diff options
Diffstat (limited to 'arch/arm/cpu/arm720t/lpc2292/mmc.c')
| -rw-r--r-- | arch/arm/cpu/arm720t/lpc2292/mmc.c | 131 | 
1 files changed, 0 insertions, 131 deletions
| diff --git a/arch/arm/cpu/arm720t/lpc2292/mmc.c b/arch/arm/cpu/arm720t/lpc2292/mmc.c deleted file mode 100644 index beaffe944..000000000 --- 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 */ |