Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / powerpc / cpu / ppc4xx / cmd_chip_config.c

diff --git a/qemu/roms/u-boot/arch/powerpc/cpu/ppc4xx/cmd_chip_config.c b/qemu/roms/u-boot/arch/powerpc/cpu/ppc4xx/cmd_chip_config.c
new file mode 100644 (file)
index 0000000..4e9a40d
--- /dev/null
+++ b/qemu/roms/u-boot/arch/powerpc/cpu/ppc4xx/cmd_chip_config.c
@@ -0,0 +1,131 @@
+/*
+ * (C) Copyright 2008-2009
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * (C) Copyright 2009
+ * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <i2c.h>
+#include <asm/ppc4xx_config.h>
+#include <asm/io.h>
+
+static void print_configs(int cur_config_nr)
+{
+       int i;
+
+       for (i = 0; i < ppc4xx_config_count; i++) {
+               printf("%-16s - %s", ppc4xx_config_val[i].label,
+                      ppc4xx_config_val[i].description);
+               if (i == cur_config_nr)
+                       printf(" ***");
+               printf("\n");
+       }
+
+}
+
+static int do_chip_config(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       int i;
+       int ret;
+       int cur_config_nr = -1;
+       u8 cur_config[CONFIG_4xx_CONFIG_BLOCKSIZE];
+
+       /*
+        * First switch to correct I2C bus. This is I2C bus 0
+        * for all currently available 4xx derivats.
+        */
+       i2c_set_bus_num(0);
+
+#ifdef CONFIG_CMD_EEPROM
+       ret = eeprom_read(CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR,
+                         CONFIG_4xx_CONFIG_I2C_EEPROM_OFFSET,
+                         cur_config, CONFIG_4xx_CONFIG_BLOCKSIZE);
+#else
+       ret = i2c_read(CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR,
+                      CONFIG_4xx_CONFIG_I2C_EEPROM_OFFSET,
+                      1, cur_config, CONFIG_4xx_CONFIG_BLOCKSIZE);
+#endif
+       if (ret) {
+               printf("Error reading EEPROM at addr 0x%x\n",
+                      CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR);
+               return -1;
+       }
+
+       /*
+        * Search the current configuration
+        */
+       for (i = 0; i < ppc4xx_config_count; i++) {
+               if (memcmp(cur_config, ppc4xx_config_val[i].val,
+                          CONFIG_4xx_CONFIG_BLOCKSIZE) == 0)
+                       cur_config_nr = i;
+       }
+
+       if (cur_config_nr == -1) {
+               printf("Warning: The I2C bootstrap values don't match any"
+                      " of the available options!\n");
+               printf("I2C bootstrap EEPROM values are (I2C address 0x%02x):\n",
+                       CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR);
+               for (i = 0; i < CONFIG_4xx_CONFIG_BLOCKSIZE; i++) {
+                       printf("%02x ", cur_config[i]);
+               }
+               printf("\n");
+       }
+
+       if (argc < 2) {
+               printf("Available configurations (I2C address 0x%02x):\n",
+                      CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR);
+               print_configs(cur_config_nr);
+               return 0;
+       }
+
+       for (i = 0; i < ppc4xx_config_count; i++) {
+               /*
+                * Search for configuration name/label
+                */
+               if (strcmp(argv[1], ppc4xx_config_val[i].label) == 0) {
+                       printf("Using configuration:\n%-16s - %s\n",
+                              ppc4xx_config_val[i].label,
+                              ppc4xx_config_val[i].description);
+
+#ifdef CONFIG_CMD_EEPROM
+                       ret = eeprom_write(CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR,
+                                          CONFIG_4xx_CONFIG_I2C_EEPROM_OFFSET,
+                                          ppc4xx_config_val[i].val,
+                                          CONFIG_4xx_CONFIG_BLOCKSIZE);
+#else
+                       ret = i2c_write(CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR,
+                                       CONFIG_4xx_CONFIG_I2C_EEPROM_OFFSET,
+                                       1, ppc4xx_config_val[i].val,
+                                       CONFIG_4xx_CONFIG_BLOCKSIZE);
+#endif
+                       udelay(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * 1000);
+                       if (ret) {
+                               printf("Error updating EEPROM at addr 0x%x\n",
+                                      CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR);
+                               return -1;
+                       }
+
+                       printf("done (dump via 'i2c md %x 0.1 %x')\n",
+                              CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR,
+                              CONFIG_4xx_CONFIG_BLOCKSIZE);
+                       printf("Reset the board for the changes to"
+                              " take effect\n");
+                       return 0;
+               }
+       }
+
+       printf("Configuration %s not found!\n", argv[1]);
+       print_configs(cur_config_nr);
+       return -1;
+}
+
+U_BOOT_CMD(
+       chip_config,    2,      0,      do_chip_config,
+       "program the I2C bootstrap EEPROM",
+       "[config-label]"
+);