added framework for chip detection on the ifxmips
authorJohn Crispin <john@openwrt.org>
Tue, 25 Dec 2007 13:11:07 +0000 (13:11 +0000)
committerJohn Crispin <john@openwrt.org>
Tue, 25 Dec 2007 13:11:07 +0000 (13:11 +0000)
SVN-Revision: 9925

target/linux/ifxmips/files/arch/mips/ifxmips/board.c
target/linux/ifxmips/files/arch/mips/ifxmips/setup.c
target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips.h

index 6df17d8..05a0715 100644 (file)
 #include <asm/time.h>
 #include <asm/irq.h>
 #include <asm/io.h>
+#include <asm/ifxmips/ifxmips.h>
 
 #define MAX_IFXMIPS_DEVS               5
 
+#define BOARD_DANUBE                   "Danube"
+#define BOARD_DANUBE_CHIPID            0x10129083
+
+#define BOARD_TWINPASS                 "Twinpass"
+
+#define BOARD_DANUBE                   "Danube"
+
+static unsigned int chiprev;
+
 static struct platform_device *ifxmips_devs[MAX_IFXMIPS_DEVS];
 
 static struct platform_device ifxmips_led[] =
@@ -62,6 +72,19 @@ static struct platform_device ifxmips_mii[] =
        },
 };
 
+const char*
+get_system_type (void)
+{
+       chiprev = readl(IFXMIPS_MPS_CHIPID);
+       switch(chiprev)
+       {
+       case BOARD_DANUBE_CHIPID:
+               return BOARD_DANUBE;
+       }
+
+       return BOARD_SYSTEM_TYPE;
+}
+
 int __init ifxmips_init_devices(void)
 {
        /*
index 8aac788..4c25b58 100644 (file)
@@ -146,7 +146,7 @@ plat_timer_setup (struct irqaction *irq)
        writel(0xffff, IFXMIPS_GPTU_GPT_CAPREL);
        writel(0x80C0, IFXMIPS_GPTU_GPT_T6CON);
 
-       retval = setup_irq(IFXMIPS_TIMER6_INT, &hrt_irqaction);
+       //retval = setup_irq(IFXMIPS_TIMER6_INT, &hrt_irqaction);
 
        if (retval)
        {
@@ -154,11 +154,13 @@ plat_timer_setup (struct irqaction *irq)
        }
 }
 
+extern const char* get_system_type (void);
+
 void __init
 plat_mem_setup (void)
 {
        u32 status;
-       prom_printf("This %s has a cpu rev of 0x%X\n", BOARD_SYSTEM_TYPE, ifxmips_get_cpu_ver());
+       prom_printf("This %s has a cpu rev of 0x%X\n", get_system_type(), ifxmips_get_cpu_ver());
 
        //TODO WHY ???
        /* clear RE bit*/
index 21d72a2..cedab2c 100644 (file)
 #define IFXMIPS_FUSE_BASE_ADDR (KSEG1 + 0x1F107354)
 
 
+/*------------ MPS */
+
+#define IFXMIPS_MPS_BASE_ADDR  (KSEG1 + 0x1F107000)
+
+#define IFXMIPS_MPS_CHIPID             ((u32*)(IFXMIPS_MPS_BASE_ADDR + 0x0344))
+
 #endif