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Enable debug output of protection register access on SST49LF* chips

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Corresponding to flashrom svn r573.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Myles Watson <mylesgw@gmail.com>
This commit is contained in:
Uwe Hermann 2009-06-05 00:42:18 +00:00
parent 65287d963a
commit 33269a755f
1 changed files with 17 additions and 9 deletions
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26
sst49lfxxxc.c
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@ -38,28 +38,37 @@
#define STATUS_ESS (1 << 6)
#define STATUS_WSMS (1 << 7)
static int write_lockbits_49lfxxxc(chipaddr bios, int size,
unsigned char bits)
static int write_lockbits_49lfxxxc(chipaddr bios, int size, unsigned char bits)
{
int i, left = size;
unsigned long address;
//printf("bios=0x%08lx\n", (unsigned long)bios);
printf_debug("\nbios=0x%08lx\n", bios);
for (i = 0; left > 65536; i++, left -= 65536) {
//printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFC00000 - size + (i * 65536) + 2, *(bios + (i * 65536) + 2) );
printf_debug("lockbits at address=%p is 0x%01x\n",
(void *)(0xffc00000 - size + (i * 65536) + 2),
chip_readb(bios + (i * 65536) + 2));
chip_writeb(bits, bios + (i * 65536) + 2);
}
address = i * 65536;
//printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFc00000 - size + address + 2, *(bios + address + 2) );
printf_debug("lockbits at address=%p is 0x%01x\n",
(void *)(0xffc00000 - size + address + 2),
chip_readb(bios + address + 2));
chip_writeb(bits, bios + address + 2);
address += 32768;
//printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFc00000 - size + address + 2, *(bios + address + 2) );
printf_debug("lockbits at address=%p is 0x%01x\n",
(void *)(0xffc00000 - size + address + 2),
chip_readb(bios + address + 2));
chip_writeb(bits, bios + address + 2);
address += 8192;
//printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFc00000 - size + address + 2, *(bios + address + 2) );
printf_debug("lockbits at address=%p is 0x%01x\n",
(void *)(0xffc00000 - size + address + 2),
chip_readb(bios + address + 2));
chip_writeb(bits, bios + address + 2);
address += 8192;
//printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFc00000 - size + address + 2, *(bios + address + 2) );
printf_debug("lockbits at address=%p is 0x%01x\n",
(void *)(0xffc00000 - size + address + 2),
chip_readb(bios + address + 2));
chip_writeb(bits, bios + address + 2);
return 0;
@ -118,7 +127,6 @@ static int write_sector_49lfxxxc(chipaddr bios, uint8_t *src, chipaddr dst,
int probe_49lfxxxc(struct flashchip *flash)
{
chipaddr bios = flash->virtual_memory;
uint8_t id1, id2;
chip_writeb(RESET, bios);