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-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c72
1 files changed, 43 insertions, 29 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index cd65ea4e9c54..327cc70e4f18 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -188,16 +188,16 @@
/**
* struct clkctrl_provider - clkctrl provider mapping data
- * @addr: base address for the provider
- * @size: size of the provider address space
- * @offset: offset of the provider from PRCM instance base
+ * @num_addrs: number of base address ranges for the provider
+ * @addr: base address(es) for the provider
+ * @size: size(s) of the provider address space(s)
* @node: device node associated with the provider
* @link: list link
*/
struct clkctrl_provider {
- u32 addr;
- u32 size;
- u16 offset;
+ int num_addrs;
+ u32 *addr;
+ u32 *size;
struct device_node *node;
struct list_head link;
};
@@ -724,23 +724,34 @@ static int __init _setup_clkctrl_provider(struct device_node *np)
const __be32 *addrp;
struct clkctrl_provider *provider;
u64 size;
+ int i;
provider = memblock_virt_alloc(sizeof(*provider), 0);
if (!provider)
return -ENOMEM;
- addrp = of_get_address(np, 0, &size, NULL);
- provider->addr = (u32)of_translate_address(np, addrp);
- addrp = of_get_address(np->parent, 0, NULL, NULL);
- provider->offset = provider->addr -
- (u32)of_translate_address(np->parent, addrp);
- provider->addr &= ~0xff;
- provider->size = size | 0xff;
provider->node = np;
- pr_debug("%s: %s: %x...%x [+%x]\n", __func__, np->parent->name,
- provider->addr, provider->addr + provider->size,
- provider->offset);
+ provider->num_addrs =
+ of_property_count_elems_of_size(np, "reg", sizeof(u32)) / 2;
+
+ provider->addr =
+ memblock_virt_alloc(sizeof(void *) * provider->num_addrs, 0);
+ if (!provider->addr)
+ return -ENOMEM;
+
+ provider->size =
+ memblock_virt_alloc(sizeof(u32) * provider->num_addrs, 0);
+ if (!provider->size)
+ return -ENOMEM;
+
+ for (i = 0; i < provider->num_addrs; i++) {
+ addrp = of_get_address(np, i, &size, NULL);
+ provider->addr[i] = (u32)of_translate_address(np, addrp);
+ provider->size[i] = size;
+ pr_debug("%s: %pOF: %x...%x\n", __func__, np, provider->addr[i],
+ provider->addr[i] + provider->size[i]);
+ }
list_add(&provider->link, &clkctrl_providers);
@@ -787,23 +798,26 @@ static struct clk *_lookup_clkctrl_clk(struct omap_hwmod *oh)
pr_debug("%s: %s: addr=%x\n", __func__, oh->name, addr);
list_for_each_entry(provider, &clkctrl_providers, link) {
- if (provider->addr <= addr &&
- provider->addr + provider->size >= addr) {
- struct of_phandle_args clkspec;
+ int i;
- clkspec.np = provider->node;
- clkspec.args_count = 2;
- clkspec.args[0] = addr - provider->addr -
- provider->offset;
- clkspec.args[1] = 0;
+ for (i = 0; i < provider->num_addrs; i++) {
+ if (provider->addr[i] <= addr &&
+ provider->addr[i] + provider->size[i] > addr) {
+ struct of_phandle_args clkspec;
- clk = of_clk_get_from_provider(&clkspec);
+ clkspec.np = provider->node;
+ clkspec.args_count = 2;
+ clkspec.args[0] = addr - provider->addr[0];
+ clkspec.args[1] = 0;
- pr_debug("%s: %s got %p (offset=%x, provider=%s)\n",
- __func__, oh->name, clk, clkspec.args[0],
- provider->node->parent->name);
+ clk = of_clk_get_from_provider(&clkspec);
- return clk;
+ pr_debug("%s: %s got %p (offset=%x, provider=%pOF)\n",
+ __func__, oh->name, clk,
+ clkspec.args[0], provider->node);
+
+ return clk;
+ }
}
}