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-rw-r--r--board/nokia/rx51/rx51.c806
1 files changed, 0 insertions, 806 deletions
diff --git a/board/nokia/rx51/rx51.c b/board/nokia/rx51/rx51.c
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index 238b9637ba..0000000000
--- a/board/nokia/rx51/rx51.c
+++ /dev/null
@@ -1,806 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2012
- * Ивайло Димитров <freemangordon@abv.bg>
- *
- * (C) Copyright 2011-2012
- * Pali Rohár <pali@kernel.org>
- *
- * (C) Copyright 2010
- * Alistair Buxton <a.j.buxton@gmail.com>
- *
- * Derived from Beagle Board and 3430 SDP code:
- * (C) Copyright 2004-2008
- * Texas Instruments, <www.ti.com>
- *
- * Author :
- * Sunil Kumar <sunilsaini05@gmail.com>
- * Shashi Ranjan <shashiranjanmca05@gmail.com>
- *
- * Richard Woodruff <r-woodruff2@ti.com>
- * Syed Mohammed Khasim <khasim@ti.com>
- */
-
-#include <common.h>
-#include <dm.h>
-#include <env.h>
-#include <init.h>
-#include <watchdog.h>
-#include <wdt.h>
-#include <malloc.h>
-#include <twl4030.h>
-#include <i2c.h>
-#include <video.h>
-#include <keyboard.h>
-#include <ns16550.h>
-#include <asm/global_data.h>
-#include <asm/io.h>
-#include <asm/setup.h>
-#include <asm/bitops.h>
-#include <asm/mach-types.h>
-#include <asm/omap_i2c.h>
-#include <asm/arch/mux.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/arch/mmc_host_def.h>
-
-#include "tag_omap.h"
-
-/* Needed for ROM SMC call */
-struct emu_hal_params_rx51 {
- u32 num_params;
- u32 param1;
- u32 param2;
- u32 param3;
- u32 param4;
-};
-
-#define ONENAND_GPMC_CONFIG1_RX51 0xfb001202
-#define ONENAND_GPMC_CONFIG2_RX51 0x00111100
-#define ONENAND_GPMC_CONFIG3_RX51 0x00020200
-#define ONENAND_GPMC_CONFIG4_RX51 0x11001102
-#define ONENAND_GPMC_CONFIG5_RX51 0x03101616
-#define ONENAND_GPMC_CONFIG6_RX51 0x90060000
-
-DECLARE_GLOBAL_DATA_PTR;
-
-const omap3_sysinfo sysinfo = {
- DDR_STACKED,
- "Nokia RX-51",
- "OneNAND"
-};
-
-/* This structure contains default omap tags needed for booting Maemo 5 */
-static struct tag_omap omap[] = {
- OMAP_TAG_UART_CONFIG(0x04),
- OMAP_TAG_SERIAL_CONSOLE_CONFIG(0x03, 0x01C200),
- OMAP_TAG_LCD_CONFIG("acx565akm", "internal", 90, 0x18),
- OMAP_TAG_GPIO_SWITCH_CONFIG("cam_focus", 0x44, 0x1, 0x2, 0x0),
- OMAP_TAG_GPIO_SWITCH_CONFIG("cam_launch", 0x45, 0x1, 0x2, 0x0),
- OMAP_TAG_GPIO_SWITCH_CONFIG("cam_shutter", 0x6e, 0x1, 0x0, 0x0),
- OMAP_TAG_GPIO_SWITCH_CONFIG("cmt_apeslpx", 0x46, 0x2, 0x2, 0x0),
- OMAP_TAG_GPIO_SWITCH_CONFIG("cmt_bsi", 0x9d, 0x2, 0x2, 0x0),
- OMAP_TAG_GPIO_SWITCH_CONFIG("cmt_en", 0x4a, 0x2, 0x2, 0x0),
- OMAP_TAG_GPIO_SWITCH_CONFIG("cmt_rst", 0x4b, 0x6, 0x2, 0x0),
- OMAP_TAG_GPIO_SWITCH_CONFIG("cmt_rst_rq", 0x49, 0x6, 0x2, 0x0),
- OMAP_TAG_GPIO_SWITCH_CONFIG("cmt_wddis", 0x0d, 0x2, 0x2, 0x0),
- OMAP_TAG_GPIO_SWITCH_CONFIG("headphone", 0xb1, 0x1, 0x1, 0x0),
- OMAP_TAG_GPIO_SWITCH_CONFIG("kb_lock", 0x71, 0x1, 0x0, 0x0),
- OMAP_TAG_GPIO_SWITCH_CONFIG("proximity", 0x59, 0x0, 0x0, 0x0),
- OMAP_TAG_GPIO_SWITCH_CONFIG("sleep_ind", 0xa2, 0x2, 0x2, 0x0),
- OMAP_TAG_GPIO_SWITCH_CONFIG("slide", GPIO_SLIDE, 0x0, 0x0, 0x0),
- OMAP_TAG_WLAN_CX3110X_CONFIG(0x25, 0xff, 87, 42, -1),
- OMAP_TAG_PARTITION_CONFIG("bootloader", 128 * 1024, 0x00000000, 0x00000003),
- OMAP_TAG_PARTITION_CONFIG("config", 384 * 1024, 0x00020000, 0x00000000),
- OMAP_TAG_PARTITION_CONFIG("log", 256 * 1024, 0x00080000, 0x00000000),
- OMAP_TAG_PARTITION_CONFIG("kernel", 2 * 1024*1024, 0x000c0000, 0x00000000),
- OMAP_TAG_PARTITION_CONFIG("initfs", 2 * 1024*1024, 0x002c0000, 0x00000000),
- OMAP_TAG_PARTITION_CONFIG("rootfs", 257280 * 1024, 0x004c0000, 0x00000000),
- OMAP_TAG_BOOT_REASON_CONFIG("pwr_key"),
- OMAP_TAG_VERSION_STR_CONFIG("product", "RX-51"),
- OMAP_TAG_VERSION_STR_CONFIG("hw-build", "2101"),
- OMAP_TAG_VERSION_STR_CONFIG("nolo", "1.4.14"),
- OMAP_TAG_VERSION_STR_CONFIG("boot-mode", "normal"),
- { }
-};
-
-static char *boot_reason_ptr;
-static char *hw_build_ptr;
-static char *nolo_version_ptr;
-static char *boot_mode_ptr;
-static int serial_was_console_enabled;
-
-/*
- * Routine: init_omap_tags
- * Description: Initialize pointers to values in tag_omap
- */
-static void init_omap_tags(void)
-{
- char *component;
- char *version;
- int i = 0;
- while (omap[i].hdr.tag) {
- switch (omap[i].hdr.tag) {
- case OMAP_TAG_BOOT_REASON:
- boot_reason_ptr = omap[i].u.boot_reason.reason_str;
- break;
- case OMAP_TAG_VERSION_STR:
- component = omap[i].u.version.component;
- version = omap[i].u.version.version;
- if (strcmp(component, "hw-build") == 0)
- hw_build_ptr = version;
- else if (strcmp(component, "nolo") == 0)
- nolo_version_ptr = version;
- else if (strcmp(component, "boot-mode") == 0)
- boot_mode_ptr = version;
- break;
- default:
- break;
- }
- i++;
- }
-}
-
-static void reuse_omap_atags(struct tag_omap *t)
-{
- char *component;
- char *version;
- while (t->hdr.tag) {
- switch (t->hdr.tag) {
- case OMAP_TAG_BOOT_REASON:
- memset(boot_reason_ptr, 0, 12);
- strcpy(boot_reason_ptr, t->u.boot_reason.reason_str);
- break;
- case OMAP_TAG_VERSION_STR:
- component = t->u.version.component;
- version = t->u.version.version;
- if (strcmp(component, "hw-build") == 0) {
- memset(hw_build_ptr, 0, 12);
- strcpy(hw_build_ptr, version);
- } else if (strcmp(component, "nolo") == 0) {
- memset(nolo_version_ptr, 0, 12);
- strcpy(nolo_version_ptr, version);
- } else if (strcmp(component, "boot-mode") == 0) {
- memset(boot_mode_ptr, 0, 12);
- strcpy(boot_mode_ptr, version);
- }
- break;
- case OMAP_TAG_UART:
- if (t->u.uart.enabled_uarts)
- serial_was_console_enabled = 1;
- break;
- case OMAP_TAG_SERIAL_CONSOLE:
- serial_was_console_enabled = 1;
- break;
- default:
- break;
- }
- t = tag_omap_next(t);
- }
-}
-
-/*
- * Routine: reuse_atags
- * Description: Reuse atags from previous bootloader.
- * Reuse only only HW build, boot reason, boot mode and nolo
- */
-static void reuse_atags(void)
-{
- struct tag *t = (struct tag *)gd->bd->bi_boot_params;
-
- /* First tag must be ATAG_CORE */
- if (t->hdr.tag != ATAG_CORE)
- return;
-
- if (!boot_reason_ptr || !hw_build_ptr)
- return;
-
- /* Last tag must be ATAG_NONE */
- while (t->hdr.tag != ATAG_NONE) {
- switch (t->hdr.tag) {
- case ATAG_REVISION:
- memset(hw_build_ptr, 0, 12);
- sprintf(hw_build_ptr, "%x", t->u.revision.rev);
- break;
- case ATAG_BOARD:
- reuse_omap_atags((struct tag_omap *)&t->u);
- break;
- default:
- break;
- }
- t = tag_next(t);
- }
-}
-
-/*
- * Routine: board_init
- * Description: Early hardware init.
- */
-int board_init(void)
-{
-#if defined(CONFIG_CMD_ONENAND)
- const u32 gpmc_regs_onenandrx51[GPMC_MAX_REG] = {
- ONENAND_GPMC_CONFIG1_RX51,
- ONENAND_GPMC_CONFIG2_RX51,
- ONENAND_GPMC_CONFIG3_RX51,
- ONENAND_GPMC_CONFIG4_RX51,
- ONENAND_GPMC_CONFIG5_RX51,
- ONENAND_GPMC_CONFIG6_RX51,
- 0
- };
-#endif
- /* in SRAM or SDRAM, finish GPMC */
- gpmc_init();
-#if defined(CONFIG_CMD_ONENAND)
- enable_gpmc_cs_config(gpmc_regs_onenandrx51, &gpmc_cfg->cs[0],
- CFG_SYS_ONENAND_BASE, GPMC_SIZE_256M);
-#endif
- /* Enable the clks & power */
- per_clocks_enable();
- /* boot param addr */
- gd->bd->bi_boot_params = OMAP34XX_SDRC_CS0 + 0x100;
- return 0;
-}
-
-#ifdef CONFIG_REVISION_TAG
-/*
- * Routine: get_board_revision
- * Description: Return board revision.
- */
-u32 get_board_rev(void)
-{
- return simple_strtol(hw_build_ptr, NULL, 16);
-}
-#endif
-
-/*
- * Routine: setup_board_tags
- * Description: Append board specific boot tags.
- */
-void setup_board_tags(struct tag **in_params)
-{
- int setup_console_atag;
- char *setup_boot_reason_atag;
- char *setup_boot_mode_atag;
- char *str;
- int i;
- int size;
- int total_size;
- struct tag *params;
- struct tag_omap *t;
-
- params = (struct tag *)gd->bd->bi_boot_params;
-
- params->u.core.flags = 0x0;
- params->u.core.pagesize = 0x1000;
- params->u.core.rootdev = 0x0;
-
- /* append omap atag only if env setup_omap_atag is set to 1 */
- str = env_get("setup_omap_atag");
- if (!str || str[0] != '1')
- return;
-
- str = env_get("setup_console_atag");
- if (str && str[0]) {
- if (str[0] == '1')
- setup_console_atag = 1;
- else
- setup_console_atag = 0;
- } else {
- if (serial_was_console_enabled)
- setup_console_atag = 1;
- else
- setup_console_atag = 0;
- }
-
- setup_boot_reason_atag = env_get("setup_boot_reason_atag");
- setup_boot_mode_atag = env_get("setup_boot_mode_atag");
-
- params = *in_params;
- t = (struct tag_omap *)&params->u;
- total_size = sizeof(struct tag_header);
-
- for (i = 0; omap[i].hdr.tag; i++) {
-
- /* skip serial console tag */
- if (!setup_console_atag &&
- omap[i].hdr.tag == OMAP_TAG_SERIAL_CONSOLE)
- continue;
-
- size = omap[i].hdr.size + sizeof(struct tag_omap_header);
- memcpy(t, &omap[i], size);
-
- /* set uart tag to 0 - disable serial console */
- if (!setup_console_atag && omap[i].hdr.tag == OMAP_TAG_UART)
- t->u.uart.enabled_uarts = 0;
-
- /* change boot reason */
- if (setup_boot_reason_atag &&
- omap[i].hdr.tag == OMAP_TAG_BOOT_REASON) {
- memset(t->u.boot_reason.reason_str, 0, 12);
- strcpy(t->u.boot_reason.reason_str,
- setup_boot_reason_atag);
- }
-
- /* change boot mode */
- if (setup_boot_mode_atag &&
- omap[i].hdr.tag == OMAP_TAG_VERSION_STR &&
- strcmp(omap[i].u.version.component, "boot-mode") == 0) {
- memset(t->u.version.version, 0, 12);
- strcpy(t->u.version.version, setup_boot_mode_atag);
- }
-
- total_size += size;
- t = tag_omap_next(t);
-
- }
-
- params->hdr.tag = ATAG_BOARD;
- params->hdr.size = total_size >> 2;
- params = tag_next(params);
-
- *in_params = params;
-}
-
-static int rx51_video_probe(struct udevice *dev)
-{
- struct video_uc_plat *uc_plat = dev_get_uclass_plat(dev);
- struct video_priv *uc_priv = dev_get_uclass_priv(dev);
-
- uc_plat->base = 0x8f9c0000;
- uc_plat->size = 800 * 480 * sizeof(u16);
- uc_priv->xsize = 800;
- uc_priv->ysize = 480;
- uc_priv->bpix = VIDEO_BPP16;
-
- video_set_flush_dcache(dev, true);
-
- return 0;
-}
-
-U_BOOT_DRIVER(rx51_video) = {
- .name = "rx51_video",
- .id = UCLASS_VIDEO,
- .probe = rx51_video_probe,
-};
-
-/*
- * Routine: twl4030_regulator_set_mode
- * Description: Set twl4030 regulator mode over i2c powerbus.
- */
-static void twl4030_regulator_set_mode(u8 id, u8 mode)
-{
- u16 msg = MSG_SINGULAR(DEV_GRP_P1, id, mode);
- twl4030_i2c_write_u8(TWL4030_CHIP_PM_MASTER,
- TWL4030_PM_MASTER_PB_WORD_MSB, msg >> 8);
- twl4030_i2c_write_u8(TWL4030_CHIP_PM_MASTER,
- TWL4030_PM_MASTER_PB_WORD_LSB, msg & 0xff);
-}
-
-static void omap3_emu_romcode_call(u32 service_id, u32 *parameters)
-{
- u32 i, num_params = *parameters;
- u32 *sram_scratch_space = (u32 *)OMAP3_PUBLIC_SRAM_SCRATCH_AREA;
-
- /*
- * copy the parameters to an un-cached area to avoid coherency
- * issues
- */
- for (i = 0; i < num_params; i++) {
- __raw_writel(*parameters, sram_scratch_space);
- parameters++;
- sram_scratch_space++;
- }
-
- /* Now make the PPA call */
- do_omap3_emu_romcode_call(service_id, OMAP3_PUBLIC_SRAM_SCRATCH_AREA);
-}
-
-void omap3_set_aux_cr_secure(u32 acr)
-{
- struct emu_hal_params_rx51 emu_romcode_params = { 0, };
-
- emu_romcode_params.num_params = 2;
- emu_romcode_params.param1 = acr;
-
- omap3_emu_romcode_call(OMAP3_EMU_HAL_API_WRITE_ACR,
- (u32 *)&emu_romcode_params);
-}
-
-/*
- * Routine: omap3_update_aux_cr_secure_rx51
- * Description: Modify the contents Auxiliary Control Register.
- * Parameters:
- * set_bits - bits to set in ACR
- * clr_bits - bits to clear in ACR
- */
-static void omap3_update_aux_cr_secure_rx51(u32 set_bits, u32 clear_bits)
-{
- u32 acr;
-
- /* Read ACR */
- asm volatile ("mrc p15, 0, %0, c1, c0, 1" : "=r" (acr));
- acr &= ~clear_bits;
- acr |= set_bits;
- omap3_set_aux_cr_secure(acr);
-}
-
-/*
- * Routine: misc_init_r
- * Description: Configure board specific parts.
- */
-int misc_init_r(void)
-{
- struct udevice *dev;
- char buf[12];
- u8 state;
-
- /* disable lp5523 led */
- if (i2c_get_chip_for_busnum(1, 0x32, 1, &dev) == 0)
- dm_i2c_reg_write(dev, 0x00, 0x00);
-
- /* initialize twl4030 power managment */
- twl4030_power_init();
- twl4030_power_mmc_init(0);
- twl4030_power_mmc_init(1);
-
- /* set VSIM to 1.8V */
- twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VSIM_DEDICATED,
- TWL4030_PM_RECEIVER_VSIM_VSEL_18,
- TWL4030_PM_RECEIVER_VSIM_DEV_GRP,
- TWL4030_PM_RECEIVER_DEV_GRP_P1);
-
- /* store I2C access state */
- twl4030_i2c_read_u8(TWL4030_CHIP_PM_MASTER, TWL4030_PM_MASTER_PB_CFG,
- &state);
-
- /* enable I2C access to powerbus (needed for twl4030 regulator) */
- twl4030_i2c_write_u8(TWL4030_CHIP_PM_MASTER, TWL4030_PM_MASTER_PB_CFG,
- 0x02);
-
- /* set VAUX3, VSIM and VMMC1 state to active - enable eMMC memory */
- twl4030_regulator_set_mode(RES_VAUX3, RES_STATE_ACTIVE);
- twl4030_regulator_set_mode(RES_VSIM, RES_STATE_ACTIVE);
- twl4030_regulator_set_mode(RES_VMMC1, RES_STATE_ACTIVE);
-
- /* restore I2C access state */
- twl4030_i2c_write_u8(TWL4030_CHIP_PM_MASTER, TWL4030_PM_MASTER_PB_CFG,
- state);
-
- /* set env variable attkernaddr for relocated kernel */
- sprintf(buf, "%#x", KERNEL_ADDRESS);
- env_set("attkernaddr", buf);
-
- /* initialize omap tags */
- init_omap_tags();
-
- /* reuse atags from previous bootloader */
- reuse_atags();
-
- omap_die_id_display();
- print_cpuinfo();
-
- /*
- * Cortex-A8(r1p0..r1p2) errata 430973 workaround
- * Set IBE bit in Auxiliary Control Register
- *
- * Call this routine only on real secure device
- * Qemu does not implement secure PPA and crash
- */
- if (get_device_type() == HS_DEVICE)
- omap3_update_aux_cr_secure_rx51(1 << 6, 0);
-
- return 0;
-}
-
-static unsigned long int twl_wd_time; /* last time of watchdog reset */
-static unsigned long int twl_i2c_lock;
-
-/*
- * Routine: rx51_watchdog_reset
- * Description: Reset timeout of twl4030 watchdog.
- */
-static int rx51_watchdog_reset(struct udevice *dev)
-{
- u8 timeout = 0;
-
- /* do not reset watchdog too often - max every 4s */
- if (get_timer(twl_wd_time) < 4 * CONFIG_SYS_HZ)
- return 0;
-
- /* localy lock twl4030 i2c bus */
- if (test_and_set_bit(0, &twl_i2c_lock))
- return 0;
-
- /* read actual watchdog timeout */
- twl4030_i2c_read_u8(TWL4030_CHIP_PM_RECEIVER,
- TWL4030_PM_RECEIVER_WATCHDOG_CFG, &timeout);
-
- /* timeout 0 means watchdog is disabled */
- /* reset watchdog timeout to 31s (maximum) */
- if (timeout != 0)
- twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER,
- TWL4030_PM_RECEIVER_WATCHDOG_CFG, 31);
-
- /* store last watchdog reset time */
- twl_wd_time = get_timer(0);
-
- /* localy unlock twl4030 i2c bus */
- test_and_clear_bit(0, &twl_i2c_lock);
-
- return 0;
-}
-
-static int rx51_watchdog_start(struct udevice *dev, u64 timeout_ms, ulong flags)
-{
- return 0;
-}
-
-static int rx51_watchdog_probe(struct udevice *dev)
-{
- return 0;
-}
-
-static const struct wdt_ops rx51_watchdog_ops = {
- .start = rx51_watchdog_start,
- .reset = rx51_watchdog_reset,
-};
-
-U_BOOT_DRIVER(rx51_watchdog) = {
- .name = "rx51_watchdog",
- .id = UCLASS_WDT,
- .ops = &rx51_watchdog_ops,
- .probe = rx51_watchdog_probe,
-};
-
-/*
- * TWL4030 keypad handler for cfb_console
- */
-
-static const char keymap[] = {
- /* normal */
- 'q', 'o', 'p', ',', '\b', 0, 'a', 's',
- 'w', 'd', 'f', 'g', 'h', 'j', 'k', 'l',
- 'e', '.', 0, '\r', 0, 'z', 'x', 'c',
- 'r', 'v', 'b', 'n', 'm', ' ', 0, 0,
- 't', 0, 0, 0, 0, 0, 0, 0,
- 'y', 0, 0, 0, 0, 0, 0, 0,
- 'u', 0, 0, 0, 0, 0, 0, 0,
- 'i', 5, 6, 0, 0, 0, 0, 0,
- /* fn */
- '1', '9', '0', '=', '\b', 0, '*', '+',
- '2', '#', '-', '_', '(', ')', '&', '!',
- '3', '?', '^', '\r', 0, 156, '$', 238,
- '4', '/', '\\', '"', '\'', '@', 0, '<',
- '5', '|', '>', 0, 0, 0, 0, 0,
- '6', 0, 0, 0, 0, 0, 0, 0,
- '7', 0, 0, 0, 0, 0, 0, 0,
- '8', 16, 17, 0, 0, 0, 0, 0,
-};
-
-static u8 keys[8];
-static u8 old_keys[8] = {0, 0, 0, 0, 0, 0, 0, 0};
-#define KEYBUF_SIZE 32
-static u8 keybuf[KEYBUF_SIZE];
-static u8 keybuf_head;
-static u8 keybuf_tail;
-
-/*
- * Routine: rx51_kp_start
- * Description: Initialize HW keyboard.
- */
-static int rx51_kp_start(struct udevice *dev)
-{
- int ret = 0;
- u8 ctrl;
- ret = twl4030_i2c_read_u8(TWL4030_CHIP_KEYPAD,
- TWL4030_KEYPAD_KEYP_CTRL_REG, &ctrl);
-
- if (ret)
- return ret;
-
- /* turn on keyboard and use hardware scanning */
- ctrl |= TWL4030_KEYPAD_CTRL_KBD_ON;
- ctrl |= TWL4030_KEYPAD_CTRL_SOFT_NRST;
- ctrl |= TWL4030_KEYPAD_CTRL_SOFTMODEN;
- ret |= twl4030_i2c_write_u8(TWL4030_CHIP_KEYPAD,
- TWL4030_KEYPAD_KEYP_CTRL_REG, ctrl);
- /* enable key event status */
- ret |= twl4030_i2c_write_u8(TWL4030_CHIP_KEYPAD,
- TWL4030_KEYPAD_KEYP_IMR1, 0xfe);
- /* enable interrupt generation on rising and falling */
- /* this is a workaround for qemu twl4030 emulation */
- ret |= twl4030_i2c_write_u8(TWL4030_CHIP_KEYPAD,
- TWL4030_KEYPAD_KEYP_EDR, 0x57);
- /* enable ISR clear on read */
- ret |= twl4030_i2c_write_u8(TWL4030_CHIP_KEYPAD,
- TWL4030_KEYPAD_KEYP_SIH_CTRL, 0x05);
- return 0;
-}
-
-static void rx51_kp_fill(u8 k, u8 mods)
-{
- /* check if some cursor key without meta fn key was pressed */
- if (!(mods & 2) && (k == 18 || k == 31 || k == 33 || k == 34)) {
- keybuf[keybuf_tail++] = '\e';
- keybuf_tail %= KEYBUF_SIZE;
- keybuf[keybuf_tail++] = '[';
- keybuf_tail %= KEYBUF_SIZE;
- if (k == 18) /* up */
- keybuf[keybuf_tail++] = 'A';
- else if (k == 31) /* left */
- keybuf[keybuf_tail++] = 'D';
- else if (k == 33) /* down */
- keybuf[keybuf_tail++] = 'B';
- else if (k == 34) /* right */
- keybuf[keybuf_tail++] = 'C';
- keybuf_tail %= KEYBUF_SIZE;
- return;
- }
-
- if (mods & 2) { /* fn meta key was pressed */
- k = keymap[k+64];
- } else {
- k = keymap[k];
- if (mods & 1) { /* ctrl key was pressed */
- if (k >= 'a' && k <= 'z')
- k -= 'a' - 1;
- }
- if (mods & 4) { /* shift key was pressed */
- if (k >= 'a' && k <= 'z')
- k += 'A' - 'a';
- else if (k == '.')
- k = ':';
- else if (k == ',')
- k = ';';
- }
- }
- keybuf[keybuf_tail++] = k;
- keybuf_tail %= KEYBUF_SIZE;
-}
-
-/*
- * Routine: rx51_kp_tstc
- * Description: Test if key was pressed (from buffer).
- */
-static int rx51_kp_tstc(struct udevice *dev)
-{
- u8 c, r, dk, i;
- u8 intr;
- u8 mods;
-
- /* localy lock twl4030 i2c bus */
- if (test_and_set_bit(0, &twl_i2c_lock))
- return 0;
-
- /* twl4030 remembers up to 2 events */
- for (i = 0; i < 2; i++) {
-
- /* check interrupt register for events */
- twl4030_i2c_read_u8(TWL4030_CHIP_KEYPAD,
- TWL4030_KEYPAD_KEYP_ISR1 + (2 * i), &intr);
-
- /* no event */
- if (!(intr&1))
- continue;
-
- /* read the key state */
- twl4030_i2c_read(TWL4030_CHIP_KEYPAD,
- TWL4030_KEYPAD_FULL_CODE_7_0, keys, 8);
-
- /* cut out modifier keys from the keystate */
- mods = keys[4] >> 4;
- keys[4] &= 0x0f;
-
- /* space key is indicated by two different bits */
- keys[3] |= (keys[3] & (1 << 6)) >> 1;
- keys[3] &= ~(1 << 6);
-
- for (c = 0; c < 8; c++) {
-
- /* get newly pressed keys only */
- dk = ((keys[c] ^ old_keys[c])&keys[c]);
- old_keys[c] = keys[c];
-
- /* fill the keybuf */
- for (r = 0; r < 8; r++) {
- if (dk&1)
- rx51_kp_fill((c*8)+r, mods);
- dk = dk >> 1;
- }
-
- }
-
- }
-
- /* localy unlock twl4030 i2c bus */
- test_and_clear_bit(0, &twl_i2c_lock);
-
- return (KEYBUF_SIZE + keybuf_tail - keybuf_head)%KEYBUF_SIZE;
-}
-
-/*
- * Routine: rx51_kp_getc
- * Description: Get last pressed key (from buffer).
- */
-static int rx51_kp_getc(struct udevice *dev)
-{
- keybuf_head %= KEYBUF_SIZE;
- while (!rx51_kp_tstc(dev))
- schedule();
- return keybuf[keybuf_head++];
-}
-
-static int rx51_kp_probe(struct udevice *dev)
-{
- struct keyboard_priv *uc_priv = dev_get_uclass_priv(dev);
- struct stdio_dev *sdev = &uc_priv->sdev;
-
- strcpy(sdev->name, "keyboard");
- return input_stdio_register(sdev);
-}
-
-static const struct keyboard_ops rx51_kp_ops = {
- .start = rx51_kp_start,
- .tstc = rx51_kp_tstc,
- .getc = rx51_kp_getc,
-};
-
-U_BOOT_DRIVER(rx51_kp) = {
- .name = "rx51_kp",
- .id = UCLASS_KEYBOARD,
- .probe = rx51_kp_probe,
- .ops = &rx51_kp_ops,
-};
-
-static const struct mmc_config rx51_mmc_cfg = {
- .host_caps = MMC_MODE_4BIT | MMC_MODE_HS_52MHz | MMC_MODE_HS,
- .f_min = 400000,
- .f_max = 52000000,
- .b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT,
- .voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195,
-};
-
-static const struct omap_hsmmc_plat rx51_mmc[] = {
- { rx51_mmc_cfg, (struct hsmmc *)OMAP_HSMMC1_BASE },
- { rx51_mmc_cfg, (struct hsmmc *)OMAP_HSMMC2_BASE },
-};
-
-U_BOOT_DRVINFOS(rx51_mmc) = {
- { "omap_hsmmc", &rx51_mmc[0] },
- { "omap_hsmmc", &rx51_mmc[1] },
-};
-
-static const struct omap_i2c_plat rx51_i2c[] = {
- { I2C_BASE1, 100000, OMAP_I2C_REV_V1 },
- { I2C_BASE2, 100000, OMAP_I2C_REV_V1 },
- { I2C_BASE3, 100000, OMAP_I2C_REV_V1 },
-};
-
-U_BOOT_DRVINFOS(rx51_i2c) = {
- { "i2c_omap", &rx51_i2c[0] },
- { "i2c_omap", &rx51_i2c[1] },
- { "i2c_omap", &rx51_i2c[2] },
-};
-
-U_BOOT_DRVINFOS(rx51_watchdog) = {
- { "rx51_watchdog" },
-};
-
-U_BOOT_DRVINFOS(rx51_video) = {
- { "rx51_video" },
-};
-
-U_BOOT_DRVINFOS(rx51_kp) = {
- { "rx51_kp" },
-};
-
-static const struct ns16550_plat rx51_serial = {
- .base = CFG_SYS_NS16550_COM3,
- .reg_shift = 2,
- .clock = CFG_SYS_NS16550_CLK,
- .fcr = UART_FCR_DEFVAL,
-};
-
-U_BOOT_DRVINFOS(rx51_uart) = {
- { "omap_serial", &rx51_serial },
-};
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-30 02:07:47 +0000