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path: root/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/setup.c
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Diffstat (limited to 'target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/setup.c')
-rw-r--r--target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/setup.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/setup.c b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/setup.c
new file mode 100644
index 0000000000..35e6fd9645
--- /dev/null
+++ b/target/linux/ifxmips/files-2.6.33/arch/mips/ifxmips/ar9/setup.c
@@ -0,0 +1,96 @@
+#include <linux/cpu.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/pm.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+#include <asm/reboot.h>
+#include <asm/system.h>
+#include <ifxmips.h>
+#include <ifxmips_cgu.h>
+
+#define SYSTEM_DANUBE "Danube"
+#define SYSTEM_DANUBE_CHIPID1 0x00129083
+#define SYSTEM_DANUBE_CHIPID2 0x0012B083
+
+#define SYSTEM_TWINPASS "Twinpass"
+#define SYSTEM_TWINPASS_CHIPID 0x0012D083
+
+static unsigned int chiprev = 0;
+unsigned char ifxmips_sys_type[IFXMIPS_SYS_TYPE_LEN];
+
+unsigned int
+ifxmips_get_cpu_ver(void)
+{
+ return (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0xF0000000) >> 28;
+}
+EXPORT_SYMBOL(ifxmips_get_cpu_ver);
+
+const char*
+get_system_type(void)
+{
+ return ifxmips_sys_type;
+}
+
+static void
+ifxmips_machine_restart(char *command)
+{
+ printk(KERN_NOTICE "System restart\n");
+ local_irq_disable();
+ ifxmips_w32(ifxmips_r32(IFXMIPS_RCU_RST) | IFXMIPS_RCU_RST_ALL,
+ IFXMIPS_RCU_RST);
+ for(;;);
+}
+
+static void
+ifxmips_machine_halt(void)
+{
+ printk(KERN_NOTICE "System halted.\n");
+ local_irq_disable();
+ for(;;);
+}
+
+static void
+ifxmips_machine_power_off(void)
+{
+ printk(KERN_NOTICE "Please turn off the power now.\n");
+ local_irq_disable();
+ for(;;);
+}
+
+void __init
+ifxmips_soc_setup(void)
+{
+ char *name = SYSTEM_DANUBE;
+ ioport_resource.start = IOPORT_RESOURCE_START;
+ ioport_resource.end = IOPORT_RESOURCE_END;
+ iomem_resource.start = IOMEM_RESOURCE_START;
+ iomem_resource.end = IOMEM_RESOURCE_END;
+
+ _machine_restart = ifxmips_machine_restart;
+ _machine_halt = ifxmips_machine_halt;
+ pm_power_off = ifxmips_machine_power_off;
+
+ chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF);
+
+ switch (chiprev)
+ {
+ case SYSTEM_DANUBE_CHIPID1:
+ case SYSTEM_DANUBE_CHIPID2:
+ name = SYSTEM_DANUBE;
+ break;
+
+ case SYSTEM_TWINPASS_CHIPID:
+ name = SYSTEM_TWINPASS;
+ break;
+
+ default:
+ printk(KERN_ERR "This is not a danube chiprev : 0x%08X\n", chiprev);
+ BUG();
+ break;
+ }
+ snprintf(ifxmips_sys_type, IFXMIPS_SYS_TYPE_LEN - 1, "%s rev1.%d %dMhz",
+ name, ifxmips_get_cpu_ver(),
+ ifxmips_get_cpu_hz() / 1000000);
+ ifxmips_sys_type[IFXMIPS_SYS_TYPE_LEN - 1] = '\0';
+}