diff options
Diffstat (limited to 'include/psim.h')
-rw-r--r-- | include/psim.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/include/psim.h b/include/psim.h new file mode 100644 index 0000000000..e7b6fa7578 --- /dev/null +++ b/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 */ |