Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / amcc / acadia / cmd_acadia.c

diff --git a/qemu/roms/u-boot/board/amcc/acadia/cmd_acadia.c b/qemu/roms/u-boot/board/amcc/acadia/cmd_acadia.c
new file mode 100644 (file)
index 0000000..e9df61b
--- /dev/null
+++ b/qemu/roms/u-boot/board/amcc/acadia/cmd_acadia.c
@@ -0,0 +1,82 @@
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <i2c.h>
+
+static u8 boot_267_nor[] = {
+       0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x00,
+       0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00
+};
+
+static u8 boot_267_nand[] = {
+       0xd0, 0x38, 0xc3, 0x50, 0x13, 0x88, 0x8e, 0x00,
+       0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00
+};
+
+static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       u8 chip;
+       u8 *buf;
+       int cpu_freq;
+
+       if (argc < 3)
+               return cmd_usage(cmdtp);
+
+       cpu_freq = simple_strtol(argv[1], NULL, 10);
+       if (cpu_freq != 267) {
+               printf("Unsupported cpu-frequency - only 267 supported\n");
+               return 1;
+       }
+
+       /* use 0x50 as I2C EEPROM address for now */
+       chip = 0x50;
+
+       if ((strcmp(argv[2], "nor") != 0) &&
+           (strcmp(argv[2], "nand") != 0)) {
+               printf("Unsupported boot-device - only nor|nand support\n");
+               return 1;
+       }
+
+       if (strcmp(argv[2], "nand") == 0) {
+               switch (cpu_freq) {
+               case 267:
+                       buf = boot_267_nand;
+                       break;
+               default:
+                       break;
+               }
+       } else {
+               switch (cpu_freq) {
+               case 267:
+                       buf = boot_267_nor;
+                       break;
+               default:
+                       break;
+               }
+       }
+
+       if (i2c_write(chip, 0, 1, buf, 16) != 0)
+               printf("Error writing to EEPROM at address 0x%x\n", chip);
+       udelay(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * 1000);
+       if (i2c_write(chip, 0x10, 1, buf+16, 4) != 0)
+               printf("Error2 writing to EEPROM at address 0x%x\n", chip);
+
+       printf("Done\n");
+       printf("Please power-cycle the board for the changes to take effect\n");
+
+       return 0;
+}
+
+U_BOOT_CMD(
+       bootstrap,      3,      0,      do_bootstrap,
+       "program the I2C bootstrap EEPROM",
+       "<cpu-freq> <nor|nand> - program the I2C bootstrap EEPROM"
+);