^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) // linux/arch/arm/mach-s3c2440/mach-nexcoder.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) // Copyright (c) 2004 Nex Vision
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) // Guillaume GOURAT <guillaume.gourat@nexvision.tv>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) // Modifications:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) // 15-10-2004 GG Created initial version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) // 12-03-2005 BJD Updated for release
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/timer.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/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/serial_core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/serial_s3c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/mtd/map.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <asm/mach/arch.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <asm/mach/map.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <asm/mach/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <asm/setup.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <asm/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <asm/mach-types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) //#include <asm/debug-ll.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include "regs-gpio.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include "gpio-samsung.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #include <linux/platform_data/i2c-s3c2410.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #include "gpio-cfg.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #include "devs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #include "cpu.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #include "s3c24xx.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static struct map_desc nexcoder_iodesc[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) /* nothing here yet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define UCON S3C2410_UCON_DEFAULT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) [0] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) .hwport = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .flags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .ucon = UCON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .ulcon = ULCON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .ufcon = UFCON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) [1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .hwport = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .flags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .ucon = UCON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .ulcon = ULCON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) .ufcon = UFCON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) [2] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .hwport = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .flags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) .ucon = UCON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) .ulcon = ULCON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) .ufcon = UFCON,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /* NOR Flash on NexVision NexCoder 2440 board */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) static struct resource nexcoder_nor_resource[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) [0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_8M),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) static struct map_info nexcoder_nor_map = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) .bankwidth = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) static struct platform_device nexcoder_device_nor = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) .name = "mtd-flash",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .num_resources = ARRAY_SIZE(nexcoder_nor_resource),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) .resource = nexcoder_nor_resource,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) .dev =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) .platform_data = &nexcoder_nor_map,
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) /* Standard Nexcoder devices */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) static struct platform_device *nexcoder_devices[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) &s3c_device_ohci,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) &s3c_device_lcd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) &s3c_device_wdt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) &s3c_device_i2c0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) &s3c_device_iis,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) &s3c_device_rtc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) &s3c_device_camif,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) &s3c_device_spi0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) &s3c_device_spi1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) &nexcoder_device_nor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) static void __init nexcoder_sensorboard_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) /* Initialize SCCB bus */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) gpio_request_one(S3C2410_GPE(14), GPIOF_OUT_INIT_HIGH, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) gpio_free(S3C2410_GPE(14)); /* IICSCL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) gpio_request_one(S3C2410_GPE(15), GPIOF_OUT_INIT_HIGH, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) gpio_free(S3C2410_GPE(15)); /* IICSDA */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) /* Power up the sensor board */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) gpio_request_one(S3C2410_GPF(1), GPIOF_OUT_INIT_HIGH, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) gpio_free(S3C2410_GPF(1)); /* CAM_GPIO7 => nLDO_PWRDN */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) gpio_request_one(S3C2410_GPF(2), GPIOF_OUT_INIT_LOW, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) gpio_free(S3C2410_GPF(2)); /* CAM_GPIO6 => CAM_PWRDN */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static void __init nexcoder_map_io(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) nexcoder_sensorboard_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) static void __init nexcoder_init_time(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) s3c2440_init_clocks(12000000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) s3c24xx_timer_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) static void __init nexcoder_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) s3c_i2c0_set_platdata(NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) /* Configure the I2S pins (GPE0...GPE4) in correct mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) S3C_GPIO_PULL_NONE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) .atag_offset = 0x100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) .map_io = nexcoder_map_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .init_machine = nexcoder_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) .init_irq = s3c2440_init_irq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) .init_time = nexcoder_init_time,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) MACHINE_END