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-rw-r--r--board/bf537-stamp/post.c244
1 files changed, 244 insertions, 0 deletions
diff --git a/board/bf537-stamp/post.c b/board/bf537-stamp/post.c
new file mode 100644
index 0000000..4e844ba
--- /dev/null
+++ b/board/bf537-stamp/post.c
@@ -0,0 +1,244 @@
+/*
+ * BF537-STAMP POST code
+ *
+ * Enter bugs at http://blackfin.uclinux.org/
+ *
+ * Copyright (c) 2005-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <asm/blackfin.h>
+
+#define POST_WORD_ADDR 0xFF903FFC
+
+/* Using sw10-PF5 as the hotkey */
+int post_hotkeys_pressed(void)
+{
+ int delay = 3;
+ int i;
+ unsigned short value;
+
+ *pPORTF_FER &= ~PF5;
+ *pPORTFIO_DIR &= ~PF5;
+ *pPORTFIO_INEN |= PF5;
+
+ printf("########Press SW10 to enter Memory POST########: %2d ", delay);
+ while (delay--) {
+ for (i = 0; i < 100; i++) {
+ value = *pPORTFIO & PF5;
+ if (value != 0) {
+ break;
+ }
+ udelay(10000);
+ }
+ printf("\b\b\b%2d ", delay);
+ }
+ printf("\b\b\b 0");
+ printf("\n");
+ if (value == 0)
+ return 0;
+ else {
+ printf("Hotkey has been pressed, Enter POST . . . . . .\n");
+ return 1;
+ }
+}
+
+void post_word_store(ulong a)
+{
+ volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
+ *save_addr = a;
+}
+
+ulong post_word_load(void)
+{
+ volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
+ return *save_addr;
+}
+
+int uart_post_test(int flags)
+{
+ return 0;
+}
+
+#define BLOCK_SIZE 0x10000
+#define VERIFY_ADDR 0x2000000
+extern int erase_block_flash(int);
+extern int write_data(long lStart, long lCount, uchar * pnData);
+int flash_post_test(int flags)
+{
+ unsigned short *pbuf, *temp;
+ int offset, n, i;
+ int value = 0;
+ int result = 0;
+ printf("\n");
+ pbuf = (unsigned short *)VERIFY_ADDR;
+ temp = pbuf;
+ for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
+ offset = (n - 7) * BLOCK_SIZE;
+ printf("--------Erase block:%2d..", n);
+ erase_block_flash(n);
+ printf("OK\r");
+ printf("--------Program block:%2d...", n);
+ write_data(CONFIG_SYS_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
+ printf("OK\r");
+ printf("--------Verify block:%2d...", n);
+ for (i = 0; i < BLOCK_SIZE; i += 2) {
+ if (*(unsigned short *)(CONFIG_SYS_FLASH_BASE + offset + i) !=
+ *temp++) {
+ value = 1;
+ result = 1;
+ }
+ }
+ if (value)
+ printf("failed\n");
+ else
+ printf("OK %3d%%\r",
+ (int)(
+ (n + 1 -
+ FLASH_START_POST_BLOCK) *
+ 100 / (FLASH_END_POST_BLOCK -
+ FLASH_START_POST_BLOCK)));
+
+ temp = pbuf;
+ value = 0;
+ }
+ printf("\n");
+ if (result)
+ return -1;
+ else
+ return 0;
+}
+
+/****************************************************
+ * LED1 ---- PF6 LED2 ---- PF7 *
+ * LED3 ---- PF8 LED4 ---- PF9 *
+ * LED5 ---- PF10 LED6 ---- PF11 *
+ ****************************************************/
+int led_post_test(int flags)
+{
+ *pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
+ *pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11;
+ *pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
+ *pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
+ udelay(1000000);
+ printf("LED1 on");
+ *pPORTFIO |= PF6;
+ udelay(1000000);
+ printf("\b\b\b\b\b\b\b");
+ printf("LED2 on");
+ *pPORTFIO |= PF7;
+ udelay(1000000);
+ printf("\b\b\b\b\b\b\b");
+ printf("LED3 on");
+ *pPORTFIO |= PF8;
+ udelay(1000000);
+ printf("\b\b\b\b\b\b\b");
+ printf("LED4 on");
+ *pPORTFIO |= PF9;
+ udelay(1000000);
+ printf("\b\b\b\b\b\b\b");
+ printf("LED5 on");
+ *pPORTFIO |= PF10;
+ udelay(1000000);
+ printf("\b\b\b\b\b\b\b");
+ printf("lED6 on");
+ *pPORTFIO |= PF11;
+ printf("\b\b\b\b\b\b\b ");
+ return 0;
+}
+
+/************************************************
+ * SW10 ---- PF5 SW11 ---- PF4 *
+ * SW12 ---- PF3 SW13 ---- PF2 *
+ ************************************************/
+int button_post_test(int flags)
+{
+ int i, delay = 5;
+ unsigned short value = 0;
+ int result = 0;
+
+ *pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2);
+ *pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2);
+ *pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2);
+
+ printf("\n--------Press SW10: %2d ", delay);
+ while (delay--) {
+ for (i = 0; i < 100; i++) {
+ value = *pPORTFIO & PF5;
+ if (value != 0) {
+ break;
+ }
+ udelay(10000);
+ }
+ printf("\b\b\b%2d ", delay);
+ }
+ if (value != 0)
+ printf("\b\bOK");
+ else {
+ result = -1;
+ printf("\b\bfailed");
+ }
+
+ delay = 5;
+ printf("\n--------Press SW11: %2d ", delay);
+ while (delay--) {
+ for (i = 0; i < 100; i++) {
+ value = *pPORTFIO & PF4;
+ if (value != 0) {
+ break;
+ }
+ udelay(10000);
+ }
+ printf("\b\b\b%2d ", delay);
+ }
+ if (value != 0)
+ printf("\b\bOK");
+ else {
+ result = -1;
+ printf("\b\bfailed");
+ }
+
+ delay = 5;
+ printf("\n--------Press SW12: %2d ", delay);
+ while (delay--) {
+ for (i = 0; i < 100; i++) {
+ value = *pPORTFIO & PF3;
+ if (value != 0) {
+ break;
+ }
+ udelay(10000);
+ }
+ printf("\b\b\b%2d ", delay);
+ }
+ if (value != 0)
+ printf("\b\bOK");
+ else {
+ result = -1;
+ printf("\b\bfailed");
+ }
+
+ delay = 5;
+ printf("\n--------Press SW13: %2d ", delay);
+ while (delay--) {
+ for (i = 0; i < 100; i++) {
+ value = *pPORTFIO & PF2;
+ if (value != 0) {
+ break;
+ }
+ udelay(10000);
+ }
+ printf("\b\b\b%2d ", delay);
+ }
+ if (value != 0)
+ printf("\b\bOK");
+ else {
+ result = -1;
+ printf("\b\bfailed");
+ }
+ printf("\n");
+ return result;
+}