+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * arch/arm/mach-ixp4xx/ixdp425-setup.c
- *
- * IXDP425/IXCDP1100 board-setup
- *
- * Copyright (C) 2003-2005 MontaVista Software, Inc.
- *
- * Author: Deepak Saxena <dsaxena@plexity.net>
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/serial.h>
-#include <linux/tty.h>
-#include <linux/serial_8250.h>
-#include <linux/gpio/machine.h>
-#include <linux/io.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/rawnand.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/platnand.h>
-#include <linux/delay.h>
-#include <linux/gpio.h>
-#include <asm/types.h>
-#include <asm/setup.h>
-#include <asm/memory.h>
-#include <mach/hardware.h>
-#include <asm/mach-types.h>
-#include <asm/irq.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/flash.h>
-
-#include "irqs.h"
-
-#define IXDP425_SDA_PIN 7
-#define IXDP425_SCL_PIN 6
-
-/* NAND Flash pins */
-#define IXDP425_NAND_NCE_PIN 12
-
-#define IXDP425_NAND_CMD_BYTE 0x01
-#define IXDP425_NAND_ADDR_BYTE 0x02
-
-static struct flash_platform_data ixdp425_flash_data = {
- .map_name = "cfi_probe",
- .width = 2,
-};
-
-static struct resource ixdp425_flash_resource = {
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device ixdp425_flash = {
- .name = "IXP4XX-Flash",
- .id = 0,
- .dev = {
- .platform_data = &ixdp425_flash_data,
- },
- .num_resources = 1,
- .resource = &ixdp425_flash_resource,
-};
-
-#if defined(CONFIG_MTD_NAND_PLATFORM) || \
- defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
-
-static struct mtd_partition ixdp425_partitions[] = {
- {
- .name = "ixp400 NAND FS 0",
- .offset = 0,
- .size = SZ_8M
- }, {
- .name = "ixp400 NAND FS 1",
- .offset = MTDPART_OFS_APPEND,
- .size = MTDPART_SIZ_FULL
- },
-};
-
-static void
-ixdp425_flash_nand_cmd_ctrl(struct nand_chip *this, int cmd, unsigned int ctrl)
-{
- int offset = (int)nand_get_controller_data(this);
-
- if (ctrl & NAND_CTRL_CHANGE) {
- if (ctrl & NAND_NCE) {
- gpio_set_value(IXDP425_NAND_NCE_PIN, 0);
- udelay(5);
- } else
- gpio_set_value(IXDP425_NAND_NCE_PIN, 1);
-
- offset = (ctrl & NAND_CLE) ? IXDP425_NAND_CMD_BYTE : 0;
- offset |= (ctrl & NAND_ALE) ? IXDP425_NAND_ADDR_BYTE : 0;
- nand_set_controller_data(this, (void *)offset);
- }
-
- if (cmd != NAND_CMD_NONE)
- writeb(cmd, this->legacy.IO_ADDR_W + offset);
-}
-
-static struct platform_nand_data ixdp425_flash_nand_data = {
- .chip = {
- .nr_chips = 1,
- .chip_delay = 30,
- .partitions = ixdp425_partitions,
- .nr_partitions = ARRAY_SIZE(ixdp425_partitions),
- },
- .ctrl = {
- .cmd_ctrl = ixdp425_flash_nand_cmd_ctrl
- }
-};
-
-static struct resource ixdp425_flash_nand_resource = {
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device ixdp425_flash_nand = {
- .name = "gen_nand",
- .id = -1,
- .dev = {
- .platform_data = &ixdp425_flash_nand_data,
- },
- .num_resources = 1,
- .resource = &ixdp425_flash_nand_resource,
-};
-#endif /* CONFIG_MTD_NAND_PLATFORM */
-
-static struct gpiod_lookup_table ixdp425_i2c_gpiod_table = {
- .dev_id = "i2c-gpio.0",
- .table = {
- GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", IXDP425_SDA_PIN,
- NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
- GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", IXDP425_SCL_PIN,
- NULL, 1, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
- },
-};
-
-static struct platform_device ixdp425_i2c_gpio = {
- .name = "i2c-gpio",
- .id = 0,
- .dev = {
- .platform_data = NULL,
- },
-};
-
-static struct resource ixdp425_uart_resources[] = {
- {
- .start = IXP4XX_UART1_BASE_PHYS,
- .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
- .flags = IORESOURCE_MEM
- },
- {
- .start = IXP4XX_UART2_BASE_PHYS,
- .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
- .flags = IORESOURCE_MEM
- }
-};
-
-static struct plat_serial8250_port ixdp425_uart_data[] = {
- {
- .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,
- },
- {
- .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,
- },
- { },
-};
-
-static struct platform_device ixdp425_uart = {
- .name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM,
- .dev.platform_data = ixdp425_uart_data,
- .num_resources = 2,
- .resource = ixdp425_uart_resources
-};
-
-/* Built-in 10/100 Ethernet MAC interfaces */
-static struct resource ixp425_npeb_resources[] = {
- {
- .start = IXP4XX_EthB_BASE_PHYS,
- .end = IXP4XX_EthB_BASE_PHYS + 0x0fff,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct resource ixp425_npec_resources[] = {
- {
- .start = IXP4XX_EthC_BASE_PHYS,
- .end = IXP4XX_EthC_BASE_PHYS + 0x0fff,
- .flags = IORESOURCE_MEM,
- },
-};
-
-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,
- .num_resources = ARRAY_SIZE(ixp425_npeb_resources),
- .resource = ixp425_npeb_resources,
- }, {
- .name = "ixp4xx_eth",
- .id = IXP4XX_ETH_NPEC,
- .dev.platform_data = ixdp425_plat_eth + 1,
- .num_resources = ARRAY_SIZE(ixp425_npec_resources),
- .resource = ixp425_npec_resources,
- }
-};
-
-static struct platform_device *ixdp425_devices[] __initdata = {
- &ixdp425_i2c_gpio,
- &ixdp425_flash,
-#if defined(CONFIG_MTD_NAND_PLATFORM) || \
- defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
- &ixdp425_flash_nand,
-#endif
- &ixdp425_uart,
- &ixdp425_eth[0],
- &ixdp425_eth[1],
-};
-
-static void __init ixdp425_init(void)
-{
- ixp4xx_sys_init();
-
- ixdp425_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
- ixdp425_flash_resource.end =
- IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
-
-#if defined(CONFIG_MTD_NAND_PLATFORM) || \
- defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
- ixdp425_flash_nand_resource.start = IXP4XX_EXP_BUS_BASE(3),
- ixdp425_flash_nand_resource.end = IXP4XX_EXP_BUS_BASE(3) + 0x10 - 1;
-
- gpio_request(IXDP425_NAND_NCE_PIN, "NAND NCE pin");
- gpio_direction_output(IXDP425_NAND_NCE_PIN, 0);
-
- /* Configure expansion bus for NAND Flash */
- *IXP4XX_EXP_CS3 = IXP4XX_EXP_BUS_CS_EN |
- IXP4XX_EXP_BUS_STROBE_T(1) | /* extend by 1 clock */
- IXP4XX_EXP_BUS_CYCLES(0) | /* Intel cycles */
- IXP4XX_EXP_BUS_SIZE(0) | /* 512bytes addr space*/
- IXP4XX_EXP_BUS_WR_EN |
- IXP4XX_EXP_BUS_BYTE_EN; /* 8 bit data bus */
-#endif
-
- if (cpu_is_ixp43x()) {
- ixdp425_uart.num_resources = 1;
- ixdp425_uart_data[1].flags = 0;
- }
-
- gpiod_add_lookup_table(&ixdp425_i2c_gpiod_table);
- platform_add_devices(ixdp425_devices, ARRAY_SIZE(ixdp425_devices));
-}
-
-#ifdef CONFIG_ARCH_IXDP425
-MACHINE_START(IXDP425, "Intel IXDP425 Development Platform")
- /* Maintainer: MontaVista Software, Inc. */
- .map_io = ixp4xx_map_io,
- .init_early = ixp4xx_init_early,
- .init_irq = ixp4xx_init_irq,
- .init_time = ixp4xx_timer_init,
- .atag_offset = 0x100,
- .init_machine = ixdp425_init,
-#if defined(CONFIG_PCI)
- .dma_zone_size = SZ_64M,
-#endif
- .restart = ixp4xx_restart,
-MACHINE_END
-#endif
-
-#ifdef CONFIG_MACH_IXDP465
-MACHINE_START(IXDP465, "Intel IXDP465 Development Platform")
- /* Maintainer: MontaVista Software, Inc. */
- .map_io = ixp4xx_map_io,
- .init_early = ixp4xx_init_early,
- .init_irq = ixp4xx_init_irq,
- .init_time = ixp4xx_timer_init,
- .atag_offset = 0x100,
- .init_machine = ixdp425_init,
-#if defined(CONFIG_PCI)
- .dma_zone_size = SZ_64M,
-#endif
-MACHINE_END
-#endif
-
-#ifdef CONFIG_ARCH_PRPMC1100
-MACHINE_START(IXCDP1100, "Intel IXCDP1100 Development Platform")
- /* Maintainer: MontaVista Software, Inc. */
- .map_io = ixp4xx_map_io,
- .init_early = ixp4xx_init_early,
- .init_irq = ixp4xx_init_irq,
- .init_time = ixp4xx_timer_init,
- .atag_offset = 0x100,
- .init_machine = ixdp425_init,
-#if defined(CONFIG_PCI)
- .dma_zone_size = SZ_64M,
-#endif
-MACHINE_END
-#endif
-
-#ifdef CONFIG_MACH_KIXRP435
-MACHINE_START(KIXRP435, "Intel KIXRP435 Reference Platform")
- /* Maintainer: MontaVista Software, Inc. */
- .map_io = ixp4xx_map_io,
- .init_early = ixp4xx_init_early,
- .init_irq = ixp4xx_init_irq,
- .init_time = ixp4xx_timer_init,
- .atag_offset = 0x100,
- .init_machine = ixdp425_init,
-#if defined(CONFIG_PCI)
- .dma_zone_size = SZ_64M,
-#endif
-MACHINE_END
-#endif
projects / platform / kernel / linux-rpi.git / commitdiff