|  | // SPDX-License-Identifier: GPL-2.0 | 
|  | // | 
|  | // Copyright (c) 2003-2008 Simtec Electronics | 
|  | //   Ben Dooks <ben@simtec.co.uk> | 
|  | // | 
|  | // Machine support for Thorcom VR1000 board. Designed for Thorcom by | 
|  | // Simtec Electronics, http://www.simtec.co.uk/ | 
|  |  | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/types.h> | 
|  | #include <linux/interrupt.h> | 
|  | #include <linux/list.h> | 
|  | #include <linux/timer.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/gpio.h> | 
|  | #include <linux/gpio/machine.h> | 
|  | #include <linux/dm9000.h> | 
|  | #include <linux/i2c.h> | 
|  |  | 
|  | #include <linux/serial.h> | 
|  | #include <linux/tty.h> | 
|  | #include <linux/serial_8250.h> | 
|  | #include <linux/serial_reg.h> | 
|  | #include <linux/serial_s3c.h> | 
|  | #include <linux/io.h> | 
|  |  | 
|  | #include <asm/mach/arch.h> | 
|  | #include <asm/mach/map.h> | 
|  | #include <asm/mach/irq.h> | 
|  |  | 
|  | #include <asm/irq.h> | 
|  | #include <asm/mach-types.h> | 
|  |  | 
|  | #include <linux/platform_data/leds-s3c24xx.h> | 
|  | #include <linux/platform_data/i2c-s3c2410.h> | 
|  | #include <linux/platform_data/asoc-s3c24xx_simtec.h> | 
|  |  | 
|  | #include "regs-gpio.h" | 
|  | #include "gpio-samsung.h" | 
|  | #include "gpio-cfg.h" | 
|  |  | 
|  | #include "cpu.h" | 
|  | #include "devs.h" | 
|  |  | 
|  | #include "bast.h" | 
|  | #include "s3c24xx.h" | 
|  | #include "simtec.h" | 
|  | #include "vr1000.h" | 
|  |  | 
|  | /* macros for virtual address mods for the io space entries */ | 
|  | #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5) | 
|  | #define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4) | 
|  | #define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3) | 
|  | #define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2) | 
|  |  | 
|  | /* macros to modify the physical addresses for io space */ | 
|  |  | 
|  | #define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2)) | 
|  | #define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3)) | 
|  | #define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4)) | 
|  | #define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5)) | 
|  |  | 
|  | static struct map_desc vr1000_iodesc[] __initdata = { | 
|  | /* ISA IO areas */ | 
|  | { | 
|  | .virtual	= (u32)S3C24XX_VA_ISA_BYTE, | 
|  | .pfn		= PA_CS2(BAST_PA_ISAIO), | 
|  | .length	= SZ_16M, | 
|  | .type		= MT_DEVICE, | 
|  | }, { | 
|  | .virtual	= (u32)S3C24XX_VA_ISA_WORD, | 
|  | .pfn		= PA_CS3(BAST_PA_ISAIO), | 
|  | .length	= SZ_16M, | 
|  | .type		= MT_DEVICE, | 
|  | }, | 
|  |  | 
|  | /*  CPLD control registers, and external interrupt controls */ | 
|  | { | 
|  | .virtual	= (u32)VR1000_VA_CTRL1, | 
|  | .pfn		= __phys_to_pfn(VR1000_PA_CTRL1), | 
|  | .length	= SZ_1M, | 
|  | .type		= MT_DEVICE, | 
|  | }, { | 
|  | .virtual	= (u32)VR1000_VA_CTRL2, | 
|  | .pfn		= __phys_to_pfn(VR1000_PA_CTRL2), | 
|  | .length	= SZ_1M, | 
|  | .type		= MT_DEVICE, | 
|  | }, { | 
|  | .virtual	= (u32)VR1000_VA_CTRL3, | 
|  | .pfn		= __phys_to_pfn(VR1000_PA_CTRL3), | 
|  | .length	= SZ_1M, | 
|  | .type		= MT_DEVICE, | 
|  | }, { | 
|  | .virtual	= (u32)VR1000_VA_CTRL4, | 
|  | .pfn		= __phys_to_pfn(VR1000_PA_CTRL4), | 
|  | .length	= SZ_1M, | 
|  | .type		= MT_DEVICE, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK | 
|  | #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB | 
|  | #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE | 
|  |  | 
|  | static struct s3c2410_uartcfg vr1000_uartcfgs[] __initdata = { | 
|  | [0] = { | 
|  | .hwport	     = 0, | 
|  | .flags	     = 0, | 
|  | .ucon	     = UCON, | 
|  | .ulcon	     = ULCON, | 
|  | .ufcon	     = UFCON, | 
|  | }, | 
|  | [1] = { | 
|  | .hwport	     = 1, | 
|  | .flags	     = 0, | 
|  | .ucon	     = UCON, | 
|  | .ulcon	     = ULCON, | 
|  | .ufcon	     = UFCON, | 
|  | }, | 
|  | /* port 2 is not actually used */ | 
|  | [2] = { | 
|  | .hwport	     = 2, | 
|  | .flags	     = 0, | 
|  | .ucon	     = UCON, | 
|  | .ulcon	     = ULCON, | 
|  | .ufcon	     = UFCON, | 
|  | } | 
|  | }; | 
|  |  | 
|  | /* definitions for the vr1000 extra 16550 serial ports */ | 
|  |  | 
|  | #define VR1000_BAUDBASE (3692307) | 
|  |  | 
|  | #define VR1000_SERIAL_MAPBASE(x) (VR1000_PA_SERIAL + 0x80 + ((x) << 5)) | 
|  |  | 
|  | static struct plat_serial8250_port serial_platform_data[] = { | 
|  | [0] = { | 
|  | .mapbase	= VR1000_SERIAL_MAPBASE(0), | 
|  | .irq		= VR1000_IRQ_SERIAL + 0, | 
|  | .flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP, | 
|  | .iotype		= UPIO_MEM, | 
|  | .regshift	= 0, | 
|  | .uartclk	= VR1000_BAUDBASE, | 
|  | }, | 
|  | [1] = { | 
|  | .mapbase	= VR1000_SERIAL_MAPBASE(1), | 
|  | .irq		= VR1000_IRQ_SERIAL + 1, | 
|  | .flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP, | 
|  | .iotype		= UPIO_MEM, | 
|  | .regshift	= 0, | 
|  | .uartclk	= VR1000_BAUDBASE, | 
|  | }, | 
|  | [2] = { | 
|  | .mapbase	= VR1000_SERIAL_MAPBASE(2), | 
|  | .irq		= VR1000_IRQ_SERIAL + 2, | 
|  | .flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP, | 
|  | .iotype		= UPIO_MEM, | 
|  | .regshift	= 0, | 
|  | .uartclk	= VR1000_BAUDBASE, | 
|  | }, | 
|  | [3] = { | 
|  | .mapbase	= VR1000_SERIAL_MAPBASE(3), | 
|  | .irq		= VR1000_IRQ_SERIAL + 3, | 
|  | .flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP, | 
|  | .iotype		= UPIO_MEM, | 
|  | .regshift	= 0, | 
|  | .uartclk	= VR1000_BAUDBASE, | 
|  | }, | 
|  | { }, | 
|  | }; | 
|  |  | 
|  | static struct platform_device serial_device = { | 
|  | .name			= "serial8250", | 
|  | .id			= PLAT8250_DEV_PLATFORM, | 
|  | .dev			= { | 
|  | .platform_data	= serial_platform_data, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* DM9000 ethernet devices */ | 
|  |  | 
|  | static struct resource vr1000_dm9k0_resource[] = { | 
|  | [0] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000, 4), | 
|  | [1] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0x40, 0x40), | 
|  | [2] = DEFINE_RES_NAMED(VR1000_IRQ_DM9000A, 1, NULL, IORESOURCE_IRQ \ | 
|  | | IORESOURCE_IRQ_HIGHLEVEL), | 
|  | }; | 
|  |  | 
|  | static struct resource vr1000_dm9k1_resource[] = { | 
|  | [0] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0x80, 4), | 
|  | [1] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0xC0, 0x40), | 
|  | [2] = DEFINE_RES_NAMED(VR1000_IRQ_DM9000N, 1, NULL, IORESOURCE_IRQ \ | 
|  | | IORESOURCE_IRQ_HIGHLEVEL), | 
|  | }; | 
|  |  | 
|  | /* for the moment we limit ourselves to 16bit IO until some | 
|  | * better IO routines can be written and tested | 
|  | */ | 
|  |  | 
|  | static struct dm9000_plat_data vr1000_dm9k_platdata = { | 
|  | .flags		= DM9000_PLATF_16BITONLY, | 
|  | }; | 
|  |  | 
|  | static struct platform_device vr1000_dm9k0 = { | 
|  | .name		= "dm9000", | 
|  | .id		= 0, | 
|  | .num_resources	= ARRAY_SIZE(vr1000_dm9k0_resource), | 
|  | .resource	= vr1000_dm9k0_resource, | 
|  | .dev		= { | 
|  | .platform_data = &vr1000_dm9k_platdata, | 
|  | } | 
|  | }; | 
|  |  | 
|  | static struct platform_device vr1000_dm9k1 = { | 
|  | .name		= "dm9000", | 
|  | .id		= 1, | 
|  | .num_resources	= ARRAY_SIZE(vr1000_dm9k1_resource), | 
|  | .resource	= vr1000_dm9k1_resource, | 
|  | .dev		= { | 
|  | .platform_data = &vr1000_dm9k_platdata, | 
|  | } | 
|  | }; | 
|  |  | 
|  | /* LEDS */ | 
|  |  | 
|  | static struct gpiod_lookup_table vr1000_led1_gpio_table = { | 
|  | .dev_id = "s3c24xx_led.1", | 
|  | .table = { | 
|  | GPIO_LOOKUP("GPB", 0, NULL, GPIO_ACTIVE_HIGH), | 
|  | { }, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct gpiod_lookup_table vr1000_led2_gpio_table = { | 
|  | .dev_id = "s3c24xx_led.2", | 
|  | .table = { | 
|  | GPIO_LOOKUP("GPB", 1, NULL, GPIO_ACTIVE_HIGH), | 
|  | { }, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct gpiod_lookup_table vr1000_led3_gpio_table = { | 
|  | .dev_id = "s3c24xx_led.3", | 
|  | .table = { | 
|  | GPIO_LOOKUP("GPB", 2, NULL, GPIO_ACTIVE_HIGH), | 
|  | { }, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct s3c24xx_led_platdata vr1000_led1_pdata = { | 
|  | .name		= "led1", | 
|  | .def_trigger	= "", | 
|  | }; | 
|  |  | 
|  | static struct s3c24xx_led_platdata vr1000_led2_pdata = { | 
|  | .name		= "led2", | 
|  | .def_trigger	= "", | 
|  | }; | 
|  |  | 
|  | static struct s3c24xx_led_platdata vr1000_led3_pdata = { | 
|  | .name		= "led3", | 
|  | .def_trigger	= "", | 
|  | }; | 
|  |  | 
|  | static struct platform_device vr1000_led1 = { | 
|  | .name		= "s3c24xx_led", | 
|  | .id		= 1, | 
|  | .dev		= { | 
|  | .platform_data	= &vr1000_led1_pdata, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct platform_device vr1000_led2 = { | 
|  | .name		= "s3c24xx_led", | 
|  | .id		= 2, | 
|  | .dev		= { | 
|  | .platform_data	= &vr1000_led2_pdata, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct platform_device vr1000_led3 = { | 
|  | .name		= "s3c24xx_led", | 
|  | .id		= 3, | 
|  | .dev		= { | 
|  | .platform_data	= &vr1000_led3_pdata, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* I2C devices. */ | 
|  |  | 
|  | static struct i2c_board_info vr1000_i2c_devs[] __initdata = { | 
|  | { | 
|  | I2C_BOARD_INFO("tlv320aic23", 0x1a), | 
|  | }, { | 
|  | I2C_BOARD_INFO("tmp101", 0x48), | 
|  | }, { | 
|  | I2C_BOARD_INFO("m41st87", 0x68), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* devices for this board */ | 
|  |  | 
|  | static struct platform_device *vr1000_devices[] __initdata = { | 
|  | &s3c2410_device_dclk, | 
|  | &s3c_device_ohci, | 
|  | &s3c_device_lcd, | 
|  | &s3c_device_wdt, | 
|  | &s3c_device_i2c0, | 
|  | &s3c_device_adc, | 
|  | &serial_device, | 
|  | &vr1000_dm9k0, | 
|  | &vr1000_dm9k1, | 
|  | &vr1000_led1, | 
|  | &vr1000_led2, | 
|  | &vr1000_led3, | 
|  | }; | 
|  |  | 
|  | static void vr1000_power_off(void) | 
|  | { | 
|  | gpio_direction_output(S3C2410_GPB(9), 1); | 
|  | } | 
|  |  | 
|  | static void __init vr1000_map_io(void) | 
|  | { | 
|  | pm_power_off = vr1000_power_off; | 
|  |  | 
|  | s3c24xx_init_io(vr1000_iodesc, ARRAY_SIZE(vr1000_iodesc)); | 
|  | s3c24xx_init_uarts(vr1000_uartcfgs, ARRAY_SIZE(vr1000_uartcfgs)); | 
|  | s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4); | 
|  | } | 
|  |  | 
|  | static void __init vr1000_init_time(void) | 
|  | { | 
|  | s3c2410_init_clocks(12000000); | 
|  | s3c24xx_timer_init(); | 
|  | } | 
|  |  | 
|  | static void __init vr1000_init(void) | 
|  | { | 
|  | s3c_i2c0_set_platdata(NULL); | 
|  |  | 
|  | /* Disable pull-up on LED lines and register GPIO lookups */ | 
|  | s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); | 
|  | s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_NONE); | 
|  | s3c_gpio_setpull(S3C2410_GPB(2), S3C_GPIO_PULL_NONE); | 
|  | gpiod_add_lookup_table(&vr1000_led1_gpio_table); | 
|  | gpiod_add_lookup_table(&vr1000_led2_gpio_table); | 
|  | gpiod_add_lookup_table(&vr1000_led3_gpio_table); | 
|  |  | 
|  | platform_add_devices(vr1000_devices, ARRAY_SIZE(vr1000_devices)); | 
|  |  | 
|  | i2c_register_board_info(0, vr1000_i2c_devs, | 
|  | ARRAY_SIZE(vr1000_i2c_devs)); | 
|  |  | 
|  | nor_simtec_init(); | 
|  | simtec_audio_add(NULL, true, NULL); | 
|  |  | 
|  | WARN_ON(gpio_request(S3C2410_GPB(9), "power off")); | 
|  | } | 
|  |  | 
|  | MACHINE_START(VR1000, "Thorcom-VR1000") | 
|  | /* Maintainer: Ben Dooks <ben@simtec.co.uk> */ | 
|  | .atag_offset	= 0x100, | 
|  | .map_io		= vr1000_map_io, | 
|  | .init_machine	= vr1000_init, | 
|  | .init_irq	= s3c2410_init_irq, | 
|  | .init_time	= vr1000_init_time, | 
|  | MACHINE_END |