xes: Consolidate checkboard()

Create a common checkboard() function to support all X-ES's Freescale
boards.

Also, add a get_board_derivative() function which reads hardware
strapping resistors to determine what model a board is.  This allows one
U-Boot image to support multiple boards.

Signed-off-by: John Schmoller <jschmoller@xes-inc.com>
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

4 files changed, 141 insertions, 0 deletions

diff --git a/board/xes/common/Makefile b/board/xes/common/Makefile
index d022831..bfade31 100644
--- a/board/xes/common/Makefile
+++ b/board/xes/common/Makefile
@@ -33,6 +33,8 @@ COBJS-$(CONFIG_FSL_PCI_INIT)	+= fsl_8xxx_pci.o
 COBJS-$(CONFIG_MPC8572)		+= fsl_8xxx_clk.o
 COBJS-$(CONFIG_MPC86xx)		+= fsl_8xxx_clk.o
 COBJS-$(CONFIG_FSL_DDR2)	+= fsl_8xxx_ddr.o
+COBJS-$(CONFIG_MPC85xx)		+= fsl_8xxx_misc.o board.o
+COBJS-$(CONFIG_MPC86xx)		+= fsl_8xxx_misc.o board.o
 COBJS-$(CONFIG_NAND_ACTL)	+= actl_nand.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
diff --git a/board/xes/common/board.c b/board/xes/common/board.c
new file mode 100644
index 0000000..738f0a6
--- /dev/null
+++ b/board/xes/common/board.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2009 Extreme Engineering Solutions, Inc.
+ *
+ * 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.
+ */
+
+#include <common.h>
+#include "fsl_8xxx_misc.h"
+
+int checkboard(void)
+{
+	char name[] = CONFIG_SYS_BOARD_NAME;
+	char *s;
+
+#ifdef CONFIG_SYS_FORM_CUSTOM
+	s = "Custom";
+#elif CONFIG_SYS_FORM_6U_CPCI
+	s = "6U CompactPCI";
+#elif CONFIG_SYS_FORM_ATCA_PMC
+	s = "ATCA w/PMC";
+#elif CONFIG_SYS_FORM_ATCA_AMC
+	s = "ATCA w/AMC";
+#elif CONFIG_SYS_FORM_VME
+	s = "VME";
+#elif CONFIG_SYS_FORM_6U_VPX
+	s = "6U VPX";
+#elif CONFIG_SYS_FORM_PMC
+	s = "PMC";
+#elif CONFIG_SYS_FORM_PCI
+	s = "PCI";
+#elif CONFIG_SYS_FORM_3U_CPCI
+	s = "3U CompactPCI";
+#elif CONFIG_SYS_FORM_AMC
+	s = "AdvancedMC";
+#elif CONFIG_SYS_FORM_XMC
+	s = "XMC";
+#elif CONFIG_SYS_FORM_PMC_XMC
+	s = "PMC/XMC";
+#elif CONFIG_SYS_FORM_PCI_EXPRESS
+	s = "PCI Express";
+#elif CONFIG_SYS_FORM_3U_VPX
+	s = "3U VPX";
+#else
+#error "Form factor not defined"
+#endif
+
+	name[strlen(name) - 1] += get_board_derivative();
+	printf("Board: X-ES %s %s SBC\n", name, s);
+
+	/* Display board specific information */
+	puts("       ");
+	if ((s = getenv("board_rev")))
+		printf("Rev %s, ", s);
+	if ((s = getenv("serial#")))
+		printf("Serial# %s, ", s);
+	if ((s = getenv("board_cfg")))
+		printf("Cfg %s", s);
+	puts("\n");
+
+	return 0;
+}
diff --git a/board/xes/common/fsl_8xxx_misc.c b/board/xes/common/fsl_8xxx_misc.c
new file mode 100644
index 0000000..e37a3c1
--- /dev/null
+++ b/board/xes/common/fsl_8xxx_misc.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <asm/mmu.h>
+
+/*
+ * Return a board's derivative model number.  For example:
+ * return 2 for the XPedite5372 and return 1 for the XPedite5201.
+ */
+uint get_board_derivative(void)
+{
+#if defined(CONFIG_MPC85xx)
+       volatile ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+#elif defined(CONFIG_MPC86xx)
+       volatile immap_t *immap = (immap_t *)CONFIG_SYS_CCSRBAR;
+       volatile ccsr_gur_t *gur = &immap->im_gur;
+#endif
+
+       /*
+        * The top 4 lines of the local bus address are pulled low/high and
+        * can be read to determine the least significant digit of a board's
+        * model number.
+        */
+       return gur->gpporcr >> 28;
+}
+
+
diff --git a/board/xes/common/fsl_8xxx_misc.h b/board/xes/common/fsl_8xxx_misc.h
new file mode 100644
index 0000000..ecc70da
--- /dev/null
+++ b/board/xes/common/fsl_8xxx_misc.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ *
+ * 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
+ */
+
+#ifndef __FSL_8XXX_MISC_H___
+#define __FSL_8XXX_MISC_H___
+
+uint get_board_derivative(void);
+
+#endif /* __FSL_8XXX_MISC_H__ */