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Bahadir Balban
2008-01-13 13:53:52 +00:00
commit e2b791a3d8
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60
include/l4/platform/pb926/offsets.h Normal file
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/*
* Describes physical memory layout of pb926 platform.
*
* Copyright (C) 2007 Bahadir Balban
*/
#ifndef __PLATFORM_PB926_OFFSETS_H__
#define __PLATFORM_PB926_OFFSETS_H__
/* Physical memory base */
#define PHYS_MEM_START 0x00000000 /* inclusive */
#define PHYS_MEM_END 0x08000000 /* 128 MB, exclusive */
/*
* These bases taken from where kernel is `physically' linked at,
* also used to calculate virtual-to-physical translation offset.
* See the linker script for their sources. PHYS_ADDR_BASE can't
* use a linker variable because it's referred from assembler.
*/
#define PHYS_ADDR_BASE 0x100000
/* Device memory base */
#define PB926_DEV_PHYS 0x10000000
/* Device offsets in physical memory */
#define PB926_SYSTEM_REGISTERS 0x10000000 /* System registers */
#define PB926_SYSCTRL_BASE 0x101E0000 /* System controller */
#define PB926_WATCHDOG_BASE 0x101E1000 /* Watchdog */
#define PB926_TIMER01_BASE 0x101E2000 /* Timers 0 and 1 */
#define PB926_TIMER23_BASE 0x101E3000 /* Timers 2 and 3 */
#define PB926_RTC_BASE 0x101E8000 /* Real Time Clock */
#define PB926_VIC_BASE 0x10140000 /* Primary Vectored IC */
#define PB926_SIC_BASE 0x10003000 /* Secondary IC */
#define PB926_UART0_BASE 0x101F1000 /* Console port (UART0) */
/*
* Uart virtual address until a file-based console access
* is available for userspace
*/
#define USERSPACE_UART_BASE 0x500000
/*
* Device offsets in virtual memory. They offset to some virtual
* device base address. Each page on this virtual base is consecutively
* allocated to devices. Nice and smooth.
*/
#define PB926_TIMER01_VOFFSET 0x00000000
#define PB926_UART0_VOFFSET 0x00001000
#define PB926_VIC_VOFFSET 0x00002000
#define PB926_SIC_VOFFSET 0x00003000
#define PB926_SYSREGS_VOFFSET 0x00005000
#define PB926_SYSCTRL_VOFFSET 0x00006000
#define PB926_UART0_VBASE (IO_AREA0_VADDR + PB926_UART0_VOFFSET)
#define PB926_TIMER01_VBASE (IO_AREA0_VADDR + PB926_TIMER01_VOFFSET)
#define PB926_SYSCTRL_VBASE (IO_AREA0_VADDR + PB926_SYSCTRL_VOFFSET)
#define PB926_VIC_VBASE (IO_AREA0_VADDR + PB926_VIC_VOFFSET)
#define PB926_SIC_VBASE (IO_AREA0_VADDR + PB926_SIC_VOFFSET)
#endif /* __PLATFORM_PB926_OFFSETS_H__ */