rk27xx: substitute magic constants with meaningful names for peripherials reset

Change-Id: Ia411c9be65376d1c3fdf59b7e692b0590d58775e

2 files changed, 17 insertions, 2 deletions

diff --git a/firmware/export/rk27xx.h b/firmware/export/rk27xx.h
index 6fb69d46c1..6f5859f6f8 100644
--- a/firmware/export/rk27xx.h
+++ b/firmware/export/rk27xx.h
@@ -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))
diff --git a/firmware/target/arm/rk27xx/sd-rk27xx.c b/firmware/target/arm/rk27xx/sd-rk27xx.c
index a6049e7154..cb5c02e0b6 100644
--- a/firmware/target/arm/rk27xx/sd-rk27xx.c
+++ b/firmware/target/arm/rk27xx/sd-rk27xx.c
@@ -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;