diff options
Diffstat (limited to 'arch/arm/cpu/pxa')
| -rw-r--r-- | arch/arm/cpu/pxa/Makefile | 14 | ||||
| -rw-r--r-- | arch/arm/cpu/pxa/cache.c | 58 | ||||
| -rw-r--r-- | arch/arm/cpu/pxa/config.mk | 18 | ||||
| -rw-r--r-- | arch/arm/cpu/pxa/cpuinfo.c | 139 | ||||
| -rw-r--r-- | arch/arm/cpu/pxa/pxa2xx.c | 295 | ||||
| -rw-r--r-- | arch/arm/cpu/pxa/relocate.S | 22 | ||||
| -rw-r--r-- | arch/arm/cpu/pxa/start.S | 98 | ||||
| -rw-r--r-- | arch/arm/cpu/pxa/timer.c | 16 | ||||
| -rw-r--r-- | arch/arm/cpu/pxa/usb.c | 89 |
9 files changed, 0 insertions, 749 deletions
diff --git a/arch/arm/cpu/pxa/Makefile b/arch/arm/cpu/pxa/Makefile deleted file mode 100644 index fab77325c7..0000000000 --- a/arch/arm/cpu/pxa/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0+ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. - -extra-y = start.o - -obj-$(CONFIG_CPU_PXA27X) += pxa2xx.o - -obj-y += cpuinfo.o -obj-y += timer.o -obj-y += usb.o -obj-y += relocate.o -obj-y += cache.o diff --git a/arch/arm/cpu/pxa/cache.c b/arch/arm/cpu/pxa/cache.c deleted file mode 100644 index a2ec5e28c7..0000000000 --- a/arch/arm/cpu/pxa/cache.c +++ /dev/null @@ -1,58 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2016 Vasily Khoruzhick <anarsoul@gmail.com> - */ - -#include <cpu_func.h> -#include <asm/cache.h> -#include <linux/types.h> -#include <common.h> - -#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) -void invalidate_dcache_all(void) -{ - /* Flush/Invalidate I cache */ - asm volatile("mcr p15, 0, %0, c7, c5, 0\n" : : "r"(0)); - /* Flush/Invalidate D cache */ - asm volatile("mcr p15, 0, %0, c7, c6, 0\n" : : "r"(0)); -} - -void flush_dcache_all(void) -{ - return invalidate_dcache_all(); -} - -void invalidate_dcache_range(unsigned long start, unsigned long stop) -{ - start &= ~(CONFIG_SYS_CACHELINE_SIZE - 1); - stop &= ~(CONFIG_SYS_CACHELINE_SIZE - 1); - - while (start <= stop) { - asm volatile("mcr p15, 0, %0, c7, c6, 1\n" : : "r"(start)); - start += CONFIG_SYS_CACHELINE_SIZE; - } -} - -void flush_dcache_range(unsigned long start, unsigned long stop) -{ - return invalidate_dcache_range(start, stop); -} -#else /* #if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) */ -void invalidate_dcache_all(void) -{ -} - -void flush_dcache_all(void) -{ -} -#endif /* #if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) */ - -/* - * Stub implementations for l2 cache operations - */ - -__weak void l2_cache_disable(void) {} - -#if CONFIG_IS_ENABLED(SYS_THUMB_BUILD) -__weak void invalidate_l2_cache(void) {} -#endif diff --git a/arch/arm/cpu/pxa/config.mk b/arch/arm/cpu/pxa/config.mk deleted file mode 100644 index e7b183674a..0000000000 --- a/arch/arm/cpu/pxa/config.mk +++ /dev/null @@ -1,18 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0+ -# -# (C) Copyright 2002 -# Sysgo Real-Time Solutions, GmbH <www.elinos.com> -# Marius Groeger <mgroeger@sysgo.de> - -# -# !WARNING! -# The PXA's OneNAND SPL uses .text.0 and .text.1 segments to allow booting from -# really small OneNAND memories where the mmap'd window is only 1KiB big. The -# .text.0 contains only the bare minimum needed to load the real SPL into SRAM. -# Add .text.0 and .text.1 into OBJFLAGS, so when the SPL is being objcopy'd, -# they are not discarded. -# - -#ifdef CONFIG_SPL_BUILD -OBJCOPYFLAGS += -j .text.0 -j .text.1 -#endif diff --git a/arch/arm/cpu/pxa/cpuinfo.c b/arch/arm/cpu/pxa/cpuinfo.c deleted file mode 100644 index 549b61d6e0..0000000000 --- a/arch/arm/cpu/pxa/cpuinfo.c +++ /dev/null @@ -1,139 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * PXA CPU information display - * - * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> - */ - -#include <common.h> -#include <init.h> -#include <asm/io.h> -#include <errno.h> -#include <linux/compiler.h> - -#define CPU_MASK_PXA_PRODID 0x000003f0 -#define CPU_MASK_PXA_REVID 0x0000000f - -#define CPU_MASK_PRODREV (CPU_MASK_PXA_PRODID | CPU_MASK_PXA_REVID) - -#define CPU_VALUE_PXA25X 0x100 -#define CPU_VALUE_PXA27X 0x110 - -static uint32_t pxa_get_cpuid(void) -{ - uint32_t cpuid; - asm volatile("mrc p15, 0, %0, c0, c0, 0" : "=r"(cpuid)); - return cpuid; -} - -int cpu_is_pxa25x(void) -{ - uint32_t id = pxa_get_cpuid(); - id &= CPU_MASK_PXA_PRODID; - return id == CPU_VALUE_PXA25X; -} - -int cpu_is_pxa27x(void) -{ - uint32_t id = pxa_get_cpuid(); - id &= CPU_MASK_PXA_PRODID; - return id == CPU_VALUE_PXA27X; -} - -int cpu_is_pxa27xm(void) -{ - uint32_t id = pxa_get_cpuid(); - return ((id & CPU_MASK_PXA_PRODID) == CPU_VALUE_PXA27X) && - ((id & CPU_MASK_PXA_REVID) == 8); -} - -uint32_t pxa_get_cpu_revision(void) -{ - return pxa_get_cpuid() & CPU_MASK_PRODREV; -} - -#ifdef CONFIG_DISPLAY_CPUINFO -static const char *pxa25x_get_revision(void) -{ - static __maybe_unused const char * const revs_25x[] = { "A0" }; - static __maybe_unused const char * const revs_26x[] = { - "A0", "B0", "B1" - }; - static const char *unknown = "Unknown"; - uint32_t id; - - if (!cpu_is_pxa25x()) - return unknown; - - id = pxa_get_cpuid() & CPU_MASK_PXA_REVID; - -/* PXA26x is a sick special case as it can't be told apart from PXA25x :-( */ -#ifdef CONFIG_CPU_PXA26X - switch (id) { - case 3: return revs_26x[0]; - case 5: return revs_26x[1]; - case 6: return revs_26x[2]; - } -#else - if (id == 6) - return revs_25x[0]; -#endif - return unknown; -} - -static const char *pxa27x_get_revision(void) -{ - static const char *const rev[] = { "A0", "A1", "B0", "B1", "C0", "C5" }; - static const char *unknown = "Unknown"; - uint32_t id; - - if (!cpu_is_pxa27x()) - return unknown; - - id = pxa_get_cpuid() & CPU_MASK_PXA_REVID; - - if ((id == 5) || (id == 6) || (id > 8)) - return unknown; - - /* Cap the special PXA270 C5 case. */ - if (id == 7) - id = 5; - - /* Cap the special PXA270M A1 case. */ - if (id == 8) - id = 1; - - return rev[id]; -} - -static int print_cpuinfo_pxa2xx(void) -{ - if (cpu_is_pxa25x()) { - puts("Marvell PXA25x rev. "); - puts(pxa25x_get_revision()); - } else if (cpu_is_pxa27x()) { - puts("Marvell PXA27x"); - if (cpu_is_pxa27xm()) puts("M"); - puts(" rev. "); - puts(pxa27x_get_revision()); - } else - return -EINVAL; - - puts("\n"); - - return 0; -} - -int print_cpuinfo(void) -{ - int ret; - - puts("CPU: "); - - ret = print_cpuinfo_pxa2xx(); - if (!ret) - return ret; - - return ret; -} -#endif diff --git a/arch/arm/cpu/pxa/pxa2xx.c b/arch/arm/cpu/pxa/pxa2xx.c deleted file mode 100644 index c7efb67754..0000000000 --- a/arch/arm/cpu/pxa/pxa2xx.c +++ /dev/null @@ -1,295 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - */ - -#include <common.h> -#include <cpu_func.h> -#include <init.h> -#include <irq_func.h> -#include <asm/arch/pxa-regs.h> -#include <asm/cache.h> -#include <asm/io.h> -#include <asm/system.h> -#include <command.h> - -/* Flush I/D-cache */ -static void cache_flush(void) -{ - unsigned long i = 0; - - asm ("mcr p15, 0, %0, c7, c5, 0" : : "r" (i)); -} - -int cleanup_before_linux(void) -{ - /* - * This function is called just before we call Linux. It prepares - * the processor for Linux by just disabling everything that can - * disturb booting Linux. - */ - - disable_interrupts(); - icache_disable(); - dcache_disable(); - cache_flush(); - - return 0; -} - -inline void writelrb(uint32_t val, uint32_t addr) -{ - writel(val, addr); - asm volatile("" : : : "memory"); - readl(addr); - asm volatile("" : : : "memory"); -} - -void pxa2xx_dram_init(void) -{ - uint32_t tmp; - int i; - /* - * 1) Initialize Asynchronous static memory controller - */ - - writelrb(CONFIG_SYS_MSC0_VAL, MSC0); - writelrb(CONFIG_SYS_MSC1_VAL, MSC1); - writelrb(CONFIG_SYS_MSC2_VAL, MSC2); - /* - * 2) Initialize Card Interface - */ - - /* MECR: Memory Expansion Card Register */ - writelrb(CONFIG_SYS_MECR_VAL, MECR); - /* MCMEM0: Card Interface slot 0 timing */ - writelrb(CONFIG_SYS_MCMEM0_VAL, MCMEM0); - /* MCMEM1: Card Interface slot 1 timing */ - writelrb(CONFIG_SYS_MCMEM1_VAL, MCMEM1); - /* MCATT0: Card Interface Attribute Space Timing, slot 0 */ - writelrb(CONFIG_SYS_MCATT0_VAL, MCATT0); - /* MCATT1: Card Interface Attribute Space Timing, slot 1 */ - writelrb(CONFIG_SYS_MCATT1_VAL, MCATT1); - /* MCIO0: Card Interface I/O Space Timing, slot 0 */ - writelrb(CONFIG_SYS_MCIO0_VAL, MCIO0); - /* MCIO1: Card Interface I/O Space Timing, slot 1 */ - writelrb(CONFIG_SYS_MCIO1_VAL, MCIO1); - - /* - * 3) Configure Fly-By DMA register - */ - - writelrb(CONFIG_SYS_FLYCNFG_VAL, FLYCNFG); - - /* - * 4) Initialize Timing for Sync Memory (SDCLK0) - */ - - /* - * Before accessing MDREFR we need a valid DRI field, so we set - * this to power on defaults + DRI field. - */ - - /* Read current MDREFR config and zero out DRI */ - tmp = readl(MDREFR) & ~0xfff; - /* Add user-specified DRI */ - tmp |= CONFIG_SYS_MDREFR_VAL & 0xfff; - /* Configure important bits */ - tmp |= MDREFR_K0RUN | MDREFR_SLFRSH; - tmp &= ~(MDREFR_APD | MDREFR_E1PIN); - - /* Write MDREFR back */ - writelrb(tmp, MDREFR); - - /* - * 5) Initialize Synchronous Static Memory (Flash/Peripherals) - */ - - /* Initialize SXCNFG register. Assert the enable bits. - * - * Write SXMRS to cause an MRS command to all enabled banks of - * synchronous static memory. Note that SXLCR need not be written - * at this time. - */ - writelrb(CONFIG_SYS_SXCNFG_VAL, SXCNFG); - - /* - * 6) Initialize SDRAM - */ - - writelrb(CONFIG_SYS_MDREFR_VAL & ~MDREFR_SLFRSH, MDREFR); - writelrb(CONFIG_SYS_MDREFR_VAL | MDREFR_E1PIN, MDREFR); - - /* - * 7) Write MDCNFG with MDCNFG:DEx deasserted (set to 0), to configure - * but not enable each SDRAM partition pair. - */ - - writelrb(CONFIG_SYS_MDCNFG_VAL & - ~(MDCNFG_DE0 | MDCNFG_DE1 | MDCNFG_DE2 | MDCNFG_DE3), MDCNFG); - - /* Wait for the clock to the SDRAMs to stabilize, 100..200 usec. */ - writel(0, OSCR); - while (readl(OSCR) < 0x300) - asm volatile("" : : : "memory"); - - /* - * 8) Trigger a number (usually 8) refresh cycles by attempting - * non-burst read or write accesses to disabled SDRAM, as commonly - * specified in the power up sequence documented in SDRAM data - * sheets. The address(es) used for this purpose must not be - * cacheable. - */ - for (i = 9; i >= 0; i--) { - writel(i, 0xa0000000); - asm volatile("" : : : "memory"); - } - /* - * 9) Write MDCNFG with enable bits asserted (MDCNFG:DEx set to 1). - */ - - tmp = CONFIG_SYS_MDCNFG_VAL & - (MDCNFG_DE0 | MDCNFG_DE1 | MDCNFG_DE2 | MDCNFG_DE3); - tmp |= readl(MDCNFG); - writelrb(tmp, MDCNFG); - - /* - * 10) Write MDMRS. - */ - - writelrb(CONFIG_SYS_MDMRS_VAL, MDMRS); - - /* - * 11) Enable APD - */ - - if (CONFIG_SYS_MDREFR_VAL & MDREFR_APD) { - tmp = readl(MDREFR); - tmp |= MDREFR_APD; - writelrb(tmp, MDREFR); - } -} - -void pxa_gpio_setup(void) -{ - writel(CONFIG_SYS_GPSR0_VAL, GPSR0); - writel(CONFIG_SYS_GPSR1_VAL, GPSR1); - writel(CONFIG_SYS_GPSR2_VAL, GPSR2); -#if defined(CONFIG_CPU_PXA27X) - writel(CONFIG_SYS_GPSR3_VAL, GPSR3); -#endif - - writel(CONFIG_SYS_GPCR0_VAL, GPCR0); - writel(CONFIG_SYS_GPCR1_VAL, GPCR1); - writel(CONFIG_SYS_GPCR2_VAL, GPCR2); -#if defined(CONFIG_CPU_PXA27X) - writel(CONFIG_SYS_GPCR3_VAL, GPCR3); -#endif - - writel(CONFIG_SYS_GPDR0_VAL, GPDR0); - writel(CONFIG_SYS_GPDR1_VAL, GPDR1); - writel(CONFIG_SYS_GPDR2_VAL, GPDR2); -#if defined(CONFIG_CPU_PXA27X) - writel(CONFIG_SYS_GPDR3_VAL, GPDR3); -#endif - - writel(CONFIG_SYS_GAFR0_L_VAL, GAFR0_L); - writel(CONFIG_SYS_GAFR0_U_VAL, GAFR0_U); - writel(CONFIG_SYS_GAFR1_L_VAL, GAFR1_L); - writel(CONFIG_SYS_GAFR1_U_VAL, GAFR1_U); - writel(CONFIG_SYS_GAFR2_L_VAL, GAFR2_L); - writel(CONFIG_SYS_GAFR2_U_VAL, GAFR2_U); -#if defined(CONFIG_CPU_PXA27X) - writel(CONFIG_SYS_GAFR3_L_VAL, GAFR3_L); - writel(CONFIG_SYS_GAFR3_U_VAL, GAFR3_U); -#endif - - writel(CONFIG_SYS_PSSR_VAL, PSSR); -} - -void pxa_interrupt_setup(void) -{ - writel(0, ICLR); - writel(0, ICMR); -#if defined(CONFIG_CPU_PXA27X) - writel(0, ICLR2); - writel(0, ICMR2); -#endif -} - -void pxa_clock_setup(void) -{ - writel(CONFIG_SYS_CKEN, CKEN); - writel(CONFIG_SYS_CCCR, CCCR); - asm volatile("mcr p14, 0, %0, c6, c0, 0" : : "r"(0x0b)); - - /* enable the 32Khz oscillator for RTC and PowerManager */ - writel(OSCC_OON, OSCC); - while (!(readl(OSCC) & OSCC_OOK)) - asm volatile("" : : : "memory"); -} - -void pxa_wakeup(void) -{ - uint32_t rcsr; - - rcsr = readl(RCSR); - writel(rcsr & (RCSR_GPR | RCSR_SMR | RCSR_WDR | RCSR_HWR), RCSR); - - /* Wakeup */ - if (rcsr & RCSR_SMR) { - writel(PSSR_PH, PSSR); - pxa2xx_dram_init(); - icache_disable(); - dcache_disable(); - asm volatile("mov pc, %0" : : "r"(readl(PSPR))); - } -} - -int arch_cpu_init(void) -{ - pxa_gpio_setup(); - pxa_wakeup(); - pxa_interrupt_setup(); - pxa_clock_setup(); - return 0; -} - -void i2c_clk_enable(void) -{ - /* Set the global I2C clock on */ - writel(readl(CKEN) | CKEN14_I2C, CKEN); -} - -void __attribute__((weak)) reset_cpu(void) __attribute__((noreturn)); - -void reset_cpu(void) -{ - uint32_t tmp; - - setbits_le32(OWER, OWER_WME); - - tmp = readl(OSCR); - tmp += 0x1000; - writel(tmp, OSMR3); - writel(MDREFR_SLFRSH, MDREFR); - - for (;;) - ; -} - -void enable_caches(void) -{ -#if !CONFIG_IS_ENABLED(SYS_ICACHE_OFF) - icache_enable(); -#endif -#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) - dcache_enable(); -#endif -} diff --git a/arch/arm/cpu/pxa/relocate.S b/arch/arm/cpu/pxa/relocate.S deleted file mode 100644 index 778cd45e9c..0000000000 --- a/arch/arm/cpu/pxa/relocate.S +++ /dev/null @@ -1,22 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * relocate - PXA270 vector relocation - * - * Copyright (c) 2013 Albert ARIBAUD <albert.u.boot@aribaud.net> - */ - -#include <linux/linkage.h> - -/* - * The PXA SoC is very specific with respect to exceptions: it - * does not provide RAM at the high vectors address (0xFFFF0000), - * thus only the low address (0x00000000) is useable; but that is - * in ROM, so let's avoid relocating the vectors. - */ - .section .text.relocate_vectors,"ax",%progbits - -ENTRY(relocate_vectors) - - bx lr - -ENDPROC(relocate_vectors) diff --git a/arch/arm/cpu/pxa/start.S b/arch/arm/cpu/pxa/start.S deleted file mode 100644 index ab7bcb4e56..0000000000 --- a/arch/arm/cpu/pxa/start.S +++ /dev/null @@ -1,98 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * armboot - Startup Code for XScale CPU-core - * - * Copyright (C) 1998 Dan Malek <dmalek@jlc.net> - * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se> - * Copyright (C) 2000 Wolfgang Denk <wd@denx.de> - * Copyright (C) 2001 Alex Zuepke <azu@sysgo.de> - * Copyright (C) 2001 Marius Groger <mag@sysgo.de> - * Copyright (C) 2002 Alex Zupke <azu@sysgo.de> - * Copyright (C) 2002 Gary Jennejohn <garyj@denx.de> - * Copyright (C) 2002 Kyle Harris <kharris@nexus-tech.net> - * Copyright (C) 2003 Kai-Uwe Bloem <kai-uwe.bloem@auerswald.de> - * Copyright (C) 2003 Kshitij <kshitij@ti.com> - * Copyright (C) 2003 Richard Woodruff <r-woodruff2@ti.com> - * Copyright (C) 2003 Robert Schwebel <r.schwebel@pengutronix.de> - * Copyright (C) 2004 Texas Instruments <r-woodruff2@ti.com> - * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com> - */ - -#include <asm-offsets.h> -#include <config.h> - -/* - ************************************************************************* - * - * Startup Code (reset vector) - * - * do important init only if we don't start from memory! - * setup Memory and board specific bits prior to relocation. - * relocate armboot to ram - * setup stack - * - ************************************************************************* - */ - - .globl reset - -reset: - /* - * set the cpu to SVC32 mode - */ - mrs r0,cpsr - bic r0,r0,#0x1f - orr r0,r0,#0xd3 - msr cpsr,r0 - -#if !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT) - bl cpu_init_crit -#endif - -#ifdef CONFIG_CPU_PXA27X - /* - * enable clock for SRAM - */ - ldr r0,=CKEN - ldr r1,[r0] - orr r1,r1,#(1 << 20) - str r1,[r0] -#endif - bl _main - -/*------------------------------------------------------------------------------*/ - - .globl c_runtime_cpu_setup -c_runtime_cpu_setup: - bx lr - -/* - ************************************************************************* - * - * CPU_init_critical registers - * - * setup important registers - * setup memory timing - * - ************************************************************************* - */ -#if !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT) -cpu_init_crit: - /* - * flush v4 I/D caches - */ - mov r0, #0 - mcr p15, 0, r0, c7, c7, 0 /* Invalidate I+D+BTB caches */ - mcr p15, 0, r0, c8, c7, 0 /* Invalidate Unified TLB */ - - /* - * disable MMU stuff and caches - */ - mrc p15, 0, r0, c1, c0, 0 - bic r0, r0, #0x00003300 @ clear bits 13:12, 9:8 (--VI --RS) - bic r0, r0, #0x00000087 @ clear bits 7, 2:0 (B--- -CAM) - orr r0, r0, #0x00000002 @ set bit 1 (A) Align - mcr p15, 0, r0, c1, c0, 0 - - mov pc, lr /* back to my caller */ -#endif /* !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT) */ diff --git a/arch/arm/cpu/pxa/timer.c b/arch/arm/cpu/pxa/timer.c deleted file mode 100644 index 8e9d610441..0000000000 --- a/arch/arm/cpu/pxa/timer.c +++ /dev/null @@ -1,16 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Marvell PXA2xx/3xx timer driver - * - * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> - */ - -#include <common.h> -#include <init.h> -#include <asm/io.h> - -int timer_init(void) -{ - writel(0, CONFIG_SYS_TIMER_COUNTER); - return 0; -} diff --git a/arch/arm/cpu/pxa/usb.c b/arch/arm/cpu/pxa/usb.c deleted file mode 100644 index 13e010d91e..0000000000 --- a/arch/arm/cpu/pxa/usb.c +++ /dev/null @@ -1,89 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2006 - * Markus Klotzbuecher, DENX Software Engineering <mk@denx.de> - */ - -#include <common.h> -#include <linux/delay.h> - -#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) -# if defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_CPU_PXA27X) - -#include <asm/arch/pxa-regs.h> -#include <asm/io.h> -#include <usb.h> - -int usb_cpu_init(void) -{ -#if defined(CONFIG_CPU_MONAHANS) - /* Enable USB host clock. */ - writel(readl(CKENA) | CKENA_2_USBHOST | CKENA_20_UDC, CKENA); - udelay(100); -#endif -#if defined(CONFIG_CPU_PXA27X) - /* Enable USB host clock. */ - writel(readl(CKEN) | CKEN10_USBHOST, CKEN); -#endif - -#if defined(CONFIG_CPU_MONAHANS) - /* Configure Port 2 for Host (USB Client Registers) */ - writel(0x3000c, UP2OCR); -#endif - - writel(readl(UHCHR) | UHCHR_FHR, UHCHR); - mdelay(11); - writel(readl(UHCHR) & ~UHCHR_FHR, UHCHR); - - writel(readl(UHCHR) | UHCHR_FSBIR, UHCHR); - while (readl(UHCHR) & UHCHR_FSBIR) - udelay(1); - -#if defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_PXA27X) - writel(readl(UHCHR) & ~UHCHR_SSEP0, UHCHR); -#endif -#if defined(CONFIG_CPU_PXA27X) - writel(readl(UHCHR) & ~UHCHR_SSEP2, UHCHR); -#endif - writel(readl(UHCHR) & ~(UHCHR_SSEP1 | UHCHR_SSE), UHCHR); - - return 0; -} - -int usb_cpu_stop(void) -{ - writel(readl(UHCHR) | UHCHR_FHR, UHCHR); - udelay(11); - writel(readl(UHCHR) & ~UHCHR_FHR, UHCHR); - - writel(readl(UHCCOMS) | UHCCOMS_HCR, UHCCOMS); - udelay(10); - -#if defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_PXA27X) - writel(readl(UHCHR) | UHCHR_SSEP0, UHCHR); -#endif -#if defined(CONFIG_CPU_PXA27X) - writel(readl(UHCHR) | UHCHR_SSEP2, UHCHR); -#endif - writel(readl(UHCHR) | UHCHR_SSEP1 | UHCHR_SSE, UHCHR); - -#if defined(CONFIG_CPU_MONAHANS) - /* Disable USB host clock. */ - writel(readl(CKENA) & ~(CKENA_2_USBHOST | CKENA_20_UDC), CKENA); - udelay(100); -#endif -#if defined(CONFIG_CPU_PXA27X) - /* Disable USB host clock. */ - writel(readl(CKEN) & ~CKEN10_USBHOST, CKEN); -#endif - - return 0; -} - -int usb_cpu_init_fail(void) -{ - return usb_cpu_stop(); -} - -# endif /* defined(CONFIG_CPU_MONAHANS) || defined(CONFIG_CPU_PXA27X) */ -#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */ |