diff options
author | Gabor Juhos <juhosg@openwrt.org> | 2009-09-04 15:08:26 +0000 |
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committer | Gabor Juhos <juhosg@openwrt.org> | 2009-09-04 15:08:26 +0000 |
commit | 4087330444e959cdc79c05e2ac066585bdbe9835 (patch) | |
tree | ccf6a5b81e9dc2421a4387d63ac2735067130ab1 /target/linux/ramips/files/arch/mips/ralink | |
parent | beeade30e75f7f7052a902709a8c995cd60a237f (diff) | |
download | master-187ad058-4087330444e959cdc79c05e2ac066585bdbe9835.tar.gz master-187ad058-4087330444e959cdc79c05e2ac066585bdbe9835.tar.bz2 master-187ad058-4087330444e959cdc79c05e2ac066585bdbe9835.zip |
[ramips] add GPIO configuration feature
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17512 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ramips/files/arch/mips/ralink')
6 files changed, 108 insertions, 3 deletions
diff --git a/target/linux/ramips/files/arch/mips/ralink/common/gpio.c b/target/linux/ramips/files/arch/mips/ralink/common/gpio.c index f882b925a5..4e90df0247 100644 --- a/target/linux/ramips/files/arch/mips/ralink/common/gpio.c +++ b/target/linux/ramips/files/arch/mips/ralink/common/gpio.c @@ -220,5 +220,3 @@ __init int ramips_gpio_init(void) return 0; } - -arch_initcall(ramips_gpio_init); diff --git a/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-rt-n15.c b/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-rt-n15.c index be5c815cb5..26f08845ba 100644 --- a/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-rt-n15.c +++ b/target/linux/ramips/files/arch/mips/ralink/rt288x/mach-rt-n15.c @@ -18,10 +18,14 @@ #include <asm/mips_machine.h> #include <asm/mach-ralink/machine.h> #include <asm/mach-ralink/dev_gpio_leds.h> +#include <asm/mach-ralink/rt288x.h> +#include <asm/mach-ralink/rt288x_regs.h> #include "devices.h" #define RT_N15_GPIO_LED_POWER 11 +#define RT_N15_GPIO_BUTTON_WPS 0 +#define RT_N15_GPIO_BUTTON_RESET 12 #ifdef CONFIG_MTD_PARTITIONS static struct mtd_partition rt_n15_partitions[] = { @@ -73,6 +77,8 @@ static struct gpio_led rt_n15_leds_gpio[] __initdata = { static void __init rt_n15_init(void) { + rt288x_gpio_init(RT2880_GPIO_MODE_UART0); + rt288x_register_flash(0, &rt_n15_flash_data); ramips_register_gpio_leds(-1, ARRAY_SIZE(rt_n15_leds_gpio), 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 e7c3787e1b..49a301a1e1 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 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> * * Parts of this file are based on Ralink's 2.6.21 BSP @@ -14,6 +14,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> +#include <linux/gpio.h> #include <asm/mach-ralink/common.h> #include <asm/mach-ralink/rt288x.h> @@ -73,3 +74,35 @@ void __init rt288x_detect_sys_freq(void) rt288x_sys_freq = rt288x_cpu_freq / 2; } +static void rt288x_gpio_reserve(int first, int last) +{ + for (; first <= last; first++) + gpio_request(first, "reserved"); +} + +void __init rt288x_gpio_init(u32 mode) +{ + rt288x_sysc_wr(mode, SYSC_REG_GPIO_MODE); + + ramips_gpio_init(); + if ((mode & RT2880_GPIO_MODE_I2C) == 0) + rt288x_gpio_reserve(1, 2); + + if ((mode & RT2880_GPIO_MODE_SPI) == 0) + rt288x_gpio_reserve(3, 6); + + if ((mode & RT2880_GPIO_MODE_UART0) == 0) + rt288x_gpio_reserve(7, 14); + + if ((mode & RT2880_GPIO_MODE_JTAG) == 0) + rt288x_gpio_reserve(17, 21); + + if ((mode & RT2880_GPIO_MODE_MDIO) == 0) + rt288x_gpio_reserve(22, 23); + + if ((mode & RT2880_GPIO_MODE_SDRAM) == 0) + rt288x_gpio_reserve(24, 39); + + if ((mode & RT2880_GPIO_MODE_PCI) == 0) + rt288x_gpio_reserve(40, 71); +} diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-v22rw-2x2.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-v22rw-2x2.c index 1186763279..8bd2c956fd 100644 --- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-v22rw-2x2.c +++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-v22rw-2x2.c @@ -18,9 +18,13 @@ #include <asm/mips_machine.h> #include <asm/mach-ralink/machine.h> #include <asm/mach-ralink/dev_gpio_leds.h> +#include <asm/mach-ralink/rt305x.h> +#include <asm/mach-ralink/rt305x_regs.h> #include "devices.h" +#define V22RW_2X2_GPIO_BUTTON_WPS 0 +#define V22RW_2X2_GPIO_BUTTON_SWRST 10 #define V22RW_2X2_GPIO_LED_SECURITY 13 #define V22RW_2X2_GPIO_LED_WPS 14 @@ -78,6 +82,8 @@ static struct gpio_led v22rw_2x2_leds_gpio[] __initdata = { static void __init v22rw_2x2_init(void) { + rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT); + rt305x_register_flash(0, &v22rw_2x2_flash_data); ramips_register_gpio_leds(-1, ARRAY_SIZE(v22rw_2x2_leds_gpio), diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-whr-g300n.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-whr-g300n.c index 97fe857374..2c2f44469b 100644 --- a/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-whr-g300n.c +++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/mach-whr-g300n.c @@ -18,6 +18,8 @@ #include <asm/mips_machine.h> #include <asm/mach-ralink/machine.h> #include <asm/mach-ralink/dev_gpio_leds.h> +#include <asm/mach-ralink/rt305x.h> +#include <asm/mach-ralink/rt305x_regs.h> #include "devices.h" @@ -87,6 +89,8 @@ static struct gpio_led whr_g300n_leds_gpio[] __initdata = { static void __init whr_g300n_init(void) { + rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT); + rt305x_register_flash(0, &whr_g300n_flash_data); ramips_register_gpio_leds(-1, ARRAY_SIZE(whr_g300n_leds_gpio), diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/rt305x.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/rt305x.c index 249da36b06..002aaebabd 100644 --- a/target/linux/ramips/files/arch/mips/ralink/rt305x/rt305x.c +++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/rt305x.c @@ -14,6 +14,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> +#include <linux/gpio.h> #include <asm/mach-ralink/common.h> #include <asm/mach-ralink/rt305x.h> @@ -66,3 +67,60 @@ void __init rt305x_detect_sys_freq(void) rt305x_sys_freq = rt305x_cpu_freq / 3; } + +static void rt305x_gpio_reserve(int first, int last) +{ + for (; first <= last; first++) + gpio_request(first, "reserved"); +} + +void __init rt305x_gpio_init(u32 mode) +{ + u32 t; + + rt305x_sysc_wr(mode, SYSC_REG_GPIO_MODE); + + ramips_gpio_init(); + if ((mode & RT305X_GPIO_MODE_I2C) == 0) + rt305x_gpio_reserve(RT305X_GPIO_I2C_SD, RT305X_GPIO_I2C_SCLK); + + if ((mode & RT305X_GPIO_MODE_SPI) == 0) + rt305x_gpio_reserve(RT305X_GPIO_SPI_EN, RT305X_GPIO_SPI_CLK); + + t = mode >> RT305X_GPIO_MODE_UART0_SHIFT; + t &= RT305X_GPIO_MODE_UART0_MASK; + switch (t) { + case RT305X_GPIO_MODE_UARTF: + case RT305X_GPIO_MODE_PCM_UARTF: + case RT305X_GPIO_MODE_PCM_I2S: + case RT305X_GPIO_MODE_I2S_UARTF: + rt305x_gpio_reserve(RT305X_GPIO_7, RT305X_GPIO_14); + break; + case RT305X_GPIO_MODE_PCM_GPIO: + rt305x_gpio_reserve(RT305X_GPIO_10, RT305X_GPIO_14); + break; + case RT305X_GPIO_MODE_GPIO_UARTF: + case RT305X_GPIO_MODE_GPIO_I2S: + rt305x_gpio_reserve(RT305X_GPIO_7, RT305X_GPIO_10); + break; + } + + if ((mode & RT305X_GPIO_MODE_UART1) == 0) + rt305x_gpio_reserve(RT305X_GPIO_UART1_TXD, + RT305X_GPIO_UART1_RXD); + + if ((mode & RT305X_GPIO_MODE_JTAG) == 0) + rt305x_gpio_reserve(RT305X_GPIO_JTAG_TDO, RT305X_GPIO_JTAG_TDI); + + if ((mode & RT305X_GPIO_MODE_MDIO) == 0) + rt305x_gpio_reserve(RT305X_GPIO_MDIO_MDC, + RT305X_GPIO_MDIO_MDIO); + + if ((mode & RT305X_GPIO_MODE_SDRAM) == 0) + rt305x_gpio_reserve(RT305X_GPIO_SDRAM_MD16, + RT305X_GPIO_SDRAM_MD31); + + if ((mode & RT305X_GPIO_MODE_RGMII) == 0) + rt305x_gpio_reserve(RT305X_GPIO_GE0_TXD0, + RT305X_GPIO_GE0_RXCLK); +} |