A27系列优化I2C/RTC处理，新增版本A270Y

A27-STEPLDR/Src/sysctl.h

@@ -0,0 +1,59 @@
+#ifndef _SYSCTL_H
+#define _SYSCTL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define SYS_BOOT_SAMPLE							0x0
+#define SYS_BUS_CLK_CFG							0x40
+#define SYS_PER_CLK_CFG							0x44
+#define SYS_SDMMC_CLK_CFG						0x48
+#define SYS_VOU_CLK_CFG							0x4c
+#define SYS_BUS_CLK_EN							0x50
+#define SYS_BUS1_CLK_EN							0x54
+#define SYS_PER_CLK_EN							0x58
+#define SYS_SOFT_RST							0x5c
+#define SYS_SOFT1_RST							0x60
+#define SYS_SSP_CLK_CFG							0x64
+#define SYS_TIMER_CLK_CFG						0x68 
+#define SYS_I2S_NCO_CFG							0x6c 
+#define SYS_DDRCTL_CFG							0x70
+#define SYS_PERCTL_CFG							0x78
+#define SYS_TIMER1_CLK_CFG						0x7c
+#define SYS_ANA_CFG								0x80
+#define SYS_ANA1_CFG							0x84
+#define SYS_CPUPLL_CFG							0x88
+#define SYS_SYSPLL_CFG							0x8c
+#define SYS_ANA2_CFG							0x98
+#define SYS_ANA3_CFG							0x9c
+#define SYS_ANA4_CFG							0xa0
+
+#define SYS_PAD_CTRL00							0xc0
+#define SYS_PAD_CTRL01							0xc4
+#define SYS_PAD_CTRL02							0xc8
+#define SYS_PAD_CTRL03							0xcc
+#define SYS_PAD_CTRL04							0xd0
+#define SYS_PAD_CTRL05							0xd4
+#define SYS_PAD_CTRL06							0xd8
+#define SYS_PAD_CTRL07							0xdc
+
+#define SYS_IO_DRIVER00							0xe0
+#define SYS_IO_DRIVER01							0xe4
+#define SYS_IO_DRIVER02							0xe8
+#define SYS_IO_DRIVER03							0xec
+#define SYS_IO_DRIVER04							0xf0
+#define SYS_IO_DRIVER05							0xf4
+#define SYS_IO_DRIVER06							0xf8
+#define SYS_IO_DRIVER07							0xfc
+
+
+extern void vSysctlConfigure(uint32_t regoffset, uint32_t bitoffset, uint32_t mask, uint32_t val);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+