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Diffstat (limited to 'board/st/u8500/emmc.c')
-rw-r--r--board/st/u8500/emmc.c391
1 files changed, 0 insertions, 391 deletions
diff --git a/board/st/u8500/emmc.c b/board/st/u8500/emmc.c
deleted file mode 100644
index 7336b0334..000000000
--- a/board/st/u8500/emmc.c
+++ /dev/null
@@ -1,391 +0,0 @@
-/*
-* Copyright (C) ST-Ericsson SA 2009
-*
-* 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
-*/
-/* --- includes ----------------------------------------------------------- */
-#include "common.h" /* XXX: Arrgghh! "common.h" includes <common.h> */
-#include <command.h>
-#include "mmc.h"
-#include "emmc.h"
-#include "gpio.h"
-#include <boottime.h>
-
-#define PIB_EMMC_ADDR 0x00
-/* ========================================================================
-Name: init_emmc
-Description: init embedded multimedia card interface
-
-======================================================================== */
-int emmc_init(u8 card_num)
-{
- t_mmc_error mmc_error;
- t_mmc_error response;
- gpio_error gpioerror;
- t_logical_address mmcbase;
- int error;
-
- mmcbase = u8500_is_earlydrop() ? CFG_EMMC_BASE_ED : CFG_EMMC_BASE_V1;
-
-/* Initialize the base address of eMMC */
- mmc_error = mmc_init(card_num, mmcbase);
-
- if (MMC_OK != mmc_error)
- {
- printf("emmc_init() %d \n", mmc_error);
- goto end;
- }
-
- /*
- * FIXME The following code is not required on v1. Check if it is really
- * needed on ED or can be dropped.
- */
- if (u8500_is_earlydrop()) {
-#ifndef CONFIG_U8500_V1
- /* Initialize the gpio alternate function for eMMC */
- struct gpio_register *p_gpio_register = (void *) IO_ADDRESS(CFG_GPIO_6_BASE);
- p_gpio_register -> gpio_dats |= 0x0000FFE0;
- p_gpio_register -> gpio_pdis &= ~0x0000FFE0;
-
- //enable the alternate function of EMMC
- gpioerror = gpio_altfuncenable(GPIO_ALT_EMMC, "EMMC");
- if(gpioerror != GPIO_OK)
- {
- printf("emmc_init() gpio_altfuncenable %d failed\n", gpioerror);
- goto end;
- }
-
-#else
- //enable the alternate function of PoP EMMC
- // gpioerror = gpio_altfuncenable(GPIO_ALT_POP_EMMC, "EMMC");
- gpioerror = gpio_altfuncenable(GPIO_ALT_EMMC, "EMMC");
- if (gpioerror != GPIO_OK) {
- printf("emmc_init() gpio_altfuncenable %d failed \n",
- gpioerror);
- goto end;
- }
-#endif
- }
-
- //Power-on the controller
- response = mmc_poweron(card_num);
- if (response != MMC_OK)
- {
- printf("Error in eMMC power on, response is %d\n",response);
- goto end;
- }
- // Initialise the cards,get CID and CSD on the bus
- response = mmc_initializeCards(card_num);
-
- if (response != MMC_OK)
- {
- printf(" Error in eMMC initialization\n");
- goto end;
- }
-
- error = emmc_write_pib();
- if(error)
- printf("PIB info writing into eMMC failed\n");
- printf("eMMC done\n");
-
- return 0;
-
-end:
- mmc_poweroff(card_num);
- return 1;
-}
-
-struct partition {
- unsigned char boot_ind; /* 0x80 - active */
- unsigned char head; /* starting head */
- unsigned char sector; /* starting sector */
- unsigned char cyl; /* starting cylinder */
- unsigned char sys_ind; /* What partition type */
- unsigned char end_head; /* end head */
- unsigned char end_sector; /* end sector */
- unsigned char end_cyl; /* end cylinder */
- u32 start_sect; /* starting sector counting from 0 */
- u32 nr_sects; /* nr of sectors in partition */
-} __attribute__((packed));
-
-#define PART(type, start, num) \
- { \
- .boot_ind = 0x00, \
- .head = 0x03, \
- .sector = 0xD0, \
- .cyl = 0xff, \
- .sys_ind = type, \
- .end_head = 0x03, \
- .end_sector = 0xd0, \
- .end_cyl = 0xff, \
- .start_sect = start, \
- .nr_sects = num, \
- }
-
-static struct partition partitions_ed[] = {
- [0] = PART(0x83, 0x000A0000, 0x00004000), /* Kernel */
- [1] = PART(0x83, 0x000A4000, 0x00080000), /* Root file system */
- [2] = PART(0x83, 0x00124000, 0x0022c000),
- [3] = PART(0x0c, 0x00350000, 0x00b9a000),
-};
-
-static struct partition partitions_v1[] = {
- [0] = PART(0x83, 0x000A0000, 0x00004000), /* Kernel */
- [1] = PART(0x83, 0x000A4000, 0x00080000), /* Root file system */
- [2] = PART(0x83, 0x00124000, 0x00000800), /* Modem parameters */
- [3] = {0},
-};
-
-#undef PART
-
-int emmc_write_pib(void)
-{
- int i;
- t_mmc_error mmc_error;
- u32 block_offset = PIB_EMMC_ADDR;
- u8 card_num = 4;
- u8 mbr[512];
-
- memset(mbr, 0, 0x1be);
-
- if (u8500_is_earlydrop())
- memcpy(mbr + 0x1be, partitions_ed, sizeof(partitions_ed));
- else
- memcpy(mbr + 0x1be, partitions_v1, sizeof(partitions_v1));
-
- /* magic */
- mbr[0x1fe] = 0x55;
- mbr[0x1ff] = 0xAA;
-
-/* HACK required for HREF board as erase block size = 512KB */
-/*
- mmc_error = mmc_erase(card_num, 0x0, 0x1FF);
- if (mmc_error != MMC_OK) {
- printf(" eMMC erase failed in PIB \n");
- return 1;
- }
-*/
-
- mmc_error =
- mmc_writeblocks(card_num, block_offset, (u32 *) mbr,
- 512, 1);
- if (mmc_error != MMC_OK) {
- printf(" eMMC PIB write failed \n");
- return 1;
- }
- return 0;
-}
-
-int emmc_erase(u32 start, u32 end)
-{
- t_mmc_error mmc_error;
- u8 card_num = 4;
- printf("emmc erase start \n");
- mmc_error = mmc_erase(card_num, start, end);
- if (mmc_error != MMC_OK) {
- printf(" eMMC erase failed \n");
- return 1;
- }
- printf("emmc erase done \n");
- return 0;
-}
-
-int emmc_read(u32 block_offset, u32 read_buffer, u32 filesize)
-{
- t_mmc_error mmc_error;
- u32 remaining;
- u8 card_num = 4;
- u8 *mem_address = (u8 *) read_buffer;
- u32 n=filesize,blocks;
-
- remaining = filesize;
-
- printf(" eMMC read start filesize=0x%x \n", filesize);
-
- blocks = (n%512==0)?(n/512):(n/512)+1;
-
- while(blocks>=8)
- {
- mmc_error = mmc_readblocks(card_num, block_offset, (u32 *) mem_address, 512, 8);
- if (mmc_error != MMC_OK)
- {
- printf(" eMMC read blocks failed \n");
- return 1;
- }
-
- block_offset += 4096;
- mem_address += 4096;
- blocks -=8;
- remaining -= 4096;
- }
- if(blocks)
- {
- mmc_error = mmc_readblocks(card_num, block_offset, (u32 *) mem_address, 512, blocks);
- if (mmc_error != MMC_OK)
- {
- printf(" eMMC read blocks failed \n");
- return 1;
- }
- }
-
- printf(" eMMC read done \n");
- return 0;
-}
-
-int emmc_write(u32 block_offset, u32 write_buffer, u32 filesize)
-{
- t_mmc_error mmc_error;
- u32 remaining;
- u8 card_num = 4;
- u8 *mem_address = (u8 *) write_buffer;
- u32 n=filesize,blocks;
-
- remaining = filesize;
-
- printf(" eMMC write start filesize=0x%x \n", filesize);
-
- blocks = (n%512==0)?(n/512):(n/512)+1;
- while(blocks>=8)
- {
- mmc_error = mmc_writeblocks(card_num, block_offset, (u32 *) mem_address,512, 8);
- if (mmc_error != MMC_OK)
- {
- printf(" eMMC write blocks failed \n");
- return 1;
- }
-
- block_offset += 4096;
- mem_address += 4096;
- blocks -=8;
- remaining -= 4096;
- }
- if(blocks)
- {
-
- mmc_error = mmc_writeblocks(card_num, block_offset, (u32 *) mem_address,512, blocks);
- if (mmc_error != MMC_OK)
- {
- printf(" eMMC write blocks failed \n");
- return 1;
- }
-
- }
-
- printf(" eMMC write done \n");
- return 0;
-}
-
-/*
- * command line commands
- */
-#ifdef CONFIG_CMD_EMMC
-int do_emmc_erase(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- u32 start_address;
- u32 end_address;
- int load_result = 1;
- u32 error_name = 0;
-
- start_address = simple_strtoul(argv[1],0,16);
- end_address = simple_strtoul(argv[2],0,16);
-
- printf("emmc_erase :: start address = %x end_address=0x%x\n",start_address,end_address);
-
- load_result = emmc_erase(start_address,end_address);
- if (load_result != 0)
- {
- error_name = (unsigned long) (-load_result);
- printf("emmc_erase error : failed \n");
- }
- return(0);
-}
-
-U_BOOT_CMD(
- emmc_erase, 3, 0, do_emmc_erase,
- "- erase the eMMC flash \n",
- "start_address- start address of the eMMC block\n"
- "end_address- end address of the eMMC block\n"
-);
-
-int do_emmc_read(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- u32 ram_address;
- u32 block_offset;
- u32 filesize;
- int load_result = 1;
- u32 error_name = 0;
-
- ram_address = simple_strtoul (argv[1],0,16);
- block_offset = simple_strtoul (argv[2],0,16);
- filesize = simple_strtoul (argv[3],0,16);
-
- boottime_tag("load_image");
- printf("emmc_read :: ram address = 0x%x block address=0x%x \n",ram_address,block_offset);
-
- load_result = emmc_read(block_offset,ram_address,filesize);
- if (load_result != 0)
- {
- boottime_remove_last();
- error_name = (unsigned long) (-load_result);
- printf("emmc_read error : in reading data from eMMC block \n");
- }
- return(0);
-}
-
-U_BOOT_CMD(
- emmc_read, 4, 0, do_emmc_read,
- "- read file from emmc flash \n",
- "ram_address - read from eMMC and copy into ram address\n"
- "block_offset - address to read the file from the eMMC block \n"
- "filesize - size of the file \n"
-);
-
-int do_emmc_write(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- u32 ram_address;
- u32 block_offset;
- u32 filesize;
- int load_result = 1;
- u32 error_name = 0;
-
- ram_address = simple_strtoul (argv[1],0,16);
- block_offset = simple_strtoul (argv[2],0,16);
- filesize = simple_strtoul (argv[3],0,16);
-
- printf("emmc_write :: ram address = %x block address=0x%x \n",ram_address,block_offset);
-
- load_result = emmc_write(block_offset,ram_address,filesize);
- if (load_result != 0)
- {
- error_name = (unsigned long) (-load_result);
- printf("emmc_read error : in writing data into eMMC block \n");
- }
- return(0);
-}
-
-U_BOOT_CMD(
- emmc_write, 4, 0, do_emmc_write,
- "- write file from emmc flash \n",
- "ram_address - write to eMMC by copying from ram address\n"
- "block_offset - address to write the file into the eMMC block \n"
- "filesize - size of the file \n"
-);
-
-#endif /* CONFIG_CMD_EMMC */
-/* ------------------------------- End of file ---------------------------- */
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