From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/sh/boards/mach-ecovec24/Makefile | 10 + arch/sh/boards/mach-ecovec24/sdram.S | 108 +++ arch/sh/boards/mach-ecovec24/setup.c | 1519 +++++++++++++++++++++++++++++++++ 3 files changed, 1637 insertions(+) create mode 100644 arch/sh/boards/mach-ecovec24/Makefile create mode 100644 arch/sh/boards/mach-ecovec24/sdram.S create mode 100644 arch/sh/boards/mach-ecovec24/setup.c (limited to 'arch/sh/boards/mach-ecovec24') diff --git a/arch/sh/boards/mach-ecovec24/Makefile b/arch/sh/boards/mach-ecovec24/Makefile new file mode 100644 index 000000000..d78d4904d --- /dev/null +++ b/arch/sh/boards/mach-ecovec24/Makefile @@ -0,0 +1,10 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for the R0P7724LC0011/21RL (EcoVec) +# +# 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. +# + +obj-y := setup.o sdram.o diff --git a/arch/sh/boards/mach-ecovec24/sdram.S b/arch/sh/boards/mach-ecovec24/sdram.S new file mode 100644 index 000000000..d2f269169 --- /dev/null +++ b/arch/sh/boards/mach-ecovec24/sdram.S @@ -0,0 +1,108 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Ecovec24 sdram self/auto-refresh setup code + * + * Copyright (C) 2009 Magnus Damm + */ + +#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(ecovec24_sdram_enter_start) + + /* DBSC: put memory in self-refresh mode */ + + ED 0xFD000010, 0x00000000 /* DBEN */ + ED 0xFD000040, 0x00000000 /* DBRFPDN0 */ + ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */ + ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */ + ED 0xFD000040, 0x00000001 /* DBRFPDN0 */ + + rts + nop + +ENTRY(ecovec24_sdram_enter_end) + + .balign 4 +ENTRY(ecovec24_sdram_leave_start) + + mov.l @(SH_SLEEP_MODE, r5), r0 + tst #SUSP_SH_RSTANDBY, r0 + bf resume_rstandby + + /* DBSC: put memory in auto-refresh mode */ + + ED 0xFD000040, 0x00000000 /* DBRFPDN0 */ + WAIT 1 + ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */ + ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */ + ED 0xFD000010, 0x00000001 /* DBEN */ + ED 0xFD000040, 0x00010000 /* DBRFPDN0 */ + + rts + nop + +resume_rstandby: + + /* DBSC: re-initialize and put in auto-refresh */ + + ED 0xFD000108, 0x00000181 /* DBPDCNT0 */ + ED 0xFD000020, 0x015B0002 /* DBCONF */ + ED 0xFD000030, 0x03071502 /* DBTR0 */ + ED 0xFD000034, 0x02020102 /* DBTR1 */ + ED 0xFD000038, 0x01090405 /* DBTR2 */ + ED 0xFD00003C, 0x00000002 /* DBTR3 */ + ED 0xFD000008, 0x00000005 /* DBKIND */ + ED 0xFD000040, 0x00000001 /* DBRFPDN0 */ + ED 0xFD000040, 0x00000000 /* DBRFPDN0 */ + ED 0xFD000018, 0x00000001 /* DBCKECNT */ + + mov #100,r0 +WAIT_400NS: + dt r0 + bf WAIT_400NS + + ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */ + ED 0xFD000060, 0x00020000 /* DBMRCNT (EMR2) */ + ED 0xFD000060, 0x00030000 /* DBMRCNT (EMR3) */ + ED 0xFD000060, 0x00010004 /* DBMRCNT (EMR) */ + ED 0xFD000060, 0x00000532 /* DBMRCNT (MRS) */ + ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */ + ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */ + ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */ + ED 0xFD000060, 0x00000432 /* DBMRCNT (MRS) */ + ED 0xFD000060, 0x000103c0 /* DBMRCNT (EMR) */ + ED 0xFD000060, 0x00010040 /* DBMRCNT (EMR) */ + + mov #100,r0 +WAIT_400NS_2: + dt r0 + bf WAIT_400NS_2 + + ED 0xFD000010, 0x00000001 /* DBEN */ + ED 0xFD000044, 0x0000050f /* DBRFPDN1 */ + ED 0xFD000048, 0x236800e6 /* DBRFPDN2 */ + + mov.l DUMMY,r0 + mov.l @r0, r1 /* force single dummy read */ + + ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */ + ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */ + ED 0xFD000108, 0x00000080 /* DBPDCNT0 */ + ED 0xFD000040, 0x00010000 /* DBRFPDN0 */ + + rts + nop + + .balign 4 +DUMMY: .long 0xac400000 + +ENTRY(ecovec24_sdram_leave_end) diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c new file mode 100644 index 000000000..7ec03d4a4 --- /dev/null +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -0,0 +1,1519 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2009 Renesas Solutions Corp. + * + * Kuninori Morimoto + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include + +#include