diff options
author | David S. Miller <davem@davemloft.net> | 2008-08-27 06:38:42 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-08-29 05:15:11 -0400 |
commit | 104364810ff5b0844a2183fbca989f70e86d486b (patch) | |
tree | e7aa24484aefae8ad6ba00d9e0f52ee5bfb384f3 /drivers/sbus/sbus.c | |
parent | 33c4655c00e6af3ec4023f2cafd63dd4a42de49b (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>
Diffstat (limited to 'drivers/sbus/sbus.c')
-rw-r--r-- | drivers/sbus/sbus.c | 124 |
1 files changed, 1 insertions, 123 deletions
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) | |||
51 | static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sdev) | 51 | static 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 | ||
108 | static 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 | |||
124 | static 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 | |||
156 | static 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 | |||
188 | static 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 | ||
302 | static int __init sbus_init(void) | 180 | static int __init sbus_init(void) |