adds gpiodev support to ifxmips

[librecmc/librecmc.git] / target / linux / ifxmips / files / arch / mips / ifxmips / board.c

diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
index 8f3e166eb26ea30b04ab2b257ec3b67efb968817..d925cf23620821d6413478ec34529220e94c9ce3 100644 (file)
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
@@ -25,16 +25,27 @@
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/mtd/physmap.h>
-#include <linux/platform_device.h>
 #include <linux/kernel.h>
 #include <linux/reboot.h>
+#include <linux/platform_device.h>
 #include <asm/bootinfo.h>
 #include <asm/reboot.h>
 #include <asm/time.h>
 #include <asm/irq.h>
 #include <asm/io.h>
+#include <asm/ifxmips/ifxmips.h>
+
+#define MAX_IFXMIPS_DEVS               6
+
+#define BOARD_DANUBE                   "Danube"
+#define BOARD_DANUBE_CHIPID            0x10129083
+
+#define BOARD_TWINPASS                 "Twinpass"
+#define BOARD_TWINPASS_CHIPID  0x3012D083
 
-#define MAX_IFXMIPS_DEVS               5
+#define BOARD_DANUBE                   "Danube"
+
+static unsigned int chiprev;
 
 static struct platform_device *ifxmips_devs[MAX_IFXMIPS_DEVS];
 
@@ -54,6 +65,73 @@ static struct platform_device ifxmips_gpio[] =
        },
 };
 
+static struct platform_device ifxmips_mii[] =
+{
+       {
+               .id = 0,
+               .name = "ifxmips_mii0",
+       },
+};
+
+static struct physmap_flash_data ifxmips_mtd_data = {
+       .width    = 2,
+};
+
+static struct resource ifxmips_mtd_resource = {
+       .start  = IFXMIPS_FLASH_START,
+       .end    = IFXMIPS_FLASH_START + IFXMIPS_FLASH_MAX - 1,
+       .flags  = IORESOURCE_MEM,
+};
+
+static struct platform_device ifxmips_mtd[] =
+{
+       {
+               .id = 0,
+               .name = "ifxmips_mtd",
+               .dev = {
+                       .platform_data = &ifxmips_mtd_data,
+               },
+               .num_resources  = 1,
+               .resource   = &ifxmips_mtd_resource,
+       },
+};
+
+#ifdef CONFIG_GPIO_DEVICE
+static struct resource ifxmips_gpio_dev_resources[] = {
+       {
+               .name = "gpio",
+               .flags  = 0,
+               .start = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 8) | (1 << 9) | (1 << 12),
+               .end = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 8) | (1 << 9) | (1 << 12),
+       },
+};
+
+static struct platform_device ifxmips_gpio_dev[] = {
+       {
+               .name     = "GPIODEV",
+               .id     = -1,
+               .num_resources    = ARRAY_SIZE(ifxmips_gpio_dev_resources),
+               .resource   = ifxmips_gpio_dev_resources,
+       }
+};
+#endif
+
+const char*
+get_system_type (void)
+{
+       chiprev = ifxmips_r32(IFXMIPS_MPS_CHIPID);
+       switch(chiprev)
+       {
+       case BOARD_DANUBE_CHIPID:
+               return BOARD_DANUBE;
+
+       case BOARD_TWINPASS_CHIPID:
+               return BOARD_TWINPASS;
+       }
+
+       return BOARD_SYSTEM_TYPE;
+}
+
 int __init ifxmips_init_devices(void)
 {
        /*
@@ -61,16 +139,18 @@ int __init ifxmips_init_devices(void)
        *       Currently we support 3 chips
        *       1.) Danube
        *       2.) Twinpass (Danube without dsl phy)
-       *       3.) KDbg74 (used for debuging)
        */
 
        int dev = 0;
 
        /* the following devices are generic for all targets */
-
        ifxmips_devs[dev++] = ifxmips_led;
        ifxmips_devs[dev++] = ifxmips_gpio;
-
+       ifxmips_devs[dev++] = ifxmips_mii;
+       ifxmips_devs[dev++] = ifxmips_mtd;
+#ifdef CONFIG_GPIO_DEVICE
+       ifxmips_devs[dev++] = ifxmips_gpio_dev;
+#endif
        return platform_add_devices(ifxmips_devs, dev);
 }