X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Famcc%2Fkilauea%2Fkilauea.c;h=abfaa1eee098aeeabb9ec834674018f9075247dd;hb=d44a5f51288aec60c6bdb4ac939d75c24e5bf9c2;hp=8ce244555acfdde7cb9c891368807860c948c082;hpb=bb3bcfa2426cc6a0aecec7270e3ee67ca843a125;p=u-boot

diff --git a/board/amcc/kilauea/kilauea.c b/board/amcc/kilauea/kilauea.c
index 8ce244555a..abfaa1eee0 100644
--- a/board/amcc/kilauea/kilauea.c
+++ b/board/amcc/kilauea/kilauea.c
@@ -2,28 +2,12 @@
  * (C) Copyright 2007
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
- * 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 <ppc4xx.h>
-#include <ppc405.h>
+#include <asm/ppc4xx.h>
+#include <asm/ppc405.h>
 #include <libfdt.h>
 #include <fdt_support.h>
 #include <asm/processor.h>
@@ -39,6 +23,37 @@ DECLARE_GLOBAL_DATA_PTR;
 
 extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips	*/
 
+static int board_cpld_version(void)
+{
+	u32 cpld;
+
+	cpld = in_be32((void *)CONFIG_SYS_FPGA_FIFO_BASE);
+	if ((cpld & CONFIG_SYS_FPGA_MAGIC_MASK) != CONFIG_SYS_FPGA_MAGIC) {
+		/*
+		 * Magic not found -> "old" CPLD revision which needs
+		 * the "old" EBC configuration
+		 */
+		mtebc(PB2AP, EBC_BXAP_BME_ENABLED | EBC_BXAP_FWT_ENCODE(5) |
+		      EBC_BXAP_BWT_ENCODE(0) | EBC_BXAP_BCE_DISABLE |
+		      EBC_BXAP_BCT_2TRANS | EBC_BXAP_CSN_ENCODE(0) |
+		      EBC_BXAP_OEN_ENCODE(0) | EBC_BXAP_WBN_ENCODE(3) |
+		      EBC_BXAP_WBF_ENCODE(0) | EBC_BXAP_TH_ENCODE(4) |
+		      EBC_BXAP_RE_DISABLED | EBC_BXAP_SOR_DELAYED |
+		      EBC_BXAP_BEM_WRITEONLY | EBC_BXAP_PEN_DISABLED);
+
+		/*
+		 * Return 0 for "old" CPLD version
+		 */
+		return 0;
+	}
+
+	/*
+	 * Magic found -> "new" CPLD revision which needs no new
+	 * EBC configuration
+	 */
+	return (cpld & CONFIG_SYS_FPGA_VER_MASK) >> 8;
+}
+
 /*
  * Board early initialization function
  */
@@ -208,6 +223,13 @@ int board_early_init_f (void)
 	val = SDR0_PFC1_USBEN | SDR0_PFC1_USBBIGEN | SDR0_PFC1_GPT_FREQ;
 	mtsdr(SDR0_PFC1, val);
 
+	/*
+	 * The CPLD version detection has to be the first access to
+	 * the CPLD, so we need to make this access this early and
+	 * save the CPLD version for later.
+	 */
+	gd->board_type = board_cpld_version();
+
 	/*
 	 * Configure FPGA register with PCIe reset
 	 */
@@ -269,18 +291,19 @@ int board_pcie_last(void)
 
 int checkboard (void)
 {
-	char *s = getenv("serial#");
+	char buf[64];
+	int i = getenv_f("serial#", buf, sizeof(buf));
 
 	if (is_405exr())
 		printf("Board: Haleakala - AMCC PPC405EXr Evaluation Board");
 	else
 		printf("Board: Kilauea - AMCC PPC405EX Evaluation Board");
 
-	if (s != NULL) {
+	if (i > 0) {
 		puts(", serial# ");
-		puts(s);
+		puts(buf);
 	}
-	putc('\n');
+	printf(" (CPLD rev. %ld)\n", gd->board_type);
 
 	return (0);
 }