.h" +#include + +#ifdef CONFIG_MMC + +#undef MMC_DEBUG + +static block_dev_desc_t mmc_dev; + +/* these are filled out by a call to mmc_hw_get_parameters */ +static int hw_size; /* in kbytes */ +static int hw_nr_sects; +static int hw_sect_size; /* in bytes */ + +block_dev_desc_t * mmc_get_dev(int dev) +{ + return (block_dev_desc_t *)(&mmc_dev); +} + +unsigned long mmc_block_read(int dev, + unsigned long start, + lbaint_t blkcnt, + void *buffer) +{ + unsigned long rc = 0; + unsigned char *p = (unsigned char *)buffer; + unsigned long i; + unsigned long addr = start; + +#ifdef MMC_DEBUG + printf("mmc_block_read: start=%lu, blkcnt=%lu\n", start, + (unsigned long)blkcnt); +#endif + + for(i = 0; i < (unsigned long)blkcnt; i++) { +#ifdef MMC_DEBUG + printf("mmc_read_sector: addr=%lu, buffer=%p\n", addr, p); +#endif + (void)mmc_read_sector(addr, p); + rc++; + addr++; + p += hw_sect_size; + } + + return rc; +} + +/*----------------------------------------------------------------------------- + * Read hardware paramterers (sector size, size, number of sectors) + */ +static int mmc_hw_get_parameters(void) +{ + unsigned char csddata[16]; + unsigned int sizemult; + unsigned int size; + + mmc_read_csd(csddata); + hw_sect_size = 1<<(csddata[5] & 0x0f); + size = ((csddata[6]&0x03)<<10)+(csddata[7]<<2)+(csddata[8]&0xc0); + sizemult = ((csddata[10] & 0x80)>>7)+((csddata[9] & 0x03)<<1); + hw_nr_sects = (size+1)*(1<<(sizemult+2)); + hw_size = hw_nr_sects*hw_sect_size/1024; + +#ifdef MMC_DEBUG + printf("mmc_hw_get_parameters: hw_sect_size=%d, hw_nr_sects=%d, " + "hw_size=%d\n", hw_sect_size, hw_nr_sects, hw_size); +#endif + + return 0; +} + +int mmc_init(int verbose) +{ + int ret = -ENODEV; + + if (verbose) + printf("mmc_init\n"); + + spi_init(); + /* this meeds to be done twice */ + mmc_hw_init(); + udelay(1000); + mmc_hw_init(); + + mmc_hw_get_parameters(); + + mmc_dev.if_type = IF_TYPE_MMC; + mmc_dev.part_type = PART_TYPE_DOS; + mmc_dev.dev = 0; + mmc_dev.lun = 0; + mmc_dev.type = 0; + mmc_dev.blksz = hw_sect_size; + mmc_dev.lba = hw_nr_sects; + sprintf((char*)mmc_dev.vendor, "Unknown vendor"); + sprintf((char*)mmc_dev.product, "Unknown product"); + sprintf((char*)mmc_dev.revision, "N/A"); + mmc_dev.removable = 0; /* should be true??? */ + mmc_dev.block_read = mmc_block_read; + + fat_register_device(&mmc_dev, 1); + + ret = 0; + + return ret; +} + +int mmc_write(uchar * src, ulong dst, int size) +{ +#ifdef MMC_DEBUG + printf("mmc_write: src=%p, dst=%lu, size=%u\n", src, dst, size); +#endif + /* Since mmc2info always returns 0 this function will never be called */ + return 0; +} + +int mmc_read(ulong src, uchar * dst, int size) +{ +#ifdef MMC_DEBUG + printf("mmc_read: src=%lu, dst=%p, size=%u\n", src, dst, size); +#endif + /* Since mmc2info always returns 0 this function will never be called */ + return 0; +} + +int mmc2info(ulong addr) +{ + /* This function is used by cmd_cp to determine if source or destination + address resides on MMC-card or not. We do not support copy to and from + MMC-card so we always return 0. */ + return 0; +} + +#endif /* CONFIG_MMC */ diff --git a/cpu/arm720t/lpc2292/mmc_hw.c b/cpu/arm720t/lpc2292/mmc_hw.c new file mode 100644 index 0000000000..b4dc4a6e2f --- /dev/null +++ b/cpu/arm720t/lpc2292/mmc_hw.c @@ -0,0 +1,233 @@ +/* + This code was original written by Ulrich Radig and modified by + Embedded Artists AB (www.embeddedartists.com). + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include +#include +#include +#include + +#define MMC_Enable() PUT32(IO1CLR, 1l << 22) +#define MMC_Disable() PUT32(IO1SET, 1l << 22) +#define mmc_spi_cfg() spi_set_clock(8); spi_set_cfg(0, 1, 0); + +static unsigned char Write_Command_MMC (unsigned char *CMD); +static void MMC_Read_Block(unsigned char *CMD, unsigned char *Buffer, + unsigned short int Bytes); + +/* initialize the hardware */ +int mmc_hw_init(void) +{ + unsigned long a; + unsigned short int Timeout = 0; + unsigned char b; + unsigned char CMD[] = {0x40, 0x00, 0x00, 0x00, 0x00, 0x95}; + + /* set-up GPIO and SPI */ + (*((volatile unsigned long *)PINSEL2)) &= ~(1l << 3); /* clear bit 3 */ + (*((volatile unsigned long *)IO1DIR)) |= (1l << 22); /* set bit 22 (output) */ + + MMC_Disable(); + + spi_lock(); + spi_set_clock(248); + spi_set_cfg(0, 1, 0); + MMC_Enable(); + + /* waste some time */ + for(a=0; a < 20000; a++) + asm("nop"); + + /* Put the MMC/SD-card into SPI-mode */ + for (b = 0; b < 10; b++) /* Sends min 74+ clocks to the MMC/SD-card */ + spi_write(0xff); + + /* Sends command CMD0 to MMC/SD-card */ + while (Write_Command_MMC(CMD) != 1) { + if (Timeout++ > 200) { + MMC_Disable(); + spi_unlock(); + return(1); /* Abort with command 1 (return 1) */ + } + } + /* Sends Command CMD1 an MMC/SD-card */ + Timeout = 0; + CMD[0] = 0x41;/* Command 1 */ + CMD[5] = 0xFF; + + while (Write_Command_MMC(CMD) != 0) { + if (Timeout++ > 200) { + MMC_Disable(); + spi_unlock(); + return (2); /* Abort with command 2 (return 2) */ + } + } + + MMC_Disable(); + spi_unlock(); + + return 0; +} + +/* ############################################################################ + Sends a command to the MMC/SD-card + ######################################################################### */ +static unsigned char Write_Command_MMC (unsigned char *CMD) +{ + unsigned char a, tmp = 0xff; + unsigned short int Timeout = 0; + + MMC_Disable(); + spi_write(0xFF); + MMC_Enable(); + + for (a = 0; a < 0x06; a++) + spi_write(*CMD++); + + while (tmp == 0xff) { + tmp = spi_read(); + if (Timeout++ > 5000) + break; + } + + return (tmp); +} + +/* ############################################################################ + Routine to read the CID register from the MMC/SD-card (16 bytes) + ######################################################################### */ +void MMC_Read_Block(unsigned char *CMD, unsigned char *Buffer, unsigned short + int Bytes) +{ + unsigned short int a; + + spi_lock(); + mmc_spi_cfg(); + MMC_Enable(); + + if (Write_Command_MMC(CMD) != 0) { + MMC_Disable(); + spi_unlock(); + return; + } + + while (spi_read() != 0xfe) {}; + for (a = 0; a < Bytes; a++) + *Buffer++ = spi_read(); + + /* Read the CRC-byte */ + spi_read(); /* CRC - byte is discarded */ + spi_read(); /* CRC - byte is discarded */ + /* set MMC_Chip_Select to high (MMC/SD-card Inaktiv) */ + MMC_Disable(); + spi_unlock(); + + return; +} + +/* ############################################################################ + Routine to read a block (512 bytes) from the MMC/SD-card + ######################################################################### */ +unsigned char mmc_read_sector (unsigned long addr,unsigned char *Buffer) +{ + /* Command 16 to read aBlocks from the MMC/SD - caed */ + unsigned char CMD[] = {0x51,0x00,0x00,0x00,0x00,0xFF}; + + /* The addres on the MMC/SD-card is in bytes, + addr is transformed from blocks to bytes and the result is + placed into the command */ + + addr = addr << 9; /* addr = addr * 512 */ + + CMD[1] = ((addr & 0xFF000000) >> 24); + CMD[2] = ((addr & 0x00FF0000) >> 16); + CMD[3] = ((addr & 0x0000FF00) >> 8 ); + + MMC_Read_Block(CMD, Buffer, 512); + + return (0); +} + +/* ############################################################################ + Routine to write a block (512 byte) to the MMC/SD-card + ######################################################################### */ +unsigned char mmc_write_sector (unsigned long addr,unsigned char *Buffer) +{ + unsigned char tmp, a; + unsigned short int b; + /* Command 24 to write a block to the MMC/SD - card */ + unsigned char CMD[] = {0x58, 0x00, 0x00, 0x00, 0x00, 0xFF}; + + /* The addres on the MMC/SD-card is in bytes, + addr is transformed from blocks to bytes and the result is + placed into the command */ + + addr = addr << 9; /* addr = addr * 512 */ + + CMD[1] = ((addr & 0xFF000000) >> 24); + CMD[2] = ((addr & 0x00FF0000) >> 16); + CMD[3] = ((addr & 0x0000FF00) >> 8 ); + + spi_lock(); + mmc_spi_cfg(); + MMC_Enable(); + + /* Send command CMD24 to the MMC/SD-card (Write 1 Block/512 Bytes) */ + tmp = Write_Command_MMC(CMD); + if (tmp != 0) { + MMC_Disable(); + spi_unlock(); + return(tmp); + } + + /* Do a short delay and send a clock-pulse to the MMC/SD-card */ + for (a = 0; a < 100; a++) + spi_read(); + + /* Send a start byte to the MMC/SD-card */ + spi_write(0xFE); + + /* Write the block (512 bytes) to the MMC/SD-card */ + for (b = 0; b < 512; b++) + spi_write(*Buffer++); + + /* write the CRC-Byte */ + spi_write(0xFF); /* write a dummy CRC */ + spi_write(0xFF); /* CRC code is not used */ + + /* Wait for MMC/SD-card busy */ + while (spi_read() != 0xff) {}; + + /* set MMC_Chip_Select to high (MMC/SD-card inactive) */ + MMC_Disable(); + spi_unlock(); + return (0); +} + +/* ######################################################################### + Routine to read the CSD register from the MMC/SD-card (16 bytes) + ######################################################################### */ +unsigned char mmc_read_csd (unsigned char *Buffer) +{ + /* Command to read the CSD register */ + unsigned char CMD[] = {0x49, 0x00, 0x00, 0x00, 0x00, 0xFF}; + + MMC_Read_Block(CMD, Buffer, 16); + + return (0); +} diff --git a/cpu/arm720t/lpc2292/mmc_hw.h b/cpu/arm720t/lpc2292/mmc_hw.h new file mode 100644 index 0000000000..3687dbf696 --- /dev/null +++ b/cpu/arm720t/lpc2292/mmc_hw.h @@ -0,0 +1,29 @@ +/* + This module implements a linux character device driver for the 24c256 chip. + Copyright (C) 2006 Embedded Artists AB (www.embeddedartists.com) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#ifndef _MMC_HW_ +#define _MMC_HW_ + +unsigned char mmc_read_csd(unsigned char *Buffer); +unsigned char mmc_read_sector (unsigned long addr, + unsigned char *Buffer); +unsigned char mmc_write_sector (unsigned long addr,unsigned char *Buffer); +int mmc_hw_init(void); + +#endif /* _MMC_HW_ */ diff --git a/cpu/arm720t/lpc2292/spi.c b/cpu/arm720t/lpc2292/spi.c new file mode 100644 index 0000000000..d296bdac68 --- /dev/null +++ b/cpu/arm720t/lpc2292/spi.c @@ -0,0 +1,40 @@ +/* + This module implements an interface to the SPI on the lpc22xx. + Copyright (C) 2006 Embedded Artists AB (www.embeddedartists.com) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include +#include +#include +#include +#include + +unsigned long spi_flags; +unsigned char spi_idle = 0x00; + +int spi_init(void) +{ + unsigned long pinsel0_value; + + /* activate spi pins */ + pinsel0_value = GET32(PINSEL0); + pinsel0_value &= ~(0xFFl << 8); + pinsel0_value |= (0x55l << 8); + PUT32(PINSEL0, pinsel0_value); + + return 0; +} diff --git a/drivers/enc28j60.c b/drivers/enc28j60.c new file mode 100644 index 0000000000..c2ed48573a --- /dev/null +++ b/drivers/enc28j60.c @@ -0,0 +1,978 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#ifdef CONFIG_ENC28J60 +#include +#include +#include + +/* + * Control Registers in Bank 0 + */ + +#define CTL_REG_ERDPTL 0x00 +#define CTL_REG_ERDPTH 0x01 +#define CTL_REG_EWRPTL 0x02 +#define CTL_REG_EWRPTH 0x03 +#define CTL_REG_ETXSTL 0x04 +#define CTL_REG_ETXSTH 0x05 +#define CTL_REG_ETXNDL 0x06 +#define CTL_REG_ETXNDH 0x07 +#define CTL_REG_ERXSTL 0x08 +#define CTL_REG_ERXSTH 0x09 +#define CTL_REG_ERXNDL 0x0A +#define CTL_REG_ERXNDH 0x0B +#define CTL_REG_ERXRDPTL 0x0C +#define CTL_REG_ERXRDPTH 0x0D +#define CTL_REG_ERXWRPTL 0x0E +#define CTL_REG_ERXWRPTH 0x0F +#define CTL_REG_EDMASTL 0x10 +#define CTL_REG_EDMASTH 0x11 +#define CTL_REG_EDMANDL 0x12 +#define CTL_REG_EDMANDH 0x13 +#define CTL_REG_EDMADSTL 0x14 +#define CTL_REG_EDMADSTH 0x15 +#define CTL_REG_EDMACSL 0x16 +#define CTL_REG_EDMACSH 0x17 +/* these are common in all banks */ +#define CTL_REG_EIE 0x1B +#define CTL_REG_EIR 0x1C +#define CTL_REG_ESTAT 0x1D +#define CTL_REG_ECON2 0x1E +#define CTL_REG_ECON1 0x1F + +/* + * Control Registers in Bank 1 + */ + +#define CTL_REG_EHT0 0x00 +#define CTL_REG_EHT1 0x01 +#define CTL_REG_EHT2 0x02 +#define CTL_REG_EHT3 0x03 +#define CTL_REG_EHT4 0x04 +#define CTL_REG_EHT5 0x05 +#define CTL_REG_EHT6 0x06 +#define CTL_REG_EHT7 0x07 +#define CTL_REG_EPMM0 0x08 +#define CTL_REG_EPMM1 0x09 +#define CTL_REG_EPMM2 0x0A +#define CTL_REG_EPMM3 0x0B +#define CTL_REG_EPMM4 0x0C +#define CTL_REG_EPMM5 0x0D +#define CTL_REG_EPMM6 0x0E +#define CTL_REG_EPMM7 0x0F +#define CTL_REG_EPMCSL 0x10 +#define CTL_REG_EPMCSH 0x11 +#define CTL_REG_EPMOL 0x14 +#define CTL_REG_EPMOH 0x15 +#define CTL_REG_EWOLIE 0x16 +#define CTL_REG_EWOLIR 0x17 +#define CTL_REG_ERXFCON 0x18 +#define CTL_REG_EPKTCNT 0x19 + +/* + * Control Registers in Bank 2 + */ + +#define CTL_REG_MACON1 0x00 +#define CTL_REG_MACON2 0x01 +#define CTL_REG_MACON3 0x02 +#define CTL_REG_MACON4 0x03 +#define CTL_REG_MABBIPG 0x04 +#define CTL_REG_MAIPGL 0x06 +#define CTL_REG_MAIPGH 0x07 +#define CTL_REG_MACLCON1 0x08 +#define CTL_REG_MACLCON2 0x09 +#define CTL_REG_MAMXFLL 0x0A +#define CTL_REG_MAMXFLH 0x0B +#define CTL_REG_MAPHSUP 0x0D +#define CTL_REG_MICON 0x11 +#define CTL_REG_MICMD 0x12 +#define CTL_REG_MIREGADR 0x14 +#define CTL_REG_MIWRL 0x16 +#define CTL_REG_MIWRH 0x17 +#define CTL_REG_MIRDL 0x18 +#define CTL_REG_MIRDH 0x19 + +/* + * Control Registers in Bank 3 + */ + +#define CTL_REG_MAADR1 0x00 +#define CTL_REG_MAADR0 0x01 +#define CTL_REG_MAADR3 0x02 +#define CTL_REG_MAADR2 0x03 +#define CTL_REG_MAADR5 0x04 +#define CTL_REG_MAADR4 0x05 +#define CTL_REG_EBSTSD 0x06 +#define CTL_REG_EBSTCON 0x07 +#define CTL_REG_EBSTCSL 0x08 +#define CTL_REG_EBSTCSH 0x09 +#define CTL_REG_MISTAT 0x0A +#define CTL_REG_EREVID 0x12 +#define CTL_REG_ECOCON 0x15 +#define CTL_REG_EFLOCON 0x17 +#define CTL_REG_EPAUSL 0x18 +#define CTL_REG_EPAUSH 0x19 + + +/* + * PHY Register + */ + +#define PHY_REG_PHID1 0x02 +#define PHY_REG_PHID2 0x03 +/* taken from the Linux driver */ +#define PHY_REG_PHCON1 0x00 +#define PHY_REG_PHCON2 0x10 +#define PHY_REG_PHLCON 0x14 + +/* + * Receive Filter Register (ERXFCON) bits + */ + +#define ENC_RFR_UCEN 0x80 +#define ENC_RFR_ANDOR 0x40 +#define ENC_RFR_CRCEN 0x20 +#define ENC_RFR_PMEN 0x10 +#define ENC_RFR_MPEN 0x08 +#define ENC_RFR_HTEN 0x04 +#define ENC_RFR_MCEN 0x02 +#define ENC_RFR_BCEN 0x01 + +/* + * ECON1 Register Bits + */ + +#define ENC_ECON1_TXRST 0x80 +#define ENC_ECON1_RXRST 0x40 +#define ENC_ECON1_DMAST 0x20 +#define ENC_ECON1_CSUMEN 0x10 +#define ENC_ECON1_TXRTS 0x08 +#define ENC_ECON1_RXEN 0x04 +#define ENC_ECON1_BSEL1 0x02 +#define ENC_ECON1_BSEL0 0x01 + +/* + * ECON2 Register Bits + */ +#define ENC_ECON2_AUTOINC 0x80 +#define ENC_ECON2_PKTDEC 0x40 +#define ENC_ECON2_PWRSV 0x20 +#define ENC_ECON2_VRPS 0x08 + +/* + * EIR Register Bits + */ +#define ENC_EIR_PKTIF 0x40 +#define ENC_EIR_DMAIF 0x20 +#define ENC_EIR_LINKIF 0x10 +#define ENC_EIR_TXIF 0x08 +#define ENC_EIR_WOLIF 0x04 +#define ENC_EIR_TXERIF 0x02 +#define ENC_EIR_RXERIF 0x01 + +/* + * ESTAT Register Bits + */ + +#define ENC_ESTAT_INT 0x80 +#define ENC_ESTAT_LATECOL 0x10 +#define ENC_ESTAT_RXBUSY 0x04 +#define ENC_ESTAT_TXABRT 0x02 +#define ENC_ESTAT_CLKRDY 0x01 + +/* + * EIE Register Bits + */ + +#define ENC_EIE_INTIE 0x80 +#define ENC_EIE_PKTIE 0x40 +#define ENC_EIE_DMAIE 0x20 +#define ENC_EIE_LINKIE 0x10 +#define ENC_EIE_TXIE 0x08 +#define ENC_EIE_WOLIE 0x04 +#define ENC_EIE_TXERIE 0x02 +#define ENC_EIE_RXERIE 0x01 + +/* + * MACON1 Register Bits + */ +#define ENC_MACON1_LOOPBK 0x10 +#define ENC_MACON1_TXPAUS 0x08 +#define ENC_MACON1_RXPAUS 0x04 +#define ENC_MACON1_PASSALL 0x02 +#define ENC_MACON1_MARXEN 0x01 + + +/* + * MACON2 Register Bits + */ +#define ENC_MACON2_MARST 0x80 +#define ENC_MACON2_RNDRST 0x40 +#define ENC_MACON2_MARXRST 0x08 +#define ENC_MACON2_RFUNRST 0x04 +#define ENC_MACON2_MATXRST 0x02 +#define ENC_MACON2_TFUNRST 0x01 + +/* + * MACON3 Register Bits + */ +#define ENC_MACON3_PADCFG2 0x80 +#define ENC_MACON3_PADCFG1 0x40 +#define ENC_MACON3_PADCFG0 0x20 +#define ENC_MACON3_TXCRCEN 0x10 +#define ENC_MACON3_PHDRLEN 0x08 +#define ENC_MACON3_HFRMEN 0x04 +#define ENC_MACON3_FRMLNEN 0x02 +#define ENC_MACON3_FULDPX 0x01 + +/* + * MICMD Register Bits + */ +#define ENC_MICMD_MIISCAN 0x02 +#define ENC_MICMD_MIIRD 0x01 + +/* + * MISTAT Register Bits + */ +#define ENC_MISTAT_NVALID 0x04 +#define ENC_MISTAT_SCAN 0x02 +#define ENC_MISTAT_BUSY 0x01 + +/* + * PHID1 and PHID2 values + */ +#define ENC_PHID1_VALUE 0x0083 +#define ENC_PHID2_VALUE 0x1400 +#define ENC_PHID2_MASK 0xFC00 + + +#define ENC_SPI_SLAVE_CS 0x00010000 /* pin P1.16 */ +#define ENC_RESET 0x00020000 /* pin P1.17 */ + +#define FAILSAFE_VALUE 5000 + +/* + * Controller memory layout: + * + * 0x0000 - 0x17ff 6k bytes receive buffer + * 0x1800 - 0x1fff 2k bytes transmit buffer + */ +/* Use the lower memory for receiver buffer. See errata pt. 5 */ +#define ENC_RX_BUF_START 0x0000 +#define ENC_TX_BUF_START 0x1800 +/* taken from the Linux driver */ +#define ENC_RX_BUF_END 0x17ff +#define ENC_TX_BUF_END 0x1fff + +/* maximum frame length */ +#define ENC_MAX_FRM_LEN 1518 + +#define enc_enable() PUT32(IO1CLR, ENC_SPI_SLAVE_CS) +#define enc_disable() PUT32(IO1SET, ENC_SPI_SLAVE_CS) +#define enc_cfg_spi() spi_set_cfg(0, 0, 0); spi_set_clock(8); + + +static unsigned char encReadReg (unsigned char regNo); +static void encWriteReg (unsigned char regNo, unsigned char data); +static void encWriteRegRetry (unsigned char regNo, unsigned char data, int c); +static void encReadBuff (unsigned short length, unsigned char *pBuff); +static void encWriteBuff (unsigned short length, unsigned char *pBuff); +static void encBitSet (unsigned char regNo, unsigned char data); +static void encBitClr (unsigned char regNo, unsigned char data); +static void encReset (void); +static void encInit (unsigned char *pEthAddr); +static unsigned short phyRead (unsigned char addr); +static void phyWrite(unsigned char, unsigned short); +static void encPoll (void); +static void encRx (void); + +#define m_nic_read(reg) encReadReg(reg) +#define m_nic_write(reg, data) encWriteReg(reg, data) +#define m_nic_write_retry(reg, data, count) encWriteRegRetry(reg, data, count) +#define m_nic_read_data(len, buf) encReadBuff((len), (buf)) +#define m_nic_write_data(len, buf) encWriteBuff((len), (buf)) + +/* bit field set */ +#define m_nic_bfs(reg, data) encBitSet(reg, data) + +/* bit field clear */ +#define m_nic_bfc(reg, data) encBitClr(reg, data) + +static unsigned char bank = 0; /* current bank in enc28j60 */ +static unsigned char next_pointer_lsb; +static unsigned char next_pointer_msb; + +static unsigned char buffer[ENC_MAX_FRM_LEN]; +static int rxResetCounter = 0; + +#define RX_RESET_COUNTER 1000; + +/*----------------------------------------------------------------------------- + * Always returns 0 + */ +int eth_init (bd_t * bis) +{ + unsigned char estatVal; + + /* configure GPIO */ + (*((volatile unsigned long *) IO1DIR)) |= ENC_SPI_SLAVE_CS; + (*((volatile unsigned long *) IO1DIR)) |= ENC_RESET; + + /* CS and RESET active low */ + PUT32 (IO1SET, ENC_SPI_SLAVE_CS); + PUT32 (IO1SET, ENC_RESET); + + spi_init (); + + /* taken from the Linux driver - dangerous stuff here! */ + /* Wait for CLKRDY to become set (i.e., check that we can communicate with + the ENC) */ + do + { + estatVal = m_nic_read(CTL_REG_ESTAT); + } while ((estatVal & 0x08) || (~estatVal & ENC_ESTAT_CLKRDY)); + + /* initialize controller */ + encReset (); + encInit (bis->bi_enetaddr); + + m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_RXEN); /* enable receive */ + + return 0; +} + +int eth_send (volatile void *packet, int length) +{ + /* check frame length, etc. */ + /* TODO: */ + + /* switch to bank 0 */ + m_nic_bfc (CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0)); + + /* set EWRPT */ + m_nic_write (CTL_REG_EWRPTL, (ENC_TX_BUF_START & 0xff)); + m_nic_write (CTL_REG_EWRPTH, (ENC_TX_BUF_START >> 8)); + + /* set ETXND */ + m_nic_write (CTL_REG_ETXNDL, (length + ENC_TX_BUF_START) & 0xFF); + m_nic_write (CTL_REG_ETXNDH, (length + ENC_TX_BUF_START) >> 8); + + /* set ETXST */ + m_nic_write (CTL_REG_ETXSTL, ENC_TX_BUF_START & 0xFF); + m_nic_write (CTL_REG_ETXSTH, ENC_TX_BUF_START >> 8); + + /* write packet */ + m_nic_write_data (length, (unsigned char *) packet); + + /* taken from the Linux driver */ + /* Verify that the internal transmit logic has not been altered by excessive + collisions. See Errata B4 12 and 14. + */ + if (m_nic_read(CTL_REG_EIR) & ENC_EIR_TXERIF) { + m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_TXRST); + m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_TXRST); + } + m_nic_bfc(CTL_REG_EIR, (ENC_EIR_TXERIF | ENC_EIR_TXIF)); + + /* set ECON1.TXRTS */ + m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_TXRTS); + + return 0; +} + + +/***************************************************************************** + * This function resets the receiver only. This function may be called from + * interrupt-context. + */ +static void encReceiverReset (void) +{ + unsigned char econ1; + + econ1 = m_nic_read (CTL_REG_ECON1); + if ((econ1 & ENC_ECON1_RXRST) == 0) { + m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_RXRST); + rxResetCounter = RX_RESET_COUNTER; + } +} + +/***************************************************************************** + * receiver reset timer + */ +static void encReceiverResetCallback (void) +{ + m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_RXRST); + m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_RXEN); /* enable receive */ +} + +/*----------------------------------------------------------------------------- + * Check for received packets. Call NetReceive for each packet. The return + * value is ignored by the caller. + */ +int eth_rx (void) +{ + if (rxResetCounter > 0 && --rxResetCounter == 0) { + encReceiverResetCallback (); + } + + encPoll (); + + return 0; +} + +void eth_halt (void) +{ + m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_RXEN); /* disable receive */ +} + +/*****************************************************************************/ + +static void encPoll (void) +{ + unsigned char eir_reg; + volatile unsigned char estat_reg; + unsigned char pkt_cnt; + +#ifdef CONFIG_USE_IRQ + /* clear global interrupt enable bit in enc28j60 */ + m_nic_bfc (CTL_REG_EIE, ENC_EIE_INTIE); +#endif + estat_reg = m_nic_read (CTL_REG_ESTAT); + + eir_reg = m_nic_read (CTL_REG_EIR); + + if (eir_reg & ENC_EIR_TXIF) { + /* clear TXIF bit in EIR */ + m_nic_bfc (CTL_REG_EIR, ENC_EIR_TXIF); + } + + /* We have to use pktcnt and not pktif bit, see errata pt. 6 */ + + /* move to bank 1 */ + m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL1); + m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL0); + + /* read pktcnt */ + pkt_cnt = m_nic_read (CTL_REG_EPKTCNT); + + if (pkt_cnt > 0) { + if ((eir_reg & ENC_EIR_PKTIF) == 0) { + /*printf("encPoll: pkt cnt > 0, but pktif not set\n"); */ + } + encRx (); + /* clear PKTIF bit in EIR, this should not need to be done but it + seems like we get problems if we do not */ + m_nic_bfc (CTL_REG_EIR, ENC_EIR_PKTIF); + } + + if (eir_reg & ENC_EIR_RXERIF) { + printf ("encPoll: rx error\n"); + m_nic_bfc (CTL_REG_EIR, ENC_EIR_RXERIF); + } + if (eir_reg & ENC_EIR_TXERIF) { + printf ("encPoll: tx error\n"); + m_nic_bfc (CTL_REG_EIR, ENC_EIR_TXERIF); + } + +#ifdef CONFIG_USE_IRQ + /* set global interrupt enable bit in enc28j60 */ + m_nic_bfs (CTL_REG_EIE, ENC_EIE_INTIE); +#endif +} + +static void encRx (void) +{ + unsigned short pkt_len; + unsigned short copy_len; + unsigned short status; + unsigned char eir_reg; + unsigned char pkt_cnt = 0; + unsigned short rxbuf_rdpt; + + /* switch to bank 0 */ + m_nic_bfc (CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0)); + + m_nic_write (CTL_REG_ERDPTL, next_pointer_lsb); + m_nic_write (CTL_REG_ERDPTH, next_pointer_msb); + + do { + m_nic_read_data (6, buffer); + next_pointer_lsb = buffer[0]; + next_pointer_msb = buffer[1]; + pkt_len = buffer[2]; + pkt_len |= (unsigned short) buffer[3] << 8; + status = buffer[4]; + status |= (unsigned short) buffer[5] << 8; + + if (pkt_len <= ENC_MAX_FRM_LEN) + copy_len = pkt_len; + else + copy_len = 0; + + if ((status & (1L << 7)) == 0) /* check Received Ok bit */ + copy_len = 0; + + /* taken from the Linux driver */ + /* check if next pointer is resonable */ + if ((((unsigned int)next_pointer_msb << 8) | + (unsigned int)next_pointer_lsb) >= ENC_TX_BUF_START) + copy_len = 0; + + if (copy_len > 0) { + m_nic_read_data (copy_len, buffer); + } + + /* advance read pointer to next pointer */ + m_nic_write (CTL_REG_ERDPTL, next_pointer_lsb); + m_nic_write (CTL_REG_ERDPTH, next_pointer_msb); + + /* decrease packet counter */ + m_nic_bfs (CTL_REG_ECON2, ENC_ECON2_PKTDEC); + + /* taken from the Linux driver */ + /* Only odd values should be written to ERXRDPTL, see errata B4 pt.13 */ rxbuf_rdpt = (next_pointer_msb << 8 | next_pointer_lsb) - 1; + if ((rxbuf_rdpt < (m_nic_read(CTL_REG_ERXSTH) << 8 | + m_nic_read(CTL_REG_ERXSTL))) || (rxbuf_rdpt > + (m_nic_read(CTL_REG_ERXNDH) << 8 | + m_nic_read(CTL_REG_ERXNDL)))) { + m_nic_write(CTL_REG_ERXRDPTL, m_nic_read(CTL_REG_ERXNDL)); + m_nic_write(CTL_REG_ERXRDPTH, m_nic_read(CTL_REG_ERXNDH)); + } else { + m_nic_write(CTL_REG_ERXRDPTL, rxbuf_rdpt & 0xFF); + m_nic_write(CTL_REG_ERXRDPTH, rxbuf_rdpt >> 8); + } + + /* move to bank 1 */ + m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL1); + m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL0); + + /* read pktcnt */ + pkt_cnt = m_nic_read (CTL_REG_EPKTCNT); + + /* switch to bank 0 */ + m_nic_bfc (CTL_REG_ECON1, + (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0)); + + if (copy_len == 0) { + eir_reg = m_nic_read (CTL_REG_EIR); + encReceiverReset (); + printf ("eth_rx: copy_len=0\n"); + continue; + } + + NetReceive ((unsigned char *) buffer, pkt_len); + + eir_reg = m_nic_read (CTL_REG_EIR); + } while (pkt_cnt); /* Use EPKTCNT not EIR.PKTIF flag, see errata pt. 6 */ +} + +static void encWriteReg (unsigned char regNo, unsigned char data) +{ + spi_lock (); + enc_cfg_spi (); + enc_enable (); + + spi_write (0x40 | regNo); /* write in regNo */ + spi_write (data); + + enc_disable (); + enc_enable (); + + spi_write (0x1f); /* write reg 0x1f */ + + enc_disable (); + spi_unlock (); +} + +static void encWriteRegRetry (unsigned char regNo, unsigned char data, int c) +{ + unsigned char readback; + int i; + + spi_lock (); + + for (i = 0; i < c; i++) { + enc_cfg_spi (); + enc_enable (); + + spi_write (0x40 | regNo); /* write in regNo */ + spi_write (data); + + enc_disable (); + enc_enable (); + + spi_write (0x1f); /* write reg 0x1f */ + + enc_disable (); + + spi_unlock (); /* we must unlock spi first */ + + readback = encReadReg (regNo); + + spi_lock (); + + if (readback == data) + break; + } + spi_unlock (); + + if (i == c) { + printf ("enc28j60: write reg %d failed\n", regNo); + } +} + +static unsigned char encReadReg (unsigned char regNo) +{ + unsigned char rxByte; + + spi_lock (); + enc_cfg_spi (); + enc_enable (); + + spi_write (0x1f); /* read reg 0x1f */ + + bank = spi_read () & 0x3; + + enc_disable (); + enc_enable (); + + spi_write (regNo); + rxByte = spi_read (); + + /* check if MAC or MII register */ + if (((bank == 2) && (regNo <= 0x1a)) || + ((bank == 3) && (regNo <= 0x05 || regNo == 0x0a))) { + /* ignore first byte and read another byte */ + rxByte = spi_read (); + } + + enc_disable (); + spi_unlock (); + + return rxByte; +} + +static void encReadBuff (unsigned short length, unsigned char *pBuff) +{ + spi_lock (); + enc_cfg_spi (); + enc_enable (); + + spi_write (0x20 | 0x1a); /* read buffer memory */ + + while (length--) { + if (pBuff != NULL) + *pBuff++ = spi_read (); + else + spi_write (0); + } + + enc_disable (); + spi_unlock (); +} + +static void encWriteBuff (unsigned short length, unsigned char *pBuff) +{ + spi_lock (); + enc_cfg_spi (); + enc_enable (); + + spi_write (0x60 | 0x1a); /* write buffer memory */ + + spi_write (0x00); /* control byte */ + + while (length--) + spi_write (*pBuff++); + + enc_disable (); + spi_unlock (); +} + +static void encBitSet (unsigned char regNo, unsigned char data) +{ + spi_lock (); + enc_cfg_spi (); + enc_enable (); + + spi_write (0x80 | regNo); /* bit field set */ + spi_write (data); + + enc_disable (); + spi_unlock (); +} + +static void encBitClr (unsigned char regNo, unsigned char data) +{ + spi_lock (); + enc_cfg_spi (); + enc_enable (); + + spi_write (0xA0 | regNo); /* bit field clear */ + spi_write (data); + + enc_disable (); + spi_unlock (); +} + +static void encReset (void) +{ + spi_lock (); + enc_cfg_spi (); + enc_enable (); + + spi_write (0xff); /* soft reset */ + + enc_disable (); + spi_unlock (); + + /* sleep 1 ms. See errata pt. 2 */ + udelay (1000); +} + +static void encInit (unsigned char *pEthAddr) +{ + unsigned short phid1 = 0; + unsigned short phid2 = 0; + + /* switch to bank 0 */ + m_nic_bfc (CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0)); + + /* + * Setup the buffer space. The reset values are valid for the + * other pointers. + */ + /* We shall not write to ERXST, see errata pt. 5. Instead we + have to make sure that ENC_RX_BUS_START is 0. */ + m_nic_write_retry (CTL_REG_ERXSTL, (ENC_RX_BUF_START & 0xFF), 1); + m_nic_write_retry (CTL_REG_ERXSTH, (ENC_RX_BUF_START >> 8), 1); + + /* taken from the Linux driver */ + m_nic_write_retry (CTL_REG_ERXNDL, (ENC_RX_BUF_END & 0xFF), 1); + m_nic_write_retry (CTL_REG_ERXNDH, (ENC_RX_BUF_END >> 8), 1); + + m_nic_write_retry (CTL_REG_ERDPTL, (ENC_RX_BUF_START & 0xFF), 1); + m_nic_write_retry (CTL_REG_ERDPTH, (ENC_RX_BUF_START >> 8), 1); + + next_pointer_lsb = (ENC_RX_BUF_START & 0xFF); + next_pointer_msb = (ENC_RX_BUF_START >> 8); + + /* verify identification */ + phid1 = phyRead (PHY_REG_PHID1); + phid2 = phyRead (PHY_REG_PHID2); + + if (phid1 != ENC_PHID1_VALUE + || (phid2 & ENC_PHID2_MASK) != ENC_PHID2_VALUE) { + printf ("ERROR: failed to identify controller\n"); + printf ("phid1 = %x, phid2 = %x\n", + phid1, (phid2 & ENC_PHID2_MASK)); + printf ("should be phid1 = %x, phid2 = %x\n", + ENC_PHID1_VALUE, ENC_PHID2_VALUE); + } + + /* + * --- MAC Initialization --- + */ + + /* Pull MAC out of Reset */ + + /* switch to bank 2 */ + m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL0); + m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL1); + + /* enable MAC to receive frames */ + /* added some bits from the Linux driver */ + m_nic_write_retry (CTL_REG_MACON1, (ENC_MACON1_MARXEN | ENC_MACON1_TXPAUS | ENC_MACON1_RXPAUS), 10); + + /* configure pad, tx-crc and duplex */ + /* added a bit from the Linux driver */ + m_nic_write_retry (CTL_REG_MACON3, + (ENC_MACON3_PADCFG0 | ENC_MACON3_TXCRCEN | ENC_MACON3_FRMLNEN), + 10); + + /* added 4 new lines from the Linux driver */ + /* Allow infinite deferals if the medium is continously busy */ + m_nic_write_retry(CTL_REG_MACON4, (1<<6) /*ENC_MACON4_DEFER*/, 10); + + /* Late collisions occur beyond 63 bytes */ + m_nic_write_retry(CTL_REG_MACLCON2, 63, 10); + + /* Set (low byte) Non-Back-to_Back Inter-Packet Gap. Recommended 0x12 */ + m_nic_write_retry(CTL_REG_MAIPGL, 0x12, 10); + + /* + * Set (high byte) Non-Back-to_Back Inter-Packet Gap. Recommended + * 0x0c for half-duplex. Nothing for full-duplex + */ + m_nic_write_retry(CTL_REG_MAIPGH, 0x0C, 10); + + /* set maximum frame length */ + m_nic_write_retry (CTL_REG_MAMXFLL, (ENC_MAX_FRM_LEN & 0xff), 10); + m_nic_write_retry (CTL_REG_MAMXFLH, (ENC_MAX_FRM_LEN >> 8), 10); + + /* + * Set MAC back-to-back inter-packet gap. Recommended 0x12 for half duplex + * and 0x15 for full duplex. + */ + m_nic_write_retry (CTL_REG_MABBIPG, 0x12, 10); + + /* set MAC address */ + + /* switch to bank 3 */ + m_nic_bfs (CTL_REG_ECON1, (ENC_ECON1_BSEL0 | ENC_ECON1_BSEL1)); + + m_nic_write_retry (CTL_REG_MAADR0, pEthAddr[5], 1); + m_nic_write_retry (CTL_REG_MAADR1, pEthAddr[4], 1); + m_nic_write_retry (CTL_REG_MAADR2, pEthAddr[3], 1); + m_nic_write_retry (CTL_REG_MAADR3, pEthAddr[2], 1); + m_nic_write_retry (CTL_REG_MAADR4, pEthAddr[1], 1); + m_nic_write_retry (CTL_REG_MAADR5, pEthAddr[0], 1); + + /* + * PHY Initialization taken from the Linux driver + */ + + /* Prevent automatic loopback of data beeing transmitted by setting + ENC_PHCON2_HDLDIS */ + phyWrite(PHY_REG_PHCON2, (1<<8)); + + /* LEDs configuration + * LEDA: LACFG = 0100 -> display link status + * LEDB: LBCFG = 0111 -> display TX & RX activity + * STRCH = 1 -> LED pulses + */ + phyWrite(PHY_REG_PHLCON, 0x0472); + + /* Reset PDPXMD-bit => half duplex */ + phyWrite(PHY_REG_PHCON1, 0); + + /* + * Receive settings + */ + +#ifdef CONFIG_USE_IRQ + /* enable interrupts */ + m_nic_bfs (CTL_REG_EIE, ENC_EIE_PKTIE); + m_nic_bfs (CTL_REG_EIE, ENC_EIE_TXIE); + m_nic_bfs (CTL_REG_EIE, ENC_EIE_RXERIE); + m_nic_bfs (CTL_REG_EIE, ENC_EIE_TXERIE); + m_nic_bfs (CTL_REG_EIE, ENC_EIE_INTIE); +#endif +} + +/***************************************************************************** + * + * Description: + * Read PHY registers. + * + * NOTE! This function will change to Bank 2. + * + * Params: + * [in] addr address of the register to read + * + * Returns: + * The value in the register + */ +static unsigned short phyRead (unsigned char addr) +{ + unsigned short ret = 0; + + /* move to bank 2 */ + m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL0); + m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL1); + + /* write address to MIREGADR */ + m_nic_write (CTL_REG_MIREGADR, addr); + + /* set MICMD.MIIRD */ + m_nic_write (CTL_REG_MICMD, ENC_MICMD_MIIRD); + + /* taken from the Linux driver */ + /* move to bank 3 */ + m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL0); + m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL1); + + /* poll MISTAT.BUSY bit until operation is complete */ + while ((m_nic_read (CTL_REG_MISTAT) & ENC_MISTAT_BUSY) != 0) { + static int cnt = 0; + + if (cnt++ >= 1000) { + /* GJ - this seems extremely dangerous! */ + /* printf("#"); */ + cnt = 0; + } + } + + /* taken from the Linux driver */ + /* move to bank 2 */ + m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_BSEL0); + m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL1); + + /* clear MICMD.MIIRD */ + m_nic_write (CTL_REG_MICMD, 0); + + ret = (m_nic_read (CTL_REG_MIRDH) << 8); + ret |= (m_nic_read (CTL_REG_MIRDL) & 0xFF); + + return ret; +} + +/***************************************************************************** + * + * Taken from the Linux driver. + * Description: + * Write PHY registers. + * + * NOTE! This function will change to Bank 3. + * + * Params: + * [in] addr address of the register to write to + * [in] data to be written + * + * Returns: + * None + */ +static void phyWrite(unsigned char addr, unsigned short data) +{ + /* move to bank 2 */ + m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_BSEL0); + m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL1); + + /* write address to MIREGADR */ + m_nic_write(CTL_REG_MIREGADR, addr); + + m_nic_write(CTL_REG_MIWRL, data & 0xff); + m_nic_write(CTL_REG_MIWRH, data >> 8); + + /* move to bank 3 */ + m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL0); + m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL1); + + /* poll MISTAT.BUSY bit until operation is complete */ + while((m_nic_read(CTL_REG_MISTAT) & ENC_MISTAT_BUSY) != 0) { + static int cnt = 0; + + if(cnt++ >= 1000) { + cnt = 0; + } + } +} + +#endif /* CONFIG_ENC28J60 */ diff --git a/include/asm-arm/arch-lpc2292/hardware.h b/include/asm-arm/arch-lpc2292/hardware.h new file mode 100644 index 0000000000..fd2b464e37 --- /dev/null +++ b/include/asm-arm/arch-lpc2292/hardware.h @@ -0,0 +1,33 @@ +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +/* + * Copyright (c) 2004 Cucy Systems (http://www.cucy.com) + * Curt Brune + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#if defined(CONFIG_LPC2292) +#include +#else +#error No hardware file defined for this configuration +#endif + +#endif /* __ASM_ARCH_HARDWARE_H */ diff --git a/include/asm-arm/arch-lpc2292/lpc2292_registers.h b/include/asm-arm/arch-lpc2292/lpc2292_registers.h new file mode 100644 index 0000000000..5715f3ef74 --- /dev/null +++ b/include/asm-arm/arch-lpc2292/lpc2292_registers.h @@ -0,0 +1,225 @@ +#ifndef __LPC2292_REGISTERS_H +#define __LPC2292_REGISTERS_H + +#include + +/* Macros for reading/writing registers */ +#define PUT8(reg, value) (*(volatile unsigned char*)(reg) = (value)) +#define PUT16(reg, value) (*(volatile unsigned short*)(reg) = (value)) +#define PUT32(reg, value) (*(volatile unsigned int*)(reg) = (value)) +#define GET8(reg) (*(volatile unsigned char*)(reg)) +#define GET16(reg) (*(volatile unsigned short*)(reg)) +#define GET32(reg) (*(volatile unsigned int*)(reg)) + +/* External Memory Controller */ + +#define BCFG0 0xFFE00000 /* 32-bits */ +#define BCFG1 0xFFE00004 /* 32-bits */ +#define BCFG2 0xFFE00008 /* 32-bits */ +#define BCFG3 0xFFE0000c /* 32-bits */ + +/* System Control Block */ + +#define EXTINT 0xE01FC140 +#define EXTWAKE 0xE01FC144 +#define EXTMODE 0xE01FC148 +#define EXTPOLAR 0xE01FC14C +#define MEMMAP 0xE01FC040 +#define PLLCON 0xE01FC080 +#define PLLCFG 0xE01FC084 +#define PLLSTAT 0xE01FC088 +#define PLLFEED 0xE01FC08C +#define PCON 0xE01FC0C0 +#define PCONP 0xE01FC0C4 +#define VPBDIV 0xE01FC100 + +/* Memory Acceleration Module */ + +#define MAMCR 0xE01FC000 +#define MAMTIM 0xE01FC004 + +/* Vectored Interrupt Controller */ + +#define VICIRQStatus 0xFFFFF000 +#define VICFIQStatus 0xFFFFF004 +#define VICRawIntr 0xFFFFF008 +#define VICIntSelect 0xFFFFF00C +#define VICIntEnable 0xFFFFF010 +#define VICIntEnClr 0xFFFFF014 +#define VICSoftInt 0xFFFFF018 +#define VICSoftIntClear 0xFFFFF01C +#define VICProtection 0xFFFFF020 +#define VICVectAddr 0xFFFFF030 +#define VICDefVectAddr 0xFFFFF034 +#define VICVectAddr0 0xFFFFF100 +#define VICVectAddr1 0xFFFFF104 +#define VICVectAddr2 0xFFFFF108 +#define VICVectAddr3 0xFFFFF10C +#define VICVectAddr4 0xFFFFF110 +#define VICVectAddr5 0xFFFFF114 +#define VICVectAddr6 0xFFFFF118 +#define VICVectAddr7 0xFFFFF11C +#define VICVectAddr8 0xFFFFF120 +#define VICVectAddr9 0xFFFFF124 +#define VICVectAddr10 0xFFFFF128 +#define VICVectAddr11 0xFFFFF12C +#define VICVectAddr12 0xFFFFF130 +#define VICVectAddr13 0xFFFFF134 +#define VICVectAddr14 0xFFFFF138 +#define VICVectAddr15 0xFFFFF13C +#define VICVectCntl0 0xFFFFF200 +#define VICVectCntl1 0xFFFFF204 +#define VICVectCntl2 0xFFFFF208 +#define VICVectCntl3 0xFFFFF20C +#define VICVectCntl4 0xFFFFF210 +#define VICVectCntl5 0xFFFFF214 +#define VICVectCntl6 0xFFFFF218 +#define VICVectCntl7 0xFFFFF21C +#define VICVectCntl8 0xFFFFF220 +#define VICVectCntl9 0xFFFFF224 +#define VICVectCntl10 0xFFFFF228 +#define VICVectCntl11 0xFFFFF22C +#define VICVectCntl12 0xFFFFF230 +#define VICVectCntl13 0xFFFFF234 +#define VICVectCntl14 0xFFFFF238 +#define VICVectCntl15 0xFFFFF23C + +/* Pin connect block */ + +#define PINSEL0 0xE002C000 /* 32 bits */ +#define PINSEL1 0xE002C004 /* 32 bits */ +#define PINSEL2 0xE002C014 /* 32 bits */ + +/* GPIO */ + +#define IO0PIN 0xE0028000 +#define IO0SET 0xE0028004 +#define IO0DIR 0xE0028008 +#define IO0CLR 0xE002800C +#define IO1PIN 0xE0028010 +#define IO1SET 0xE0028014 +#define IO1DIR 0xE0028018 +#define IO1CLR 0xE002801C +#define IO2PIN 0xE0028020 +#define IO2SET 0xE0028024 +#define IO2DIR 0xE0028028 +#define IO2CLR 0xE002802C +#define IO3PIN 0xE0028030 +#define IO3SET 0xE0028034 +#define IO3DIR 0xE0028038 +#define IO3CLR 0xE002803C + +/* Uarts */ + +#define U0RBR 0xE000C000 +#define U0THR 0xE000C000 +#define U0IER 0xE000C004 +#define U0IIR 0xE000C008 +#define U0FCR 0xE000C008 +#define U0LCR 0xE000C00C +#define U0LSR 0xE000C014 +#define U0SCR 0xE000C01C +#define U0DLL 0xE000C000 +#define U0DLM 0xE000C004 + +#define U1RBR 0xE0010000 +#define U1THR 0xE0010000 +#define U1IER 0xE0010004 +#define U1IIR 0xE0010008 +#define U1FCR 0xE0010008 +#define U1LCR 0xE001000C +#define U1MCR 0xE0010010 +#define U1LSR 0xE0010014 +#define U1MSR 0xE0010018 +#define U1SCR 0xE001001C +#define U1DLL 0xE0010000 +#define U1DLM 0xE0010004 + +/* I2C */ + +#define I2CONSET 0xE001C000 +#define I2STAT 0xE001C004 +#define I2DAT 0xE001C008 +#define I2ADR 0xE001C00C +#define I2SCLH 0xE001C010 +#define I2SCLL 0xE001C014 +#define I2CONCLR 0xE001C018 + +/* SPI */ + +#define S0SPCR 0xE0020000 +#define S0SPSR 0xE0020004 +#define S0SPDR 0xE0020008 +#define S0SPCCR 0xE002000C +#define S0SPINT 0xE002001C + +#define S1SPCR 0xE0030000 +#define S1SPSR 0xE0030004 +#define S1SPDR 0xE0030008 +#define S1SPCCR 0xE003000C +#define S1SPINT 0xE003001C + +/* CAN controller */ + +/* skip for now */ + +/* Timers */ + +#define T0IR 0xE0004000 +#define T0TCR 0xE0004004 +#define T0TC 0xE0004008 +#define T0PR 0xE000400C +#define T0PC 0xE0004010 +#define T0MCR 0xE0004014 +#define T0MR0 0xE0004018 +#define T0MR1 0xE000401C +#define T0MR2 0xE0004020 +#define T0MR3 0xE0004024 +#define T0CCR 0xE0004028 +#define T0CR0 0xE000402C +#define T0CR1 0xE0004030 +#define T0CR2 0xE0004034 +#define T0CR3 0xE0004038 +#define T0EMR 0xE000403C + +#define T1IR 0xE0008000 +#define T1TCR 0xE0008004 +#define T1TC 0xE0008008 +#define T1PR 0xE000800C +#define T1PC 0xE0008010 +#define T1MCR 0xE0008014 +#define T1MR0 0xE0008018 +#define T1MR1 0xE000801C +#define T1MR2 0xE0008020 +#define T1MR3 0xE0008024 +#define T1CCR 0xE0008028 +#define T1CR0 0xE000802C +#define T1CR1 0xE0008030 +#define T1CR2 0xE0008034 +#define T1CR3 0xE0008038 +#define T1EMR 0xE000803C + +/* PWM */ + +/* skip for now */ + +/* A/D converter */ + +/* skip for now */ + +/* Real Time Clock */ + +/* skip for now */ + +/* Watchdog */ + +#define WDMOD 0xE0000000 +#define WDTC 0xE0000004 +#define WDFEED 0xE0000008 +#define WDTV 0xE000000C + +/* EmbeddedICE LOGIC */ + +/* skip for now */ + +#endif diff --git a/include/asm-arm/arch-lpc2292/mmc.h b/include/asm-arm/arch-lpc2292/mmc.h new file mode 100644 index 0000000000..e664a5f678 --- /dev/null +++ b/include/asm-arm/arch-lpc2292/mmc.h @@ -0,0 +1,22 @@ +/* + * A dummy header file for use with the LPC2292 port to keep the + * compiler happy. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#ifndef _MMC_ARM_TDM_H_ +#define _MMC_ARM_TDM_H_ +#endif /* _MMC_ARM_TDM_H_ */ diff --git a/include/asm-arm/arch-lpc2292/spi.h b/include/asm-arm/arch-lpc2292/spi.h new file mode 100644 index 0000000000..6ae66e8ba7 --- /dev/null +++ b/include/asm-arm/arch-lpc2292/spi.h @@ -0,0 +1,82 @@ +/* + This file defines the interface to the lpc22xx SPI module. + Copyright (C) 2006 Embedded Artists AB (www.embeddedartists.com) + + This file may be included in software not adhering to the GPL. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#ifndef SPI_H +#define SPI_H + +#include +#include +#include +#include + +#define SPIF 0x80 + +#define spi_lock() disable_interrupts(); +#define spi_unlock() enable_interrupts(); + +extern unsigned long spi_flags; +extern unsigned char spi_idle; + +int spi_init(void); + +static inline unsigned char spi_read(void) +{ + unsigned char b; + + PUT8(S0SPDR, spi_idle); + while (!(GET8(S0SPSR) & SPIF)); + b = GET8(S0SPDR); + + return b; +} + +static inline void spi_write(unsigned char b) +{ + PUT8(S0SPDR, b); + while (!(GET8(S0SPSR) & SPIF)); + GET8(S0SPDR); /* this will clear the SPIF bit */ +} + +static inline void spi_set_clock(unsigned char clk_value) +{ + PUT8(S0SPCCR, clk_value); +} + +static inline void spi_set_cfg(unsigned char phase, + unsigned char polarity, + unsigned char lsbf) +{ + unsigned char v = 0x20; /* master bit set */ + + if (phase) + v |= 0x08; /* set phase bit */ + if (polarity) { + v |= 0x10; /* set polarity bit */ + spi_idle = 0xFF; + } else { + spi_idle = 0x00; + } + if (lsbf) + v |= 0x40; /* set lsbf bit */ + + PUT8(S0SPCR, v); +} +#endif /* SPI_H */ diff --git a/include/configs/SMN42.h b/include/configs/SMN42.h new file mode 100644 index 0000000000..41330e9dbe --- /dev/null +++ b/include/configs/SMN42.h @@ -0,0 +1,198 @@ +/* + * (C) Copyright 2007 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Configuation settings for the SMN42 board from Siemens. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * If we are developing, we might want to start u-boot from ram + * so we MUST NOT initialize critical regs like mem-timing ... + */ +#undef CONFIG_INIT_CRITICAL /* undef for developing */ + +#undef CONFIG_SKIP_LOWLEVEL_INIT +#undef CONFIG_SKIP_RELOCATE_UBOOT + +/* + * High Level Configuration Options + * (easy to change) + */ +#define CONFIG_ARM7 1 /* This is a ARM7 CPU */ +#define CONFIG_ARM_THUMB 1 /* this is an ARM720TDMI */ +#define CONFIG_LPC2292 +#undef CONFIG_ARM7_REVD /* disable ARM720 REV.D Workarounds */ + +#undef CONFIG_USE_IRQ /* don't need them anymore */ + +/* + * Size of malloc() pool + */ +#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024) +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ + +/* + * Hardware drivers + */ + +/* + * select serial console configuration + */ +#define CONFIG_SERIAL1 1 /* we use Serial line 1 */ + +/* allow to overwrite serial and ethaddr */ +#define CONFIG_ENV_OVERWRITE + +#define CONFIG_BAUDRATE 115200 + +#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE) + +/* enable I2C and select the hardware/software driver */ +#undef CONFIG_HARD_I2C /* I2C with hardware support */ +#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ +/* this would be 0xAE if E0, E1 and E2 were pulled high */ +#define CFG_I2C_SLAVE 0xA0 +#define CFG_I2C_EEPROM_ADDR (0xA0 >> 1) +#define CFG_I2C_EEPROM_ADDR_LEN 2 /* 16 bit address */ +#define CFG_EEPROM_PAGE_WRITE_BITS 6 /* 64 bytes per write */ +#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 20 +/* not used but required by devices.c */ +#define CFG_I2C_SPEED 10000 + +#ifdef CONFIG_SOFT_I2C +/* + * Software (bit-bang) I2C driver configuration + */ +#define SCL 0x00000004 /* P0.2 */ +#define SDA 0x00000008 /* P0.3 */ + +#define I2C_READ ((GET32(IO0PIN) & SDA) ? 1 : 0) +#define I2C_SDA(x) { if (x) PUT32(IO0SET, SDA); else PUT32(IO0CLR, SDA); } +#define I2C_SCL(x) { if (x) PUT32(IO0SET, SCL); else PUT32(IO0CLR, SCL); } +#define I2C_DELAY { udelay(100); } +#define I2C_ACTIVE { unsigned int i2ctmp; \ + i2ctmp = GET32(IO0DIR); \ + i2ctmp |= SDA; \ + PUT32(IO0DIR, i2ctmp); } +#define I2C_TRISTATE { unsigned int i2ctmp; \ + i2ctmp = GET32(IO0DIR); \ + i2ctmp &= ~SDA; \ + PUT32(IO0DIR, i2ctmp); } +#endif /* CONFIG_SOFT_I2C */ + +/* + * Supported commands + */ +#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ + CFG_CMD_DHCP | \ + CFG_CMD_FAT | \ + CFG_CMD_MMC | \ + CFG_CMD_NET | \ + CFG_CMD_EEPROM | \ + CFG_CMD_PING) + +#define CONFIG_DOS_PARTITION + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include + +#define CONFIG_BOOTDELAY 5 + +/* + * Miscellaneous configurable options + */ +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "SMN42 # " /* Monitor Command Prompt */ +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_MEMTEST_START 0x81800000 /* memtest works on */ +#define CFG_MEMTEST_END 0x83000000 /* 24 MB in SRAM */ + +#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ + +#define CFG_LOAD_ADDR 0x81000000 /* default load address for uClinux img is here*/ + +#define CFG_SYS_CLK_FREQ 58982400 /* Hz */ +#define CFG_HZ 2048 /* decrementer freq in Hz */ + + /* valid baudrates */ +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/*----------------------------------------------------------------------- + * Stack sizes + * + * The stack sizes are set up in start.S using the settings below + */ +#define CONFIG_STACKSIZE (128*1024) /* regular stack */ +#ifdef CONFIG_USE_IRQ +#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ +#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ +#endif + +/*----------------------------------------------------------------------- + * Physical Memory Map + */ +#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of SRAM */ +#define PHYS_SDRAM_1 0x81000000 /* SRAM Bank #1 */ +#define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB SRAM */ + +/* This is the external flash */ +#define PHYS_FLASH_1 0x80000000 /* Flash Bank #1 */ +#define PHYS_FLASH_SIZE 0x01000000 /* 16 MB */ + +/*----------------------------------------------------------------------- + * FLASH and environment organization + */ + +/* + * The first entry in CFG_FLASH_BANKS_LIST is a dummy, but it must be present. + */ +#define CFG_FLASH_BANKS_LIST { 0, PHYS_FLASH_1 } +#define CFG_FLASH_ADDR0 0x555 +#define CFG_FLASH_ADDR1 0x2AA +#define CFG_FLASH_ERASE_TOUT 16384 /* Timeout for Flash Erase (in ms) */ +#define CFG_FLASH_WRITE_TOUT 5 /* Timeout for Flash Write (in ms) */ + +#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ + +#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ + +#define CFG_ENV_IS_IN_FLASH 1 +/* The Environment Sector is in the CPU-internal flash */ +#define CFG_FLASH_BASE 0 +#define CFG_ENV_OFFSET 0x3C000 +#define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET) +#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ + +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_INITRD_TAG +#define CONFIG_MMC 1 +/* we use this ethernet chip */ +#define CONFIG_ENC28J60 + +#endif /* __CONFIG_H */ -- cgit v1.2.3 From 3e3b956906eba9e4ad7931581ecedaad10eccce8 Mon Sep 17 00:00:00 2001 From: Peter Pearse Date: Fri, 18 May 2007 16:47:03 +0100 Subject: Reduce line lengths to 80 characters max. --- board/siemens/SMN42/flash.c | 3 ++- disk/part.c | 6 ++++-- drivers/enc28j60.c | 15 ++++++++++----- fs/fat/fat.c | 6 ++++-- include/configs/SMN42.h | 3 ++- include/configs/lpc2292sodimm.h | 4 +++- 6 files changed, 25 insertions(+), 12 deletions(-) mode change 100644 => 100755 board/siemens/SMN42/flash.c mode change 100644 => 100755 disk/part.c mode change 100644 => 100755 drivers/enc28j60.c mode change 100644 => 100755 fs/fat/fat.c mode change 100644 => 100755 include/configs/SMN42.h mode change 100644 => 100755 include/configs/lpc2292sodimm.h (limited to 'include') diff --git a/board/siemens/SMN42/flash.c b/board/siemens/SMN42/flash.c old mode 100644 new mode 100755 index 7d4977e026..e80df0bcf4 --- a/board/siemens/SMN42/flash.c +++ b/board/siemens/SMN42/flash.c @@ -25,7 +25,8 @@ #include #include -static unsigned long flash_addr_table[CFG_MAX_FLASH_BANKS] = CFG_FLASH_BANKS_LIST; +static unsigned long flash_addr_table[CFG_MAX_FLASH_BANKS] + = CFG_FLASH_BANKS_LIST; flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; extern int lpc2292_copy_buffer_to_flash(flash_info_t *, ulong); diff --git a/disk/part.c b/disk/part.c old mode 100644 new mode 100755 index 54de737c3b..61e6579d45 --- a/disk/part.c +++ b/disk/part.c @@ -220,7 +220,8 @@ void init_part (block_dev_desc_t * dev_desc) } -int get_partition_info (block_dev_desc_t *dev_desc, int part, disk_partition_t *info) +int get_partition_info (block_dev_desc_t *dev_desc, int part + , disk_partition_t *info) { switch (dev_desc->part_type) { #ifdef CONFIG_MAC_PARTITION @@ -326,7 +327,8 @@ void print_part (block_dev_desc_t * dev_desc) #else /* neither MAC nor DOS nor ISO partition configured */ -# error neither CONFIG_MAC_PARTITION nor CONFIG_DOS_PARTITION nor CONFIG_ISO_PARTITION configured! +# error neither CONFIG_MAC_PARTITION nor CONFIG_DOS_PARTITION +# error nor CONFIG_ISO_PARTITION configured! #endif #endif /* (CONFIG_COMMANDS & CFG_CMD_IDE) || CONFIG_COMMANDS & CFG_CMD_SCSI) */ diff --git a/drivers/enc28j60.c b/drivers/enc28j60.c old mode 100644 new mode 100755 index c2ed48573a..36b084c191 --- a/drivers/enc28j60.c +++ b/drivers/enc28j60.c @@ -548,7 +548,10 @@ static void encRx (void) m_nic_bfs (CTL_REG_ECON2, ENC_ECON2_PKTDEC); /* taken from the Linux driver */ - /* Only odd values should be written to ERXRDPTL, see errata B4 pt.13 */ rxbuf_rdpt = (next_pointer_msb << 8 | next_pointer_lsb) - 1; + /* Only odd values should be written to ERXRDPTL, + * see errata B4 pt.13 + */ + rxbuf_rdpt = (next_pointer_msb << 8 | next_pointer_lsb) - 1; if ((rxbuf_rdpt < (m_nic_read(CTL_REG_ERXSTH) << 8 | m_nic_read(CTL_REG_ERXSTL))) || (rxbuf_rdpt > (m_nic_read(CTL_REG_ERXNDH) << 8 | @@ -799,13 +802,15 @@ static void encInit (unsigned char *pEthAddr) /* enable MAC to receive frames */ /* added some bits from the Linux driver */ - m_nic_write_retry (CTL_REG_MACON1, (ENC_MACON1_MARXEN | ENC_MACON1_TXPAUS | ENC_MACON1_RXPAUS), 10); + m_nic_write_retry (CTL_REG_MACON1 + ,(ENC_MACON1_MARXEN | ENC_MACON1_TXPAUS | ENC_MACON1_RXPAUS) + ,10); /* configure pad, tx-crc and duplex */ /* added a bit from the Linux driver */ - m_nic_write_retry (CTL_REG_MACON3, - (ENC_MACON3_PADCFG0 | ENC_MACON3_TXCRCEN | ENC_MACON3_FRMLNEN), - 10); + m_nic_write_retry (CTL_REG_MACON3 + ,(ENC_MACON3_PADCFG0 | ENC_MACON3_TXCRCEN | ENC_MACON3_FRMLNEN) + ,10); /* added 4 new lines from the Linux driver */ /* Allow infinite deferals if the medium is continously busy */ diff --git a/fs/fat/fat.c b/fs/fat/fat.c old mode 100644 new mode 100755 index 084ee44459..3007608360 --- a/fs/fat/fat.c +++ b/fs/fat/fat.c @@ -59,7 +59,8 @@ int disk_read (__u32 startblock, __u32 getsize, __u8 * bufptr) if (cur_dev == NULL) return -1; if (cur_dev->block_read) { - return cur_dev->block_read (cur_dev->dev, startblock, getsize, (unsigned long *)bufptr); + return cur_dev->block_read (cur_dev->dev + , startblock, getsize, (unsigned long *)bufptr); } return -1; } @@ -996,7 +997,8 @@ file_fat_detectfs(void) memcpy (vol_label, volinfo.volume_label, 11); vol_label[11] = '\0'; volinfo.fs_type[5]='\0'; - printf("Partition %d: Filesystem: %s \"%s\"\n",cur_part,volinfo.fs_type,vol_label); + printf("Partition %d: Filesystem: %s \"%s\"\n" + ,cur_part,volinfo.fs_type,vol_label); return 0; } diff --git a/include/configs/SMN42.h b/include/configs/SMN42.h old mode 100644 new mode 100755 index 41330e9dbe..1d2f28d946 --- a/include/configs/SMN42.h +++ b/include/configs/SMN42.h @@ -134,7 +134,8 @@ #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ -#define CFG_LOAD_ADDR 0x81000000 /* default load address for uClinux img is here*/ +#define CFG_LOAD_ADDR 0x81000000 /* default load address + * for uClinux img is here*/ #define CFG_SYS_CLK_FREQ 58982400 /* Hz */ #define CFG_HZ 2048 /* decrementer freq in Hz */ diff --git a/include/configs/lpc2292sodimm.h b/include/configs/lpc2292sodimm.h old mode 100644 new mode 100755 index d817ea8d73..30e0b10f79 --- a/include/configs/lpc2292sodimm.h +++ b/include/configs/lpc2292sodimm.h @@ -101,7 +101,9 @@ #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ -#define CFG_LOAD_ADDR 0x00040000 /* default load address for armadillo: kernel img is here*/ +#define CFG_LOAD_ADDR 0x00040000 /* default load address for + * armadillo: kernel img is here + */ #define CFG_SYS_CLK_FREQ 58982400 /* Hz */ #define CFG_HZ 2048 /* decrementer freq in Hz */ -- cgit v1.2.3