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-rw-r--r--arch/sh/boards/superh/microdev/irq.c39
-rw-r--r--arch/sh/boards/superh/microdev/setup.c113
2 files changed, 61 insertions, 91 deletions
diff --git a/arch/sh/boards/superh/microdev/irq.c b/arch/sh/boards/superh/microdev/irq.c
index 236398fbc08..8c64baa3036 100644
--- a/arch/sh/boards/superh/microdev/irq.c
+++ b/arch/sh/boards/superh/microdev/irq.c
@@ -11,14 +11,12 @@
11 11
12#include <linux/init.h> 12#include <linux/init.h>
13#include <linux/irq.h> 13#include <linux/irq.h>
14
15#include <asm/system.h> 14#include <asm/system.h>
16#include <asm/io.h> 15#include <asm/io.h>
17#include <asm/microdev.h> 16#include <asm/microdev.h>
18 17
19#define NUM_EXTERNAL_IRQS 16 /* IRL0 .. IRL15 */ 18#define NUM_EXTERNAL_IRQS 16 /* IRL0 .. IRL15 */
20 19
21
22static const struct { 20static const struct {
23 unsigned char fpgaIrq; 21 unsigned char fpgaIrq;
24 unsigned char mapped; 22 unsigned char mapped;
@@ -93,53 +91,42 @@ static struct hw_interrupt_type microdev_irq_type = {
93 91
94static void disable_microdev_irq(unsigned int irq) 92static void disable_microdev_irq(unsigned int irq)
95{ 93{
96 unsigned int flags;
97 unsigned int fpgaIrq; 94 unsigned int fpgaIrq;
98 95
99 if (irq >= NUM_EXTERNAL_IRQS) return; 96 if (irq >= NUM_EXTERNAL_IRQS)
100 if (!fpgaIrqTable[irq].mapped) return; 97 return;
98 if (!fpgaIrqTable[irq].mapped)
99 return;
101 100
102 fpgaIrq = fpgaIrqTable[irq].fpgaIrq; 101 fpgaIrq = fpgaIrqTable[irq].fpgaIrq;
103 102
104 /* disable interrupts */ 103 /* disable interupts on the FPGA INTC register */
105 local_irq_save(flags);
106
107 /* disable interupts on the FPGA INTC register */
108 ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTDSB_REG); 104 ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTDSB_REG);
109
110 /* restore interrupts */
111 local_irq_restore(flags);
112} 105}
113 106
114static void enable_microdev_irq(unsigned int irq) 107static void enable_microdev_irq(unsigned int irq)
115{ 108{
116 unsigned long priorityReg, priorities, pri; 109 unsigned long priorityReg, priorities, pri;
117 unsigned int flags;
118 unsigned int fpgaIrq; 110 unsigned int fpgaIrq;
119 111
120 112 if (unlikely(irq >= NUM_EXTERNAL_IRQS))
121 if (irq >= NUM_EXTERNAL_IRQS) return; 113 return;
122 if (!fpgaIrqTable[irq].mapped) return; 114 if (unlikely(!fpgaIrqTable[irq].mapped))
115 return;
123 116
124 pri = 15 - irq; 117 pri = 15 - irq;
125 118
126 fpgaIrq = fpgaIrqTable[irq].fpgaIrq; 119 fpgaIrq = fpgaIrqTable[irq].fpgaIrq;
127 priorityReg = MICRODEV_FPGA_INTPRI_REG(fpgaIrq); 120 priorityReg = MICRODEV_FPGA_INTPRI_REG(fpgaIrq);
128 121
129 /* disable interrupts */ 122 /* set priority for the interrupt */
130 local_irq_save(flags);
131
132 /* set priority for the interrupt */
133 priorities = ctrl_inl(priorityReg); 123 priorities = ctrl_inl(priorityReg);
134 priorities &= ~MICRODEV_FPGA_INTPRI_MASK(fpgaIrq); 124 priorities &= ~MICRODEV_FPGA_INTPRI_MASK(fpgaIrq);
135 priorities |= MICRODEV_FPGA_INTPRI_LEVEL(fpgaIrq, pri); 125 priorities |= MICRODEV_FPGA_INTPRI_LEVEL(fpgaIrq, pri);
136 ctrl_outl(priorities, priorityReg); 126 ctrl_outl(priorities, priorityReg);
137 127
138 /* enable interupts on the FPGA INTC register */ 128 /* enable interupts on the FPGA INTC register */
139 ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTENB_REG); 129 ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTENB_REG);
140
141 /* restore interrupts */
142 local_irq_restore(flags);
143} 130}
144 131
145 /* This functions sets the desired irq handler to be a MicroDev type */ 132 /* This functions sets the desired irq handler to be a MicroDev type */
@@ -158,9 +145,7 @@ static void mask_and_ack_microdev(unsigned int irq)
158static void end_microdev_irq(unsigned int irq) 145static void end_microdev_irq(unsigned int irq)
159{ 146{
160 if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) 147 if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
161 {
162 enable_microdev_irq(irq); 148 enable_microdev_irq(irq);
163 }
164} 149}
165 150
166extern void __init init_microdev_irq(void) 151extern void __init init_microdev_irq(void)
@@ -171,9 +156,7 @@ extern void __init init_microdev_irq(void)
171 ctrl_outl(~0ul, MICRODEV_FPGA_INTDSB_REG); 156 ctrl_outl(~0ul, MICRODEV_FPGA_INTDSB_REG);
172 157
173 for (i = 0; i < NUM_EXTERNAL_IRQS; i++) 158 for (i = 0; i < NUM_EXTERNAL_IRQS; i++)
174 {
175 make_microdev_irq(i); 159 make_microdev_irq(i);
176 }
177} 160}
178 161
179extern void microdev_print_fpga_intc_status(void) 162extern void microdev_print_fpga_intc_status(void)
diff --git a/arch/sh/boards/superh/microdev/setup.c b/arch/sh/boards/superh/microdev/setup.c
index 61b402a3f5d..031c814e6e7 100644
--- a/arch/sh/boards/superh/microdev/setup.c
+++ b/arch/sh/boards/superh/microdev/setup.c
@@ -10,7 +10,6 @@
10 * May be copied or modified under the terms of the GNU General Public 10 * May be copied or modified under the terms of the GNU General Public
11 * License. See linux/COPYING for more information. 11 * License. See linux/COPYING for more information.
12 */ 12 */
13
14#include <linux/init.h> 13#include <linux/init.h>
15#include <linux/platform_device.h> 14#include <linux/platform_device.h>
16#include <linux/ioport.h> 15#include <linux/ioport.h>
@@ -21,41 +20,6 @@
21 20
22extern void microdev_heartbeat(void); 21extern void microdev_heartbeat(void);
23 22
24/*
25 * The Machine Vector
26 */
27
28struct sh_machine_vector mv_sh4202_microdev __initmv = {
29 .mv_nr_irqs = 72, /* QQQ need to check this - use the MACRO */
30
31 .mv_inb = microdev_inb,
32 .mv_inw = microdev_inw,
33 .mv_inl = microdev_inl,
34 .mv_outb = microdev_outb,
35 .mv_outw = microdev_outw,
36 .mv_outl = microdev_outl,
37
38 .mv_inb_p = microdev_inb_p,
39 .mv_inw_p = microdev_inw_p,
40 .mv_inl_p = microdev_inl_p,
41 .mv_outb_p = microdev_outb_p,
42 .mv_outw_p = microdev_outw_p,
43 .mv_outl_p = microdev_outl_p,
44
45 .mv_insb = microdev_insb,
46 .mv_insw = microdev_insw,
47 .mv_insl = microdev_insl,
48 .mv_outsb = microdev_outsb,
49 .mv_outsw = microdev_outsw,
50 .mv_outsl = microdev_outsl,
51
52 .mv_init_irq = init_microdev_irq,
53
54#ifdef CONFIG_HEARTBEAT
55 .mv_heartbeat = microdev_heartbeat,
56#endif
57};
58ALIAS_MV(sh4202_microdev)
59 23
60/****************************************************************************/ 24/****************************************************************************/
61 25
@@ -113,11 +77,6 @@ ALIAS_MV(sh4202_microdev)
113 /* assume a Keyboard Controller is present */ 77 /* assume a Keyboard Controller is present */
114int microdev_kbd_controller_present = 1; 78int microdev_kbd_controller_present = 1;
115 79
116const char *get_system_type(void)
117{
118 return "SH4-202 MicroDev";
119}
120
121static struct resource smc91x_resources[] = { 80static struct resource smc91x_resources[] = {
122 [0] = { 81 [0] = {
123 .start = 0x300, 82 .start = 0x300,
@@ -291,25 +250,9 @@ static int __init microdev_devices_setup(void)
291 return platform_add_devices(microdev_devices, ARRAY_SIZE(microdev_devices)); 250 return platform_add_devices(microdev_devices, ARRAY_SIZE(microdev_devices));
292} 251}
293 252
294__initcall(microdev_devices_setup); 253/*
295 254 * Setup for the SMSC FDC37C93xAPM
296void __init platform_setup(void) 255 */
297{
298 int * const fpgaRevisionRegister = (int*)(MICRODEV_FPGA_GP_BASE + 0x8ul);
299 const int fpgaRevision = *fpgaRevisionRegister;
300 int * const CacheControlRegister = (int*)CCR;
301
302 printk("SuperH %s board (FPGA rev: 0x%0x, CCR: 0x%0x)\n",
303 get_system_type(), fpgaRevision, *CacheControlRegister);
304}
305
306
307/****************************************************************************/
308
309
310 /*
311 * Setup for the SMSC FDC37C93xAPM
312 */
313static int __init smsc_superio_setup(void) 256static int __init smsc_superio_setup(void)
314{ 257{
315 258
@@ -412,8 +355,52 @@ static int __init smsc_superio_setup(void)
412 return 0; 355 return 0;
413} 356}
414 357
358static void __init microdev_setup(char **cmdline_p)
359{
360 int * const fpgaRevisionRegister = (int*)(MICRODEV_FPGA_GP_BASE + 0x8ul);
361 const int fpgaRevision = *fpgaRevisionRegister;
362 int * const CacheControlRegister = (int*)CCR;
363
364 device_initcall(microdev_devices_setup);
365 device_initcall(smsc_superio_setup);
415 366
416/* This is grotty, but, because kernel is always referenced on the link line 367 printk("SuperH %s board (FPGA rev: 0x%0x, CCR: 0x%0x)\n",
417 * before any devices, this is safe. 368 get_system_type(), fpgaRevision, *CacheControlRegister);
369}
370
371/*
372 * The Machine Vector
418 */ 373 */
419__initcall(smsc_superio_setup); 374struct sh_machine_vector mv_sh4202_microdev __initmv = {
375 .mv_name = "SH4-202 MicroDev",
376 .mv_setup = microdev_setup,
377 .mv_nr_irqs = 72, /* QQQ need to check this - use the MACRO */
378
379 .mv_inb = microdev_inb,
380 .mv_inw = microdev_inw,
381 .mv_inl = microdev_inl,
382 .mv_outb = microdev_outb,
383 .mv_outw = microdev_outw,
384 .mv_outl = microdev_outl,
385
386 .mv_inb_p = microdev_inb_p,
387 .mv_inw_p = microdev_inw_p,
388 .mv_inl_p = microdev_inl_p,
389 .mv_outb_p = microdev_outb_p,
390 .mv_outw_p = microdev_outw_p,
391 .mv_outl_p = microdev_outl_p,
392
393 .mv_insb = microdev_insb,
394 .mv_insw = microdev_insw,
395 .mv_insl = microdev_insl,
396 .mv_outsb = microdev_outsb,
397 .mv_outsw = microdev_outsw,
398 .mv_outsl = microdev_outsl,
399
400 .mv_init_irq = init_microdev_irq,
401
402#ifdef CONFIG_HEARTBEAT
403 .mv_heartbeat = microdev_heartbeat,
404#endif
405};
406ALIAS_MV(sh4202_microdev)
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-01 10:29:18 -0500