[MIPS] Support for several more SNI RM models.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 119 insertions, 10 deletions

diff --git a/arch/mips/sni/sniprom.c b/arch/mips/sni/sniprom.c
index 1213d166f22e..6a44bbf0b732 100644
--- a/arch/mips/sni/sniprom.c
+++ b/arch/mips/sni/sniprom.c
@@ -12,6 +12,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/string.h>
+#include <linux/console.h>
 
 #include <asm/addrspace.h>
 #include <asm/sni.h>
@@ -31,7 +32,7 @@
 #define PROM_ENTRY(x)		(PROM_VEC + (x))
 
 
-#undef DEBUG
+#define DEBUG
 #ifdef DEBUG
 #define DBG_PRINTF(x...)     prom_printf(x)
 #else
@@ -93,14 +94,14 @@ static void sni_idprom_dump(void)
 {
 	int	i;
 
-	prom_printf("SNI IDProm dump (first 128byte):\n");
-	for(i=0;i<128;i++) {
+	prom_printf("SNI IDProm dump:\n");
+	for (i = 0; i < 256; i++) {
 		if (i%16 == 0)
 			prom_printf("%04x ", i);
 
-		prom_printf("%02x ", *(unsigned char *) (SNI_IDPROM_BASE+i));
+		prom_printf("%02x ", *(unsigned char *) (SNI_IDPROM_BASE + i));
 
-		if (i%16 == 15)
+		if (i % 16 == 15)
 			prom_printf("\n");
 	}
 }
@@ -118,7 +119,7 @@ static void sni_mem_init(void )
 	} 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);
 
@@ -126,26 +127,134 @@ static void sni_mem_init(void )
 	__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,
+	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;
+			}
+	}
+		DBG_PRINTF("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;
+	int cputype;
 
-	DBG_PRINTF("Found SNI brdtype %02x\n", sni_brd_type);
+	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;
+	}
+	DBG_PRINTF("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++) {