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-rw-r--r--arch/mips/sni/Makefile1
-rw-r--r--arch/mips/sni/setup.c135
-rw-r--r--arch/mips/sni/sniprom.c158
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, " ");
+ }
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 23:56:31 +0000