From 5ca328d24d25fa2c8d2aa33cb85116695be11070 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Krzysztof=20Ha=C5=82asa?= Date: Fri, 13 Mar 2009 19:09:00 +0100 Subject: [PATCH] IXP4xx: add Ethernet and NPE support for IXP43x CPU. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Krzysztof Hałasa --- arch/arm/mach-ixp4xx/ixp4xx_npe.c | 6 +++--- drivers/net/arm/ixp4xx_eth.c | 20 +++++++++++++------- 2 files changed, 16 insertions(+), 10 deletions(-) diff --git a/arch/arm/mach-ixp4xx/ixp4xx_npe.c b/arch/arm/mach-ixp4xx/ixp4xx_npe.c index c73a94d0ca2b..252310234903 100644 --- 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, const char *name, struct device *dev) 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, "IXP43x/IXP46x firmware ignored on " "IXP42x\n"); goto err; } @@ -596,7 +596,7 @@ int npe_load_firmware(struct npe *npe, const char *name, struct device *dev) "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 diff --git a/drivers/net/arm/ixp4xx_eth.c b/drivers/net/arm/ixp4xx_eth.c index 5fce1d5c1a1a..9cc43476bfa6 100644 --- a/drivers/net/arm/ixp4xx_eth.c +++ b/drivers/net/arm/ixp4xx_eth.c @@ -335,11 +335,20 @@ static int ixp4xx_mdio_register(void) if (!(mdio_bus = mdiobus_alloc())) return -ENOMEM; - /* All MII PHY accesses use NPE-B Ethernet registers */ - spin_lock_init(&mdio_lock); - mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT; - __raw_writel(DEFAULT_CORE_CNTRL, &mdio_regs->core_control); + if (cpu_is_ixp43x()) { + /* IXP43x lacks NPE-B and uses NPE-C for MII PHY access */ + if (!(ixp4xx_read_feature_bits() & IXP4XX_FEATURE_NPEC_ETH)) + return -ENOSYS; + mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthC_BASE_VIRT; + } else { + /* All MII PHY accesses use NPE-B Ethernet registers */ + if (!(ixp4xx_read_feature_bits() & IXP4XX_FEATURE_NPEB_ETH0)) + return -ENOSYS; + mdio_regs = (struct eth_regs __iomem *)IXP4XX_EthB_BASE_VIRT; + } + __raw_writel(DEFAULT_CORE_CNTRL, &mdio_regs->core_control); + spin_lock_init(&mdio_lock); mdio_bus->name = "IXP4xx MII Bus"; mdio_bus->read = &ixp4xx_mdio_read; mdio_bus->write = &ixp4xx_mdio_write; @@ -1250,9 +1259,6 @@ static struct platform_driver ixp4xx_eth_driver = { static int __init eth_init_module(void) { int err; - if (!(ixp4xx_read_feature_bits() & IXP4XX_FEATURE_NPEB_ETH0)) - return -ENOSYS; - if ((err = ixp4xx_mdio_register())) return err; return platform_driver_register(&ixp4xx_eth_driver); -- GitLab