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authorPaul Mundt <lethal@linux-sh.org>2007-11-21 09:27:52 -0500
committerPaul Mundt <lethal@linux-sh.org>2008-01-27 23:18:55 -0500
commitb4eaa1cc7ce8203ac9af9184c49c635ce79592b1 (patch)
tree83d71382fed9cc992cd6a1c23e6ec28fef304f2a
parent18bc81319b438ae3266e1b2653ce874912dae891 (diff)
sh: Kill off the rest of arch/sh64/kernel/.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat
-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_322
-rw-r--r--arch/sh/kernel/Makefile_642
-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/Makefile36
-rw-r--r--arch/sh64/kernel/alphanum.c43
-rw-r--r--arch/sh64/kernel/dma.c297
-rw-r--r--arch/sh64/kernel/early_printk.c99
-rw-r--r--arch/sh64/kernel/led.c40
-rw-r--r--arch/sh64/kernel/pcibios.c168
-rw-r--r--arch/sh64/kernel/setup.c379
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
7obj-y := debugtraps.o io.o io_generic.o irq.o machvec.o process_32.o \ 7obj-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
11obj-y += cpu/ timers/ 11obj-y += cpu/ timers/
12obj-$(CONFIG_VSYSCALL) += vsyscall/ 12obj-$(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
3obj-y := debugtraps.o io.o io_generic.o irq.o machvec.o process_64.o \ 3obj-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
7obj-y += cpu/ timers/ 7obj-y += cpu/ timers/
8obj-$(CONFIG_VSYSCALL) += vsyscall/ 8obj-$(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
16extra-y := head.o init_task.o vmlinux.lds
17
18obj-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
22obj-$(CONFIG_HEARTBEAT) += led.o
23obj-$(CONFIG_SH_ALPHANUMERIC) += alphanum.o
24obj-$(CONFIG_SH_DMA) += dma.o
25obj-$(CONFIG_SH_FPU) += fpu.o
26obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
27obj-$(CONFIG_KALLSYMS) += unwind.o
28obj-$(CONFIG_PCI) += pcibios.o
29obj-$(CONFIG_MODULES) += module.o
30
31ifeq ($(CONFIG_PCI),y)
32obj-$(CONFIG_CPU_SH5) += pci_sh5.o
33endif
34
35USE_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
15void mach_alphanum(int pos, unsigned char val);
16
17void 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
32void 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
25typedef 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
33static dma_info_t dma_info[MAX_DMA_CHANNELS];
34static DEFINE_SPINLOCK(dma_spin_lock);
35
36/* arch/sh64/kernel/irq_intc.c */
37extern 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
89static unsigned long dmac_base;
90
91void set_dma_count(unsigned int chan, unsigned int count);
92void set_dma_addr(unsigned int chan, unsigned int addr);
93
94static 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
116static struct irqaction irq_dmte = {
117 .handler = dma_mte,
118 .flags = IRQF_DISABLED,
119 .name = "DMA MTE",
120};
121
122static 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
153static struct irqaction irq_derr = {
154 .handler = dma_err,
155 .flags = IRQF_DISABLED,
156 .name = "DMA Error",
157};
158
159static inline unsigned long calc_xmit_shift(unsigned int chan)
160{
161 return sh64_in64(DMAC_CTRL(chan)) & 0x03;
162}
163
164void 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
174void 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
183void 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
192void 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
202void 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
215void 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
227unsigned 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
236void release_dma_lock(unsigned long flags)
237{
238 spin_unlock_irqrestore(&dma_spin_lock, flags);
239}
240
241int get_dma_residue(unsigned int chan)
242{
243 return sh64_in64(DMAC_COUNT(chan) << calc_xmit_shift(chan));
244}
245
246int __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
275static void __exit exit_dma(void)
276{
277 onchip_unmap(dmac_base);
278 free_irq(DMA_IRQ_DERR, 0);
279}
280
281module_init(init_dma);
282module_exit(exit_dma);
283
284MODULE_AUTHOR("Paul Mundt");
285MODULE_DESCRIPTION("DMA API for SH-5 DMAC");
286MODULE_LICENSE("GPL");
287
288EXPORT_SYMBOL(setup_dma);
289EXPORT_SYMBOL(claim_dma_lock);
290EXPORT_SYMBOL(release_dma_lock);
291EXPORT_SYMBOL(enable_dma);
292EXPORT_SYMBOL(disable_dma);
293EXPORT_SYMBOL(set_dma_mode);
294EXPORT_SYMBOL(set_dma_addr);
295EXPORT_SYMBOL(set_dma_count);
296EXPORT_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
28enum {
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
41static 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
53static 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
63static 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
71static 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
78static 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
86void __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
14void mach_led(int pos, int val);
15
16/* acts like an actual heart beat -- ie thump-thump-pause... */
17void 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
37void
38pcibios_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 */
71void 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
84static 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
111int 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 */
149unsigned int pcibios_max_latency = 255;
150
151void 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
165void __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
62struct screen_info screen_info;
63
64#ifdef CONFIG_BLK_DEV_RAM
65extern int rd_doload; /* 1 = load ramdisk, 0 = don't load */
66extern int rd_prompt; /* 1 = prompt for ramdisk, 0 = don't prompt */
67extern int rd_image_start; /* starting block # of image */
68#endif
69
70extern int root_mountflags;
71extern char *get_system_type(void);
72extern void platform_setup(void);
73extern void platform_monitor(void);
74extern void platform_reserve(void);
75extern int sh64_cache_init(void);
76extern 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
82static char __initdata command_line[COMMAND_LINE_SIZE] = { 0, };
83unsigned long long memory_start = CONFIG_MEMORY_START;
84unsigned long long memory_end = CONFIG_MEMORY_START + (CONFIG_MEMORY_SIZE_IN_MB * 1024 * 1024);
85
86struct sh_cpuinfo boot_cpu_data;
87
88static 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
123static 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
143void __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
296void __xchg_called_with_bad_pointer(void)
297{
298 printk(KERN_EMERG "xchg() called with bad pointer !\n");
299}
300
301static struct cpu cpu[1];
302
303static int __init topology_init(void)
304{
305 return register_cpu(cpu, 0);
306}
307
308subsys_initcall(topology_init);
309
310/*
311 * Get CPU information
312 */
313static const char *cpu_name[] = {
314 [CPU_SH5_101] = "SH5-101",
315 [CPU_SH5_103] = "SH5-103",
316 [CPU_SH_NONE] = "Unknown",
317};
318
319const char *get_cpu_subtype(void)
320{
321 return cpu_name[boot_cpu_data.type];
322}
323
324#ifdef CONFIG_PROC_FS
325static 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
362static void *c_start(struct seq_file *m, loff_t *pos)
363{
364 return (void*)(*pos == 0);
365}
366static void *c_next(struct seq_file *m, void *v, loff_t *pos)
367{
368 return NULL;
369}
370static void c_stop(struct seq_file *m, void *v)
371{
372}
373struct 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 */
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-08 17:28:02 -0400