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MX31: QONG: make use of GPIO framework

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Signed-off-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Stefano Babic 2011-08-21 10:52:58 +02:00 committed by Albert ARIBAUD
parent 729b74add9
commit 9400f59267
2 changed files with 22 additions and 24 deletions
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10
board/davedenx/qong/fpga.c
View file

@ -25,7 +25,7 @@
#include <common.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <mxc_gpio.h>
#include <asm/gpio.h>
#include <fpga.h>
#include <lattice.h>
#include "qong_fpga.h"
@ -41,22 +41,22 @@ static void qong_jtag_init(void)
static void qong_fpga_jtag_set_tdi(int value)
{
mxc_gpio_set(QONG_FPGA_TDI_PIN, value);
gpio_set_value(QONG_FPGA_TDI_PIN, value);
}
static void qong_fpga_jtag_set_tms(int value)
{
mxc_gpio_set(QONG_FPGA_TMS_PIN, value);
gpio_set_value(QONG_FPGA_TMS_PIN, value);
}
static void qong_fpga_jtag_set_tck(int value)
{
mxc_gpio_set(QONG_FPGA_TCK_PIN, value);
gpio_set_value(QONG_FPGA_TCK_PIN, value);
}
static int qong_fpga_jtag_get_tdo(void)
{
return mxc_gpio_get(QONG_FPGA_TDO_PIN);
return gpio_get_value(QONG_FPGA_TDO_PIN);
}
lattice_board_specific_func qong_fpga_fns = {

36
board/davedenx/qong/qong.c
View file

@ -28,7 +28,7 @@
#include <asm/io.h>
#include <nand.h>
#include <fsl_pmic.h>
#include <mxc_gpio.h>
#include <asm/gpio.h>
#include "qong_fpga.h"
#include <watchdog.h>
@ -51,9 +51,9 @@ int dram_init (void)
static void qong_fpga_reset(void)
{
mxc_gpio_set(QONG_FPGA_RST_PIN, 0);
gpio_set_value(QONG_FPGA_RST_PIN, 0);
udelay(30);
mxc_gpio_set(QONG_FPGA_RST_PIN, 1);
gpio_set_value(QONG_FPGA_RST_PIN, 1);
udelay(300);
}
@ -76,21 +76,20 @@ int board_early_init_f (void)
/* FPGA reset Pin */
/* rstn = 0 */
mxc_gpio_set(QONG_FPGA_RST_PIN, 0);
mxc_gpio_direction(QONG_FPGA_RST_PIN, MXC_GPIO_DIRECTION_OUT);
gpio_direction_output(QONG_FPGA_RST_PIN, 0);
/* set interrupt pin as input */
mxc_gpio_direction(QONG_FPGA_IRQ_PIN, MXC_GPIO_DIRECTION_IN);
gpio_direction_input(QONG_FPGA_IRQ_PIN);
/* FPGA JTAG Interface */
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SFS6, MUX_CTL_GPIO));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SCK6, MUX_CTL_GPIO));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_CAPTURE, MUX_CTL_GPIO));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_COMPARE, MUX_CTL_GPIO));
mxc_gpio_direction(QONG_FPGA_TCK_PIN, MXC_GPIO_DIRECTION_OUT);
mxc_gpio_direction(QONG_FPGA_TMS_PIN, MXC_GPIO_DIRECTION_OUT);
mxc_gpio_direction(QONG_FPGA_TDI_PIN, MXC_GPIO_DIRECTION_OUT);
mxc_gpio_direction(QONG_FPGA_TDO_PIN, MXC_GPIO_DIRECTION_IN);
gpio_direction_output(QONG_FPGA_TCK_PIN, 0);
gpio_direction_output(QONG_FPGA_TMS_PIN, 0);
gpio_direction_output(QONG_FPGA_TDI_PIN, 0);
gpio_direction_input(QONG_FPGA_TDO_PIN);
#endif
/* setup pins for UART1 */
@ -263,27 +262,26 @@ static void board_nand_setup(void)
qong_fpga_reset();
/* Enable NAND flash */
mxc_gpio_set(15, 1);
mxc_gpio_set(14, 1);
mxc_gpio_direction(15, MXC_GPIO_DIRECTION_OUT);
mxc_gpio_direction(16, MXC_GPIO_DIRECTION_IN);
mxc_gpio_direction(14, MXC_GPIO_DIRECTION_IN);
mxc_gpio_set(15, 0);
gpio_set_value(15, 1);
gpio_set_value(14, 1);
gpio_direction_output(15, 0);
gpio_direction_input(16);
gpio_direction_input(14);
}
int qong_nand_rdy(void *chip)
{
udelay(1);
return mxc_gpio_get(16);
return gpio_get_value(16);
}
void qong_nand_select_chip(struct mtd_info *mtd, int chip)
{
if (chip >= 0)
mxc_gpio_set(15, 0);
gpio_set_value(15, 0);
else
mxc_gpio_set(15, 1);
gpio_set_value(15, 1);
}