diff options
| author | Matthias Weisser <weisserm@arcor.de> | 2011-07-06 00:28:32 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-07-14 15:41:24 +0200 |
| commit | 95d185894bcb6c3dffb70ef69f3c80516d19bd49 (patch) | |
| tree | e67f030c5a249f3c589d232077b6eaf041203bf4 | |
| parent | 23210d8e1b369404c27ec6cc4a44ed069c4bb5ac (diff) | |
| download | u-boot-imx-95d185894bcb6c3dffb70ef69f3c80516d19bd49.zip u-boot-imx-95d185894bcb6c3dffb70ef69f3c80516d19bd49.tar.gz u-boot-imx-95d185894bcb6c3dffb70ef69f3c80516d19bd49.tar.bz2 | |
imx: Make imx25 compatible to mxc_gpio driver and fix in tx25
Adding support for mxc_gpio driver for imx25 and fix names of registers in tx25
board.
Signed-off-by: Matthias Weisser <weisserm@arcor.de>
| -rw-r--r-- | arch/arm/include/asm/arch-mx25/imx-regs.h | 10 | ||||
| -rw-r--r-- | board/karo/tx25/tx25.c | 26 | ||||
| -rw-r--r-- | include/mxc_gpio.h | 5 |
3 files changed, 26 insertions, 15 deletions
diff --git a/arch/arm/include/asm/arch-mx25/imx-regs.h b/arch/arm/include/asm/arch-mx25/imx-regs.h index 62ee4d5..2ccb445 100644 --- a/arch/arm/include/asm/arch-mx25/imx-regs.h +++ b/arch/arm/include/asm/arch-mx25/imx-regs.h @@ -86,8 +86,8 @@ struct esdramc_regs { /* GPIO registers */ struct gpio_regs { - u32 dr; /* data */ - u32 dir; /* direction */ + u32 gpio_dr; /* data */ + u32 gpio_dir; /* direction */ u32 psr; /* pad satus */ u32 icr1; /* interrupt config 1 */ u32 icr2; /* interrupt config 2 */ @@ -357,4 +357,10 @@ struct aips_regs { #define WSR_UNLOCK1 0x5555 #define WSR_UNLOCK2 0xAAAA +/* Names used in GPIO driver */ +#define GPIO1_BASE_ADDR IMX_GPIO1_BASE +#define GPIO2_BASE_ADDR IMX_GPIO2_BASE +#define GPIO3_BASE_ADDR IMX_GPIO3_BASE +#define GPIO4_BASE_ADDR IMX_GPIO4_BASE + #endif /* _IMX_REGS_H */ diff --git a/board/karo/tx25/tx25.c b/board/karo/tx25/tx25.c index 269858c..4088374 100644 --- a/board/karo/tx25/tx25.c +++ b/board/karo/tx25/tx25.c @@ -70,18 +70,18 @@ void tx25_fec_init(void) writel(0x0, &padctl->pad_d11); /* drop PHY power and assert reset (low) */ - val = readl(&gpio4->dr) & ~((1 << 7) | (1 << 9)); - writel(val, &gpio4->dr); - val = readl(&gpio4->dir) | (1 << 7) | (1 << 9); - writel(val, &gpio4->dir); + val = readl(&gpio4->gpio_dr) & ~((1 << 7) | (1 << 9)); + writel(val, &gpio4->gpio_dr); + val = readl(&gpio4->gpio_dir) | (1 << 7) | (1 << 9); + writel(val, &gpio4->gpio_dir); mdelay(5); debug("resetting phy\n"); /* turn on PHY power leaving reset asserted */ - val = readl(&gpio4->dr) | 1 << 9; - writel(val, &gpio4->dr); + val = readl(&gpio4->gpio_dr) | 1 << 9; + writel(val, &gpio4->gpio_dr); mdelay(10); @@ -111,19 +111,19 @@ void tx25_fec_init(void) /* * set each to 1 and make each an output */ - val = readl(&gpio3->dr) | (1 << 10) | (1 << 11) | (1 << 12); - writel(val, &gpio3->dr); - val = readl(&gpio3->dir) | (1 << 10) | (1 << 11) | (1 << 12); - writel(val, &gpio3->dir); + val = readl(&gpio3->gpio_dr) | (1 << 10) | (1 << 11) | (1 << 12); + writel(val, &gpio3->gpio_dr); + val = readl(&gpio3->gpio_dir) | (1 << 10) | (1 << 11) | (1 << 12); + writel(val, &gpio3->gpio_dir); mdelay(22); /* this value came from RedBoot */ /* * deassert PHY reset */ - val = readl(&gpio4->dr) | 1 << 7; - writel(val, &gpio4->dr); - writel(val, &gpio4->dr); + val = readl(&gpio4->gpio_dr) | 1 << 7; + writel(val, &gpio4->gpio_dr); + writel(val, &gpio4->gpio_dr); mdelay(5); diff --git a/include/mxc_gpio.h b/include/mxc_gpio.h index 002ba61..f673dce 100644 --- a/include/mxc_gpio.h +++ b/include/mxc_gpio.h @@ -24,6 +24,11 @@ #ifndef __MXC_GPIO_H #define __MXC_GPIO_H +/* Converts a GPIO port number and the internal bit position + * to the GPIO number + */ +#define MXC_GPIO_PORT_TO_NUM(port, bit) (((port - 1) << 5) + (bit & 0x1f)) + enum mxc_gpio_direction { MXC_GPIO_DIRECTION_IN, MXC_GPIO_DIRECTION_OUT, |