diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-15 18:01:29 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-15 18:01:29 -0400 |
commit | 7e2225d860772aaa07e1cebca6a5aa6f93f9aa91 (patch) | |
tree | 8a4c3076c2043d011fcf2357835f4f16be7606a7 /arch/mips/mti-malta/malta-setup.c | |
parent | 3a628b0fd42f7eaf9d052447784d48ceae9ffb8e (diff) | |
parent | b27418aa551a153e8bf1bd16cf93e5786f9590a9 (diff) |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (54 commits)
[MIPS] Remove mips_machtype for LASAT machines
[MIPS] Remove mips_machtype from EMMA2RH machines
[MIPS] Remove mips_machtype from ARC based machines
[MIPS] MTX-1 flash partition setup move to platform devices registration
[MIPS] TXx9: cleanup and fix some sparse warnings
[MIPS] TXx9: rename asm-mips/mach-jmr3927 to asm-mips/mach-tx39xx
[MIPS] remove machtype for group Toshiba
[MIPS] separate rbtx4927_time_init() and rbtx4937_time_init()
[MIPS] separate rbtx4927_arch_init() and rbtx4937_arch_init()
[MIPS] txx9_cpu_clock setup move to rbtx4927_time_init()
[MIPS] txx9_board_vec set directly without mips_machtype
[MIPS] IP22: Add platform device for Indy volume buttons
[MIPS] cmbvr4133: Remove support
[MIPS] remove wrppmc_machine_power_off()
[MIPS] replace inline assembler to cpu_wait()
[MIPS] IP22/28: Add platform devices for HAL2
[MIPS] TXx9: Update and merge defconfigs
[MIPS] TXx9: Make single kernel can support multiple boards
[MIPS] TXx9: Update defconfigs
[MIPS] TXx9: Reorganize PCI code
...
Diffstat (limited to 'arch/mips/mti-malta/malta-setup.c')
-rw-r--r-- | arch/mips/mti-malta/malta-setup.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/arch/mips/mti-malta/malta-setup.c b/arch/mips/mti-malta/malta-setup.c new file mode 100644 index 000000000000..e7cad54936ca --- /dev/null +++ b/arch/mips/mti-malta/malta-setup.c | |||
@@ -0,0 +1,229 @@ | |||
1 | /* | ||
2 | * Carsten Langgaard, carstenl@mips.com | ||
3 | * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. | ||
4 | * Copyright (C) 2008 Dmitri Vorobiev | ||
5 | * | ||
6 | * This program is free software; you can distribute it and/or modify it | ||
7 | * under the terms of the GNU General Public License (Version 2) as | ||
8 | * published by the Free Software Foundation. | ||
9 | * | ||
10 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
13 | * for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License along | ||
16 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
17 | * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. | ||
18 | */ | ||
19 | #include <linux/cpu.h> | ||
20 | #include <linux/init.h> | ||
21 | #include <linux/sched.h> | ||
22 | #include <linux/ioport.h> | ||
23 | #include <linux/irq.h> | ||
24 | #include <linux/pci.h> | ||
25 | #include <linux/screen_info.h> | ||
26 | #include <linux/time.h> | ||
27 | |||
28 | #include <asm/bootinfo.h> | ||
29 | #include <asm/mips-boards/generic.h> | ||
30 | #include <asm/mips-boards/prom.h> | ||
31 | #include <asm/mips-boards/malta.h> | ||
32 | #include <asm/mips-boards/maltaint.h> | ||
33 | #include <asm/dma.h> | ||
34 | #include <asm/traps.h> | ||
35 | #ifdef CONFIG_VT | ||
36 | #include <linux/console.h> | ||
37 | #endif | ||
38 | |||
39 | extern void malta_be_init(void); | ||
40 | extern int malta_be_handler(struct pt_regs *regs, int is_fixup); | ||
41 | |||
42 | static struct resource standard_io_resources[] = { | ||
43 | { | ||
44 | .name = "dma1", | ||
45 | .start = 0x00, | ||
46 | .end = 0x1f, | ||
47 | .flags = IORESOURCE_BUSY | ||
48 | }, | ||
49 | { | ||
50 | .name = "timer", | ||
51 | .start = 0x40, | ||
52 | .end = 0x5f, | ||
53 | .flags = IORESOURCE_BUSY | ||
54 | }, | ||
55 | { | ||
56 | .name = "keyboard", | ||
57 | .start = 0x60, | ||
58 | .end = 0x6f, | ||
59 | .flags = IORESOURCE_BUSY | ||
60 | }, | ||
61 | { | ||
62 | .name = "dma page reg", | ||
63 | .start = 0x80, | ||
64 | .end = 0x8f, | ||
65 | .flags = IORESOURCE_BUSY | ||
66 | }, | ||
67 | { | ||
68 | .name = "dma2", | ||
69 | .start = 0xc0, | ||
70 | .end = 0xdf, | ||
71 | .flags = IORESOURCE_BUSY | ||
72 | }, | ||
73 | }; | ||
74 | |||
75 | const char *get_system_type(void) | ||
76 | { | ||
77 | return "MIPS Malta"; | ||
78 | } | ||
79 | |||
80 | #if defined(CONFIG_MIPS_MT_SMTC) | ||
81 | const char display_string[] = " SMTC LINUX ON MALTA "; | ||
82 | #else | ||
83 | const char display_string[] = " LINUX ON MALTA "; | ||
84 | #endif /* CONFIG_MIPS_MT_SMTC */ | ||
85 | |||
86 | #ifdef CONFIG_BLK_DEV_FD | ||
87 | static void __init fd_activate(void) | ||
88 | { | ||
89 | /* | ||
90 | * Activate Floppy Controller in the SMSC FDC37M817 Super I/O | ||
91 | * Controller. | ||
92 | * Done by YAMON 2.00 onwards | ||
93 | */ | ||
94 | /* Entering config state. */ | ||
95 | SMSC_WRITE(SMSC_CONFIG_ENTER, SMSC_CONFIG_REG); | ||
96 | |||
97 | /* Activate floppy controller. */ | ||
98 | SMSC_WRITE(SMSC_CONFIG_DEVNUM, SMSC_CONFIG_REG); | ||
99 | SMSC_WRITE(SMSC_CONFIG_DEVNUM_FLOPPY, SMSC_DATA_REG); | ||
100 | SMSC_WRITE(SMSC_CONFIG_ACTIVATE, SMSC_CONFIG_REG); | ||
101 | SMSC_WRITE(SMSC_CONFIG_ACTIVATE_ENABLE, SMSC_DATA_REG); | ||
102 | |||
103 | /* Exit config state. */ | ||
104 | SMSC_WRITE(SMSC_CONFIG_EXIT, SMSC_CONFIG_REG); | ||
105 | } | ||
106 | #endif | ||
107 | |||
108 | #ifdef CONFIG_BLK_DEV_IDE | ||
109 | static void __init pci_clock_check(void) | ||
110 | { | ||
111 | unsigned int __iomem *jmpr_p = | ||
112 | (unsigned int *) ioremap(MALTA_JMPRS_REG, sizeof(unsigned int)); | ||
113 | int jmpr = (__raw_readl(jmpr_p) >> 2) & 0x07; | ||
114 | static const int pciclocks[] __initdata = { | ||
115 | 33, 20, 25, 30, 12, 16, 37, 10 | ||
116 | }; | ||
117 | int pciclock = pciclocks[jmpr]; | ||
118 | char *argptr = prom_getcmdline(); | ||
119 | |||
120 | if (pciclock != 33 && !strstr(argptr, "idebus=")) { | ||
121 | printk(KERN_WARNING "WARNING: PCI clock is %dMHz, " | ||
122 | "setting idebus\n", pciclock); | ||
123 | argptr += strlen(argptr); | ||
124 | sprintf(argptr, " idebus=%d", pciclock); | ||
125 | if (pciclock < 20 || pciclock > 66) | ||
126 | printk(KERN_WARNING "WARNING: IDE timing " | ||
127 | "calculations will be incorrect\n"); | ||
128 | } | ||
129 | } | ||
130 | #endif | ||
131 | |||
132 | #if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) | ||
133 | static void __init screen_info_setup(void) | ||
134 | { | ||
135 | screen_info = (struct screen_info) { | ||
136 | .orig_x = 0, | ||
137 | .orig_y = 25, | ||
138 | .ext_mem_k = 0, | ||
139 | .orig_video_page = 0, | ||
140 | .orig_video_mode = 0, | ||
141 | .orig_video_cols = 80, | ||
142 | .unused2 = 0, | ||
143 | .orig_video_ega_bx = 0, | ||
144 | .unused3 = 0, | ||
145 | .orig_video_lines = 25, | ||
146 | .orig_video_isVGA = VIDEO_TYPE_VGAC, | ||
147 | .orig_video_points = 16 | ||
148 | }; | ||
149 | } | ||
150 | #endif | ||
151 | |||
152 | static void __init bonito_quirks_setup(void) | ||
153 | { | ||
154 | char *argptr; | ||
155 | |||
156 | argptr = prom_getcmdline(); | ||
157 | if (strstr(argptr, "debug")) { | ||
158 | BONITO_BONGENCFG |= BONITO_BONGENCFG_DEBUGMODE; | ||
159 | printk(KERN_INFO "Enabled Bonito debug mode\n"); | ||
160 | } else | ||
161 | BONITO_BONGENCFG &= ~BONITO_BONGENCFG_DEBUGMODE; | ||
162 | |||
163 | #ifdef CONFIG_DMA_COHERENT | ||
164 | if (BONITO_PCICACHECTRL & BONITO_PCICACHECTRL_CPUCOH_PRES) { | ||
165 | BONITO_PCICACHECTRL |= BONITO_PCICACHECTRL_CPUCOH_EN; | ||
166 | printk(KERN_INFO "Enabled Bonito CPU coherency\n"); | ||
167 | |||
168 | argptr = prom_getcmdline(); | ||
169 | if (strstr(argptr, "iobcuncached")) { | ||
170 | BONITO_PCICACHECTRL &= ~BONITO_PCICACHECTRL_IOBCCOH_EN; | ||
171 | BONITO_PCIMEMBASECFG = BONITO_PCIMEMBASECFG & | ||
172 | ~(BONITO_PCIMEMBASECFG_MEMBASE0_CACHED | | ||
173 | BONITO_PCIMEMBASECFG_MEMBASE1_CACHED); | ||
174 | printk(KERN_INFO "Disabled Bonito IOBC coherency\n"); | ||
175 | } else { | ||
176 | BONITO_PCICACHECTRL |= BONITO_PCICACHECTRL_IOBCCOH_EN; | ||
177 | BONITO_PCIMEMBASECFG |= | ||
178 | (BONITO_PCIMEMBASECFG_MEMBASE0_CACHED | | ||
179 | BONITO_PCIMEMBASECFG_MEMBASE1_CACHED); | ||
180 | printk(KERN_INFO "Enabled Bonito IOBC coherency\n"); | ||
181 | } | ||
182 | } else | ||
183 | panic("Hardware DMA cache coherency not supported"); | ||
184 | #endif | ||
185 | } | ||
186 | |||
187 | void __init plat_mem_setup(void) | ||
188 | { | ||
189 | unsigned int i; | ||
190 | |||
191 | mips_pcibios_init(); | ||
192 | |||
193 | /* Request I/O space for devices used on the Malta board. */ | ||
194 | for (i = 0; i < ARRAY_SIZE(standard_io_resources); i++) | ||
195 | request_resource(&ioport_resource, standard_io_resources+i); | ||
196 | |||
197 | /* | ||
198 | * Enable DMA channel 4 (cascade channel) in the PIIX4 south bridge. | ||
199 | */ | ||
200 | enable_dma(4); | ||
201 | |||
202 | #ifdef CONFIG_KGDB | ||
203 | kgdb_config(); | ||
204 | #endif | ||
205 | |||
206 | #ifdef CONFIG_DMA_COHERENT | ||
207 | if (mips_revision_sconid != MIPS_REVISION_SCON_BONITO) | ||
208 | panic("Hardware DMA cache coherency not supported"); | ||
209 | #endif | ||
210 | |||
211 | if (mips_revision_sconid == MIPS_REVISION_SCON_BONITO) | ||
212 | bonito_quirks_setup(); | ||
213 | |||
214 | #ifdef CONFIG_BLK_DEV_IDE | ||
215 | pci_clock_check(); | ||
216 | #endif | ||
217 | |||
218 | #ifdef CONFIG_BLK_DEV_FD | ||
219 | fd_activate(); | ||
220 | #endif | ||
221 | |||
222 | #if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) | ||
223 | screen_info_setup(); | ||
224 | #endif | ||
225 | mips_reboot_setup(); | ||
226 | |||
227 | board_be_init = malta_be_init; | ||
228 | board_be_handler = malta_be_handler; | ||
229 | } | ||