diff options
Diffstat (limited to 'arch/arm/cpu/arm720t')
| -rw-r--r-- | arch/arm/cpu/arm720t/cpu.c | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/interrupts.c | 28 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/lpc2292/Makefile | 50 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/lpc2292/flash.c | 249 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/lpc2292/iap_entry.S | 7 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/lpc2292/mmc.c | 131 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/lpc2292/mmc_hw.c | 233 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/lpc2292/mmc_hw.h | 29 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/lpc2292/spi.c | 40 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/start.S | 69 |
10 files changed, 3 insertions, 835 deletions
diff --git a/arch/arm/cpu/arm720t/cpu.c b/arch/arm/cpu/arm720t/cpu.c index ce7b3c9..e25f6f2 100644 --- a/arch/arm/cpu/arm720t/cpu.c +++ b/arch/arm/cpu/arm720t/cpu.c @@ -46,7 +46,7 @@ int cleanup_before_linux (void) * and we set the CPU-speed to 73 MHz - see start.S for details */ -#if defined(CONFIG_NETARM) || defined(CONFIG_S3C4510B) || defined(CONFIG_LPC2292) +#if defined(CONFIG_NETARM) || defined(CONFIG_S3C4510B) disable_interrupts (); /* Nothing more needed */ #elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) diff --git a/arch/arm/cpu/arm720t/interrupts.c b/arch/arm/cpu/arm720t/interrupts.c index c2f898f..5b21cc3 100644 --- a/arch/arm/cpu/arm720t/interrupts.c +++ b/arch/arm/cpu/arm720t/interrupts.c @@ -37,11 +37,6 @@ /* macro to read the 16 bit timer */ #define READ_TIMER (IO_TC1D & 0xffff) -#ifdef CONFIG_LPC2292 -#undef READ_TIMER -#define READ_TIMER (0xFFFFFFFF - GET32(T0TC)) -#endif - #else #define IRQEN (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_INTR_ENABLE)) #define TM2CTRL (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_TIMER2_CONTROL)) @@ -73,13 +68,6 @@ void do_irq (struct pt_regs *pt_regs) } #elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) /* No do_irq() for IntegratorAP/CM720T as yet */ -#elif defined(CONFIG_LPC2292) - - void (*pfnct)(void); - - pfnct = (void (*)(void))VICVectAddr; - - (*pfnct)(); #else #error do_irq() not defined for this CPU type #endif @@ -172,14 +160,6 @@ int timer_init (void) /* Start timer */ SET_REG( REG_TMOD, TM0_RUN); -#elif defined(CONFIG_LPC2292) - PUT32(T0IR, 0); /* disable all timer0 interrupts */ - PUT32(T0TCR, 0); /* disable timer0 */ - PUT32(T0PR, CONFIG_SYS_SYS_CLK_FREQ / CONFIG_SYS_HZ); - PUT32(T0MCR, 0); - PUT32(T0TC, 0); - PUT32(T0TCR, 1); /* enable timer0 */ - #elif defined(CONFIG_TEGRA) /* No timer routines for tegra as yet */ lastdec = 0; @@ -198,7 +178,7 @@ int timer_init (void) */ -#if defined(CONFIG_NETARM) || defined(CONFIG_LPC2292) +#if defined(CONFIG_NETARM) ulong get_timer (ulong base) { @@ -216,12 +196,6 @@ void __udelay (unsigned long usec) tmo += get_timer (0); while (get_timer_masked () < tmo) -#ifdef CONFIG_LPC2292 - /* GJ - not sure whether this is really needed or a misunderstanding */ - __asm__ __volatile__(" nop"); -#else - /*NOP*/; -#endif } ulong get_timer_masked (void) diff --git a/arch/arm/cpu/arm720t/lpc2292/Makefile b/arch/arm/cpu/arm720t/lpc2292/Makefile deleted file mode 100644 index 1b93008..0000000 --- a/arch/arm/cpu/arm720t/lpc2292/Makefile +++ /dev/null @@ -1,50 +0,0 @@ -# -# (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).o - -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) - $(call cmd_link_o_target, $(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/arch/arm/cpu/arm720t/lpc2292/flash.c b/arch/arm/cpu/arm720t/lpc2292/flash.c deleted file mode 100644 index 3d2dc32..0000000 --- a/arch/arm/cpu/arm720t/lpc2292/flash.c +++ /dev/null @@ -1,249 +0,0 @@ -/* - * (C) Copyright 2006 Embedded Artists AB <www.embeddedartists.com> - * - * Modified to remove all but the IAP-command related code by - * Gary Jennejohn <garyj@denx.de> - * - * 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 <common.h> -#include <asm/arch/hardware.h> - -/* 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] = CONFIG_SYS_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] = CONFIG_SYS_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/arch/arm/cpu/arm720t/lpc2292/iap_entry.S b/arch/arm/cpu/arm720t/lpc2292/iap_entry.S deleted file mode 100644 index c31d519..0000000 --- a/arch/arm/cpu/arm720t/lpc2292/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/arch/arm/cpu/arm720t/lpc2292/mmc.c b/arch/arm/cpu/arm720t/lpc2292/mmc.c deleted file mode 100644 index beaffe9..0000000 --- a/arch/arm/cpu/arm720t/lpc2292/mmc.c +++ /dev/null @@ -1,131 +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 <config.h> -#include <common.h> -#include <mmc.h> -#include <asm/errno.h> -#include <asm/arch/hardware.h> -#include <part.h> -#include <fat.h> -#include "mmc_hw.h" -#include <asm/arch/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, - 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_legacy_init(int verbose) -{ - int ret = -ENODEV; - - if (verbose) - printf("mmc_legacy_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; -} - -#endif /* CONFIG_MMC */ diff --git a/arch/arm/cpu/arm720t/lpc2292/mmc_hw.c b/arch/arm/cpu/arm720t/lpc2292/mmc_hw.c deleted file mode 100644 index bd6a5b1..0000000 --- a/arch/arm/cpu/arm720t/lpc2292/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 <config.h> -#include <common.h> -#include <asm/arch/hardware.h> -#include <asm/arch/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 address 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 address 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/arch/arm/cpu/arm720t/lpc2292/mmc_hw.h b/arch/arm/cpu/arm720t/lpc2292/mmc_hw.h deleted file mode 100644 index 3687dbf..0000000 --- a/arch/arm/cpu/arm720t/lpc2292/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/arch/arm/cpu/arm720t/lpc2292/spi.c b/arch/arm/cpu/arm720t/lpc2292/spi.c deleted file mode 100644 index d296bda..0000000 --- a/arch/arm/cpu/arm720t/lpc2292/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 <config.h> -#include <common.h> -#include <asm/errno.h> -#include <asm/arch/hardware.h> -#include <asm/arch/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/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S index 2f914e9..0daf848 100644 --- a/arch/arm/cpu/arm720t/start.S +++ b/arch/arm/cpu/arm720t/start.S @@ -43,11 +43,7 @@ _start: b reset ldr pc, _software_interrupt ldr pc, _prefetch_abort ldr pc, _data_abort -#ifdef CONFIG_LPC2292 - .word 0xB4405F76 /* 2's complement of the checksum of the vectors */ -#else ldr pc, _not_used -#endif ldr pc, _irq ldr pc, _fiq @@ -151,10 +147,6 @@ reset: bl cpu_init_crit #endif -#ifdef CONFIG_LPC2292 - bl lowlevel_init -#endif - /* Set stackpointer in internal RAM to call board_init_f */ call_board_init_f: ldr sp, =(CONFIG_SYS_INIT_SP_ADDR) @@ -291,16 +283,6 @@ _dynsym_start_ofs: ************************************************************************* */ -#if defined(CONFIG_LPC2292) -PLLCFG_ADR: .word PLLCFG -PLLFEED_ADR: .word PLLFEED -PLLCON_ADR: .word PLLCON -PLLSTAT_ADR: .word PLLSTAT -VPBDIV_ADR: .word VPBDIV -MEMMAP_ADR: .word MEMMAP - -#endif - cpu_init_crit: #if defined(CONFIG_NETARM) /* @@ -371,50 +353,6 @@ cpu_init_crit: #elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) /* No specific initialisation for IntegratorAP/CM720T as yet */ -#elif defined(CONFIG_LPC2292) - /* Set-up PLL */ - mov r3, #0xAA - mov r4, #0x55 - /* First disconnect and disable the PLL */ - ldr r0, PLLCON_ADR - mov r1, #0x00 - str r1, [r0] - ldr r0, PLLFEED_ADR /* start feed sequence */ - str r3, [r0] - str r4, [r0] /* feed sequence done */ - /* Set new M and P values */ - ldr r0, PLLCFG_ADR - mov r1, #0x23 /* M=4 and P=2 */ - str r1, [r0] - ldr r0, PLLFEED_ADR /* start feed sequence */ - str r3, [r0] - str r4, [r0] /* feed sequence done */ - /* Then enable the PLL */ - ldr r0, PLLCON_ADR - mov r1, #0x01 /* PLL enable bit */ - str r1, [r0] - ldr r0, PLLFEED_ADR /* start feed sequence */ - str r3, [r0] - str r4, [r0] /* feed sequence done */ - /* Wait for the lock */ - ldr r0, PLLSTAT_ADR - mov r1, #0x400 /* lock bit */ -lock_loop: - ldr r2, [r0] - and r2, r1, r2 - cmp r2, #0 - beq lock_loop - /* And finally connect the PLL */ - ldr r0, PLLCON_ADR - mov r1, #0x03 /* PLL enable bit and connect bit */ - str r1, [r0] - ldr r0, PLLFEED_ADR /* start feed sequence */ - str r3, [r0] - str r4, [r0] /* feed sequence done */ - /* Set-up VPBDIV register */ - ldr r0, VPBDIV_ADR - mov r1, #0x01 /* VPB clock is same as process clock */ - str r1, [r0] #elif defined(CONFIG_TEGRA) /* No cpu_init_crit for tegra as yet */ #else @@ -432,7 +370,7 @@ lock_loop: str r1, [r0] #endif -#if !defined(CONFIG_LPC2292) && !defined(CONFIG_TEGRA) +#if !defined(CONFIG_TEGRA) mov ip, lr /* * before relocating, we have to setup RAM timing @@ -636,11 +574,6 @@ reset_cpu: * on external peripherals such as watchdog timers, etc. */ #elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) /* No specific reset actions for IntegratorAP/CM720T as yet */ -#elif defined(CONFIG_LPC2292) - .align 5 -.globl reset_cpu -reset_cpu: - mov pc, r0 #elif defined(CONFIG_TEGRA) /* No specific reset actions for tegra as yet */ #else |