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author | Imre Kaloz <kaloz@openwrt.org> | 2008-12-08 14:46:04 +0000 |
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committer | Imre Kaloz <kaloz@openwrt.org> | 2008-12-08 14:46:04 +0000 |
commit | c3a7bdddbd966a7326d511e0cddb57d944724ebe (patch) | |
tree | 74bccf0500b7b756ae9f36135d18639a1d825266 /target/linux/ixp4xx/patches-2.6.28/204-npe_driver_ixp43x_support.patch | |
parent | dbb6568731907034243ca5bdc3edf1d88c57a95d (diff) | |
download | upstream-c3a7bdddbd966a7326d511e0cddb57d944724ebe.tar.gz upstream-c3a7bdddbd966a7326d511e0cddb57d944724ebe.tar.bz2 upstream-c3a7bdddbd966a7326d511e0cddb57d944724ebe.zip |
preliminary ixp4xx 2.6.28 support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13548 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ixp4xx/patches-2.6.28/204-npe_driver_ixp43x_support.patch')
-rw-r--r-- | target/linux/ixp4xx/patches-2.6.28/204-npe_driver_ixp43x_support.patch | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.28/204-npe_driver_ixp43x_support.patch b/target/linux/ixp4xx/patches-2.6.28/204-npe_driver_ixp43x_support.patch new file mode 100644 index 0000000000..240370b8aa --- /dev/null +++ b/target/linux/ixp4xx/patches-2.6.28/204-npe_driver_ixp43x_support.patch @@ -0,0 +1,94 @@ +From cba5c286f3ea34ea4767fc00c705434a00fe2c37 Mon Sep 17 00:00:00 2001 +From: Imre Kaloz <kaloz@openwrt.org> +Date: Thu, 26 Jun 2008 01:58:02 +0200 +Subject: [PATCH] Add support for the ethernet ports on IXP43x + +--- + arch/arm/mach-ixp4xx/ixp4xx_npe.c | 6 +++--- + drivers/net/arm/ixp4xx_eth.c | 13 +++++++++---- + include/asm-arm/arch-ixp4xx/cpu.h | 2 ++ + include/asm-arm/arch-ixp4xx/ixp4xx-regs.h | 7 ++++--- + 4 files changed, 18 insertions(+), 10 deletions(-) + +--- a/arch/arm/mach-ixp4xx/ixp4xx_npe.c ++++ b/arch/arm/mach-ixp4xx/ixp4xx_npe.c +@@ -575,8 +575,8 @@ int npe_load_firmware(struct npe *npe, c + for (i = 0; i < image->size; i++) + image->data[i] = swab32(image->data[i]); + +- if (!cpu_is_ixp46x() && ((image->id >> 28) & 0xF /* device ID */)) { +- print_npe(KERN_INFO, npe, "IXP46x firmware ignored on " ++ if (cpu_is_ixp42x() && ((image->id >> 28) & 0xF /* device ID */)) { ++ print_npe(KERN_INFO, npe, "IXP46x/IXP43x firmware ignored on " + "IXP42x\n"); + goto err; + } +@@ -598,7 +598,7 @@ int npe_load_firmware(struct npe *npe, c + "revision 0x%X:%X\n", (image->id >> 16) & 0xFF, + (image->id >> 8) & 0xFF, image->id & 0xFF); + +- if (!cpu_is_ixp46x()) { ++ if (cpu_is_ixp42x()) { + if (!npe->id) + instr_size = NPE_A_42X_INSTR_SIZE; + else +--- a/drivers/net/arm/ixp4xx_eth.c ++++ b/drivers/net/arm/ixp4xx_eth.c +@@ -32,6 +32,7 @@ + #include <linux/kernel.h> + #include <linux/mii.h> + #include <linux/platform_device.h> ++#include <mach/cpu.h> + #include <mach/npe.h> + #include <mach/qmgr.h> + +@@ -1337,12 +1338,16 @@ static struct platform_driver drv = { + + static int __init eth_init_module(void) + { +- if (!(ixp4xx_read_feature_bits() & IXP4XX_FEATURE_NPEB_ETH0)) +- return -ENOSYS; + +- /* All MII PHY accesses use NPE-B Ethernet registers */ + spin_lock_init(&mdio_lock); +- mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT; ++ if (!cpu_is_ixp43x()) ++ /* All MII PHY accesses use NPE-B Ethernet registers */ ++ mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT; ++ ++ else ++ /* IXP43x lacks NPE-B and uses NPE-C for MII PHY access */ ++ mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthC_BASE_VIRT; ++ + __raw_writel(DEFAULT_CORE_CNTRL, &mdio_regs->core_control); + + return platform_driver_register(&drv); +--- a/arch/arm/mach-ixp4xx/include/mach/cpu.h ++++ b/arch/arm/mach-ixp4xx/include/mach/cpu.h +@@ -35,6 +35,8 @@ static inline u32 ixp4xx_read_feature_bi + val &= ~IXP4XX_FEATURE_RESERVED; + if (!cpu_is_ixp46x()) + val &= ~IXP4XX_FEATURE_IXP46X_ONLY; ++ if (cpu_is_ixp42x()) ++ val &= ~IXP4XX_FEATURE_IXP43X_46X; + + return val; + } +--- a/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h ++++ b/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h +@@ -628,11 +628,12 @@ + #define IXP4XX_FEATURE_XSCALE_MAX_FREQ (3 << 22) + #define IXP4XX_FEATURE_RESERVED (0xFF << 24) + +-#define IXP4XX_FEATURE_IXP46X_ONLY (IXP4XX_FEATURE_ECC_TIMESYNC | \ ++#define IXP4XX_FEATURE_IXP43X_46X (IXP4XX_FEATURE_ECC_TIMESYNC | \ + IXP4XX_FEATURE_USB_HOST | \ + IXP4XX_FEATURE_NPEA_ETH | \ +- IXP4XX_FEATURE_NPEB_ETH_1_TO_3 | \ +- IXP4XX_FEATURE_RSA | \ + IXP4XX_FEATURE_XSCALE_MAX_FREQ) + ++#define IXP4XX_FEATURE_IXP46X_ONLY (IXP4XX_FEATURE_NPEB_ETH_1_TO_3 | \ ++ IXP4XX_FEATURE_RSA) ++ + #endif |