ixp4xx: support omicron ixp425 based boards
This patch adds board support for the DEVIXP, the MICCPT, and the
MIC256, which are three IXP425 based boards produced by OMICRON
electronics, GmbH.
Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-ixp4xx/omixp-setup.c b/arch/arm/mach-ixp4xx/omixp-setup.c
new file mode 100644
index 0000000..4dfdc69
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/omixp-setup.c
@@ -0,0 +1,273 @@
+/*
+ * arch/arm/mach-ixp4xx/omixp-setup.c
+ *
+ * omicron ixp4xx board setup
+ * Copyright (C) 2009 OMICRON electronics GmbH
+ *
+ * based nslu2-setup.c, ixdp425-setup.c:
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#ifdef CONFIG_LEDS_CLASS
+#include <linux/leds.h>
+#endif
+
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+static struct resource omixp_flash_resources[] = {
+ {
+ .flags = IORESOURCE_MEM,
+ }, {
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct mtd_partition omixp_partitions[] = {
+ {
+ .name = "Recovery Bootloader",
+ .size = 0x00020000,
+ .offset = 0,
+ }, {
+ .name = "Calibration Data",
+ .size = 0x00020000,
+ .offset = 0x00020000,
+ }, {
+ .name = "Recovery FPGA",
+ .size = 0x00020000,
+ .offset = 0x00040000,
+ }, {
+ .name = "Release Bootloader",
+ .size = 0x00020000,
+ .offset = 0x00060000,
+ }, {
+ .name = "Release FPGA",
+ .size = 0x00020000,
+ .offset = 0x00080000,
+ }, {
+ .name = "Kernel",
+ .size = 0x00160000,
+ .offset = 0x000a0000,
+ }, {
+ .name = "Filesystem",
+ .size = 0x00C00000,
+ .offset = 0x00200000,
+ }, {
+ .name = "Persistent Storage",
+ .size = 0x00200000,
+ .offset = 0x00E00000,
+ },
+};
+
+static struct flash_platform_data omixp_flash_data[] = {
+ {
+ .map_name = "cfi_probe",
+ .parts = omixp_partitions,
+ .nr_parts = ARRAY_SIZE(omixp_partitions),
+ }, {
+ .map_name = "cfi_probe",
+ .parts = NULL,
+ .nr_parts = 0,
+ },
+};
+
+static struct platform_device omixp_flash_device[] = {
+ {
+ .name = "IXP4XX-Flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &omixp_flash_data[0],
+ },
+ .resource = &omixp_flash_resources[0],
+ .num_resources = 1,
+ }, {
+ .name = "IXP4XX-Flash",
+ .id = 1,
+ .dev = {
+ .platform_data = &omixp_flash_data[1],
+ },
+ .resource = &omixp_flash_resources[1],
+ .num_resources = 1,
+ },
+};
+
+/* Swap UART's - These boards have the console on UART2. The following
+ * configuration is used:
+ * ttyS0 .. UART2
+ * ttyS1 .. UART1
+ * This way standard images can be used with the kernel that expect
+ * the console on ttyS0.
+ */
+static struct resource omixp_uart_resources[] = {
+ {
+ .start = IXP4XX_UART2_BASE_PHYS,
+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IXP4XX_UART1_BASE_PHYS,
+ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct plat_serial8250_port omixp_uart_data[] = {
+ {
+ .mapbase = IXP4XX_UART2_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART2,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ }, {
+ .mapbase = IXP4XX_UART1_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART1,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ }, {
+ /* list termination */
+ }
+};
+
+static struct platform_device omixp_uart = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev.platform_data = omixp_uart_data,
+ .num_resources = 2,
+ .resource = omixp_uart_resources,
+};
+
+static struct gpio_led mic256_led_pins[] = {
+ {
+ .name = "LED-A",
+ .gpio = 7,
+ },
+};
+
+static struct gpio_led_platform_data mic256_led_data = {
+ .num_leds = ARRAY_SIZE(mic256_led_pins),
+ .leds = mic256_led_pins,
+};
+
+static struct platform_device mic256_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev.platform_data = &mic256_led_data,
+};
+
+/* Built-in 10/100 Ethernet MAC interfaces */
+static struct eth_plat_info ixdp425_plat_eth[] = {
+ {
+ .phy = 0,
+ .rxq = 3,
+ .txreadyq = 20,
+ }, {
+ .phy = 1,
+ .rxq = 4,
+ .txreadyq = 21,
+ },
+};
+
+static struct platform_device ixdp425_eth[] = {
+ {
+ .name = "ixp4xx_eth",
+ .id = IXP4XX_ETH_NPEB,
+ .dev.platform_data = ixdp425_plat_eth,
+ }, {
+ .name = "ixp4xx_eth",
+ .id = IXP4XX_ETH_NPEC,
+ .dev.platform_data = ixdp425_plat_eth + 1,
+ },
+};
+
+
+static struct platform_device *devixp_pldev[] __initdata = {
+ &omixp_uart,
+ &omixp_flash_device[0],
+ &ixdp425_eth[0],
+ &ixdp425_eth[1],
+};
+
+static struct platform_device *mic256_pldev[] __initdata = {
+ &omixp_uart,
+ &omixp_flash_device[0],
+ &mic256_leds,
+ &ixdp425_eth[0],
+ &ixdp425_eth[1],
+};
+
+static struct platform_device *miccpt_pldev[] __initdata = {
+ &omixp_uart,
+ &omixp_flash_device[0],
+ &omixp_flash_device[1],
+ &ixdp425_eth[0],
+ &ixdp425_eth[1],
+};
+
+static void __init omixp_init(void)
+{
+ ixp4xx_sys_init();
+
+ /* 16MiB Boot Flash */
+ omixp_flash_resources[0].start = IXP4XX_EXP_BUS_BASE(0);
+ omixp_flash_resources[0].end = IXP4XX_EXP_BUS_END(0);
+
+ /* 32 MiB Data Flash */
+ omixp_flash_resources[1].start = IXP4XX_EXP_BUS_BASE(2);
+ omixp_flash_resources[1].end = IXP4XX_EXP_BUS_END(2);
+
+ if (machine_is_devixp())
+ platform_add_devices(devixp_pldev, ARRAY_SIZE(devixp_pldev));
+ else if (machine_is_miccpt())
+ platform_add_devices(miccpt_pldev, ARRAY_SIZE(miccpt_pldev));
+ else if (machine_is_mic256())
+ platform_add_devices(mic256_pldev, ARRAY_SIZE(mic256_pldev));
+}
+
+#ifdef CONFIG_MACH_DEVIXP
+MACHINE_START(DEVIXP, "Omicron DEVIXP")
+ .boot_params = 0x100,
+ .map_io = ixp4xx_map_io,
+ .init_irq = ixp4xx_init_irq,
+ .timer = &ixp4xx_timer,
+ .init_machine = omixp_init,
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_MICCPT
+MACHINE_START(MICCPT, "Omicron MICCPT")
+ .boot_params = 0x100,
+ .map_io = ixp4xx_map_io,
+ .init_irq = ixp4xx_init_irq,
+ .timer = &ixp4xx_timer,
+ .init_machine = omixp_init,
+#if defined(CONFIG_PCI)
+ .dma_zone_size = SZ_64M,
+#endif
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_MIC256
+MACHINE_START(MIC256, "Omicron MIC256")
+ .boot_params = 0x100,
+ .map_io = ixp4xx_map_io,
+ .init_irq = ixp4xx_init_irq,
+ .timer = &ixp4xx_timer,
+ .init_machine = omixp_init,
+MACHINE_END
+#endif