diff options
| author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-09-04 15:08:26 +0000 |
|---|---|---|
| committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-09-04 15:08:26 +0000 |
| commit | 2f3b768d56c443c04e57ada7ac6893ef7c8ab7bc (patch) | |
| tree | ccf6a5b81e9dc2421a4387d63ac2735067130ab1 /target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c | |
| parent | 3ff4f7ce16ee4fa844ab699d64c1b8f8f8065c07 (diff) | |
[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/rt288x/rt288x.c')
| -rw-r--r-- | target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c | 35 |
1 files changed, 34 insertions, 1 deletions
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 e7c3787e1..49a301a1e 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); +} |