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path: root/target/linux/brcm63xx/patches-3.6/422-bcm63xx_enet-enable-rgmii-clock-on-external-ports.patch
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Diffstat (limited to 'target/linux/brcm63xx/patches-3.6/422-bcm63xx_enet-enable-rgmii-clock-on-external-ports.patch')
-rw-r--r--target/linux/brcm63xx/patches-3.6/422-bcm63xx_enet-enable-rgmii-clock-on-external-ports.patch53
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.6/422-bcm63xx_enet-enable-rgmii-clock-on-external-ports.patch b/target/linux/brcm63xx/patches-3.6/422-bcm63xx_enet-enable-rgmii-clock-on-external-ports.patch
new file mode 100644
index 0000000000..217ddae932
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.6/422-bcm63xx_enet-enable-rgmii-clock-on-external-ports.patch
@@ -0,0 +1,53 @@
+From d8237d704fc25eb2fc25ef4403608b78c6a6d4be Mon Sep 17 00:00:00 2001
+From: Jonas Gorski <jonas.gorski@gmail.com>
+Date: Sun, 15 Jul 2012 20:08:57 +0200
+Subject: [PATCH 54/81] bcm63xx_enet: enable rgmii clock on external ports
+
+---
+ arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 13 +++++++++++++
+ drivers/net/ethernet/broadcom/bcm63xx_enet.c | 12 ++++++++++++
+ 2 files changed, 25 insertions(+), 0 deletions(-)
+
+--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+@@ -832,6 +832,19 @@
+ #define ENETSW_PORTOV_FDX_MASK (1 << 1)
+ #define ENETSW_PORTOV_LINKUP_MASK (1 << 0)
+
++/* Port RGMII control register */
++#define ENETSW_RGMII_CTRL_REG(x) (0x60 + (x))
++#define ENETSW_RGMII_CTRL_GMII_CLK_EN (1 << 7)
++#define ENETSW_RGMII_CTRL_MII_OVERRIDE_EN (1 << 6)
++#define ENETSW_RGMII_CTRL_MII_MODE_MASK (3 << 4)
++#define ENETSW_RGMII_CTRL_RGMII_MODE (0 << 4)
++#define ENETSW_RGMII_CTRL_MII_MODE (1 << 4)
++#define ENETSW_RGMII_CTRL_RVMII_MODE (2 << 4)
++#define ENETSW_RGMII_CTRL_TIMING_SEL_EN (1 << 0)
++
++/* Port RGMII timing register */
++#define ENETSW_RGMII_TIMING_REG(x) (0x68 + (x))
++
+ /* MDIO control register */
+ #define ENETSW_MDIOC_REG (0xb0)
+ #define ENETSW_MDIOC_EXT_MASK (1 << 16)
+--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
++++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+@@ -2222,6 +2222,18 @@ static int bcm_enetsw_open(struct net_de
+ priv->sw_port_link[i] = 0;
+ }
+
++ /* enable external ports */
++ for (i = ENETSW_RGMII_PORT0; i < priv->num_ports; i++) {
++ u8 rgmii_ctrl;
++
++ if (!priv->used_ports[i].used)
++ continue;
++
++ rgmii_ctrl = enetsw_readb(priv, ENETSW_RGMII_CTRL_REG(i));
++ rgmii_ctrl |= ENETSW_RGMII_CTRL_GMII_CLK_EN;
++ enetsw_writeb(priv, rgmii_ctrl, ENETSW_RGMII_CTRL_REG(i));
++ }
++
+ /* reset mib */
+ val = enetsw_readb(priv, ENETSW_GMCR_REG);
+ val |= ENETSW_GMCR_RST_MIB_MASK;