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MX25: zmx25: make use of GPIO framework

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Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Matthias Weisser <weisserm@arcor.de>
This commit is contained in:
Stefano Babic 2011-08-21 10:55:05 +02:00 committed by Albert ARIBAUD
parent e70a10607d
commit 7caa655f74
1 changed files with 14 additions and 21 deletions
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35
board/syteco/zmx25/zmx25.c
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@ -29,7 +29,7 @@
*
*/
#include <common.h>
#include <mxc_gpio.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/imx25-pinmux.h>
@ -56,8 +56,7 @@ int board_init()
/* Setup of core volatage selection pin to run at 1.4V */
writel(gpio_mux_mode5, &muxctl->pad_ext_armclk); /* VCORE GPIO3[15] */
mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(3, 15), MXC_GPIO_DIRECTION_OUT);
mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(3, 15), 1);
gpio_direction_output(MXC_GPIO_PORT_TO_NUM(3, 15), 1);
/* Setup of input daisy chains for SD card pins*/
writel(gpio_mux_mode0_sion, &muxctl->pad_sd1_cmd);
@ -69,11 +68,10 @@ int board_init()
/* Setup of digital output for USB power and OC */
writel(gpio_mux_mode5, &muxctl->pad_csi_d3); /* USB Power GPIO1[28] */
mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(1, 28), MXC_GPIO_DIRECTION_OUT);
mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(1, 28), 1);
gpio_direction_output(MXC_GPIO_PORT_TO_NUM(1, 28), 1);
writel(gpio_mux_mode5, &muxctl->pad_csi_d2); /* USB OC GPIO1[27] */
mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(1, 18), MXC_GPIO_DIRECTION_IN);
gpio_direction_input(MXC_GPIO_PORT_TO_NUM(1, 18));
/* Setup of digital output control pins */
writel(gpio_mux_mode5, &muxctl->pad_csi_d8); /* Ouput 1 Ctrl GPIO1[7] */
@ -85,25 +83,21 @@ int board_init()
writel(0, &padctl->pad_csi_d5); /* Ouput 2 Stat pull up off */
/* Switch both output drivers off */
mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(1, 7), 0);
mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(1, 7), MXC_GPIO_DIRECTION_OUT);
mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(1, 6), 0);
mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(1, 6), MXC_GPIO_DIRECTION_OUT);
gpio_direction_output(MXC_GPIO_PORT_TO_NUM(1, 7), 0);
gpio_direction_output(MXC_GPIO_PORT_TO_NUM(1, 6), 0);
/* Setup of key input pin GPIO2[29]*/
writel(gpio_mux_mode5 | MX25_PIN_MUX_SION, &muxctl->pad_kpp_row0);
writel(0, &padctl->pad_kpp_row0); /* Key pull up off */
mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(2, 29), MXC_GPIO_DIRECTION_IN);
gpio_direction_input(MXC_GPIO_PORT_TO_NUM(2, 29));
/* Setup of status LED outputs */
writel(gpio_mux_mode5, &muxctl->pad_csi_d9); /* GPIO4[21] */
writel(gpio_mux_mode5, &muxctl->pad_csi_d4); /* GPIO1[29] */
/* Switch both LEDs off */
mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(4, 21), 0);
mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(4, 21), MXC_GPIO_DIRECTION_OUT);
mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(1, 29), 0);
mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(1, 29), MXC_GPIO_DIRECTION_OUT);
gpio_direction_output(MXC_GPIO_PORT_TO_NUM(4, 21), 0);
gpio_direction_output(MXC_GPIO_PORT_TO_NUM(1, 29), 0);
/* Setup of CAN1 and CAN2 signals */
writel(gpio_mux_mode6, &muxctl->pad_gpio_a); /* CAN1 TX */
@ -158,13 +152,12 @@ int board_late_init(void)
writel(gpio_mux_mode2, &muxctl->pad_uart2_cts);
/* assert PHY reset (low) */
mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(3, 16), 0);
mxc_gpio_direction(MXC_GPIO_PORT_TO_NUM(3, 16), MXC_GPIO_DIRECTION_OUT);
gpio_direction_output(MXC_GPIO_PORT_TO_NUM(3, 16), 0);
udelay(5000);
/* deassert PHY reset */
mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(3, 16), 1);
gpio_set_value(MXC_GPIO_PORT_TO_NUM(3, 16), 1);
udelay(5000);
#endif
@ -172,12 +165,12 @@ int board_late_init(void)
e = getenv("gs_base_board");
if (e != NULL) {
if (strcmp(e, "G283") == 0) {
int key = mxc_gpio_get(MXC_GPIO_PORT_TO_NUM(2, 29));
int key = gpio_get_value(MXC_GPIO_PORT_TO_NUM(2, 29));
if (key) {
/* Switch on both LEDs to inidcate boot mode */
mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(1, 29), 0);
mxc_gpio_set(MXC_GPIO_PORT_TO_NUM(4, 21), 0);
gpio_set_value(MXC_GPIO_PORT_TO_NUM(1, 29), 0);
gpio_set_value(MXC_GPIO_PORT_TO_NUM(4, 21), 0);
setenv("preboot", "run gs_slow_boot");
} else