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-rw-r--r--drivers/ssb/pci.c9
-rw-r--r--include/linux/ssb/ssb.h1
-rw-r--r--include/linux/ssb/ssb_regs.h3
3 files changed, 9 insertions, 4 deletions
diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c
index a4b2b99f2c80..5bb1278759c1 100644
--- a/drivers/ssb/pci.c
+++ b/drivers/ssb/pci.c
@@ -167,7 +167,7 @@ err_pci:
}
/* Get the word-offset for a SSB_SPROM_XXX define. */
-#define SPOFF(offset) (((offset) - SSB_SPROM_BASE) / sizeof(u16))
+#define SPOFF(offset) (((offset) - SSB_SPROM_BASE1) / sizeof(u16))
/* Helper to extract some _offset, which is one of the SSB_SPROM_XXX defines. */
#define SPEX16(_outvar, _offset, _mask, _shift) \
out->_outvar = ((in[SPOFF(_offset)] & (_mask)) >> (_shift))
@@ -253,7 +253,7 @@ static int sprom_do_read(struct ssb_bus *bus, u16 *sprom)
int i;
for (i = 0; i < bus->sprom_size; i++)
- sprom[i] = ioread16(bus->mmio + SSB_SPROM_BASE + (i * 2));
+ sprom[i] = ioread16(bus->mmio + bus->sprom_offset + (i * 2));
return 0;
}
@@ -284,7 +284,7 @@ static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom)
ssb_printk("75%%");
else if (i % 2)
ssb_printk(".");
- writew(sprom[i], bus->mmio + SSB_SPROM_BASE + (i * 2));
+ writew(sprom[i], bus->mmio + bus->sprom_offset + (i * 2));
mmiowb();
msleep(20);
}
@@ -625,6 +625,9 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus,
return -ENODEV;
}
+ bus->sprom_offset = (bus->chipco.dev->id.revision < 31) ?
+ SSB_SPROM_BASE1 : SSB_SPROM_BASE31;
+
buf = kcalloc(SSB_SPROMSIZE_WORDS_R123, sizeof(u16), GFP_KERNEL);
if (!buf)
goto out;
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
index 3b4da233e31d..a2608bff9c78 100644
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -305,6 +305,7 @@ struct ssb_bus {
/* ID information about the Chip. */
u16 chip_id;
u16 chip_rev;
+ u16 sprom_offset;
u16 sprom_size; /* number of words in sprom */
u8 chip_package;
diff --git a/include/linux/ssb/ssb_regs.h b/include/linux/ssb/ssb_regs.h
index 9ae9082eaeb4..b8be23ce1915 100644
--- a/include/linux/ssb/ssb_regs.h
+++ b/include/linux/ssb/ssb_regs.h
@@ -170,7 +170,8 @@
#define SSB_SPROMSIZE_WORDS_R4 220
#define SSB_SPROMSIZE_BYTES_R123 (SSB_SPROMSIZE_WORDS_R123 * sizeof(u16))
#define SSB_SPROMSIZE_BYTES_R4 (SSB_SPROMSIZE_WORDS_R4 * sizeof(u16))
-#define SSB_SPROM_BASE 0x1000
+#define SSB_SPROM_BASE1 0x1000
+#define SSB_SPROM_BASE31 0x0800
#define SSB_SPROM_REVISION 0x107E
#define SSB_SPROM_REVISION_REV 0x00FF /* SPROM Revision number */
#define SSB_SPROM_REVISION_CRC 0xFF00 /* SPROM CRC8 value */