* 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>
#define PROM_ENTRY(x) (PROM_VEC + (x))
-#undef DEBUG
-#ifdef DEBUG
-#define DBG_PRINTF(x...) prom_printf(x)
-#else
-#define DBG_PRINTF(x...)
-#endif
-
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);
return __prom_getenv(s);
}
-void prom_printf(char *fmt, ...)
+void __init prom_free_prom_memory(void)
{
- va_list args;
- char ppbuf[1024];
- char *bptr;
-
- va_start(args, fmt);
- vsprintf(ppbuf, fmt, args);
-
- bptr = ppbuf;
-
- while (*bptr != 0) {
- if (*bptr == '\n')
- __prom_putchar('\r');
-
- __prom_putchar(*bptr++);
- }
- va_end(args);
-}
-
-unsigned long prom_free_prom_memory(void)
-{
- return 0;
}
/*
{
int i;
- prom_printf("SNI IDProm dump (first 128byte):\n");
- for(i=0;i<128;i++) {
+ pr_debug("SNI IDProm dump:\n");
+ for (i = 0; i < 256; i++) {
if (i%16 == 0)
- prom_printf("%04x ", i);
+ pr_debug("%04x ", i);
- prom_printf("%02x ", *(unsigned char *) (SNI_IDPROM_BASE+i));
+ printk("%02x ", *(unsigned char *) (SNI_IDPROM_BASE + i));
- if (i%16 == 15)
- prom_printf("\n");
+ if (i % 16 == 15)
+ printk("\n");
}
}
#endif
} memconf[8];
/* MemSIZE from prom in 16MByte chunks */
- memsize=*((unsigned char *) SNI_IDPROM_MEMSIZE) * 16;
+ memsize = *((unsigned char *) SNI_IDPROM_MEMSIZE) * 16;
- DBG_PRINTF("IDProm memsize: %lu MByte\n", memsize);
+ pr_debug("IDProm memsize: %lu MByte\n", memsize);
/* get memory bank layout from prom */
__prom_get_memconf(&memconf);
- DBG_PRINTF("prom_get_mem_conf memory configuration:\n");
- for(i=0;i<8 && memconf[i].size;i++) {
- prom_printf("Bank%d: %08x @ %08x\n", i,
+ 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);
+ add_preferred_console("ttyS", port, baud ? options : NULL);
+ }
+}
+
void __init prom_init(void)
{
int argc = fw_arg0;
char **argv = (void *)fw_arg1;
- unsigned int sni_brd_type = *(unsigned char *) SNI_IDPROM_BRDTYPE;
int i;
-
- DBG_PRINTF("Found SNI brdtype %02x\n", sni_brd_type);
+ 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++) {
projects / powerpc.git / blobdiff