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rk3066b: common: init io drive strength

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黄涛
2012-09-03 12:15:21 +08:00
parent 07d3186b84
commit d97d9b4ee3
2 changed files with 13 additions and 0 deletions
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8
arch/arm/mach-rk30/common.c
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@@ -40,6 +40,13 @@ static void __init rk30_cpu_axi_init(void)
dsb();
}
static void __init rk30_io_drive_strength_init(void)
{
#if defined(CONFIG_ARCH_RK3066B)
writel_relaxed(0x11001100, RK30_GRF_BASE + GRF_IO_CON4);
#endif
}
#define L2_LY_SP_OFF (0)
#define L2_LY_SP_MSK (0x7)
@@ -122,6 +129,7 @@ void __init rk30_map_io(void)
rk30_map_common_io();
rk29_setup_early_printk();
rk30_cpu_axi_init();
rk30_io_drive_strength_init();
rk29_sram_init();
board_clock_init();
rk30_l2_cache_init();

5
arch/arm/mach-rk30/include/mach/iomux-rk3066b.h
View File

@@ -370,6 +370,11 @@
#define GRF_DMAC2_CON1 0x00c0
#define GRF_DMAC2_CON2 0x00c4
#define GRF_DMAC2_CON3 0x00c8
#define GRF_IO_CON0 0x00f4
#define GRF_IO_CON1 0x00f8
#define GRF_IO_CON2 0x00fc
#define GRF_IO_CON3 0x0100
#define GRF_IO_CON4 0x0104
#define GRF_UOC0_CON0 0x010c
#define GRF_UOC0_CON1 0x0110
#define GRF_UOC0_CON2 0x0114