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Hopefully fix the remaining iPod Nano 2G flash issues, by adding a tiny sleep after resetting the chip. Also remove some evil tabs.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23489 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sparmann 2009-11-02 22:18:09 +00:00
parent 24c1c75364
commit 890444c917
1 changed files with 13 additions and 12 deletions
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25
firmware/target/arm/s5l8700/ipodnano2g/nand-nano2g.c
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@ -186,6 +186,7 @@ uint32_t nand_reset(uint32_t bank)
if (nand_send_cmd(NAND_CMD_RESET)) return 1; if (nand_send_cmd(NAND_CMD_RESET)) return 1;
if (nand_wait_chip_ready(bank)) return 1; if (nand_wait_chip_ready(bank)) return 1;
FMCTRL1 = FMCTRL1_CLEARRFIFO | FMCTRL1_CLEARWFIFO; FMCTRL1 = FMCTRL1_CLEARRFIFO | FMCTRL1_CLEARWFIFO;
sleep(HZ / 100); /* Some chips seem to need this */
return 0; return 0;
} }
@ -344,11 +345,11 @@ uint32_t nand_read_page(uint32_t bank, uint32_t page, void* databuffer,
void* sparebuffer, uint32_t doecc, void* sparebuffer, uint32_t doecc,
uint32_t checkempty) uint32_t checkempty)
{ {
uint8_t* data = nand_data; uint8_t* data = nand_data;
uint8_t* spare = nand_spare; uint8_t* spare = nand_spare;
if (databuffer && !((uint32_t)databuffer & 0xf)) if (databuffer && !((uint32_t)databuffer & 0xf))
data = (uint8_t*)databuffer; data = (uint8_t*)databuffer;
if (sparebuffer && !((uint32_t)sparebuffer & 0xf)) if (sparebuffer && !((uint32_t)sparebuffer & 0xf))
spare = (uint8_t*)sparebuffer; spare = (uint8_t*)sparebuffer;
mutex_lock(&nand_mtx); mutex_lock(&nand_mtx);
led(true); led(true);
@ -371,7 +372,7 @@ uint32_t nand_read_page(uint32_t bank, uint32_t page, void* databuffer,
{ {
if (nand_transfer_data(bank, 0, spare, 0x40)) if (nand_transfer_data(bank, 0, spare, 0x40))
return nand_unlock(1); return nand_unlock(1);
if (sparebuffer && spare != sparebuffer) if (sparebuffer && spare != sparebuffer)
memcpy(sparebuffer, spare, 0x800); memcpy(sparebuffer, spare, 0x800);
if (checkempty) if (checkempty)
rc = nand_check_empty((uint8_t*)sparebuffer) << 1; rc = nand_check_empty((uint8_t*)sparebuffer) << 1;
@ -401,19 +402,19 @@ uint32_t nand_read_page(uint32_t bank, uint32_t page, void* databuffer,
uint32_t nand_write_page(uint32_t bank, uint32_t page, void* databuffer, uint32_t nand_write_page(uint32_t bank, uint32_t page, void* databuffer,
void* sparebuffer, uint32_t doecc) void* sparebuffer, uint32_t doecc)
{ {
uint8_t* data = nand_data; uint8_t* data = nand_data;
uint8_t* spare = nand_spare; uint8_t* spare = nand_spare;
if (databuffer && !((uint32_t)databuffer & 0xf)) if (databuffer && !((uint32_t)databuffer & 0xf))
data = (uint8_t*)databuffer; data = (uint8_t*)databuffer;
if (sparebuffer && !((uint32_t)sparebuffer & 0xf)) if (sparebuffer && !((uint32_t)sparebuffer & 0xf))
spare = (uint8_t*)sparebuffer; spare = (uint8_t*)sparebuffer;
mutex_lock(&nand_mtx); mutex_lock(&nand_mtx);
led(true); led(true);
if (!nand_powered) nand_power_up(); if (!nand_powered) nand_power_up();
if (sparebuffer) if (sparebuffer)
{ {
if (spare != sparebuffer) memcpy(spare, sparebuffer, 0x40); if (spare != sparebuffer) memcpy(spare, sparebuffer, 0x40);
} }
else memset(spare, 0xFF, 0x40); else memset(spare, 0xFF, 0x40);
if (doecc) if (doecc)
{ {