aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/sni
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/sni')
-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 9c7eaa5fb210..a5eb0adb87c7 100644
--- a/arch/mips/sni/Makefile
+++ b/arch/mips/sni/Makefile
@@ -3,5 +3,6 @@
3# 3#
4 4
5obj-y += irq.o pcimt_scache.o reset.o setup.o 5obj-y += irq.o pcimt_scache.o reset.o setup.o
6obj-$(CONFIG_CPU_BIG_ENDIAN) += sniprom.o
6 7
7EXTRA_AFLAGS := $(CFLAGS) 8EXTRA_AFLAGS := $(CFLAGS)
diff --git a/arch/mips/sni/setup.c b/arch/mips/sni/setup.c
index 01ba6c581e3d..a050bb6ae704 100644
--- a/arch/mips/sni/setup.c
+++ b/arch/mips/sni/setup.c
@@ -21,8 +21,11 @@
21#include <linux/fb.h> 21#include <linux/fb.h>
22#include <linux/tty.h> 22#include <linux/tty.h>
23 23
24#ifdef CONFIG_ARC
24#include <asm/arc/types.h> 25#include <asm/arc/types.h>
25#include <asm/sgialib.h> 26#include <asm/sgialib.h>
27#endif
28
26#include <asm/bcache.h> 29#include <asm/bcache.h>
27#include <asm/bootinfo.h> 30#include <asm/bootinfo.h>
28#include <asm/io.h> 31#include <asm/io.h>
@@ -72,8 +75,7 @@ static inline void sni_pcimt_detect(void)
72 75
73static void __init sni_display_setup(void) 76static void __init sni_display_setup(void)
74{ 77{
75#ifdef CONFIG_VT 78#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_ARC)
76#if defined(CONFIG_VGA_CONSOLE)
77 struct screen_info *si = &screen_info; 79 struct screen_info *si = &screen_info;
78 DISPLAY_STATUS *di; 80 DISPLAY_STATUS *di;
79 81
@@ -88,24 +90,54 @@ static void __init sni_display_setup(void)
88 si->orig_video_points = 16; 90 si->orig_video_points = 16;
89 } 91 }
90#endif 92#endif
91#endif
92} 93}
93 94
94static struct resource sni_io_resource = { 95static struct resource sni_io_resource = {
95 "PCIMT IO MEM", 0x00001000UL, 0x03bfffffUL, IORESOURCE_IO, 96 .start = 0x00001000UL,
97 .end = 0x03bfffffUL,
98 .name = "PCIMT IO MEM",
99 .flags = IORESOURCE_IO,
96}; 100};
97 101
98static struct resource pcimt_io_resources[] = { 102static struct resource pcimt_io_resources[] = {
99 { "dma1", 0x00, 0x1f, IORESOURCE_BUSY }, 103 {
100 { "timer", 0x40, 0x5f, IORESOURCE_BUSY }, 104 .start = 0x00,
101 { "keyboard", 0x60, 0x6f, IORESOURCE_BUSY }, 105 .end = 0x1f,
102 { "dma page reg", 0x80, 0x8f, IORESOURCE_BUSY }, 106 .name = "dma1",
103 { "dma2", 0xc0, 0xdf, IORESOURCE_BUSY }, 107 .flags = IORESOURCE_BUSY
104 { "PCI config data", 0xcfc, 0xcff, IORESOURCE_BUSY } 108 }, {
109 .start = 0x40,
110 .end = 0x5f,
111 .name = "timer",
112 .flags = IORESOURCE_BUSY
113 }, {
114 .start = 0x60,
115 .end = 0x6f,
116 .name = "keyboard",
117 .flags = IORESOURCE_BUSY
118 }, {
119 .start = 0x80,
120 .end = 0x8f,
121 .name = "dma page reg",
122 .flags = IORESOURCE_BUSY
123 }, {
124 .start = 0xc0,
125 .end = 0xdf,
126 .name = "dma2",
127 .flags = IORESOURCE_BUSY
128 }, {
129 .start = 0xcfc,
130 .end = 0xcff,
131 .name = "PCI config data",
132 .flags = IORESOURCE_BUSY
133 }
105}; 134};
106 135
107static struct resource sni_mem_resource = { 136static struct resource sni_mem_resource = {
108 "PCIMT PCI MEM", 0x10000000UL, 0xffffffffUL, IORESOURCE_MEM 137 .start = 0x10000000UL,
138 .end = 0xffffffffUL,
139 .name = "PCIMT PCI MEM",
140 .flags = IORESOURCE_MEM
109}; 141};
110 142
111/* 143/*
@@ -122,19 +154,72 @@ static struct resource sni_mem_resource = {
122 * 0xa0000000 - 0xffffffff (1.5GB) PCI/EISA Bus Memory 154 * 0xa0000000 - 0xffffffff (1.5GB) PCI/EISA Bus Memory
123 */ 155 */
124static struct resource pcimt_mem_resources[] = { 156static struct resource pcimt_mem_resources[] = {
125 { "Video RAM area", 0x100a0000, 0x100bffff, IORESOURCE_BUSY }, 157 {
126 { "ISA Reserved", 0x100c0000, 0x100fffff, IORESOURCE_BUSY }, 158 .start = 0x100a0000,
127 { "PCI IO", 0x14000000, 0x17bfffff, IORESOURCE_BUSY }, 159 .end = 0x100bffff,
128 { "Cache Replacement Area", 0x17c00000, 0x17ffffff, IORESOURCE_BUSY}, 160 .name = "Video RAM area",
129 { "PCI INT Acknowledge", 0x1a000000, 0x1a000003, IORESOURCE_BUSY }, 161 .flags = IORESOURCE_BUSY
130 { "Boot PROM", 0x1fc00000, 0x1fc7ffff, IORESOURCE_BUSY}, 162 }, {
131 { "Diag PROM", 0x1fc80000, 0x1fcfffff, IORESOURCE_BUSY}, 163 .start = 0x100c0000,
132 { "X-Bus", 0x1fd00000, 0x1fdfffff, IORESOURCE_BUSY}, 164 .end = 0x100fffff,
133 { "BIOS map", 0x1fe00000, 0x1fefffff, IORESOURCE_BUSY}, 165 .name = "ISA Reserved",
134 { "NVRAM / EEPROM", 0x1ff00000, 0x1ff7ffff, IORESOURCE_BUSY}, 166 .flags = IORESOURCE_BUSY
135 { "ASIC PCI", 0x1fff0000, 0x1fffefff, IORESOURCE_BUSY}, 167 }, {
136 { "MP Agent", 0x1ffff000, 0x1fffffff, IORESOURCE_BUSY}, 168 .start = 0x14000000,
137 { "Main Memory", 0x20000000, 0x9fffffff, IORESOURCE_BUSY} 169 .end = 0x17bfffff,
170 .name = "PCI IO",
171 .flags = IORESOURCE_BUSY
172 }, {
173 .start = 0x17c00000,
174 .end = 0x17ffffff,
175 .name = "Cache Replacement Area",
176 .flags = IORESOURCE_BUSY
177 }, {
178 .start = 0x1a000000,
179 .end = 0x1a000003,
180 .name = "PCI INT Acknowledge",
181 .flags = IORESOURCE_BUSY
182 }, {
183 .start = 0x1fc00000,
184 .end = 0x1fc7ffff,
185 .name = "Boot PROM",
186 .flags = IORESOURCE_BUSY
187 }, {
188 .start = 0x1fc80000,
189 .end = 0x1fcfffff,
190 .name = "Diag PROM",
191 .flags = IORESOURCE_BUSY
192 }, {
193 .start = 0x1fd00000,
194 .end = 0x1fdfffff,
195 .name = "X-Bus",
196 .flags = IORESOURCE_BUSY
197 }, {
198 .start = 0x1fe00000,
199 .end = 0x1fefffff,
200 .name = "BIOS map",
201 .flags = IORESOURCE_BUSY
202 }, {
203 .start = 0x1ff00000,
204 .end = 0x1ff7ffff,
205 .name = "NVRAM / EEPROM",
206 .flags = IORESOURCE_BUSY
207 }, {
208 .start = 0x1fff0000,
209 .end = 0x1fffefff,
210 .name = "ASIC PCI",
211 .flags = IORESOURCE_BUSY
212 }, {
213 .start = 0x1ffff000,
214 .end = 0x1fffffff,
215 .name = "MP Agent",
216 .flags = IORESOURCE_BUSY
217 }, {
218 .start = 0x20000000,
219 .end = 0x9fffffff,
220 .name = "Main Memory",
221 .flags = IORESOURCE_BUSY
222 }
138}; 223};
139 224
140static void __init sni_resource_init(void) 225static void __init sni_resource_init(void)
@@ -168,7 +253,7 @@ static inline void sni_pcimt_time_init(void)
168 rtc_mips_set_time = mc146818_set_rtc_mmss; 253 rtc_mips_set_time = mc146818_set_rtc_mmss;
169} 254}
170 255
171void __init plat_setup(void) 256void __init plat_mem_setup(void)
172{ 257{
173 sni_pcimt_detect(); 258 sni_pcimt_detect();
174 sni_pcimt_sc_init(); 259 sni_pcimt_sc_init();
diff --git a/arch/mips/sni/sniprom.c b/arch/mips/sni/sniprom.c
new file mode 100644
index 000000000000..d1d0f1f493b4
--- /dev/null
+++ b/arch/mips/sni/sniprom.c
@@ -0,0 +1,158 @@
1/*
2 * Big Endian PROM code for SNI RM machines
3 *
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
6 * for more details.
7 *
8 * Copyright (C) 2005-2006 Florian Lohoff (flo@rfc822.org)
9 * Copyright (C) 2005-2006 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
10 */
11
12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <linux/string.h>
15
16#include <asm/addrspace.h>
17#include <asm/sni.h>
18#include <asm/mipsprom.h>
19#include <asm/bootinfo.h>
20
21/* special SNI prom calls */
22/*
23 * This does not exist in all proms - SINIX compares
24 * the prom env variable "version" against "2.0008"
25 * or greater. If lesser it tries to probe interesting
26 * registers
27 */
28#define PROM_GET_MEMCONF 58
29
30#define PROM_VEC (u64 *)CKSEG1ADDR(0x1fc00000)
31#define PROM_ENTRY(x) (PROM_VEC + (x))
32
33
34#undef DEBUG
35#ifdef DEBUG
36#define DBG_PRINTF(x...) prom_printf(x)
37#else
38#define DBG_PRINTF(x...)
39#endif
40
41static int *(*__prom_putchar)(int) = (int *(*)(int))PROM_ENTRY(PROM_PUTCHAR);
42static char *(*__prom_getenv)(char *) = (char *(*)(char *))PROM_ENTRY(PROM_GETENV);
43static void (*__prom_get_memconf)(void *) = (void (*)(void *))PROM_ENTRY(PROM_GET_MEMCONF);
44
45char *prom_getenv (char *s)
46{
47 return __prom_getenv(s);
48}
49
50void prom_printf(char *fmt, ...)
51{
52 va_list args;
53 char ppbuf[1024];
54 char *bptr;
55
56 va_start(args, fmt);
57 vsprintf(ppbuf, fmt, args);
58
59 bptr = ppbuf;
60
61 while (*bptr != 0) {
62 if (*bptr == '\n')
63 __prom_putchar('\r');
64
65 __prom_putchar(*bptr++);
66 }
67 va_end(args);
68}
69
70unsigned long prom_free_prom_memory(void)
71{
72 return 0;
73}
74
75/*
76 * /proc/cpuinfo system type
77 *
78 */
79static const char *systype = "Unknown";
80const char *get_system_type(void)
81{
82 return systype;
83}
84
85#define SNI_IDPROM_BASE 0xbff00000
86#define SNI_IDPROM_MEMSIZE (SNI_IDPROM_BASE+0x28) /* Memsize in 16MB quantities */
87#define SNI_IDPROM_BRDTYPE (SNI_IDPROM_BASE+0x29) /* Board Type */
88#define SNI_IDPROM_CPUTYPE (SNI_IDPROM_BASE+0x30) /* CPU Type */
89
90#define SNI_IDPROM_SIZE 0x1000
91
92#ifdef DEBUG
93static void sni_idprom_dump(void)
94{
95 int i;
96
97 prom_printf("SNI IDProm dump (first 128byte):\n");
98 for(i=0;i<128;i++) {
99 if (i%16 == 0)
100 prom_printf("%04x ", i);
101
102 prom_printf("%02x ", *(unsigned char *) (SNI_IDPROM_BASE+i));
103
104 if (i%16 == 15)
105 prom_printf("\n");
106 }
107}
108#endif
109
110static void sni_mem_init(void )
111{
112 int i, memsize;
113 struct membank {
114 u32 size;
115 u32 base;
116 u32 size2;
117 u32 pad1;
118 u32 pad2;
119 } memconf[8];
120
121 /* MemSIZE from prom in 16MByte chunks */
122 memsize=*((unsigned char *) SNI_IDPROM_MEMSIZE) * 16;
123
124 DBG_PRINTF("IDProm memsize: %lu MByte\n", memsize);
125
126 /* get memory bank layout from prom */
127 __prom_get_memconf(&memconf);
128
129 DBG_PRINTF("prom_get_mem_conf memory configuration:\n");
130 for(i=0;i<8 && memconf[i].size;i++) {
131 prom_printf("Bank%d: %08x @ %08x\n", i,
132 memconf[i].size, memconf[i].base);
133 add_memory_region(memconf[i].base, memconf[i].size, BOOT_MEM_RAM);
134 }
135}
136
137void __init prom_init(void)
138{
139 int argc = fw_arg0;
140 char **argv = (void *)fw_arg1;
141 unsigned int sni_brd_type = *(unsigned char *) SNI_IDPROM_BRDTYPE;
142 int i;
143
144 DBG_PRINTF("Found SNI brdtype %02x\n", sni_brd_type);
145
146#ifdef DEBUG
147 sni_idprom_dump();
148#endif
149 sni_mem_init();
150
151 /* copy prom cmdline parameters to kernel cmdline */
152 for (i = 1; i < argc; i++) {
153 strcat(arcs_cmdline, argv[i]);
154 if (i < (argc - 1))
155 strcat(arcs_cmdline, " ");
156 }
157}
158
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-03 14:19:01 -0500