bcma: support SPROM rev 10

This is pretty much the same as rev 9, there are just 2 extra fields we
know about, but are not used/stored yet anyway.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/bcma/sprom.c b/drivers/bcma/sprom.c
index c96f71c..de15b4f 100644 (file)
--- a/drivers/bcma/sprom.c
+++ b/drivers/bcma/sprom.c
@@ -154,7 +154,8 @@ static int bcma_sprom_check_crc(const u16 *sprom, size_t words)
        return 0;
 }
 
-static int bcma_sprom_valid(const u16 *sprom, size_t words)
+static int bcma_sprom_valid(struct bcma_bus *bus, const u16 *sprom,
+                           size_t words)
 {
        u16 revision;
        int err;
@@ -164,11 +165,14 @@ static int bcma_sprom_valid(const u16 *sprom, size_t words)
                return err;
 
        revision = sprom[words - 1] & SSB_SPROM_REVISION_REV;
-       if (revision != 8 && revision != 9) {
+       if (revision != 8 && revision != 9 && revision != 10) {
                pr_err("Unsupported SPROM revision: %d\n", revision);
                return -ENOENT;
        }
 
+       bus->sprom.revision = revision;
+       bcma_debug(bus, "Found SPROM revision %d\n", revision);
+
        return 0;
 }
 
@@ -208,9 +212,6 @@ static void bcma_sprom_extract_r8(struct bcma_bus *bus, const u16 *sprom)
        BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) !=
                        ARRAY_SIZE(bus->sprom.core_pwr_info));
 
-       bus->sprom.revision = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] &
-               SSB_SPROM_REVISION_REV;
-
        for (i = 0; i < 3; i++) {
                v = sprom[SPOFF(SSB_SPROM8_IL0MAC) + i];
                *(((__be16 *)bus->sprom.il0mac) + i) = cpu_to_be16(v);
@@ -549,7 +550,8 @@ int bcma_sprom_get(struct bcma_bus *bus)
 {
        u16 offset = BCMA_CC_SPROM;
        u16 *sprom;
-       size_t sprom_sizes[] = { SSB_SPROMSIZE_WORDS_R4, };
+       size_t sprom_sizes[] = { SSB_SPROMSIZE_WORDS_R4,
+                                SSB_SPROMSIZE_WORDS_R10, };
        int i, err = 0;
 
        if (!bus->drv_cc.core)
@@ -592,7 +594,7 @@ int bcma_sprom_get(struct bcma_bus *bus)
                        return -ENOMEM;
 
                bcma_sprom_read(bus, offset, sprom, words);
-               err = bcma_sprom_valid(sprom, words);
+               err = bcma_sprom_valid(bus, sprom, words);
                if (!err)
                        break;
 

diff --git a/include/linux/ssb/ssb_regs.h b/include/linux/ssb/ssb_regs.h
index 3a72569..f9f931c 100644 (file)
--- a/include/linux/ssb/ssb_regs.h
+++ b/include/linux/ssb/ssb_regs.h
@@ -172,6 +172,7 @@
 #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_SPROMSIZE_WORDS_R10                230
 #define SSB_SPROM_BASE1                        0x1000
 #define SSB_SPROM_BASE31               0x0800
 #define SSB_SPROM_REVISION             0x007E