diff options
Diffstat (limited to 'board/st/u8500/init_mmc.c')
| -rw-r--r-- | board/st/u8500/init_mmc.c | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/board/st/u8500/init_mmc.c b/board/st/u8500/init_mmc.c deleted file mode 100644 index fb6470a23..000000000 --- a/board/st/u8500/init_mmc.c +++ /dev/null @@ -1,214 +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" -#include "mmc.h" -#include "init_mmc.h" -#include "gpio.h" -#include "mmc_utils.h" - -#ifdef CONFIG_CMD_FAT -#include <part.h> -#include <fat.h> -#endif - -#define MMC_CARD_NUM 1 -#define EMMC_CARD_NUM 4 -enum { - DEV_EMMC = 0, - DEV_MMC -}; - -static block_dev_desc_t mmc_dev; -static block_dev_desc_t emmc_dev; -static u32 CSD[4]; - -block_dev_desc_t * mmc_get_dev(int dev) -{ - if (dev == DEV_EMMC) - return (block_dev_desc_t *)(&emmc_dev); - else if (dev == DEV_MMC) - return (block_dev_desc_t *)(&mmc_dev); - - printf("mmc_get_dev: unknown dev %d\n", dev); - return 0; -} - -static unsigned long emmc_block_read(int dev, unsigned long blknr, - lbaint_t blkcnt, void *dest) -{ - unsigned long rc; - - rc = mmc_readblocks(EMMC_CARD_NUM, (u32) (512 * blknr), (u32 *)dest, - 512, blkcnt); - if (rc != 0) { - printf("mmc_block_read: readblocks failed %ld\n", rc); - rc = 0; - } else { - rc = blkcnt; - } - return rc; -} - -unsigned long mmc_block_read(int dev, unsigned long blknr, - lbaint_t blkcnt, void *dest) -{ - unsigned long i; - unsigned long src= blknr; - unsigned long rc = 0; - - for(i = 0; i < blkcnt; i++) - { - /* card#, read offset, buffer, blksize, transfer mode */ - mmc_readblock(MMC_CARD_NUM, (u32) (512 * src), - (u32 *)dest, 512, MMCPOLLING); - rc++; - src++; - dest += 512; - } - return rc; -} - -int mmc_hw_init(void) -{ - t_mmc_error response; - - /* save the GPIO0 AFSELA register*/ - gpio_altfuncenable(GPIO_ALT_SD_CARD0, "MMC"); - /* Power-on the controller*/ - response = mmc_enable (); - - if (response != MMC_OK) - { - response = mmc_enable (); - if (response != MMC_OK) - { - printf ("Error in card power on\n"); - goto end; - } - } - /* Initialise the cards on the bus, if any*/ - response = mmc_initCard (); - if (response != MMC_OK) - { - printf ("Error in card initialization\n"); - goto end; - } - response = mmc_readcsd (CSD); - if (response != MMC_OK) - { - printf ("Error while fetching card info\n"); - goto end; - } - - return 0; - end: - return 1; -} - -/* - * mmc_legacy_init - called from commandline mmc init <dev> - * - * Initialise hardware and setup block device structure for fat and ext2 - * commands. - */ -int mmc_legacy_init(int dev) -{ - - if (dev == DEV_EMMC) { - debug("EMMC init\n"); - /* XXX: emmc_init() does write the MBR (called pib)! */ - emmc_init(EMMC_CARD_NUM); - emmc_dev.if_type = IF_TYPE_MMC; - emmc_dev.part_type = PART_TYPE_DOS; - emmc_dev.dev = dev; - emmc_dev.lun = 0; - emmc_dev.type = 0; - emmc_dev.blksz = 512; - emmc_dev.lba = 0x80000; /* XXX: use real size, here 256 MB */ - sprintf((char*)emmc_dev.vendor, "Unknown vendor"); - sprintf((char*)emmc_dev.product, "Unknown product"); - sprintf((char*)emmc_dev.revision, "N/A"); - emmc_dev.removable = 0; - emmc_dev.block_read = emmc_block_read; - return 0; - } else if (dev == DEV_MMC) { - debug("MMC init\n"); - return init_mmc(); - } - - printf("mmc_legacy_init: unsupported device# %d\n", dev); - return -1; -} - -/* ======================================================================== - Name: init_mmc - Description: init multimedia card interface - - ======================================================================== */ -static int init_mmc(void) -{ - t_mmc_error mmc_error; - struct gpio_register * gpio_base_address; - - /* Initialize the base address of MMC-SD */ - mmc_error = mmc_init (0,CFG_MMC_BASE); - - if (MMC_OK != mmc_error) - { - printf("mmc_init():: %d \n", mmc_error); - return 1 ; - } - - if (u8500_is_earlydrop()) { - gpio_base_address = (void *) IO_ADDRESS(CFG_GPIO_0_BASE); - gpio_base_address -> gpio_dats |= 0xFFC0000; - gpio_base_address -> gpio_pdis &= ~0xFFC0000; - } - - if (mmc_hw_init() != 0) { - printf("mmc_init: hw init failed\n"); - return -1; - } - 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 = 512; - mmc_dev.lba = 0x20000; /* XXX: use real size, here 64 MB */ - 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; - mmc_dev.block_read = mmc_block_read; -#ifdef CONFIG_CMD_FAT - if (fat_register_device(&mmc_dev, 1) != 0) { - printf("mmc_init: could not register as FAT device\n"); - } -#endif /* CONFIG_CMD_FAT */ - - return 0; -} - - -/* ------------------------------- End of file ---------------------------- */ |