diff options
Diffstat (limited to 'target/linux/rb532/files-2.6.23/arch/mips/rb500/prom.c')
| -rw-r--r-- | target/linux/rb532/files-2.6.23/arch/mips/rb500/prom.c | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/target/linux/rb532/files-2.6.23/arch/mips/rb500/prom.c b/target/linux/rb532/files-2.6.23/arch/mips/rb500/prom.c deleted file mode 100644 index b10172fb51..0000000000 --- a/target/linux/rb532/files-2.6.23/arch/mips/rb500/prom.c +++ /dev/null @@ -1,178 +0,0 @@ -/* -* prom.c -********************************************************************** -* P . Sadik Oct 10, 2003 -* -* Started change log -* idt_cpu_freq is make a kernel configuration parameter -* idt_cpu_freq is exported so that other modules can use it. -* Code cleanup -********************************************************************** -* P. Sadik Oct 20, 2003 -* -* Removed NVRAM code from here, since they are already available under -* nvram directory. -* Added serial port initialisation. -********************************************************************** -********************************************************************** -* P. Sadik Oct 30, 2003 -* -* Added reset_cons_port -********************************************************************** - - P.Christeas, 2005-2006 - Port to 2.6, add 2.6 cmdline parsing - -*/ - -#include <linux/autoconf.h> -#include <linux/init.h> -#include <linux/mm.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/console.h> -#include <asm/bootinfo.h> -#include <linux/bootmem.h> -#include <linux/ioport.h> -#include <linux/blkdev.h> -#include <asm/rc32434/ddr.h> - -#define PROM_ENTRY(x) (0xbfc00000+((x)*8)) -extern void __init setup_serial_port(void); - -unsigned int idt_cpu_freq = 132000000; -EXPORT_SYMBOL(idt_cpu_freq); -unsigned int gpio_bootup_state = 0; -EXPORT_SYMBOL(gpio_bootup_state); - -char mips_mac_address[18] = "08:00:06:05:40:01"; -EXPORT_SYMBOL(mips_mac_address); - -/* what to append to cmdline when button is [not] pressed */ -#define GPIO_INIT_NOBUTTON "" -#define GPIO_INIT_BUTTON " 2" - -#ifdef CONFIG_MIKROTIK_RB500 -unsigned soft_reboot = 0; -EXPORT_SYMBOL(soft_reboot); -#endif - -#define SR_NMI 0x00180000 /* NMI */ -#define SERIAL_SPEED_ENTRY 0x00000001 - -#ifdef CONFIG_REMOTE_DEBUG -extern int remote_debug; -#endif - -#define FREQ_TAG "HZ=" -#define GPIO_TAG "gpio=" -#define KMAC_TAG "kmac=" -#define MEM_TAG "mem=" -#define BOARD_TAG "board=" -#define IGNORE_CMDLINE_MEM 1 -#define DEBUG_DDR - -#define BOARD_RB532 "500" -#define BOARD_RB532A "500r5" - -void parse_soft_settings(unsigned *ptr, unsigned size); -void parse_hard_settings(unsigned *ptr, unsigned size); - -void __init prom_setup_cmdline(void); - -void __init prom_init(void) -{ - DDR_t ddr = (DDR_t) DDR_VirtualAddress; /* define the pointer to the DDR registers */ - phys_t memsize = 0-ddr->ddrmask; - - /* this should be the very first message, even before serial is properly initialized */ - prom_setup_cmdline(); - setup_serial_port(); - - mips_machgroup = MACH_GROUP_MIKROTIK; - soft_reboot = read_c0_status() & SR_NMI; - pm_power_off = NULL; - - /* - * give all RAM to boot allocator, - * except for the first 0x400 and the last 0x200 bytes - */ - add_memory_region(ddr->ddrbase + 0x400, memsize - 0x600, BOOT_MEM_RAM); -} - -void __init prom_free_prom_memory(void) -{ - /* No prom memory to free */ -} - -static inline int match_tag(char *arg, const char *tag) -{ - return (strncmp(arg, tag, strlen(tag)) == 0); -} - -static inline unsigned long tag2ul(char *arg, const char *tag) -{ - char *num = arg+strlen(tag); - return simple_strtoul(num, 0, 10); -} - -extern char _image_cmdline; -void __init prom_setup_cmdline(void){ - char cmd_line[CL_SIZE]; - char *cp; - int prom_argc; - char **prom_argv, **prom_envp; - int i; - - prom_argc = fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; - - cp=cmd_line; - /* Note: it is common that parameters start at argv[1] and not argv[0], - however, our elf loader starts at [0] */ - for(i=0;i<prom_argc;i++){ - if (match_tag(prom_argv[i], FREQ_TAG)) { - idt_cpu_freq = tag2ul(prom_argv[i], FREQ_TAG); - continue; - } -#ifdef IGNORE_CMDLINE_MEM - /* parses out the "mem=xx" arg */ - if (match_tag(prom_argv[i], MEM_TAG)) { - continue; - } -#endif - if (i>0) *(cp++) = ' '; - if (match_tag(prom_argv[i], BOARD_TAG)) { - char *board = prom_argv[i] + strlen(BOARD_TAG); - if (match_tag(board, BOARD_RB532A)) - mips_machtype = MACH_MIKROTIK_RB532A; - else - mips_machtype = MACH_MIKROTIK_RB532; - } - - if (match_tag(prom_argv[i], GPIO_TAG)) { - gpio_bootup_state = tag2ul(prom_argv[i], GPIO_TAG); - } - strcpy(cp,prom_argv[i]); - cp+=strlen(prom_argv[i]); - } - *(cp++) = ' '; - strcpy(cp,(&_image_cmdline + 8)); - cp += strlen(&_image_cmdline); - - i=strlen(arcs_cmdline); - if (i>0){ - *(cp++) = ' '; - strcpy(cp,arcs_cmdline); - cp+=strlen(arcs_cmdline); - } - if (gpio_bootup_state&0x02) - strcpy(cp,GPIO_INIT_NOBUTTON); - else - strcpy(cp,GPIO_INIT_BUTTON); - cmd_line[CL_SIZE-1] = '\0'; - - strcpy(arcs_cmdline,cmd_line); -} - |