^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * arch/arm/mach-ixp4xx/avila-setup.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Gateworks Avila board-setup
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Author: Michael-Luke Jones <mlj28@cam.ac.uk>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Based on ixdp-setup.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Copyright (C) 2003-2005 MontaVista Software, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Author: Deepak Saxena <dsaxena@plexity.net>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/serial.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/tty.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/serial_8250.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/gpio/machine.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <asm/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <asm/setup.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <asm/memory.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <mach/hardware.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <asm/mach-types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <asm/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <asm/mach/arch.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <asm/mach/flash.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include "irqs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define AVILA_SDA_PIN 7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define AVILA_SCL_PIN 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static struct flash_platform_data avila_flash_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) .map_name = "cfi_probe",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) .width = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static struct resource avila_flash_resource = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static struct platform_device avila_flash = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) .name = "IXP4XX-Flash",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) .id = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) .platform_data = &avila_flash_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .num_resources = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .resource = &avila_flash_resource,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static struct gpiod_lookup_table avila_i2c_gpiod_table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .dev_id = "i2c-gpio.0",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", AVILA_SDA_PIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", AVILA_SCL_PIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) NULL, 1, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static struct platform_device avila_i2c_gpio = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) .name = "i2c-gpio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .id = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .platform_data = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static struct resource avila_uart_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) .start = IXP4XX_UART1_BASE_PHYS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) .flags = IORESOURCE_MEM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) .start = IXP4XX_UART2_BASE_PHYS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) .flags = IORESOURCE_MEM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) static struct plat_serial8250_port avila_uart_data[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) .mapbase = IXP4XX_UART1_BASE_PHYS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .irq = IRQ_IXP4XX_UART1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) .iotype = UPIO_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) .regshift = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) .uartclk = IXP4XX_UART_XTAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) .mapbase = IXP4XX_UART2_BASE_PHYS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) .irq = IRQ_IXP4XX_UART2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .iotype = UPIO_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) .regshift = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) .uartclk = IXP4XX_UART_XTAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) static struct platform_device avila_uart = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .name = "serial8250",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .id = PLAT8250_DEV_PLATFORM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) .dev.platform_data = avila_uart_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) .num_resources = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) .resource = avila_uart_resources
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static struct resource avila_pata_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) .flags = IORESOURCE_MEM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .name = "intrq",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) .start = IRQ_IXP4XX_GPIO12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) .end = IRQ_IXP4XX_GPIO12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) .flags = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) static struct ixp4xx_pata_data avila_pata_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) .cs0_bits = 0xbfff0043,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) .cs1_bits = 0xbfff0043,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static struct platform_device avila_pata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) .name = "pata_ixp4xx_cf",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) .id = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) .dev.platform_data = &avila_pata_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) .num_resources = ARRAY_SIZE(avila_pata_resources),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) .resource = avila_pata_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) static struct platform_device *avila_devices[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) &avila_i2c_gpio,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) &avila_flash,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) &avila_uart
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) static void __init avila_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) ixp4xx_sys_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) avila_flash_resource.end =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) gpiod_add_lookup_table(&avila_i2c_gpiod_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) platform_add_devices(avila_devices, ARRAY_SIZE(avila_devices));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) avila_pata_resources[0].start = IXP4XX_EXP_BUS_BASE(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) avila_pata_resources[0].end = IXP4XX_EXP_BUS_END(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) avila_pata_resources[1].start = IXP4XX_EXP_BUS_BASE(2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) avila_pata_resources[1].end = IXP4XX_EXP_BUS_END(2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) avila_pata_data.cs0_cfg = IXP4XX_EXP_CS1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) avila_pata_data.cs1_cfg = IXP4XX_EXP_CS2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) platform_device_register(&avila_pata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) MACHINE_START(AVILA, "Gateworks Avila Network Platform")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) .map_io = ixp4xx_map_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) .init_early = ixp4xx_init_early,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) .init_irq = ixp4xx_init_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) .init_time = ixp4xx_timer_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) .atag_offset = 0x100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) .init_machine = avila_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) #if defined(CONFIG_PCI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) .dma_zone_size = SZ_64M,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) .restart = ixp4xx_restart,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) MACHINE_END
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) * Loft is functionally equivalent to Avila except that it has a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) * different number for the maximum PCI devices. The MACHINE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) * structure below is identical to Avila except for the comment.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) #ifdef CONFIG_MACH_LOFT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) MACHINE_START(LOFT, "Giant Shoulder Inc Loft board")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) /* Maintainer: Tom Billman <kernel@giantshoulderinc.com> */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) .map_io = ixp4xx_map_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) .init_early = ixp4xx_init_early,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) .init_irq = ixp4xx_init_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) .init_time = ixp4xx_timer_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .atag_offset = 0x100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) .init_machine = avila_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) #if defined(CONFIG_PCI)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) .dma_zone_size = SZ_64M,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) .restart = ixp4xx_restart,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) MACHINE_END
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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