Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / blackfin / lib / post.c

diff --git a/qemu/roms/u-boot/arch/blackfin/lib/post.c b/qemu/roms/u-boot/arch/blackfin/lib/post.c
new file mode 100644 (file)
index 0000000..b3c5fab
--- /dev/null
+++ b/qemu/roms/u-boot/arch/blackfin/lib/post.c
@@ -0,0 +1,85 @@
+/*
+ * Blackfin POST code
+ *
+ * Copyright (c) 2005-2011 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <post.h>
+
+#include <asm/gpio.h>
+
+#if CONFIG_POST & CONFIG_SYS_POST_BSPEC1
+int led_post_test(int flags)
+{
+       unsigned leds[] = { CONFIG_POST_BSPEC1_GPIO_LEDS };
+       int i;
+
+       /* First turn them all off */
+       for (i = 0; i < ARRAY_SIZE(leds); ++i) {
+               if (gpio_request(leds[i], "post")) {
+                       printf("could not request gpio %u\n", leds[i]);
+                       continue;
+               }
+               gpio_direction_output(leds[i], 0);
+       }
+
+       /* Now turn them on one by one */
+       for (i = 0; i < ARRAY_SIZE(leds); ++i) {
+               printf("LED%i on", i + 1);
+               gpio_set_value(leds[i], 1);
+               udelay(1000000);
+               printf("\b\b\b\b\b\b\b");
+               gpio_free(leds[i]);
+       }
+
+       return 0;
+}
+#endif
+
+#if CONFIG_POST & CONFIG_SYS_POST_BSPEC2
+int button_post_test(int flags)
+{
+       unsigned buttons[] = { CONFIG_POST_BSPEC2_GPIO_BUTTONS };
+       unsigned int sws[] = { CONFIG_POST_BSPEC2_GPIO_NAMES };
+       int i, delay = 5;
+       unsigned short value = 0;
+       int result = 0;
+
+       for (i = 0; i < ARRAY_SIZE(buttons); ++i) {
+               if (gpio_request(buttons[i], "post")) {
+                       printf("could not request gpio %u\n", buttons[i]);
+                       continue;
+               }
+               gpio_direction_input(buttons[i]);
+
+               delay = 5;
+               printf("\n--------Press SW%i: %2d ", sws[i], delay);
+               while (delay--) {
+                       int j;
+                       for (j = 0; j < 100; j++) {
+                               value = gpio_get_value(buttons[i]);
+                               if (value != 0)
+                                       break;
+                               udelay(10000);
+                       }
+                       printf("\b\b\b%2d ", delay);
+               }
+               if (value != 0)
+                       puts("\b\bOK");
+               else {
+                       result = -1;
+                       puts("\b\bfailed");
+               }
+
+               gpio_free(buttons[i]);
+       }
+
+       puts("\n");
+
+       return result;
+}
+#endif