X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/2f3b768d56c443c04e57ada7ac6893ef7c8ab7bc..bf5f735641b53a1e47871f8aa04d2956a427c3bc:/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c diff --git a/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c b/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c index 49a301a1e..53b1a6911 100644 --- a/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c +++ b/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c @@ -1,7 +1,7 @@ /* * Ralink RT288x SoC specific setup * - * Copyright (C) 2008-2009 Gabor Juhos + * Copyright (C) 2008-2011 Gabor Juhos * Copyright (C) 2008 Imre Kaloz * * Parts of this file are based on Ralink's 2.6.21 BSP @@ -14,18 +14,12 @@ #include #include #include -#include #include +#include #include #include -unsigned long rt288x_cpu_freq; -EXPORT_SYMBOL_GPL(rt288x_cpu_freq); - -unsigned long rt288x_sys_freq; -EXPORT_SYMBOL_GPL(rt288x_sys_freq); - void __iomem * rt288x_sysc_base; void __iomem * rt288x_memc_base; @@ -49,30 +43,76 @@ void __init rt288x_detect_sys_type(void) (id & CHIP_ID_REV_MASK)); } -void __init rt288x_detect_sys_freq(void) -{ - u32 t; - - t = rt288x_sysc_rr(SYSC_REG_SYSTEM_CONFIG); - t = ((t >> SYSTEM_CONFIG_CPUCLK_SHIFT) & SYSTEM_CONFIG_CPUCLK_MASK); - - switch (t) { - case SYSTEM_CONFIG_CPUCLK_250: - rt288x_cpu_freq = 250000000; - break; - case SYSTEM_CONFIG_CPUCLK_266: - rt288x_cpu_freq = 266666667; - break; - case SYSTEM_CONFIG_CPUCLK_280: - rt288x_cpu_freq = 280000000; - break; - case SYSTEM_CONFIG_CPUCLK_300: - rt288x_cpu_freq = 300000000; - break; - } - - rt288x_sys_freq = rt288x_cpu_freq / 2; -} +static struct ramips_gpio_chip rt288x_gpio_chips[] = { + { + .chip = { + .label = "RT288X-GPIO0", + .base = 0, + .ngpio = 24, + }, + .regs = { + [RAMIPS_GPIO_REG_INT] = 0x00, + [RAMIPS_GPIO_REG_EDGE] = 0x04, + [RAMIPS_GPIO_REG_RENA] = 0x08, + [RAMIPS_GPIO_REG_FENA] = 0x0c, + [RAMIPS_GPIO_REG_DATA] = 0x20, + [RAMIPS_GPIO_REG_DIR] = 0x24, + [RAMIPS_GPIO_REG_POL] = 0x28, + [RAMIPS_GPIO_REG_SET] = 0x2c, + [RAMIPS_GPIO_REG_RESET] = 0x30, + [RAMIPS_GPIO_REG_TOGGLE] = 0x34, + }, + .map_base = RT2880_PIO_BASE, + .map_size = RT2880_PIO_SIZE, + }, + { + .chip = { + .label = "RT288X-GPIO1", + .base = 24, + .ngpio = 16, + }, + .regs = { + [RAMIPS_GPIO_REG_INT] = 0x38, + [RAMIPS_GPIO_REG_EDGE] = 0x3c, + [RAMIPS_GPIO_REG_RENA] = 0x40, + [RAMIPS_GPIO_REG_FENA] = 0x44, + [RAMIPS_GPIO_REG_DATA] = 0x48, + [RAMIPS_GPIO_REG_DIR] = 0x4c, + [RAMIPS_GPIO_REG_POL] = 0x50, + [RAMIPS_GPIO_REG_SET] = 0x54, + [RAMIPS_GPIO_REG_RESET] = 0x58, + [RAMIPS_GPIO_REG_TOGGLE] = 0x5c, + }, + .map_base = RT2880_PIO_BASE, + .map_size = RT2880_PIO_SIZE, + }, + { + .chip = { + .label = "RT288X-GPIO2", + .base = 40, + .ngpio = 32, + }, + .regs = { + [RAMIPS_GPIO_REG_INT] = 0x60, + [RAMIPS_GPIO_REG_EDGE] = 0x64, + [RAMIPS_GPIO_REG_RENA] = 0x68, + [RAMIPS_GPIO_REG_FENA] = 0x6c, + [RAMIPS_GPIO_REG_DATA] = 0x70, + [RAMIPS_GPIO_REG_DIR] = 0x74, + [RAMIPS_GPIO_REG_POL] = 0x78, + [RAMIPS_GPIO_REG_SET] = 0x7c, + [RAMIPS_GPIO_REG_RESET] = 0x80, + [RAMIPS_GPIO_REG_TOGGLE] = 0x84, + }, + .map_base = RT2880_PIO_BASE, + .map_size = RT2880_PIO_SIZE, + }, +}; + +static struct ramips_gpio_data rt288x_gpio_data = { + .chips = rt288x_gpio_chips, + .num_chips = ARRAY_SIZE(rt288x_gpio_chips), +}; static void rt288x_gpio_reserve(int first, int last) { @@ -84,7 +124,7 @@ void __init rt288x_gpio_init(u32 mode) { rt288x_sysc_wr(mode, SYSC_REG_GPIO_MODE); - ramips_gpio_init(); + ramips_gpio_init(&rt288x_gpio_data); if ((mode & RT2880_GPIO_MODE_I2C) == 0) rt288x_gpio_reserve(1, 2);