diff options
Diffstat (limited to 'arch/arm/mach-ks8695/board-acs5k.c')
-rw-r--r-- | arch/arm/mach-ks8695/board-acs5k.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/arch/arm/mach-ks8695/board-acs5k.c b/arch/arm/mach-ks8695/board-acs5k.c deleted file mode 100644 index f319258d1226..000000000000 --- a/arch/arm/mach-ks8695/board-acs5k.c +++ /dev/null @@ -1,238 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/mach-ks8695/board-acs5k.c - * - * Brivo Systems LLC, ACS-5000 Master Board - * - * Copyright 2008 Simtec Electronics - * Daniel Silverstone <dsilvers@simtec.co.uk> - */ -#include <linux/gpio.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/gpio/machine.h> -#include <linux/i2c.h> -#include <linux/i2c-algo-bit.h> -#include <linux/platform_data/i2c-gpio.h> -#include <linux/platform_data/pca953x.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/physmap.h> -#include <linux/mtd/partitions.h> - -#include <asm/mach-types.h> - -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/irq.h> - -#include "devices.h" -#include <mach/gpio-ks8695.h> - -#include "generic.h" - -static struct gpiod_lookup_table acs5k_i2c_gpiod_table = { - .dev_id = "i2c-gpio", - .table = { - GPIO_LOOKUP_IDX("KS8695", 4, NULL, 0, - GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), - GPIO_LOOKUP_IDX("KS8695", 5, NULL, 1, - GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), - }, -}; - -static struct i2c_gpio_platform_data acs5k_i2c_device_platdata = { - .udelay = 10, -}; - -static struct platform_device acs5k_i2c_device = { - .name = "i2c-gpio", - .id = -1, - .num_resources = 0, - .resource = NULL, - .dev = { - .platform_data = &acs5k_i2c_device_platdata, - }, -}; - -static int acs5k_pca9555_setup(struct i2c_client *client, - unsigned gpio_base, unsigned ngpio, - void *context) -{ - static int acs5k_gpio_value[] = { - -1, -1, -1, -1, -1, -1, -1, 0, 1, 1, -1, 0, 1, 0, -1, -1 - }; - int n; - - for (n = 0; n < ARRAY_SIZE(acs5k_gpio_value); ++n) { - gpio_request(gpio_base + n, "ACS-5000 GPIO Expander"); - if (acs5k_gpio_value[n] < 0) - gpio_direction_input(gpio_base + n); - else - gpio_direction_output(gpio_base + n, - acs5k_gpio_value[n]); - gpio_export(gpio_base + n, 0); /* Export, direction locked down */ - } - - return 0; -} - -static struct pca953x_platform_data acs5k_i2c_pca9555_platdata = { - .gpio_base = 16, /* Start directly after the CPU's GPIO */ - .invert = 0, /* Do not invert */ - .setup = acs5k_pca9555_setup, -}; - -static struct i2c_board_info acs5k_i2c_devs[] __initdata = { - { - I2C_BOARD_INFO("pcf8563", 0x51), - }, - { - I2C_BOARD_INFO("pca9555", 0x20), - .platform_data = &acs5k_i2c_pca9555_platdata, - }, -}; - -static void __init acs5k_i2c_init(void) -{ - /* The gpio interface */ - gpiod_add_lookup_table(&acs5k_i2c_gpiod_table); - platform_device_register(&acs5k_i2c_device); - /* I2C devices */ - i2c_register_board_info(0, acs5k_i2c_devs, - ARRAY_SIZE(acs5k_i2c_devs)); -} - -static struct mtd_partition acs5k_nor_partitions[] = { - [0] = { - .name = "Boot Agent and config", - .size = SZ_256K, - .offset = 0, - .mask_flags = MTD_WRITEABLE, - }, - [1] = { - .name = "Kernel", - .size = SZ_1M, - .offset = SZ_256K, - }, - [2] = { - .name = "SquashFS1", - .size = SZ_2M, - .offset = SZ_256K + SZ_1M, - }, - [3] = { - .name = "SquashFS2", - .size = SZ_4M + SZ_2M, - .offset = SZ_256K + SZ_1M + SZ_2M, - }, - [4] = { - .name = "Data", - .size = SZ_16M + SZ_4M + SZ_2M + SZ_512K, /* 22.5 MB */ - .offset = SZ_256K + SZ_8M + SZ_1M, - } -}; - -static struct physmap_flash_data acs5k_nor_pdata = { - .width = 4, - .nr_parts = ARRAY_SIZE(acs5k_nor_partitions), - .parts = acs5k_nor_partitions, -}; - -static struct resource acs5k_nor_resource[] = { - [0] = { - .start = SZ_32M, /* We expect the bootloader to map - * the flash here. - */ - .end = SZ_32M + SZ_16M - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = SZ_32M + SZ_16M, - .end = SZ_32M + SZ_32M - SZ_256K - 1, - .flags = IORESOURCE_MEM, - } -}; - -static struct platform_device acs5k_device_nor = { - .name = "physmap-flash", - .id = -1, - .num_resources = ARRAY_SIZE(acs5k_nor_resource), - .resource = acs5k_nor_resource, - .dev = { - .platform_data = &acs5k_nor_pdata, - }, -}; - -static void __init acs5k_register_nor(void) -{ - int ret; - - if (acs5k_nor_partitions[0].mask_flags == 0) - printk(KERN_WARNING "Warning: Unprotecting bootloader and configuration partition\n"); - - ret = platform_device_register(&acs5k_device_nor); - if (ret < 0) - printk(KERN_ERR "failed to register physmap-flash device\n"); -} - -static int __init acs5k_protection_setup(char *s) -{ - /* We can't allocate anything here but we should be able - * to trivially parse s and decide if we can protect the - * bootloader partition or not - */ - if (strcmp(s, "no") == 0) - acs5k_nor_partitions[0].mask_flags = 0; - - return 1; -} - -__setup("protect_bootloader=", acs5k_protection_setup); - -static void __init acs5k_init_gpio(void) -{ - int i; - - ks8695_register_gpios(); - for (i = 0; i < 4; ++i) - gpio_request(i, "ACS5K IRQ"); - gpio_request(7, "ACS5K KS_FRDY"); - for (i = 8; i < 16; ++i) - gpio_request(i, "ACS5K Unused"); - - gpio_request(3, "ACS5K CAN Control"); - gpio_request(6, "ACS5K Heartbeat"); - gpio_direction_output(3, 1); /* Default CAN_RESET high */ - gpio_direction_output(6, 0); /* Default KS8695_ACTIVE low */ - gpio_export(3, 0); /* export CAN_RESET as output only */ - gpio_export(6, 0); /* export KS8695_ACTIVE as output only */ -} - -static void __init acs5k_init(void) -{ - acs5k_init_gpio(); - - /* Network device */ - ks8695_add_device_lan(); /* eth0 = LAN */ - ks8695_add_device_wan(); /* ethX = WAN */ - - /* NOR devices */ - acs5k_register_nor(); - - /* I2C bus */ - acs5k_i2c_init(); -} - -MACHINE_START(ACS5K, "Brivo Systems LLC ACS-5000 Master board") - /* Maintainer: Simtec Electronics. */ - .atag_offset = 0x100, - .map_io = ks8695_map_io, - .init_irq = ks8695_init_irq, - .init_machine = acs5k_init, - .init_time = ks8695_timer_init, - .restart = ks8695_restart, -MACHINE_END |