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sh: MS7750SE support.

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This adds support for the Hitachi MS7750SE.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
master
Nobuhiro Iwamatsu 18 years ago
parent 0b135cfc2e
commit 69df3c4da0
7 changed files with 479 additions and 0 deletions
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  1. 12
      Makefile
  2. 43
      board/ms7750se/Makefile
  3. 23
      board/ms7750se/config.mk
  4. 169
      board/ms7750se/lowlevel_init.S
  5. 51
      board/ms7750se/ms7750se.c
  6. 106
      board/ms7750se/u-boot.lds
  7. 75
      include/configs/ms7750se.h

12
Makefile
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@ -2408,6 +2408,18 @@ atstk1002_config : unconfig
#########################################################################
#########################################################################
#########################################################################
## sh4 (Renesas SuperH)
#########################################################################
ms7750se_config: unconfig
@ >include/config.h
@echo "#define CONFIG_MS7750SE 1" >> include/config.h
@./mkconfig -a $(@:_config=) sh sh4 ms7750se
#########################################################################
#########################################################################
#########################################################################
clean:
find $(OBJTREE) -type f \
\( -name 'core' -o -name '*.bak' -o -name '*~' \

43
board/ms7750se/Makefile
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#
# Copyright (C) 2007
# Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
#
# 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 $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
OBJS := ms7750se.o
SOBJS := lowlevel_init.o
$(LIB): $(OBJS) $(SOBJS)
$(AR) crv $@ $(OBJS) $(SOBJS)
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#################################################################
.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
-include .depend
#################################################################

23
board/ms7750se/config.mk
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#
# Copyright (C) 2007
# Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
#
# 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
#
#
# NOTE: Must match value used in u-boot.lds (in this directory).
#
TEXT_BASE = 0x8FFC0000

169
board/ms7750se/lowlevel_init.S
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@ -0,0 +1,169 @@
/*
modified from SH-IPL+g
Renesaso SuperH Solution Enginge MS775x BSC setting
Coyright (c) 2007 Nobuhiro Iwamatsu
*/
#include <config.h>
#include <version.h>
#include <asm/processor.h>
#ifdef CONFIG_CPU_SUBTYPE_SH7751
#define BCR2_D_VALUE 0x2FFC /* Area 1-6 width: 32/32/32/32/32/16 */
#define WCR1_D_VALUE 0x02770771 /* DMA:0 A6:2 A3:0 A0:1 Others:15 */
#ifdef CONFIG_MRSHPC
#define WCR2_D_VALUE 0xFFFE4FE7 /* A6:15 A6B:7 A5:15 A5B:7 A4:15
A3:2 A2:15 A1:15 A0:6 A0B:7 */
#else /* CONFIG_MRSHPC*/
#define WCR2_D_VALUE 0x7FFE4FE7 /* A6:3 A6B:7 A5:15 A5B:7 A4:15
A3:2 A2:15 A1:15 A0:6 A0B:7 */
#endif /* CONFIG_MRSHPC */
#define WCR3_D_VALUE 0x01777771 /* A6: 0-1 A5: 1-3 A4: 1-3 A3: 1-3
A2: 1-3 A1: 1-3 A0: 0-1 */
#define LED_ADDRESS 0xBA000000 /* Address of LED register */
#define RTCOR_D_VALUE 0xA50D /* Write code A5, data 0D (~15us?) */
#define SDMR3_ADDRESS 0xFF940088 /* SDMR3 address on 32-bit bus */
#define MCR_D1_VALUE 0x100901B4 /* SDRAM 32-bit, CAS/RAS Refresh, ... */
#define MCR_D2_VALUE 0x500901B4 /* Same w/MRSET now 1 (mode reg cmd) */
#define SWITCH_ADDR 0xB9000000 /* Address of DIP switches */
#else /* CONFIG_CPU_SUBTYPE_SH7751 */
#define BCR2_D_VALUE 0x2E3C /* Area 1-6 width: 32/32/64/16/32/16 */
#define WCR1_D_VALUE 0x02720777 /* DMA:0 A6:2 A4:2 A3:0 Others:15 */
#define WCR2_D_VALUE 0xFFFE4FFF /* A6:15 A6B:7 A5:15 A5B:7 A4:15
A3:2 A2:15 A1:15 A0:15 A0B:7 */
#define WCR3_D_VALUE 0x01717771 /* A6: 0-1 A5: 1-3 A4: 0-1 A3: 1-3
A2: 1-3 A1: 1-3 A0: 0-1 */
#define LED_ADDRESS 0xB0C00000 /* Address of LED register */
#define RTCOR_D_VALUE 0xA510 /* Write code A5, data 10 (~15us?) */
#define SDMR3_ADDRESS 0xFF940110 /* SDMR3 address on 64-bit bus */
#define MCR_D1_VALUE 0x8801001C /* SDRAM 64-bit, CAS/RAS Refresh, ... */
#define MCR_D2_VALUE 0xC801001C /* Same w/MRSET now 1 (mode reg cmd) */
#define SWITCH_ADDR 0xb0800000 /* Address of DIP switches */
#endif /* CONFIG_CPU_SUBTYPE_SH7751 */
.global lowlevel_init
.text
.align 2
lowlevel_init:
mov.l L_CCR, r1 ! CCR Address
mov.l L_CCR_DISABLE, r0 ! CCR Data
mov.l r0, @r1
init_bsc:
mov.l FRQCR_A,r1 /* FRQCR Address */
mov.l FRQCR_D,r0 /* FRQCR Data */
mov.w r0,@r1
mov.l BCR1_A,r1 /* BCR1 Address */
mov.l BCR1_D,r0 /* BCR1 Data */
mov.l r0,@r1
mov.l BCR2_A,r1 /* BCR2 Address */
mov.l BCR2_D,r0 /* BCR2 Data */
mov.w r0,@r1
mov.l WCR1_A,r1 /* WCR1 Address */
mov.l WCR1_D,r0 /* WCR1 Data */
mov.l r0,@r1
mov.l WCR2_A,r1 /* WCR2 Address */
mov.l WCR2_D,r0 /* WCR2 Data */
mov.l r0,@r1
mov.l WCR3_A,r1 /* WCR3 Address */
mov.l WCR3_D,r0 /* WCR3 Data */
mov.l r0,@r1
mov.l LED_A,r1 /* LED Address */
mov #0xff,r0 /* LED ALL 'on' */
shll8 r0
mov.w r0,@r1
mov.l MCR_A,r1 /* MCR Address */
mov.l MCR_D1,r0 /* MCR Data1 */
mov.l r0,@r1
mov.l SDMR3_A,r1 /* Set SDRAM mode */
mov #0,r0
mov.b r0,@r1
! Do you need PCMCIA setting?
! If so, please add the lines here...
mov.l RTCNT_A,r1 /* RTCNT Address */
mov.l RTCNT_D,r0 /* RTCNT Data */
mov.w r0,@r1
mov.l RTCOR_A,r1 /* RTCOR Address */
mov.l RTCOR_D,r0 /* RTCOR Data */
mov.w r0,@r1
mov.l RTCSR_A,r1 /* RTCSR Address */
mov.l RTCSR_D,r0 /* RTCSR Data */
mov.w r0,@r1
mov.l RFCR_A,r1 /* RFCR Address */
mov.l RFCR_D,r0 /* RFCR Data */
mov.w r0,@r1 /* Clear reflesh counter */
/* Wait DRAM refresh 30 times */
mov #30,r3
1:
mov.w @r1,r0
extu.w r0,r2
cmp/hi r3,r2
bf 1b
mov.l MCR_A,r1 /* MCR Address */
mov.l MCR_D2,r0 /* MCR Data2 */
mov.l r0,@r1
mov.l SDMR3_A,r1 /* Set SDRAM mode */
mov #0,r0
mov.b r0,@r1
rts
nop
.align 2
L_CCR: .long CCR
L_CCR_DISABLE: .long 0x0808
FRQCR_A: .long FRQCR
FRQCR_D:
#ifdef CONFIG_CPU_SUBTYPE_SH_R
.long 0x00000e1a /* 12:3:3 */
#else
#ifdef CONFIG_GOOD_SESH4
.long 0x00000e13 /* 6:2:1 */
#else
.long 0x00000e23 /* 6:1:1 */
#endif
#endif /* CONFIG_CPU_SUBTYPE_SH_R */
BCR1_A: .long BCR1
BCR1_D: .long 0x00000008 /* Area 3 SDRAM */
BCR2_A: .long BCR2
BCR2_D: .long BCR2_D_VALUE /* Bus width settings */
WCR1_A: .long WCR1
WCR1_D: .long WCR1_D_VALUE /* Inter-area or turnaround wait states */
WCR2_A: .long WCR2
WCR2_D: .long WCR2_D_VALUE /* Per-area access and burst wait states */
WCR3_A: .long WCR3
WCR3_D: .long WCR3_D_VALUE /* Address setup and data hold cycles */
LED_A: .long LED_ADDRESS /* LED Address */
RTCSR_A: .long RTCSR
RTCSR_D: .long 0xA518 /* RTCSR Write Code A5h Data 18h */
RTCNT_A: .long RTCNT
RTCNT_D: .long 0xA500 /* RTCNT Write Code A5h Data 00h */
RTCOR_A: .long RTCOR
RTCOR_D: .long RTCOR_D_VALUE /* Set refresh time (about 15us) */
SDMR3_A: .long SDMR3_ADDRESS
MCR_A: .long MCR
MCR_D1: .long MCR_D1_VALUE
MCR_D2: .long MCR_D2_VALUE
RFCR_A: .long RFCR
RFCR_D: .long 0xA400 /* RFCR Write Code A4h Data 00h */

51
board/ms7750se/ms7750se.c
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@ -0,0 +1,51 @@
/*
* Copyright (C) 2007
* Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
*
* 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 <common.h>
#include <asm/processor.h>
int checkboard(void)
{
puts("BOARD: SH7750 Solution Engine\n");
return 0;
}
int board_init(void)
{
return 0;
}
int dram_init (void)
{
DECLARE_GLOBAL_DATA_PTR;
gd->bd->bi_memstart = CFG_SDRAM_BASE;
gd->bd->bi_memsize = CFG_SDRAM_SIZE;
printf("DRAM: %dMB\n", CFG_SDRAM_SIZE / (1024 * 1024));
return 0;
}
int board_late_init(void)
{
return 0;
}

106
board/ms7750se/u-boot.lds
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/*
* Copyrigth (c) 2007
* Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
*
* 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
*/
OUTPUT_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux")
OUTPUT_ARCH(sh)
ENTRY(_start)
SECTIONS
{
/*
Base address of internal SDRAM is 0x0C000000.
Although size of SDRAM can be either 16 or 32 MBytes,
we assume 16 MBytes (ie ignore upper half if the full
32 MBytes is present).
NOTE: This address must match with the definition of
TEXT_BASE in config.mk (in this directory).
*/
. = 0x8C000000 + (64*1024*1024) - (256*1024);
PROVIDE (reloc_dst = .);
PROVIDE (_ftext = .);
PROVIDE (_fcode = .);
PROVIDE (_start = .);
.text :
{
cpu/sh4/start.o (.text)
. = ALIGN(8192);
common/environment.o (.ppcenv)
. = ALIGN(8192);
common/environment.o (.ppcenvr)
. = ALIGN(8192);
*(.text)
. = ALIGN(4);
} =0xFF
PROVIDE (_ecode = .);
.rodata :
{
*(.rodata)
. = ALIGN(4);
}
PROVIDE (_etext = .);
PROVIDE (_fdata = .);
.data :
{
*(.data)
. = ALIGN(4);
}
PROVIDE (_edata = .);
PROVIDE (_fgot = .);
.got :
{
*(.got)
. = ALIGN(4);
}
PROVIDE (_egot = .);
PROVIDE (__u_boot_cmd_start = .);
.u_boot_cmd :
{
*(.u_boot_cmd)
. = ALIGN(4);
}
PROVIDE (__u_boot_cmd_end = .);
PROVIDE (reloc_dst_end = .);
/* _reloc_dst_end = .; */
PROVIDE (bss_start = .);
PROVIDE (__bss_start = .);
.bss :
{
*(.bss)
. = ALIGN(4);
}
PROVIDE (bss_end = .);
PROVIDE (_end = .);
}

75
include/configs/ms7750se.h
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#ifndef __CONFIG_H
#define __CONFIG_H
#undef DEBUG
#define CONFIG_SH 1
#define CONFIG_SH4 1
#define CONFIG_CPU_SH7750 1
#define CONFIG_MS7750SE 1
#define __LITTLE_ENDIAN__ 1
//#define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_NET |CFG_CMD_PING)
#define CONFIG_COMMANDS CONFIG_CMD_DFL & ~CFG_CMD_NET
#define CFG_SCIF_CONSOLE 1
#define CONFIG_BAUDRATE 38400
#define CONFIG_CONS_SCIF1 1
#define BOARD_LATE_INIT 1
#include <cmd_confdefs.h>
#define CONFIG_BOOTDELAY -1
#define CONFIG_BOOTARGS "console=ttySC0,115200"
#define CONFIG_ENV_OVERWRITE 1
#define CFG_SDRAM_BASE (0x8C000000)
#define CFG_SDRAM_SIZE (64 * 1024 * 1024)
#define CFG_LONGHELP
#define CFG_PROMPT "=> "
#define CFG_CBSIZE 256
#define CFG_PBSIZE 256
#define CFG_MAXARGS 16
#define CFG_BARGSIZE 512
#define CFG_BAUDRATE_TABLE { 115200, 57600, 38400, 19200, 9600 } /* List of legal baudrate settings for this board */
#define CFG_MEMTEST_START (CFG_SDRAM_BASE)
#define CFG_MEMTEST_END (TEXT_BASE - 0x100000)
#define CFG_LOAD_ADDR (CFG_SDRAM_BASE + 4 * 1024 * 1024)
#define CFG_MONITOR_BASE (CFG_FLASH_BASE) /* Address of u-boot image in Flash */
#define CFG_MONITOR_LEN (128 * 1024)
#define CFG_MALLOC_LEN (256 * 1024) /* Size of DRAM reserved for malloc() use */
#define CFG_GBL_DATA_SIZE (256) /* size in bytes reserved for initial data */
#define CFG_BOOTMAPSZ (8 * 1024 * 1024)
#define CFG_RX_ETH_BUFFER (8)
#define CFG_FLASH_CFI
#define CFG_FLASH_CFI_DRIVER
#undef CFG_FLASH_CFI_BROKEN_TABLE
#undef CFG_FLASH_QUIET_TEST
#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
#define CFG_FLASH_BASE (0xA1000000)
#define CFG_MAX_FLASH_BANKS (1) /* Max number of
* Flash memory banks
*/
#define CFG_MAX_FLASH_SECT 142
#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE }
#define CFG_ENV_IS_IN_FLASH
#define CFG_ENV_SECT_SIZE 0x20000
#define CFG_ENV_SIZE (CFG_ENV_SECT_SIZE)
#define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
#define CFG_FLASH_ERASE_TOUT 120000
#define CFG_FLASH_WRITE_TOUT 500
#define CONFIG_SYS_CLK_FREQ 33333333
#define TMU_CLK_DIVIDER 4
#define CFG_HZ (CONFIG_SYS_CLK_FREQ / TMU_CLK_DIVIDER)
#define CFG_PLL_SETTLING_TIME 100 /* in us */
#endif /* __CONFIG_H */
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