diff options
Diffstat (limited to 'arch/arm/plat-s3c24xx/include')
| -rw-r--r-- | arch/arm/plat-s3c24xx/include/mach/pwm-clock.h | 55 | ||||
| -rw-r--r-- | arch/arm/plat-s3c24xx/include/plat/map.h | 100 |
2 files changed, 155 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c24xx/include/mach/pwm-clock.h b/arch/arm/plat-s3c24xx/include/mach/pwm-clock.h new file mode 100644 index 00000000000..a087de21bc2 --- /dev/null +++ b/arch/arm/plat-s3c24xx/include/mach/pwm-clock.h @@ -0,0 +1,55 @@ +/* linux/arch/arm/plat-s3c24xx/include/mach/pwm-clock.h + * + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C24xx - pwm clock and timer support + */ + +/** + * pwm_cfg_src_is_tclk() - return whether the given mux config is a tclk + * @cfg: The timer TCFG1 register bits shifted down to 0. + * + * Return true if the given configuration from TCFG1 is a TCLK instead + * any of the TDIV clocks. + */ +static inline int pwm_cfg_src_is_tclk(unsigned long tcfg) +{ + return tcfg == S3C2410_TCFG1_MUX_TCLK; +} + +/** + * tcfg_to_divisor() - convert tcfg1 setting to a divisor + * @tcfg1: The tcfg1 setting, shifted down. + * + * Get the divisor value for the given tcfg1 setting. We assume the + * caller has already checked to see if this is not a TCLK source. + */ +static inline unsigned long tcfg_to_divisor(unsigned long tcfg1) +{ + return 1 << (1 + tcfg1); +} + +/** + * pwm_tdiv_has_div1() - does the tdiv setting have a /1 + * + * Return true if we have a /1 in the tdiv setting. + */ +static inline unsigned int pwm_tdiv_has_div1(void) +{ + return 0; +} + +/** + * pwm_tdiv_div_bits() - calculate TCFG1 divisor value. + * @div: The divisor to calculate the bit information for. + * + * Turn a divisor into the necessary bit field for TCFG1. + */ +static inline unsigned long pwm_tdiv_div_bits(unsigned int div) +{ + return ilog2(div) - 1; +} + +#define S3C_TCFG1_MUX_TCLK S3C2410_TCFG1_MUX_TCLK diff --git a/arch/arm/plat-s3c24xx/include/plat/map.h b/arch/arm/plat-s3c24xx/include/plat/map.h new file mode 100644 index 00000000000..e7be0c0d370 --- /dev/null +++ b/arch/arm/plat-s3c24xx/include/plat/map.h @@ -0,0 +1,100 @@ +/* linux/include/asm-arm/plat-s3c24xx/map.h + * + * Copyright (c) 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C24XX - Memory map 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 __ASM_PLAT_S3C24XX_MAP_H +#define __ASM_PLAT_S3C24XX_MAP_H + +/* interrupt controller is the first thing we put in, to make + * the assembly code for the irq detection easier + */ +#define S3C24XX_VA_IRQ S3C_VA_IRQ +#define S3C2410_PA_IRQ (0x4A000000) +#define S3C24XX_SZ_IRQ SZ_1M + +/* memory controller registers */ +#define S3C24XX_VA_MEMCTRL S3C_VA_MEM +#define S3C2410_PA_MEMCTRL (0x48000000) +#define S3C24XX_SZ_MEMCTRL SZ_1M + +/* UARTs */ +#define S3C24XX_VA_UART S3C_VA_UART +#define S3C2410_PA_UART (0x50000000) +#define S3C24XX_SZ_UART SZ_1M +#define S3C_UART_OFFSET (0x4000) + +/* Timers */ +#define S3C24XX_VA_TIMER S3C_VA_TIMER +#define S3C2410_PA_TIMER (0x51000000) +#define S3C24XX_SZ_TIMER SZ_1M + +/* Clock and Power management */ +#define S3C24XX_VA_CLKPWR S3C_VA_SYS +#define S3C24XX_SZ_CLKPWR SZ_1M + +/* USB Device port */ +#define S3C2410_PA_USBDEV (0x52000000) +#define S3C24XX_SZ_USBDEV SZ_1M + +/* Watchdog */ +#define S3C24XX_VA_WATCHDOG S3C_VA_WATCHDOG +#define S3C2410_PA_WATCHDOG (0x53000000) +#define S3C24XX_SZ_WATCHDOG SZ_1M + +/* Standard size definitions for peripheral blocks. */ + +#define S3C24XX_SZ_IIC SZ_1M +#define S3C24XX_SZ_IIS SZ_1M +#define S3C24XX_SZ_ADC SZ_1M +#define S3C24XX_SZ_SPI SZ_1M +#define S3C24XX_SZ_SDI SZ_1M +#define S3C24XX_SZ_NAND SZ_1M +#define S3C24XX_SZ_USBHOST SZ_1M + +/* GPIO ports */ + +/* the calculation for the VA of this must ensure that + * it is the same distance apart from the UART in the + * phsyical address space, as the initial mapping for the IO + * is done as a 1:1 maping. This puts it (currently) at + * 0xFA800000, which is not in the way of any current mapping + * by the base system. +*/ + +#define S3C2410_PA_GPIO (0x56000000) +#define S3C24XX_VA_GPIO ((S3C24XX_PA_GPIO - S3C24XX_PA_UART) + S3C24XX_VA_UART) +#define S3C24XX_SZ_GPIO SZ_1M + + +/* ISA style IO, for each machine to sort out mappings for, if it + * implements it. We reserve two 16M regions for ISA. + */ + +#define S3C24XX_VA_ISA_WORD S3C2410_ADDR(0x02000000) +#define S3C24XX_VA_ISA_BYTE S3C2410_ADDR(0x03000000) + +/* deal with the registers that move under the 2412/2413 */ + +#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413) +#ifndef __ASSEMBLY__ +extern void __iomem *s3c24xx_va_gpio2; +#endif +#ifdef CONFIG_CPU_S3C2412_ONLY +#define S3C24XX_VA_GPIO2 (S3C24XX_VA_GPIO + 0x10) +#else +#define S3C24XX_VA_GPIO2 s3c24xx_va_gpio2 +#endif +#else +#define s3c24xx_va_gpio2 S3C24XX_VA_GPIO +#define S3C24XX_VA_GPIO2 S3C24XX_VA_GPIO +#endif + +#endif /* __ASM_PLAT_S3C24XX_MAP_H */ |