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-rw-r--r--bsps/powerpc/psim/include/psim.h90
1 files changed, 90 insertions, 0 deletions
diff --git a/bsps/powerpc/psim/include/psim.h b/bsps/powerpc/psim/include/psim.h
new file mode 100644
index 0000000000..e7b6fa7578
--- /dev/null
+++ b/bsps/powerpc/psim/include/psim.h
@@ -0,0 +1,90 @@
+/*
+ * PSIM addresses and constants based upon the configuration
+ * of devices used in the script provided by RTEMS.
+ */
+
+#ifndef __PSIM_h
+#define __PSIM_h
+
+/*
+ * RAM Information
+ */
+
+extern char RamBase[];
+extern char RamSize[];
+
+/*
+ * RamBase/RamSize is defined by the linker script;
+ * CPP symbols are AFAIK unused and deprecated.
+ */
+#define PSIM_RAM_SIZE ((unsigned long)RamSize)
+#define PSIM_RAM_BASE ((void*)RamBase)
+
+/*
+ * NVRAM/RTC Structure and Information
+ */
+
+#define PSIM_RTC_FREEZE 0xc0
+#define PSIM_RTC_UPDATE 0x00
+
+typedef struct {
+ volatile uint8_t Control; /* 0x04 */
+ volatile uint8_t Second; /* 0x05 */
+ volatile uint8_t Minute; /* 0x06 */
+ volatile uint8_t Hour; /* 0x07 */
+ volatile uint8_t Day; /* 0x08 */
+ volatile uint8_t Date; /* 0x09 */
+ volatile uint8_t Month; /* 0x0a */
+ volatile uint8_t Year; /* 0x0b */
+} psim_rtc_t;
+
+/*
+ * System V IPC Semaphore -- Read Only
+ */
+
+typedef struct {
+ volatile uint32_t obtain_value; /* 0x00 */
+ volatile uint32_t lock; /* 0x04 */
+ volatile uint32_t unlock; /* 0x08 */
+} psim_sysv_sem_t;
+
+typedef struct {
+ /* 0x0c000000 - 0x0c007FFF - AMD 29F040 */
+ volatile uint8_t Flash[ 512 * 1024 ];
+
+ /* 0x0c080000 - 0x0c0FFFFF - NVRAM/NVRAM */
+ volatile uint8_t nvram[ 512 * 1024 ];
+
+ /* 0x0c100000 - 0x0c100007 - NVRAM/RTC */
+ psim_rtc_t RTC;
+
+ /* 0x0c100008 - 0x0c10000F - NVRAM/RTC */
+ uint8_t gap1[8];
+
+ /* 0x0c100010 - 0x0c10001b - System V IPC Semaphore */
+ psim_sysv_sem_t Semaphore;
+
+ /* 0x0c10001c - 0x0c10001f - NVRAM/RTC */
+ uint8_t gap2[4];
+
+ /* 0x0c100020 - 0x0c10005F - Ethernet */
+ volatile uint8_t Ethtap[ 64 ];
+
+ /* 0x0c100060 - 0x0c10FFFF - NVRAM/RTC */
+ uint8_t gap3[65440];
+
+ /* 0x0c110000 - 0x0c12FFFF - System V IPC Shared Memory */
+ uint8_t SharedMemory[ 128 * 1024 ];
+
+ /* 0x0c130000 - 0x0c170000 - OpenPIC IRQ Controller */
+ volatile uint8_t OpenPIC[ 256 * 1024 ];
+
+} psim_registers_t;
+
+/*
+ * Data Structure Overlay for Registers. See linkcmds for placement.
+ */
+extern psim_registers_t PSIM;
+
+#endif
+/* end of include file */