brcm63xx: add kernel 3.18 support

Add 3.18 support based on 3.18-rc6. Only netboot tested.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43461 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 53 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/patches-3.18/408-bcm63xx_enet-enable-rgmii-clock-on-external-ports.patch b/target/linux/brcm63xx/patches-3.18/408-bcm63xx_enet-enable-rgmii-clock-on-external-ports.patch
new file mode 100644
index 0000000000..0a97b25bcd
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.18/408-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
+@@ -967,6 +967,19 @@
+ #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
+@@ -2224,6 +2224,18 @@ 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;