diff options
Diffstat (limited to 'arch/sparc/kernel')
-rw-r--r-- | arch/sparc/kernel/of_device_32.c | 40 | ||||
-rw-r--r-- | arch/sparc/kernel/prom_32.c | 33 | ||||
-rw-r--r-- | arch/sparc/kernel/prom_common.c | 10 |
3 files changed, 81 insertions, 2 deletions
diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c index 90396702ea2c..4c26eb59e742 100644 --- a/arch/sparc/kernel/of_device_32.c +++ b/arch/sparc/kernel/of_device_32.c @@ -9,6 +9,8 @@ #include <linux/irq.h> #include <linux/of_device.h> #include <linux/of_platform.h> +#include <asm/leon.h> +#include <asm/leon_amba.h> #include "of_device_common.h" @@ -97,6 +99,35 @@ static unsigned long of_bus_sbus_get_flags(const u32 *addr, unsigned long flags) return IORESOURCE_MEM; } + /* + * AMBAPP bus specific translator + */ + +static int of_bus_ambapp_match(struct device_node *np) +{ + return !strcmp(np->name, "ambapp"); +} + +static void of_bus_ambapp_count_cells(struct device_node *child, + int *addrc, int *sizec) +{ + if (addrc) + *addrc = 1; + if (sizec) + *sizec = 1; +} + +static int of_bus_ambapp_map(u32 *addr, const u32 *range, + int na, int ns, int pna) +{ + return of_bus_default_map(addr, range, na, ns, pna); +} + +static unsigned long of_bus_ambapp_get_flags(const u32 *addr, + unsigned long flags) +{ + return IORESOURCE_MEM; +} /* * Array of bus specific translators @@ -121,6 +152,15 @@ static struct of_bus of_busses[] = { .map = of_bus_default_map, .get_flags = of_bus_sbus_get_flags, }, + /* AMBA */ + { + .name = "ambapp", + .addr_prop_name = "reg", + .match = of_bus_ambapp_match, + .count_cells = of_bus_ambapp_count_cells, + .map = of_bus_ambapp_map, + .get_flags = of_bus_ambapp_get_flags, + }, /* Default */ { .name = "default", diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c index fe43e80772db..0a37e8cfd160 100644 --- a/arch/sparc/kernel/prom_32.c +++ b/arch/sparc/kernel/prom_32.c @@ -24,6 +24,8 @@ #include <asm/prom.h> #include <asm/oplib.h> +#include <asm/leon.h> +#include <asm/leon_amba.h> #include "prom.h" @@ -131,6 +133,35 @@ static void __init ebus_path_component(struct device_node *dp, char *tmp_buf) regs->which_io, regs->phys_addr); } +/* "name:vendor:device@irq,addrlo" */ +static void __init ambapp_path_component(struct device_node *dp, char *tmp_buf) +{ + struct amba_prom_registers *regs; unsigned int *intr; + unsigned int *device, *vendor; + struct property *prop; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + regs = prop->value; + prop = of_find_property(dp, "interrupts", NULL); + if (!prop) + return; + intr = prop->value; + prop = of_find_property(dp, "vendor", NULL); + if (!prop) + return; + vendor = prop->value; + prop = of_find_property(dp, "device", NULL); + if (!prop) + return; + device = prop->value; + + sprintf(tmp_buf, "%s:%d:%d@%x,%x", + dp->name, *vendor, *device, + *intr, regs->phys_addr); +} + static void __init __build_path_component(struct device_node *dp, char *tmp_buf) { struct device_node *parent = dp->parent; @@ -143,6 +174,8 @@ static void __init __build_path_component(struct device_node *dp, char *tmp_buf) return sbus_path_component(dp, tmp_buf); if (!strcmp(parent->type, "ebus")) return ebus_path_component(dp, tmp_buf); + if (!strcmp(parent->type, "ambapp")) + return ambapp_path_component(dp, tmp_buf); /* "isa" is handled with platform naming */ } diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c index 0fb5789d43c8..138910c67206 100644 --- a/arch/sparc/kernel/prom_common.c +++ b/arch/sparc/kernel/prom_common.c @@ -22,9 +22,12 @@ #include <linux/of.h> #include <asm/prom.h> #include <asm/oplib.h> +#include <asm/leon.h> #include "prom.h" +void (*prom_build_more)(struct device_node *dp, struct device_node ***nextp); + struct device_node *of_console_device; EXPORT_SYMBOL(of_console_device); @@ -161,7 +164,7 @@ static struct property * __init build_one_prop(phandle node, char *prev, name = prom_nextprop(node, prev, p->name); } - if (strlen(name) == 0) { + if (!name || strlen(name) == 0) { tmp = p; return NULL; } @@ -242,7 +245,7 @@ static struct device_node * __init prom_create_node(phandle node, return dp; } -static char * __init build_full_name(struct device_node *dp) +char * __init build_full_name(struct device_node *dp) { int len, ourlen, plen; char *n; @@ -289,6 +292,9 @@ static struct device_node * __init prom_build_tree(struct device_node *parent, dp->child = prom_build_tree(dp, prom_getchild(node), nextp); + if (prom_build_more) + prom_build_more(dp, nextp); + node = prom_getsibling(node); } |