mach-otom.c (2923B)
1// SPDX-License-Identifier: GPL-2.0 2// 3// Copyright (c) 2004 Nex Vision 4// Guillaume GOURAT <guillaume.gourat@nexvision.fr> 5 6#include <linux/kernel.h> 7#include <linux/types.h> 8#include <linux/interrupt.h> 9#include <linux/list.h> 10#include <linux/timer.h> 11#include <linux/init.h> 12#include <linux/serial_core.h> 13#include <linux/serial_s3c.h> 14#include <linux/platform_device.h> 15#include <linux/io.h> 16 17#include <linux/platform_data/i2c-s3c2410.h> 18 19#include <asm/irq.h> 20#include <asm/mach-types.h> 21#include <asm/mach/arch.h> 22#include <asm/mach/map.h> 23#include <asm/mach/irq.h> 24 25#include "gpio-samsung.h" 26#include "gpio-cfg.h" 27 28#include "cpu.h" 29#include "devs.h" 30 31#include "s3c24xx.h" 32#include "otom.h" 33 34static struct map_desc otom11_iodesc[] __initdata = { 35 /* Device area */ 36 { (u32)OTOM_VA_CS8900A_BASE, OTOM_PA_CS8900A_BASE, SZ_16M, MT_DEVICE }, 37}; 38 39#define UCON S3C2410_UCON_DEFAULT 40#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB 41#define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE 42 43static struct s3c2410_uartcfg otom11_uartcfgs[] __initdata = { 44 [0] = { 45 .hwport = 0, 46 .flags = 0, 47 .ucon = UCON, 48 .ulcon = ULCON, 49 .ufcon = UFCON, 50 }, 51 [1] = { 52 .hwport = 1, 53 .flags = 0, 54 .ucon = UCON, 55 .ulcon = ULCON, 56 .ufcon = UFCON, 57 }, 58 /* port 2 is not actually used */ 59 [2] = { 60 .hwport = 2, 61 .flags = 0, 62 .ucon = UCON, 63 .ulcon = ULCON, 64 .ufcon = UFCON, 65 } 66}; 67 68/* NOR Flash on NexVision OTOM board */ 69 70static struct resource otom_nor_resource[] = { 71 [0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_4M), 72}; 73 74static struct platform_device otom_device_nor = { 75 .name = "mtd-flash", 76 .id = -1, 77 .num_resources = ARRAY_SIZE(otom_nor_resource), 78 .resource = otom_nor_resource, 79}; 80 81/* Standard OTOM devices */ 82 83static struct platform_device *otom11_devices[] __initdata = { 84 &s3c_device_ohci, 85 &s3c_device_lcd, 86 &s3c_device_wdt, 87 &s3c_device_i2c0, 88 &s3c_device_iis, 89 &s3c_device_rtc, 90 &otom_device_nor, 91}; 92 93static void __init otom11_map_io(void) 94{ 95 s3c24xx_init_io(otom11_iodesc, ARRAY_SIZE(otom11_iodesc)); 96 s3c24xx_init_uarts(otom11_uartcfgs, ARRAY_SIZE(otom11_uartcfgs)); 97 s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4); 98} 99 100static void __init otom11_init_time(void) 101{ 102 s3c2410_init_clocks(12000000); 103 s3c24xx_timer_init(); 104} 105 106static void __init otom11_init(void) 107{ 108 s3c_i2c0_set_platdata(NULL); 109 110 /* Configure the I2S pins (GPE0...GPE4) in correct mode */ 111 s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2), 112 S3C_GPIO_PULL_NONE); 113 platform_add_devices(otom11_devices, ARRAY_SIZE(otom11_devices)); 114} 115 116MACHINE_START(OTOM, "Nex Vision - Otom 1.1") 117 /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */ 118 .atag_offset = 0x100, 119 .nr_irqs = NR_IRQS_S3C2410, 120 .map_io = otom11_map_io, 121 .init_machine = otom11_init, 122 .init_irq = s3c2410_init_irq, 123 .init_time = otom11_init_time, 124MACHINE_END