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298 lines
6.6 KiB
298 lines
6.6 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* arch/arm/mach-ixp4xx/omixp-setup.c |
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* |
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* omicron ixp4xx board setup |
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* Copyright (C) 2009 OMICRON electronics GmbH |
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* |
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* based nslu2-setup.c, ixdp425-setup.c: |
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* Copyright (C) 2003-2004 MontaVista Software, Inc. |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/serial.h> |
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#include <linux/serial_8250.h> |
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#include <linux/mtd/mtd.h> |
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#include <linux/mtd/partitions.h> |
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#include <linux/leds.h> |
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#include <asm/setup.h> |
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#include <asm/memory.h> |
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#include <asm/mach-types.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/flash.h> |
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#include <mach/hardware.h> |
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#include "irqs.h" |
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static struct resource omixp_flash_resources[] = { |
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{ |
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.flags = IORESOURCE_MEM, |
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}, { |
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.flags = IORESOURCE_MEM, |
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}, |
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}; |
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static struct mtd_partition omixp_partitions[] = { |
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{ |
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.name = "Recovery Bootloader", |
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.size = 0x00020000, |
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.offset = 0, |
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}, { |
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.name = "Calibration Data", |
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.size = 0x00020000, |
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.offset = 0x00020000, |
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}, { |
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.name = "Recovery FPGA", |
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.size = 0x00020000, |
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.offset = 0x00040000, |
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}, { |
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.name = "Release Bootloader", |
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.size = 0x00020000, |
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.offset = 0x00060000, |
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}, { |
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.name = "Release FPGA", |
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.size = 0x00020000, |
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.offset = 0x00080000, |
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}, { |
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.name = "Kernel", |
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.size = 0x00160000, |
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.offset = 0x000a0000, |
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}, { |
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.name = "Filesystem", |
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.size = 0x00C00000, |
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.offset = 0x00200000, |
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}, { |
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.name = "Persistent Storage", |
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.size = 0x00200000, |
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.offset = 0x00E00000, |
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}, |
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}; |
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static struct flash_platform_data omixp_flash_data[] = { |
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{ |
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.map_name = "cfi_probe", |
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.parts = omixp_partitions, |
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.nr_parts = ARRAY_SIZE(omixp_partitions), |
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}, { |
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.map_name = "cfi_probe", |
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.parts = NULL, |
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.nr_parts = 0, |
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}, |
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}; |
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static struct platform_device omixp_flash_device[] = { |
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{ |
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.name = "IXP4XX-Flash", |
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.id = 0, |
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.dev = { |
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.platform_data = &omixp_flash_data[0], |
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}, |
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.resource = &omixp_flash_resources[0], |
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.num_resources = 1, |
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}, { |
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.name = "IXP4XX-Flash", |
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.id = 1, |
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.dev = { |
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.platform_data = &omixp_flash_data[1], |
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}, |
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.resource = &omixp_flash_resources[1], |
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.num_resources = 1, |
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}, |
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}; |
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/* Swap UART's - These boards have the console on UART2. The following |
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* configuration is used: |
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* ttyS0 .. UART2 |
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* ttyS1 .. UART1 |
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* This way standard images can be used with the kernel that expect |
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* the console on ttyS0. |
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*/ |
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static struct resource omixp_uart_resources[] = { |
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{ |
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.start = IXP4XX_UART2_BASE_PHYS, |
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.end = IXP4XX_UART2_BASE_PHYS + 0x0fff, |
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.flags = IORESOURCE_MEM, |
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}, { |
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.start = IXP4XX_UART1_BASE_PHYS, |
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.end = IXP4XX_UART1_BASE_PHYS + 0x0fff, |
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.flags = IORESOURCE_MEM, |
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}, |
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}; |
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static struct plat_serial8250_port omixp_uart_data[] = { |
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{ |
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.mapbase = IXP4XX_UART2_BASE_PHYS, |
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.membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, |
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.irq = IRQ_IXP4XX_UART2, |
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.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, |
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.iotype = UPIO_MEM, |
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.regshift = 2, |
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.uartclk = IXP4XX_UART_XTAL, |
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}, { |
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.mapbase = IXP4XX_UART1_BASE_PHYS, |
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.membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, |
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.irq = IRQ_IXP4XX_UART1, |
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.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, |
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.iotype = UPIO_MEM, |
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.regshift = 2, |
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.uartclk = IXP4XX_UART_XTAL, |
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}, { |
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/* list termination */ |
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} |
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}; |
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static struct platform_device omixp_uart = { |
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.name = "serial8250", |
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.id = PLAT8250_DEV_PLATFORM, |
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.dev.platform_data = omixp_uart_data, |
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.num_resources = 2, |
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.resource = omixp_uart_resources, |
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}; |
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static struct gpio_led mic256_led_pins[] = { |
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{ |
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.name = "LED-A", |
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.gpio = 7, |
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}, |
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}; |
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static struct gpio_led_platform_data mic256_led_data = { |
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.num_leds = ARRAY_SIZE(mic256_led_pins), |
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.leds = mic256_led_pins, |
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}; |
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static struct platform_device mic256_leds = { |
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.name = "leds-gpio", |
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.id = -1, |
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.dev.platform_data = &mic256_led_data, |
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}; |
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/* Built-in 10/100 Ethernet MAC interfaces */ |
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static struct resource ixp425_npeb_resources[] = { |
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{ |
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.start = IXP4XX_EthB_BASE_PHYS, |
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.end = IXP4XX_EthB_BASE_PHYS + 0x0fff, |
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.flags = IORESOURCE_MEM, |
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}, |
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}; |
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static struct resource ixp425_npec_resources[] = { |
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{ |
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.start = IXP4XX_EthC_BASE_PHYS, |
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.end = IXP4XX_EthC_BASE_PHYS + 0x0fff, |
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.flags = IORESOURCE_MEM, |
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}, |
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}; |
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static struct eth_plat_info ixdp425_plat_eth[] = { |
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{ |
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.phy = 0, |
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.rxq = 3, |
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.txreadyq = 20, |
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}, { |
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.phy = 1, |
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.rxq = 4, |
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.txreadyq = 21, |
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}, |
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}; |
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static struct platform_device ixdp425_eth[] = { |
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{ |
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.name = "ixp4xx_eth", |
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.id = IXP4XX_ETH_NPEB, |
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.dev.platform_data = ixdp425_plat_eth, |
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.num_resources = ARRAY_SIZE(ixp425_npeb_resources), |
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.resource = ixp425_npeb_resources, |
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}, { |
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.name = "ixp4xx_eth", |
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.id = IXP4XX_ETH_NPEC, |
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.dev.platform_data = ixdp425_plat_eth + 1, |
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.num_resources = ARRAY_SIZE(ixp425_npec_resources), |
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.resource = ixp425_npec_resources, |
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}, |
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}; |
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static struct platform_device *devixp_pldev[] __initdata = { |
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&omixp_uart, |
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&omixp_flash_device[0], |
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&ixdp425_eth[0], |
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&ixdp425_eth[1], |
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}; |
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static struct platform_device *mic256_pldev[] __initdata = { |
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&omixp_uart, |
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&omixp_flash_device[0], |
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&mic256_leds, |
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&ixdp425_eth[0], |
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&ixdp425_eth[1], |
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}; |
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static struct platform_device *miccpt_pldev[] __initdata = { |
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&omixp_uart, |
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&omixp_flash_device[0], |
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&omixp_flash_device[1], |
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&ixdp425_eth[0], |
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&ixdp425_eth[1], |
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}; |
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static void __init omixp_init(void) |
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{ |
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ixp4xx_sys_init(); |
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/* 16MiB Boot Flash */ |
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omixp_flash_resources[0].start = IXP4XX_EXP_BUS_BASE(0); |
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omixp_flash_resources[0].end = IXP4XX_EXP_BUS_END(0); |
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/* 32 MiB Data Flash */ |
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omixp_flash_resources[1].start = IXP4XX_EXP_BUS_BASE(2); |
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omixp_flash_resources[1].end = IXP4XX_EXP_BUS_END(2); |
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if (machine_is_devixp()) |
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platform_add_devices(devixp_pldev, ARRAY_SIZE(devixp_pldev)); |
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else if (machine_is_miccpt()) |
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platform_add_devices(miccpt_pldev, ARRAY_SIZE(miccpt_pldev)); |
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else if (machine_is_mic256()) |
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platform_add_devices(mic256_pldev, ARRAY_SIZE(mic256_pldev)); |
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} |
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#ifdef CONFIG_MACH_DEVIXP |
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MACHINE_START(DEVIXP, "Omicron DEVIXP") |
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.atag_offset = 0x100, |
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.map_io = ixp4xx_map_io, |
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.init_early = ixp4xx_init_early, |
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.init_irq = ixp4xx_init_irq, |
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.init_time = ixp4xx_timer_init, |
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.init_machine = omixp_init, |
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.restart = ixp4xx_restart, |
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MACHINE_END |
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#endif |
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#ifdef CONFIG_MACH_MICCPT |
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MACHINE_START(MICCPT, "Omicron MICCPT") |
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.atag_offset = 0x100, |
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.map_io = ixp4xx_map_io, |
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.init_early = ixp4xx_init_early, |
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.init_irq = ixp4xx_init_irq, |
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.init_time = ixp4xx_timer_init, |
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.init_machine = omixp_init, |
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#if defined(CONFIG_PCI) |
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.dma_zone_size = SZ_64M, |
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#endif |
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.restart = ixp4xx_restart, |
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MACHINE_END |
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#endif |
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#ifdef CONFIG_MACH_MIC256 |
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MACHINE_START(MIC256, "Omicron MIC256") |
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.atag_offset = 0x100, |
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.map_io = ixp4xx_map_io, |
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.init_early = ixp4xx_init_early, |
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.init_irq = ixp4xx_init_irq, |
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.init_time = ixp4xx_timer_init, |
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.init_machine = omixp_init, |
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.restart = ixp4xx_restart, |
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MACHINE_END |
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#endif
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