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