diff options
Diffstat (limited to 'board/amcc')
| -rw-r--r-- | board/amcc/bluestone/Makefile | 52 | ||||
| -rw-r--r-- | board/amcc/bluestone/bluestone.c | 111 | ||||
| -rw-r--r-- | board/amcc/bluestone/config.mk | 40 | ||||
| -rw-r--r-- | board/amcc/bluestone/init.S | 60 | 
4 files changed, 263 insertions, 0 deletions
| diff --git a/board/amcc/bluestone/Makefile b/board/amcc/bluestone/Makefile new file mode 100644 index 000000000..41751c870 --- /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 000000000..fe8929c38 --- /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 000000000..e2194e4e0 --- /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 000000000..e969fcfd9 --- /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 |