diff options
author | Paul Mundt <lethal@linux-sh.org> | 2007-11-21 09:27:52 -0500 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2008-01-27 23:18:55 -0500 |
commit | b4eaa1cc7ce8203ac9af9184c49c635ce79592b1 (patch) | |
tree | 83d71382fed9cc992cd6a1c23e6ec28fef304f2a /arch | |
parent | 18bc81319b438ae3266e1b2653ce874912dae891 (diff) |
sh: Kill off the rest of arch/sh64/kernel/.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/sh/drivers/pci/pci-sh5.c (renamed from arch/sh64/kernel/pci_sh5.c) | 0 | ||||
-rw-r--r-- | arch/sh/drivers/pci/pci-sh5.h (renamed from arch/sh64/kernel/pci_sh5.h) | 0 | ||||
-rw-r--r-- | arch/sh/kernel/Makefile_32 | 2 | ||||
-rw-r--r-- | arch/sh/kernel/Makefile_64 | 2 | ||||
-rw-r--r-- | arch/sh/kernel/time_32.c (renamed from arch/sh/kernel/time.c) | 0 | ||||
-rw-r--r-- | arch/sh/kernel/time_64.c (renamed from arch/sh64/kernel/time.c) | 15 | ||||
-rw-r--r-- | arch/sh64/kernel/Makefile | 36 | ||||
-rw-r--r-- | arch/sh64/kernel/alphanum.c | 43 | ||||
-rw-r--r-- | arch/sh64/kernel/dma.c | 297 | ||||
-rw-r--r-- | arch/sh64/kernel/early_printk.c | 99 | ||||
-rw-r--r-- | arch/sh64/kernel/led.c | 40 | ||||
-rw-r--r-- | arch/sh64/kernel/pcibios.c | 168 | ||||
-rw-r--r-- | arch/sh64/kernel/setup.c | 379 |
13 files changed, 8 insertions, 1073 deletions
diff --git a/arch/sh64/kernel/pci_sh5.c b/arch/sh/drivers/pci/pci-sh5.c index b4d9534d2b0e..b4d9534d2b0e 100644 --- a/arch/sh64/kernel/pci_sh5.c +++ b/arch/sh/drivers/pci/pci-sh5.c | |||
diff --git a/arch/sh64/kernel/pci_sh5.h b/arch/sh/drivers/pci/pci-sh5.h index c71159dd04b9..c71159dd04b9 100644 --- a/arch/sh64/kernel/pci_sh5.h +++ b/arch/sh/drivers/pci/pci-sh5.h | |||
diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32 index 990ba74db0d6..c89289831053 100644 --- a/arch/sh/kernel/Makefile_32 +++ b/arch/sh/kernel/Makefile_32 | |||
@@ -6,7 +6,7 @@ extra-y := head_32.o init_task.o vmlinux.lds | |||
6 | 6 | ||
7 | obj-y := debugtraps.o io.o io_generic.o irq.o machvec.o process_32.o \ | 7 | obj-y := debugtraps.o io.o io_generic.o irq.o machvec.o process_32.o \ |
8 | ptrace_32.o semaphore.o setup.o signal_32.o sys_sh.o sys_sh32.o \ | 8 | ptrace_32.o semaphore.o setup.o signal_32.o sys_sh.o sys_sh32.o \ |
9 | syscalls_32.o time.o topology.o traps.o traps_32.o | 9 | syscalls_32.o time_32.o topology.o traps.o traps_32.o |
10 | 10 | ||
11 | obj-y += cpu/ timers/ | 11 | obj-y += cpu/ timers/ |
12 | obj-$(CONFIG_VSYSCALL) += vsyscall/ | 12 | obj-$(CONFIG_VSYSCALL) += vsyscall/ |
diff --git a/arch/sh/kernel/Makefile_64 b/arch/sh/kernel/Makefile_64 index 10e3ae1c64b8..1ef21cc087f3 100644 --- a/arch/sh/kernel/Makefile_64 +++ b/arch/sh/kernel/Makefile_64 | |||
@@ -2,7 +2,7 @@ extra-y := head_64.o init_task.o vmlinux.lds | |||
2 | 2 | ||
3 | obj-y := debugtraps.o io.o io_generic.o irq.o machvec.o process_64.o \ | 3 | obj-y := debugtraps.o io.o io_generic.o irq.o machvec.o process_64.o \ |
4 | ptrace_64.o semaphore.o setup.o signal_64.o sys_sh.o sys_sh64.o \ | 4 | ptrace_64.o semaphore.o setup.o signal_64.o sys_sh.o sys_sh64.o \ |
5 | syscalls_64.o time.o topology.o traps.o traps_64.o | 5 | syscalls_64.o time_64.o topology.o traps.o traps_64.o |
6 | 6 | ||
7 | obj-y += cpu/ timers/ | 7 | obj-y += cpu/ timers/ |
8 | obj-$(CONFIG_VSYSCALL) += vsyscall/ | 8 | obj-$(CONFIG_VSYSCALL) += vsyscall/ |
diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time_32.c index 2bc04bfee738..2bc04bfee738 100644 --- a/arch/sh/kernel/time.c +++ b/arch/sh/kernel/time_32.c | |||
diff --git a/arch/sh64/kernel/time.c b/arch/sh/kernel/time_64.c index d1a9b5b078bd..4c52feead115 100644 --- a/arch/sh64/kernel/time.c +++ b/arch/sh/kernel/time_64.c | |||
@@ -31,14 +31,14 @@ | |||
31 | #include <linux/bcd.h> | 31 | #include <linux/bcd.h> |
32 | #include <linux/timex.h> | 32 | #include <linux/timex.h> |
33 | #include <linux/irq.h> | 33 | #include <linux/irq.h> |
34 | #include <linux/io.h> | ||
34 | #include <linux/platform_device.h> | 35 | #include <linux/platform_device.h> |
35 | #include <asm/registers.h> /* required by inline __asm__ stmt. */ | 36 | #include <asm/cpu/registers.h> /* required by inline __asm__ stmt. */ |
37 | #include <asm/cpu/irq.h> | ||
38 | #include <asm/addrspace.h> | ||
36 | #include <asm/processor.h> | 39 | #include <asm/processor.h> |
37 | #include <asm/uaccess.h> | 40 | #include <asm/uaccess.h> |
38 | #include <asm/io.h> | ||
39 | #include <asm/irq.h> | ||
40 | #include <asm/delay.h> | 41 | #include <asm/delay.h> |
41 | #include <asm/hardware.h> | ||
42 | 42 | ||
43 | #define TMU_TOCR_INIT 0x00 | 43 | #define TMU_TOCR_INIT 0x00 |
44 | #define TMU0_TCR_INIT 0x0020 | 44 | #define TMU0_TCR_INIT 0x0020 |
@@ -240,11 +240,8 @@ static inline void do_timer_interrupt(void) | |||
240 | profile_tick(CPU_PROFILING); | 240 | profile_tick(CPU_PROFILING); |
241 | 241 | ||
242 | #ifdef CONFIG_HEARTBEAT | 242 | #ifdef CONFIG_HEARTBEAT |
243 | { | 243 | if (sh_mv.mv_heartbeat != NULL) |
244 | extern void heartbeat(void); | 244 | sh_mv.mv_heartbeat(); |
245 | |||
246 | heartbeat(); | ||
247 | } | ||
248 | #endif | 245 | #endif |
249 | 246 | ||
250 | /* | 247 | /* |
diff --git a/arch/sh64/kernel/Makefile b/arch/sh64/kernel/Makefile deleted file mode 100644 index e3467bda6167..000000000000 --- a/arch/sh64/kernel/Makefile +++ /dev/null | |||
@@ -1,36 +0,0 @@ | |||
1 | # | ||
2 | # This file is subject to the terms and conditions of the GNU General Public | ||
3 | # License. See the file "COPYING" in the main directory of this archive | ||
4 | # for more details. | ||
5 | # | ||
6 | # Copyright (C) 2000, 2001 Paolo Alberelli | ||
7 | # Copyright (C) 2003 Paul Mundt | ||
8 | # | ||
9 | # Makefile for the Linux sh64 kernel. | ||
10 | # | ||
11 | # Note! Dependencies are done automagically by 'make dep', which also | ||
12 | # removes any old dependencies. DON'T put your own dependencies here | ||
13 | # unless it's something special (ie not a .c file). | ||
14 | # | ||
15 | |||
16 | extra-y := head.o init_task.o vmlinux.lds | ||
17 | |||
18 | obj-y := process.o signal.o entry.o traps.o irq.o irq_intc.o \ | ||
19 | ptrace.o setup.o time.o sys_sh64.o semaphore.o sh_ksyms.o \ | ||
20 | switchto.o syscalls.o | ||
21 | |||
22 | obj-$(CONFIG_HEARTBEAT) += led.o | ||
23 | obj-$(CONFIG_SH_ALPHANUMERIC) += alphanum.o | ||
24 | obj-$(CONFIG_SH_DMA) += dma.o | ||
25 | obj-$(CONFIG_SH_FPU) += fpu.o | ||
26 | obj-$(CONFIG_EARLY_PRINTK) += early_printk.o | ||
27 | obj-$(CONFIG_KALLSYMS) += unwind.o | ||
28 | obj-$(CONFIG_PCI) += pcibios.o | ||
29 | obj-$(CONFIG_MODULES) += module.o | ||
30 | |||
31 | ifeq ($(CONFIG_PCI),y) | ||
32 | obj-$(CONFIG_CPU_SH5) += pci_sh5.o | ||
33 | endif | ||
34 | |||
35 | USE_STANDARD_AS_RULE := true | ||
36 | |||
diff --git a/arch/sh64/kernel/alphanum.c b/arch/sh64/kernel/alphanum.c deleted file mode 100644 index d1619d95fbaa..000000000000 --- a/arch/sh64/kernel/alphanum.c +++ /dev/null | |||
@@ -1,43 +0,0 @@ | |||
1 | /* | ||
2 | * arch/sh64/kernel/alphanum.c | ||
3 | * | ||
4 | * Copyright (C) 2002 Stuart Menefy <stuart.menefy@st.com> | ||
5 | * | ||
6 | * May be copied or modified under the terms of the GNU General Public | ||
7 | * License. See linux/COPYING for more information. | ||
8 | * | ||
9 | * Machine-independent functions for handling 8-digit alphanumeric display | ||
10 | * (e.g. Agilent HDSP-253x) | ||
11 | */ | ||
12 | #include <linux/stddef.h> | ||
13 | #include <linux/sched.h> | ||
14 | |||
15 | void mach_alphanum(int pos, unsigned char val); | ||
16 | |||
17 | void print_seg(char *file, int line) | ||
18 | { | ||
19 | int i; | ||
20 | unsigned int nibble; | ||
21 | |||
22 | for (i = 0; i < 5; i++) { | ||
23 | mach_alphanum(i, file[i]); | ||
24 | } | ||
25 | |||
26 | for (i = 0; i < 3; i++) { | ||
27 | nibble = ((line >> (i * 4)) & 0xf); | ||
28 | mach_alphanum(7 - i, nibble + ((nibble > 9) ? 55 : 48)); | ||
29 | } | ||
30 | } | ||
31 | |||
32 | void print_seg_num(unsigned num) | ||
33 | { | ||
34 | int i; | ||
35 | unsigned int nibble; | ||
36 | |||
37 | for (i = 0; i < 8; i++) { | ||
38 | nibble = ((num >> (i * 4)) & 0xf); | ||
39 | |||
40 | mach_alphanum(7 - i, nibble + ((nibble > 9) ? 55 : 48)); | ||
41 | } | ||
42 | } | ||
43 | |||
diff --git a/arch/sh64/kernel/dma.c b/arch/sh64/kernel/dma.c deleted file mode 100644 index 32c6f0549bf1..000000000000 --- a/arch/sh64/kernel/dma.c +++ /dev/null | |||
@@ -1,297 +0,0 @@ | |||
1 | /* | ||
2 | * arch/sh64/kernel/dma.c | ||
3 | * | ||
4 | * DMA routines for the SH-5 DMAC. | ||
5 | * | ||
6 | * Copyright (C) 2003 Paul Mundt | ||
7 | * | ||
8 | * This file is subject to the terms and conditions of the GNU General Public | ||
9 | * License. See the file "COPYING" in the main directory of this archive | ||
10 | * for more details. | ||
11 | */ | ||
12 | #include <linux/init.h> | ||
13 | #include <linux/module.h> | ||
14 | #include <linux/interrupt.h> | ||
15 | #include <linux/types.h> | ||
16 | #include <linux/irq.h> | ||
17 | #include <linux/spinlock.h> | ||
18 | #include <linux/mm.h> | ||
19 | #include <asm/hardware.h> | ||
20 | #include <asm/dma.h> | ||
21 | #include <asm/signal.h> | ||
22 | #include <asm/errno.h> | ||
23 | #include <asm/io.h> | ||
24 | |||
25 | typedef struct { | ||
26 | unsigned long dev_addr; | ||
27 | unsigned long mem_addr; | ||
28 | |||
29 | unsigned int mode; | ||
30 | unsigned int count; | ||
31 | } dma_info_t; | ||
32 | |||
33 | static dma_info_t dma_info[MAX_DMA_CHANNELS]; | ||
34 | static DEFINE_SPINLOCK(dma_spin_lock); | ||
35 | |||
36 | /* arch/sh64/kernel/irq_intc.c */ | ||
37 | extern void make_intc_irq(unsigned int irq); | ||
38 | |||
39 | /* DMAC Interrupts */ | ||
40 | #define DMA_IRQ_DMTE0 18 | ||
41 | #define DMA_IRQ_DERR 22 | ||
42 | |||
43 | #define DMAC_COMMON_BASE (dmac_base + 0x08) | ||
44 | #define DMAC_SAR_BASE (dmac_base + 0x10) | ||
45 | #define DMAC_DAR_BASE (dmac_base + 0x18) | ||
46 | #define DMAC_COUNT_BASE (dmac_base + 0x20) | ||
47 | #define DMAC_CTRL_BASE (dmac_base + 0x28) | ||
48 | #define DMAC_STATUS_BASE (dmac_base + 0x30) | ||
49 | |||
50 | #define DMAC_SAR(n) (DMAC_SAR_BASE + ((n) * 0x28)) | ||
51 | #define DMAC_DAR(n) (DMAC_DAR_BASE + ((n) * 0x28)) | ||
52 | #define DMAC_COUNT(n) (DMAC_COUNT_BASE + ((n) * 0x28)) | ||
53 | #define DMAC_CTRL(n) (DMAC_CTRL_BASE + ((n) * 0x28)) | ||
54 | #define DMAC_STATUS(n) (DMAC_STATUS_BASE + ((n) * 0x28)) | ||
55 | |||
56 | /* DMAC.COMMON Bit Definitions */ | ||
57 | #define DMAC_COMMON_PR 0x00000001 /* Priority */ | ||
58 | /* Bits 1-2 Reserved */ | ||
59 | #define DMAC_COMMON_ME 0x00000008 /* Master Enable */ | ||
60 | #define DMAC_COMMON_NMI 0x00000010 /* NMI Flag */ | ||
61 | /* Bits 5-6 Reserved */ | ||
62 | #define DMAC_COMMON_ER 0x00000780 /* Error Response */ | ||
63 | #define DMAC_COMMON_AAE 0x00007800 /* Address Alignment Error */ | ||
64 | /* Bits 15-63 Reserved */ | ||
65 | |||
66 | /* DMAC.SAR Bit Definitions */ | ||
67 | #define DMAC_SAR_ADDR 0xffffffff /* Source Address */ | ||
68 | |||
69 | /* DMAC.DAR Bit Definitions */ | ||
70 | #define DMAC_DAR_ADDR 0xffffffff /* Destination Address */ | ||
71 | |||
72 | /* DMAC.COUNT Bit Definitions */ | ||
73 | #define DMAC_COUNT_CNT 0xffffffff /* Transfer Count */ | ||
74 | |||
75 | /* DMAC.CTRL Bit Definitions */ | ||
76 | #define DMAC_CTRL_TS 0x00000007 /* Transfer Size */ | ||
77 | #define DMAC_CTRL_SI 0x00000018 /* Source Increment */ | ||
78 | #define DMAC_CTRL_DI 0x00000060 /* Destination Increment */ | ||
79 | #define DMAC_CTRL_RS 0x00000780 /* Resource Select */ | ||
80 | #define DMAC_CTRL_IE 0x00000800 /* Interrupt Enable */ | ||
81 | #define DMAC_CTRL_TE 0x00001000 /* Transfer Enable */ | ||
82 | /* Bits 15-63 Reserved */ | ||
83 | |||
84 | /* DMAC.STATUS Bit Definitions */ | ||
85 | #define DMAC_STATUS_TE 0x00000001 /* Transfer End */ | ||
86 | #define DMAC_STATUS_AAE 0x00000002 /* Address Alignment Error */ | ||
87 | /* Bits 2-63 Reserved */ | ||
88 | |||
89 | static unsigned long dmac_base; | ||
90 | |||
91 | void set_dma_count(unsigned int chan, unsigned int count); | ||
92 | void set_dma_addr(unsigned int chan, unsigned int addr); | ||
93 | |||
94 | static irqreturn_t dma_mte(int irq, void *dev_id, struct pt_regs *regs) | ||
95 | { | ||
96 | unsigned int chan = irq - DMA_IRQ_DMTE0; | ||
97 | dma_info_t *info = dma_info + chan; | ||
98 | u64 status; | ||
99 | |||
100 | if (info->mode & DMA_MODE_WRITE) { | ||
101 | sh64_out64(info->mem_addr & DMAC_SAR_ADDR, DMAC_SAR(chan)); | ||
102 | } else { | ||
103 | sh64_out64(info->mem_addr & DMAC_DAR_ADDR, DMAC_DAR(chan)); | ||
104 | } | ||
105 | |||
106 | set_dma_count(chan, info->count); | ||
107 | |||
108 | /* Clear the TE bit */ | ||
109 | status = sh64_in64(DMAC_STATUS(chan)); | ||
110 | status &= ~DMAC_STATUS_TE; | ||
111 | sh64_out64(status, DMAC_STATUS(chan)); | ||
112 | |||
113 | return IRQ_HANDLED; | ||
114 | } | ||
115 | |||
116 | static struct irqaction irq_dmte = { | ||
117 | .handler = dma_mte, | ||
118 | .flags = IRQF_DISABLED, | ||
119 | .name = "DMA MTE", | ||
120 | }; | ||
121 | |||
122 | static irqreturn_t dma_err(int irq, void *dev_id, struct pt_regs *regs) | ||
123 | { | ||
124 | u64 tmp; | ||
125 | u8 chan; | ||
126 | |||
127 | printk(KERN_NOTICE "DMAC: Got a DMA Error!\n"); | ||
128 | |||
129 | tmp = sh64_in64(DMAC_COMMON_BASE); | ||
130 | |||
131 | /* Check for the type of error */ | ||
132 | if ((chan = tmp & DMAC_COMMON_AAE)) { | ||
133 | /* It's an address alignment error.. */ | ||
134 | printk(KERN_NOTICE "DMAC: Alignment error on channel %d, ", chan); | ||
135 | |||
136 | printk(KERN_NOTICE "SAR: 0x%08llx, DAR: 0x%08llx, COUNT: %lld\n", | ||
137 | (sh64_in64(DMAC_SAR(chan)) & DMAC_SAR_ADDR), | ||
138 | (sh64_in64(DMAC_DAR(chan)) & DMAC_DAR_ADDR), | ||
139 | (sh64_in64(DMAC_COUNT(chan)) & DMAC_COUNT_CNT)); | ||
140 | |||
141 | } else if ((chan = tmp & DMAC_COMMON_ER)) { | ||
142 | /* Something else went wrong.. */ | ||
143 | printk(KERN_NOTICE "DMAC: Error on channel %d\n", chan); | ||
144 | } | ||
145 | |||
146 | /* Reset the ME bit to clear the interrupt */ | ||
147 | tmp |= DMAC_COMMON_ME; | ||
148 | sh64_out64(tmp, DMAC_COMMON_BASE); | ||
149 | |||
150 | return IRQ_HANDLED; | ||
151 | } | ||
152 | |||
153 | static struct irqaction irq_derr = { | ||
154 | .handler = dma_err, | ||
155 | .flags = IRQF_DISABLED, | ||
156 | .name = "DMA Error", | ||
157 | }; | ||
158 | |||
159 | static inline unsigned long calc_xmit_shift(unsigned int chan) | ||
160 | { | ||
161 | return sh64_in64(DMAC_CTRL(chan)) & 0x03; | ||
162 | } | ||
163 | |||
164 | void setup_dma(unsigned int chan, dma_info_t *info) | ||
165 | { | ||
166 | unsigned int irq = DMA_IRQ_DMTE0 + chan; | ||
167 | dma_info_t *dma = dma_info + chan; | ||
168 | |||
169 | make_intc_irq(irq); | ||
170 | setup_irq(irq, &irq_dmte); | ||
171 | dma = info; | ||
172 | } | ||
173 | |||
174 | void enable_dma(unsigned int chan) | ||
175 | { | ||
176 | u64 ctrl; | ||
177 | |||
178 | ctrl = sh64_in64(DMAC_CTRL(chan)); | ||
179 | ctrl |= DMAC_CTRL_TE; | ||
180 | sh64_out64(ctrl, DMAC_CTRL(chan)); | ||
181 | } | ||
182 | |||
183 | void disable_dma(unsigned int chan) | ||
184 | { | ||
185 | u64 ctrl; | ||
186 | |||
187 | ctrl = sh64_in64(DMAC_CTRL(chan)); | ||
188 | ctrl &= ~DMAC_CTRL_TE; | ||
189 | sh64_out64(ctrl, DMAC_CTRL(chan)); | ||
190 | } | ||
191 | |||
192 | void set_dma_mode(unsigned int chan, char mode) | ||
193 | { | ||
194 | dma_info_t *info = dma_info + chan; | ||
195 | |||
196 | info->mode = mode; | ||
197 | |||
198 | set_dma_addr(chan, info->mem_addr); | ||
199 | set_dma_count(chan, info->count); | ||
200 | } | ||
201 | |||
202 | void set_dma_addr(unsigned int chan, unsigned int addr) | ||
203 | { | ||
204 | dma_info_t *info = dma_info + chan; | ||
205 | unsigned long sar, dar; | ||
206 | |||
207 | info->mem_addr = addr; | ||
208 | sar = (info->mode & DMA_MODE_WRITE) ? info->mem_addr : info->dev_addr; | ||
209 | dar = (info->mode & DMA_MODE_WRITE) ? info->dev_addr : info->mem_addr; | ||
210 | |||
211 | sh64_out64(sar & DMAC_SAR_ADDR, DMAC_SAR(chan)); | ||
212 | sh64_out64(dar & DMAC_SAR_ADDR, DMAC_DAR(chan)); | ||
213 | } | ||
214 | |||
215 | void set_dma_count(unsigned int chan, unsigned int count) | ||
216 | { | ||
217 | dma_info_t *info = dma_info + chan; | ||
218 | u64 tmp; | ||
219 | |||
220 | info->count = count; | ||
221 | |||
222 | tmp = (info->count >> calc_xmit_shift(chan)) & DMAC_COUNT_CNT; | ||
223 | |||
224 | sh64_out64(tmp, DMAC_COUNT(chan)); | ||
225 | } | ||
226 | |||
227 | unsigned long claim_dma_lock(void) | ||
228 | { | ||
229 | unsigned long flags; | ||
230 | |||
231 | spin_lock_irqsave(&dma_spin_lock, flags); | ||
232 | |||
233 | return flags; | ||
234 | } | ||
235 | |||
236 | void release_dma_lock(unsigned long flags) | ||
237 | { | ||
238 | spin_unlock_irqrestore(&dma_spin_lock, flags); | ||
239 | } | ||
240 | |||
241 | int get_dma_residue(unsigned int chan) | ||
242 | { | ||
243 | return sh64_in64(DMAC_COUNT(chan) << calc_xmit_shift(chan)); | ||
244 | } | ||
245 | |||
246 | int __init init_dma(void) | ||
247 | { | ||
248 | struct vcr_info vcr; | ||
249 | u64 tmp; | ||
250 | |||
251 | /* Remap the DMAC */ | ||
252 | dmac_base = onchip_remap(PHYS_DMAC_BLOCK, 1024, "DMAC"); | ||
253 | if (!dmac_base) { | ||
254 | printk(KERN_ERR "Unable to remap DMAC\n"); | ||
255 | return -ENOMEM; | ||
256 | } | ||
257 | |||
258 | /* Report DMAC.VCR Info */ | ||
259 | vcr = sh64_get_vcr_info(dmac_base); | ||
260 | printk("DMAC: Module ID: 0x%04x, Module version: 0x%04x\n", | ||
261 | vcr.mod_id, vcr.mod_vers); | ||
262 | |||
263 | /* Set the ME bit */ | ||
264 | tmp = sh64_in64(DMAC_COMMON_BASE); | ||
265 | tmp |= DMAC_COMMON_ME; | ||
266 | sh64_out64(tmp, DMAC_COMMON_BASE); | ||
267 | |||
268 | /* Enable the DMAC Error Interrupt */ | ||
269 | make_intc_irq(DMA_IRQ_DERR); | ||
270 | setup_irq(DMA_IRQ_DERR, &irq_derr); | ||
271 | |||
272 | return 0; | ||
273 | } | ||
274 | |||
275 | static void __exit exit_dma(void) | ||
276 | { | ||
277 | onchip_unmap(dmac_base); | ||
278 | free_irq(DMA_IRQ_DERR, 0); | ||
279 | } | ||
280 | |||
281 | module_init(init_dma); | ||
282 | module_exit(exit_dma); | ||
283 | |||
284 | MODULE_AUTHOR("Paul Mundt"); | ||
285 | MODULE_DESCRIPTION("DMA API for SH-5 DMAC"); | ||
286 | MODULE_LICENSE("GPL"); | ||
287 | |||
288 | EXPORT_SYMBOL(setup_dma); | ||
289 | EXPORT_SYMBOL(claim_dma_lock); | ||
290 | EXPORT_SYMBOL(release_dma_lock); | ||
291 | EXPORT_SYMBOL(enable_dma); | ||
292 | EXPORT_SYMBOL(disable_dma); | ||
293 | EXPORT_SYMBOL(set_dma_mode); | ||
294 | EXPORT_SYMBOL(set_dma_addr); | ||
295 | EXPORT_SYMBOL(set_dma_count); | ||
296 | EXPORT_SYMBOL(get_dma_residue); | ||
297 | |||
diff --git a/arch/sh64/kernel/early_printk.c b/arch/sh64/kernel/early_printk.c deleted file mode 100644 index 4f9131123672..000000000000 --- a/arch/sh64/kernel/early_printk.c +++ /dev/null | |||
@@ -1,99 +0,0 @@ | |||
1 | /* | ||
2 | * arch/sh64/kernel/early_printk.c | ||
3 | * | ||
4 | * SH-5 Early SCIF console (cloned and hacked from sh implementation) | ||
5 | * | ||
6 | * Copyright (C) 2003, 2004 Paul Mundt <lethal@linux-sh.org> | ||
7 | * Copyright (C) 2002 M. R. Brown <mrbrown@0xd6.org> | ||
8 | * | ||
9 | * This file is subject to the terms and conditions of the GNU General Public | ||
10 | * License. See the file "COPYING" in the main directory of this archive | ||
11 | * for more details. | ||
12 | */ | ||
13 | #include <linux/console.h> | ||
14 | #include <linux/tty.h> | ||
15 | #include <linux/init.h> | ||
16 | #include <asm/io.h> | ||
17 | #include <asm/hardware.h> | ||
18 | |||
19 | #define SCIF_BASE_ADDR 0x01030000 | ||
20 | #define SCIF_ADDR_SH5 PHYS_PERIPHERAL_BLOCK+SCIF_BASE_ADDR | ||
21 | |||
22 | /* | ||
23 | * Fixed virtual address where SCIF is mapped (should already be done | ||
24 | * in arch/sh64/kernel/head.S!). | ||
25 | */ | ||
26 | #define SCIF_REG 0xfa030000 | ||
27 | |||
28 | enum { | ||
29 | SCIF_SCSMR2 = SCIF_REG + 0x00, | ||
30 | SCIF_SCBRR2 = SCIF_REG + 0x04, | ||
31 | SCIF_SCSCR2 = SCIF_REG + 0x08, | ||
32 | SCIF_SCFTDR2 = SCIF_REG + 0x0c, | ||
33 | SCIF_SCFSR2 = SCIF_REG + 0x10, | ||
34 | SCIF_SCFRDR2 = SCIF_REG + 0x14, | ||
35 | SCIF_SCFCR2 = SCIF_REG + 0x18, | ||
36 | SCIF_SCFDR2 = SCIF_REG + 0x1c, | ||
37 | SCIF_SCSPTR2 = SCIF_REG + 0x20, | ||
38 | SCIF_SCLSR2 = SCIF_REG + 0x24, | ||
39 | }; | ||
40 | |||
41 | static void sh_console_putc(int c) | ||
42 | { | ||
43 | while (!(ctrl_inw(SCIF_SCFSR2) & 0x20)) | ||
44 | cpu_relax(); | ||
45 | |||
46 | ctrl_outb(c, SCIF_SCFTDR2); | ||
47 | ctrl_outw((ctrl_inw(SCIF_SCFSR2) & 0x9f), SCIF_SCFSR2); | ||
48 | |||
49 | if (c == '\n') | ||
50 | sh_console_putc('\r'); | ||
51 | } | ||
52 | |||
53 | static void sh_console_flush(void) | ||
54 | { | ||
55 | ctrl_outw((ctrl_inw(SCIF_SCFSR2) & 0xbf), SCIF_SCFSR2); | ||
56 | |||
57 | while (!(ctrl_inw(SCIF_SCFSR2) & 0x40)) | ||
58 | cpu_relax(); | ||
59 | |||
60 | ctrl_outw((ctrl_inw(SCIF_SCFSR2) & 0xbf), SCIF_SCFSR2); | ||
61 | } | ||
62 | |||
63 | static void sh_console_write(struct console *con, const char *s, unsigned count) | ||
64 | { | ||
65 | while (count-- > 0) | ||
66 | sh_console_putc(*s++); | ||
67 | |||
68 | sh_console_flush(); | ||
69 | } | ||
70 | |||
71 | static int __init sh_console_setup(struct console *con, char *options) | ||
72 | { | ||
73 | con->cflag = CREAD | HUPCL | CLOCAL | B19200 | CS8; | ||
74 | |||
75 | return 0; | ||
76 | } | ||
77 | |||
78 | static struct console sh_console = { | ||
79 | .name = "scifcon", | ||
80 | .write = sh_console_write, | ||
81 | .setup = sh_console_setup, | ||
82 | .flags = CON_PRINTBUFFER | CON_BOOT, | ||
83 | .index = -1, | ||
84 | }; | ||
85 | |||
86 | void __init enable_early_printk(void) | ||
87 | { | ||
88 | ctrl_outb(0x2a, SCIF_SCBRR2); /* 19200bps */ | ||
89 | |||
90 | ctrl_outw(0x04, SCIF_SCFCR2); /* Reset TFRST */ | ||
91 | ctrl_outw(0x10, SCIF_SCFCR2); /* TTRG0=1 */ | ||
92 | |||
93 | ctrl_outw(0, SCIF_SCSPTR2); | ||
94 | ctrl_outw(0x60, SCIF_SCFSR2); | ||
95 | ctrl_outw(0, SCIF_SCLSR2); | ||
96 | ctrl_outw(0x30, SCIF_SCSCR2); | ||
97 | |||
98 | register_console(&sh_console); | ||
99 | } | ||
diff --git a/arch/sh64/kernel/led.c b/arch/sh64/kernel/led.c deleted file mode 100644 index e35d3f667fb4..000000000000 --- a/arch/sh64/kernel/led.c +++ /dev/null | |||
@@ -1,40 +0,0 @@ | |||
1 | /* | ||
2 | * arch/sh64/kernel/led.c | ||
3 | * | ||
4 | * Copyright (C) 2002 Stuart Menefy <stuart.menefy@st.com> | ||
5 | * | ||
6 | * May be copied or modified under the terms of the GNU General Public | ||
7 | * License. See linux/COPYING for more information. | ||
8 | * | ||
9 | * Flash the LEDs | ||
10 | */ | ||
11 | #include <linux/stddef.h> | ||
12 | #include <linux/sched.h> | ||
13 | |||
14 | void mach_led(int pos, int val); | ||
15 | |||
16 | /* acts like an actual heart beat -- ie thump-thump-pause... */ | ||
17 | void heartbeat(void) | ||
18 | { | ||
19 | static unsigned int cnt = 0, period = 0, dist = 0; | ||
20 | |||
21 | if (cnt == 0 || cnt == dist) { | ||
22 | mach_led(-1, 1); | ||
23 | } else if (cnt == 7 || cnt == dist + 7) { | ||
24 | mach_led(-1, 0); | ||
25 | } | ||
26 | |||
27 | if (++cnt > period) { | ||
28 | cnt = 0; | ||
29 | |||
30 | /* | ||
31 | * The hyperbolic function below modifies the heartbeat period | ||
32 | * length in dependency of the current (5min) load. It goes | ||
33 | * through the points f(0)=126, f(1)=86, f(5)=51, f(inf)->30. | ||
34 | */ | ||
35 | period = ((672 << FSHIFT) / (5 * avenrun[0] + | ||
36 | (7 << FSHIFT))) + 30; | ||
37 | dist = period / 4; | ||
38 | } | ||
39 | } | ||
40 | |||
diff --git a/arch/sh64/kernel/pcibios.c b/arch/sh64/kernel/pcibios.c deleted file mode 100644 index 945920bc24db..000000000000 --- a/arch/sh64/kernel/pcibios.c +++ /dev/null | |||
@@ -1,168 +0,0 @@ | |||
1 | /* | ||
2 | * $Id: pcibios.c,v 1.1 2001/08/24 12:38:19 dwmw2 Exp $ | ||
3 | * | ||
4 | * arch/sh/kernel/pcibios.c | ||
5 | * | ||
6 | * Copyright (C) 2002 STMicroelectronics Limited | ||
7 | * Author : David J. McKay | ||
8 | * | ||
9 | * Copyright (C) 2004 Richard Curnow, SuperH UK Limited | ||
10 | * | ||
11 | * This file is subject to the terms and conditions of the GNU General Public | ||
12 | * License. See the file "COPYING" in the main directory of this archive | ||
13 | * for more details. | ||
14 | * This is GPL'd. | ||
15 | * | ||
16 | * Provided here are generic versions of: | ||
17 | * pcibios_update_resource() | ||
18 | * pcibios_align_resource() | ||
19 | * pcibios_enable_device() | ||
20 | * pcibios_set_master() | ||
21 | * pcibios_update_irq() | ||
22 | * | ||
23 | * These functions are collected here to reduce duplication of common | ||
24 | * code amongst the many platform-specific PCI support code files. | ||
25 | * | ||
26 | * Platform-specific files are expected to provide: | ||
27 | * pcibios_fixup_bus() | ||
28 | * pcibios_init() | ||
29 | * pcibios_setup() | ||
30 | * pcibios_fixup_pbus_ranges() | ||
31 | */ | ||
32 | |||
33 | #include <linux/kernel.h> | ||
34 | #include <linux/pci.h> | ||
35 | #include <linux/init.h> | ||
36 | |||
37 | void | ||
38 | pcibios_update_resource(struct pci_dev *dev, struct resource *root, | ||
39 | struct resource *res, int resource) | ||
40 | { | ||
41 | u32 new, check; | ||
42 | int reg; | ||
43 | |||
44 | new = res->start | (res->flags & PCI_REGION_FLAG_MASK); | ||
45 | if (resource < 6) { | ||
46 | reg = PCI_BASE_ADDRESS_0 + 4*resource; | ||
47 | } else if (resource == PCI_ROM_RESOURCE) { | ||
48 | res->flags |= IORESOURCE_ROM_ENABLE; | ||
49 | new |= PCI_ROM_ADDRESS_ENABLE; | ||
50 | reg = dev->rom_base_reg; | ||
51 | } else { | ||
52 | /* Somebody might have asked allocation of a non-standard resource */ | ||
53 | return; | ||
54 | } | ||
55 | |||
56 | pci_write_config_dword(dev, reg, new); | ||
57 | pci_read_config_dword(dev, reg, &check); | ||
58 | if ((new ^ check) & ((new & PCI_BASE_ADDRESS_SPACE_IO) ? PCI_BASE_ADDRESS_IO_MASK : PCI_BASE_ADDRESS_MEM_MASK)) { | ||
59 | printk(KERN_ERR "PCI: Error while updating region " | ||
60 | "%s/%d (%08x != %08x)\n", pci_name(dev), resource, | ||
61 | new, check); | ||
62 | } | ||
63 | } | ||
64 | |||
65 | /* | ||
66 | * We need to avoid collisions with `mirrored' VGA ports | ||
67 | * and other strange ISA hardware, so we always want the | ||
68 | * addresses to be allocated in the 0x000-0x0ff region | ||
69 | * modulo 0x400. | ||
70 | */ | ||
71 | void pcibios_align_resource(void *data, struct resource *res, | ||
72 | resource_size_t size, resource_size_t align) | ||
73 | { | ||
74 | if (res->flags & IORESOURCE_IO) { | ||
75 | resource_size_t start = res->start; | ||
76 | |||
77 | if (start & 0x300) { | ||
78 | start = (start + 0x3ff) & ~0x3ff; | ||
79 | res->start = start; | ||
80 | } | ||
81 | } | ||
82 | } | ||
83 | |||
84 | static void pcibios_enable_bridge(struct pci_dev *dev) | ||
85 | { | ||
86 | struct pci_bus *bus = dev->subordinate; | ||
87 | u16 cmd, old_cmd; | ||
88 | |||
89 | pci_read_config_word(dev, PCI_COMMAND, &cmd); | ||
90 | old_cmd = cmd; | ||
91 | |||
92 | if (bus->resource[0]->flags & IORESOURCE_IO) { | ||
93 | cmd |= PCI_COMMAND_IO; | ||
94 | } | ||
95 | if ((bus->resource[1]->flags & IORESOURCE_MEM) || | ||
96 | (bus->resource[2]->flags & IORESOURCE_PREFETCH)) { | ||
97 | cmd |= PCI_COMMAND_MEMORY; | ||
98 | } | ||
99 | |||
100 | if (cmd != old_cmd) { | ||
101 | pci_write_config_word(dev, PCI_COMMAND, cmd); | ||
102 | } | ||
103 | |||
104 | printk("PCI bridge %s, command register -> %04x\n", | ||
105 | pci_name(dev), cmd); | ||
106 | |||
107 | } | ||
108 | |||
109 | |||
110 | |||
111 | int pcibios_enable_device(struct pci_dev *dev, int mask) | ||
112 | { | ||
113 | u16 cmd, old_cmd; | ||
114 | int idx; | ||
115 | struct resource *r; | ||
116 | |||
117 | if ((dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) { | ||
118 | pcibios_enable_bridge(dev); | ||
119 | } | ||
120 | |||
121 | pci_read_config_word(dev, PCI_COMMAND, &cmd); | ||
122 | old_cmd = cmd; | ||
123 | for(idx=0; idx<6; idx++) { | ||
124 | if (!(mask & (1 << idx))) | ||
125 | continue; | ||
126 | r = &dev->resource[idx]; | ||
127 | if (!r->start && r->end) { | ||
128 | printk(KERN_ERR "PCI: Device %s not available because of resource collisions\n", pci_name(dev)); | ||
129 | return -EINVAL; | ||
130 | } | ||
131 | if (r->flags & IORESOURCE_IO) | ||
132 | cmd |= PCI_COMMAND_IO; | ||
133 | if (r->flags & IORESOURCE_MEM) | ||
134 | cmd |= PCI_COMMAND_MEMORY; | ||
135 | } | ||
136 | if (dev->resource[PCI_ROM_RESOURCE].start) | ||
137 | cmd |= PCI_COMMAND_MEMORY; | ||
138 | if (cmd != old_cmd) { | ||
139 | printk(KERN_INFO "PCI: Enabling device %s (%04x -> %04x)\n", pci_name(dev), old_cmd, cmd); | ||
140 | pci_write_config_word(dev, PCI_COMMAND, cmd); | ||
141 | } | ||
142 | return 0; | ||
143 | } | ||
144 | |||
145 | /* | ||
146 | * If we set up a device for bus mastering, we need to check and set | ||
147 | * the latency timer as it may not be properly set. | ||
148 | */ | ||
149 | unsigned int pcibios_max_latency = 255; | ||
150 | |||
151 | void pcibios_set_master(struct pci_dev *dev) | ||
152 | { | ||
153 | u8 lat; | ||
154 | pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); | ||
155 | if (lat < 16) | ||
156 | lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency; | ||
157 | else if (lat > pcibios_max_latency) | ||
158 | lat = pcibios_max_latency; | ||
159 | else | ||
160 | return; | ||
161 | printk(KERN_INFO "PCI: Setting latency timer of device %s to %d\n", pci_name(dev), lat); | ||
162 | pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); | ||
163 | } | ||
164 | |||
165 | void __init pcibios_update_irq(struct pci_dev *dev, int irq) | ||
166 | { | ||
167 | pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); | ||
168 | } | ||
diff --git a/arch/sh64/kernel/setup.c b/arch/sh64/kernel/setup.c deleted file mode 100644 index 2b7264c0c6f7..000000000000 --- a/arch/sh64/kernel/setup.c +++ /dev/null | |||
@@ -1,379 +0,0 @@ | |||
1 | /* | ||
2 | * This file is subject to the terms and conditions of the GNU General Public | ||
3 | * License. See the file "COPYING" in the main directory of this archive | ||
4 | * for more details. | ||
5 | * | ||
6 | * arch/sh64/kernel/setup.c | ||
7 | * | ||
8 | * sh64 Arch Support | ||
9 | * | ||
10 | * This file handles the architecture-dependent parts of initialization | ||
11 | * | ||
12 | * Copyright (C) 2000, 2001 Paolo Alberelli | ||
13 | * Copyright (C) 2003, 2004 Paul Mundt | ||
14 | * | ||
15 | * benedict.gaster@superh.com: 2nd May 2002 | ||
16 | * Modified to use the empty_zero_page to pass command line arguments. | ||
17 | * | ||
18 | * benedict.gaster@superh.com: 3rd May 2002 | ||
19 | * Added support for ramdisk, removing statically linked romfs at the same time. | ||
20 | * | ||
21 | * lethal@linux-sh.org: 15th May 2003 | ||
22 | * Added generic procfs cpuinfo reporting. Make boards just export their name. | ||
23 | * | ||
24 | * lethal@linux-sh.org: 25th May 2003 | ||
25 | * Added generic get_cpu_subtype() for subtype reporting from cpu_data->type. | ||
26 | * | ||
27 | */ | ||
28 | #include <linux/errno.h> | ||
29 | #include <linux/rwsem.h> | ||
30 | #include <linux/sched.h> | ||
31 | #include <linux/kernel.h> | ||
32 | #include <linux/mm.h> | ||
33 | #include <linux/stddef.h> | ||
34 | #include <linux/unistd.h> | ||
35 | #include <linux/ptrace.h> | ||
36 | #include <linux/slab.h> | ||
37 | #include <linux/user.h> | ||
38 | #include <linux/a.out.h> | ||
39 | #include <linux/screen_info.h> | ||
40 | #include <linux/ioport.h> | ||
41 | #include <linux/delay.h> | ||
42 | #include <linux/init.h> | ||
43 | #include <linux/seq_file.h> | ||
44 | #include <linux/blkdev.h> | ||
45 | #include <linux/bootmem.h> | ||
46 | #include <linux/console.h> | ||
47 | #include <linux/root_dev.h> | ||
48 | #include <linux/cpu.h> | ||
49 | #include <linux/initrd.h> | ||
50 | #include <linux/pfn.h> | ||
51 | #include <asm/processor.h> | ||
52 | #include <asm/page.h> | ||
53 | #include <asm/pgtable.h> | ||
54 | #include <asm/platform.h> | ||
55 | #include <asm/uaccess.h> | ||
56 | #include <asm/system.h> | ||
57 | #include <asm/io.h> | ||
58 | #include <asm/sections.h> | ||
59 | #include <asm/setup.h> | ||
60 | #include <asm/smp.h> | ||
61 | |||
62 | struct screen_info screen_info; | ||
63 | |||
64 | #ifdef CONFIG_BLK_DEV_RAM | ||
65 | extern int rd_doload; /* 1 = load ramdisk, 0 = don't load */ | ||
66 | extern int rd_prompt; /* 1 = prompt for ramdisk, 0 = don't prompt */ | ||
67 | extern int rd_image_start; /* starting block # of image */ | ||
68 | #endif | ||
69 | |||
70 | extern int root_mountflags; | ||
71 | extern char *get_system_type(void); | ||
72 | extern void platform_setup(void); | ||
73 | extern void platform_monitor(void); | ||
74 | extern void platform_reserve(void); | ||
75 | extern int sh64_cache_init(void); | ||
76 | extern int sh64_tlb_init(void); | ||
77 | |||
78 | #define RAMDISK_IMAGE_START_MASK 0x07FF | ||
79 | #define RAMDISK_PROMPT_FLAG 0x8000 | ||
80 | #define RAMDISK_LOAD_FLAG 0x4000 | ||
81 | |||
82 | static char __initdata command_line[COMMAND_LINE_SIZE] = { 0, }; | ||
83 | unsigned long long memory_start = CONFIG_MEMORY_START; | ||
84 | unsigned long long memory_end = CONFIG_MEMORY_START + (CONFIG_MEMORY_SIZE_IN_MB * 1024 * 1024); | ||
85 | |||
86 | struct sh_cpuinfo boot_cpu_data; | ||
87 | |||
88 | static inline void parse_mem_cmdline (char ** cmdline_p) | ||
89 | { | ||
90 | char c = ' ', *to = command_line, *from = COMMAND_LINE; | ||
91 | int len = 0; | ||
92 | |||
93 | /* Save unparsed command line copy for /proc/cmdline */ | ||
94 | memcpy(boot_command_line, COMMAND_LINE, COMMAND_LINE_SIZE); | ||
95 | boot_command_line[COMMAND_LINE_SIZE-1] = '\0'; | ||
96 | |||
97 | for (;;) { | ||
98 | /* | ||
99 | * "mem=XXX[kKmM]" defines a size of memory. | ||
100 | */ | ||
101 | if (c == ' ' && !memcmp(from, "mem=", 4)) { | ||
102 | if (to != command_line) | ||
103 | to--; | ||
104 | { | ||
105 | unsigned long mem_size; | ||
106 | |||
107 | mem_size = memparse(from+4, &from); | ||
108 | memory_end = memory_start + mem_size; | ||
109 | } | ||
110 | } | ||
111 | c = *(from++); | ||
112 | if (!c) | ||
113 | break; | ||
114 | if (COMMAND_LINE_SIZE <= ++len) | ||
115 | break; | ||
116 | *(to++) = c; | ||
117 | } | ||
118 | *to = '\0'; | ||
119 | |||
120 | *cmdline_p = command_line; | ||
121 | } | ||
122 | |||
123 | static void __init sh64_cpu_type_detect(void) | ||
124 | { | ||
125 | extern unsigned long long peek_real_address_q(unsigned long long addr); | ||
126 | unsigned long long cir; | ||
127 | /* Do peeks in real mode to avoid having to set up a mapping for the | ||
128 | WPC registers. On SH5-101 cut2, such a mapping would be exposed to | ||
129 | an address translation erratum which would make it hard to set up | ||
130 | correctly. */ | ||
131 | cir = peek_real_address_q(0x0d000008); | ||
132 | |||
133 | if ((cir & 0xffff) == 0x5103) { | ||
134 | boot_cpu_data.type = CPU_SH5_103; | ||
135 | } else if (((cir >> 32) & 0xffff) == 0x51e2) { | ||
136 | /* CPU.VCR aliased at CIR address on SH5-101 */ | ||
137 | boot_cpu_data.type = CPU_SH5_101; | ||
138 | } else { | ||
139 | boot_cpu_data.type = CPU_SH_NONE; | ||
140 | } | ||
141 | } | ||
142 | |||
143 | void __init setup_arch(char **cmdline_p) | ||
144 | { | ||
145 | unsigned long bootmap_size, i; | ||
146 | unsigned long first_pfn, start_pfn, last_pfn, pages; | ||
147 | |||
148 | #ifdef CONFIG_EARLY_PRINTK | ||
149 | extern void enable_early_printk(void); | ||
150 | |||
151 | /* | ||
152 | * Setup Early SCIF console | ||
153 | */ | ||
154 | enable_early_printk(); | ||
155 | #endif | ||
156 | |||
157 | /* | ||
158 | * Setup TLB mappings | ||
159 | */ | ||
160 | sh64_tlb_init(); | ||
161 | |||
162 | /* | ||
163 | * Caches are already initialized by the time we get here, so we just | ||
164 | * fill in cpu_data info for the caches. | ||
165 | */ | ||
166 | sh64_cache_init(); | ||
167 | |||
168 | platform_setup(); | ||
169 | platform_monitor(); | ||
170 | |||
171 | sh64_cpu_type_detect(); | ||
172 | |||
173 | ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV); | ||
174 | |||
175 | #ifdef CONFIG_BLK_DEV_RAM | ||
176 | rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK; | ||
177 | rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0); | ||
178 | rd_doload = ((RAMDISK_FLAGS & RAMDISK_LOAD_FLAG) != 0); | ||
179 | #endif | ||
180 | |||
181 | if (!MOUNT_ROOT_RDONLY) | ||
182 | root_mountflags &= ~MS_RDONLY; | ||
183 | init_mm.start_code = (unsigned long) _text; | ||
184 | init_mm.end_code = (unsigned long) _etext; | ||
185 | init_mm.end_data = (unsigned long) _edata; | ||
186 | init_mm.brk = (unsigned long) _end; | ||
187 | |||
188 | code_resource.start = __pa(_text); | ||
189 | code_resource.end = __pa(_etext)-1; | ||
190 | data_resource.start = __pa(_etext); | ||
191 | data_resource.end = __pa(_edata)-1; | ||
192 | |||
193 | parse_mem_cmdline(cmdline_p); | ||
194 | |||
195 | /* | ||
196 | * Find the lowest and highest page frame numbers we have available | ||
197 | */ | ||
198 | first_pfn = PFN_DOWN(memory_start); | ||
199 | last_pfn = PFN_DOWN(memory_end); | ||
200 | pages = last_pfn - first_pfn; | ||
201 | |||
202 | /* | ||
203 | * Partially used pages are not usable - thus | ||
204 | * we are rounding upwards: | ||
205 | */ | ||
206 | start_pfn = PFN_UP(__pa(_end)); | ||
207 | |||
208 | /* | ||
209 | * Find a proper area for the bootmem bitmap. After this | ||
210 | * bootstrap step all allocations (until the page allocator | ||
211 | * is intact) must be done via bootmem_alloc(). | ||
212 | */ | ||
213 | bootmap_size = init_bootmem_node(NODE_DATA(0), start_pfn, | ||
214 | first_pfn, | ||
215 | last_pfn); | ||
216 | /* | ||
217 | * Round it up. | ||
218 | */ | ||
219 | bootmap_size = PFN_PHYS(PFN_UP(bootmap_size)); | ||
220 | |||
221 | /* | ||
222 | * Register fully available RAM pages with the bootmem allocator. | ||
223 | */ | ||
224 | free_bootmem_node(NODE_DATA(0), PFN_PHYS(first_pfn), PFN_PHYS(pages)); | ||
225 | |||
226 | /* | ||
227 | * Reserve all kernel sections + bootmem bitmap + a guard page. | ||
228 | */ | ||
229 | reserve_bootmem_node(NODE_DATA(0), PFN_PHYS(first_pfn), | ||
230 | (PFN_PHYS(start_pfn) + bootmap_size + PAGE_SIZE) - PFN_PHYS(first_pfn)); | ||
231 | |||
232 | /* | ||
233 | * Reserve platform dependent sections | ||
234 | */ | ||
235 | platform_reserve(); | ||
236 | |||
237 | #ifdef CONFIG_BLK_DEV_INITRD | ||
238 | if (LOADER_TYPE && INITRD_START) { | ||
239 | if (INITRD_START + INITRD_SIZE <= (PFN_PHYS(last_pfn))) { | ||
240 | reserve_bootmem_node(NODE_DATA(0), INITRD_START + __MEMORY_START, INITRD_SIZE); | ||
241 | |||
242 | initrd_start = (long) INITRD_START + PAGE_OFFSET + __MEMORY_START; | ||
243 | initrd_end = initrd_start + INITRD_SIZE; | ||
244 | } else { | ||
245 | printk("initrd extends beyond end of memory " | ||
246 | "(0x%08lx > 0x%08lx)\ndisabling initrd\n", | ||
247 | (long) INITRD_START + INITRD_SIZE, | ||
248 | PFN_PHYS(last_pfn)); | ||
249 | initrd_start = 0; | ||
250 | } | ||
251 | } | ||
252 | #endif | ||
253 | |||
254 | /* | ||
255 | * Claim all RAM, ROM, and I/O resources. | ||
256 | */ | ||
257 | |||
258 | /* Kernel RAM */ | ||
259 | request_resource(&iomem_resource, &code_resource); | ||
260 | request_resource(&iomem_resource, &data_resource); | ||
261 | |||
262 | /* Other KRAM space */ | ||
263 | for (i = 0; i < STANDARD_KRAM_RESOURCES - 2; i++) | ||
264 | request_resource(&iomem_resource, | ||
265 | &platform_parms.kram_res_p[i]); | ||
266 | |||
267 | /* XRAM space */ | ||
268 | for (i = 0; i < STANDARD_XRAM_RESOURCES; i++) | ||
269 | request_resource(&iomem_resource, | ||
270 | &platform_parms.xram_res_p[i]); | ||
271 | |||
272 | /* ROM space */ | ||
273 | for (i = 0; i < STANDARD_ROM_RESOURCES; i++) | ||
274 | request_resource(&iomem_resource, | ||
275 | &platform_parms.rom_res_p[i]); | ||
276 | |||
277 | /* I/O space */ | ||
278 | for (i = 0; i < STANDARD_IO_RESOURCES; i++) | ||
279 | request_resource(&ioport_resource, | ||
280 | &platform_parms.io_res_p[i]); | ||
281 | |||
282 | |||
283 | #ifdef CONFIG_VT | ||
284 | #if defined(CONFIG_VGA_CONSOLE) | ||
285 | conswitchp = &vga_con; | ||
286 | #elif defined(CONFIG_DUMMY_CONSOLE) | ||
287 | conswitchp = &dummy_con; | ||
288 | #endif | ||
289 | #endif | ||
290 | |||
291 | printk("Hardware FPU: %s\n", fpu_in_use ? "enabled" : "disabled"); | ||
292 | |||
293 | paging_init(); | ||
294 | } | ||
295 | |||
296 | void __xchg_called_with_bad_pointer(void) | ||
297 | { | ||
298 | printk(KERN_EMERG "xchg() called with bad pointer !\n"); | ||
299 | } | ||
300 | |||
301 | static struct cpu cpu[1]; | ||
302 | |||
303 | static int __init topology_init(void) | ||
304 | { | ||
305 | return register_cpu(cpu, 0); | ||
306 | } | ||
307 | |||
308 | subsys_initcall(topology_init); | ||
309 | |||
310 | /* | ||
311 | * Get CPU information | ||
312 | */ | ||
313 | static const char *cpu_name[] = { | ||
314 | [CPU_SH5_101] = "SH5-101", | ||
315 | [CPU_SH5_103] = "SH5-103", | ||
316 | [CPU_SH_NONE] = "Unknown", | ||
317 | }; | ||
318 | |||
319 | const char *get_cpu_subtype(void) | ||
320 | { | ||
321 | return cpu_name[boot_cpu_data.type]; | ||
322 | } | ||
323 | |||
324 | #ifdef CONFIG_PROC_FS | ||
325 | static int show_cpuinfo(struct seq_file *m,void *v) | ||
326 | { | ||
327 | unsigned int cpu = smp_processor_id(); | ||
328 | |||
329 | if (!cpu) | ||
330 | seq_printf(m, "machine\t\t: %s\n", get_system_type()); | ||
331 | |||
332 | seq_printf(m, "processor\t: %d\n", cpu); | ||
333 | seq_printf(m, "cpu family\t: SH-5\n"); | ||
334 | seq_printf(m, "cpu type\t: %s\n", get_cpu_subtype()); | ||
335 | |||
336 | seq_printf(m, "icache size\t: %dK-bytes\n", | ||
337 | (boot_cpu_data.icache.ways * | ||
338 | boot_cpu_data.icache.sets * | ||
339 | boot_cpu_data.icache.linesz) >> 10); | ||
340 | seq_printf(m, "dcache size\t: %dK-bytes\n", | ||
341 | (boot_cpu_data.dcache.ways * | ||
342 | boot_cpu_data.dcache.sets * | ||
343 | boot_cpu_data.dcache.linesz) >> 10); | ||
344 | seq_printf(m, "itlb entries\t: %d\n", boot_cpu_data.itlb.entries); | ||
345 | seq_printf(m, "dtlb entries\t: %d\n", boot_cpu_data.dtlb.entries); | ||
346 | |||
347 | #define PRINT_CLOCK(name, value) \ | ||
348 | seq_printf(m, name " clock\t: %d.%02dMHz\n", \ | ||
349 | ((value) / 1000000), ((value) % 1000000)/10000) | ||
350 | |||
351 | PRINT_CLOCK("cpu", boot_cpu_data.cpu_clock); | ||
352 | PRINT_CLOCK("bus", boot_cpu_data.bus_clock); | ||
353 | PRINT_CLOCK("module", boot_cpu_data.module_clock); | ||
354 | |||
355 | seq_printf(m, "bogomips\t: %lu.%02lu\n\n", | ||
356 | (loops_per_jiffy*HZ+2500)/500000, | ||
357 | ((loops_per_jiffy*HZ+2500)/5000) % 100); | ||
358 | |||
359 | return 0; | ||
360 | } | ||
361 | |||
362 | static void *c_start(struct seq_file *m, loff_t *pos) | ||
363 | { | ||
364 | return (void*)(*pos == 0); | ||
365 | } | ||
366 | static void *c_next(struct seq_file *m, void *v, loff_t *pos) | ||
367 | { | ||
368 | return NULL; | ||
369 | } | ||
370 | static void c_stop(struct seq_file *m, void *v) | ||
371 | { | ||
372 | } | ||
373 | struct seq_operations cpuinfo_op = { | ||
374 | .start = c_start, | ||
375 | .next = c_next, | ||
376 | .stop = c_stop, | ||
377 | .show = show_cpuinfo, | ||
378 | }; | ||
379 | #endif /* CONFIG_PROC_FS */ | ||