aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2008-08-27 06:38:42 -0400
committerDavid S. Miller <davem@davemloft.net>2008-08-29 05:15:11 -0400
commit104364810ff5b0844a2183fbca989f70e86d486b (patch)
treee7aa24484aefae8ad6ba00d9e0f52ee5bfb384f3
parent33c4655c00e6af3ec4023f2cafd63dd4a42de49b (diff)
sparc: Remove SBUS layer resource and irq handling.
All the drivers use OF device objects now for this information. Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--arch/sparc/include/asm/sbus_32.h15
-rw-r--r--arch/sparc/include/asm/sbus_64.h16
-rw-r--r--arch/sparc/kernel/ioport.c27
-rw-r--r--arch/sparc64/kernel/sbus.c4
-rw-r--r--drivers/sbus/sbus.c124
5 files changed, 1 insertions, 185 deletions
diff --git a/arch/sparc/include/asm/sbus_32.h b/arch/sparc/include/asm/sbus_32.h
index 81ea0f687b18..8f5900baca32 100644
--- a/arch/sparc/include/asm/sbus_32.h
+++ b/arch/sparc/include/asm/sbus_32.h
@@ -51,17 +51,6 @@ struct sbus_dev {
51 int prom_node; 51 int prom_node;
52 char prom_name[64]; 52 char prom_name[64];
53 int slot; 53 int slot;
54
55 struct resource resource[PROMREG_MAX];
56
57 struct linux_prom_registers reg_addrs[PROMREG_MAX];
58 int num_registers;
59
60 struct linux_prom_ranges device_ranges[PROMREG_MAX];
61 int num_device_ranges;
62
63 unsigned int irqs[4];
64 int num_irqs;
65}; 54};
66#define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev) 55#define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev)
67 56
@@ -73,9 +62,6 @@ struct sbus_bus {
73 int prom_node; /* PROM device tree node for this SBus */ 62 int prom_node; /* PROM device tree node for this SBus */
74 char prom_name[64]; /* Usually "sbus" or "sbi" */ 63 char prom_name[64]; /* Usually "sbus" or "sbi" */
75 int clock_freq; 64 int clock_freq;
76
77 struct linux_prom_ranges sbus_ranges[PROMREG_MAX];
78 int num_sbus_ranges;
79}; 65};
80#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev) 66#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev)
81 67
@@ -103,7 +89,6 @@ sbus_is_slave(struct sbus_dev *dev)
103void prom_adjust_ranges(struct linux_prom_ranges *, int, 89void prom_adjust_ranges(struct linux_prom_ranges *, int,
104 struct linux_prom_ranges *, int); 90 struct linux_prom_ranges *, int);
105 91
106extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *);
107extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *); 92extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *);
108extern int sbus_arch_preinit(void); 93extern int sbus_arch_preinit(void);
109extern void sbus_arch_postinit(void); 94extern void sbus_arch_postinit(void);
diff --git a/arch/sparc/include/asm/sbus_64.h b/arch/sparc/include/asm/sbus_64.h
index 2b2562e0e5c1..75f95ff6d01c 100644
--- a/arch/sparc/include/asm/sbus_64.h
+++ b/arch/sparc/include/asm/sbus_64.h
@@ -51,17 +51,6 @@ struct sbus_dev {
51 int prom_node; 51 int prom_node;
52 char prom_name[64]; 52 char prom_name[64];
53 int slot; 53 int slot;
54
55 struct resource resource[PROMREG_MAX];
56
57 struct linux_prom_registers reg_addrs[PROMREG_MAX];
58 int num_registers;
59
60 struct linux_prom_ranges device_ranges[PROMREG_MAX];
61 int num_device_ranges;
62
63 unsigned int irqs[4];
64 int num_irqs;
65}; 54};
66#define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev) 55#define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev)
67 56
@@ -73,10 +62,6 @@ struct sbus_bus {
73 int prom_node; /* OBP node of SBUS */ 62 int prom_node; /* OBP node of SBUS */
74 char prom_name[64]; /* Usually "sbus" or "sbi" */ 63 char prom_name[64]; /* Usually "sbus" or "sbi" */
75 int clock_freq; 64 int clock_freq;
76
77 struct linux_prom_ranges sbus_ranges[PROMREG_MAX];
78 int num_sbus_ranges;
79
80 int portid; 65 int portid;
81}; 66};
82#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev) 67#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev)
@@ -94,7 +79,6 @@ extern struct sbus_bus *sbus_root;
94 for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \ 79 for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \
95 for ((device) = (bus)->devices; (device); (device) = (device)->next) 80 for ((device) = (bus)->devices; (device); (device) = (device)->next)
96 81
97extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *);
98extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *); 82extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *);
99extern int sbus_arch_preinit(void); 83extern int sbus_arch_preinit(void);
100extern void sbus_arch_postinit(void); 84extern void sbus_arch_postinit(void);
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 0e478301e8e5..d82a810564ba 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -394,33 +394,6 @@ void sbus_dma_sync_single_for_device(struct device *dev, dma_addr_t ba, size_t s
394} 394}
395 395
396/* Support code for sbus_init(). */ 396/* Support code for sbus_init(). */
397/*
398 * XXX This functions appears to be a distorted version of
399 * prom_sbus_ranges_init(), with all sun4d stuff cut away.
400 * Ask DaveM what is going on here, how is sun4d supposed to work... XXX
401 */
402/* added back sun4d patch from Thomas Bogendoerfer - should be OK (crn) */
403void __init sbus_arch_bus_ranges_init(struct device_node *pn, struct sbus_bus *sbus)
404{
405 int parent_node = pn->node;
406
407 if (sparc_cpu_model == sun4d) {
408 struct linux_prom_ranges iounit_ranges[PROMREG_MAX];
409 int num_iounit_ranges, len;
410
411 len = prom_getproperty(parent_node, "ranges",
412 (char *) iounit_ranges,
413 sizeof (iounit_ranges));
414 if (len != -1) {
415 num_iounit_ranges =
416 (len / sizeof(struct linux_prom_ranges));
417 prom_adjust_ranges(sbus->sbus_ranges,
418 sbus->num_sbus_ranges,
419 iounit_ranges, num_iounit_ranges);
420 }
421 }
422}
423
424void __init sbus_setup_iommu(struct sbus_bus *sbus, struct device_node *dp) 397void __init sbus_setup_iommu(struct sbus_bus *sbus, struct device_node *dp)
425{ 398{
426#ifndef CONFIG_SUN4 399#ifndef CONFIG_SUN4
diff --git a/arch/sparc64/kernel/sbus.c b/arch/sparc64/kernel/sbus.c
index 60fac2d64b15..0193e3823196 100644
--- a/arch/sparc64/kernel/sbus.c
+++ b/arch/sparc64/kernel/sbus.c
@@ -650,10 +650,6 @@ fatal_memory_error:
650 prom_printf("sbus_iommu_init: Fatal memory allocation error.\n"); 650 prom_printf("sbus_iommu_init: Fatal memory allocation error.\n");
651} 651}
652 652
653void __init sbus_arch_bus_ranges_init(struct device_node *pn, struct sbus_bus *sbus)
654{
655}
656
657void __init sbus_setup_iommu(struct sbus_bus *sbus, struct device_node *dp) 653void __init sbus_setup_iommu(struct sbus_bus *sbus, struct device_node *dp)
658{ 654{
659 sbus_iommu_init(dp->node, sbus); 655 sbus_iommu_init(dp->node, sbus);
diff --git a/drivers/sbus/sbus.c b/drivers/sbus/sbus.c
index 08f4667188d2..89eb922a6acd 100644
--- a/drivers/sbus/sbus.c
+++ b/drivers/sbus/sbus.c
@@ -51,38 +51,11 @@ static void __init fill_sbus_device_iommu(struct sbus_dev *sdev)
51static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sdev) 51static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sdev)
52{ 52{
53 struct dev_archdata *sd; 53 struct dev_archdata *sd;
54 unsigned long base; 54 int err;
55 const void *pval;
56 int len, err;
57 55
58 sdev->prom_node = dp->node; 56 sdev->prom_node = dp->node;
59 strcpy(sdev->prom_name, dp->name); 57 strcpy(sdev->prom_name, dp->name);
60 58
61 pval = of_get_property(dp, "reg", &len);
62 sdev->num_registers = 0;
63 if (pval) {
64 memcpy(sdev->reg_addrs, pval, len);
65
66 sdev->num_registers =
67 len / sizeof(struct linux_prom_registers);
68
69 base = (unsigned long) sdev->reg_addrs[0].phys_addr;
70
71 /* Compute the slot number. */
72 if (base >= SUN_SBUS_BVADDR && sparc_cpu_model == sun4m)
73 sdev->slot = sbus_dev_slot(base);
74 else
75 sdev->slot = sdev->reg_addrs[0].which_io;
76 }
77
78 pval = of_get_property(dp, "ranges", &len);
79 sdev->num_device_ranges = 0;
80 if (pval) {
81 memcpy(sdev->device_ranges, pval, len);
82 sdev->num_device_ranges =
83 len / sizeof(struct linux_prom_ranges);
84 }
85
86 sd = &sdev->ofdev.dev.archdata; 59 sd = &sdev->ofdev.dev.archdata;
87 sd->prom_node = dp; 60 sd->prom_node = dp;
88 sd->op = &sdev->ofdev; 61 sd->op = &sdev->ofdev;
@@ -105,97 +78,6 @@ static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sde
105 fill_sbus_device_iommu(sdev); 78 fill_sbus_device_iommu(sdev);
106} 79}
107 80
108static void __init sbus_bus_ranges_init(struct device_node *dp, struct sbus_bus *sbus)
109{
110 const void *pval;
111 int len;
112
113 pval = of_get_property(dp, "ranges", &len);
114 sbus->num_sbus_ranges = 0;
115 if (pval) {
116 memcpy(sbus->sbus_ranges, pval, len);
117 sbus->num_sbus_ranges =
118 len / sizeof(struct linux_prom_ranges);
119
120 sbus_arch_bus_ranges_init(dp->parent, sbus);
121 }
122}
123
124static void __init __apply_ranges_to_regs(struct linux_prom_ranges *ranges,
125 int num_ranges,
126 struct linux_prom_registers *regs,
127 int num_regs)
128{
129 if (num_ranges) {
130 int regnum;
131
132 for (regnum = 0; regnum < num_regs; regnum++) {
133 int rngnum;
134
135 for (rngnum = 0; rngnum < num_ranges; rngnum++) {
136 if (regs[regnum].which_io == ranges[rngnum].ot_child_space)
137 break;
138 }
139 if (rngnum == num_ranges) {
140 /* We used to flag this as an error. Actually
141 * some devices do not report the regs as we expect.
142 * For example, see SUNW,pln device. In that case
143 * the reg property is in a format internal to that
144 * node, ie. it is not in the SBUS register space
145 * per se. -DaveM
146 */
147 return;
148 }
149 regs[regnum].which_io = ranges[rngnum].ot_parent_space;
150 regs[regnum].phys_addr -= ranges[rngnum].ot_child_base;
151 regs[regnum].phys_addr += ranges[rngnum].ot_parent_base;
152 }
153 }
154}
155
156static void __init __fixup_regs_sdev(struct sbus_dev *sdev)
157{
158 if (sdev->num_registers != 0) {
159 struct sbus_dev *parent = sdev->parent;
160 int i;
161
162 while (parent != NULL) {
163 __apply_ranges_to_regs(parent->device_ranges,
164 parent->num_device_ranges,
165 sdev->reg_addrs,
166 sdev->num_registers);
167
168 parent = parent->parent;
169 }
170
171 __apply_ranges_to_regs(sdev->bus->sbus_ranges,
172 sdev->bus->num_sbus_ranges,
173 sdev->reg_addrs,
174 sdev->num_registers);
175
176 for (i = 0; i < sdev->num_registers; i++) {
177 struct resource *res = &sdev->resource[i];
178
179 res->start = sdev->reg_addrs[i].phys_addr;
180 res->end = (res->start +
181 (unsigned long)sdev->reg_addrs[i].reg_size - 1UL);
182 res->flags = IORESOURCE_IO |
183 (sdev->reg_addrs[i].which_io & 0xff);
184 }
185 }
186}
187
188static void __init sbus_fixup_all_regs(struct sbus_dev *first_sdev)
189{
190 struct sbus_dev *sdev;
191
192 for (sdev = first_sdev; sdev; sdev = sdev->next) {
193 if (sdev->child)
194 sbus_fixup_all_regs(sdev->child);
195 __fixup_regs_sdev(sdev);
196 }
197}
198
199/* We preserve the "probe order" of these bus and device lists to give 81/* We preserve the "probe order" of these bus and device lists to give
200 * the same ordering as the old code. 82 * the same ordering as the old code.
201 */ 83 */
@@ -263,8 +145,6 @@ static void __init build_one_sbus(struct device_node *dp, int num_sbus)
263 145
264 strcpy(sbus->prom_name, dp->name); 146 strcpy(sbus->prom_name, dp->name);
265 147
266 sbus_bus_ranges_init(dp, sbus);
267
268 sbus->ofdev.node = dp; 148 sbus->ofdev.node = dp;
269 sbus->ofdev.dev.parent = NULL; 149 sbus->ofdev.dev.parent = NULL;
270 sbus->ofdev.dev.bus = &sbus_bus_type; 150 sbus->ofdev.dev.bus = &sbus_bus_type;
@@ -295,8 +175,6 @@ static void __init build_one_sbus(struct device_node *dp, int num_sbus)
295 } 175 }
296 dev_dp = dev_dp->sibling; 176 dev_dp = dev_dp->sibling;
297 } 177 }
298
299 sbus_fixup_all_regs(sbus->devices);
300} 178}
301 179
302static int __init sbus_init(void) 180static int __init sbus_init(void)