diff options
Diffstat (limited to 'arch/arm/plat-s3c64xx')
34 files changed, 3704 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c64xx/Kconfig b/arch/arm/plat-s3c64xx/Kconfig new file mode 100644 index 000000000000..54375a00a7d2 --- /dev/null +++ b/arch/arm/plat-s3c64xx/Kconfig @@ -0,0 +1,62 @@ +# arch/arm/plat-s3c64xx/Kconfig +# +# Copyright 2008 Openmoko, Inc. +# Copyright 2008 Simtec Electronics +# Ben Dooks <ben@simtec.co.uk> +# +# Licensed under GPLv2 + +config PLAT_S3C64XX + bool + depends on ARCH_S3C64XX + default y + select CPU_V6 + select PLAT_S3C + select ARM_VIC + select NO_IOPORT + select ARCH_REQUIRE_GPIOLIB + select S3C_GPIO_TRACK + select S3C_GPIO_PULL_UPDOWN + select S3C_GPIO_CFG_S3C24XX + select S3C_GPIO_CFG_S3C64XX + help + Base platform code for any Samsung S3C64XX device + +if PLAT_S3C64XX + +# Configuration options shared by all S3C64XX implementations + +config CPU_S3C6400_INIT + bool + help + Common initialisation code for the S3C6400 that is shared + by other CPUs in the series, such as the S3C6410. + +config CPU_S3C6400_CLOCK + bool + help + Common clock support code for the S3C6400 that is shared + by other CPUs in the series, such as the S3C6410. + +# platform specific device setup + +config S3C64XX_SETUP_I2C0 + bool + default y + help + Common setup code for i2c bus 0. + + Note, currently since i2c0 is always compiled, this setup helper + is always compiled with it. + +config S3C64XX_SETUP_I2C1 + bool + help + Common setup code for i2c bus 1. + +config S3C64XX_SETUP_FB_24BPP + bool + help + Common setup code for S3C64XX with an 24bpp RGB display helper. + +endif diff --git a/arch/arm/plat-s3c64xx/Makefile b/arch/arm/plat-s3c64xx/Makefile new file mode 100644 index 000000000000..2e6d79bf8f33 --- /dev/null +++ b/arch/arm/plat-s3c64xx/Makefile @@ -0,0 +1,31 @@ +# arch/arm/plat-s3c64xx/Makefile +# +# Copyright 2008 Openmoko, Inc. +# Copyright 2008 Simtec Electronics +# +# Licensed under GPLv2 + +obj-y := +obj-m := +obj-n := dummy.o +obj- := + +# Core files + +obj-y += dev-uart.o +obj-y += cpu.o +obj-y += irq.o +obj-y += irq-eint.o +obj-y += clock.o +obj-y += gpiolib.o + +# CPU support + +obj-$(CONFIG_CPU_S3C6400_INIT) += s3c6400-init.o +obj-$(CONFIG_CPU_S3C6400_CLOCK) += s3c6400-clock.o + +# Device setup + +obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o +obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o +obj-$(CONFIG_S3C64XX_SETUP_FB_24BPP) += setup-fb-24bpp.o diff --git a/arch/arm/plat-s3c64xx/clock.c b/arch/arm/plat-s3c64xx/clock.c new file mode 100644 index 000000000000..136c982c68e1 --- /dev/null +++ b/arch/arm/plat-s3c64xx/clock.c @@ -0,0 +1,281 @@ +/* linux/arch/arm/plat-s3c64xx/clock.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C64XX Base clock support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <mach/map.h> + +#include <plat/regs-sys.h> +#include <plat/regs-clock.h> +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/clock.h> + +struct clk clk_27m = { + .name = "clk_27m", + .id = -1, + .rate = 27000000, +}; + +static int clk_48m_ctrl(struct clk *clk, int enable) +{ + unsigned long flags; + u32 val; + + /* can't rely on clock lock, this register has other usages */ + local_irq_save(flags); + + val = __raw_readl(S3C64XX_OTHERS); + if (enable) + val |= S3C64XX_OTHERS_USBMASK; + else + val &= ~S3C64XX_OTHERS_USBMASK; + + __raw_writel(val, S3C64XX_OTHERS); + local_irq_restore(flags); + + return 0; +} + +struct clk clk_48m = { + .name = "clk_48m", + .id = -1, + .rate = 48000000, + .enable = clk_48m_ctrl, +}; + +static int inline s3c64xx_gate(void __iomem *reg, + struct clk *clk, + int enable) +{ + unsigned int ctrlbit = clk->ctrlbit; + u32 con; + + con = __raw_readl(reg); + + if (enable) + con |= ctrlbit; + else + con &= ~ctrlbit; + + __raw_writel(con, reg); + return 0; +} + +static int s3c64xx_pclk_ctrl(struct clk *clk, int enable) +{ + return s3c64xx_gate(S3C_PCLK_GATE, clk, enable); +} + +static int s3c64xx_hclk_ctrl(struct clk *clk, int enable) +{ + return s3c64xx_gate(S3C_HCLK_GATE, clk, enable); +} + +int s3c64xx_sclk_ctrl(struct clk *clk, int enable) +{ + return s3c64xx_gate(S3C_SCLK_GATE, clk, enable); +} + +static struct clk init_clocks_disable[] = { + { + .name = "nand", + .id = -1, + .parent = &clk_h, + }, { + .name = "adc", + .id = -1, + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_TSADC, + }, { + .name = "i2c", + .id = -1, + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_IIC, + }, { + .name = "iis", + .id = 0, + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_IIS0, + }, { + .name = "iis", + .id = 1, + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_IIS1, + }, { + .name = "spi", + .id = 0, + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_SPI0, + }, { + .name = "spi", + .id = 1, + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_SPI1, + }, { + .name = "48m", + .id = 0, + .parent = &clk_48m, + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_MMC0_48, + }, { + .name = "48m", + .id = 1, + .parent = &clk_48m, + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_MMC1_48, + }, { + .name = "48m", + .id = 2, + .parent = &clk_48m, + .enable = s3c64xx_sclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_MMC2_48, + }, +}; + +static struct clk init_clocks[] = { + { + .name = "lcd", + .id = -1, + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_LCD, + }, { + .name = "gpio", + .id = -1, + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_GPIO, + }, { + .name = "usb-host", + .id = -1, + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_SCLK_UHOST, + }, { + .name = "hsmmc", + .id = 0, + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_HSMMC0, + }, { + .name = "hsmmc", + .id = 1, + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_HSMMC1, + }, { + .name = "hsmmc", + .id = 2, + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_HSMMC2, + }, { + .name = "timers", + .id = -1, + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_PWM, + }, { + .name = "uart", + .id = 0, + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_UART0, + }, { + .name = "uart", + .id = 1, + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_UART1, + }, { + .name = "uart", + .id = 2, + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_UART2, + }, { + .name = "uart", + .id = 3, + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_UART3, + }, { + .name = "rtc", + .id = -1, + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C_CLKCON_PCLK_RTC, + }, { + .name = "watchdog", + .id = -1, + .parent = &clk_p, + .ctrlbit = S3C_CLKCON_PCLK_WDT, + }, { + .name = "ac97", + .id = -1, + .parent = &clk_p, + .ctrlbit = S3C_CLKCON_PCLK_AC97, + } +}; + +static struct clk *clks[] __initdata = { + &clk_ext, + &clk_epll, + &clk_27m, + &clk_48m, +}; + +void s3c64xx_register_clocks(void) +{ + struct clk *clkp; + int ret; + int ptr; + + s3c24xx_register_clocks(clks, ARRAY_SIZE(clks)); + + clkp = init_clocks; + for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) { + ret = s3c24xx_register_clock(clkp); + if (ret < 0) { + printk(KERN_ERR "Failed to register clock %s (%d)\n", + clkp->name, ret); + } + } + + clkp = init_clocks_disable; + for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) { + + ret = s3c24xx_register_clock(clkp); + if (ret < 0) { + printk(KERN_ERR "Failed to register clock %s (%d)\n", + clkp->name, ret); + } + + (clkp->enable)(clkp, 0); + } + + s3c_pwmclk_init(); +} diff --git a/arch/arm/plat-s3c64xx/cpu.c b/arch/arm/plat-s3c64xx/cpu.c new file mode 100644 index 000000000000..fbde183a4560 --- /dev/null +++ b/arch/arm/plat-s3c64xx/cpu.c @@ -0,0 +1,114 @@ +/* linux/arch/arm/plat-s3c64xx/cpu.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C64XX CPU Support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/serial_core.h> +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <mach/map.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <plat/regs-serial.h> + +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/clock.h> + +#include <plat/s3c6400.h> +#include <plat/s3c6410.h> + +/* table of supported CPUs */ + +static const char name_s3c6400[] = "S3C6400"; +static const char name_s3c6410[] = "S3C6410"; + +static struct cpu_table cpu_ids[] __initdata = { + { + .idcode = 0x36400000, + .idmask = 0xfffff000, + .map_io = s3c6400_map_io, + .init_clocks = s3c6400_init_clocks, + .init_uarts = s3c6400_init_uarts, + .init = s3c6400_init, + .name = name_s3c6400, + }, { + .idcode = 0x36410100, + .idmask = 0xffffff00, + .map_io = s3c6410_map_io, + .init_clocks = s3c6410_init_clocks, + .init_uarts = s3c6410_init_uarts, + .init = s3c6410_init, + .name = name_s3c6410, + }, +}; + +/* minimal IO mapping */ + +/* see notes on uart map in arch/arm/mach-s3c6400/include/mach/debug-macro.S */ +#define UART_OFFS (S3C_PA_UART & 0xfffff) + +static struct map_desc s3c_iodesc[] __initdata = { + { + .virtual = (unsigned long)S3C_VA_SYS, + .pfn = __phys_to_pfn(S3C64XX_PA_SYSCON), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)(S3C_VA_UART + UART_OFFS), + .pfn = __phys_to_pfn(S3C_PA_UART), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S3C_VA_VIC0, + .pfn = __phys_to_pfn(S3C64XX_PA_VIC0), + .length = SZ_16K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S3C_VA_VIC1, + .pfn = __phys_to_pfn(S3C64XX_PA_VIC1), + .length = SZ_16K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S3C_VA_TIMER, + .pfn = __phys_to_pfn(S3C_PA_TIMER), + .length = SZ_16K, + .type = MT_DEVICE, + }, { + .virtual = (unsigned long)S3C64XX_VA_GPIO, + .pfn = __phys_to_pfn(S3C64XX_PA_GPIO), + .length = SZ_4K, + .type = MT_DEVICE, + }, +}; + +/* read cpu identification code */ + +void __init s3c64xx_init_io(struct map_desc *mach_desc, int size) +{ + unsigned long idcode; + + /* initialise the io descriptors we need for initialisation */ + iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc)); + iotable_init(mach_desc, size); + + idcode = __raw_readl(S3C_VA_SYS + 0x118); + s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids)); +} diff --git a/arch/arm/plat-s3c64xx/dev-uart.c b/arch/arm/plat-s3c64xx/dev-uart.c new file mode 100644 index 000000000000..62c11a6fc7ba --- /dev/null +++ b/arch/arm/plat-s3c64xx/dev-uart.c @@ -0,0 +1,176 @@ +/* linux/arch/arm/plat-s3c64xx/dev-uart.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * Base S3C64XX UART resource and device definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/platform_device.h> + +#include <asm/mach/arch.h> +#include <asm/mach/irq.h> +#include <mach/hardware.h> +#include <mach/map.h> + +#include <plat/devs.h> + +/* Serial port registrations */ + +/* 64xx uarts are closer together */ + +static struct resource s3c64xx_uart0_resource[] = { + [0] = { + .start = S3C_PA_UART0, + .end = S3C_PA_UART0 + 0x100, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_S3CUART_RX0, + .end = IRQ_S3CUART_RX0, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = IRQ_S3CUART_TX0, + .end = IRQ_S3CUART_TX0, + .flags = IORESOURCE_IRQ, + + }, + [3] = { + .start = IRQ_S3CUART_ERR0, + .end = IRQ_S3CUART_ERR0, + .flags = IORESOURCE_IRQ, + } +}; + +static struct resource s3c64xx_uart1_resource[] = { + [0] = { + .start = S3C_PA_UART1, + .end = S3C_PA_UART1 + 0x100, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_S3CUART_RX1, + .end = IRQ_S3CUART_RX1, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = IRQ_S3CUART_TX1, + .end = IRQ_S3CUART_TX1, + .flags = IORESOURCE_IRQ, + + }, + [3] = { + .start = IRQ_S3CUART_ERR1, + .end = IRQ_S3CUART_ERR1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource s3c6xx_uart2_resource[] = { + [0] = { + .start = S3C_PA_UART2, + .end = S3C_PA_UART2 + 0x100, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_S3CUART_RX2, + .end = IRQ_S3CUART_RX2, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = IRQ_S3CUART_TX2, + .end = IRQ_S3CUART_TX2, + .flags = IORESOURCE_IRQ, + + }, + [3] = { + .start = IRQ_S3CUART_ERR2, + .end = IRQ_S3CUART_ERR2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct resource s3c64xx_uart3_resource[] = { + [0] = { + .start = S3C_PA_UART3, + .end = S3C_PA_UART3 + 0x100, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_S3CUART_RX3, + .end = IRQ_S3CUART_RX3, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = IRQ_S3CUART_TX3, + .end = IRQ_S3CUART_TX3, + .flags = IORESOURCE_IRQ, + + }, + [3] = { + .start = IRQ_S3CUART_ERR3, + .end = IRQ_S3CUART_ERR3, + .flags = IORESOURCE_IRQ, + }, +}; + + +struct s3c24xx_uart_resources s3c64xx_uart_resources[] __initdata = { + [0] = { + .resources = s3c64xx_uart0_resource, + .nr_resources = ARRAY_SIZE(s3c64xx_uart0_resource), + }, + [1] = { + .resources = s3c64xx_uart1_resource, + .nr_resources = ARRAY_SIZE(s3c64xx_uart1_resource), + }, + [2] = { + .resources = s3c6xx_uart2_resource, + .nr_resources = ARRAY_SIZE(s3c6xx_uart2_resource), + }, + [3] = { + .resources = s3c64xx_uart3_resource, + .nr_resources = ARRAY_SIZE(s3c64xx_uart3_resource), + }, +}; + +/* uart devices */ + +static struct platform_device s3c24xx_uart_device0 = { + .id = 0, +}; + +static struct platform_device s3c24xx_uart_device1 = { + .id = 1, +}; + +static struct platform_device s3c24xx_uart_device2 = { + .id = 2, +}; + +static struct platform_device s3c24xx_uart_device3 = { + .id = 3, +}; + +struct platform_device *s3c24xx_uart_src[4] = { + &s3c24xx_uart_device0, + &s3c24xx_uart_device1, + &s3c24xx_uart_device2, + &s3c24xx_uart_device3, +}; + +struct platform_device *s3c24xx_uart_devs[4] = { +}; + diff --git a/arch/arm/plat-s3c64xx/gpiolib.c b/arch/arm/plat-s3c64xx/gpiolib.c new file mode 100644 index 000000000000..cc62941d7b5c --- /dev/null +++ b/arch/arm/plat-s3c64xx/gpiolib.c @@ -0,0 +1,420 @@ +/* arch/arm/plat-s3c64xx/gpiolib.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - GPIOlib support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/irq.h> +#include <linux/io.h> + +#include <mach/map.h> +#include <mach/gpio.h> +#include <mach/gpio-core.h> + +#include <plat/gpio-cfg.h> +#include <plat/gpio-cfg-helpers.h> +#include <plat/regs-gpio.h> + +/* GPIO bank summary: + * + * Bank GPIOs Style SlpCon ExtInt Group + * A 8 4Bit Yes 1 + * B 7 4Bit Yes 1 + * C 8 4Bit Yes 2 + * D 5 4Bit Yes 3 + * E 5 4Bit Yes None + * F 16 2Bit Yes 4 [1] + * G 7 4Bit Yes 5 + * H 10 4Bit[2] Yes 6 + * I 16 2Bit Yes None + * J 12 2Bit Yes None + * K 16 4Bit[2] No None + * L 15 4Bit[2] No None + * M 6 4Bit No IRQ_EINT + * N 16 2Bit No IRQ_EINT + * O 16 2Bit Yes 7 + * P 15 2Bit Yes 8 + * Q 9 2Bit Yes 9 + * + * [1] BANKF pins 14,15 do not form part of the external interrupt sources + * [2] BANK has two control registers, GPxCON0 and GPxCON1 + */ + +#define OFF_GPCON (0x00) +#define OFF_GPDAT (0x04) + +#define con_4bit_shift(__off) ((__off) * 4) + +#if 1 +#define gpio_dbg(x...) do { } while(0) +#else +#define gpio_dbg(x...) printk(KERN_DEBUG ## x) +#endif + +/* The s3c64xx_gpiolib_4bit routines are to control the gpio banks where + * the gpio configuration register (GPxCON) has 4 bits per GPIO, as the + * following example: + * + * base + 0x00: Control register, 4 bits per gpio + * gpio n: 4 bits starting at (4*n) + * 0000 = input, 0001 = output, others mean special-function + * base + 0x04: Data register, 1 bit per gpio + * bit n: data bit n + * + * Note, since the data register is one bit per gpio and is at base + 0x4 + * we can use s3c_gpiolib_get and s3c_gpiolib_set to change the state of + * the output. +*/ + +static int s3c64xx_gpiolib_4bit_input(struct gpio_chip *chip, unsigned offset) +{ + struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long con; + + con = __raw_readl(base + OFF_GPCON); + con &= ~(0xf << con_4bit_shift(offset)); + __raw_writel(con, base + OFF_GPCON); + + gpio_dbg("%s: %p: CON now %08lx\n", __func__, base, con); + + return 0; +} + +static int s3c64xx_gpiolib_4bit_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long con; + unsigned long dat; + + con = __raw_readl(base + OFF_GPCON); + con &= ~(0xf << con_4bit_shift(offset)); + con |= 0x1 << con_4bit_shift(offset); + + dat = __raw_readl(base + OFF_GPDAT); + if (value) + dat |= 1 << offset; + else + dat &= ~(1 << offset); + + __raw_writel(dat, base + OFF_GPDAT); + __raw_writel(con, base + OFF_GPCON); + __raw_writel(dat, base + OFF_GPDAT); + + gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); + + return 0; +} + +/* The next set of routines are for the case where the GPIO configuration + * registers are 4 bits per GPIO but there is more than one register (the + * bank has more than 8 GPIOs. + * + * This case is the similar to the 4 bit case, but the registers are as + * follows: + * + * base + 0x00: Control register, 4 bits per gpio (lower 8 GPIOs) + * gpio n: 4 bits starting at (4*n) + * 0000 = input, 0001 = output, others mean special-function + * base + 0x04: Control register, 4 bits per gpio (up to 8 additions GPIOs) + * gpio n: 4 bits starting at (4*n) + * 0000 = input, 0001 = output, others mean special-function + * base + 0x08: Data register, 1 bit per gpio + * bit n: data bit n + * + * To allow us to use the s3c_gpiolib_get and s3c_gpiolib_set routines we + * store the 'base + 0x4' address so that these routines see the data + * register at ourchip->base + 0x04. +*/ + +static int s3c64xx_gpiolib_4bit2_input(struct gpio_chip *chip, unsigned offset) +{ + struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); + void __iomem *base = ourchip->base; + void __iomem *regcon = base; + unsigned long con; + + if (offset > 7) + offset -= 8; + else + regcon -= 4; + + con = __raw_readl(regcon); + con &= ~(0xf << con_4bit_shift(offset)); + __raw_writel(con, regcon); + + gpio_dbg("%s: %p: CON %08lx\n", __func__, base, con); + + return 0; + +} + +static int s3c64xx_gpiolib_4bit2_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); + void __iomem *base = ourchip->base; + void __iomem *regcon = base; + unsigned long con; + unsigned long dat; + + if (offset > 7) + offset -= 8; + else + regcon -= 4; + + con = __raw_readl(regcon); + con &= ~(0xf << con_4bit_shift(offset)); + con |= 0x1 << con_4bit_shift(offset); + + dat = __raw_readl(base + OFF_GPDAT); + if (value) + dat |= 1 << offset; + else + dat &= ~(1 << offset); + + __raw_writel(dat, base + OFF_GPDAT); + __raw_writel(con, regcon); + __raw_writel(dat, base + OFF_GPDAT); + + gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); + + return 0; +} + +static struct s3c_gpio_cfg gpio_4bit_cfg_noint = { + .set_config = s3c_gpio_setcfg_s3c64xx_4bit, + .set_pull = s3c_gpio_setpull_updown, + .get_pull = s3c_gpio_getpull_updown, +}; + +static struct s3c_gpio_cfg gpio_4bit_cfg_eint0111 = { + .cfg_eint = 7, + .set_config = s3c_gpio_setcfg_s3c64xx_4bit, + .set_pull = s3c_gpio_setpull_updown, + .get_pull = s3c_gpio_getpull_updown, +}; + +static struct s3c_gpio_cfg gpio_4bit_cfg_eint0011 = { + .cfg_eint = 3, + .set_config = s3c_gpio_setcfg_s3c64xx_4bit, + .set_pull = s3c_gpio_setpull_updown, + .get_pull = s3c_gpio_getpull_updown, +}; + +static struct s3c_gpio_chip gpio_4bit[] = { + { + .base = S3C64XX_GPA_BASE, + .config = &gpio_4bit_cfg_eint0111, + .chip = { + .base = S3C64XX_GPA(0), + .ngpio = S3C64XX_GPIO_A_NR, + .label = "GPA", + }, + }, { + .base = S3C64XX_GPB_BASE, + .config = &gpio_4bit_cfg_eint0111, + .chip = { + .base = S3C64XX_GPB(0), + .ngpio = S3C64XX_GPIO_B_NR, + .label = "GPB", + }, + }, { + .base = S3C64XX_GPC_BASE, + .config = &gpio_4bit_cfg_eint0111, + .chip = { + .base = S3C64XX_GPC(0), + .ngpio = S3C64XX_GPIO_C_NR, + .label = "GPC", + }, + }, { + .base = S3C64XX_GPD_BASE, + .config = &gpio_4bit_cfg_eint0111, + .chip = { + .base = S3C64XX_GPD(0), + .ngpio = S3C64XX_GPIO_D_NR, + .label = "GPD", + }, + }, { + .base = S3C64XX_GPE_BASE, + .config = &gpio_4bit_cfg_noint, + .chip = { + .base = S3C64XX_GPE(0), + .ngpio = S3C64XX_GPIO_E_NR, + .label = "GPE", + }, + }, { + .base = S3C64XX_GPG_BASE, + .config = &gpio_4bit_cfg_eint0111, + .chip = { + .base = S3C64XX_GPG(0), + .ngpio = S3C64XX_GPIO_G_NR, + .label = "GPG", + }, + }, { + .base = S3C64XX_GPM_BASE, + .config = &gpio_4bit_cfg_eint0011, + .chip = { + .base = S3C64XX_GPM(0), + .ngpio = S3C64XX_GPIO_M_NR, + .label = "GPM", + }, + }, +}; + +static struct s3c_gpio_chip gpio_4bit2[] = { + { + .base = S3C64XX_GPH_BASE + 0x4, + .config = &gpio_4bit_cfg_eint0111, + .chip = { + .base = S3C64XX_GPH(0), + .ngpio = S3C64XX_GPIO_H_NR, + .label = "GPH", + }, + }, { + .base = S3C64XX_GPK_BASE + 0x4, + .config = &gpio_4bit_cfg_noint, + .chip = { + .base = S3C64XX_GPK(0), + .ngpio = S3C64XX_GPIO_K_NR, + .label = "GPK", + }, + }, { + .base = S3C64XX_GPL_BASE + 0x4, + .config = &gpio_4bit_cfg_eint0011, + .chip = { + .base = S3C64XX_GPL(0), + .ngpio = S3C64XX_GPIO_L_NR, + .label = "GPL", + }, + }, +}; + +static struct s3c_gpio_cfg gpio_2bit_cfg_noint = { + .set_config = s3c_gpio_setcfg_s3c24xx, + .set_pull = s3c_gpio_setpull_updown, + .get_pull = s3c_gpio_getpull_updown, +}; + +static struct s3c_gpio_cfg gpio_2bit_cfg_eint10 = { + .cfg_eint = 2, + .set_config = s3c_gpio_setcfg_s3c24xx, + .set_pull = s3c_gpio_setpull_updown, + .get_pull = s3c_gpio_getpull_updown, +}; + +static struct s3c_gpio_cfg gpio_2bit_cfg_eint11 = { + .cfg_eint = 3, + .set_config = s3c_gpio_setcfg_s3c24xx, + .set_pull = s3c_gpio_setpull_updown, + .get_pull = s3c_gpio_getpull_updown, +}; + +static struct s3c_gpio_chip gpio_2bit[] = { + { + .base = S3C64XX_GPF_BASE, + .config = &gpio_2bit_cfg_eint11, + .chip = { + .base = S3C64XX_GPF(0), + .ngpio = S3C64XX_GPIO_F_NR, + .label = "GPF", + }, + }, { + .base = S3C64XX_GPI_BASE, + .config = &gpio_2bit_cfg_noint, + .chip = { + .base = S3C64XX_GPI(0), + .ngpio = S3C64XX_GPIO_I_NR, + .label = "GPI", + }, + }, { + .base = S3C64XX_GPJ_BASE, + .config = &gpio_2bit_cfg_noint, + .chip = { + .base = S3C64XX_GPJ(0), + .ngpio = S3C64XX_GPIO_J_NR, + .label = "GPJ", + }, + }, { + .base = S3C64XX_GPN_BASE, + .config = &gpio_2bit_cfg_eint10, + .chip = { + .base = S3C64XX_GPN(0), + .ngpio = S3C64XX_GPIO_N_NR, + .label = "GPN", + }, + }, { + .base = S3C64XX_GPO_BASE, + .config = &gpio_2bit_cfg_eint11, + .chip = { + .base = S3C64XX_GPO(0), + .ngpio = S3C64XX_GPIO_O_NR, + .label = "GPO", + }, + }, { + .base = S3C64XX_GPP_BASE, + .config = &gpio_2bit_cfg_eint11, + .chip = { + .base = S3C64XX_GPP(0), + .ngpio = S3C64XX_GPIO_P_NR, + .label = "GPP", + }, + }, { + .base = S3C64XX_GPQ_BASE, + .config = &gpio_2bit_cfg_eint11, + .chip = { + .base = S3C64XX_GPQ(0), + .ngpio = S3C64XX_GPIO_Q_NR, + .label = "GPQ", + }, + }, +}; + +static __init void s3c64xx_gpiolib_add_4bit(struct s3c_gpio_chip *chip) +{ + chip->chip.direction_input = s3c64xx_gpiolib_4bit_input; + chip->chip.direction_output = s3c64xx_gpiolib_4bit_output; +} + +static __init void s3c64xx_gpiolib_add_4bit2(struct s3c_gpio_chip *chip) +{ + chip->chip.direction_input = s3c64xx_gpiolib_4bit2_input; + chip->chip.direction_output = s3c64xx_gpiolib_4bit2_output; +} + +static __init void s3c64xx_gpiolib_add(struct s3c_gpio_chip *chips, + int nr_chips, + void (*fn)(struct s3c_gpio_chip *)) +{ + for (; nr_chips > 0; nr_chips--, chips++) { + if (fn) + (fn)(chips); + s3c_gpiolib_add(chips); + } +} + +static __init int s3c64xx_gpiolib_init(void) +{ + s3c64xx_gpiolib_add(gpio_4bit, ARRAY_SIZE(gpio_4bit), + s3c64xx_gpiolib_add_4bit); + + s3c64xx_gpiolib_add(gpio_4bit2, ARRAY_SIZE(gpio_4bit2), + s3c64xx_gpiolib_add_4bit2); + + s3c64xx_gpiolib_add(gpio_2bit, ARRAY_SIZE(gpio_2bit), NULL); + + return 0; +} + +arch_initcall(s3c64xx_gpiolib_init); diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-a.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-a.h new file mode 100644 index 000000000000..9aa0e427d113 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-a.h @@ -0,0 +1,48 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-a.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank A register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPACON (S3C64XX_GPA_BASE + 0x00) +#define S3C64XX_GPADAT (S3C64XX_GPA_BASE + 0x04) +#define S3C64XX_GPAPUD (S3C64XX_GPA_BASE + 0x08) +#define S3C64XX_GPACONSLP (S3C64XX_GPA_BASE + 0x0c) +#define S3C64XX_GPAPUDSLP (S3C64XX_GPA_BASE + 0x10) + +#define S3C64XX_GPA_CONMASK(__gpio) (0xf << ((__gpio) * 4)) +#define S3C64XX_GPA_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S3C64XX_GPA_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) + +#define S3C64XX_GPA0_UART_RXD0 (0x02 << 0) +#define S3C64XX_GPA0_EINT_G1_0 (0x07 << 0) + +#define S3C64XX_GPA1_UART_TXD0 (0x02 << 4) +#define S3C64XX_GPA1_EINT_G1_1 (0x07 << 4) + +#define S3C64XX_GPA2_UART_nCTS0 (0x02 << 8) +#define S3C64XX_GPA2_EINT_G1_2 (0x07 << 8) + +#define S3C64XX_GPA3_UART_nRTS0 (0x02 << 12) +#define S3C64XX_GPA3_EINT_G1_3 (0x07 << 12) + +#define S3C64XX_GPA4_UART_RXD1 (0x02 << 16) +#define S3C64XX_GPA4_EINT_G1_4 (0x07 << 16) + +#define S3C64XX_GPA5_UART_TXD1 (0x02 << 20) +#define S3C64XX_GPA5_EINT_G1_5 (0x07 << 20) + +#define S3C64XX_GPA6_UART_nCTS1 (0x02 << 24) +#define S3C64XX_GPA6_EINT_G1_6 (0x07 << 24) + +#define S3C64XX_GPA7_UART_nRTS1 (0x02 << 28) +#define S3C64XX_GPA7_EINT_G1_7 (0x07 << 28) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-b.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-b.h new file mode 100644 index 000000000000..3933adb4d50a --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-b.h @@ -0,0 +1,60 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-b.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank B register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPBCON (S3C64XX_GPB_BASE + 0x00) +#define S3C64XX_GPBDAT (S3C64XX_GPB_BASE + 0x04) +#define S3C64XX_GPBPUD (S3C64XX_GPB_BASE + 0x08) +#define S3C64XX_GPBCONSLP (S3C64XX_GPB_BASE + 0x0c) +#define S3C64XX_GPBPUDSLP (S3C64XX_GPB_BASE + 0x10) + +#define S3C64XX_GPB_CONMASK(__gpio) (0xf << ((__gpio) * 4)) +#define S3C64XX_GPB_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S3C64XX_GPB_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) + +#define S3C64XX_GPB0_UART_RXD2 (0x02 << 0) +#define S3C64XX_GPB0_EXTDMA_REQ (0x03 << 0) +#define S3C64XX_GPB0_IrDA_RXD (0x04 << 0) +#define S3C64XX_GPB0_ADDR_CF0 (0x05 << 0) +#define S3C64XX_GPB0_EINT_G1_8 (0x07 << 0) + +#define S3C64XX_GPB1_UART_TXD2 (0x02 << 4) +#define S3C64XX_GPB1_EXTDMA_ACK (0x03 << 4) +#define S3C64XX_GPB1_IrDA_TXD (0x04 << 4) +#define S3C64XX_GPB1_ADDR_CF1 (0x05 << 4) +#define S3C64XX_GPB1_EINT_G1_9 (0x07 << 4) + +#define S3C64XX_GPB2_UART_RXD3 (0x02 << 8) +#define S3C64XX_GPB2_IrDA_RXD (0x03 << 8) +#define S3C64XX_GPB2_EXTDMA_REQ (0x04 << 8) +#define S3C64XX_GPB2_ADDR_CF2 (0x05 << 8) +#define S3C64XX_GPB2_I2C_SCL1 (0x06 << 8) +#define S3C64XX_GPB2_EINT_G1_10 (0x07 << 8) + +#define S3C64XX_GPB3_UART_TXD3 (0x02 << 12) +#define S3C64XX_GPB3_IrDA_TXD (0x03 << 12) +#define S3C64XX_GPB3_EXTDMA_ACK (0x04 << 12) +#define S3C64XX_GPB3_I2C_SDA1 (0x06 << 12) +#define S3C64XX_GPB3_EINT_G1_11 (0x07 << 12) + +#define S3C64XX_GPB4_IrDA_SDBW (0x02 << 16) +#define S3C64XX_GPB4_CAM_FIELD (0x03 << 16) +#define S3C64XX_GPB4_CF_DATA_DIR (0x04 << 16) +#define S3C64XX_GPB4_EINT_G1_12 (0x07 << 16) + +#define S3C64XX_GPB5_I2C_SCL0 (0x02 << 20) +#define S3C64XX_GPB5_EINT_G1_13 (0x07 << 20) + +#define S3C64XX_GPB6_I2C_SDA0 (0x02 << 24) +#define S3C64XX_GPB6_EINT_G1_14 (0x07 << 24) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-c.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-c.h new file mode 100644 index 000000000000..c47daf7e2723 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-c.h @@ -0,0 +1,53 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-c.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank C register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPCCON (S3C64XX_GPC_BASE + 0x00) +#define S3C64XX_GPCDAT (S3C64XX_GPC_BASE + 0x04) +#define S3C64XX_GPCPUD (S3C64XX_GPC_BASE + 0x08) +#define S3C64XX_GPCCONSLP (S3C64XX_GPC_BASE + 0x0c) +#define S3C64XX_GPCPUDSLP (S3C64XX_GPC_BASE + 0x10) + +#define S3C64XX_GPC_CONMASK(__gpio) (0xf << ((__gpio) * 4)) +#define S3C64XX_GPC_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S3C64XX_GPC_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) + +#define S3C64XX_GPC0_SPI_MISO0 (0x02 << 0) +#define S3C64XX_GPC0_EINT_G2_0 (0x07 << 0) + +#define S3C64XX_GPC1_SPI_CLKO (0x02 << 4) +#define S3C64XX_GPC1_EINT_G2_1 (0x07 << 4) + +#define S3C64XX_GPC2_SPI_MOSIO (0x02 << 8) +#define S3C64XX_GPC2_EINT_G2_2 (0x07 << 8) + +#define S3C64XX_GPC3_SPI_nCSO (0x02 << 12) +#define S3C64XX_GPC3_EINT_G2_3 (0x07 << 12) + +#define S3C64XX_GPC4_SPI_MISO1 (0x02 << 16) +#define S3C64XX_GPC4_MMC2_CMD (0x03 << 16) +#define S3C64XX_GPC4_I2S0_V40_DO (0x05 << 16) +#define S3C64XX_GPC4_EINT_G2_4 (0x07 << 16) + +#define S3C64XX_GPC5_SPI_CLK1 (0x02 << 20) +#define S3C64XX_GPC5_MMC2_CLK (0x03 << 20) +#define S3C64XX_GPC5_I2S1_V40_DO (0x05 << 20) +#define S3C64XX_GPC5_EINT_G2_5 (0x07 << 20) + +#define S3C64XX_GPC6_SPI_MOSI1 (0x02 << 24) +#define S3C64XX_GPC6_EINT_G2_6 (0x07 << 24) + +#define S3C64XX_GPC7_SPI_nCS1 (0x02 << 28) +#define S3C64XX_GPC7_I2S2_V40_DO (0x05 << 28) +#define S3C64XX_GPC7_EINT_G2_7 (0x07 << 28) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-d.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-d.h new file mode 100644 index 000000000000..6fe4a49c26f0 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-d.h @@ -0,0 +1,49 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-d.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank D register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPDCON (S3C64XX_GPD_BASE + 0x00) +#define S3C64XX_GPDDAT (S3C64XX_GPD_BASE + 0x04) +#define S3C64XX_GPDPUD (S3C64XX_GPD_BASE + 0x08) +#define S3C64XX_GPDCONSLP (S3C64XX_GPD_BASE + 0x0c) +#define S3C64XX_GPDPUDSLP (S3C64XX_GPD_BASE + 0x10) + +#define S3C64XX_GPD_CONMASK(__gpio) (0xf << ((__gpio) * 4)) +#define S3C64XX_GPD_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S3C64XX_GPD_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) + +#define S3C64XX_GPD0_PCM0_SCLK (0x02 << 0) +#define S3C64XX_GPD0_I2S0_CLK (0x03 << 0) +#define S3C64XX_GPD0_AC97_BITCLK (0x04 << 0) +#define S3C64XX_GPD0_EINT_G3_0 (0x07 << 0) + +#define S3C64XX_GPD1_PCM0_EXTCLK (0x02 << 4) +#define S3C64XX_GPD1_I2S0_CDCLK (0x03 << 4) +#define S3C64XX_GPD1_AC97_nRESET (0x04 << 4) +#define S3C64XX_GPD1_EINT_G3_1 (0x07 << 4) + +#define S3C64XX_GPD2_PCM0_FSYNC (0x02 << 8) +#define S3C64XX_GPD2_I2S0_LRCLK (0x03 << 8) +#define S3C64XX_GPD2_AC97_SYNC (0x04 << 8) +#define S3C64XX_GPD2_EINT_G3_2 (0x07 << 8) + +#define S3C64XX_GPD3_PCM0_SIN (0x02 << 12) +#define S3C64XX_GPD3_I2S0_DI (0x03 << 12) +#define S3C64XX_GPD3_AC97_SDI (0x04 << 12) +#define S3C64XX_GPD3_EINT_G3_3 (0x07 << 12) + +#define S3C64XX_GPD4_PCM0_SOUT (0x02 << 16) +#define S3C64XX_GPD4_I2S0_D0 (0x03 << 16) +#define S3C64XX_GPD4_AC97_SDO (0x04 << 16) +#define S3C64XX_GPD4_EINT_G3_4 (0x07 << 16) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-e.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-e.h new file mode 100644 index 000000000000..7fcf3d8e0a48 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-e.h @@ -0,0 +1,44 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-e.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank E register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPECON (S3C64XX_GPE_BASE + 0x00) +#define S3C64XX_GPEDAT (S3C64XX_GPE_BASE + 0x04) +#define S3C64XX_GPEPUD (S3C64XX_GPE_BASE + 0x08) +#define S3C64XX_GPECONSLP (S3C64XX_GPE_BASE + 0x0c) +#define S3C64XX_GPEPUDSLP (S3C64XX_GPE_BASE + 0x10) + +#define S3C64XX_GPE_CONMASK(__gpio) (0xf << ((__gpio) * 4)) +#define S3C64XX_GPE_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S3C64XX_GPE_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) + +#define S3C64XX_GPE0_PCM1_SCLK (0x02 << 0) +#define S3C64XX_GPE0_I2S1_CLK (0x03 << 0) +#define S3C64XX_GPE0_AC97_BITCLK (0x04 << 0) + +#define S3C64XX_GPE1_PCM1_EXTCLK (0x02 << 4) +#define S3C64XX_GPE1_I2S1_CDCLK (0x03 << 4) +#define S3C64XX_GPE1_AC97_nRESET (0x04 << 4) + +#define S3C64XX_GPE2_PCM1_FSYNC (0x02 << 8) +#define S3C64XX_GPE2_I2S1_LRCLK (0x03 << 8) +#define S3C64XX_GPE2_AC97_SYNC (0x04 << 8) + +#define S3C64XX_GPE3_PCM1_SIN (0x02 << 12) +#define S3C64XX_GPE3_I2S1_DI (0x03 << 12) +#define S3C64XX_GPE3_AC97_SDI (0x04 << 12) + +#define S3C64XX_GPE4_PCM1_SOUT (0x02 << 16) +#define S3C64XX_GPE4_I2S1_D0 (0x03 << 16) +#define S3C64XX_GPE4_AC97_SDO (0x04 << 16) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-f.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-f.h new file mode 100644 index 000000000000..f3faff974a18 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-f.h @@ -0,0 +1,71 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-f.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank F register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPFCON (S3C64XX_GPF_BASE + 0x00) +#define S3C64XX_GPFDAT (S3C64XX_GPF_BASE + 0x04) +#define S3C64XX_GPFPUD (S3C64XX_GPF_BASE + 0x08) +#define S3C64XX_GPFCONSLP (S3C64XX_GPF_BASE + 0x0c) +#define S3C64XX_GPFPUDSLP (S3C64XX_GPF_BASE + 0x10) + +#define S3C64XX_GPF_CONMASK(__gpio) (0x3 << ((__gpio) * 2)) +#define S3C64XX_GPF_INPUT(__gpio) (0x0 << ((__gpio) * 2)) +#define S3C64XX_GPF_OUTPUT(__gpio) (0x1 << ((__gpio) * 2)) + +#define S3C64XX_GPF0_CAMIF_CLK (0x02 << 0) +#define S3C64XX_GPF0_EINT_G4_0 (0x03 << 0) + +#define S3C64XX_GPF1_CAMIF_HREF (0x02 << 2) +#define S3C64XX_GPF1_EINT_G4_1 (0x03 << 2) + +#define S3C64XX_GPF2_CAMIF_PCLK (0x02 << 4) +#define S3C64XX_GPF2_EINT_G4_2 (0x03 << 4) + +#define S3C64XX_GPF3_CAMIF_nRST (0x02 << 6) +#define S3C64XX_GPF3_EINT_G4_3 (0x03 << 6) + +#define S3C64XX_GPF4_CAMIF_VSYNC (0x02 << 8) +#define S3C64XX_GPF4_EINT_G4_4 (0x03 << 8) + +#define S3C64XX_GPF5_CAMIF_YDATA0 (0x02 << 10) +#define S3C64XX_GPF5_EINT_G4_5 (0x03 << 10) + +#define S3C64XX_GPF6_CAMIF_YDATA1 (0x02 << 12) +#define S3C64XX_GPF6_EINT_G4_6 (0x03 << 12) + +#define S3C64XX_GPF7_CAMIF_YDATA2 (0x02 << 14) +#define S3C64XX_GPF7_EINT_G4_7 (0x03 << 14) + +#define S3C64XX_GPF8_CAMIF_YDATA3 (0x02 << 16) +#define S3C64XX_GPF8_EINT_G4_8 (0x03 << 16) + +#define S3C64XX_GPF9_CAMIF_YDATA4 (0x02 << 18) +#define S3C64XX_GPF9_EINT_G4_9 (0x03 << 18) + +#define S3C64XX_GPF10_CAMIF_YDATA5 (0x02 << 20) +#define S3C64XX_GPF10_EINT_G4_10 (0x03 << 20) + +#define S3C64XX_GPF11_CAMIF_YDATA6 (0x02 << 22) +#define S3C64XX_GPF11_EINT_G4_11 (0x03 << 22) + +#define S3C64XX_GPF12_CAMIF_YDATA7 (0x02 << 24) +#define S3C64XX_GPF12_EINT_G4_12 (0x03 << 24) + +#define S3C64XX_GPF13_PWM_ECLK (0x02 << 26) +#define S3C64XX_GPF13_EINT_G4_13 (0x03 << 26) + +#define S3C64XX_GPF14_PWM_TOUT0 (0x02 << 28) +#define S3C64XX_GPF14_CLKOUT0 (0x03 << 28) + +#define S3C64XX_GPF15_PWM_TOUT1 (0x02 << 30) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-g.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-g.h new file mode 100644 index 000000000000..35bbd2378e55 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-g.h @@ -0,0 +1,42 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-g.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank G register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPGCON (S3C64XX_GPG_BASE + 0x00) +#define S3C64XX_GPGDAT (S3C64XX_GPG_BASE + 0x04) +#define S3C64XX_GPGPUD (S3C64XX_GPG_BASE + 0x08) +#define S3C64XX_GPGCONSLP (S3C64XX_GPG_BASE + 0x0c) +#define S3C64XX_GPGPUDSLP (S3C64XX_GPG_BASE + 0x10) + +#define S3C64XX_GPG_CONMASK(__gpio) (0xf << ((__gpio) * 4)) +#define S3C64XX_GPG_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S3C64XX_GPG_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) + +#define S3C64XX_GPG0_MMC0_CLK (0x02 << 0) +#define S3C64XX_GPG0_EINT_G5_0 (0x07 << 0) + +#define S3C64XX_GPG1_MMC0_CMD (0x02 << 4) +#define S3C64XX_GPG1_EINT_G5_1 (0x07 << 4) + +#define S3C64XX_GPG2_MMC0_DATA0 (0x02 << 8) +#define S3C64XX_GPG2_EINT_G5_2 (0x07 << 8) + +#define S3C64XX_GPG3_MMC0_DATA1 (0x02 << 12) +#define S3C64XX_GPG3_EINT_G5_3 (0x07 << 12) + +#define S3C64XX_GPG4_MMC0_DATA2 (0x02 << 16) +#define S3C64XX_GPG4_EINT_G5_4 (0x07 << 16) + +#define S3C64XX_GPG5_MMC0_DATA3 (0x02 << 20) +#define S3C64XX_GPG5_EINT_G5_5 (0x07 << 20) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h new file mode 100644 index 000000000000..81549516572f --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h @@ -0,0 +1,74 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank H register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPHCON0 (S3C64XX_GPH_BASE + 0x00) +#define S3C64XX_GPHCON1 (S3C64XX_GPH_BASE + 0x04) +#define S3C64XX_GPHDAT (S3C64XX_GPH_BASE + 0x08) +#define S3C64XX_GPHPUD (S3C64XX_GPH_BASE + 0x0c) +#define S3C64XX_GPHCONSLP (S3C64XX_GPH_BASE + 0x10) +#define S3C64XX_GPHPUDSLP (S3C64XX_GPH_BASE + 0x14) + +#define S3C64XX_GPH_CONMASK(__gpio) (0xf << ((__gpio) * 4)) +#define S3C64XX_GPH_INPUT(__gpio) (0x0 << ((__gpio) * 4)) +#define S3C64XX_GPH_OUTPUT(__gpio) (0x1 << ((__gpio) * 4)) + +#define S3C64XX_GPH0_MMC1_CLK (0x02 << 0) +#define S3C64XX_GPH0_KP_COL0 (0x04 << 0) +#define S3C64XX_GPH0_EINT_G6_0 (0x07 << 0) + +#define S3C64XX_GPH1_MMC1_CMD (0x02 << 4) +#define S3C64XX_GPH1_KP_COL1 (0x04 << 4) +#define S3C64XX_GPH1_EINT_G6_1 (0x07 << 4) + +#define S3C64XX_GPH2_MMC1_DATA0 (0x02 << 8) +#define S3C64XX_GPH2_KP_COL2 (0x04 << 8) +#define S3C64XX_GPH2_EINT_G6_2 (0x07 << 8) + +#define S3C64XX_GPH3_MMC1_DATA1 (0x02 << 12) +#define S3C64XX_GPH3_KP_COL3 (0x04 << 12) +#define S3C64XX_GPH3_EINT_G6_3 (0x07 << 12) + +#define S3C64XX_GPH4_MMC1_DATA2 (0x02 << 16) +#define S3C64XX_GPH4_KP_COL4 (0x04 << 16) +#define S3C64XX_GPH4_EINT_G6_4 (0x07 << 16) + +#define S3C64XX_GPH5_MMC1_DATA3 (0x02 << 20) +#define S3C64XX_GPH5_KP_COL5 (0x04 << 20) +#define S3C64XX_GPH5_EINT_G6_5 (0x07 << 20) + +#define S3C64XX_GPH6_MMC1_DATA4 (0x02 << 24) +#define S3C64XX_GPH6_MMC2_DATA0 (0x03 << 24) +#define S3C64XX_GPH6_KP_COL6 (0x04 << 24) +#define S3C64XX_GPH6_I2S_V40_BCLK (0x05 << 24) +#define S3C64XX_GPH6_ADDR_CF0 (0x06 << 24) +#define S3C64XX_GPH6_EINT_G6_6 (0x07 << 24) + +#define S3C64XX_GPH7_MMC1_DATA5 (0x02 << 28) +#define S3C64XX_GPH7_MMC2_DATA1 (0x03 << 28) +#define S3C64XX_GPH7_KP_COL7 (0x04 << 28) +#define S3C64XX_GPH7_I2S_V40_CDCLK (0x05 << 28) +#define S3C64XX_GPH7_ADDR_CF1 (0x06 << 28) +#define S3C64XX_GPH7_EINT_G6_7 (0x07 << 28) + +#define S3C64XX_GPH8_MMC1_DATA6 (0x02 << 32) +#define S3C64XX_GPH8_MMC2_DATA2 (0x03 << 32) +#define S3C64XX_GPH8_I2S_V40_LRCLK (0x05 << 32) +#define S3C64XX_GPH8_ADDR_CF2 (0x06 << 32) +#define S3C64XX_GPH8_EINT_G6_8 (0x07 << 32) + +#define S3C64XX_GPH9_MMC1_DATA7 (0x02 << 36) +#define S3C64XX_GPH9_MMC2_DATA3 (0x03 << 36) +#define S3C64XX_GPH9_I2S_V40_DI (0x05 << 36) +#define S3C64XX_GPH9_EINT_G6_9 (0x07 << 36) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-i.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-i.h new file mode 100644 index 000000000000..ce9ebe335566 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-i.h @@ -0,0 +1,40 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-i.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank I register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPICON (S3C64XX_GPI_BASE + 0x00) +#define S3C64XX_GPIDAT (S3C64XX_GPI_BASE + 0x04) +#define S3C64XX_GPIPUD (S3C64XX_GPI_BASE + 0x08) +#define S3C64XX_GPICONSLP (S3C64XX_GPI_BASE + 0x0c) +#define S3C64XX_GPIPUDSLP (S3C64XX_GPI_BASE + 0x10) + +#define S3C64XX_GPI_CONMASK(__gpio) (0x3 << ((__gpio) * 2)) +#define S3C64XX_GPI_INPUT(__gpio) (0x0 << ((__gpio) * 2)) +#define S3C64XX_GPI_OUTPUT(__gpio) (0x1 << ((__gpio) * 2)) + +#define S3C64XX_GPI0_VD0 (0x02 << 0) +#define S3C64XX_GPI1_VD1 (0x02 << 2) +#define S3C64XX_GPI2_VD2 (0x02 << 4) +#define S3C64XX_GPI3_VD3 (0x02 << 6) +#define S3C64XX_GPI4_VD4 (0x02 << 8) +#define S3C64XX_GPI5_VD5 (0x02 << 10) +#define S3C64XX_GPI6_VD6 (0x02 << 12) +#define S3C64XX_GPI7_VD7 (0x02 << 14) +#define S3C64XX_GPI8_VD8 (0x02 << 16) +#define S3C64XX_GPI9_VD9 (0x02 << 18) +#define S3C64XX_GPI10_VD10 (0x02 << 20) +#define S3C64XX_GPI11_VD11 (0x02 << 22) +#define S3C64XX_GPI12_VD12 (0x02 << 24) +#define S3C64XX_GPI13_VD13 (0x02 << 26) +#define S3C64XX_GPI14_VD14 (0x02 << 28) +#define S3C64XX_GPI15_VD15 (0x02 << 30) diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-j.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-j.h new file mode 100644 index 000000000000..21a906299d30 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-j.h @@ -0,0 +1,36 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-j.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank J register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPJCON (S3C64XX_GPJ_BASE + 0x00) +#define S3C64XX_GPJDAT (S3C64XX_GPJ_BASE + 0x04) +#define S3C64XX_GPJPUD (S3C64XX_GPJ_BASE + 0x08) +#define S3C64XX_GPJCONSLP (S3C64XX_GPJ_BASE + 0x0c) +#define S3C64XX_GPJPUDSLP (S3C64XX_GPJ_BASE + 0x10) + +#define S3C64XX_GPJ_CONMASK(__gpio) (0x3 << ((__gpio) * 2)) +#define S3C64XX_GPJ_INPUT(__gpio) (0x0 << ((__gpio) * 2)) +#define S3C64XX_GPJ_OUTPUT(__gpio) (0x1 << ((__gpio) * 2)) + +#define S3C64XX_GPJ0_VD16 (0x02 << 0) +#define S3C64XX_GPJ1_VD17 (0x02 << 2) +#define S3C64XX_GPJ2_VD18 (0x02 << 4) +#define S3C64XX_GPJ3_VD19 (0x02 << 6) +#define S3C64XX_GPJ4_VD20 (0x02 << 8) +#define S3C64XX_GPJ5_VD21 (0x02 << 10) +#define S3C64XX_GPJ6_VD22 (0x02 << 12) +#define S3C64XX_GPJ7_VD23 (0x02 << 14) +#define S3C64XX_GPJ8_LCD_HSYNC (0x02 << 16) +#define S3C64XX_GPJ9_LCD_VSYNC (0x02 << 18) +#define S3C64XX_GPJ10_LCD_VDEN (0x02 << 20) +#define S3C64XX_GPJ11_LCD_VCLK (0x02 << 22) diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-n.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-n.h new file mode 100644 index 000000000000..569e76120881 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-n.h @@ -0,0 +1,54 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-n.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank N register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPNCON (S3C64XX_GPN_BASE + 0x00) +#define S3C64XX_GPNDAT (S3C64XX_GPN_BASE + 0x04) +#define S3C64XX_GPNPUD (S3C64XX_GPN_BASE + 0x08) + +#define S3C64XX_GPN_CONMASK(__gpio) (0x3 << ((__gpio) * 2)) +#define S3C64XX_GPN_INPUT(__gpio) (0x0 << ((__gpio) * 2)) +#define S3C64XX_GPN_OUTPUT(__gpio) (0x1 << ((__gpio) * 2)) + +#define S3C64XX_GPN0_EINT0 (0x02 << 0) +#define S3C64XX_GPN0_KP_ROW0 (0x03 << 0) + +#define S3C64XX_GPN1_EINT1 (0x02 << 2) +#define S3C64XX_GPN1_KP_ROW1 (0x03 << 2) + +#define S3C64XX_GPN2_EINT2 (0x02 << 4) +#define S3C64XX_GPN2_KP_ROW2 (0x03 << 4) + +#define S3C64XX_GPN3_EINT3 (0x02 << 6) +#define S3C64XX_GPN3_KP_ROW3 (0x03 << 6) + +#define S3C64XX_GPN4_EINT4 (0x02 << 8) +#define S3C64XX_GPN4_KP_ROW4 (0x03 << 8) + +#define S3C64XX_GPN5_EINT5 (0x02 << 10) +#define S3C64XX_GPN5_KP_ROW5 (0x03 << 10) + +#define S3C64XX_GPN6_EINT6 (0x02 << 12) +#define S3C64XX_GPN6_KP_ROW6 (0x03 << 12) + +#define S3C64XX_GPN7_EINT7 (0x02 << 14) +#define S3C64XX_GPN7_KP_ROW7 (0x03 << 14) + +#define S3C64XX_GPN8_EINT8 (0x02 << 16) +#define S3C64XX_GPN9_EINT9 (0x02 << 18) +#define S3C64XX_GPN10_EINT10 (0x02 << 20) +#define S3C64XX_GPN11_EINT11 (0x02 << 22) +#define S3C64XX_GPN12_EINT12 (0x02 << 24) +#define S3C64XX_GPN13_EINT13 (0x02 << 26) +#define S3C64XX_GPN14_EINT14 (0x02 << 28) +#define S3C64XX_GPN15_EINT15 (0x02 << 30) diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-o.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-o.h new file mode 100644 index 000000000000..b09e12954b57 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-o.h @@ -0,0 +1,70 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-o.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank O register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPOCON (S3C64XX_GPO_BASE + 0x00) +#define S3C64XX_GPODAT (S3C64XX_GPO_BASE + 0x04) +#define S3C64XX_GPOPUD (S3C64XX_GPO_BASE + 0x08) +#define S3C64XX_GPOCONSLP (S3C64XX_GPO_BASE + 0x0c) +#define S3C64XX_GPOPUDSLP (S3C64XX_GPO_BASE + 0x10) + +#define S3C64XX_GPO_CONMASK(__gpio) (0x3 << ((__gpio) * 2)) +#define S3C64XX_GPO_INPUT(__gpio) (0x0 << ((__gpio) * 2)) +#define S3C64XX_GPO_OUTPUT(__gpio) (0x1 << ((__gpio) * 2)) + +#define S3C64XX_GPO0_MEM0_nCS2 (0x02 << 0) +#define S3C64XX_GPO0_EINT_G7_0 (0x03 << 0) + +#define S3C64XX_GPO1_MEM0_nCS3 (0x02 << 2) +#define S3C64XX_GPO1_EINT_G7_1 (0x03 << 2) + +#define S3C64XX_GPO2_MEM0_nCS4 (0x02 << 4) +#define S3C64XX_GPO2_EINT_G7_2 (0x03 << 4) + +#define S3C64XX_GPO3_MEM0_nCS5 (0x02 << 6) +#define S3C64XX_GPO3_EINT_G7_3 (0x03 << 6) + +#define S3C64XX_GPO4_EINT_G7_4 (0x03 << 8) + +#define S3C64XX_GPO5_EINT_G7_5 (0x03 << 10) + +#define S3C64XX_GPO6_MEM0_ADDR6 (0x02 << 12) +#define S3C64XX_GPO6_EINT_G7_6 (0x03 << 12) + +#define S3C64XX_GPO7_MEM0_ADDR7 (0x02 << 14) +#define S3C64XX_GPO7_EINT_G7_7 (0x03 << 14) + +#define S3C64XX_GPO8_MEM0_ADDR8 (0x02 << 16) +#define S3C64XX_GPO8_EINT_G7_8 (0x03 << 16) + +#define S3C64XX_GPO9_MEM0_ADDR9 (0x02 << 18) +#define S3C64XX_GPO9_EINT_G7_9 (0x03 << 18) + +#define S3C64XX_GPO10_MEM0_ADDR10 (0x02 << 20) +#define S3C64XX_GPO10_EINT_G7_10 (0x03 << 20) + +#define S3C64XX_GPO11_MEM0_ADDR11 (0x02 << 22) +#define S3C64XX_GPO11_EINT_G7_11 (0x03 << 22) + +#define S3C64XX_GPO12_MEM0_ADDR12 (0x02 << 24) +#define S3C64XX_GPO12_EINT_G7_12 (0x03 << 24) + +#define S3C64XX_GPO13_MEM0_ADDR13 (0x02 << 26) +#define S3C64XX_GPO13_EINT_G7_13 (0x03 << 26) + +#define S3C64XX_GPO14_MEM0_ADDR14 (0x02 << 28) +#define S3C64XX_GPO14_EINT_G7_14 (0x03 << 28) + +#define S3C64XX_GPO15_MEM0_ADDR15 (0x02 << 30) +#define S3C64XX_GPO15_EINT_G7_15 (0x03 << 30) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-p.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-p.h new file mode 100644 index 000000000000..92f00517926b --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-p.h @@ -0,0 +1,69 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-p.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank P register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPPCON (S3C64XX_GPP_BASE + 0x00) +#define S3C64XX_GPPDAT (S3C64XX_GPP_BASE + 0x04) +#define S3C64XX_GPPPUD (S3C64XX_GPP_BASE + 0x08) +#define S3C64XX_GPPCONSLP (S3C64XX_GPP_BASE + 0x0c) +#define S3C64XX_GPPPUDSLP (S3C64XX_GPP_BASE + 0x10) + +#define S3C64XX_GPP_CONMASK(__gpio) (0x3 << ((__gpio) * 2)) +#define S3C64XX_GPP_INPUT(__gpio) (0x0 << ((__gpio) * 2)) +#define S3C64XX_GPP_OUTPUT(__gpio) (0x1 << ((__gpio) * 2)) + +#define S3C64XX_GPP0_MEM0_ADDRV (0x02 << 0) +#define S3C64XX_GPP0_EINT_G8_0 (0x03 << 0) + +#define S3C64XX_GPP1_MEM0_SMCLK (0x02 << 2) +#define S3C64XX_GPP1_EINT_G8_1 (0x03 << 2) + +#define S3C64XX_GPP2_MEM0_nWAIT (0x02 << 4) +#define S3C64XX_GPP2_EINT_G8_2 (0x03 << 4) + +#define S3C64XX_GPP3_MEM0_RDY0_ALE (0x02 << 6) +#define S3C64XX_GPP3_EINT_G8_3 (0x03 << 6) + +#define S3C64XX_GPP4_MEM0_RDY1_CLE (0x02 << 8) +#define S3C64XX_GPP4_EINT_G8_4 (0x03 << 8) + +#define S3C64XX_GPP5_MEM0_INTsm0_FWE (0x02 << 10) +#define S3C64XX_GPP5_EINT_G8_5 (0x03 << 10) + +#define S3C64XX_GPP6_MEM0_(null) (0x02 << 12) +#define S3C64XX_GPP6_EINT_G8_6 (0x03 << 12) + +#define S3C64XX_GPP7_MEM0_INTsm1_FRE (0x02 << 14) +#define S3C64XX_GPP7_EINT_G8_7 (0x03 << 14) + +#define S3C64XX_GPP8_MEM0_RPn_RnB (0x02 << 16) +#define S3C64XX_GPP8_EINT_G8_8 (0x03 << 16) + +#define S3C64XX_GPP9_MEM0_ATA_RESET (0x02 << 18) +#define S3C64XX_GPP9_EINT_G8_9 (0x03 << 18) + +#define S3C64XX_GPP10_MEM0_ATA_INPACK (0x02 << 20) +#define S3C64XX_GPP10_EINT_G8_10 (0x03 << 20) + +#define S3C64XX_GPP11_MEM0_ATA_REG (0x02 << 22) +#define S3C64XX_GPP11_EINT_G8_11 (0x03 << 22) + +#define S3C64XX_GPP12_MEM0_ATA_WE (0x02 << 24) +#define S3C64XX_GPP12_EINT_G8_12 (0x03 << 24) + +#define S3C64XX_GPP13_MEM0_ATA_OE (0x02 << 26) +#define S3C64XX_GPP13_EINT_G8_13 (0x03 << 26) + +#define S3C64XX_GPP14_MEM0_ATA_CD (0x02 << 28) +#define S3C64XX_GPP14_EINT_G8_14 (0x03 << 28) + diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-q.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-q.h new file mode 100644 index 000000000000..565e60aaee47 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-q.h @@ -0,0 +1,46 @@ +/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-q.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * GPIO Bank Q register and configuration definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C64XX_GPQCON (S3C64XX_GPQ_BASE + 0x00) +#define S3C64XX_GPQDAT (S3C64XX_GPQ_BASE + 0x04) +#define S3C64XX_GPQPUD (S3C64XX_GPQ_BASE + 0x08) +#define S3C64XX_GPQCONSLP (S3C64XX_GPQ_BASE + 0x0c) +#define S3C64XX_GPQPUDSLP (S3C64XX_GPQ_BASE + 0x10) + +#define S3C64XX_GPQ_CONMASK(__gpio) (0x3 << ((__gpio) * 2)) +#define S3C64XX_GPQ_INPUT(__gpio) (0x0 << ((__gpio) * 2)) +#define S3C64XX_GPQ_OUTPUT(__gpio) (0x1 << ((__gpio) * 2)) + +#define S3C64XX_GPQ0_MEM0_ADDR18_RAS (0x02 << 0) +#define S3C64XX_GPQ0_EINT_G9_0 (0x03 << 0) + +#define S3C64XX_GPQ1_MEM0_ADDR19_CAS (0x02 << 2) +#define S3C64XX_GPQ1_EINT_G9_1 (0x03 << 2) + +#define S3C64XX_GPQ2_EINT_G9_2 (0x03 << 4) + +#define S3C64XX_GPQ3_EINT_G9_3 (0x03 << 6) + +#define S3C64XX_GPQ4_EINT_G9_4 (0x03 << 8) + +#define S3C64XX_GPQ5_EINT_G9_5 (0x03 << 10) + +#define S3C64XX_GPQ6_EINT_G9_6 (0x03 << 12) + +#define S3C64XX_GPQ7_MEM0_ADDR17_WENDMC (0x02 << 14) +#define S3C64XX_GPQ7_EINT_G9_7 (0x03 << 14) + +#define S3C64XX_GPQ8_MEM0_ADDR16_APDMC (0x02 << 16) +#define S3C64XX_GPQ8_EINT_G9_8 (0x03 << 16) + diff --git a/arch/arm/plat-s3c64xx/include/plat/irqs.h b/arch/arm/plat-s3c64xx/include/plat/irqs.h new file mode 100644 index 000000000000..2846f550b727 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/irqs.h @@ -0,0 +1,201 @@ +/* linux/arch/arm/plat-s3c64xx/include/mach/irqs.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - Common IRQ support + */ + +#ifndef __ASM_PLAT_S3C64XX_IRQS_H +#define __ASM_PLAT_S3C64XX_IRQS_H __FILE__ + +/* we keep the first set of CPU IRQs out of the range of + * the ISA space, so that the PC104 has them to itself + * and we don't end up having to do horrible things to the + * standard ISA drivers.... + * + * note, since we're using the VICs, our start must be a + * mulitple of 32 to allow the common code to work + */ + +#define S3C_IRQ_OFFSET (32) + +#define S3C_IRQ(x) ((x) + S3C_IRQ_OFFSET) + +#define S3C_VIC0_BASE S3C_IRQ(0) +#define S3C_VIC1_BASE S3C_IRQ(32) + +/* UART interrupts, each UART has 4 intterupts per channel so + * use the space between the ISA and S3C main interrupts. Note, these + * are not in the same order as the S3C24XX series! */ + +#define IRQ_S3CUART_BASE0 (16) +#define IRQ_S3CUART_BASE1 (20) +#define IRQ_S3CUART_BASE2 (24) +#define IRQ_S3CUART_BASE3 (28) + +#define UART_IRQ_RXD (0) +#define UART_IRQ_ERR (1) +#define UART_IRQ_TXD (2) +#define UART_IRQ_MODEM (3) + +#define IRQ_S3CUART_RX0 (IRQ_S3CUART_BASE0 + UART_IRQ_RXD) +#define IRQ_S3CUART_TX0 (IRQ_S3CUART_BASE0 + UART_IRQ_TXD) +#define IRQ_S3CUART_ERR0 (IRQ_S3CUART_BASE0 + UART_IRQ_ERR) + +#define IRQ_S3CUART_RX1 (IRQ_S3CUART_BASE1 + UART_IRQ_RXD) +#define IRQ_S3CUART_TX1 (IRQ_S3CUART_BASE1 + UART_IRQ_TXD) +#define IRQ_S3CUART_ERR1 (IRQ_S3CUART_BASE1 + UART_IRQ_ERR) + +#define IRQ_S3CUART_RX2 (IRQ_S3CUART_BASE2 + UART_IRQ_RXD) +#define IRQ_S3CUART_TX2 (IRQ_S3CUART_BASE2 + UART_IRQ_TXD) +#define IRQ_S3CUART_ERR2 (IRQ_S3CUART_BASE2 + UART_IRQ_ERR) + +#define IRQ_S3CUART_RX3 (IRQ_S3CUART_BASE3 + UART_IRQ_RXD) +#define IRQ_S3CUART_TX3 (IRQ_S3CUART_BASE3 + UART_IRQ_TXD) +#define IRQ_S3CUART_ERR3 (IRQ_S3CUART_BASE3 + UART_IRQ_ERR) + +/* VIC based IRQs */ + +#define S3C64XX_IRQ_VIC0(x) (S3C_VIC0_BASE + (x)) +#define S3C64XX_IRQ_VIC1(x) (S3C_VIC1_BASE + (x)) + +/* VIC0 */ + +#define IRQ_EINT0_3 S3C64XX_IRQ_VIC0(0) +#define IRQ_EINT4_11 S3C64XX_IRQ_VIC0(1) +#define IRQ_RTC_TIC S3C64XX_IRQ_VIC0(2) +#define IRQ_CAMIF_C S3C64XX_IRQ_VIC0(3) +#define IRQ_CAMIF_P S3C64XX_IRQ_VIC0(4) +#define IRQ_CAMIF_MC S3C64XX_IRQ_VIC0(5) +#define IRQ_S3C6410_IIC1 S3C64XX_IRQ_VIC0(5) +#define IRQ_S3C6410_IIS S3C64XX_IRQ_VIC0(6) +#define IRQ_S3C6400_CAMIF_MP S3C64XX_IRQ_VIC0(6) +#define IRQ_CAMIF_WE_C S3C64XX_IRQ_VIC0(7) +#define IRQ_S3C6410_G3D S3C64XX_IRQ_VIC0(8) +#define IRQ_S3C6400_CAMIF_WE_P S3C64XX_IRQ_VIC0(8) +#define IRQ_POST0 S3C64XX_IRQ_VIC0(9) +#define IRQ_ROTATOR S3C64XX_IRQ_VIC0(10) +#define IRQ_2D S3C64XX_IRQ_VIC0(11) +#define IRQ_TVENC S3C64XX_IRQ_VIC0(12) +#define IRQ_SCALER S3C64XX_IRQ_VIC0(13) +#define IRQ_BATF S3C64XX_IRQ_VIC0(14) +#define IRQ_JPEG S3C64XX_IRQ_VIC0(15) +#define IRQ_MFC S3C64XX_IRQ_VIC0(16) +#define IRQ_SDMA0 S3C64XX_IRQ_VIC0(17) +#define IRQ_SDMA1 S3C64XX_IRQ_VIC0(18) +#define IRQ_ARM_DMAERR S3C64XX_IRQ_VIC0(19) +#define IRQ_ARM_DMA S3C64XX_IRQ_VIC0(20) +#define IRQ_ARM_DMAS S3C64XX_IRQ_VIC0(21) +#define IRQ_KEYPAD S3C64XX_IRQ_VIC0(22) +#define IRQ_TIMER0_VIC S3C64XX_IRQ_VIC0(23) +#define IRQ_TIMER1_VIC S3C64XX_IRQ_VIC0(24) +#define IRQ_TIMER2_VIC S3C64XX_IRQ_VIC0(25) +#define IRQ_WDT S3C64XX_IRQ_VIC0(26) +#define IRQ_TIMER3_VIC S3C64XX_IRQ_VIC0(27) +#define IRQ_TIMER4_VIC S3C64XX_IRQ_VIC0(28) +#define IRQ_LCD_FIFO S3C64XX_IRQ_VIC0(29) +#define IRQ_LCD_VSYNC S3C64XX_IRQ_VIC0(30) +#define IRQ_LCD_SYSTEM S3C64XX_IRQ_VIC0(31) + +/* VIC1 */ + +#define IRQ_EINT12_19 S3C64XX_IRQ_VIC1(0) +#define IRQ_EINT20_27 S3C64XX_IRQ_VIC1(1) +#define IRQ_PCM0 S3C64XX_IRQ_VIC1(2) +#define IRQ_PCM1 S3C64XX_IRQ_VIC1(3) +#define IRQ_AC97 S3C64XX_IRQ_VIC1(4) +#define IRQ_UART0 S3C64XX_IRQ_VIC1(5) +#define IRQ_UART1 S3C64XX_IRQ_VIC1(6) +#define IRQ_UART2 S3C64XX_IRQ_VIC1(7) +#define IRQ_UART3 S3C64XX_IRQ_VIC1(8) +#define IRQ_DMA0 S3C64XX_IRQ_VIC1(9) +#define IRQ_DMA1 S3C64XX_IRQ_VIC1(10) +#define IRQ_ONENAND0 S3C64XX_IRQ_VIC1(11) +#define IRQ_ONENAND1 S3C64XX_IRQ_VIC1(12) +#define IRQ_NFC S3C64XX_IRQ_VIC1(13) +#define IRQ_CFCON S3C64XX_IRQ_VIC1(14) +#define IRQ_UHOST S3C64XX_IRQ_VIC1(15) +#define IRQ_SPI0 S3C64XX_IRQ_VIC1(16) +#define IRQ_SPI1 S3C64XX_IRQ_VIC1(17) +#define IRQ_IIC S3C64XX_IRQ_VIC1(18) +#define IRQ_HSItx S3C64XX_IRQ_VIC1(19) +#define IRQ_HSIrx S3C64XX_IRQ_VIC1(20) +#define IRQ_RESERVED S3C64XX_IRQ_VIC1(21) +#define IRQ_MSM S3C64XX_IRQ_VIC1(22) +#define IRQ_HOSTIF S3C64XX_IRQ_VIC1(23) +#define IRQ_HSMMC0 S3C64XX_IRQ_VIC1(24) +#define IRQ_HSMMC1 S3C64XX_IRQ_VIC1(25) +#define IRQ_HSMMC2 IRQ_SPI1 /* shared with SPI1 */ +#define IRQ_OTG S3C64XX_IRQ_VIC1(26) +#define IRQ_IRDA S3C64XX_IRQ_VIC1(27) +#define IRQ_RTC_ALARM S3C64XX_IRQ_VIC1(28) +#define IRQ_SEC S3C64XX_IRQ_VIC1(29) +#define IRQ_PENDN S3C64XX_IRQ_VIC1(30) +#define IRQ_TC IRQ_PENDN +#define IRQ_ADC S3C64XX_IRQ_VIC1(31) + +#define S3C64XX_TIMER_IRQ(x) S3C_IRQ(64 + (x)) + +#define IRQ_TIMER0 S3C64XX_TIMER_IRQ(0) +#define IRQ_TIMER1 S3C64XX_TIMER_IRQ(1) +#define IRQ_TIMER2 S3C64XX_TIMER_IRQ(2) +#define IRQ_TIMER3 S3C64XX_TIMER_IRQ(3) +#define IRQ_TIMER4 S3C64XX_TIMER_IRQ(4) + +/* compatibility for device defines */ + +#define IRQ_IIC1 IRQ_S3C6410_IIC1 + +/* Since the IRQ_EINT(x) are a linear mapping on current s3c64xx series + * we just defined them as an IRQ_EINT(x) macro from S3C_IRQ_EINT_BASE + * which we place after the pair of VICs. */ + +#define S3C_IRQ_EINT_BASE S3C_IRQ(64+5) + +#define S3C_EINT(x) ((x) + S3C_IRQ_EINT_BASE) +#define IRQ_EINT(x) S3C_EINT(x) + +/* Next the external interrupt groups. These are similar to the IRQ_EINT(x) + * that they are sourced from the GPIO pins but with a different scheme for + * priority and source indication. + * + * The IRQ_EINT(x) can be thought of as 'group 0' of the available GPIO + * interrupts, but for historical reasons they are kept apart from these + * next interrupts. + * + * Use IRQ_EINT_GROUP(group, offset) to get the number for use in the + * machine specific support files. + */ + +#define IRQ_EINT_GROUP1_NR (15) +#define IRQ_EINT_GROUP2_NR (8) +#define IRQ_EINT_GROUP3_NR (5) +#define IRQ_EINT_GROUP4_NR (14) +#define IRQ_EINT_GROUP5_NR (7) +#define IRQ_EINT_GROUP6_NR (10) +#define IRQ_EINT_GROUP7_NR (16) +#define IRQ_EINT_GROUP8_NR (15) +#define IRQ_EINT_GROUP9_NR (9) + +#define IRQ_EINT_GROUP_BASE S3C_EINT(28) +#define IRQ_EINT_GROUP1_BASE (IRQ_EINT_GROUP_BASE + 0x00) +#define IRQ_EINT_GROUP2_BASE (IRQ_EINT_GROUP1_BASE + IRQ_EINT_GROUP1_NR) +#define IRQ_EINT_GROUP3_BASE (IRQ_EINT_GROUP2_BASE + IRQ_EINT_GROUP2_NR) +#define IRQ_EINT_GROUP4_BASE (IRQ_EINT_GROUP3_BASE + IRQ_EINT_GROUP3_NR) +#define IRQ_EINT_GROUP5_BASE (IRQ_EINT_GROUP4_BASE + IRQ_EINT_GROUP4_NR) +#define IRQ_EINT_GROUP6_BASE (IRQ_EINT_GROUP5_BASE + IRQ_EINT_GROUP5_NR) +#define IRQ_EINT_GROUP7_BASE (IRQ_EINT_GROUP6_BASE + IRQ_EINT_GROUP6_NR) +#define IRQ_EINT_GROUP8_BASE (IRQ_EINT_GROUP7_BASE + IRQ_EINT_GROUP7_NR) +#define IRQ_EINT_GROUP9_BASE (IRQ_EINT_GROUP8_BASE + IRQ_EINT_GROUP8_NR) + +#define IRQ_EINT_GROUP(group, no) (IRQ_EINT_GROUP##group##_BASE + (no)) + +/* Set the default NR_IRQS */ + +#define NR_IRQS (IRQ_EINT_GROUP9_BASE + IRQ_EINT_GROUP9_NR + 1) + +#endif /* __ASM_PLAT_S3C64XX_IRQS_H */ + diff --git a/arch/arm/plat-s3c64xx/include/plat/pll.h b/arch/arm/plat-s3c64xx/include/plat/pll.h new file mode 100644 index 000000000000..90bbd72fdc4e --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/pll.h @@ -0,0 +1,74 @@ +/* arch/arm/plat-s3c64xx/include/plat/pll.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C64XX PLL code + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S3C6400_PLL_MDIV_MASK ((1 << (25-16+1)) - 1) +#define S3C6400_PLL_PDIV_MASK ((1 << (13-8+1)) - 1) +#define S3C6400_PLL_SDIV_MASK ((1 << (2-0+1)) - 1) +#define S3C6400_PLL_MDIV_SHIFT (16) +#define S3C6400_PLL_PDIV_SHIFT (8) +#define S3C6400_PLL_SDIV_SHIFT (0) + +#include <asm/div64.h> + +static inline unsigned long s3c6400_get_pll(unsigned long baseclk, + u32 pllcon) +{ + u32 mdiv, pdiv, sdiv; + u64 fvco = baseclk; + + mdiv = (pllcon >> S3C6400_PLL_MDIV_SHIFT) & S3C6400_PLL_MDIV_MASK; + pdiv = (pllcon >> S3C6400_PLL_PDIV_SHIFT) & S3C6400_PLL_PDIV_MASK; + sdiv = (pllcon >> S3C6400_PLL_SDIV_SHIFT) & S3C6400_PLL_SDIV_MASK; + + fvco *= mdiv; + do_div(fvco, (pdiv << sdiv)); + + return (unsigned long)fvco; +} + +#define S3C6400_EPLL_MDIV_MASK ((1 << (23-16)) - 1) +#define S3C6400_EPLL_PDIV_MASK ((1 << (13-8)) - 1) +#define S3C6400_EPLL_SDIV_MASK ((1 << (2-0)) - 1) +#define S3C6400_EPLL_MDIV_SHIFT (16) +#define S3C6400_EPLL_PDIV_SHIFT (8) +#define S3C6400_EPLL_SDIV_SHIFT (0) +#define S3C6400_EPLL_KDIV_MASK (0xffff) + +static inline unsigned long s3c6400_get_epll(unsigned long baseclk) +{ + unsigned long result; + u32 epll0 = __raw_readl(S3C_EPLL_CON0); + u32 epll1 = __raw_readl(S3C_EPLL_CON1); + u32 mdiv, pdiv, sdiv, kdiv; + u64 tmp; + + mdiv = (epll0 >> S3C6400_EPLL_MDIV_SHIFT) & S3C6400_EPLL_MDIV_MASK; + pdiv = (epll0 >> S3C6400_EPLL_PDIV_SHIFT) & S3C6400_EPLL_PDIV_MASK; + sdiv = (epll0 >> S3C6400_EPLL_SDIV_SHIFT) & S3C6400_EPLL_SDIV_MASK; + kdiv = epll1 & S3C6400_EPLL_KDIV_MASK; + + /* We need to multiple baseclk by mdiv (the integer part) and kdiv + * which is in 2^16ths, so shift mdiv up (does not overflow) and + * add kdiv before multiplying. The use of tmp is to avoid any + * overflows before shifting bac down into result when multipling + * by the mdiv and kdiv pair. + */ + + tmp = baseclk; + tmp *= (mdiv << 16) + kdiv; + do_div(tmp, (pdiv << sdiv)); + result = tmp >> 16; + + return result; +} diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-clock.h b/arch/arm/plat-s3c64xx/include/plat/regs-clock.h new file mode 100644 index 000000000000..b1082c163247 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/regs-clock.h @@ -0,0 +1,224 @@ +/* arch/arm/plat-s3c64xx/include/plat/regs-clock.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C64XX clock register definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __PLAT_REGS_CLOCK_H +#define __PLAT_REGS_CLOCK_H __FILE__ + +#define S3C_CLKREG(x) (S3C_VA_SYS + (x)) + +#define S3C_APLL_LOCK S3C_CLKREG(0x00) +#define S3C_MPLL_LOCK S3C_CLKREG(0x04) +#define S3C_EPLL_LOCK S3C_CLKREG(0x08) +#define S3C_APLL_CON S3C_CLKREG(0x0C) +#define S3C_MPLL_CON S3C_CLKREG(0x10) +#define S3C_EPLL_CON0 S3C_CLKREG(0x14) +#define S3C_EPLL_CON1 S3C_CLKREG(0x18) +#define S3C_CLK_SRC S3C_CLKREG(0x1C) +#define S3C_CLK_DIV0 S3C_CLKREG(0x20) +#define S3C_CLK_DIV1 S3C_CLKREG(0x24) +#define S3C_CLK_DIV2 S3C_CLKREG(0x28) +#define S3C_CLK_OUT S3C_CLKREG(0x2C) +#define S3C_HCLK_GATE S3C_CLKREG(0x30) +#define S3C_PCLK_GATE S3C_CLKREG(0x34) +#define S3C_SCLK_GATE S3C_CLKREG(0x38) + +/* CLKDIV0 */ +#define S3C6400_CLKDIV0_MFC_MASK (0xf << 28) +#define S3C6400_CLKDIV0_MFC_SHIFT (28) +#define S3C6400_CLKDIV0_JPEG_MASK (0xf << 24) +#define S3C6400_CLKDIV0_JPEG_SHIFT (24) +#define S3C6400_CLKDIV0_CAM_MASK (0xf << 20) +#define S3C6400_CLKDIV0_CAM_SHIFT (20) +#define S3C6400_CLKDIV0_SECURITY_MASK (0x3 << 18) +#define S3C6400_CLKDIV0_SECURITY_SHIFT (18) +#define S3C6400_CLKDIV0_PCLK_MASK (0xf << 12) +#define S3C6400_CLKDIV0_PCLK_SHIFT (12) +#define S3C6400_CLKDIV0_HCLK2_MASK (0x7 << 9) +#define S3C6400_CLKDIV0_HCLK2_SHIFT (9) +#define S3C6400_CLKDIV0_HCLK_MASK (0x1 << 8) +#define S3C6400_CLKDIV0_HCLK_SHIFT (8) +#define S3C6400_CLKDIV0_MPLL_MASK (0x1 << 4) +#define S3C6400_CLKDIV0_MPLL_SHIFT (4) +#define S3C6400_CLKDIV0_ARM_MASK (0x3 << 0) +#define S3C6410_CLKDIV0_ARM_MASK (0x7 << 0) +#define S3C6400_CLKDIV0_ARM_SHIFT (0) + +/* CLKDIV1 */ +#define S3C6410_CLKDIV1_FIMC_MASK (0xf << 24) +#define S3C6410_CLKDIV1_FIMC_SHIFT (24) +#define S3C6400_CLKDIV1_UHOST_MASK (0xf << 20) +#define S3C6400_CLKDIV1_UHOST_SHIFT (20) +#define S3C6400_CLKDIV1_SCALER_MASK (0xf << 16) +#define S3C6400_CLKDIV1_SCALER_SHIFT (16) +#define S3C6400_CLKDIV1_LCD_MASK (0xf << 12) +#define S3C6400_CLKDIV1_LCD_SHIFT (12) +#define S3C6400_CLKDIV1_MMC2_MASK (0xf << 8) +#define S3C6400_CLKDIV1_MMC2_SHIFT (8) +#define S3C6400_CLKDIV1_MMC1_MASK (0xf << 4) +#define S3C6400_CLKDIV1_MMC1_SHIFT (4) +#define S3C6400_CLKDIV1_MMC0_MASK (0xf << 0) +#define S3C6400_CLKDIV1_MMC0_SHIFT (0) + +/* CLKDIV2 */ +#define S3C6410_CLKDIV2_AUDIO2_MASK (0xf << 24) +#define S3C6410_CLKDIV2_AUDIO2_SHIFT (24) +#define S3C6400_CLKDIV2_IRDA_MASK (0xf << 20) +#define S3C6400_CLKDIV2_IRDA_SHIFT (20) +#define S3C6400_CLKDIV2_UART_MASK (0xf << 16) +#define S3C6400_CLKDIV2_UART_SHIFT (16) +#define S3C6400_CLKDIV2_AUDIO1_MASK (0xf << 12) +#define S3C6400_CLKDIV2_AUDIO1_SHIFT (12) +#define S3C6400_CLKDIV2_AUDIO0_MASK (0xf << 8) +#define S3C6400_CLKDIV2_AUDIO0_SHIFT (8) +#define S3C6400_CLKDIV2_SPI1_MASK (0xf << 4) +#define S3C6400_CLKDIV2_SPI1_SHIFT (4) +#define S3C6400_CLKDIV2_SPI0_MASK (0xf << 0) +#define S3C6400_CLKDIV2_SPI0_SHIFT (0) + +/* HCLK GATE Registers */ +#define S3C_CLKCON_HCLK_BUS (1<<30) +#define S3C_CLKCON_HCLK_SECUR (1<<29) +#define S3C_CLKCON_HCLK_SDMA1 (1<<28) +#define S3C_CLKCON_HCLK_SDMA2 (1<<27) +#define S3C_CLKCON_HCLK_UHOST (1<<26) +#define S3C_CLKCON_HCLK_IROM (1<<25) +#define S3C_CLKCON_HCLK_DDR1 (1<<24) +#define S3C_CLKCON_HCLK_DDR0 (1<<23) +#define S3C_CLKCON_HCLK_MEM1 (1<<22) +#define S3C_CLKCON_HCLK_MEM0 (1<<21) +#define S3C_CLKCON_HCLK_USB (1<<20) +#define S3C_CLKCON_HCLK_HSMMC2 (1<<19) +#define S3C_CLKCON_HCLK_HSMMC1 (1<<18) +#define S3C_CLKCON_HCLK_HSMMC0 (1<<17) +#define S3C_CLKCON_HCLK_MDP (1<<16) +#define S3C_CLKCON_HCLK_DHOST (1<<15) +#define S3C_CLKCON_HCLK_IHOST (1<<14) +#define S3C_CLKCON_HCLK_DMA1 (1<<13) +#define S3C_CLKCON_HCLK_DMA0 (1<<12) +#define S3C_CLKCON_HCLK_JPEG (1<<11) +#define S3C_CLKCON_HCLK_CAMIF (1<<10) +#define S3C_CLKCON_HCLK_SCALER (1<<9) +#define S3C_CLKCON_HCLK_2D (1<<8) +#define S3C_CLKCON_HCLK_TV (1<<7) +#define S3C_CLKCON_HCLK_POST0 (1<<5) +#define S3C_CLKCON_HCLK_ROT (1<<4) +#define S3C_CLKCON_HCLK_LCD (1<<3) +#define S3C_CLKCON_HCLK_TZIC (1<<2) +#define S3C_CLKCON_HCLK_INTC (1<<1) +#define S3C_CLKCON_HCLK_MFC (1<<0) + +/* PCLK GATE Registers */ +#define S3C6410_CLKCON_PCLK_I2C1 (1<<27) +#define S3C6410_CLKCON_PCLK_IIS2 (1<<26) +#define S3C_CLKCON_PCLK_SKEY (1<<24) +#define S3C_CLKCON_PCLK_CHIPID (1<<23) +#define S3C_CLKCON_PCLK_SPI1 (1<<22) +#define S3C_CLKCON_PCLK_SPI0 (1<<21) +#define S3C_CLKCON_PCLK_HSIRX (1<<20) +#define S3C_CLKCON_PCLK_HSITX (1<<19) +#define S3C_CLKCON_PCLK_GPIO (1<<18) +#define S3C_CLKCON_PCLK_IIC (1<<17) +#define S3C_CLKCON_PCLK_IIS1 (1<<16) +#define S3C_CLKCON_PCLK_IIS0 (1<<15) +#define S3C_CLKCON_PCLK_AC97 (1<<14) +#define S3C_CLKCON_PCLK_TZPC (1<<13) +#define S3C_CLKCON_PCLK_TSADC (1<<12) +#define S3C_CLKCON_PCLK_KEYPAD (1<<11) +#define S3C_CLKCON_PCLK_IRDA (1<<10) +#define S3C_CLKCON_PCLK_PCM1 (1<<9) +#define S3C_CLKCON_PCLK_PCM0 (1<<8) +#define S3C_CLKCON_PCLK_PWM (1<<7) +#define S3C_CLKCON_PCLK_RTC (1<<6) +#define S3C_CLKCON_PCLK_WDT (1<<5) +#define S3C_CLKCON_PCLK_UART3 (1<<4) +#define S3C_CLKCON_PCLK_UART2 (1<<3) +#define S3C_CLKCON_PCLK_UART1 (1<<2) +#define S3C_CLKCON_PCLK_UART0 (1<<1) +#define S3C_CLKCON_PCLK_MFC (1<<0) + +/* SCLK GATE Registers */ +#define S3C_CLKCON_SCLK_UHOST (1<<30) +#define S3C_CLKCON_SCLK_MMC2_48 (1<<29) +#define S3C_CLKCON_SCLK_MMC1_48 (1<<28) +#define S3C_CLKCON_SCLK_MMC0_48 (1<<27) +#define S3C_CLKCON_SCLK_MMC2 (1<<26) +#define S3C_CLKCON_SCLK_MMC1 (1<<25) +#define S3C_CLKCON_SCLK_MMC0 (1<<24) +#define S3C_CLKCON_SCLK_SPI1_48 (1<<23) +#define S3C_CLKCON_SCLK_SPI0_48 (1<<22) +#define S3C_CLKCON_SCLK_SPI1 (1<<21) +#define S3C_CLKCON_SCLK_SPI0 (1<<20) +#define S3C_CLKCON_SCLK_DAC27 (1<<19) +#define S3C_CLKCON_SCLK_TV27 (1<<18) +#define S3C_CLKCON_SCLK_SCALER27 (1<<17) +#define S3C_CLKCON_SCLK_SCALER (1<<16) +#define S3C_CLKCON_SCLK_LCD27 (1<<15) +#define S3C_CLKCON_SCLK_LCD (1<<14) +#define S3C6400_CLKCON_SCLK_POST1_27 (1<<13) +#define S3C6410_CLKCON_FIMC (1<<13) +#define S3C_CLKCON_SCLK_POST0_27 (1<<12) +#define S3C6400_CLKCON_SCLK_POST1 (1<<11) +#define S3C6410_CLKCON_SCLK_AUDIO2 (1<<11) +#define S3C_CLKCON_SCLK_POST0 (1<<10) +#define S3C_CLKCON_SCLK_AUDIO1 (1<<9) +#define S3C_CLKCON_SCLK_AUDIO0 (1<<8) +#define S3C_CLKCON_SCLK_SECUR (1<<7) +#define S3C_CLKCON_SCLK_IRDA (1<<6) +#define S3C_CLKCON_SCLK_UART (1<<5) +#define S3C_CLKCON_SCLK_ONENAND (1<<4) +#define S3C_CLKCON_SCLK_MFC (1<<3) +#define S3C_CLKCON_SCLK_CAM (1<<2) +#define S3C_CLKCON_SCLK_JPEG (1<<1) + +/* CLKSRC */ + +#define S3C6400_CLKSRC_APLL_MOUT (1 << 0) +#define S3C6400_CLKSRC_MPLL_MOUT (1 << 1) +#define S3C6400_CLKSRC_EPLL_MOUT (1 << 2) +#define S3C6400_CLKSRC_APLL_MOUT_SHIFT (0) +#define S3C6400_CLKSRC_MPLL_MOUT_SHIFT (1) +#define S3C6400_CLKSRC_EPLL_MOUT_SHIFT (2) +#define S3C6400_CLKSRC_MFC (1 << 4) + +#define S3C6410_CLKSRC_TV27_MASK (0x1 << 31) +#define S3C6410_CLKSRC_TV27_SHIFT (31) +#define S3C6410_CLKSRC_DAC27_MASK (0x1 << 30) +#define S3C6410_CLKSRC_DAC27_SHIFT (30) +#define S3C6400_CLKSRC_SCALER_MASK (0x3 << 28) +#define S3C6400_CLKSRC_SCALER_SHIFT (28) +#define S3C6400_CLKSRC_LCD_MASK (0x3 << 26) +#define S3C6400_CLKSRC_LCD_SHIFT (26) +#define S3C6400_CLKSRC_IRDA_MASK (0x3 << 24) +#define S3C6400_CLKSRC_IRDA_SHIFT (24) +#define S3C6400_CLKSRC_MMC2_MASK (0x3 << 22) +#define S3C6400_CLKSRC_MMC2_SHIFT (22) +#define S3C6400_CLKSRC_MMC1_MASK (0x3 << 20) +#define S3C6400_CLKSRC_MMC1_SHIFT (20) +#define S3C6400_CLKSRC_MMC0_MASK (0x3 << 18) +#define S3C6400_CLKSRC_MMC0_SHIFT (18) +#define S3C6400_CLKSRC_SPI1_MASK (0x3 << 16) +#define S3C6400_CLKSRC_SPI1_SHIFT (16) +#define S3C6400_CLKSRC_SPI0_MASK (0x3 << 14) +#define S3C6400_CLKSRC_SPI0_SHIFT (14) +#define S3C6400_CLKSRC_UART_MASK (0x1 << 13) +#define S3C6400_CLKSRC_UART_SHIFT (13) +#define S3C6400_CLKSRC_AUDIO1_MASK (0x7 << 10) +#define S3C6400_CLKSRC_AUDIO1_SHIFT (10) +#define S3C6400_CLKSRC_AUDIO0_MASK (0x7 << 7) +#define S3C6400_CLKSRC_AUDIO0_SHIFT (7) +#define S3C6400_CLKSRC_UHOST_MASK (0x3 << 5) +#define S3C6400_CLKSRC_UHOST_SHIFT (5) + + +#endif /* _PLAT_REGS_CLOCK_H */ diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-gpio.h b/arch/arm/plat-s3c64xx/include/plat/regs-gpio.h new file mode 100644 index 000000000000..75b873d82808 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/regs-gpio.h @@ -0,0 +1,35 @@ +/* linux/arch/arm/plat-s3c64xx/include/mach/regs-gpio.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - GPIO register definitions + */ + +#ifndef __ASM_PLAT_S3C64XX_REGS_GPIO_H +#define __ASM_PLAT_S3C64XX_REGS_GPIO_H __FILE__ + +/* Base addresses for each of the banks */ + +#define S3C64XX_GPA_BASE (S3C64XX_VA_GPIO + 0x0000) +#define S3C64XX_GPB_BASE (S3C64XX_VA_GPIO + 0x0020) +#define S3C64XX_GPC_BASE (S3C64XX_VA_GPIO + 0x0040) +#define S3C64XX_GPD_BASE (S3C64XX_VA_GPIO + 0x0060) +#define S3C64XX_GPE_BASE (S3C64XX_VA_GPIO + 0x0080) +#define S3C64XX_GPF_BASE (S3C64XX_VA_GPIO + 0x00A0) +#define S3C64XX_GPG_BASE (S3C64XX_VA_GPIO + 0x00C0) +#define S3C64XX_GPH_BASE (S3C64XX_VA_GPIO + 0x00E0) +#define S3C64XX_GPI_BASE (S3C64XX_VA_GPIO + 0x0100) +#define S3C64XX_GPJ_BASE (S3C64XX_VA_GPIO + 0x0120) +#define S3C64XX_GPK_BASE (S3C64XX_VA_GPIO + 0x0800) +#define S3C64XX_GPL_BASE (S3C64XX_VA_GPIO + 0x0810) +#define S3C64XX_GPM_BASE (S3C64XX_VA_GPIO + 0x0820) +#define S3C64XX_GPN_BASE (S3C64XX_VA_GPIO + 0x0830) +#define S3C64XX_GPO_BASE (S3C64XX_VA_GPIO + 0x0140) +#define S3C64XX_GPP_BASE (S3C64XX_VA_GPIO + 0x0160) +#define S3C64XX_GPQ_BASE (S3C64XX_VA_GPIO + 0x0180) + +#endif /* __ASM_PLAT_S3C64XX_REGS_GPIO_H */ + diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-sys.h b/arch/arm/plat-s3c64xx/include/plat/regs-sys.h new file mode 100644 index 000000000000..d8ed82917096 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/regs-sys.h @@ -0,0 +1,24 @@ +/* arch/arm/plat-s3c64xx/include/plat/regs-sys.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C64XX system register definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __PLAT_REGS_SYS_H +#define __PLAT_REGS_SYS_H __FILE__ + +#define S3C_SYSREG(x) (S3C_VA_SYS + (x)) + +#define S3C64XX_OTHERS S3C_SYSREG(0x900) + +#define S3C64XX_OTHERS_USBMASK (1 << 16) + +#endif /* _PLAT_REGS_SYS_H */ diff --git a/arch/arm/plat-s3c64xx/include/plat/s3c6400.h b/arch/arm/plat-s3c64xx/include/plat/s3c6400.h new file mode 100644 index 000000000000..571eaa2e54f1 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/s3c6400.h @@ -0,0 +1,35 @@ +/* arch/arm/plat-s3c64xx/include/plat/s3c6400.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * Header file for s3c6400 cpu support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/* Common init code for S3C6400 related SoCs */ + +extern void s3c6400_common_init_uarts(struct s3c2410_uartcfg *cfg, int no); +extern void s3c6400_register_clocks(void); +extern void s3c6400_setup_clocks(void); + +#ifdef CONFIG_CPU_S3C6400 + +extern int s3c6400_init(void); +extern void s3c6400_map_io(void); +extern void s3c6400_init_clocks(int xtal); + +#define s3c6400_init_uarts s3c6400_common_init_uarts + +#else +#define s3c6400_init_clocks NULL +#define s3c6400_init_uarts NULL +#define s3c6400_map_io NULL +#define s3c6400_init NULL +#endif + diff --git a/arch/arm/plat-s3c64xx/include/plat/s3c6410.h b/arch/arm/plat-s3c64xx/include/plat/s3c6410.h new file mode 100644 index 000000000000..50dcdd6f6800 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/s3c6410.h @@ -0,0 +1,29 @@ +/* arch/arm/plat-s3c64xx/include/plat/s3c6410.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * Header file for s3c6410 cpu support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifdef CONFIG_CPU_S3C6410 + +extern int s3c6410_init(void); +extern void s3c6410_init_irq(void); +extern void s3c6410_map_io(void); +extern void s3c6410_init_clocks(int xtal); + +#define s3c6410_init_uarts s3c6400_common_init_uarts + +#else +#define s3c6410_init_clocks NULL +#define s3c6410_init_uarts NULL +#define s3c6410_map_io NULL +#define s3c6410_init NULL +#endif diff --git a/arch/arm/plat-s3c64xx/irq-eint.c b/arch/arm/plat-s3c64xx/irq-eint.c new file mode 100644 index 000000000000..1f7cc0067f5c --- /dev/null +++ b/arch/arm/plat-s3c64xx/irq-eint.c @@ -0,0 +1,202 @@ +/* arch/arm/plat-s3c64xx/irq-eint.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - Interrupt handling for IRQ_EINT(x) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/io.h> + +#include <asm/hardware/vic.h> + +#include <plat/regs-irqtype.h> + +#include <mach/map.h> +#include <plat/cpu.h> + +/* GPIO is 0x7F008xxx, */ +#define S3C64XX_GPIOREG(x) (S3C64XX_VA_GPIO + (x)) + +#define S3C64XX_EINT0CON0 S3C64XX_GPIOREG(0x900) +#define S3C64XX_EINT0CON1 S3C64XX_GPIOREG(0x904) +#define S3C64XX_EINT0FLTCON0 S3C64XX_GPIOREG(0x910) +#define S3C64XX_EINT0FLTCON1 S3C64XX_GPIOREG(0x914) +#define S3C64XX_EINT0FLTCON2 S3C64XX_GPIOREG(0x918) +#define S3C64XX_EINT0FLTCON3 S3C64XX_GPIOREG(0x91C) + +#define S3C64XX_EINT0MASK S3C64XX_GPIOREG(0x920) +#define S3C64XX_EINT0PEND S3C64XX_GPIOREG(0x924) + + +#define eint_offset(irq) ((irq) - IRQ_EINT(0)) +#define eint_irq_to_bit(irq) (1 << eint_offset(irq)) + +static inline void s3c_irq_eint_mask(unsigned int irq) +{ + u32 mask; + + mask = __raw_readl(S3C64XX_EINT0MASK); + mask |= eint_irq_to_bit(irq); + __raw_writel(mask, S3C64XX_EINT0MASK); +} + +static void s3c_irq_eint_unmask(unsigned int irq) +{ + u32 mask; + + mask = __raw_readl(S3C64XX_EINT0MASK); + mask |= eint_irq_to_bit(irq); + __raw_writel(mask, S3C64XX_EINT0MASK); +} + +static inline void s3c_irq_eint_ack(unsigned int irq) +{ + __raw_writel(eint_irq_to_bit(irq), S3C64XX_EINT0PEND); +} + +static void s3c_irq_eint_maskack(unsigned int irq) +{ + /* compiler should in-line these */ + s3c_irq_eint_mask(irq); + s3c_irq_eint_ack(irq); +} + +static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type) +{ + int offs = eint_offset(irq); + int shift; + u32 ctrl, mask; + u32 newvalue = 0; + void __iomem *reg; + + if (offs > 27) + return -EINVAL; + + if (offs <= 15) + reg = S3C64XX_EINT0CON0; + else + reg = S3C64XX_EINT0CON1; + + switch (type) { + case IRQ_TYPE_NONE: + printk(KERN_WARNING "No edge setting!\n"); + break; + + case IRQ_TYPE_EDGE_RISING: + newvalue = S3C2410_EXTINT_RISEEDGE; + break; + + case IRQ_TYPE_EDGE_FALLING: + newvalue = S3C2410_EXTINT_FALLEDGE; + break; + + case IRQ_TYPE_EDGE_BOTH: + newvalue = S3C2410_EXTINT_BOTHEDGE; + break; + + case IRQ_TYPE_LEVEL_LOW: + newvalue = S3C2410_EXTINT_LOWLEV; + break; + + case IRQ_TYPE_LEVEL_HIGH: + newvalue = S3C2410_EXTINT_HILEV; + break; + + default: + printk(KERN_ERR "No such irq type %d", type); + return -1; + } + + shift = (offs / 2) * 4; + mask = 0x7 << shift; + + ctrl = __raw_readl(reg); + ctrl &= ~mask; + ctrl |= newvalue << shift; + __raw_writel(ctrl, reg); + + return 0; +} + +static struct irq_chip s3c_irq_eint = { + .name = "s3c-eint", + .mask = s3c_irq_eint_mask, + .unmask = s3c_irq_eint_unmask, + .mask_ack = s3c_irq_eint_maskack, + .ack = s3c_irq_eint_ack, + .set_type = s3c_irq_eint_set_type, +}; + +/* s3c_irq_demux_eint + * + * This function demuxes the IRQ from the group0 external interrupts, + * from IRQ_EINT(0) to IRQ_EINT(27). It is designed to be inlined into + * the specific handlers s3c_irq_demux_eintX_Y. + */ +static inline void s3c_irq_demux_eint(unsigned int start, unsigned int end) +{ + u32 status = __raw_readl(S3C64XX_EINT0PEND); + u32 mask = __raw_readl(S3C64XX_EINT0MASK); + unsigned int irq; + + status &= ~mask; + status >>= start; + status &= (1 << (end - start + 1)) - 1; + + for (irq = IRQ_EINT(start); irq <= IRQ_EINT(end); irq++) { + if (status & 1) + generic_handle_irq(irq); + + status >>= 1; + } +} + +static void s3c_irq_demux_eint0_3(unsigned int irq, struct irq_desc *desc) +{ + s3c_irq_demux_eint(0, 3); +} + +static void s3c_irq_demux_eint4_11(unsigned int irq, struct irq_desc *desc) +{ + s3c_irq_demux_eint(4, 11); +} + +static void s3c_irq_demux_eint12_19(unsigned int irq, struct irq_desc *desc) +{ + s3c_irq_demux_eint(12, 19); +} + +static void s3c_irq_demux_eint20_27(unsigned int irq, struct irq_desc *desc) +{ + s3c_irq_demux_eint(20, 27); +} + +int __init s3c64xx_init_irq_eint(void) +{ + int irq; + + for (irq = IRQ_EINT(0); irq <= IRQ_EINT(27); irq++) { + set_irq_chip(irq, &s3c_irq_eint); + set_irq_handler(irq, handle_level_irq); + set_irq_flags(irq, IRQF_VALID); + } + + set_irq_chained_handler(IRQ_EINT0_3, s3c_irq_demux_eint0_3); + set_irq_chained_handler(IRQ_EINT4_11, s3c_irq_demux_eint4_11); + set_irq_chained_handler(IRQ_EINT12_19, s3c_irq_demux_eint12_19); + set_irq_chained_handler(IRQ_EINT20_27, s3c_irq_demux_eint20_27); + + return 0; +} + +arch_initcall(s3c64xx_init_irq_eint); diff --git a/arch/arm/plat-s3c64xx/irq.c b/arch/arm/plat-s3c64xx/irq.c new file mode 100644 index 000000000000..a94f1d5e819d --- /dev/null +++ b/arch/arm/plat-s3c64xx/irq.c @@ -0,0 +1,257 @@ +/* arch/arm/plat-s3c64xx/irq.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - Interrupt handling + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/io.h> + +#include <asm/hardware/vic.h> + +#include <mach/map.h> +#include <plat/regs-timer.h> +#include <plat/cpu.h> + +/* Timer interrupt handling */ + +static void s3c_irq_demux_timer(unsigned int base_irq, unsigned int sub_irq) +{ + generic_handle_irq(sub_irq); +} + +static void s3c_irq_demux_timer0(unsigned int irq, struct irq_desc *desc) +{ + s3c_irq_demux_timer(irq, IRQ_TIMER0); +} + +static void s3c_irq_demux_timer1(unsigned int irq, struct irq_desc *desc) +{ + s3c_irq_demux_timer(irq, IRQ_TIMER1); +} + +static void s3c_irq_demux_timer2(unsigned int irq, struct irq_desc *desc) +{ + s3c_irq_demux_timer(irq, IRQ_TIMER2); +} + +static void s3c_irq_demux_timer3(unsigned int irq, struct irq_desc *desc) +{ + s3c_irq_demux_timer(irq, IRQ_TIMER3); +} + +static void s3c_irq_demux_timer4(unsigned int irq, struct irq_desc *desc) +{ + s3c_irq_demux_timer(irq, IRQ_TIMER4); +} + +/* We assume the IRQ_TIMER0..IRQ_TIMER4 range is continuous. */ + +static void s3c_irq_timer_mask(unsigned int irq) +{ + u32 reg = __raw_readl(S3C64XX_TINT_CSTAT); + + reg &= 0x1f; /* mask out pending interrupts */ + reg &= ~(1 << (irq - IRQ_TIMER0)); + __raw_writel(reg, S3C64XX_TINT_CSTAT); +} + +static void s3c_irq_timer_unmask(unsigned int irq) +{ + u32 reg = __raw_readl(S3C64XX_TINT_CSTAT); + + reg &= 0x1f; /* mask out pending interrupts */ + reg |= 1 << (irq - IRQ_TIMER0); + __raw_writel(reg, S3C64XX_TINT_CSTAT); +} + +static void s3c_irq_timer_ack(unsigned int irq) +{ + u32 reg = __raw_readl(S3C64XX_TINT_CSTAT); + + reg &= 0x1f; + reg |= (1 << 5) << (irq - IRQ_TIMER0); + __raw_writel(reg, S3C64XX_TINT_CSTAT); +} + +static struct irq_chip s3c_irq_timer = { + .name = "s3c-timer", + .mask = s3c_irq_timer_mask, + .unmask = s3c_irq_timer_unmask, + .ack = s3c_irq_timer_ack, +}; + +struct uart_irq { + void __iomem *regs; + unsigned int base_irq; + unsigned int parent_irq; +}; + +/* Note, we make use of the fact that the parent IRQs, IRQ_UART[0..3] + * are consecutive when looking up the interrupt in the demux routines. + */ +static struct uart_irq uart_irqs[] = { + [0] = { + .regs = S3C_VA_UART0, + .base_irq = IRQ_S3CUART_BASE0, + .parent_irq = IRQ_UART0, + }, + [1] = { + .regs = S3C_VA_UART1, + .base_irq = IRQ_S3CUART_BASE1, + .parent_irq = IRQ_UART1, + }, + [2] = { + .regs = S3C_VA_UART2, + .base_irq = IRQ_S3CUART_BASE2, + .parent_irq = IRQ_UART2, + }, + [3] = { + .regs = S3C_VA_UART3, + .base_irq = IRQ_S3CUART_BASE3, + .parent_irq = IRQ_UART3, + }, +}; + +static inline void __iomem *s3c_irq_uart_base(unsigned int irq) +{ + struct uart_irq *uirq = get_irq_chip_data(irq); + return uirq->regs; +} + +static inline unsigned int s3c_irq_uart_bit(unsigned int irq) +{ + return irq & 3; +} + +/* UART interrupt registers, not worth adding to seperate include header */ +#define S3C64XX_UINTP 0x30 +#define S3C64XX_UINTSP 0x34 +#define S3C64XX_UINTM 0x38 + +static void s3c_irq_uart_mask(unsigned int irq) +{ + void __iomem *regs = s3c_irq_uart_base(irq); + unsigned int bit = s3c_irq_uart_bit(irq); + u32 reg; + + reg = __raw_readl(regs + S3C64XX_UINTM); + reg |= (1 << bit); + __raw_writel(reg, regs + S3C64XX_UINTM); +} + +static void s3c_irq_uart_maskack(unsigned int irq) +{ + void __iomem *regs = s3c_irq_uart_base(irq); + unsigned int bit = s3c_irq_uart_bit(irq); + u32 reg; + + reg = __raw_readl(regs + S3C64XX_UINTM); + reg |= (1 << bit); + __raw_writel(reg, regs + S3C64XX_UINTM); + __raw_writel(1 << bit, regs + S3C64XX_UINTP); +} + +static void s3c_irq_uart_unmask(unsigned int irq) +{ + void __iomem *regs = s3c_irq_uart_base(irq); + unsigned int bit = s3c_irq_uart_bit(irq); + u32 reg; + + reg = __raw_readl(regs + S3C64XX_UINTM); + reg &= ~(1 << bit); + __raw_writel(reg, regs + S3C64XX_UINTM); +} + +static void s3c_irq_uart_ack(unsigned int irq) +{ + void __iomem *regs = s3c_irq_uart_base(irq); + unsigned int bit = s3c_irq_uart_bit(irq); + + __raw_writel(1 << bit, regs + S3C64XX_UINTP); +} + +static void s3c_irq_demux_uart(unsigned int irq, struct irq_desc *desc) +{ + struct uart_irq *uirq = &uart_irqs[irq - IRQ_UART0]; + u32 pend = __raw_readl(uirq->regs + S3C64XX_UINTP); + int base = uirq->base_irq; + + if (pend & (1 << 0)) + generic_handle_irq(base); + if (pend & (1 << 1)) + generic_handle_irq(base + 1); + if (pend & (1 << 2)) + generic_handle_irq(base + 2); + if (pend & (1 << 3)) + generic_handle_irq(base + 3); +} + +static struct irq_chip s3c_irq_uart = { + .name = "s3c-uart", + .mask = s3c_irq_uart_mask, + .unmask = s3c_irq_uart_unmask, + .mask_ack = s3c_irq_uart_maskack, + .ack = s3c_irq_uart_ack, +}; + +static void __init s3c64xx_uart_irq(struct uart_irq *uirq) +{ + void *reg_base = uirq->regs; + unsigned int irq; + int offs; + + /* mask all interrupts at the start. */ + __raw_writel(0xf, reg_base + S3C64XX_UINTM); + + for (offs = 0; offs < 3; offs++) { + irq = uirq->base_irq + offs; + + set_irq_chip(irq, &s3c_irq_uart); + set_irq_chip_data(irq, uirq); + set_irq_handler(irq, handle_level_irq); + set_irq_flags(irq, IRQF_VALID); + } + + set_irq_chained_handler(uirq->parent_irq, s3c_irq_demux_uart); +} + +void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid) +{ + int uart, irq; + + printk(KERN_DEBUG "%s: initialising interrupts\n", __func__); + + /* initialise the pair of VICs */ + vic_init(S3C_VA_VIC0, S3C_VIC0_BASE, vic0_valid); + vic_init(S3C_VA_VIC1, S3C_VIC1_BASE, vic1_valid); + + /* add the timer sub-irqs */ + + set_irq_chained_handler(IRQ_TIMER0_VIC, s3c_irq_demux_timer0); + set_irq_chained_handler(IRQ_TIMER1_VIC, s3c_irq_demux_timer1); + set_irq_chained_handler(IRQ_TIMER2_VIC, s3c_irq_demux_timer2); + set_irq_chained_handler(IRQ_TIMER3_VIC, s3c_irq_demux_timer3); + set_irq_chained_handler(IRQ_TIMER4_VIC, s3c_irq_demux_timer4); + + for (irq = IRQ_TIMER0; irq <= IRQ_TIMER4; irq++) { + set_irq_chip(irq, &s3c_irq_timer); + set_irq_handler(irq, handle_level_irq); + set_irq_flags(irq, IRQF_VALID); + } + + for (uart = 0; uart < ARRAY_SIZE(uart_irqs); uart++) + s3c64xx_uart_irq(&uart_irqs[uart]); +} + + diff --git a/arch/arm/plat-s3c64xx/s3c6400-clock.c b/arch/arm/plat-s3c64xx/s3c6400-clock.c new file mode 100644 index 000000000000..8d9a0cada668 --- /dev/null +++ b/arch/arm/plat-s3c64xx/s3c6400-clock.c @@ -0,0 +1,655 @@ +/* linux/arch/arm/plat-s3c64xx/s3c6400-clock.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C6400 based common clock support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/errno.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/sysdev.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <mach/map.h> + +#include <plat/cpu-freq.h> + +#include <plat/regs-clock.h> +#include <plat/clock.h> +#include <plat/cpu.h> +#include <plat/pll.h> + +/* fin_apll, fin_mpll and fin_epll are all the same clock, which we call + * ext_xtal_mux for want of an actual name from the manual. +*/ + +struct clk clk_ext_xtal_mux = { + .name = "ext_xtal", + .id = -1, +}; + +#define clk_fin_apll clk_ext_xtal_mux +#define clk_fin_mpll clk_ext_xtal_mux +#define clk_fin_epll clk_ext_xtal_mux + +#define clk_fout_mpll clk_mpll + +struct clk_sources { + unsigned int nr_sources; + struct clk **sources; +}; + +struct clksrc_clk { + struct clk clk; + unsigned int mask; + unsigned int shift; + + struct clk_sources *sources; + + unsigned int divider_shift; + void __iomem *reg_divider; +}; + +struct clk clk_fout_apll = { + .name = "fout_apll", + .id = -1, +}; + +static struct clk *clk_src_apll_list[] = { + [0] = &clk_fin_apll, + [1] = &clk_fout_apll, +}; + +static struct clk_sources clk_src_apll = { + .sources = clk_src_apll_list, + .nr_sources = ARRAY_SIZE(clk_src_apll_list), +}; + +struct clksrc_clk clk_mout_apll = { + .clk = { + .name = "mout_apll", + .id = -1, + }, + .shift = S3C6400_CLKSRC_APLL_MOUT_SHIFT, + .mask = S3C6400_CLKSRC_APLL_MOUT, + .sources = &clk_src_apll, +}; + +struct clk clk_fout_epll = { + .name = "fout_epll", + .id = -1, +}; + +static struct clk *clk_src_epll_list[] = { + [0] = &clk_fin_epll, + [1] = &clk_fout_epll, +}; + +static struct clk_sources clk_src_epll = { + .sources = clk_src_epll_list, + .nr_sources = ARRAY_SIZE(clk_src_epll_list), +}; + +struct clksrc_clk clk_mout_epll = { + .clk = { + .name = "mout_epll", + .id = -1, + }, + .shift = S3C6400_CLKSRC_EPLL_MOUT_SHIFT, + .mask = S3C6400_CLKSRC_EPLL_MOUT, + .sources = &clk_src_epll, +}; + +static struct clk *clk_src_mpll_list[] = { + [0] = &clk_fin_mpll, + [1] = &clk_fout_mpll, +}; + +static struct clk_sources clk_src_mpll = { + .sources = clk_src_mpll_list, + .nr_sources = ARRAY_SIZE(clk_src_mpll_list), +}; + +struct clksrc_clk clk_mout_mpll = { + .clk = { + .name = "mout_mpll", + .id = -1, + }, + .shift = S3C6400_CLKSRC_MPLL_MOUT_SHIFT, + .mask = S3C6400_CLKSRC_MPLL_MOUT, + .sources = &clk_src_mpll, +}; + +static unsigned long s3c64xx_clk_doutmpll_get_rate(struct clk *clk) +{ + unsigned long rate = clk_get_rate(clk->parent); + + printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate); + + if (__raw_readl(S3C_CLK_DIV0) & S3C6400_CLKDIV0_MPLL_MASK) + rate /= 2; + + return rate; +} + +struct clk clk_dout_mpll = { + .name = "dout_mpll", + .id = -1, + .parent = &clk_mout_mpll.clk, + .get_rate = s3c64xx_clk_doutmpll_get_rate, +}; + +static struct clk *clkset_spi_mmc_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll, + &clk_fin_epll, + &clk_27m, +}; + +static struct clk_sources clkset_spi_mmc = { + .sources = clkset_spi_mmc_list, + .nr_sources = ARRAY_SIZE(clkset_spi_mmc_list), +}; + +static struct clk *clkset_irda_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll, + NULL, + &clk_27m, +}; + +static struct clk_sources clkset_irda = { + .sources = clkset_irda_list, + .nr_sources = ARRAY_SIZE(clkset_irda_list), +}; + +static struct clk *clkset_uart_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll, + NULL, + NULL +}; + +static struct clk_sources clkset_uart = { + .sources = clkset_uart_list, + .nr_sources = ARRAY_SIZE(clkset_uart_list), +}; + +static struct clk *clkset_uhost_list[] = { + &clk_mout_epll.clk, + &clk_dout_mpll, + &clk_fin_epll, + &clk_48m, +}; + +static struct clk_sources clkset_uhost = { + .sources = clkset_uhost_list, + .nr_sources = ARRAY_SIZE(clkset_uhost_list), +}; + + +/* The peripheral clocks are all controlled via clocksource followed + * by an optional divider and gate stage. We currently roll this into + * one clock which hides the intermediate clock from the mux. + * + * Note, the JPEG clock can only be an even divider... + * + * The scaler and LCD clocks depend on the S3C64XX version, and also + * have a common parent divisor so are not included here. + */ + +static inline struct clksrc_clk *to_clksrc(struct clk *clk) +{ + return container_of(clk, struct clksrc_clk, clk); +} + +static unsigned long s3c64xx_getrate_clksrc(struct clk *clk) +{ + struct clksrc_clk *sclk = to_clksrc(clk); + unsigned long rate = clk_get_rate(clk->parent); + u32 clkdiv = __raw_readl(sclk->reg_divider); + + clkdiv >>= sclk->divider_shift; + clkdiv &= 0xf; + clkdiv++; + + rate /= clkdiv; + return rate; +} + +static int s3c64xx_setrate_clksrc(struct clk *clk, unsigned long rate) +{ + struct clksrc_clk *sclk = to_clksrc(clk); + void __iomem *reg = sclk->reg_divider; + unsigned int div; + u32 val; + + rate = clk_round_rate(clk, rate); + div = clk_get_rate(clk->parent) / rate; + + val = __raw_readl(reg); + val &= ~sclk->mask; + val |= (rate - 1) << sclk->shift; + __raw_writel(val, reg); + + return 0; +} + +static int s3c64xx_setparent_clksrc(struct clk *clk, struct clk *parent) +{ + struct clksrc_clk *sclk = to_clksrc(clk); + struct clk_sources *srcs = sclk->sources; + u32 clksrc = __raw_readl(S3C_CLK_SRC); + int src_nr = -1; + int ptr; + + for (ptr = 0; ptr < srcs->nr_sources; ptr++) + if (srcs->sources[ptr] == parent) { + src_nr = ptr; + break; + } + + if (src_nr >= 0) { + clksrc &= ~sclk->mask; + clksrc |= src_nr << sclk->shift; + + __raw_writel(clksrc, S3C_CLK_SRC); + return 0; + } + + return -EINVAL; +} + +static unsigned long s3c64xx_roundrate_clksrc(struct clk *clk, + unsigned long rate) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + int div; + + if (rate > parent_rate) + rate = parent_rate; + else { + div = rate / parent_rate; + + if (div == 0) + div = 1; + if (div > 16) + div = 16; + + rate = parent_rate / div; + } + + return rate; +} + +static struct clksrc_clk clk_mmc0 = { + .clk = { + .name = "mmc_bus", + .id = 0, + .ctrlbit = S3C_CLKCON_SCLK_MMC0, + .enable = s3c64xx_sclk_ctrl, + .set_parent = s3c64xx_setparent_clksrc, + .get_rate = s3c64xx_getrate_clksrc, + .set_rate = s3c64xx_setrate_clksrc, + .round_rate = s3c64xx_roundrate_clksrc, + }, + .shift = S3C6400_CLKSRC_MMC0_SHIFT, + .mask = S3C6400_CLKSRC_MMC0_MASK, + .sources = &clkset_spi_mmc, + .divider_shift = S3C6400_CLKDIV1_MMC0_SHIFT, + .reg_divider = S3C_CLK_DIV1, +}; + +static struct clksrc_clk clk_mmc1 = { + .clk = { + .name = "mmc_bus", + .id = 1, + .ctrlbit = S3C_CLKCON_SCLK_MMC1, + .enable = s3c64xx_sclk_ctrl, + .get_rate = s3c64xx_getrate_clksrc, + .set_rate = s3c64xx_setrate_clksrc, + .set_parent = s3c64xx_setparent_clksrc, + .round_rate = s3c64xx_roundrate_clksrc, + }, + .shift = S3C6400_CLKSRC_MMC1_SHIFT, + .mask = S3C6400_CLKSRC_MMC1_MASK, + .sources = &clkset_spi_mmc, + .divider_shift = S3C6400_CLKDIV1_MMC1_SHIFT, + .reg_divider = S3C_CLK_DIV1, +}; + +static struct clksrc_clk clk_mmc2 = { + .clk = { + .name = "mmc_bus", + .id = 2, + .ctrlbit = S3C_CLKCON_SCLK_MMC2, + .enable = s3c64xx_sclk_ctrl, + .get_rate = s3c64xx_getrate_clksrc, + .set_rate = s3c64xx_setrate_clksrc, + .set_parent = s3c64xx_setparent_clksrc, + .round_rate = s3c64xx_roundrate_clksrc, + }, + .shift = S3C6400_CLKSRC_MMC2_SHIFT, + .mask = S3C6400_CLKSRC_MMC2_MASK, + .sources = &clkset_spi_mmc, + .divider_shift = S3C6400_CLKDIV1_MMC2_SHIFT, + .reg_divider = S3C_CLK_DIV1, +}; + +static struct clksrc_clk clk_usbhost = { + .clk = { + .name = "usb-host-bus", + .id = -1, + .ctrlbit = S3C_CLKCON_SCLK_UHOST, + .enable = s3c64xx_sclk_ctrl, + .set_parent = s3c64xx_setparent_clksrc, + .get_rate = s3c64xx_getrate_clksrc, + .set_rate = s3c64xx_setrate_clksrc, + .round_rate = s3c64xx_roundrate_clksrc, + }, + .shift = S3C6400_CLKSRC_UHOST_SHIFT, + .mask = S3C6400_CLKSRC_UHOST_MASK, + .sources = &clkset_uhost, + .divider_shift = S3C6400_CLKDIV1_UHOST_SHIFT, + .reg_divider = S3C_CLK_DIV1, +}; + +static struct clksrc_clk clk_uart_uclk1 = { + .clk = { + .name = "uclk1", + .id = -1, + .ctrlbit = S3C_CLKCON_SCLK_UART, + .enable = s3c64xx_sclk_ctrl, + .set_parent = s3c64xx_setparent_clksrc, + .get_rate = s3c64xx_getrate_clksrc, + .set_rate = s3c64xx_setrate_clksrc, + .round_rate = s3c64xx_roundrate_clksrc, + }, + .shift = S3C6400_CLKSRC_UART_SHIFT, + .mask = S3C6400_CLKSRC_UART_MASK, + .sources = &clkset_uart, + .divider_shift = S3C6400_CLKDIV2_UART_SHIFT, + .reg_divider = S3C_CLK_DIV2, +}; + +/* Where does UCLK0 come from? */ + +static struct clksrc_clk clk_spi0 = { + .clk = { + .name = "spi-bus", + .id = 0, + .ctrlbit = S3C_CLKCON_SCLK_SPI0, + .enable = s3c64xx_sclk_ctrl, + .set_parent = s3c64xx_setparent_clksrc, + .get_rate = s3c64xx_getrate_clksrc, + .set_rate = s3c64xx_setrate_clksrc, + .round_rate = s3c64xx_roundrate_clksrc, + }, + .shift = S3C6400_CLKSRC_SPI0_SHIFT, + .mask = S3C6400_CLKSRC_SPI0_MASK, + .sources = &clkset_spi_mmc, + .divider_shift = S3C6400_CLKDIV2_SPI0_SHIFT, + .reg_divider = S3C_CLK_DIV2, +}; + +static struct clksrc_clk clk_spi1 = { + .clk = { + .name = "spi-bus", + .id = 1, + .ctrlbit = S3C_CLKCON_SCLK_SPI1, + .enable = s3c64xx_sclk_ctrl, + .set_parent = s3c64xx_setparent_clksrc, + .get_rate = s3c64xx_getrate_clksrc, + .set_rate = s3c64xx_setrate_clksrc, + .round_rate = s3c64xx_roundrate_clksrc, + }, + .shift = S3C6400_CLKSRC_SPI1_SHIFT, + .mask = S3C6400_CLKSRC_SPI1_MASK, + .sources = &clkset_spi_mmc, + .divider_shift = S3C6400_CLKDIV2_SPI1_SHIFT, + .reg_divider = S3C_CLK_DIV2, +}; + +static struct clk clk_iis_cd0 = { + .name = "iis_cdclk0", + .id = -1, +}; + +static struct clk clk_iis_cd1 = { + .name = "iis_cdclk1", + .id = -1, +}; + +static struct clk clk_pcm_cd = { + .name = "pcm_cdclk", + .id = -1, +}; + +static struct clk *clkset_audio0_list[] = { + [0] = &clk_mout_epll.clk, + [1] = &clk_dout_mpll, + [2] = &clk_fin_epll, + [3] = &clk_iis_cd0, + [4] = &clk_pcm_cd, +}; + +static struct clk_sources clkset_audio0 = { + .sources = clkset_audio0_list, + .nr_sources = ARRAY_SIZE(clkset_audio0_list), +}; + +static struct clksrc_clk clk_audio0 = { + .clk = { + .name = "audio-bus", + .id = 0, + .ctrlbit = S3C_CLKCON_SCLK_AUDIO0, + .enable = s3c64xx_sclk_ctrl, + .set_parent = s3c64xx_setparent_clksrc, + .get_rate = s3c64xx_getrate_clksrc, + .set_rate = s3c64xx_setrate_clksrc, + .round_rate = s3c64xx_roundrate_clksrc, + }, + .shift = S3C6400_CLKSRC_AUDIO0_SHIFT, + .mask = S3C6400_CLKSRC_AUDIO0_MASK, + .sources = &clkset_audio0, + .divider_shift = S3C6400_CLKDIV2_AUDIO0_SHIFT, + .reg_divider = S3C_CLK_DIV2, +}; + +static struct clk *clkset_audio1_list[] = { + [0] = &clk_mout_epll.clk, + [1] = &clk_dout_mpll, + [2] = &clk_fin_epll, + [3] = &clk_iis_cd1, + [4] = &clk_pcm_cd, +}; + +static struct clk_sources clkset_audio1 = { + .sources = clkset_audio1_list, + .nr_sources = ARRAY_SIZE(clkset_audio1_list), +}; + +static struct clksrc_clk clk_audio1 = { + .clk = { + .name = "audio-bus", + .id = 1, + .ctrlbit = S3C_CLKCON_SCLK_AUDIO1, + .enable = s3c64xx_sclk_ctrl, + .set_parent = s3c64xx_setparent_clksrc, + .get_rate = s3c64xx_getrate_clksrc, + .set_rate = s3c64xx_setrate_clksrc, + .round_rate = s3c64xx_roundrate_clksrc, + }, + .shift = S3C6400_CLKSRC_AUDIO1_SHIFT, + .mask = S3C6400_CLKSRC_AUDIO1_MASK, + .sources = &clkset_audio1, + .divider_shift = S3C6400_CLKDIV2_AUDIO1_SHIFT, + .reg_divider = S3C_CLK_DIV2, +}; + +static struct clksrc_clk clk_irda = { + .clk = { + .name = "irda-bus", + .id = 0, + .ctrlbit = S3C_CLKCON_SCLK_IRDA, + .enable = s3c64xx_sclk_ctrl, + .set_parent = s3c64xx_setparent_clksrc, + .get_rate = s3c64xx_getrate_clksrc, + .set_rate = s3c64xx_setrate_clksrc, + .round_rate = s3c64xx_roundrate_clksrc, + }, + .shift = S3C6400_CLKSRC_IRDA_SHIFT, + .mask = S3C6400_CLKSRC_IRDA_MASK, + .sources = &clkset_irda, + .divider_shift = S3C6400_CLKDIV2_IRDA_SHIFT, + .reg_divider = S3C_CLK_DIV2, +}; + +/* Clock initialisation code */ + +static struct clksrc_clk *init_parents[] = { + &clk_mout_apll, + &clk_mout_epll, + &clk_mout_mpll, + &clk_mmc0, + &clk_mmc1, + &clk_mmc2, + &clk_usbhost, + &clk_uart_uclk1, + &clk_spi0, + &clk_spi1, + &clk_audio0, + &clk_audio1, + &clk_irda, +}; + +static void __init_or_cpufreq s3c6400_set_clksrc(struct clksrc_clk *clk) +{ + struct clk_sources *srcs = clk->sources; + u32 clksrc = __raw_readl(S3C_CLK_SRC); + + clksrc &= clk->mask; + clksrc >>= clk->shift; + + if (clksrc > srcs->nr_sources || !srcs->sources[clksrc]) { + printk(KERN_ERR "%s: bad source %d\n", + clk->clk.name, clksrc); + return; + } + + clk->clk.parent = srcs->sources[clksrc]; + + printk(KERN_INFO "%s: source is %s (%d), rate is %ld\n", + clk->clk.name, clk->clk.parent->name, clksrc, + clk_get_rate(&clk->clk)); +} + +#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1) + +void __init_or_cpufreq s3c6400_setup_clocks(void) +{ + struct clk *xtal_clk; + unsigned long xtal; + unsigned long fclk; + unsigned long hclk; + unsigned long hclk2; + unsigned long pclk; + unsigned long epll; + unsigned long apll; + unsigned long mpll; + unsigned int ptr; + u32 clkdiv0; + + printk(KERN_DEBUG "%s: registering clocks\n", __func__); + + clkdiv0 = __raw_readl(S3C_CLK_DIV0); + printk(KERN_DEBUG "%s: clkdiv0 = %08x\n", __func__, clkdiv0); + + xtal_clk = clk_get(NULL, "xtal"); + BUG_ON(IS_ERR(xtal_clk)); + + xtal = clk_get_rate(xtal_clk); + clk_put(xtal_clk); + + printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal); + + epll = s3c6400_get_epll(xtal); + mpll = s3c6400_get_pll(xtal, __raw_readl(S3C_MPLL_CON)); + apll = s3c6400_get_pll(xtal, __raw_readl(S3C_APLL_CON)); + + fclk = mpll; + + printk(KERN_INFO "S3C64XX: PLL settings, A=%ld, M=%ld, E=%ld\n", + apll, mpll, epll); + + hclk2 = mpll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2); + hclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK); + pclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_PCLK); + + printk(KERN_INFO "S3C64XX: HCLK2=%ld, HCLK=%ld, PCLK=%ld\n", + hclk2, hclk, pclk); + + clk_fout_mpll.rate = mpll; + clk_fout_epll.rate = epll; + clk_fout_apll.rate = apll; + + clk_h.rate = hclk; + clk_p.rate = pclk; + clk_f.rate = fclk; + + for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++) + s3c6400_set_clksrc(init_parents[ptr]); +} + +static struct clk *clks[] __initdata = { + &clk_ext_xtal_mux, + &clk_iis_cd0, + &clk_iis_cd1, + &clk_pcm_cd, + &clk_mout_epll.clk, + &clk_fout_epll, + &clk_mout_mpll.clk, + &clk_dout_mpll, + &clk_mmc0.clk, + &clk_mmc1.clk, + &clk_mmc2.clk, + &clk_usbhost.clk, + &clk_uart_uclk1.clk, + &clk_spi0.clk, + &clk_spi1.clk, + &clk_audio0.clk, + &clk_audio1.clk, + &clk_irda.clk, +}; + +void __init s3c6400_register_clocks(void) +{ + struct clk *clkp; + int ret; + int ptr; + + for (ptr = 0; ptr < ARRAY_SIZE(clks); ptr++) { + clkp = clks[ptr]; + ret = s3c24xx_register_clock(clkp); + if (ret < 0) { + printk(KERN_ERR "Failed to register clock %s (%d)\n", + clkp->name, ret); + } + } + + clk_mpll.parent = &clk_mout_mpll.clk; + clk_epll.parent = &clk_mout_epll.clk; +} diff --git a/arch/arm/plat-s3c64xx/s3c6400-init.c b/arch/arm/plat-s3c64xx/s3c6400-init.c new file mode 100644 index 000000000000..6c28f39df097 --- /dev/null +++ b/arch/arm/plat-s3c64xx/s3c6400-init.c @@ -0,0 +1,29 @@ +/* linux/arch/arm/plat-s3c64xx/s3c6400-init.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C6400 - CPU initialisation (common with other S3C64XX chips) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/init.h> + +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/s3c6400.h> +#include <plat/s3c6410.h> + +/* uart registration process */ + +void __init s3c6400_common_init_uarts(struct s3c2410_uartcfg *cfg, int no) +{ + s3c24xx_init_uartdevs("s3c6400-uart", s3c64xx_uart_resources, cfg, no); +} diff --git a/arch/arm/plat-s3c64xx/setup-fb-24bpp.c b/arch/arm/plat-s3c64xx/setup-fb-24bpp.c new file mode 100644 index 000000000000..8e28e448dd20 --- /dev/null +++ b/arch/arm/plat-s3c64xx/setup-fb-24bpp.c @@ -0,0 +1,37 @@ +/* linux/arch/arm/plat-s3c64xx/setup-fb-24bpp.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * Base S3C64XX setup information for 24bpp LCD framebuffer + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/fb.h> + +#include <mach/regs-fb.h> +#include <mach/gpio.h> +#include <plat/fb.h> +#include <plat/gpio-cfg.h> + +extern void s3c64xx_fb_gpio_setup_24bpp(void) +{ + unsigned int gpio; + + for (gpio = S3C64XX_GPI(0); gpio <= S3C64XX_GPI(15); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + + for (gpio = S3C64XX_GPJ(0); gpio <= S3C64XX_GPJ(11); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } +} diff --git a/arch/arm/plat-s3c64xx/setup-i2c0.c b/arch/arm/plat-s3c64xx/setup-i2c0.c new file mode 100644 index 000000000000..364480763728 --- /dev/null +++ b/arch/arm/plat-s3c64xx/setup-i2c0.c @@ -0,0 +1,31 @@ +/* linux/arch/arm/plat-s3c64xx/setup-i2c0.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * Base S3C64XX I2C bus 0 gpio configuration + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> + +struct platform_device; /* don't need the contents */ + +#include <mach/gpio.h> +#include <plat/iic.h> +#include <plat/gpio-bank-b.h> +#include <plat/gpio-cfg.h> + +void s3c_i2c0_cfg_gpio(struct platform_device *dev) +{ + s3c_gpio_cfgpin(S3C64XX_GPB(5), S3C64XX_GPB5_I2C_SCL0); + s3c_gpio_cfgpin(S3C64XX_GPB(6), S3C64XX_GPB6_I2C_SDA0); + s3c_gpio_setpull(S3C64XX_GPB(5), S3C_GPIO_PULL_UP); + s3c_gpio_setpull(S3C64XX_GPB(6), S3C_GPIO_PULL_UP); +} diff --git a/arch/arm/plat-s3c64xx/setup-i2c1.c b/arch/arm/plat-s3c64xx/setup-i2c1.c new file mode 100644 index 000000000000..bbe229bd90ca --- /dev/null +++ b/arch/arm/plat-s3c64xx/setup-i2c1.c @@ -0,0 +1,31 @@ +/* linux/arch/arm/plat-s3c64xx/setup-i2c1.c + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * Base S3C64XX I2C bus 1 gpio configuration + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> + +struct platform_device; /* don't need the contents */ + +#include <mach/gpio.h> +#include <plat/iic.h> +#include <plat/gpio-bank-b.h> +#include <plat/gpio-cfg.h> + +void s3c_i2c1_cfg_gpio(struct platform_device *dev) +{ + s3c_gpio_cfgpin(S3C64XX_GPB(2), S3C64XX_GPB2_I2C_SCL1); + s3c_gpio_cfgpin(S3C64XX_GPB(3), S3C64XX_GPB3_I2C_SDA1); + s3c_gpio_setpull(S3C64XX_GPB(2), S3C_GPIO_PULL_UP); + s3c_gpio_setpull(S3C64XX_GPB(3), S3C_GPIO_PULL_UP); +} |
