^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) // Copyright (c) 2006 Simtec Electronics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) // Ben Dooks <ben@simtec.co.uk>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) // Common code for SMDK2410 and SMDK2440 boards
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) // http://www.fluff.org/ben/smdk2440/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/timer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/gpio/machine.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/mtd/mtd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/mtd/rawnand.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/mtd/nand_ecc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/mtd/partitions.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <asm/mach/arch.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <asm/mach/map.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <asm/mach/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <asm/mach-types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <asm/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include "regs-gpio.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include "gpio-samsung.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include <linux/platform_data/leds-s3c24xx.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #include <linux/platform_data/mtd-nand-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 "pm.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #include "common-smdk-s3c24xx.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) /* LED devices */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static struct gpiod_lookup_table smdk_led4_gpio_table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .dev_id = "s3c24xx_led.0",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) .table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) GPIO_LOOKUP("GPF", 4, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) },
^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 smdk_led5_gpio_table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .dev_id = "s3c24xx_led.1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) GPIO_LOOKUP("GPF", 5, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static struct gpiod_lookup_table smdk_led6_gpio_table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .dev_id = "s3c24xx_led.2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) GPIO_LOOKUP("GPF", 6, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) static struct gpiod_lookup_table smdk_led7_gpio_table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) .dev_id = "s3c24xx_led.3",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) .table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) GPIO_LOOKUP("GPF", 7, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
^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) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) static struct s3c24xx_led_platdata smdk_pdata_led4 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) .name = "led4",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) .def_trigger = "timer",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) static struct s3c24xx_led_platdata smdk_pdata_led5 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) .name = "led5",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) .def_trigger = "nand-disk",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) static struct s3c24xx_led_platdata smdk_pdata_led6 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .name = "led6",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) static struct s3c24xx_led_platdata smdk_pdata_led7 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) .name = "led7",
^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) static struct platform_device smdk_led4 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) .name = "s3c24xx_led",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) .id = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .platform_data = &smdk_pdata_led4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) static struct platform_device smdk_led5 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) .name = "s3c24xx_led",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) .id = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .platform_data = &smdk_pdata_led5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) },
^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 struct platform_device smdk_led6 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) .name = "s3c24xx_led",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) .id = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) .platform_data = &smdk_pdata_led6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) },
^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) static struct platform_device smdk_led7 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) .name = "s3c24xx_led",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) .id = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) .platform_data = &smdk_pdata_led7,
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) /* NAND parititon from 2.4.18-swl5 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) static struct mtd_partition smdk_default_nand_part[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) [0] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) .name = "Boot Agent",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) .size = SZ_16K,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) .offset = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) [1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) .name = "S3C2410 flash partition 1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) .offset = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) .size = SZ_2M,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) [2] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) .name = "S3C2410 flash partition 2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) .offset = SZ_4M,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) .size = SZ_4M,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) [3] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) .name = "S3C2410 flash partition 3",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) .offset = SZ_8M,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) .size = SZ_2M,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) [4] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) .name = "S3C2410 flash partition 4",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) .offset = SZ_1M * 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) .size = SZ_4M,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) [5] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .name = "S3C2410 flash partition 5",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) .offset = SZ_1M * 14,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) .size = SZ_1M * 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) [6] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) .name = "S3C2410 flash partition 6",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) .offset = SZ_1M * 24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) .size = SZ_1M * 24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) [7] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) .name = "S3C2410 flash partition 7",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) .offset = SZ_1M * 48,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) .size = MTDPART_SIZ_FULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) }
^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) static struct s3c2410_nand_set smdk_nand_sets[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) [0] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) .name = "NAND",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) .nr_chips = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) .nr_partitions = ARRAY_SIZE(smdk_default_nand_part),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) .partitions = smdk_default_nand_part,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) /* choose a set of timings which should suit most 512Mbit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) * chips and beyond.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) static struct s3c2410_platform_nand smdk_nand_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) .tacls = 20,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) .twrph0 = 60,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) .twrph1 = 20,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) .nr_sets = ARRAY_SIZE(smdk_nand_sets),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .sets = smdk_nand_sets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .engine_type = NAND_ECC_ENGINE_TYPE_SOFT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) /* devices we initialise */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) static struct platform_device __initdata *smdk_devs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) &s3c_device_nand,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) &smdk_led4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) &smdk_led5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) &smdk_led6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) &smdk_led7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) void __init smdk_machine_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (machine_is_smdk2443())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) smdk_nand_info.twrph0 = 50;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) s3c_nand_set_platdata(&smdk_nand_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) /* Disable pull-up on the LED lines */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) s3c_gpio_setpull(S3C2410_GPF(4), S3C_GPIO_PULL_NONE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) s3c_gpio_setpull(S3C2410_GPF(5), S3C_GPIO_PULL_NONE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) s3c_gpio_setpull(S3C2410_GPF(6), S3C_GPIO_PULL_NONE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) s3c_gpio_setpull(S3C2410_GPF(7), S3C_GPIO_PULL_NONE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) /* Add lookups for the lines */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) gpiod_add_lookup_table(&smdk_led4_gpio_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) gpiod_add_lookup_table(&smdk_led5_gpio_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) gpiod_add_lookup_table(&smdk_led6_gpio_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) gpiod_add_lookup_table(&smdk_led7_gpio_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) s3c_pm_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }