diff options
Diffstat (limited to 'arch/mips/lasat/prom.c')
-rw-r--r-- | arch/mips/lasat/prom.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/arch/mips/lasat/prom.c b/arch/mips/lasat/prom.c deleted file mode 100644 index 812c6ac366b..00000000000 --- a/arch/mips/lasat/prom.c +++ /dev/null @@ -1,117 +0,0 @@ -/* - * PROM interface routines. - */ -#include <linux/types.h> -#include <linux/init.h> -#include <linux/string.h> -#include <linux/ctype.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/bootmem.h> -#include <linux/ioport.h> -#include <asm/bootinfo.h> -#include <asm/lasat/lasat.h> -#include <asm/cpu.h> - -#include "at93c.h" -#include <asm/lasat/eeprom.h> -#include "prom.h" - -#define RESET_VECTOR 0xbfc00000 -#define PROM_JUMP_TABLE_ENTRY(n) (*((u32 *)(RESET_VECTOR + 0x20) + n)) -#define PROM_DISPLAY_ADDR PROM_JUMP_TABLE_ENTRY(0) -#define PROM_PUTC_ADDR PROM_JUMP_TABLE_ENTRY(1) -#define PROM_MONITOR_ADDR PROM_JUMP_TABLE_ENTRY(2) - -static void null_prom_display(const char *string, int pos, int clear) -{ -} - -static void null_prom_monitor(void) -{ -} - -static void null_prom_putc(char c) -{ -} - -/* these are functions provided by the bootloader */ -static void (* __prom_putc)(char c) = null_prom_putc; - -void prom_putchar(char c) -{ - __prom_putc(c); -} - -void (* prom_display)(const char *string, int pos, int clear) = - null_prom_display; -void (* prom_monitor)(void) = null_prom_monitor; - -unsigned int lasat_ndelay_divider; - -static void setup_prom_vectors(void) -{ - u32 version = *(u32 *)(RESET_VECTOR + 0x90); - - if (version >= 307) { - prom_display = (void *)PROM_DISPLAY_ADDR; - __prom_putc = (void *)PROM_PUTC_ADDR; - prom_monitor = (void *)PROM_MONITOR_ADDR; - } - printk("prom vectors set up\n"); -} - -static struct at93c_defs at93c_defs[N_MACHTYPES] = { - {(void *)AT93C_REG_100, (void *)AT93C_RDATA_REG_100, AT93C_RDATA_SHIFT_100, - AT93C_WDATA_SHIFT_100, AT93C_CS_M_100, AT93C_CLK_M_100}, - {(void *)AT93C_REG_200, (void *)AT93C_RDATA_REG_200, AT93C_RDATA_SHIFT_200, - AT93C_WDATA_SHIFT_200, AT93C_CS_M_200, AT93C_CLK_M_200}, -}; - -void __init prom_init(void) -{ - int argc = fw_arg0; - char **argv = (char **) fw_arg1; - - setup_prom_vectors(); - - if (current_cpu_data.cputype == CPU_R5000) { - printk("LASAT 200 board\n"); - mips_machtype = MACH_LASAT_200; - lasat_ndelay_divider = LASAT_200_DIVIDER; - } else { - printk("LASAT 100 board\n"); - mips_machtype = MACH_LASAT_100; - lasat_ndelay_divider = LASAT_100_DIVIDER; - } - - at93c = &at93c_defs[mips_machtype]; - - lasat_init_board_info(); /* Read info from EEPROM */ - - mips_machgroup = MACH_GROUP_LASAT; - - /* Get the command line */ - if (argc > 0) { - strncpy(arcs_cmdline, argv[0], CL_SIZE-1); - arcs_cmdline[CL_SIZE-1] = '\0'; - } - - /* Set the I/O base address */ - set_io_port_base(KSEG1); - - /* Set memory regions */ - ioport_resource.start = 0; - ioport_resource.end = 0xffffffff; /* Wrong, fixme. */ - - add_memory_region(0, lasat_board_info.li_memsize, BOOT_MEM_RAM); -} - -void __init prom_free_prom_memory(void) -{ -} - -const char *get_system_type(void) -{ - return lasat_board_info.li_bmstr; -} |