arm/km: introduce kmsugp1 target

[platform/kernel/u-boot.git] / board / keymile / km_arm / fpga_config.c

diff --git a/board/keymile/km_arm/fpga_config.c b/board/keymile/km_arm/fpga_config.c
index cbfc7d2..51a3cfe 100644 (file)
--- a/board/keymile/km_arm/fpga_config.c
+++ b/board/keymile/km_arm/fpga_config.c
@@ -189,6 +189,31 @@ int wait_for_fpga_config(void)
        return 0;
 }
 
+#if defined(KM_PCIE_RESET_MPP7)
+
+#define KM_PEX_RST_GPIO_PIN    7
+int fpga_reset(void)
+{
+       if (!check_boco2()) {
+               /* we do not have BOCO2, this is not really used */
+               return 0;
+       }
+
+       printf("PCIe reset through GPIO7: ");
+       /* apply PCIe reset via GPIO */
+       kw_gpio_set_valid(KM_PEX_RST_GPIO_PIN, 1);
+       kw_gpio_direction_output(KM_PEX_RST_GPIO_PIN, 1);
+       kw_gpio_set_value(KM_PEX_RST_GPIO_PIN, 0);
+       udelay(1000*10);
+       kw_gpio_set_value(KM_PEX_RST_GPIO_PIN, 1);
+
+       printf(" done\n");
+
+       return 0;
+}
+
+#else
+
 #define PRST1          0x4
 #define PCIE_RST       0x10
 #define TRAFFIC_RST    0x04
@@ -219,6 +244,7 @@ int fpga_reset(void)
 
        return 0;
 }
+#endif
 
 /* the FPGA was configured, we configure the BOCO2 so that the EEPROM
  * is available from the Bobcat SPI bus */