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authorVikram Narayanan <vikram186@gmail.com>2012-06-16 07:16:17 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-09-01 14:58:25 +0200
commit09891238a9ec8554829142473c0d1250377a210d (patch)
treea28f8647ca291152fc9e56f673f19ac05d97567b /board/karo/tx25
parentfa7a51cb8272bd6076ea4701fd6bdc65a68703ba (diff)
downloadblackbird-obmc-uboot-09891238a9ec8554829142473c0d1250377a210d.tar.gz
blackbird-obmc-uboot-09891238a9ec8554829142473c0d1250377a210d.zip
tx25: Use generic gpio_* calls
Instead of manipulating gpio registers directly, use the calls from the gpio library. Signed-off-by: Vikram Narayanan <vikram186@gmail.com> Acked-by: Stefano Babic <sbabic@denx.de> Cc: John Rigby <jcrigby@gmail.com> Cc: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'board/karo/tx25')
-rw-r--r--board/karo/tx25/tx25.c25
1 files changed, 9 insertions, 16 deletions
diff --git a/board/karo/tx25/tx25.c b/board/karo/tx25/tx25.c
index 2a29943733..07fd98d604 100644
--- a/board/karo/tx25/tx25.c
+++ b/board/karo/tx25/tx25.c
@@ -34,14 +34,13 @@
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_FEC_MXC
+#define GPIO_FEC_RESET_B MXC_GPIO_PORT_TO_NUM(4, 7)
+#define GPIO_FEC_ENABLE_B MXC_GPIO_PORT_TO_NUM(4, 9)
void tx25_fec_init(void)
{
struct iomuxc_mux_ctl *muxctl;
struct iomuxc_pad_ctl *padctl;
- u32 val;
u32 gpio_mux_mode = MX25_PIN_MUX_MODE(5);
- struct gpio_regs *gpio4 = (struct gpio_regs *)IMX_GPIO4_BASE;
- struct gpio_regs *gpio3 = (struct gpio_regs *)IMX_GPIO3_BASE;
u32 saved_rdata0_mode, saved_rdata1_mode, saved_rx_dv_mode;
debug("tx25_fec_init\n");
@@ -66,18 +65,15 @@ void tx25_fec_init(void)
writel(0x0, &padctl->pad_d11);
/* drop PHY power and assert reset (low) */
- 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);
+ gpio_direction_output(GPIO_FEC_RESET_B, 0);
+ gpio_direction_output(GPIO_FEC_ENABLE_B, 0);
mdelay(5);
debug("resetting phy\n");
/* turn on PHY power leaving reset asserted */
- val = readl(&gpio4->gpio_dr) | 1 << 9;
- writel(val, &gpio4->gpio_dr);
+ gpio_set_value(GPIO_FEC_ENABLE_B, 1);
mdelay(10);
@@ -107,19 +103,16 @@ void tx25_fec_init(void)
/*
* set each to 1 and make each an output
*/
- 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);
+ gpio_direction_output(MXC_GPIO_PORT_TO_NUM(3, 10), 1);
+ gpio_direction_output(MXC_GPIO_PORT_TO_NUM(3, 11), 1);
+ gpio_direction_output(MXC_GPIO_PORT_TO_NUM(3, 12), 1);
mdelay(22); /* this value came from RedBoot */
/*
* deassert PHY reset
*/
- val = readl(&gpio4->gpio_dr) | 1 << 7;
- writel(val, &gpio4->gpio_dr);
- writel(val, &gpio4->gpio_dr);
+ gpio_set_value(GPIO_FEC_RESET_B, 1);
mdelay(5);
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