BCM4387 has trailing odd-sized blocks as part of TCM which have
their size described as a multiple of 1024 instead of 8192. Handle this
so we can compute the TCM size properly.
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Reviewed-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>
Signed-off-by: Hector Martin <marcan@xxxxxxxxx>
---
.../net/wireless/broadcom/brcm80211/brcmfmac/chip.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
index a6239051404b..50e0c015cf43 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
@@ -212,8 +212,9 @@ struct sbsocramregs {
#define ARMCR4_TCBANB_MASK 0xf
#define ARMCR4_TCBANB_SHIFT 0
-#define ARMCR4_BSZ_MASK 0x3f
+#define ARMCR4_BSZ_MASK 0x7f
#define ARMCR4_BSZ_MULT 8192
+#define ARMCR4_BLK_1K_MASK 0x200
struct brcmf_core_priv {
struct brcmf_core pub;
@@ -684,6 +685,7 @@ static u32 brcmf_chip_tcm_ramsize(struct brcmf_core_priv *cr4)
u32 nbb;
u32 totb;
u32 bxinfo;
+ u32 blksize;
u32 idx;
corecap = brcmf_chip_core_read32(cr4, ARMCR4_CAP);
@@ -695,7 +697,11 @@ static u32 brcmf_chip_tcm_ramsize(struct brcmf_core_priv *cr4)
for (idx = 0; idx < totb; idx++) {
brcmf_chip_core_write32(cr4, ARMCR4_BANKIDX, idx);
bxinfo = brcmf_chip_core_read32(cr4, ARMCR4_BANKINFO);
- memsize += ((bxinfo & ARMCR4_BSZ_MASK) + 1) * ARMCR4_BSZ_MULT;
+ blksize = ARMCR4_BSZ_MULT;
+ if (bxinfo & ARMCR4_BLK_1K_MASK)
+ blksize >>= 3;
+
+ memsize += ((bxinfo & ARMCR4_BSZ_MASK) + 1) * blksize;
}
return memsize;
--
2.35.1
