--- /dev/null
+From ec12b94d22fa8715561bdffe6da0781dac08423e Mon Sep 17 00:00:00 2001
+From: Hauke Mehrtens <hauke@hauke-m.de>
+Date: Sun, 10 Nov 2013 21:23:57 +0100
+Subject: [PATCH] bgmac: add some workaround for rev 4
+
+---
+ drivers/net/ethernet/broadcom/bgmac.c | 8 ++++----
+ drivers/net/ethernet/broadcom/bgmac.h | 4 +++-
+ 2 files changed, 7 insertions(+), 5 deletions(-)
+
+--- a/drivers/net/ethernet/broadcom/bgmac.c
++++ b/drivers/net/ethernet/broadcom/bgmac.c
+@@ -97,6 +97,16 @@ static void bgmac_dma_tx_enable(struct b
+ u32 ctl;
+
+ ctl = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_TX_CTL);
++ if (bgmac->core->id.rev == 4) {
++ ctl &= ~BGMAC_DMA_TX_BL_MASK;
++ ctl |= BGMAC_DMA_TX_BL_128 << BGMAC_DMA_TX_BL_SHIFT;
++ ctl &= ~BGMAC_DMA_TX_MR_MASK;
++ ctl |= BGMAC_DMA_TX_MR_2 << BGMAC_DMA_TX_MR_SHIFT;
++ ctl &= ~BGMAC_DMA_TX_PC_MASK;
++ ctl |= BGMAC_DMA_TX_PC_16 << BGMAC_DMA_TX_PC_SHIFT;
++ ctl &= ~BGMAC_DMA_TX_PT_MASK;
++ ctl |= BGMAC_DMA_TX_PT_8 << BGMAC_DMA_TX_PT_SHIFT;
++ }
+ ctl |= BGMAC_DMA_TX_ENABLE;
+ ctl |= BGMAC_DMA_TX_PARITY_DISABLE;
+ bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_TX_CTL, ctl);
+@@ -246,6 +256,17 @@ static void bgmac_dma_rx_enable(struct b
+ ctl |= BGMAC_DMA_RX_PARITY_DISABLE;
+ ctl |= BGMAC_DMA_RX_OVERFLOW_CONT;
+ ctl |= BGMAC_RX_FRAME_OFFSET << BGMAC_DMA_RX_FRAME_OFFSET_SHIFT;
++
++ if (bgmac->core->id.rev == 4) {
++ ctl &= ~BGMAC_DMA_RX_BL_MASK;
++ ctl |= BGMAC_DMA_RX_BL_128 << BGMAC_DMA_RX_BL_SHIFT;
++
++ ctl &= ~BGMAC_DMA_RX_PC_MASK;
++ ctl |= BGMAC_DMA_RX_PC_8 << BGMAC_DMA_RX_PC_SHIFT;
++
++ ctl &= ~BGMAC_DMA_RX_PT_MASK;
++ ctl |= BGMAC_DMA_RX_PT_1 << BGMAC_DMA_RX_PT_SHIFT;
++ }
+ bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_RX_CTL, ctl);
+ }
+
+@@ -812,13 +833,13 @@ static void bgmac_cmdcfg_maskset(struct
+ u32 cmdcfg = bgmac_read(bgmac, BGMAC_CMDCFG);
+ u32 new_val = (cmdcfg & mask) | set;
+
+- bgmac_set(bgmac, BGMAC_CMDCFG, BGMAC_CMDCFG_SR);
++ bgmac_set(bgmac, BGMAC_CMDCFG, BGMAC_CMDCFG_SR(bgmac->core->id.rev));
+ udelay(2);
+
+ if (new_val != cmdcfg || force)
+ bgmac_write(bgmac, BGMAC_CMDCFG, new_val);
+
+- bgmac_mask(bgmac, BGMAC_CMDCFG, ~BGMAC_CMDCFG_SR);
++ bgmac_mask(bgmac, BGMAC_CMDCFG, ~BGMAC_CMDCFG_SR(bgmac->core->id.rev));
+ udelay(2);
+ }
+
+@@ -1029,7 +1050,7 @@ static void bgmac_chip_reset(struct bgma
+ BGMAC_CMDCFG_PROM |
+ BGMAC_CMDCFG_NLC |
+ BGMAC_CMDCFG_CFE |
+- BGMAC_CMDCFG_SR,
++ BGMAC_CMDCFG_SR(core->id.rev),
+ false);
+
+ bgmac_clear_mib(bgmac);
+@@ -1070,7 +1091,7 @@ static void bgmac_enable(struct bgmac *b
+
+ cmdcfg = bgmac_read(bgmac, BGMAC_CMDCFG);
+ bgmac_cmdcfg_maskset(bgmac, ~(BGMAC_CMDCFG_TE | BGMAC_CMDCFG_RE),
+- BGMAC_CMDCFG_SR, true);
++ BGMAC_CMDCFG_SR(bgmac->core->id.rev), true);
+ udelay(2);
+ cmdcfg |= BGMAC_CMDCFG_TE | BGMAC_CMDCFG_RE;
+ bgmac_write(bgmac, BGMAC_CMDCFG, cmdcfg);
+--- a/drivers/net/ethernet/broadcom/bgmac.h
++++ b/drivers/net/ethernet/broadcom/bgmac.h
+@@ -194,7 +194,9 @@
+ #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 0x00000800 /* Set to reset mode */
++#define BGMAC_CMDCFG_SR_REVO 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_REVO)
+ #define BGMAC_CMDCFG_ML 0x00008000 /* Set to activate mac loopback mode */
+ #define BGMAC_CMDCFG_AE 0x00400000
+ #define BGMAC_CMDCFG_CFE 0x00800000
+@@ -255,9 +257,34 @@
+ #define BGMAC_DMA_TX_SUSPEND 0x00000002
+ #define BGMAC_DMA_TX_LOOPBACK 0x00000004
+ #define BGMAC_DMA_TX_FLUSH 0x00000010
++#define BGMAC_DMA_TX_MR_MASK 0x000000C0 /* Multiple outstanding reads */
++#define BGMAC_DMA_TX_MR_SHIFT 6
++#define BGMAC_DMA_TX_MR_1 0
++#define BGMAC_DMA_TX_MR_2 1
+ #define BGMAC_DMA_TX_PARITY_DISABLE 0x00000800
+ #define BGMAC_DMA_TX_ADDREXT_MASK 0x00030000
+ #define BGMAC_DMA_TX_ADDREXT_SHIFT 16
++#define BGMAC_DMA_TX_BL_MASK 0x001C0000 /* BurstLen bits */
++#define BGMAC_DMA_TX_BL_SHIFT 18
++#define BGMAC_DMA_TX_BL_16 0
++#define BGMAC_DMA_TX_BL_32 1
++#define BGMAC_DMA_TX_BL_64 2
++#define BGMAC_DMA_TX_BL_128 3
++#define BGMAC_DMA_TX_BL_256 4
++#define BGMAC_DMA_TX_BL_512 5
++#define BGMAC_DMA_TX_BL_1024 6
++#define BGMAC_DMA_TX_PC_MASK 0x00E00000 /* Prefetch control */
++#define BGMAC_DMA_TX_PC_SHIFT 21
++#define BGMAC_DMA_TX_PC_0 0
++#define BGMAC_DMA_TX_PC_4 1
++#define BGMAC_DMA_TX_PC_8 2
++#define BGMAC_DMA_TX_PC_16 3
++#define BGMAC_DMA_TX_PT_MASK 0x03000000 /* Prefetch threshold */
++#define BGMAC_DMA_TX_PT_SHIFT 24
++#define BGMAC_DMA_TX_PT_1 0
++#define BGMAC_DMA_TX_PT_2 1
++#define BGMAC_DMA_TX_PT_4 2
++#define BGMAC_DMA_TX_PT_8 3
+ #define BGMAC_DMA_TX_INDEX 0x04
+ #define BGMAC_DMA_TX_RINGLO 0x08
+ #define BGMAC_DMA_TX_RINGHI 0x0C
+@@ -285,8 +312,33 @@
+ #define BGMAC_DMA_RX_DIRECT_FIFO 0x00000100
+ #define BGMAC_DMA_RX_OVERFLOW_CONT 0x00000400
+ #define BGMAC_DMA_RX_PARITY_DISABLE 0x00000800
++#define BGMAC_DMA_RX_MR_MASK 0x000000C0 /* Multiple outstanding reads */
++#define BGMAC_DMA_RX_MR_SHIFT 6
++#define BGMAC_DMA_TX_MR_1 0
++#define BGMAC_DMA_TX_MR_2 1
+ #define BGMAC_DMA_RX_ADDREXT_MASK 0x00030000
+ #define BGMAC_DMA_RX_ADDREXT_SHIFT 16
++#define BGMAC_DMA_RX_BL_MASK 0x001C0000 /* BurstLen bits */
++#define BGMAC_DMA_RX_BL_SHIFT 18
++#define BGMAC_DMA_RX_BL_16 0
++#define BGMAC_DMA_RX_BL_32 1
++#define BGMAC_DMA_RX_BL_64 2
++#define BGMAC_DMA_RX_BL_128 3
++#define BGMAC_DMA_RX_BL_256 4
++#define BGMAC_DMA_RX_BL_512 5
++#define BGMAC_DMA_RX_BL_1024 6
++#define BGMAC_DMA_RX_PC_MASK 0x00E00000 /* Prefetch control */
++#define BGMAC_DMA_RX_PC_SHIFT 21
++#define BGMAC_DMA_RX_PC_0 0
++#define BGMAC_DMA_RX_PC_4 1
++#define BGMAC_DMA_RX_PC_8 2
++#define BGMAC_DMA_RX_PC_16 3
++#define BGMAC_DMA_RX_PT_MASK 0x03000000 /* Prefetch threshold */
++#define BGMAC_DMA_RX_PT_SHIFT 24
++#define BGMAC_DMA_RX_PT_1 0
++#define BGMAC_DMA_RX_PT_2 1
++#define BGMAC_DMA_RX_PT_4 2
++#define BGMAC_DMA_RX_PT_8 3
+ #define BGMAC_DMA_RX_INDEX 0x24
+ #define BGMAC_DMA_RX_RINGLO 0x28
+ #define BGMAC_DMA_RX_RINGHI 0x2C
projects / openwrt.git / blobdiff