mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-27 19:03:08 +02:00
remove useless functions in jz_mmc.c:
mmc_block_write, mmc_write, mmc_ident, mmc2info remove auto-generate file: board/xburst/nanonote/config.tmp cleanup the mmc_bread function: since we always read block, no aligned problem. Signed-off-by: Xiangfu Liu <xiangfu@sharism.cc>
This commit is contained in:
Xiangfu Liu
parent
d2f389bd2b
commit
ee76fb4f89
@ -1 +0,0 @@
|
||||
TEXT_BASE = 0x80100000
|
||||
@ -29,10 +29,25 @@
|
||||
#include <asm/jz4740.h>
|
||||
#include "jz_mmc.h"
|
||||
|
||||
#define debug(...) ;
|
||||
|
||||
#define CFG_MMC_BASE 0x80600000
|
||||
static int sd2_0 = 0;
|
||||
static uchar mmc_buf[1024];
|
||||
static int mmc_ready = 0;
|
||||
static int use_4bit; /* Use 4-bit data bus */
|
||||
/*
|
||||
* MMC Events
|
||||
*/
|
||||
#define MMC_EVENT_NONE 0x00 /* No events */
|
||||
#define MMC_EVENT_RX_DATA_DONE 0x01 /* Rx data done */
|
||||
#define MMC_EVENT_TX_DATA_DONE 0x02 /* Tx data done */
|
||||
#define MMC_EVENT_PROG_DONE 0x04 /* Programming is done */
|
||||
|
||||
|
||||
#define MMC_IRQ_MASK() \
|
||||
do { \
|
||||
REG_MSC_IMASK = 0xffff; \
|
||||
REG_MSC_IREG = 0xffff; \
|
||||
} while (0)
|
||||
|
||||
/*
|
||||
* GPIO definition
|
||||
@ -77,7 +92,6 @@ do { \
|
||||
* Local functions
|
||||
*/
|
||||
|
||||
#ifdef CONFIG_MMC
|
||||
extern int
|
||||
fat_register_device(block_dev_desc_t *dev_desc, int part_no);
|
||||
|
||||
@ -88,28 +102,6 @@ block_dev_desc_t * mmc_get_dev(int dev)
|
||||
return ((block_dev_desc_t *)&mmc_dev);
|
||||
}
|
||||
|
||||
/*
|
||||
* FIXME needs to read cid and csd info to determine block size
|
||||
* and other parameters
|
||||
*/
|
||||
static uchar mmc_buf[1024];
|
||||
static int mmc_ready = 0;
|
||||
static int use_4bit; /* Use 4-bit data bus */
|
||||
/*
|
||||
* MMC Events
|
||||
*/
|
||||
#define MMC_EVENT_NONE 0x00 /* No events */
|
||||
#define MMC_EVENT_RX_DATA_DONE 0x01 /* Rx data done */
|
||||
#define MMC_EVENT_TX_DATA_DONE 0x02 /* Tx data done */
|
||||
#define MMC_EVENT_PROG_DONE 0x04 /* Programming is done */
|
||||
|
||||
|
||||
#define MMC_IRQ_MASK() \
|
||||
do { \
|
||||
REG_MSC_IMASK = 0xffff; \
|
||||
REG_MSC_IREG = 0xffff; \
|
||||
} while (0)
|
||||
|
||||
/* Stop the MMC clock and wait while it happens */
|
||||
static inline int jz_mmc_stop_clock(void)
|
||||
{
|
||||
@ -565,165 +557,40 @@ int mmc_block_read(u8 *dst, ulong src, ulong len)
|
||||
goto exit;
|
||||
|
||||
mmc_simple_cmd(&request, MMC_CMD_SET_BLOCKLEN, len, RESPONSE_R1);
|
||||
if ((retval = mmc_unpack_r1(&request, &r1, 0)))
|
||||
if (retval = mmc_unpack_r1(&request, &r1, 0))
|
||||
goto exit;
|
||||
|
||||
if (sd2_0)
|
||||
src /= len;
|
||||
|
||||
mmc_send_cmd(&request, MMC_CMD_READ_SINGLE_BLOCK, src, 1, len, RESPONSE_R1, dst);
|
||||
if ((retval = mmc_unpack_r1(&request, &r1, 0)))
|
||||
if (retval = mmc_unpack_r1(&request, &r1, 0))
|
||||
goto exit;
|
||||
|
||||
exit:
|
||||
return retval;
|
||||
}
|
||||
|
||||
int mmc_block_write(ulong dst, uchar *src, int len)
|
||||
ulong mmc_bread(int dev_num, ulong blkstart, ulong blkcnt, ulong *dst)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
int xburst_mmc_read(u64 src, uchar *dst, int size)
|
||||
{
|
||||
ulong end, part_start, part_end, part_len, aligned_start, aligned_end;
|
||||
ulong mmc_block_size, mmc_block_address;
|
||||
|
||||
if (size == 0) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (!mmc_ready) {
|
||||
printf("Please initial the MMC first\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
debug("---- start %s ---- \n", __func__);
|
||||
|
||||
mmc_block_size = mmcinfo.block_len;
|
||||
mmc_block_address = ~(mmc_block_size - 1);
|
||||
|
||||
end = src + size;
|
||||
part_start = ~mmc_block_address & src;
|
||||
part_end = ~mmc_block_address & end;
|
||||
aligned_start = mmc_block_address & src;
|
||||
aligned_end = mmc_block_address & end;
|
||||
/* all block aligned accesses */
|
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start,
|
||||
aligned_end);
|
||||
|
||||
if (part_start) {
|
||||
part_len = mmc_block_size - part_start;
|
||||
debug("ps src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong) dst, end, part_start, part_end, aligned_start,
|
||||
aligned_end);
|
||||
|
||||
if ((mmc_block_read(mmc_buf, aligned_start, mmc_block_size)) < 0) {
|
||||
int i = 0;
|
||||
ulong src = blkstart * mmcinfo.block_len;
|
||||
ulong dst_tmp = dst;
|
||||
|
||||
for (i = 0; i < blkcnt; i++) {
|
||||
if ((mmc_block_read((uchar *)(dst_tmp), src, mmcinfo.block_len)) < 0)
|
||||
return -1;
|
||||
}
|
||||
memcpy(dst, mmc_buf + part_start, part_len);
|
||||
dst += part_len;
|
||||
src += part_len;
|
||||
|
||||
dst_tmp += mmcinfo.block_len;
|
||||
src += mmcinfo.block_len;
|
||||
}
|
||||
|
||||
for (; src < aligned_end; src += mmc_block_size, dst += mmc_block_size) {
|
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
|
||||
if ((mmc_block_read((uchar *)(dst), src, mmc_block_size)) < 0) {
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
|
||||
if (part_end && src < end) {
|
||||
if ((mmc_block_read(mmc_buf, aligned_end, mmc_block_size)) < 0) {
|
||||
return -1;
|
||||
}
|
||||
memcpy(dst, mmc_buf, part_end);
|
||||
}
|
||||
|
||||
debug("---- end %s ---- \n", __func__);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int mmc_write(uchar *src, ulong dst, int size)
|
||||
{
|
||||
ulong end, part_start, part_end, part_len, aligned_start, aligned_end;
|
||||
ulong mmc_block_size, mmc_block_address;
|
||||
|
||||
if (size == 0) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (!mmc_ready) {
|
||||
printf("MMC card is not ready\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
mmc_block_size = mmcinfo.block_len;
|
||||
mmc_block_address = ~(mmc_block_size - 1);
|
||||
|
||||
dst -= CFG_MMC_BASE;
|
||||
end = dst + size;
|
||||
part_start = ~mmc_block_address & dst;
|
||||
part_end = ~mmc_block_address & end;
|
||||
aligned_start = mmc_block_address & dst;
|
||||
aligned_end = mmc_block_address & end;
|
||||
|
||||
/* all block aligned accesses */
|
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if (part_start) {
|
||||
part_len = mmc_block_size - part_start;
|
||||
debug("ps src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
(ulong)src, dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if ((mmc_block_read(mmc_buf, aligned_start, mmc_block_size)) < 0) {
|
||||
return -1;
|
||||
}
|
||||
memcpy(mmc_buf+part_start, src, part_len);
|
||||
if ((mmc_block_write(aligned_start, mmc_buf, mmc_block_size)) < 0) {
|
||||
return -1;
|
||||
}
|
||||
dst += part_len;
|
||||
src += part_len;
|
||||
}
|
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
for (; dst < aligned_end; src += mmc_block_size, dst += mmc_block_size) {
|
||||
debug("al src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if ((mmc_block_write(dst, (uchar *)src, mmc_block_size)) < 0) {
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
debug("src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if (part_end && dst < end) {
|
||||
debug("pe src %lx dst %lx end %lx pstart %lx pend %lx astart %lx aend %lx\n",
|
||||
src, (ulong)dst, end, part_start, part_end, aligned_start, aligned_end);
|
||||
if ((mmc_block_read(mmc_buf, aligned_end, mmc_block_size)) < 0) {
|
||||
return -1;
|
||||
}
|
||||
memcpy(mmc_buf, src, part_end);
|
||||
if ((mmc_block_write(aligned_end, mmc_buf, mmc_block_size)) < 0) {
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
ulong mmc_bread(int dev_num, ulong blknr, ulong blkcnt, ulong *dst)
|
||||
{
|
||||
int mmc_block_size = mmcinfo.block_len;
|
||||
ulong src = blknr * mmc_block_size ;//+ CFG_MMC_BASE;
|
||||
|
||||
xburst_mmc_read(src, (uchar *)dst, blkcnt*mmc_block_size);
|
||||
return blkcnt;
|
||||
return i;
|
||||
}
|
||||
|
||||
int mmc_select_card(void)
|
||||
@ -1008,23 +875,9 @@ int mmc_legacy_init(int verbose)
|
||||
return 0;
|
||||
}
|
||||
|
||||
int mmc_ident(block_dev_desc_t *dev)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
int mmc2info(ulong addr)
|
||||
{
|
||||
/* FIXME hard codes to 32 MB device */
|
||||
if (addr >= CFG_MMC_BASE && addr < CFG_MMC_BASE + 0x02000000) {
|
||||
return 1;
|
||||
}
|
||||
return 0;;
|
||||
}
|
||||
/*
|
||||
* Debugging functions
|
||||
*/
|
||||
|
||||
static char * mmc_result_strings[] = {
|
||||
"NO_RESPONSE",
|
||||
"NO_ERROR",
|
||||
@ -1326,5 +1179,3 @@ void mmc_send_cmd(struct mmc_request *request, int cmd, u32 arg,
|
||||
|
||||
jz_mmc_exec_cmd(request);
|
||||
}
|
||||
|
||||
#endif /* CONFIG_MMC */
|
||||
|
||||
@ -13,7 +13,6 @@
|
||||
#ifndef __MMC_JZMMC_H__
|
||||
#define __MMC_JZMMC_H__
|
||||
|
||||
#define MMC_DEBUG_LEVEL 0 /* Enable Debug: 0 - no debug */
|
||||
#define ID_TO_RCA(x) ((x)+1)
|
||||
#define MMC_OCR_ARG 0x00ff8000 /* Argument of OCR */
|
||||
|
||||
@ -174,6 +173,4 @@ static inline void mmc_simple_cmd(struct mmc_request *request, int cmd, u32 arg,
|
||||
mmc_send_cmd( request, cmd, arg, 0, 0, rtype, 0);
|
||||
}
|
||||
|
||||
int mmc2info(ulong addr);
|
||||
|
||||
#endif /* __MMC_JZMMC_H__ */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user