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95 lines
3.2 KiB
Diff
95 lines
3.2 KiB
Diff
From cba5c286f3ea34ea4767fc00c705434a00fe2c37 Mon Sep 17 00:00:00 2001
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From: Imre Kaloz <kaloz@openwrt.org>
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Date: Thu, 26 Jun 2008 01:58:02 +0200
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Subject: [PATCH] Add support for the ethernet ports on IXP43x
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---
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arch/arm/mach-ixp4xx/ixp4xx_npe.c | 6 +++---
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drivers/net/arm/ixp4xx_eth.c | 13 +++++++++----
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include/asm-arm/arch-ixp4xx/cpu.h | 2 ++
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include/asm-arm/arch-ixp4xx/ixp4xx-regs.h | 7 ++++---
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4 files changed, 18 insertions(+), 10 deletions(-)
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--- a/arch/arm/mach-ixp4xx/ixp4xx_npe.c
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+++ b/arch/arm/mach-ixp4xx/ixp4xx_npe.c
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@@ -575,8 +575,8 @@ int npe_load_firmware(struct npe *npe, c
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for (i = 0; i < image->size; i++)
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image->data[i] = swab32(image->data[i]);
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- if (!cpu_is_ixp46x() && ((image->id >> 28) & 0xF /* device ID */)) {
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- print_npe(KERN_INFO, npe, "IXP46x firmware ignored on "
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+ if (cpu_is_ixp42x() && ((image->id >> 28) & 0xF /* device ID */)) {
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+ print_npe(KERN_INFO, npe, "IXP46x/IXP43x firmware ignored on "
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"IXP42x\n");
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goto err;
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}
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@@ -598,7 +598,7 @@ int npe_load_firmware(struct npe *npe, c
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"revision 0x%X:%X\n", (image->id >> 16) & 0xFF,
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(image->id >> 8) & 0xFF, image->id & 0xFF);
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- if (!cpu_is_ixp46x()) {
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+ if (cpu_is_ixp42x()) {
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if (!npe->id)
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instr_size = NPE_A_42X_INSTR_SIZE;
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else
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--- a/drivers/net/arm/ixp4xx_eth.c
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+++ b/drivers/net/arm/ixp4xx_eth.c
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@@ -32,6 +32,7 @@
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#include <linux/kernel.h>
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#include <linux/mii.h>
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#include <linux/platform_device.h>
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+#include <mach/cpu.h>
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#include <mach/npe.h>
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#include <mach/qmgr.h>
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@@ -1337,12 +1338,16 @@ static struct platform_driver drv = {
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static int __init eth_init_module(void)
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{
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- if (!(ixp4xx_read_feature_bits() & IXP4XX_FEATURE_NPEB_ETH0))
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- return -ENOSYS;
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- /* All MII PHY accesses use NPE-B Ethernet registers */
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spin_lock_init(&mdio_lock);
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- mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT;
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+ if (!cpu_is_ixp43x())
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+ /* All MII PHY accesses use NPE-B Ethernet registers */
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+ mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT;
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+
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+ else
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+ /* IXP43x lacks NPE-B and uses NPE-C for MII PHY access */
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+ mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthC_BASE_VIRT;
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+
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__raw_writel(DEFAULT_CORE_CNTRL, &mdio_regs->core_control);
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return platform_driver_register(&drv);
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--- a/arch/arm/mach-ixp4xx/include/mach/cpu.h
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+++ b/arch/arm/mach-ixp4xx/include/mach/cpu.h
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@@ -34,6 +34,8 @@ static inline u32 ixp4xx_read_feature_bi
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val &= ~IXP4XX_FEATURE_RESERVED;
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if (!cpu_is_ixp46x())
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val &= ~IXP4XX_FEATURE_IXP46X_ONLY;
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+ if (cpu_is_ixp42x())
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+ val &= ~IXP4XX_FEATURE_IXP43X_46X;
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return val;
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}
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--- a/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h
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+++ b/arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h
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@@ -628,11 +628,12 @@
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#define IXP4XX_FEATURE_XSCALE_MAX_FREQ (3 << 22)
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#define IXP4XX_FEATURE_RESERVED (0xFF << 24)
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-#define IXP4XX_FEATURE_IXP46X_ONLY (IXP4XX_FEATURE_ECC_TIMESYNC | \
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+#define IXP4XX_FEATURE_IXP43X_46X (IXP4XX_FEATURE_ECC_TIMESYNC | \
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IXP4XX_FEATURE_USB_HOST | \
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IXP4XX_FEATURE_NPEA_ETH | \
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- IXP4XX_FEATURE_NPEB_ETH_1_TO_3 | \
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- IXP4XX_FEATURE_RSA | \
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IXP4XX_FEATURE_XSCALE_MAX_FREQ)
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+#define IXP4XX_FEATURE_IXP46X_ONLY (IXP4XX_FEATURE_NPEB_ETH_1_TO_3 | \
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+ IXP4XX_FEATURE_RSA)
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+
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#endif
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