4 files changed, 263 insertions, 0 deletions
diff --git a/board/amcc/bluestone/Makefile b/board/amcc/bluestone/Makefile
new file mode 100644
index 0000000000..41751c870b
--- /dev/null
+++ b/board/amcc/bluestone/Makefile
@@ -0,0 +1,52 @@
+#
+# Copyright (c) 2010, Applied Micro Circuits Corporation
+# Author: Tirumala R Marri <tmarri@apm.com>
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS-y	:= $(BOARD).o
+SOBJS	:= init.o
+
+COBJS   := $(COBJS-y)
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/amcc/bluestone/bluestone.c b/board/amcc/bluestone/bluestone.c
new file mode 100644
index 0000000000..fe8929c389
--- /dev/null
+++ b/board/amcc/bluestone/bluestone.c
@@ -0,0 +1,111 @@
+/*
+ * Bluestone board support
+ *
+ * Copyright (c) 2010, Applied Micro Circuits Corporation
+ * Author: Tirumala R Marri <tmarri@apm.com>
+ *
+ * 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/apm821xx.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <i2c.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/mmu.h>
+#include <asm/ppc4xx-gpio.h>
+
+int board_early_init_f(void)
+{
+	/*
+	 * Setup the interrupt controller polarities, triggers, etc.
+	 */
+	mtdcr(UIC0SR, 0xffffffff);	/* clear all */
+	mtdcr(UIC0ER, 0x00000000);	/* disable all */
+	mtdcr(UIC0CR, 0x00000005);	/* ATI & UIC1 crit are critical */
+	mtdcr(UIC0PR, 0xffffffff);	/* per ref-board manual */
+	mtdcr(UIC0TR, 0x00000000);	/* per ref-board manual */
+	mtdcr(UIC0VR, 0x00000000);	/* int31 highest, base=0x000 */
+	mtdcr(UIC0SR, 0xffffffff);	/* clear all */
+
+	mtdcr(UIC1SR, 0xffffffff);	/* clear all */
+	mtdcr(UIC1ER, 0x00000000);	/* disable all */
+	mtdcr(UIC1CR, 0x00000000);	/* all non-critical */
+	mtdcr(UIC1PR, 0xffffffff);	/* per ref-board manual */
+	mtdcr(UIC1TR, 0x00000000);	/* per ref-board manual */
+	mtdcr(UIC1VR, 0x00000000);	/* int31 highest, base=0x000 */
+	mtdcr(UIC1SR, 0xffffffff);	/* clear all */
+
+	mtdcr(UIC2SR, 0xffffffff);	/* clear all */
+	mtdcr(UIC2ER, 0x00000000);	/* disable all */
+	mtdcr(UIC2CR, 0x00000000);	/* all non-critical */
+	mtdcr(UIC2PR, 0xffffffff);	/* per ref-board manual */
+	mtdcr(UIC2TR, 0x00000000);	/* per ref-board manual */
+	mtdcr(UIC2VR, 0x00000000);	/* int31 highest, base=0x000 */
+	mtdcr(UIC2SR, 0xffffffff);	/* clear all */
+
+	mtdcr(UIC3SR, 0xffffffff);	/* clear all */
+	mtdcr(UIC3ER, 0x00000000);	/* disable all */
+	mtdcr(UIC3CR, 0x00000000);	/* all non-critical */
+	mtdcr(UIC3PR, 0xffffffff);	/* per ref-board manual */
+	mtdcr(UIC3TR, 0x00000000);	/* per ref-board manual */
+	mtdcr(UIC3VR, 0x00000000);	/* int31 highest, base=0x000 */
+	mtdcr(UIC3SR, 0xffffffff);	/* clear all */
+
+	/*
+	 * Configure PFC (Pin Function Control) registers
+	 * UART0: 2 pins
+	 */
+	mtsdr(SDR0_PFC1, 0x0000000);
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	char *s = getenv("serial#");
+
+	puts("Board: Bluestone Evaluation Board");
+
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+	putc('\n');
+
+	return 0;
+}
+
+int misc_init_r(void)
+{
+	u32 sdr0_srst1 = 0;
+
+	/* Setup PLB4-AHB bridge based on the system address map */
+	mtdcr(AHB_TOP, 0x8000004B);
+	mtdcr(AHB_BOT, 0x8000004B);
+
+	/*
+	 * The AHB Bridge core is held in reset after power-on or reset
+	 * so enable it now
+	 */
+	mfsdr(SDR0_SRST1, sdr0_srst1);
+	sdr0_srst1 &= ~SDR0_SRST1_AHB;
+	mtsdr(SDR0_SRST1, sdr0_srst1);
+
+	return 0;
+}
diff --git a/board/amcc/bluestone/config.mk b/board/amcc/bluestone/config.mk
new file mode 100644
index 0000000000..e2194e4e00
--- /dev/null
+++ b/board/amcc/bluestone/config.mk
@@ -0,0 +1,40 @@
+#
+# Copyright (c) 2010, Applied Micro Circuits Corporation
+# Author: Tirumala R Marri <tmarri@apm.com>
+#
+# 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
+#
+# Applied Micro APM821XX Evaluation board.
+#
+
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
+ifndef TEXT_BASE
+TEXT_BASE = 0xFFFA0000
+endif
+
+PLATFORM_CPPFLAGS += -DCONFIG_440=1
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif
+
+ifeq ($(dbcr),1)
+PLATFORM_CPPFLAGS += -DCONFIG_SYS_INIT_DBCR=0x8cff0000
+endif
diff --git a/board/amcc/bluestone/init.S b/board/amcc/bluestone/init.S
new file mode 100644
index 0000000000..e969fcfd90
--- /dev/null
+++ b/board/amcc/bluestone/init.S
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2010, Applied Micro Circuits Corporation
+ * Author: Tirumala R Marri <tmarri@apm.com>
+ *
+ * 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 <ppc_asm.tmpl>
+#include <config.h>
+#include <asm/mmu.h>
+#include <asm/ppc4xx.h>
+
+/**************************************************************************
+ * TLB TABLE
+ *
+ * This table is used by the cpu boot code to setup the initial tlb
+ * entries. Rather than make broad assumptions in the cpu source tree,
+ * this table lets each board set things up however they like.
+ *
+ *  Pointer to the table is returned in r1
+ *
+ *************************************************************************/
+	.section .bootpg,"ax"
+	.globl tlbtab
+
+tlbtab:
+	tlbtab_start
+
+	/* TLB 0 */
+	tlbentry(CONFIG_SYS_BOOT_BASE_ADDR, SZ_16M, CONFIG_SYS_BOOT_BASE_ADDR,
+	4, AC_RWX | SA_G)
+
+	/* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+	tlbentry(CONFIG_SYS_INIT_RAM_ADDR, SZ_4K, CONFIG_SYS_INIT_RAM_ADDR,
+			0, AC_RWX | SA_G)
+
+	/* TLB-entry for OCM */
+	tlbentry(CONFIG_SYS_OCM_BASE, SZ_64K, 0x00040000, 4,
+			AC_RWX | SA_I)
+
+	/* TLB-entry for Local Configuration registers => peripherals */
+	tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_16K,
+			CONFIG_SYS_PERIPHERAL_BASE, 4, AC_RWX | SA_IG)
+	tlbtab_end