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Bahadir Balban
2008-01-13 13:53:52 +00:00
commit e2b791a3d8
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63
src/platform/pb926/platform.c Normal file
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/*
* PB926 platform-specific initialisation and setup
*
* Copyright (C) 2007 Bahadir Balban
*
*/
#include <l4/generic/platform.h>
#include <l4/generic/space.h>
#include <l4/generic/irq.h>
#include INC_ARCH(linker.h)
#include INC_PLAT(printascii.h)
#include INC_SUBARCH(mm.h)
#include INC_SUBARCH(mmu_ops.h)
#include INC_GLUE(memory.h)
#include INC_GLUE(memlayout.h)
#include INC_PLAT(offsets.h)
#include INC_PLAT(platform.h)
#include INC_PLAT(uart.h)
#include INC_PLAT(irq.h)
#include INC_ARCH(asm.h)
void init_platform_console(void)
{
add_mapping(PB926_UART0_BASE, PL011_BASE, PAGE_SIZE,
MAP_IO_DEFAULT_FLAGS);
/*
* Map same UART IO area to userspace so that primitive uart-based
* userspace printf can work. Note, this raw mapping is to be
* removed in the future, when file-based io is implemented.
*/
add_mapping(PB926_UART0_BASE, USERSPACE_UART_BASE, PAGE_SIZE,
MAP_USR_IO_FLAGS);
uart_init();
}
void init_platform_timer(void)
{
add_mapping(PB926_TIMER01_BASE, PLATFORM_TIMER_BASE, PAGE_SIZE,
MAP_IO_DEFAULT_FLAGS);
add_mapping(PB926_SYSCTRL_BASE, PB926_SYSCTRL_VBASE, PAGE_SIZE,
MAP_IO_DEFAULT_FLAGS);
timer_init();
}
void init_platform_irq_controller()
{
add_mapping(PB926_VIC_BASE, PLATFORM_IRQCTRL_BASE, PAGE_SIZE,
MAP_IO_DEFAULT_FLAGS);
add_mapping(PB926_SIC_BASE, PLATFORM_SIRQCTRL_BASE, PAGE_SIZE,
MAP_IO_DEFAULT_FLAGS);
irq_controllers_init();
}
void platform_init(void)
{
init_platform_console();
init_platform_timer();
init_platform_irq_controller();
}