From d238ba254118490759ed1915a4c503aecb6ffeab Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Sun, 7 Mar 2010 16:37:01 +0000 Subject: [PATCH] correct the MDIO base address and reset sequence for Titan (#6573) SVN-Revision: 20037 --- .../ar7/patches-2.6.30/940-cpmac-titan.patch | 48 ++++++++------ .../ar7/patches-2.6.32/940-cpmac-titan.patch | 64 ++++++++++++++++--- 2 files changed, 85 insertions(+), 27 deletions(-) diff --git a/target/linux/ar7/patches-2.6.30/940-cpmac-titan.patch b/target/linux/ar7/patches-2.6.30/940-cpmac-titan.patch index 0e3a8b9ce4..6aa59c5d00 100644 --- a/target/linux/ar7/patches-2.6.30/940-cpmac-titan.patch +++ b/target/linux/ar7/patches-2.6.30/940-cpmac-titan.patch @@ -1,5 +1,5 @@ ---- a/arch/mips/ar7/platform.c 2009-11-18 15:47:42.000000000 +0800 -+++ b/arch/mips/ar7/platform.c 2009-11-19 00:56:05.000000000 +0800 +--- a/arch/mips/ar7/platform.c 2010-01-25 16:11:24.000000000 +0800 ++++ b/arch/mips/ar7/platform.c 2010-01-13 14:46:16.000000000 +0800 @@ -677,24 +677,32 @@ } @@ -41,26 +41,36 @@ if (res) return res; ---- a/drivers/net/cpmac.c 2009-11-18 15:47:42.000000000 +0800 -+++ b/drivers/net/cpmac.c 2009-11-19 00:58:25.000000000 +0800 -@@ -1236,6 +1236,10 @@ - ar7_device_reset(AR7_RESET_BIT_CPMAC_HI); - ar7_device_reset(AR7_RESET_BIT_EPHY); +--- a/drivers/net/cpmac.c 2010-01-25 16:11:24.000000000 +0800 ++++ b/drivers/net/cpmac.c 2010-01-25 16:48:02.000000000 +0800 +@@ -1141,6 +1141,8 @@ + goto fail; + } + ++ ar7_device_reset(pdata->reset_bit); ++ + dev->irq = platform_get_irq_byname(pdev, "irq"); + + dev->open = cpmac_open; +@@ -1221,7 +1223,7 @@ + cpmac_mii->reset = cpmac_mdio_reset; + cpmac_mii->irq = mii_irqs; + +- cpmac_mii->priv = ioremap(AR7_REGS_MDIO, 256); ++ cpmac_mii->priv = ioremap(ar7_is_titan()?TITAN_REGS_MDIO:AR7_REGS_MDIO, 256); + if (!cpmac_mii->priv) { + printk(KERN_ERR "Can't ioremap mdio registers\n"); +@@ -1232,9 +1234,10 @@ + #warning FIXME: unhardcode gpio&reset bits + ar7_gpio_disable(26); + ar7_gpio_disable(27); +- ar7_device_reset(AR7_RESET_BIT_CPMAC_LO); +- ar7_device_reset(AR7_RESET_BIT_CPMAC_HI); + ar7_device_reset(AR7_RESET_BIT_EPHY); + if (ar7_is_titan()) { + ar7_device_reset(TITAN_RESET_BIT_EPHY1); + } -+ - cpmac_mii->reset(cpmac_mii); - for (i = 0; i < 300; i++) -@@ -1250,7 +1254,8 @@ - mask = 0; - } - -- cpmac_mii->phy_mask = ~(mask | 0x80000000); -+ cpmac_mii->phy_mask = ar7_is_titan()? ~(mask | 0x80000000 | 0x40000000): -+ ~(mask | 0x80000000); - snprintf(cpmac_mii->id, MII_BUS_ID_SIZE, "1"); + cpmac_mii->reset(cpmac_mii); - res = mdiobus_register(cpmac_mii); diff --git a/target/linux/ar7/patches-2.6.32/940-cpmac-titan.patch b/target/linux/ar7/patches-2.6.32/940-cpmac-titan.patch index 981740c56d..e81c9bedb8 100644 --- a/target/linux/ar7/patches-2.6.32/940-cpmac-titan.patch +++ b/target/linux/ar7/patches-2.6.32/940-cpmac-titan.patch @@ -1,6 +1,8 @@ ---- a/arch/mips/ar7/platform.c -+++ b/arch/mips/ar7/platform.c -@@ -716,23 +716,35 @@ static int __init ar7_register_devices(v +Index: linux-2.6.32.9/arch/mips/ar7/platform.c +=================================================================== +--- linux-2.6.32.9.orig/arch/mips/ar7/platform.c 2010-03-07 13:09:00.000000000 +0100 ++++ linux-2.6.32.9/arch/mips/ar7/platform.c 2010-03-07 13:09:00.000000000 +0100 +@@ -716,23 +716,35 @@ } if (ar7_has_high_cpmac()) { @@ -43,10 +45,39 @@ if (res) return res; ---- a/drivers/net/cpmac.c -+++ b/drivers/net/cpmac.c -@@ -1243,6 +1243,10 @@ int __devinit cpmac_init(void) - ar7_device_reset(AR7_RESET_BIT_CPMAC_HI); +Index: linux-2.6.32.9/drivers/net/cpmac.c +=================================================================== +--- linux-2.6.32.9.orig/drivers/net/cpmac.c 2010-02-23 16:38:51.000000000 +0100 ++++ linux-2.6.32.9/drivers/net/cpmac.c 2010-03-07 13:24:56.000000000 +0100 +@@ -1153,6 +1153,8 @@ + goto fail; + } + ++ ar7_device_reset(pdata->reset_bit); ++ + dev->irq = platform_get_irq_byname(pdev, "irq"); + + dev->netdev_ops = &cpmac_netdev_ops; +@@ -1228,7 +1230,7 @@ + cpmac_mii->reset = cpmac_mdio_reset; + cpmac_mii->irq = mii_irqs; + +- cpmac_mii->priv = ioremap(AR7_REGS_MDIO, 256); ++ cpmac_mii->priv = ioremap(ar7_is_titan() ? TITAN_REGS_MDIO : AR7_REGS_MDIO, 256); + + if (!cpmac_mii->priv) { + printk(KERN_ERR "Can't ioremap mdio registers\n"); +@@ -1239,10 +1241,17 @@ + #warning FIXME: unhardcode gpio&reset bits + ar7_gpio_disable(26); + ar7_gpio_disable(27); +- ar7_device_reset(AR7_RESET_BIT_CPMAC_LO); +- ar7_device_reset(AR7_RESET_BIT_CPMAC_HI); ++ ++ if (!ar7_is_titan()) { ++ ar7_device_reset(AR7_RESET_BIT_CPMAC_LO); ++ ar7_device_reset(AR7_RESET_BIT_CPMAC_HI); ++ } ar7_device_reset(AR7_RESET_BIT_EPHY); + if (ar7_is_titan()) { @@ -56,7 +87,7 @@ cpmac_mii->reset(cpmac_mii); for (i = 0; i < 300; i++) -@@ -1257,7 +1261,8 @@ int __devinit cpmac_init(void) +@@ -1257,7 +1266,8 @@ mask = 0; } @@ -66,3 +97,20 @@ snprintf(cpmac_mii->id, MII_BUS_ID_SIZE, "1"); res = mdiobus_register(cpmac_mii); +Index: a/arch/mips/include/asm/mach-ar7/ar7.h +=================================================================== +--- a/arch/mips/include/asm/mach-ar7/ar7.h (revision 19112) ++++ b/arch/mips/include/asm/mach-ar7/ar7.h (working copy) +@@ -44,8 +44,10 @@ + #define UR8_REGS_WDT (AR7_REGS_BASE + 0x0b00) + #define UR8_REGS_UART1 (AR7_REGS_BASE + 0x0f00) + +-#define TITAN_REGS_MAC0 (0x08640000) +-#define TITAN_REGS_MAC1 (TITAN_REGS_MAC0 + 0x0800) ++#define TITAN_REGS_ESWITCH_BASE (0x08640000) ++#define TITAN_REGS_MAC0 (TITAN_REGS_ESWITCH_BASE + 0) ++#define TITAN_REGS_MAC1 (TITAN_REGS_ESWITCH_BASE + 0x0800) ++#define TITAN_REGS_MDIO (TITAN_REGS_ESWITCH_BASE + 0x02000) + #define TITAN_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1c00) + #define TITAN_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1300) + -- 2.25.1