diff options
Diffstat (limited to 'target/linux/rb532/files-2.6.24/arch/mips/rb500/setup.c')
-rw-r--r-- | target/linux/rb532/files-2.6.24/arch/mips/rb500/setup.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/target/linux/rb532/files-2.6.24/arch/mips/rb500/setup.c b/target/linux/rb532/files-2.6.24/arch/mips/rb500/setup.c new file mode 100644 index 000000000..0da7e6340 --- /dev/null +++ b/target/linux/rb532/files-2.6.24/arch/mips/rb500/setup.c @@ -0,0 +1,81 @@ +/* + * setup.c - boot time setup code + */ + +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/sched.h> +#include <linux/irq.h> +#include <linux/ioport.h> +#include <linux/pm.h> +#include <asm/bootinfo.h> +#include <asm/mipsregs.h> +#include <asm/pgtable.h> +#include <asm/reboot.h> +#include <asm/addrspace.h> /* for KSEG1ADDR() */ +#include <asm/time.h> +#include <asm/io.h> +#include <asm/rc32434/rc32434.h> +#include <asm/rc32434/pci.h> + +#ifdef CONFIG_PCI +extern void rc32434_time_init(void); +extern int __init rc32434_pcibridge_init(void); +#endif + +#define epldMask ((volatile unsigned char *)0xB900000d) + +static void rb_machine_restart(char *command) +{ + /* just jump to the reset vector */ + * (volatile unsigned *) KSEG1ADDR(0x18008000) = 0x80000001; + ((void (*)(void))KSEG1ADDR(0x1FC00000u))(); +} + +static void rb_machine_halt(void) +{ + for(;;) continue; +} + +#ifdef CONFIG_CPU_HAS_WB +void (*__wbflush) (void); + +static void rb_write_buffer_flush(void) +{ + __asm__ __volatile__ + ("sync\n\t" "nop\n\t" "loop: bc0f loop\n\t" "nop\n\t"); +} +#endif + +void __init plat_mem_setup(void) +{ + unsigned int pciCntlVal; + + //board_time_init = rc32434_time_init; + +#ifdef CONFIG_CPU_HAS_WB + __wbflush = rb_write_buffer_flush; +#endif + _machine_restart = rb_machine_restart; + _machine_halt = rb_machine_halt; + /*_machine_power_off = rb_machine_power_halt;*/ + pm_power_off = rb_machine_halt; + + set_io_port_base(KSEG1); + + pciCntlVal=rc32434_pci->pcic; + pciCntlVal &= 0xFFFFFF7; + rc32434_pci->pcic = pciCntlVal; + +#ifdef CONFIG_PCI + /* Enable PCI interrupts in EPLD Mask register */ + *epldMask = 0x0; + *(epldMask + 1) = 0x0; +#endif + write_c0_wired(0); +} + +const char *get_system_type(void) +{ + return "MIPS RB500"; +} |