Merge branch 'master' of /home/trondmy/kernel/linux-2.6/

3 files changed, 269 insertions, 25 deletions

diff --git a/arch/mips/sni/Makefile b/arch/mips/sni/Makefile
index 9c7eaa5fb21..a5eb0adb87c 100644
--- a/arch/mips/sni/Makefile
+++ b/arch/mips/sni/Makefile
@@ -3,5 +3,6 @@
 #
 
 obj-y	 	+= irq.o pcimt_scache.o reset.o setup.o
+obj-$(CONFIG_CPU_BIG_ENDIAN) += sniprom.o
 
 EXTRA_AFLAGS := $(CFLAGS)
diff --git a/arch/mips/sni/setup.c b/arch/mips/sni/setup.c
index 01ba6c581e3..a050bb6ae70 100644
--- a/arch/mips/sni/setup.c
+++ b/arch/mips/sni/setup.c
@@ -21,8 +21,11 @@
 #include <linux/fb.h>
 #include <linux/tty.h>
 
+#ifdef CONFIG_ARC
 #include <asm/arc/types.h>
 #include <asm/sgialib.h>
+#endif
+
 #include <asm/bcache.h>
 #include <asm/bootinfo.h>
 #include <asm/io.h>
@@ -72,8 +75,7 @@ static inline void sni_pcimt_detect(void)
 
 static void __init sni_display_setup(void)
 {
-#ifdef CONFIG_VT
-#if defined(CONFIG_VGA_CONSOLE)
+#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_ARC)
 	struct screen_info *si = &screen_info;
 	DISPLAY_STATUS *di;
 
@@ -88,24 +90,54 @@ static void __init sni_display_setup(void)
 		si->orig_video_points	= 16;
 	}
 #endif
-#endif
 }
 
 static struct resource sni_io_resource = {
-	"PCIMT IO MEM", 0x00001000UL, 0x03bfffffUL, IORESOURCE_IO,
+	.start	= 0x00001000UL,
+	.end	= 0x03bfffffUL,
+	.name	= "PCIMT IO MEM",
+	.flags	= IORESOURCE_IO,
 };
 
 static struct resource pcimt_io_resources[] = {
-	{ "dma1", 0x00, 0x1f, IORESOURCE_BUSY },
-	{ "timer", 0x40, 0x5f, IORESOURCE_BUSY },
-	{ "keyboard", 0x60, 0x6f, IORESOURCE_BUSY },
-	{ "dma page reg", 0x80, 0x8f, IORESOURCE_BUSY },
-	{ "dma2", 0xc0, 0xdf, IORESOURCE_BUSY },
-	{ "PCI config data", 0xcfc, 0xcff, IORESOURCE_BUSY }
+	{
+		.start	= 0x00,
+		.end	= 0x1f,
+		.name	= "dma1",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	=  0x40,
+		.end	= 0x5f,
+		.name	= "timer",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	=  0x60,
+		.end	= 0x6f,
+		.name	= "keyboard",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	=  0x80,
+		.end	= 0x8f,
+		.name	= "dma page reg",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	=  0xc0,
+		.end	= 0xdf,
+		.name	= "dma2",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	=  0xcfc,
+		.end	= 0xcff,
+		.name	= "PCI config data",
+		.flags	= IORESOURCE_BUSY
+	}
 };
 
 static struct resource sni_mem_resource = {
-	"PCIMT PCI MEM", 0x10000000UL, 0xffffffffUL, IORESOURCE_MEM
+	.start	= 0x10000000UL,
+	.end	= 0xffffffffUL,
+	.name	= "PCIMT PCI MEM",
+	.flags	= IORESOURCE_MEM
 };
 
 /*
@@ -122,19 +154,72 @@ static struct resource sni_mem_resource = {
  * 0xa0000000 - 0xffffffff (1.5GB) PCI/EISA Bus Memory
  */
 static struct resource pcimt_mem_resources[] = {
-	{ "Video RAM area", 0x100a0000, 0x100bffff, IORESOURCE_BUSY },
-	{ "ISA Reserved", 0x100c0000, 0x100fffff, IORESOURCE_BUSY },
-	{ "PCI IO", 0x14000000, 0x17bfffff, IORESOURCE_BUSY },
-	{ "Cache Replacement Area", 0x17c00000, 0x17ffffff, IORESOURCE_BUSY},
-	{ "PCI INT Acknowledge", 0x1a000000, 0x1a000003, IORESOURCE_BUSY },
-	{ "Boot PROM", 0x1fc00000, 0x1fc7ffff, IORESOURCE_BUSY},
-	{ "Diag PROM", 0x1fc80000, 0x1fcfffff, IORESOURCE_BUSY},
-	{ "X-Bus", 0x1fd00000, 0x1fdfffff, IORESOURCE_BUSY},
-	{ "BIOS map", 0x1fe00000, 0x1fefffff, IORESOURCE_BUSY},
-	{ "NVRAM / EEPROM", 0x1ff00000, 0x1ff7ffff, IORESOURCE_BUSY},
-	{ "ASIC PCI", 0x1fff0000, 0x1fffefff, IORESOURCE_BUSY},
-	{ "MP Agent", 0x1ffff000, 0x1fffffff, IORESOURCE_BUSY},
-	{ "Main Memory", 0x20000000, 0x9fffffff, IORESOURCE_BUSY}
+	{
+		.start	= 0x100a0000,
+		.end	= 0x100bffff,
+		.name	= "Video RAM area",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	= 0x100c0000,
+		.end	= 0x100fffff,
+		.name	= "ISA Reserved",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	= 0x14000000,
+		.end	= 0x17bfffff,
+		.name	= "PCI IO",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	= 0x17c00000,
+		.end	= 0x17ffffff,
+		.name	= "Cache Replacement Area",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	= 0x1a000000,
+		.end	= 0x1a000003,
+		.name	= "PCI INT Acknowledge",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	= 0x1fc00000,
+		.end	= 0x1fc7ffff,
+		.name	= "Boot PROM",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	= 0x1fc80000,
+		.end	= 0x1fcfffff,
+		.name	= "Diag PROM",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	= 0x1fd00000,
+		.end	= 0x1fdfffff,
+		.name	= "X-Bus",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	= 0x1fe00000,
+		.end	= 0x1fefffff,
+		.name	= "BIOS map",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	= 0x1ff00000,
+		.end	= 0x1ff7ffff,
+		.name	= "NVRAM / EEPROM",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	= 0x1fff0000,
+		.end	= 0x1fffefff,
+		.name	= "ASIC PCI",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	= 0x1ffff000,
+		.end	= 0x1fffffff,
+		.name	= "MP Agent",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	= 0x20000000,
+		.end	= 0x9fffffff,
+		.name	= "Main Memory",
+		.flags	= IORESOURCE_BUSY
+	}
 };
 
 static void __init sni_resource_init(void)
@@ -168,7 +253,7 @@ static inline void sni_pcimt_time_init(void)
 	rtc_mips_set_time = mc146818_set_rtc_mmss;
 }
 
-void __init plat_setup(void)
+void __init plat_mem_setup(void)
 {
 	sni_pcimt_detect();
 	sni_pcimt_sc_init();
diff --git a/arch/mips/sni/sniprom.c b/arch/mips/sni/sniprom.c
new file mode 100644
index 00000000000..d1d0f1f493b
--- /dev/null
+++ b/arch/mips/sni/sniprom.c
@@ -0,0 +1,158 @@
+/*
+ * 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)
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/string.h>
+
+#include <asm/addrspace.h>
+#include <asm/sni.h>
+#include <asm/mipsprom.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))
+
+
+#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);
+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 prom_printf(char *fmt, ...)
+{
+	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;
+}
+
+/*
+ * /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 sni_idprom_dump(void)
+{
+	int	i;
+
+	prom_printf("SNI IDProm dump (first 128byte):\n");
+	for(i=0;i<128;i++) {
+		if (i%16 == 0)
+			prom_printf("%04x ", i);
+
+		prom_printf("%02x ", *(unsigned char *) (SNI_IDPROM_BASE+i));
+
+		if (i%16 == 15)
+			prom_printf("\n");
+	}
+}
+#endif
+
+static void 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;
+
+	DBG_PRINTF("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,
+			memconf[i].size, memconf[i].base);
+		add_memory_region(memconf[i].base, memconf[i].size, BOOT_MEM_RAM);
+	}
+}
+
+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);
+
+#ifdef DEBUG
+	sni_idprom_dump();
+#endif
+	sni_mem_init();
+
+	/* 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, " ");
+	}
+}
+