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Diffstat (limited to 'arch/mips/bcm47xx/setup.c')
-rw-r--r--arch/mips/bcm47xx/setup.c90
1 files changed, 83 insertions, 7 deletions
diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
index cfae81571ded..17c3d14d7c49 100644
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -29,21 +29,36 @@
#include <linux/types.h>
#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_embedded.h>
+#include <linux/bcma/bcma_soc.h>
#include <asm/bootinfo.h>
#include <asm/reboot.h>
#include <asm/time.h>
#include <bcm47xx.h>
#include <asm/mach-bcm47xx/nvram.h>
-struct ssb_bus ssb_bcm47xx;
-EXPORT_SYMBOL(ssb_bcm47xx);
+union bcm47xx_bus bcm47xx_bus;
+EXPORT_SYMBOL(bcm47xx_bus);
+
+enum bcm47xx_bus_type bcm47xx_bus_type;
+EXPORT_SYMBOL(bcm47xx_bus_type);
static void bcm47xx_machine_restart(char *command)
{
printk(KERN_ALERT "Please stand by while rebooting the system...\n");
local_irq_disable();
/* Set the watchdog timer to reset immediately */
- ssb_watchdog_timer_set(&ssb_bcm47xx, 1);
+ switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+ case BCM47XX_BUS_TYPE_SSB:
+ ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 1);
+ break;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+ case BCM47XX_BUS_TYPE_BCMA:
+ bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc, 1);
+ break;
+#endif
+ }
while (1)
cpu_relax();
}
@@ -52,11 +67,23 @@ static void bcm47xx_machine_halt(void)
{
/* Disable interrupts and watchdog and spin forever */
local_irq_disable();
- ssb_watchdog_timer_set(&ssb_bcm47xx, 0);
+ switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+ case BCM47XX_BUS_TYPE_SSB:
+ ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0);
+ break;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+ case BCM47XX_BUS_TYPE_BCMA:
+ bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc, 0);
+ break;
+#endif
+ }
while (1)
cpu_relax();
}
+#ifdef CONFIG_BCM47XX_SSB
#define READ_FROM_NVRAM(_outvar, name, buf) \
if (nvram_getprefix(prefix, name, buf, sizeof(buf)) >= 0)\
sprom->_outvar = simple_strtoul(buf, NULL, 0);
@@ -247,7 +274,7 @@ static int bcm47xx_get_invariants(struct ssb_bus *bus,
return 0;
}
-void __init plat_mem_setup(void)
+static void __init bcm47xx_register_ssb(void)
{
int err;
char buf[100];
@@ -258,12 +285,12 @@ void __init plat_mem_setup(void)
printk(KERN_WARNING "bcm47xx: someone else already registered"
" a ssb SPROM callback handler (err %d)\n", err);
- err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE,
+ err = ssb_bus_ssbbus_register(&(bcm47xx_bus.ssb), SSB_ENUM_BASE,
bcm47xx_get_invariants);
if (err)
panic("Failed to initialize SSB bus (err %d)\n", err);
- mcore = &ssb_bcm47xx.mipscore;
+ mcore = &bcm47xx_bus.ssb.mipscore;
if (nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) {
if (strstr(buf, "console=ttyS1")) {
struct ssb_serial_port port;
@@ -276,8 +303,57 @@ void __init plat_mem_setup(void)
memcpy(&mcore->serial_ports[1], &port, sizeof(port));
}
}
+}
+#endif
+
+#ifdef CONFIG_BCM47XX_BCMA
+static void __init bcm47xx_register_bcma(void)
+{
+ int err;
+
+ err = bcma_host_soc_register(&bcm47xx_bus.bcma);
+ if (err)
+ panic("Failed to initialize BCMA bus (err %d)\n", err);
+}
+#endif
+
+void __init plat_mem_setup(void)
+{
+ struct cpuinfo_mips *c = &current_cpu_data;
+
+ if (c->cputype == CPU_74K) {
+ printk(KERN_INFO "bcm47xx: using bcma bus\n");
+#ifdef CONFIG_BCM47XX_BCMA
+ bcm47xx_bus_type = BCM47XX_BUS_TYPE_BCMA;
+ bcm47xx_register_bcma();
+#endif
+ } else {
+ printk(KERN_INFO "bcm47xx: using ssb bus\n");
+#ifdef CONFIG_BCM47XX_SSB
+ bcm47xx_bus_type = BCM47XX_BUS_TYPE_SSB;
+ bcm47xx_register_ssb();
+#endif
+ }
_machine_restart = bcm47xx_machine_restart;
_machine_halt = bcm47xx_machine_halt;
pm_power_off = bcm47xx_machine_halt;
}
+
+static int __init bcm47xx_register_bus_complete(void)
+{
+ switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+ case BCM47XX_BUS_TYPE_SSB:
+ /* Nothing to do */
+ break;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+ case BCM47XX_BUS_TYPE_BCMA:
+ bcma_bus_register(&bcm47xx_bus.bcma.bus);
+ break;
+#endif
+ }
+ return 0;
+}
+device_initcall(bcm47xx_register_bus_complete);