From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/sh/boards/mach-ap325rxa/Makefile | 2 + arch/sh/boards/mach-ap325rxa/sdram.S | 69 ++++ arch/sh/boards/mach-ap325rxa/setup.c | 696 ++++++++++++++++++++++++++++++++++ 3 files changed, 767 insertions(+) create mode 100644 arch/sh/boards/mach-ap325rxa/Makefile create mode 100644 arch/sh/boards/mach-ap325rxa/sdram.S create mode 100644 arch/sh/boards/mach-ap325rxa/setup.c (limited to 'arch/sh/boards/mach-ap325rxa') diff --git a/arch/sh/boards/mach-ap325rxa/Makefile b/arch/sh/boards/mach-ap325rxa/Makefile new file mode 100644 index 000000000..4cf1774d2 --- /dev/null +++ b/arch/sh/boards/mach-ap325rxa/Makefile @@ -0,0 +1,2 @@ +obj-y := setup.o sdram.o + diff --git a/arch/sh/boards/mach-ap325rxa/sdram.S b/arch/sh/boards/mach-ap325rxa/sdram.S new file mode 100644 index 000000000..db24fbed4 --- /dev/null +++ b/arch/sh/boards/mach-ap325rxa/sdram.S @@ -0,0 +1,69 @@ +/* + * AP325RXA sdram self/auto-refresh setup code + * + * Copyright (C) 2009 Magnus Damm + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include +#include +#include +#include +#include +#include + +/* code to enter and leave self-refresh. must be self-contained. + * this code will be copied to on-chip memory and executed from there. + */ + .balign 4 +ENTRY(ap325rxa_sdram_enter_start) + + /* SBSC: disable power down and put in self-refresh mode */ + mov.l 1f, r4 + mov.l 2f, r1 + mov.l @r4, r2 + or r1, r2 + mov.l 3f, r3 + and r3, r2 + mov.l r2, @r4 + + rts + nop + + .balign 4 +1: .long 0xfe400008 /* SDCR0 */ +2: .long 0x00000400 +3: .long 0xffff7fff +ENTRY(ap325rxa_sdram_enter_end) + + .balign 4 +ENTRY(ap325rxa_sdram_leave_start) + + /* SBSC: set auto-refresh mode */ + mov.l 1f, r4 + mov.l @r4, r0 + mov.l 4f, r1 + and r1, r0 + mov.l r0, @r4 + mov.l 6f, r4 + mov.l 8f, r0 + mov.l @r4, r1 + mov #-1, r4 + add r4, r1 + or r1, r0 + mov.l 7f, r1 + mov.l r0, @r1 + + rts + nop + + .balign 4 +1: .long 0xfe400008 /* SDCR0 */ +4: .long 0xfffffbff +6: .long 0xfe40001c /* RTCOR */ +7: .long 0xfe400018 /* RTCNT */ +8: .long 0xa55a0000 +ENTRY(ap325rxa_sdram_leave_end) diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c new file mode 100644 index 000000000..cbd2a9f02 --- /dev/null +++ b/arch/sh/boards/mach-ap325rxa/setup.c @@ -0,0 +1,696 @@ +/* + * Renesas - AP-325RXA + * (Compatible with Algo System ., LTD. - AP-320A) + * + * Copyright (C) 2008 Renesas Solutions Corp. + * Author : Yusuke Goda + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include