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mx31: Use proper IO accessor for GPR register

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Use proper IO accessor for GPR register.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Fabio Estevam 2011-11-09 04:15:02 +00:00 committed by Stefano Babic
parent 94e6dd2bc5
commit ce93dc9bce
2 changed files with 9 additions and 3 deletions
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5
arch/arm/cpu/arm1136/mx31/generic.c
View file

@ -144,14 +144,15 @@ void mx31_set_pad(enum iomux_pins pin, u32 config)
void mx31_set_gpr(enum iomux_gp_func gp, char en)
{
u32 l;
struct iomuxc_regs *iomuxc = (struct iomuxc_regs *)IOMUXC_BASE;
l = readl(IOMUXC_GPR);
l = readl(&iomuxc->gpr);
if (en)
l |= gp;
else
l &= ~gp;
writel(l, IOMUXC_GPR);
writel(l, &iomuxc->gpr);
}
void mxc_setup_weimcs(int cs, const struct mxc_weimcs *weimcs)

7
arch/arm/include/asm/arch-mx31/imx-regs.h
View file

@ -98,6 +98,12 @@ struct iim_regs {
u32 iim_scs3;
};
struct iomuxc_regs {
u32 unused1;
u32 unused2;
u32 gpr;
};
struct mx3_cpu_type {
u8 srev;
u32 v;
@ -636,7 +642,6 @@ struct esdc_regs {
#define WEIM_BASE 0xb8002000
#define IOMUXC_BASE 0x43FAC000
#define IOMUXC_GPR (IOMUXC_BASE + 0x8)
#define IOMUXC_SW_MUX_CTL(x) (IOMUXC_BASE + 0xc + (x) * 4)
#define IOMUXC_SW_PAD_CTL(x) (IOMUXC_BASE + 0x154 + (x) * 4)