X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=board%2Fcorscience%2Ftricorder%2Ftricorder.c;h=b8129168b9fa7641203a757105f979e5bed96745;hp=56fe495277ee7d6ad84df39ab4494de81f2f6784;hb=890880583d84607e36b52a785a96b167728bbf73;hpb=612404c28a64a6df300642a1550a65dcc8e01f82

diff --git a/board/corscience/tricorder/tricorder.c b/board/corscience/tricorder/tricorder.c
index 56fe495277..b8129168b9 100644
--- a/board/corscience/tricorder/tricorder.c
+++ b/board/corscience/tricorder/tricorder.c
@@ -8,32 +8,18 @@
  * Derived from Devkit8000 code by
  * Frederik Kriewitz <frederik@kriewitz.eu>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 #include <common.h>
 #include <twl4030.h>
 #include <asm/io.h>
+#include <asm/gpio.h>
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/mux.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/mem.h>
 #include "tricorder.h"
+#include "tricorder-eeprom.h"
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -50,12 +36,87 @@ int board_init(void)
 	return 0;
 }
 
+/**
+ * get_eeprom - read the eeprom
+ *
+ * @eeprom - pointer to a eeprom struct to fill
+ *
+ * This function will panic() on wrong EEPROM content
+ */
+static void get_eeprom(struct tricorder_eeprom *eeprom)
+{
+	int ret;
+
+	if (!eeprom)
+		panic("No eeprom given!\n");
+
+	ret = gpio_request(7, "BMS");
+	if (ret)
+		panic("gpio: requesting BMS pin failed\n");
+
+	ret = gpio_direction_input(7);
+	if (ret)
+		panic("gpio: set BMS as input failed\n");
+
+	ret = gpio_get_value(7);
+	if (ret < 0)
+		panic("gpio: get BMS pin state failed\n");
+
+	gpio_free(7);
+
+	if (ret == 0) {
+		/* BMS is _not_ set, do the EEPROM check */
+		ret = tricorder_get_eeprom(0x51, eeprom);
+		if (!ret) {
+			if (strncmp(eeprom->board_name, "CS10411", 7) != 0)
+				panic("Wrong board name '%.*s'\n",
+				      sizeof(eeprom->board_name),
+						eeprom->board_name);
+			if (eeprom->board_version[0] < 'D')
+				panic("Wrong board version '%.*s'\n",
+				      sizeof(eeprom->board_version),
+						eeprom->board_version);
+		} else {
+			panic("Could not get board revision\n");
+		}
+	}
+}
+
+/**
+ * print_hwversion - print out a HW version string
+ *
+ * @eeprom - pointer to the eeprom
+ */
+static void print_hwversion(struct tricorder_eeprom *eeprom)
+{
+	size_t len;
+	if (!eeprom)
+		panic("No eeprom given!");
+
+	printf("Board %.*s:%.*s serial %.*s",
+	       sizeof(eeprom->board_name), eeprom->board_name,
+	       sizeof(eeprom->board_version), eeprom->board_version,
+	       sizeof(eeprom->board_serial), eeprom->board_serial);
+
+	len = strnlen(eeprom->interface_version,
+		      sizeof(eeprom->interface_version));
+	if (len > 0)
+		printf(" HW interface version %.*s",
+		       sizeof(eeprom->interface_version),
+		       eeprom->interface_version);
+	puts("\n");
+}
+
 /*
  * Routine: misc_init_r
  * Description: Configure board specific parts
  */
 int misc_init_r(void)
 {
+	struct tricorder_eeprom eeprom;
+	get_eeprom(&eeprom);
+	print_hwversion(&eeprom);
+
 	twl4030_power_init();
 #ifdef CONFIG_TWL4030_LED
 	twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
@@ -80,7 +141,7 @@ void set_muxconf_regs(void)
 #if defined(CONFIG_GENERIC_MMC) && !(defined(CONFIG_SPL_BUILD))
 int board_mmc_init(bd_t *bis)
 {
-	return omap_mmc_init(0, 0, 0);
+	return omap_mmc_init(0, 0, 0, -1, -1);
 }
 #endif