From d0e6665a24c2c2a3d333db169fcd1261a0903146 Mon Sep 17 00:00:00 2001 From: Tirumala Marri Date: Tue, 28 Sep 2010 14:15:21 -0700 Subject: APM821xx: Add bluestone board support Add support code for bluestone board wth APM821XX processor based. This patch includes early board init, misc init, configure EBC, initializes UIC, MAKEALL, board.cfg and MAINTAINERS file. Signed-off-by: Tirumala R Marri --- board/amcc/bluestone/init.S | 60 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 board/amcc/bluestone/init.S (limited to 'board/amcc/bluestone/init.S') 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 + * + * 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 +#include +#include +#include + +/************************************************************************** + * 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 -- cgit v1.2.1