diff options
Diffstat (limited to 'target/linux/generic/patches-4.4/073-bgmac-fix-MAC-soft-reset-bit-for-corerev-4.patch')
| -rw-r--r-- | target/linux/generic/patches-4.4/073-bgmac-fix-MAC-soft-reset-bit-for-corerev-4.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.4/073-bgmac-fix-MAC-soft-reset-bit-for-corerev-4.patch b/target/linux/generic/patches-4.4/073-bgmac-fix-MAC-soft-reset-bit-for-corerev-4.patch new file mode 100644 index 0000000000..0dd1a3d4e7 --- /dev/null +++ b/target/linux/generic/patches-4.4/073-bgmac-fix-MAC-soft-reset-bit-for-corerev-4.patch @@ -0,0 +1,34 @@ +From c02bc350f9dbce7d637c394a6e1c4d29dc5b28b2 Mon Sep 17 00:00:00 2001 +From: Felix Fietkau <nbd@openwrt.org> +Date: Tue, 12 Apr 2016 18:27:29 +0200 +Subject: [PATCH] bgmac: fix MAC soft-reset bit for corerev > 4 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Only core revisions older than 4 use BGMAC_CMDCFG_SR_REV0. This mainly +fixes support for BCM4708A0KF SoCs with Ethernet core rev 5 (it means +only some devices as most of BCM4708A0KF-s got core rev 4). +This was tested for regressions on BCM47094 which doesn't seem to care +which bit gets used. + +Signed-off-by: Felix Fietkau <nbd@openwrt.org> +Signed-off-by: Rafał Miłecki <zajec5@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + +--- a/drivers/net/ethernet/broadcom/bgmac.h ++++ b/drivers/net/ethernet/broadcom/bgmac.h +@@ -199,9 +199,9 @@ + #define BGMAC_CMDCFG_TAI 0x00000200 + #define BGMAC_CMDCFG_HD 0x00000400 /* Set if in half duplex mode */ + #define BGMAC_CMDCFG_HD_SHIFT 10 +-#define BGMAC_CMDCFG_SR_REV0 0x00000800 /* Set to reset mode, for other revs */ +-#define BGMAC_CMDCFG_SR_REV4 0x00002000 /* Set to reset mode, only for core rev 4 */ +-#define BGMAC_CMDCFG_SR(rev) ((rev == 4) ? BGMAC_CMDCFG_SR_REV4 : BGMAC_CMDCFG_SR_REV0) ++#define BGMAC_CMDCFG_SR_REV0 0x00000800 /* Set to reset mode, for core rev 0-3 */ ++#define BGMAC_CMDCFG_SR_REV4 0x00002000 /* Set to reset mode, for core rev >= 4 */ ++#define BGMAC_CMDCFG_SR(rev) ((rev >= 4) ? BGMAC_CMDCFG_SR_REV4 : BGMAC_CMDCFG_SR_REV0) + #define BGMAC_CMDCFG_ML 0x00008000 /* Set to activate mac loopback mode */ + #define BGMAC_CMDCFG_AE 0x00400000 + #define BGMAC_CMDCFG_CFE 0x00800000 |