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authorRod Whitby <rod@whitby.id.au>2008-02-02 00:04:05 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-02-04 13:15:26 +0000
commitb7edc84a9619eb2c8bfb5265d4079da9c70ad270 (patch)
treecacd9ffa7a99d6d75ce42f0b6edcd84c90fdf9e2 /arch/arm/mach-ixp4xx/nslu2-setup.c
parent1208ebf25b654a48f075c191de1d6410af7062b0 (diff)
[ARM] 4806/1: ixp4xx: Ethernet support for the nslu2 and nas100d boards
Enables the new ixp4xx qmgr and npe drivers in ixp4xx_defconfig. Sets up the corresponding platform data for the nslu2 and nas100d boards, and reads the ethernet MAC address from the internal flash. Tested on both little-endian and big-endian kernels. Tested-by: Tom King <tom@websb.net> Signed-off-by: Rod Whitby <rod@whitby.id.au> Signed-off-by: Michael Westerhof <mwester@dls.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-ixp4xx/nslu2-setup.c')
-rw-r--r--arch/arm/mach-ixp4xx/nslu2-setup.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c
index 41d55c84164a..fd9ec17c8b86 100644
--- a/arch/arm/mach-ixp4xx/nslu2-setup.c
+++ b/arch/arm/mach-ixp4xx/nslu2-setup.c
@@ -14,6 +14,7 @@
* Changed to conform to new style __init ixdp425 kas11 10/22/04
*/
+#include <linux/if_ether.h>
#include <linux/kernel.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
@@ -25,6 +26,7 @@
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/time.h>
+#include <asm/io.h>
static struct flash_platform_data nslu2_flash_data = {
.map_name = "cfi_probe",
@@ -143,11 +145,29 @@ static struct platform_device nslu2_uart = {
.resource = nslu2_uart_resources,
};
+/* Built-in 10/100 Ethernet MAC interfaces */
+static struct eth_plat_info nslu2_plat_eth[] = {
+ {
+ .phy = 1,
+ .rxq = 3,
+ .txreadyq = 20,
+ }
+};
+
+static struct platform_device nslu2_eth[] = {
+ {
+ .name = "ixp4xx_eth",
+ .id = IXP4XX_ETH_NPEB,
+ .dev.platform_data = nslu2_plat_eth,
+ }
+};
+
static struct platform_device *nslu2_devices[] __initdata = {
&nslu2_i2c_gpio,
&nslu2_flash,
&nslu2_beeper,
&nslu2_leds,
+ &nslu2_eth[0],
};
static void nslu2_power_off(void)
@@ -176,6 +196,10 @@ static struct sys_timer nslu2_timer = {
static void __init nslu2_init(void)
{
+ DECLARE_MAC_BUF(mac_buf);
+ uint8_t __iomem *f;
+ int i;
+
ixp4xx_sys_init();
nslu2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
@@ -195,6 +219,26 @@ static void __init nslu2_init(void)
(void)platform_device_register(&nslu2_uart);
platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices));
+
+
+ /*
+ * Map in a portion of the flash and read the MAC address.
+ * Since it is stored in BE in the flash itself, we need to
+ * byteswap it if we're in LE mode.
+ */
+ f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x40000);
+ if (f) {
+ for (i = 0; i < 6; i++)
+#ifdef __ARMEB__
+ nslu2_plat_eth[0].hwaddr[i] = readb(f + 0x3FFB0 + i);
+#else
+ nslu2_plat_eth[0].hwaddr[i] = readb(f + 0x3FFB0 + (i^3));
+#endif
+ iounmap(f);
+ }
+ printk(KERN_INFO "NSLU2: Using MAC address %s for port 0\n",
+ print_mac(mac_buf, nslu2_plat_eth[0].hwaddr));
+
}
MACHINE_START(NSLU2, "Linksys NSLU2")