Nyaaori/rockbox
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Fix the latest iPod Nano 2G NAND issues

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23115 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sparmann 2009-10-11 18:21:15 +00:00
parent b729a7d75e
commit 6cea8c1e1a
1 changed files with 8 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
firmware/target/arm/s5l8700/ipodnano2g/nand-nano2g.c
View file

@ -301,9 +301,8 @@ uint32_t nand_get_chip_type(uint32_t bank)
void nand_power_up(void)
{
unsigned char powerup[2] = {0x15, 1};
uint32_t i;
mutex_lock(&ecc_mtx);
mutex_lock(&nand_mtx);
PWRCONEXT &= ~0x40;
PWRCON &= ~0x100000;
PCON2 = 0x33333333;
@ -314,18 +313,18 @@ void nand_power_up(void)
PDAT4 = 0;
PCON5 = (PCON5 & ~0xF) | 3;
PUNK5 = 1;
pmu_write_multiple(0x35, 2, powerup);
sleep(HZ / 50);
pmu_ldo_set_voltage(4, 0x15);
pmu_ldo_power_on(4);
sleep(HZ / 20);
for (i = 0; i < 4; i++) nand_reset(i);
nand_powered = 1;
mutex_unlock(&ecc_mtx);
mutex_unlock(&nand_mtx);
}
void nand_power_down(void)
{
unsigned char powerdown[2] = {0x15, 0};
mutex_lock(&ecc_mtx);
pmu_write_multiple(0x35, 2, powerdown);
mutex_lock(&nand_mtx);
pmu_ldo_power_off(4);
PCON2 = 0x11111111;
PDAT2 = 0;
PCON3 = 0x11111111;
@ -337,7 +336,7 @@ void nand_power_down(void)
PWRCONEXT |= 0x40;
PWRCON |= 0x100000;
nand_powered = 0;
mutex_unlock(&ecc_mtx);
mutex_unlock(&nand_mtx);
}
uint32_t nand_read_page(uint32_t bank, uint32_t page, void* databuffer,