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-rw-r--r--flash_rom.c84
1 files changed, 80 insertions, 4 deletions
diff --git a/flash_rom.c b/flash_rom.c
index a13d48b..b063b3c 100644
--- a/flash_rom.c
+++ b/flash_rom.c
@@ -46,10 +46,12 @@
#include "sst28sf040.h"
#include "w49f002u.h"
#include "sst39sf020.h"
+#include "pm49fl004.h"
#include "mx29f002.h"
struct flashchip flashchips[] = {
- {"Am29F040B", AMD_ID, AM_29F040B, NULL, 512, 64*1024,
+#if 1
+ {"Am29F040B", AMD_ID, AM_29F040B, NULL, 512, 64*1024,
probe_29f040b, erase_29f040b, write_29f040b, NULL},
{"At29C040A", ATMEL_ID, AT_29C040A, NULL, 512, 256,
probe_jedec, erase_jedec, write_jedec, NULL},
@@ -63,6 +65,12 @@ struct flashchip flashchips[] = {
probe_39sf020, erase_39sf020, write_39sf020, NULL},
{"SST39VF020", SST_ID, SST_39VF020, NULL, 256, 4096,
probe_39sf020, erase_39sf020, write_39sf020, NULL},
+#endif
+//By LYH begin
+ {"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64*1024,
+ probe_49fl004, erase_49fl004, write_49fl004, NULL},
+//END
+#if 1
{"W29C011", WINBOND_ID, W_29C011, NULL, 128, 128,
probe_jedec, erase_jedec, write_jedec, NULL},
{"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128,
@@ -80,10 +88,11 @@ struct flashchip flashchips[] = {
NULL, 8, 8*1024,
probe_md2802, erase_md2802, write_md2802, read_md2802},
{NULL,}
+#endif
};
char *chip_to_probe = NULL;
-
+#if 1
int enable_flash_sis630 (struct pci_dev *dev, char *name)
{
char b;
@@ -271,6 +280,71 @@ enable_flash_sis5595(struct pci_dev *dev, char *name) {
}
return 0;
}
+#endif
+//BY LYH
+#if 0
+static void dump_pci_device(struct pci_dev *dev)
+{
+ int i;
+
+ printf("\n");
+ for(i = 0; i <= 255; i++) {
+ unsigned char val;
+ if ((i & 0x0f) == 0) {
+ printf("0x%02x:",i);
+ }
+ val = pci_read_byte(dev, i);
+ printf(" 0x%02x",val);
+ if ((i & 0x0f) == 0x0f) {
+ printf("\r\n");
+ }
+ }
+}
+
+#endif
+
+int
+enable_flash_amd8111(struct pci_dev *dev, char *name) {
+ /* register 4e.b gets or'ed with one */
+ unsigned char old, new;
+ /* if it fails, it fails. There are so many variations of broken mobos
+ * that it is hard to argue that we should quit at this point.
+ */
+
+// dump_pci_device(dev);
+
+ old = pci_read_byte(dev, 0x43);
+
+ new = old | 0x80;
+
+ if (new != old) {
+
+ pci_write_byte(dev, 0x43, new);
+
+ if (pci_read_byte(dev, 0x43) != new) {
+ printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
+ 0x43, new, name);
+ }
+ }
+
+
+ old = pci_read_byte(dev, 0x40);
+
+ new = old | 0x01;
+
+ if (new == old)
+ return 0;
+
+ pci_write_byte(dev, 0x40, new);
+
+ if (pci_read_byte(dev, 0x40) != new) {
+ printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
+ 0x40, new, name);
+ return -1;
+ }
+ return 0;
+}
+//By LYH END
struct flashchip * probe_flash(struct flashchip * flash)
{
@@ -299,7 +373,7 @@ struct flashchip * probe_flash(struct flashchip * flash)
flash->total_size * 1024, (unsigned long)size);
}
bios = mmap (0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
- fd_mem, (off_t) (0 - size));
+ fd_mem, (off_t) (0-size));
if (bios == MAP_FAILED) {
perror("Error MMAP /dev/mem");
exit(1);
@@ -393,7 +467,7 @@ typedef struct penable {
} FLASH_ENABLE;
FLASH_ENABLE enables[] = {
-
+#if 1
{0x1, 0x1, "sis630 -- what's the ID?", enable_flash_sis630},
{0x8086, 0x2480, "E7500", enable_flash_e7500},
{0x1106, 0x8231, "VT8231", enable_flash_vt8231},
@@ -401,6 +475,8 @@ FLASH_ENABLE enables[] = {
{0x1078, 0x0100, "CS5530", enable_flash_cs5530},
{0x100b, 0x0510, "SC1100", enable_flash_sc1100},
{0x1039, 0x8, "SIS5595", enable_flash_sis5595},
+#endif
+ {0x1022, 0x7468, "AMD8111", enable_flash_amd8111},
};
int
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