V3s_Allwinner
/
uboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 2 Wiki Activity

mx51evk: Use GPIO API for configuring the IOMUX 

GPIO API provides mxc_request_iomux function for setting the IOMUX mode.

Use this function instead of directly writing to the IOMUX register.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
This commit is contained in:
Fabio Estevam 2011-10-25 03:14:00 +00:00 committed by Albert ARIBAUD
parent 9b6ede9229
commit d736ebea1c
1 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
board/freescale/mx51evk/mx51evk.c
View File

@ -254,16 +254,14 @@ static void power_init(void)
pmic_reg_write(p, REG_MODE_1, val); pmic_reg_write(p, REG_MODE_1, val);
udelay(200); udelay(200);
gpio_direction_output(46, 0);
/* Reset the ethernet controller over GPIO */
writel(0x1, IOMUXC_BASE_ADDR + 0x0AC);
/* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */ /* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */
val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG | val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG |
VVIDEOEN | VAUDIOEN | VSDEN; VVIDEOEN | VAUDIOEN | VSDEN;
pmic_reg_write(p, REG_MODE_1, val); pmic_reg_write(p, REG_MODE_1, val);
mxc_request_iomux(MX51_PIN_EIM_A20, IOMUX_CONFIG_ALT1);
gpio_direction_output(46, 0);
udelay(500); udelay(500);
gpio_set_value(46, 1); gpio_set_value(46, 1);