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Diffstat (limited to 'arch/mips/sni/sniprom.c')
| -rw-r--r-- | arch/mips/sni/sniprom.c | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/arch/mips/sni/sniprom.c b/arch/mips/sni/sniprom.c deleted file mode 100644 index eff4b89..0000000 --- a/arch/mips/sni/sniprom.c +++ /dev/null @@ -1,251 +0,0 @@ -/* - * Big Endian PROM code for SNI RM machines - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2005-2006 Florian Lohoff (flo@rfc822.org) - * Copyright (C) 2005-2006 Thomas Bogendoerfer (tsbogend@alpha.franken.de) - */ - -#define DEBUG - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/string.h> -#include <linux/console.h> - -#include <asm/addrspace.h> -#include <asm/sni.h> -#include <asm/mipsprom.h> -#include <asm/mipsregs.h> -#include <asm/bootinfo.h> - -/* special SNI prom calls */ -/* - * This does not exist in all proms - SINIX compares - * the prom env variable "version" against "2.0008" - * or greater. If lesser it tries to probe interesting - * registers - */ -#define PROM_GET_MEMCONF 58 - -#define PROM_VEC (u64 *)CKSEG1ADDR(0x1fc00000) -#define PROM_ENTRY(x) (PROM_VEC + (x)) - - -static int *(*__prom_putchar)(int) = (int *(*)(int))PROM_ENTRY(PROM_PUTCHAR); - -void prom_putchar(char c) -{ - __prom_putchar(c); -} - -static char *(*__prom_getenv)(char *) = (char *(*)(char *))PROM_ENTRY(PROM_GETENV); -static void (*__prom_get_memconf)(void *) = (void (*)(void *))PROM_ENTRY(PROM_GET_MEMCONF); - -char *prom_getenv(char *s) -{ - return __prom_getenv(s); -} - -void __init prom_free_prom_memory(void) -{ -} - -/* - * /proc/cpuinfo system type - * - */ -static const char *systype = "Unknown"; -const char *get_system_type(void) -{ - return systype; -} - -#define SNI_IDPROM_BASE 0xbff00000 -#define SNI_IDPROM_MEMSIZE (SNI_IDPROM_BASE+0x28) /* Memsize in 16MB quantities */ -#define SNI_IDPROM_BRDTYPE (SNI_IDPROM_BASE+0x29) /* Board Type */ -#define SNI_IDPROM_CPUTYPE (SNI_IDPROM_BASE+0x30) /* CPU Type */ - -#define SNI_IDPROM_SIZE 0x1000 - -#ifdef DEBUG -static void __init sni_idprom_dump(void) -{ - int i; - - pr_debug("SNI IDProm dump:\n"); - for (i = 0; i < 256; i++) { - if (i%16 == 0) - pr_debug("%04x ", i); - - printk("%02x ", *(unsigned char *) (SNI_IDPROM_BASE + i)); - - if (i % 16 == 15) - printk("\n"); - } -} -#endif - -static void __init sni_mem_init(void ) -{ - int i, memsize; - struct membank { - u32 size; - u32 base; - u32 size2; - u32 pad1; - u32 pad2; - } memconf[8]; - - /* MemSIZE from prom in 16MByte chunks */ - memsize = *((unsigned char *) SNI_IDPROM_MEMSIZE) * 16; - - pr_debug("IDProm memsize: %lu MByte\n", memsize); - - /* get memory bank layout from prom */ - __prom_get_memconf(&memconf); - - pr_debug("prom_get_mem_conf memory configuration:\n"); - for (i = 0;i < 8 && memconf[i].size; i++) { - if (sni_brd_type == SNI_BRD_PCI_TOWER || - sni_brd_type == SNI_BRD_PCI_TOWER_CPLUS) { - if (memconf[i].base >= 0x20000000 && - memconf[i].base < 0x30000000) { - memconf[i].base -= 0x20000000; - } - } - pr_debug("Bank%d: %08x @ %08x\n", i, - memconf[i].size, memconf[i].base); - add_memory_region(memconf[i].base, memconf[i].size, BOOT_MEM_RAM); - } -} - -static void __init sni_console_setup(void) -{ - char *ctype; - char *cdev; - char *baud; - int port; - static char options[8]; - - cdev = prom_getenv("console_dev"); - if (strncmp (cdev, "tty", 3) == 0) { - ctype = prom_getenv("console"); - switch (*ctype) { - default: - case 'l': - port = 0; - baud = prom_getenv("lbaud"); - break; - case 'r': - port = 1; - baud = prom_getenv("rbaud"); - break; - } - if (baud) - strcpy(options, baud); - if (strncmp (cdev, "tty552", 6) == 0) - add_preferred_console("ttyS", port, baud ? options : NULL); - else - add_preferred_console("ttySC", port, baud ? options : NULL); - } -} - -void __init prom_init(void) -{ - int argc = fw_arg0; - char **argv = (void *)fw_arg1; - int i; - int cputype; - - sni_brd_type = *(unsigned char *)SNI_IDPROM_BRDTYPE; - cputype = *(unsigned char *)SNI_IDPROM_CPUTYPE; - switch (sni_brd_type) { - case SNI_BRD_TOWER_OASIC: - switch (cputype) { - case SNI_CPU_M8030: - systype = "RM400-330"; - break; - case SNI_CPU_M8031: - systype = "RM400-430"; - break; - case SNI_CPU_M8037: - systype = "RM400-530"; - break; - case SNI_CPU_M8034: - systype = "RM400-730"; - break; - default: - systype = "RM400-xxx"; - break; - } - break; - case SNI_BRD_MINITOWER: - switch (cputype) { - case SNI_CPU_M8021: - case SNI_CPU_M8043: - systype = "RM400-120"; - break; - case SNI_CPU_M8040: - systype = "RM400-220"; - break; - case SNI_CPU_M8053: - systype = "RM400-225"; - break; - case SNI_CPU_M8050: - systype = "RM400-420"; - break; - default: - systype = "RM400-xxx"; - break; - } - break; - case SNI_BRD_PCI_TOWER: - systype = "RM400-Cxx"; - break; - case SNI_BRD_RM200: - systype = "RM200-xxx"; - break; - case SNI_BRD_PCI_MTOWER: - systype = "RM300-Cxx"; - break; - case SNI_BRD_PCI_DESKTOP: - switch (read_c0_prid() & 0xff00) { - case PRID_IMP_R4600: - case PRID_IMP_R4700: - systype = "RM200-C20"; - break; - case PRID_IMP_R5000: - systype = "RM200-C40"; - break; - default: - systype = "RM200-Cxx"; - break; - } - break; - case SNI_BRD_PCI_TOWER_CPLUS: - systype = "RM400-Exx"; - break; - case SNI_BRD_PCI_MTOWER_CPLUS: - systype = "RM300-Exx"; - break; - } - pr_debug("Found SNI brdtype %02x name %s\n", sni_brd_type, systype); - -#ifdef DEBUG - sni_idprom_dump(); -#endif - sni_mem_init(); - sni_console_setup(); - - /* copy prom cmdline parameters to kernel cmdline */ - for (i = 1; i < argc; i++) { - strcat(arcs_cmdline, argv[i]); - if (i < (argc - 1)) - strcat(arcs_cmdline, " "); - } -} - |