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rk27xx: substitute magic constants with meaningful names for peripherials reset

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Change-Id: Ia411c9be65376d1c3fdf59b7e692b0590d58775e
This commit is contained in:
Marcin Bukat 2012-12-17 09:32:40 +01:00
parent 2b6dfdb34e
commit 15818bef55
2 changed files with 17 additions and 2 deletions
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15
firmware/export/rk27xx.h
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@ -157,6 +157,21 @@
#define CLKCFG_WDT (1<<31)
#define SCU_RSTCFG (*(volatile unsigned long *)(APB0_SCU + 0x1C))
#define RSTCFG_UHC (1<<0)
#define RSTCFG_UDC (1<<1)
#define RSTCFG_LCDC (1<<2)
#define RSTCFG_VIP (1<<3)
#define RSTCFG_DSP_CORE (1<<4)
#define RSTCFG_DSP_PERI (1<<5)
#define RSTCFG_CODEC (1<<6)
#define RSTCFG_LSADC (1<<7)
#define RSTCFG_HSADC (1<<8)
#define RSTCFG_SD (1<<9)
#define RSTCFG_MAILBOX (1<<10)
#define RSTCFG_ECT (1<<11)
#define RSTCFG_ARM_CORE (1<<12)
/* 13 - 31 reserved */
#define SCU_PWM (*(volatile unsigned long *)(APB0_SCU + 0x20))
#define SCU_CPUPD (*(volatile unsigned long *)(APB0_SCU + 0x24))
#define SCU_CHIPCFG (*(volatile unsigned long *)(APB0_SCU + 0x28))

4
firmware/target/arm/rk27xx/sd-rk27xx.c
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@ -393,9 +393,9 @@ static void sd_thread(void)
static void init_controller(void)
{
/* reset SD module */
SCU_RSTCFG |= (1<<9);
SCU_RSTCFG |= RSTCFG_SD;
sleep(1);
SCU_RSTCFG &= ~(1<<9);
SCU_RSTCFG &= ~RSTCFG_SD;
/* set pins functions as SD signals */
SCU_IOMUXA_CON |= IOMUX_SD;