enable LPC decoding for 1 MB more addresss, for supporting SST49LF00xA/B

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1813 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Li-Ta Lo 2004-12-07 17:19:04 +00:00
parent bb7c3935c9
commit c48822ae91
3 changed files with 8 additions and 12 deletions

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@ -224,10 +224,9 @@ static int enable_flash_amd8111(struct pci_dev *dev, char *name)
* that it is hard to argue that we should quit at this point. * that it is hard to argue that we should quit at this point.
*/ */
//dump_pci_device(dev); /* enable decoding at 0xffb00000 to 0xffffffff */
old = pci_read_byte(dev, 0x43); old = pci_read_byte(dev, 0x43);
new = old | 0x80; new = old | 0xC0;
if (new != old) { if (new != old) {
pci_write_byte(dev, 0x43, new); pci_write_byte(dev, 0x43, new);
if (pci_read_byte(dev, 0x43) != new) { if (pci_read_byte(dev, 0x43) != new) {

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@ -51,7 +51,6 @@
#include "sst_fwhub.h" #include "sst_fwhub.h"
struct flashchip flashchips[] = { struct flashchip flashchips[] = {
#if 1
{"Am29F040B", AMD_ID, AM_29F040B, NULL, 512, 64 * 1024, {"Am29F040B", AMD_ID, AM_29F040B, NULL, 512, 64 * 1024,
probe_29f040b, erase_29f040b, write_29f040b, NULL}, probe_29f040b, erase_29f040b, write_29f040b, NULL},
{"At29C040A", ATMEL_ID, AT_29C040A, NULL, 512, 256, {"At29C040A", ATMEL_ID, AT_29C040A, NULL, 512, 256,
@ -70,18 +69,16 @@ struct flashchip flashchips[] = {
probe_jedec, erase_chip_jedec, write_49lf040,NULL}, probe_jedec, erase_chip_jedec, write_49lf040,NULL},
{"SST49LF080A", SST_ID, SST_49LF080A, NULL, 1024, 4096, {"SST49LF080A", SST_ID, SST_49LF080A, NULL, 1024, 4096,
probe_jedec, erase_chip_jedec, write_49lf040,NULL}, probe_jedec, erase_chip_jedec, write_49lf040,NULL},
{"SST49LF002A", SST_ID, SST_49LF002A, NULL, 256, 4096, {"SST49LF002A/B", SST_ID, SST_49LF002A, NULL, 256, 16 * 1024,
probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub, NULL}, probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub, NULL},
{"SST49LF003A", SST_ID, SST_49LF003A, NULL, 384, 4096, {"SST49LF003A/B", SST_ID, SST_49LF003A, NULL, 384, 64 * 1024,
probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub,NULL}, probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub,NULL},
{"SST49LF004A", SST_ID, SST_49LF004A, NULL, 512, 4096, {"SST49LF004A/B", SST_ID, SST_49LF004A, NULL, 512, 64 * 1024,
probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub,NULL}, probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub,NULL},
{"SST49LF008A", SST_ID, SST_49LF008A, NULL, 1024, 4096, {"SST49LF008A", SST_ID, SST_49LF008A, NULL, 1024, 64 * 1024 ,
probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub, NULL}, probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub, NULL},
#endif
{"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64 * 1024, {"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64 * 1024,
probe_jedec, erase_chip_jedec, write_49fl004,NULL}, probe_jedec, erase_chip_jedec, write_49fl004,NULL},
#if 1
{"W29C011", WINBOND_ID, W_29C011, NULL, 128, 128, {"W29C011", WINBOND_ID, W_29C011, NULL, 128, 128,
probe_jedec, erase_chip_jedec, write_jedec, NULL}, probe_jedec, erase_chip_jedec, write_jedec, NULL},
{"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128, {"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128,
@ -98,7 +95,6 @@ struct flashchip flashchips[] = {
MSYSTEMS_ID, MSYSTEMS_MD2802, MSYSTEMS_ID, MSYSTEMS_MD2802,
NULL, 8, 8 * 1024, NULL, 8, 8 * 1024,
probe_md2802, erase_md2802, write_md2802, read_md2802}, probe_md2802, erase_md2802, write_md2802, read_md2802},
#endif
{NULL,} {NULL,}
}; };

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@ -80,6 +80,7 @@ int probe_sst_fwhub(struct flashchip *flash)
myusec_delay(10); myusec_delay(10);
// we need to mmap the write-protect space. // we need to mmap the write-protect space.
printf("mapping control register at %x\n", 0 - 0x400000 -size);
bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED, bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
flash->fd_mem, (off_t) (0 - 0x400000 - size)); flash->fd_mem, (off_t) (0 - 0x400000 - size));
if (bios == MAP_FAILED) { if (bios == MAP_FAILED) {