[U-Boot] sh: add support for sh7752evb board

The R0P7752C00000RZ board has SH7752, 512MB DDR3-SDRAM, SPI ROM,
Gigabit Ethernet, and eMMC.

This patch supports the following functions:
 - 512MB DDR3-SDRAM, SCIF4, SPI ROM, Gigabit Ethernet, eMMC

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
---
 MAINTAINERS                             |    1 +
 arch/sh/include/asm/cpu_sh4.h           |    2 +
 arch/sh/include/asm/cpu_sh7752.h        |  211 ++++++++++++++
 board/renesas/sh7752evb/Makefile        |   36 +++
 board/renesas/sh7752evb/lowlevel_init.S |  460 +++++++++++++++++++++++++++++++
 board/renesas/sh7752evb/sh7752evb.c     |  330 ++++++++++++++++++++++
 board/renesas/sh7752evb/spi-boot.c      |  116 ++++++++
 board/renesas/sh7752evb/u-boot.lds      |   97 +++++++
 boards.cfg                              |    1 +
 doc/README.sh7752evb                    |   67 +++++
 include/configs/sh7752evb.h             |  153 ++++++++++
 11 files changed, 1474 insertions(+), 0 deletions(-)
 create mode 100644 arch/sh/include/asm/cpu_sh7752.h
 create mode 100644 board/renesas/sh7752evb/Makefile
 create mode 100644 board/renesas/sh7752evb/lowlevel_init.S
 create mode 100644 board/renesas/sh7752evb/sh7752evb.c
 create mode 100644 board/renesas/sh7752evb/spi-boot.c
 create mode 100644 board/renesas/sh7752evb/u-boot.lds
 create mode 100644 doc/README.sh7752evb
 create mode 100644 include/configs/sh7752evb.h

Applied, thanks.

Best regards,
  Nobuhiro

On Mon, Nov 5, 2012 at 10:53 AM, Shimoda, Yoshihiro
<yoshihiro.shimoda.uh@renesas.com> wrote:
> The R0P7752C00000RZ board has SH7752, 512MB DDR3-SDRAM, SPI ROM,
> Gigabit Ethernet, and eMMC.
>
> This patch supports the following functions:
>  - 512MB DDR3-SDRAM, SCIF4, SPI ROM, Gigabit Ethernet, eMMC
>
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
> ---
>  MAINTAINERS                             |    1 +
>  arch/sh/include/asm/cpu_sh4.h           |    2 +
>  arch/sh/include/asm/cpu_sh7752.h        |  211 ++++++++++++++
>  board/renesas/sh7752evb/Makefile        |   36 +++
>  board/renesas/sh7752evb/lowlevel_init.S |  460 +++++++++++++++++++++++++++++++
>  board/renesas/sh7752evb/sh7752evb.c     |  330 ++++++++++++++++++++++
>  board/renesas/sh7752evb/spi-boot.c      |  116 ++++++++
>  board/renesas/sh7752evb/u-boot.lds      |   97 +++++++
>  boards.cfg                              |    1 +
>  doc/README.sh7752evb                    |   67 +++++
>  include/configs/sh7752evb.h             |  153 ++++++++++
>  11 files changed, 1474 insertions(+), 0 deletions(-)
>  create mode 100644 arch/sh/include/asm/cpu_sh7752.h
>  create mode 100644 board/renesas/sh7752evb/Makefile
>  create mode 100644 board/renesas/sh7752evb/lowlevel_init.S
>  create mode 100644 board/renesas/sh7752evb/sh7752evb.c
>  create mode 100644 board/renesas/sh7752evb/spi-boot.c
>  create mode 100644 board/renesas/sh7752evb/u-boot.lds
>  create mode 100644 doc/README.sh7752evb
>  create mode 100644 include/configs/sh7752evb.h
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 2daee7d..d7f49e9 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -1184,6 +1184,7 @@ Mark Jonas <mark.jonas@de.bosch.com>
>  Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
>
>         MS7720SE        SH7720
> +       R0P77520000RZ   SH7752
>         R0P77570030RL   SH7757
>         R0P77850011RL   SH7785
>
> diff --git a/arch/sh/include/asm/cpu_sh4.h b/arch/sh/include/asm/cpu_sh4.h
> index f1f49fe..af5c56f 100644
> --- a/arch/sh/include/asm/cpu_sh4.h
> +++ b/arch/sh/include/asm/cpu_sh4.h
> @@ -48,6 +48,8 @@
>  # include <asm/cpu_sh7724.h>
>  #elif defined (CONFIG_CPU_SH7734)
>  # include <asm/cpu_sh7734.h>
> +#elif defined (CONFIG_CPU_SH7752)
> +# include <asm/cpu_sh7752.h>
>  #elif defined (CONFIG_CPU_SH7757)
>  # include <asm/cpu_sh7757.h>
>  #elif defined (CONFIG_CPU_SH7763)
> diff --git a/arch/sh/include/asm/cpu_sh7752.h b/arch/sh/include/asm/cpu_sh7752.h
> new file mode 100644
> index 0000000..f0ad0e8
> --- /dev/null
> +++ b/arch/sh/include/asm/cpu_sh7752.h
> @@ -0,0 +1,211 @@
> +/*
> + * Copyright (C) 2012  Renesas Solutions Corp.
> + *
> + * 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
> + *
> + */
> +
> +#ifndef _ASM_CPU_SH7752_H_
> +#define _ASM_CPU_SH7752_H_
> +
> +#define CCR            0xFF00001C
> +#define WTCNT          0xFFCC0000
> +#define CCR_CACHE_INIT 0x0000090b
> +#define CACHE_OC_NUM_WAYS      1
> +
> +#ifndef __ASSEMBLY__           /* put C only stuff in this section */
> +/* MMU */
> +struct mmu_regs {
> +       unsigned int    reserved[4];
> +       unsigned int    mmucr;
> +};
> +#define MMU_BASE       ((struct mmu_regs *)0xff000000)
> +
> +/* Watchdog */
> +#define WTCSR0         0xffcc0002
> +#define WRSTCSR_R      0xffcc0003
> +#define WRSTCSR_W      0xffcc0002
> +#define WTCSR_PREFIX           0xa500
> +#define WRSTCSR_PREFIX         0x6900
> +#define WRSTCSR_WOVF_PREFIX    0x9600
> +
> +/* SCIF */
> +#define SCIF0_BASE     0xfe4b0000      /* The real name is SCIF2 */
> +#define SCIF1_BASE     0xfe4c0000      /* The real name is SCIF3 */
> +#define SCIF2_BASE     0xfe4d0000      /* The real name is SCIF4 */
> +
> +/* TMU0 */
> +#define TMU_BASE        0xFE430000
> +
> +/* ETHER, GETHER MAC address */
> +struct ether_mac_regs {
> +       unsigned int    reserved[114];
> +       unsigned int    mahr;
> +       unsigned int    reserved2;
> +       unsigned int    malr;
> +};
> +#define GETHER0_MAC_BASE       ((struct ether_mac_regs *)0xfee0400)
> +#define GETHER1_MAC_BASE       ((struct ether_mac_regs *)0xfee0c00)
> +#define ETHER0_MAC_BASE                ((struct ether_mac_regs *)0xfef0000)
> +#define ETHER1_MAC_BASE                ((struct ether_mac_regs *)0xfef0800)
> +
> +/* GETHER */
> +struct gether_control_regs {
> +       unsigned int    gbecont;
> +};
> +#define GETHER_CONTROL_BASE    ((struct gether_control_regs *)0xffc10100)
> +#define GBECONT_RMII1          0x00020000
> +#define GBECONT_RMII0          0x00010000
> +
> +/* SerMux */
> +struct sermux_regs {
> +       unsigned char   smr0;
> +       unsigned char   smr1;
> +       unsigned char   smr2;
> +       unsigned char   smr3;
> +       unsigned char   smr4;
> +       unsigned char   smr5;
> +};
> +#define SERMUX_BASE    ((struct sermux_regs *)0xfe470000)
> +
> +
> +/* USB0/1 */
> +struct usb_common_regs {
> +       unsigned short  reserved[129];
> +       unsigned short  suspmode;
> +};
> +#define USB0_COMMON_BASE       ((struct usb_common_regs *)0xfe450000)
> +#define USB1_COMMON_BASE       ((struct usb_common_regs *)0xfe4f0000)
> +
> +struct usb0_phy_regs {
> +       unsigned short  reset;
> +       unsigned short  reserved[4];
> +       unsigned short  portsel;
> +};
> +#define USB0_PHY_BASE          ((struct usb0_phy_regs *)0xfe5f0000)
> +
> +struct usb1_port_regs {
> +       unsigned int    port1sel;
> +       unsigned int    reserved;
> +       unsigned int    usb1intsts;
> +};
> +#define USB1_PORT_BASE         ((struct usb1_port_regs *)0xfe4f2000)
> +
> +struct usb1_alignment_regs {
> +       unsigned int    ehcidatac;      /* 0xfe4fe018 */
> +       unsigned int    reserved[63];
> +       unsigned int    ohcidatac;
> +};
> +#define USB1_ALIGNMENT_BASE    ((struct usb1_alignment_regs *)0xfe4fe018)
> +
> +/* GPIO */
> +struct gpio_regs {
> +       unsigned short  pacr;
> +       unsigned short  pbcr;
> +       unsigned short  pccr;
> +       unsigned short  pdcr;
> +       unsigned short  pecr;
> +       unsigned short  pfcr;
> +       unsigned short  pgcr;
> +       unsigned short  phcr;
> +       unsigned short  picr;
> +       unsigned short  pjcr;
> +       unsigned short  pkcr;
> +       unsigned short  plcr;
> +       unsigned short  pmcr;
> +       unsigned short  pncr;
> +       unsigned short  pocr;
> +       unsigned short  reserved;
> +       unsigned short  pqcr;
> +       unsigned short  prcr;
> +       unsigned short  pscr;
> +       unsigned short  ptcr;
> +       unsigned short  pucr;
> +       unsigned short  pvcr;
> +       unsigned short  pwcr;
> +       unsigned short  pxcr;
> +       unsigned short  pycr;
> +       unsigned short  pzcr;
> +       unsigned char   padr;
> +       unsigned char   reserved_a;
> +       unsigned char   pbdr;
> +       unsigned char   reserved_b;
> +       unsigned char   pcdr;
> +       unsigned char   reserved_c;
> +       unsigned char   pddr;
> +       unsigned char   reserved_d;
> +       unsigned char   pedr;
> +       unsigned char   reserved_e;
> +       unsigned char   pfdr;
> +       unsigned char   reserved_f;
> +       unsigned char   pgdr;
> +       unsigned char   reserved_g;
> +       unsigned char   phdr;
> +       unsigned char   reserved_h;
> +       unsigned char   pidr;
> +       unsigned char   reserved_i;
> +       unsigned char   pjdr;
> +       unsigned char   reserved_j;
> +       unsigned char   pkdr;
> +       unsigned char   reserved_k;
> +       unsigned char   pldr;
> +       unsigned char   reserved_l;
> +       unsigned char   pmdr;
> +       unsigned char   reserved_m;
> +       unsigned char   pndr;
> +       unsigned char   reserved_n;
> +       unsigned char   podr;
> +       unsigned char   reserved_o;
> +       unsigned char   ppdr;
> +       unsigned char   reserved_p;
> +       unsigned char   pqdr;
> +       unsigned char   reserved_q;
> +       unsigned char   prdr;
> +       unsigned char   reserved_r;
> +       unsigned char   psdr;
> +       unsigned char   reserved_s;
> +       unsigned char   ptdr;
> +       unsigned char   reserved_t;
> +       unsigned char   pudr;
> +       unsigned char   reserved_u;
> +       unsigned char   pvdr;
> +       unsigned char   reserved_v;
> +       unsigned char   pwdr;
> +       unsigned char   reserved_w;
> +       unsigned char   pxdr;
> +       unsigned char   reserved_x;
> +       unsigned char   pydr;
> +       unsigned char   reserved_y;
> +       unsigned char   pzdr;
> +       unsigned char   reserved_z;
> +       unsigned short  ncer;
> +       unsigned short  ncmcr;
> +       unsigned short  nccsr;
> +       unsigned char   reserved2[2];
> +       unsigned short  psel0;          /* +0x70 */
> +       unsigned short  psel1;
> +       unsigned short  psel2;
> +       unsigned short  psel3;
> +       unsigned short  psel4;
> +       unsigned short  psel5;
> +       unsigned short  psel6;
> +       unsigned short  reserved3[2];
> +       unsigned short  psel7;
> +};
> +#define GPIO_BASE      ((struct gpio_regs *)0xffec0000)
> +
> +#endif /* ifndef __ASSEMBLY__ */
> +#endif /* _ASM_CPU_SH7752_H_ */
> diff --git a/board/renesas/sh7752evb/Makefile b/board/renesas/sh7752evb/Makefile
> new file mode 100644
> index 0000000..196c992
> --- /dev/null
> +++ b/board/renesas/sh7752evb/Makefile
> @@ -0,0 +1,36 @@
> +#
> +# Copyright (C) 2012  Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.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 $(TOPDIR)/config.mk
> +
> +LIB    = $(obj)lib$(BOARD).o
> +
> +COBJS  := sh7752evb.o spi-boot.o
> +SOBJS  := lowlevel_init.o
> +
> +$(LIB):        $(obj).depend $(COBJS) $(SOBJS)
> +       $(call cmd_link_o_target, $(COBJS) $(SOBJS))
> +
> +#########################################################################
> +
> +# defines $(obj).depend target
> +include $(SRCTREE)/rules.mk
> +
> +sinclude $(obj).depend
> +
> +#########################################################################
> diff --git a/board/renesas/sh7752evb/lowlevel_init.S b/board/renesas/sh7752evb/lowlevel_init.S
> new file mode 100644
> index 0000000..73c8ac4
> --- /dev/null
> +++ b/board/renesas/sh7752evb/lowlevel_init.S
> @@ -0,0 +1,460 @@
> +/*
> + * Copyright (C) 2012  Renesas Solutions Corp.
> + *
> + * 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 <config.h>
> +#include <version.h>
> +#include <asm/processor.h>
> +#include <asm/macro.h>
> +
> +.macro or32, addr, data
> +       mov.l \addr, r1
> +       mov.l \data, r0
> +       mov.l @r1, r2
> +       or    r2, r0
> +       mov.l r0, @r1
> +.endm
> +
> +.macro wait_DBCMD
> +       mov.l   DBWAIT_A, r0
> +       mov.l   @r0, r1
> +.endm
> +
> +       .global lowlevel_init
> +       .section        .spiboot1.text
> +       .align  2
> +
> +lowlevel_init:
> +       /*------- GPIO -------*/
> +       write16 PDCR_A, PDCR_D          ! SPI0
> +       write16 PGCR_A, PGCR_D          ! SPI0, GETHER MDIO gate(PTG1)
> +       write16 PJCR_A, PJCR_D          ! SCIF4
> +       write16 PTCR_A, PTCR_D          ! STATUS
> +       write16 PSEL1_A, PSEL1_D        ! SPI0
> +       write16 PSEL2_A, PSEL2_D        ! SPI0
> +       write16 PSEL5_A, PSEL5_D        ! STATUS
> +
> +       bra     exit_gpio
> +       nop
> +
> +       .align  2
> +
> +/*------- GPIO -------*/
> +PDCR_A:                .long   0xffec0006
> +PGCR_A:                .long   0xffec000c
> +PJCR_A:                .long   0xffec0012
> +PTCR_A:                .long   0xffec0026
> +PSEL1_A:       .long   0xffec0072
> +PSEL2_A:       .long   0xffec0074
> +PSEL5_A:       .long   0xffec007a
> +
> +PDCR_D:                .long   0x0000
> +PGCR_D:                .long   0x0004
> +PJCR_D:                .long   0x0000
> +PTCR_D:                .long   0x0000
> +PSEL1_D:       .long   0x0000
> +PSEL2_D:       .long   0x3000
> +PSEL5_D:       .long   0x0ffc
> +
> +       .align  2
> +
> +exit_gpio:
> +       mov     #0, r14
> +       mova    2f, r0
> +       mov.l   PC_MASK, r1
> +       tst     r0, r1
> +       bf      2f
> +
> +       bra     exit_pmb
> +       nop
> +
> +       .align  2
> +
> +/* If CPU runs on SDRAM (PC=0x5???????) or not. */
> +PC_MASK:       .long   0x20000000
> +
> +2:
> +       mov     #1, r14
> +
> +       mov.l   EXPEVT_A, r0
> +       mov.l   @r0, r0
> +       mov.l   EXPEVT_POWER_ON_RESET, r1
> +       cmp/eq  r0, r1
> +       bt      1f
> +
> +       /*
> +        * If EXPEVT value is manual reset or tlb multipul-hit,
> +        * initialization of DDR3IF is not necessary.
> +        */
> +       bra     exit_ddr
> +       nop
> +
> +1:
> +       /*------- Reset -------*/
> +       write32 MRSTCR0_A, MRSTCR0_D
> +       write32 MRSTCR1_A, MRSTCR1_D
> +
> +       /* For Core Reset */
> +       mov.l   DBACEN_A, r0
> +       mov.l   @r0, r0
> +       cmp/eq  #0, r0
> +       bt      3f
> +
> +       /*
> +        * If DBACEN == 1(DBSC was already enabled), we have to avoid the
> +        * initialization of DDR3-SDRAM.
> +        */
> +       bra     exit_ddr
> +       nop
> +
> +3:
> +       /*------- DDR3IF -------*/
> +       /* oscillation stabilization time */
> +       wait_timer      WAIT_OSC_TIME
> +
> +       /* step 3 */
> +       write32 DBCMD_A, DBCMD_RSTL_VAL
> +       wait_timer      WAIT_30US
> +
> +       /* step 4 */
> +       write32 DBCMD_A, DBCMD_PDEN_VAL
> +
> +       /* step 5 */
> +       write32 DBKIND_A, DBKIND_D
> +
> +       /* step 6 */
> +       write32 DBCONF_A, DBCONF_D
> +       write32 DBTR0_A, DBTR0_D
> +       write32 DBTR1_A, DBTR1_D
> +       write32 DBTR2_A, DBTR2_D
> +       write32 DBTR3_A, DBTR3_D
> +       write32 DBTR4_A, DBTR4_D
> +       write32 DBTR5_A, DBTR5_D
> +       write32 DBTR6_A, DBTR6_D
> +       write32 DBTR7_A, DBTR7_D
> +       write32 DBTR8_A, DBTR8_D
> +       write32 DBTR9_A, DBTR9_D
> +       write32 DBTR10_A, DBTR10_D
> +       write32 DBTR11_A, DBTR11_D
> +       write32 DBTR12_A, DBTR12_D
> +       write32 DBTR13_A, DBTR13_D
> +       write32 DBTR14_A, DBTR14_D
> +       write32 DBTR15_A, DBTR15_D
> +       write32 DBTR16_A, DBTR16_D
> +       write32 DBTR17_A, DBTR17_D
> +       write32 DBTR18_A, DBTR18_D
> +       write32 DBTR19_A, DBTR19_D
> +       write32 DBRNK0_A, DBRNK0_D
> +
> +       /* step 7 */
> +       write32 DBPDCNT3_A, DBPDCNT3_D
> +
> +       /* step 8 */
> +       write32 DBPDCNT1_A, DBPDCNT1_D
> +       write32 DBPDCNT2_A, DBPDCNT2_D
> +       write32 DBPDLCK_A, DBPDLCK_D
> +       write32 DBPDRGA_A, DBPDRGA_D
> +       write32 DBPDRGD_A, DBPDRGD_D
> +
> +       /* step 9 */
> +       wait_timer      WAIT_30US
> +
> +       /* step 10 */
> +       write32 DBPDCNT0_A, DBPDCNT0_D
> +
> +       /* step 11 */
> +       wait_timer      WAIT_30US
> +       wait_timer      WAIT_30US
> +
> +       /* step 12 */
> +       write32 DBCMD_A, DBCMD_WAIT_VAL
> +       wait_DBCMD
> +
> +       /* step 13 */
> +       write32 DBCMD_A, DBCMD_RSTH_VAL
> +       wait_DBCMD
> +
> +       /* step 14 */
> +       write32 DBCMD_A, DBCMD_WAIT_VAL
> +       write32 DBCMD_A, DBCMD_WAIT_VAL
> +       write32 DBCMD_A, DBCMD_WAIT_VAL
> +       write32 DBCMD_A, DBCMD_WAIT_VAL
> +
> +       /* step 15 */
> +       write32 DBCMD_A, DBCMD_PDXT_VAL
> +
> +       /* step 16 */
> +       write32 DBCMD_A, DBCMD_MRS2_VAL
> +
> +       /* step 17 */
> +       write32 DBCMD_A, DBCMD_MRS3_VAL
> +
> +       /* step 18 */
> +       write32 DBCMD_A, DBCMD_MRS1_VAL
> +
> +       /* step 19 */
> +       write32 DBCMD_A, DBCMD_MRS0_VAL
> +
> +       /* step 20 */
> +       write32 DBCMD_A, DBCMD_ZQCL_VAL
> +
> +       write32 DBCMD_A, DBCMD_REF_VAL
> +       write32 DBCMD_A, DBCMD_REF_VAL
> +       wait_DBCMD
> +
> +       /* step 21 */
> +       write32 DBADJ0_A, DBADJ0_D
> +       write32 DBADJ1_A, DBADJ1_D
> +       write32 DBADJ2_A, DBADJ2_D
> +
> +       /* step 22 */
> +       write32 DBRFCNF0_A, DBRFCNF0_D
> +       write32 DBRFCNF1_A, DBRFCNF1_D
> +       write32 DBRFCNF2_A, DBRFCNF2_D
> +
> +       /* step 23 */
> +       write32 DBCALCNF_A, DBCALCNF_D
> +
> +       /* step 24 */
> +       write32 DBRFEN_A, DBRFEN_D
> +       write32 DBCMD_A, DBCMD_SRXT_VAL
> +
> +       /* step 25 */
> +       write32 DBACEN_A, DBACEN_D
> +
> +       /* step 26 */
> +       wait_DBCMD
> +
> +       bra     exit_ddr
> +       nop
> +
> +       .align 2
> +
> +EXPEVT_A:              .long   0xff000024
> +EXPEVT_POWER_ON_RESET: .long   0x00000000
> +
> +/*------- Reset -------*/
> +MRSTCR0_A:     .long   0xffd50030
> +MRSTCR0_D:     .long   0xfe1ffe7f
> +MRSTCR1_A:     .long   0xffd50034
> +MRSTCR1_D:     .long   0xfff3ffff
> +
> +/*------- DDR3IF -------*/
> +DBCMD_A:       .long   0xfe800018
> +DBKIND_A:      .long   0xfe800020
> +DBCONF_A:      .long   0xfe800024
> +DBTR0_A:       .long   0xfe800040
> +DBTR1_A:       .long   0xfe800044
> +DBTR2_A:       .long   0xfe800048
> +DBTR3_A:       .long   0xfe800050
> +DBTR4_A:       .long   0xfe800054
> +DBTR5_A:       .long   0xfe800058
> +DBTR6_A:       .long   0xfe80005c
> +DBTR7_A:       .long   0xfe800060
> +DBTR8_A:       .long   0xfe800064
> +DBTR9_A:       .long   0xfe800068
> +DBTR10_A:      .long   0xfe80006c
> +DBTR11_A:      .long   0xfe800070
> +DBTR12_A:      .long   0xfe800074
> +DBTR13_A:      .long   0xfe800078
> +DBTR14_A:      .long   0xfe80007c
> +DBTR15_A:      .long   0xfe800080
> +DBTR16_A:      .long   0xfe800084
> +DBTR17_A:      .long   0xfe800088
> +DBTR18_A:      .long   0xfe80008c
> +DBTR19_A:      .long   0xfe800090
> +DBRNK0_A:      .long   0xfe800100
> +DBPDCNT0_A:    .long   0xfe800200
> +DBPDCNT1_A:    .long   0xfe800204
> +DBPDCNT2_A:    .long   0xfe800208
> +DBPDCNT3_A:    .long   0xfe80020c
> +DBPDLCK_A:     .long   0xfe800280
> +DBPDRGA_A:     .long   0xfe800290
> +DBPDRGD_A:     .long   0xfe8002a0
> +DBADJ0_A:      .long   0xfe8000c0
> +DBADJ1_A:      .long   0xfe8000c4
> +DBADJ2_A:      .long   0xfe8000c8
> +DBRFCNF0_A:    .long   0xfe8000e0
> +DBRFCNF1_A:    .long   0xfe8000e4
> +DBRFCNF2_A:    .long   0xfe8000e8
> +DBCALCNF_A:    .long   0xfe8000f4
> +DBRFEN_A:      .long   0xfe800014
> +DBACEN_A:      .long   0xfe800010
> +DBWAIT_A:      .long   0xfe80001c
> +
> +WAIT_OSC_TIME: .long   6000
> +WAIT_30US:     .long   13333
> +
> +DBCMD_RSTL_VAL:        .long   0x20000000
> +DBCMD_PDEN_VAL:        .long   0x1000d73c
> +DBCMD_WAIT_VAL:        .long   0x0000d73c
> +DBCMD_RSTH_VAL:        .long   0x2100d73c
> +DBCMD_PDXT_VAL:        .long   0x110000c8
> +DBCMD_MRS0_VAL:        .long   0x28000930
> +DBCMD_MRS1_VAL:        .long   0x29000004
> +DBCMD_MRS2_VAL:        .long   0x2a000008
> +DBCMD_MRS3_VAL:        .long   0x2b000000
> +DBCMD_ZQCL_VAL:        .long   0x03000200
> +DBCMD_REF_VAL: .long   0x0c000000
> +DBCMD_SRXT_VAL:        .long   0x19000000
> +DBKIND_D:      .long   0x00000007
> +DBCONF_D:      .long   0x0f030a01
> +DBTR0_D:       .long   0x00000007
> +DBTR1_D:       .long   0x00000006
> +DBTR2_D:       .long   0x00000000
> +DBTR3_D:       .long   0x00000007
> +DBTR4_D:       .long   0x00070007
> +DBTR5_D:       .long   0x0000001b
> +DBTR6_D:       .long   0x00000014
> +DBTR7_D:       .long   0x00000005
> +DBTR8_D:       .long   0x00000015
> +DBTR9_D:       .long   0x00000006
> +DBTR10_D:      .long   0x00000008
> +DBTR11_D:      .long   0x00000007
> +DBTR12_D:      .long   0x0000000e
> +DBTR13_D:      .long   0x00000056
> +DBTR14_D:      .long   0x00000006
> +DBTR15_D:      .long   0x00000004
> +DBTR16_D:      .long   0x00150002
> +DBTR17_D:      .long   0x000c0017
> +DBTR18_D:      .long   0x00000200
> +DBTR19_D:      .long   0x00000040
> +DBRNK0_D:      .long   0x00000001
> +DBPDCNT0_D:    .long   0x00000001
> +DBPDCNT1_D:    .long   0x00000001
> +DBPDCNT2_D:    .long   0x00000000
> +DBPDCNT3_D:    .long   0x00004010
> +DBPDLCK_D:     .long   0x0000a55a
> +DBPDRGA_D:     .long   0x00000028
> +DBPDRGD_D:     .long   0x00017100
> +
> +DBADJ0_D:      .long   0x00000000
> +DBADJ1_D:      .long   0x00000000
> +DBADJ2_D:      .long   0x18061806
> +DBRFCNF0_D:    .long   0x000001ff
> +DBRFCNF1_D:    .long   0x08001000
> +DBRFCNF2_D:    .long   0x00000000
> +DBCALCNF_D:    .long   0x0000ffff
> +DBRFEN_D:      .long   0x00000001
> +DBACEN_D:      .long   0x00000001
> +
> +       .align 2
> +exit_ddr:
> +#if defined(CONFIG_SH_32BIT)
> +       /*------- set PMB -------*/
> +       write32 PASCR_A,        PASCR_29BIT_D
> +       write32 MMUCR_A,        MMUCR_D
> +
> +       /*****************************************************************
> +        * ent  virt            phys            v       sz      c       wt
> +        * 0    0xa0000000      0x00000000      1       128M    0       1
> +        * 1    0xa8000000      0x48000000      1       128M    0       1
> +        * 5    0x88000000      0x48000000      1       128M    1       1
> +        */
> +       write32 PMB_ADDR_SPIBOOT_A,     PMB_ADDR_SPIBOOT_D
> +       write32 PMB_DATA_SPIBOOT_A,     PMB_DATA_SPIBOOT_D
> +       write32 PMB_ADDR_DDR_C1_A,      PMB_ADDR_DDR_C1_D
> +       write32 PMB_DATA_DDR_C1_A,      PMB_DATA_DDR_C1_D
> +       write32 PMB_ADDR_DDR_N1_A,      PMB_ADDR_DDR_N1_D
> +       write32 PMB_DATA_DDR_N1_A,      PMB_DATA_DDR_N1_D
> +
> +       write32 PMB_ADDR_ENTRY2,        PMB_ADDR_NOT_USE_D
> +       write32 PMB_ADDR_ENTRY3,        PMB_ADDR_NOT_USE_D
> +       write32 PMB_ADDR_ENTRY4,        PMB_ADDR_NOT_USE_D
> +       write32 PMB_ADDR_ENTRY6,        PMB_ADDR_NOT_USE_D
> +       write32 PMB_ADDR_ENTRY7,        PMB_ADDR_NOT_USE_D
> +       write32 PMB_ADDR_ENTRY8,        PMB_ADDR_NOT_USE_D
> +       write32 PMB_ADDR_ENTRY9,        PMB_ADDR_NOT_USE_D
> +       write32 PMB_ADDR_ENTRY10,       PMB_ADDR_NOT_USE_D
> +       write32 PMB_ADDR_ENTRY11,       PMB_ADDR_NOT_USE_D
> +       write32 PMB_ADDR_ENTRY12,       PMB_ADDR_NOT_USE_D
> +       write32 PMB_ADDR_ENTRY13,       PMB_ADDR_NOT_USE_D
> +       write32 PMB_ADDR_ENTRY14,       PMB_ADDR_NOT_USE_D
> +       write32 PMB_ADDR_ENTRY15,       PMB_ADDR_NOT_USE_D
> +
> +       write32 PASCR_A,        PASCR_INIT
> +       mov.l   DUMMY_ADDR, r0
> +       icbi    @r0
> +#endif /* if defined(CONFIG_SH_32BIT) */
> +
> +exit_pmb:
> +       /* CPU is running on ILRAM? */
> +       mov     r14, r0
> +       tst     #1, r0
> +       bt      1f
> +
> +       mov.l   _stack_ilram, r15
> +       mov.l   _spiboot_main, r0
> +100:   bsrf    r0
> +       nop
> +
> +       .align  2
> +_spiboot_main: .long   (spiboot_main - (100b + 4))
> +_stack_ilram:  .long   0xe5204000
> +
> +1:
> +       write32 CCR_A,  CCR_D
> +
> +       rts
> +        nop
> +
> +       .align 2
> +
> +#if defined(CONFIG_SH_32BIT)
> +/*------- set PMB -------*/
> +PMB_ADDR_SPIBOOT_A:    .long   PMB_ADDR_BASE(0)
> +PMB_ADDR_DDR_N1_A:     .long   PMB_ADDR_BASE(1)
> +PMB_ADDR_DDR_C1_A:     .long   PMB_ADDR_BASE(5)
> +PMB_ADDR_ENTRY2:       .long   PMB_ADDR_BASE(2)
> +PMB_ADDR_ENTRY3:       .long   PMB_ADDR_BASE(3)
> +PMB_ADDR_ENTRY4:       .long   PMB_ADDR_BASE(4)
> +PMB_ADDR_ENTRY6:       .long   PMB_ADDR_BASE(6)
> +PMB_ADDR_ENTRY7:       .long   PMB_ADDR_BASE(7)
> +PMB_ADDR_ENTRY8:       .long   PMB_ADDR_BASE(8)
> +PMB_ADDR_ENTRY9:       .long   PMB_ADDR_BASE(9)
> +PMB_ADDR_ENTRY10:      .long   PMB_ADDR_BASE(10)
> +PMB_ADDR_ENTRY11:      .long   PMB_ADDR_BASE(11)
> +PMB_ADDR_ENTRY12:      .long   PMB_ADDR_BASE(12)
> +PMB_ADDR_ENTRY13:      .long   PMB_ADDR_BASE(13)
> +PMB_ADDR_ENTRY14:      .long   PMB_ADDR_BASE(14)
> +PMB_ADDR_ENTRY15:      .long   PMB_ADDR_BASE(15)
> +
> +PMB_ADDR_SPIBOOT_D:    .long   mk_pmb_addr_val(0xa0)
> +PMB_ADDR_DDR_C1_D:     .long   mk_pmb_addr_val(0x88)
> +PMB_ADDR_DDR_N1_D:     .long   mk_pmb_addr_val(0xa8)
> +PMB_ADDR_NOT_USE_D:    .long   0x00000000
> +
> +PMB_DATA_SPIBOOT_A:    .long   PMB_DATA_BASE(0)
> +PMB_DATA_DDR_N1_A:     .long   PMB_DATA_BASE(1)
> +PMB_DATA_DDR_C1_A:     .long   PMB_DATA_BASE(5)
> +
> +/*                                             ppn   ub v s1 s0  c  wt */
> +PMB_DATA_SPIBOOT_D:    .long   mk_pmb_data_val(0x00, 0, 1, 1, 0, 0, 1)
> +PMB_DATA_DDR_C1_D:     .long   mk_pmb_data_val(0x48, 0, 1, 1, 0, 1, 1)
> +PMB_DATA_DDR_N1_D:     .long   mk_pmb_data_val(0x48, 1, 1, 1, 0, 0, 1)
> +
> +PASCR_A:               .long   0xff000070
> +DUMMY_ADDR:            .long   0xa0000000
> +PASCR_29BIT_D:         .long   0x00000000
> +PASCR_INIT:            .long   0x80000080
> +MMUCR_A:               .long   0xff000010
> +MMUCR_D:               .long   0x00000004      /* clear ITLB */
> +#endif /* CONFIG_SH_32BIT */
> +
> +CCR_A:         .long   CCR
> +CCR_D:         .long   CCR_CACHE_INIT
> diff --git a/board/renesas/sh7752evb/sh7752evb.c b/board/renesas/sh7752evb/sh7752evb.c
> new file mode 100644
> index 0000000..e996593
> --- /dev/null
> +++ b/board/renesas/sh7752evb/sh7752evb.c
> @@ -0,0 +1,330 @@
> +/*
> + * Copyright (C) 2012  Renesas Solutions Corp.
> + *
> + * 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 <malloc.h>
> +#include <asm/processor.h>
> +#include <asm/io.h>
> +#include <asm/mmc.h>
> +#include <spi_flash.h>
> +
> +int checkboard(void)
> +{
> +       puts("BOARD: SH7752 evaluation board (R0P7752C00000RZ)\n");
> +
> +       return 0;
> +}
> +
> +static void init_gpio(void)
> +{
> +       struct gpio_regs *gpio = GPIO_BASE;
> +       struct sermux_regs *sermux = SERMUX_BASE;
> +
> +       /* GPIO */
> +       writew(0x0000, &gpio->pacr);    /* GETHER */
> +       writew(0x0001, &gpio->pbcr);    /* INTC */
> +       writew(0x0000, &gpio->pccr);    /* PWMU, INTC */
> +       writew(0xeaff, &gpio->pecr);    /* GPIO */
> +       writew(0x0000, &gpio->pfcr);    /* WDT */
> +       writew(0x0000, &gpio->phcr);    /* SPI1 */
> +       writew(0x0000, &gpio->picr);    /* SDHI */
> +       writew(0x0003, &gpio->pkcr);    /* SerMux */
> +       writew(0x0000, &gpio->plcr);    /* SerMux */
> +       writew(0x0000, &gpio->pmcr);    /* RIIC */
> +       writew(0x0000, &gpio->pncr);    /* USB, SGPIO */
> +       writew(0x0000, &gpio->pocr);    /* SGPIO */
> +       writew(0xd555, &gpio->pqcr);    /* GPIO */
> +       writew(0x0000, &gpio->prcr);    /* RIIC */
> +       writew(0x0000, &gpio->pscr);    /* RIIC */
> +       writeb(0x00, &gpio->pudr);
> +       writew(0x5555, &gpio->pucr);    /* Debug LED */
> +       writew(0x0000, &gpio->pvcr);    /* RSPI */
> +       writew(0x0000, &gpio->pwcr);    /* EVC */
> +       writew(0x0000, &gpio->pxcr);    /* LBSC */
> +       writew(0x0000, &gpio->pycr);    /* LBSC */
> +       writew(0x0000, &gpio->pzcr);    /* eMMC */
> +       writew(0xfe00, &gpio->psel0);
> +       writew(0xff00, &gpio->psel3);
> +       writew(0x771f, &gpio->psel4);
> +       writew(0x00ff, &gpio->psel6);
> +       writew(0xfc00, &gpio->psel7);
> +
> +       writeb(0x10, &sermux->smr0);    /* SMR0: SerMux mode 0 */
> +}
> +
> +static void init_usb_phy(void)
> +{
> +       struct usb_common_regs *common0 = USB0_COMMON_BASE;
> +       struct usb_common_regs *common1 = USB1_COMMON_BASE;
> +       struct usb0_phy_regs *phy = USB0_PHY_BASE;
> +       struct usb1_port_regs *port = USB1_PORT_BASE;
> +       struct usb1_alignment_regs *align = USB1_ALIGNMENT_BASE;
> +
> +       writew(0x0100, &phy->reset);            /* set reset */
> +       /* port0 = USB0, port1 = USB1 */
> +       writew(0x0002, &phy->portsel);
> +       writel(0x0001, &port->port1sel);        /* port1 = Host */
> +       writew(0x0111, &phy->reset);            /* clear reset */
> +
> +       writew(0x4000, &common0->suspmode);
> +       writew(0x4000, &common1->suspmode);
> +
> +#if defined(__LITTLE_ENDIAN)
> +       writel(0x00000000, &align->ehcidatac);
> +       writel(0x00000000, &align->ohcidatac);
> +#endif
> +}
> +
> +static void init_gether_mdio(void)
> +{
> +       struct gpio_regs *gpio = GPIO_BASE;
> +
> +       writew(readw(&gpio->pgcr) | 0x0004, &gpio->pgcr);
> +       writeb(readb(&gpio->pgdr) | 0x02, &gpio->pgdr); /* Use ET0-MDIO */
> +}
> +
> +static void set_mac_to_sh_giga_eth_register(int channel, char *mac_string)
> +{
> +       struct ether_mac_regs *ether;
> +       unsigned char mac[6];
> +       unsigned long val;
> +
> +       eth_parse_enetaddr(mac_string, mac);
> +
> +       if (!channel)
> +               ether = GETHER0_MAC_BASE;
> +       else
> +               ether = GETHER1_MAC_BASE;
> +
> +       val = (mac[0] << 24) | (mac[1] << 16) | (mac[2] << 8) | mac[3];
> +       writel(val, &ether->mahr);
> +       val = (mac[4] << 8) | mac[5];
> +       writel(val, &ether->malr);
> +}
> +
> +/*****************************************************************
> + * This PMB must be set on this timing. The lowlevel_init is run on
> + * Area 0(phys 0x00000000), so we have to map it.
> + *
> + * The new PMB table is following:
> + * ent virt            phys            v       sz      c       wt
> + * 0   0xa0000000      0x40000000      1       128M    0       1
> + * 1   0xa8000000      0x48000000      1       128M    0       1
> + * 2   0xb0000000      0x50000000      1       128M    0       1
> + * 3   0xb8000000      0x58000000      1       128M    0       1
> + * 4   0x80000000      0x40000000      1       128M    1       1
> + * 5   0x88000000      0x48000000      1       128M    1       1
> + * 6   0x90000000      0x50000000      1       128M    1       1
> + * 7   0x98000000      0x58000000      1       128M    1       1
> + */
> +static void set_pmb_on_board_init(void)
> +{
> +       struct mmu_regs *mmu = MMU_BASE;
> +
> +       /* clear ITLB */
> +       writel(0x00000004, &mmu->mmucr);
> +
> +       /* delete PMB for SPIBOOT */
> +       writel(0, PMB_ADDR_BASE(0));
> +       writel(0, PMB_DATA_BASE(0));
> +
> +       /* add PMB for SDRAM(0x40000000 - 0x47ffffff) */
> +       /*                      ppn  ub v s1 s0  c  wt */
> +       writel(mk_pmb_addr_val(0xa0), PMB_ADDR_BASE(0));
> +       writel(mk_pmb_data_val(0x40, 1, 1, 1, 0, 0, 1), PMB_DATA_BASE(0));
> +       writel(mk_pmb_addr_val(0xb0), PMB_ADDR_BASE(2));
> +       writel(mk_pmb_data_val(0x50, 1, 1, 1, 0, 0, 1), PMB_DATA_BASE(2));
> +       writel(mk_pmb_addr_val(0xb8), PMB_ADDR_BASE(3));
> +       writel(mk_pmb_data_val(0x58, 1, 1, 1, 0, 0, 1), PMB_DATA_BASE(3));
> +       writel(mk_pmb_addr_val(0x80), PMB_ADDR_BASE(4));
> +       writel(mk_pmb_data_val(0x40, 0, 1, 1, 0, 1, 1), PMB_DATA_BASE(4));
> +       writel(mk_pmb_addr_val(0x90), PMB_ADDR_BASE(6));
> +       writel(mk_pmb_data_val(0x50, 0, 1, 1, 0, 1, 1), PMB_DATA_BASE(6));
> +       writel(mk_pmb_addr_val(0x98), PMB_ADDR_BASE(7));
> +       writel(mk_pmb_data_val(0x58, 0, 1, 1, 0, 1, 1), PMB_DATA_BASE(7));
> +}
> +
> +int board_init(void)
> +{
> +       init_gpio();
> +       set_pmb_on_board_init();
> +
> +       init_usb_phy();
> +       init_gether_mdio();
> +
> +       return 0;
> +}
> +
> +int dram_init(void)
> +{
> +       DECLARE_GLOBAL_DATA_PTR;
> +
> +       gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
> +       gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
> +       printf("DRAM:  %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
> +
> +       return 0;
> +}
> +
> +int board_mmc_init(bd_t *bis)
> +{
> +       struct gpio_regs *gpio = GPIO_BASE;
> +
> +       writew(readw(&gpio->pgcr) | 0x0040, &gpio->pgcr);
> +       writeb(readb(&gpio->pgdr) & ~0x08, &gpio->pgdr); /* Reset */
> +       udelay(1);
> +       writeb(readb(&gpio->pgdr) | 0x08, &gpio->pgdr); /* Release reset */
> +       udelay(200);
> +
> +       return mmcif_mmc_init();
> +}
> +
> +static int get_sh_eth_mac_raw(unsigned char *buf, int size)
> +{
> +       struct spi_flash *spi;
> +       int ret;
> +
> +       spi = spi_flash_probe(0, 0, 1000000, SPI_MODE_3);
> +       if (spi == NULL) {
> +               printf("%s: spi_flash probe failed.\n", __func__);
> +               return 1;
> +       }
> +
> +       ret = spi_flash_read(spi, SH7752EVB_ETHERNET_MAC_BASE, size, buf);
> +       if (ret) {
> +               printf("%s: spi_flash read failed.\n", __func__);
> +               spi_flash_free(spi);
> +               return 1;
> +       }
> +       spi_flash_free(spi);
> +
> +       return 0;
> +}
> +
> +static int get_sh_eth_mac(int channel, char *mac_string, unsigned char *buf)
> +{
> +       memcpy(mac_string, &buf[channel * (SH7752EVB_ETHERNET_MAC_SIZE + 1)],
> +               SH7752EVB_ETHERNET_MAC_SIZE);
> +       mac_string[SH7752EVB_ETHERNET_MAC_SIZE] = 0x00; /* terminate */
> +
> +       return 0;
> +}
> +
> +static void init_ethernet_mac(void)
> +{
> +       char mac_string[64];
> +       char env_string[64];
> +       int i;
> +       unsigned char *buf;
> +
> +       buf = malloc(256);
> +       if (!buf) {
> +               printf("%s: malloc failed.\n", __func__);
> +               return;
> +       }
> +       get_sh_eth_mac_raw(buf, 256);
> +
> +       /* Gigabit Ethernet */
> +       for (i = 0; i < SH7752EVB_ETHERNET_NUM_CH; i++) {
> +               get_sh_eth_mac(i, mac_string, buf);
> +               if (i == 0)
> +                       setenv("ethaddr", mac_string);
> +               else {
> +                       sprintf(env_string, "eth%daddr", i);
> +                       setenv(env_string, mac_string);
> +               }
> +               set_mac_to_sh_giga_eth_register(i, mac_string);
> +       }
> +
> +       free(buf);
> +}
> +
> +int board_late_init(void)
> +{
> +       init_ethernet_mac();
> +
> +       return 0;
> +}
> +
> +int do_write_mac(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
> +{
> +       int i, ret;
> +       char mac_string[256];
> +       struct spi_flash *spi;
> +       unsigned char *buf;
> +
> +       if (argc != 3) {
> +               buf = malloc(256);
> +               if (!buf) {
> +                       printf("%s: malloc failed.\n", __func__);
> +                       return 1;
> +               }
> +
> +               get_sh_eth_mac_raw(buf, 256);
> +
> +               /* print current MAC address */
> +               for (i = 0; i < SH7752EVB_ETHERNET_NUM_CH; i++) {
> +                       get_sh_eth_mac(i, mac_string, buf);
> +                       printf("GETHERC ch%d = %s\n", i, mac_string);
> +               }
> +               free(buf);
> +               return 0;
> +       }
> +
> +       /* new setting */
> +       memset(mac_string, 0xff, sizeof(mac_string));
> +       sprintf(mac_string, "%s\t%s",
> +               argv[1], argv[2]);
> +
> +       /* write MAC data to SPI rom */
> +       spi = spi_flash_probe(0, 0, 1000000, SPI_MODE_3);
> +       if (!spi) {
> +               printf("%s: spi_flash probe failed.\n", __func__);
> +               return 1;
> +       }
> +
> +       ret = spi_flash_erase(spi, SH7752EVB_ETHERNET_MAC_BASE_SPI,
> +                               SH7752EVB_SPI_SECTOR_SIZE);
> +       if (ret) {
> +               printf("%s: spi_flash erase failed.\n", __func__);
> +               return 1;
> +       }
> +
> +       ret = spi_flash_write(spi, SH7752EVB_ETHERNET_MAC_BASE_SPI,
> +                               sizeof(mac_string), mac_string);
> +       if (ret) {
> +               printf("%s: spi_flash write failed.\n", __func__);
> +               spi_flash_free(spi);
> +               return 1;
> +       }
> +       spi_flash_free(spi);
> +
> +       puts("The writing of the MAC address to SPI ROM was completed.\n");
> +
> +       return 0;
> +}
> +
> +U_BOOT_CMD(
> +       write_mac,      3,      1,      do_write_mac,
> +       "write MAC address for GETHERC",
> +       "[GETHERC ch0] [GETHERC ch1]\n"
> +);
> diff --git a/board/renesas/sh7752evb/spi-boot.c b/board/renesas/sh7752evb/spi-boot.c
> new file mode 100644
> index 0000000..91565d4
> --- /dev/null
> +++ b/board/renesas/sh7752evb/spi-boot.c
> @@ -0,0 +1,116 @@
> +/*
> + * Copyright (C) 2012  Renesas Solutions Corp.
> + *
> + * This file is subject to the terms and conditions of the GNU Lesser
> + * General Public License.  See the file "COPYING.LIB" in the main
> + * directory of this archive for more details.
> + */
> +
> +#include <common.h>
> +
> +#define CONFIG_RAM_BOOT_PHYS   CONFIG_SYS_TEXT_BASE
> +#define CONFIG_SPI_ADDR                0x00000000
> +#define CONFIG_SPI_LENGTH      CONFIG_SYS_MONITOR_LEN
> +#define CONFIG_RAM_BOOT                CONFIG_SYS_TEXT_BASE
> +
> +#define SPIWDMADR      0xFE001018
> +#define SPIWDMCNTR     0xFE001020
> +#define SPIDMCOR       0xFE001028
> +#define SPIDMINTSR     0xFE001188
> +#define SPIDMINTMR     0xFE001190
> +
> +#define SPIDMINTSR_DMEND       0x00000004
> +
> +#define TBR    0xFE002000
> +#define RBR    0xFE002000
> +
> +#define CR1    0xFE002008
> +#define CR2    0xFE002010
> +#define CR3    0xFE002018
> +#define CR4    0xFE002020
> +
> +/* CR1 */
> +#define SPI_TBE                0x80
> +#define SPI_TBF                0x40
> +#define SPI_RBE                0x20
> +#define SPI_RBF                0x10
> +#define SPI_PFONRD     0x08
> +#define SPI_SSDB       0x04
> +#define SPI_SSD                0x02
> +#define SPI_SSA                0x01
> +
> +/* CR2 */
> +#define SPI_RSTF       0x80
> +#define SPI_LOOPBK     0x40
> +#define SPI_CPOL       0x20
> +#define SPI_CPHA       0x10
> +#define SPI_L1M0       0x08
> +
> +/* CR4 */
> +#define SPI_TBEI       0x80
> +#define SPI_TBFI       0x40
> +#define SPI_RBEI       0x20
> +#define SPI_RBFI       0x10
> +#define SPI_SpiS0      0x02
> +#define SPI_SSS                0x01
> +
> +#define spi_write(val, addr)   (*(volatile unsigned long *)(addr)) = val
> +#define spi_read(addr)         (*(volatile unsigned long *)(addr))
> +
> +/* M25P80 */
> +#define M25_READ       0x03
> +
> +#define __uses_spiboot2        __attribute__((section(".spiboot2.text")))
> +static void __uses_spiboot2 spi_reset(void)
> +{
> +       int timeout = 0x00100000;
> +
> +       /* Make sure the last transaction is finalized */
> +       spi_write(0x00, CR3);
> +       spi_write(0x02, CR1);
> +       while (!(spi_read(CR4) & SPI_SpiS0)) {
> +               if (timeout-- < 0)
> +                       break;
> +       }
> +       spi_write(0x00, CR1);
> +
> +       spi_write(spi_read(CR2) | SPI_RSTF, CR2);       /* fifo reset */
> +       spi_write(spi_read(CR2) & ~SPI_RSTF, CR2);
> +
> +       spi_write(0, SPIDMCOR);
> +}
> +
> +static void __uses_spiboot2 spi_read_flash(void *buf, unsigned long addr,
> +                                          unsigned long len)
> +{
> +       spi_write(M25_READ, TBR);
> +       spi_write((addr >> 16) & 0xFF, TBR);
> +       spi_write((addr >> 8) & 0xFF, TBR);
> +       spi_write(addr & 0xFF, TBR);
> +
> +       spi_write(SPIDMINTSR_DMEND, SPIDMINTSR);
> +       spi_write((unsigned long)buf, SPIWDMADR);
> +       spi_write(len & 0xFFFFFFE0, SPIWDMCNTR);
> +       spi_write(1, SPIDMCOR);
> +
> +       spi_write(0xff, CR3);
> +       spi_write(spi_read(CR1) | SPI_SSDB, CR1);
> +       spi_write(spi_read(CR1) | SPI_SSA, CR1);
> +
> +       while (!(spi_read(SPIDMINTSR) & SPIDMINTSR_DMEND))
> +               ;
> +
> +       /* Nagate SP0-SS0 */
> +       spi_write(0, CR1);
> +}
> +
> +void __uses_spiboot2 spiboot_main(void)
> +{
> +       void (*_start)(void) = (void *)CONFIG_SYS_TEXT_BASE;
> +
> +       spi_reset();
> +       spi_read_flash((void *)CONFIG_RAM_BOOT_PHYS, CONFIG_SPI_ADDR,
> +                       CONFIG_SPI_LENGTH);
> +
> +       _start();
> +}
> diff --git a/board/renesas/sh7752evb/u-boot.lds b/board/renesas/sh7752evb/u-boot.lds
> new file mode 100644
> index 0000000..28449b6
> --- /dev/null
> +++ b/board/renesas/sh7752evb/u-boot.lds
> @@ -0,0 +1,97 @@
> +/*
> + * Copyright (C) 2007
> + * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
> + *
> + * Copyright (C) 2012
> + * Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.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
> + */
> +
> +OUTPUT_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux")
> +OUTPUT_ARCH(sh)
> +ENTRY(_start)
> +
> +SECTIONS
> +{
> +       /*
> +        * entry and reloct_dst will be provided via ldflags
> +        */
> +       . = .;
> +
> +       PROVIDE (_ftext = .);
> +       PROVIDE (_fcode = .);
> +       PROVIDE (_start = .);
> +
> +       .text :
> +       {
> +               KEEP(arch/sh/cpu/sh4/start.o            (.text))
> +               *(.spiboot1.text)
> +               *(.spiboot2.text)
> +               . = ALIGN(8192);
> +               common/env_embedded.o   (.ppcenv)
> +               . = ALIGN(8192);
> +               common/env_embedded.o   (.ppcenvr)
> +               . = ALIGN(8192);
> +               *(.text)
> +               . = ALIGN(4);
> +       } =0xFF
> +       PROVIDE (_ecode = .);
> +       .rodata :
> +       {
> +               *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
> +               . = ALIGN(4);
> +       }
> +       PROVIDE (_etext = .);
> +
> +
> +       PROVIDE (_fdata = .);
> +       .data :
> +       {
> +               *(.data)
> +               . = ALIGN(4);
> +       }
> +       PROVIDE (_edata = .);
> +
> +       PROVIDE (_fgot = .);
> +       .got :
> +       {
> +               *(.got)
> +               . = ALIGN(4);
> +       }
> +       PROVIDE (_egot = .);
> +
> +       .u_boot_list : {
> +               #include <u-boot.lst>
> +       }
> +
> +       PROVIDE (reloc_dst_end = .);
> +       /* _reloc_dst_end = .; */
> +
> +       PROVIDE (bss_start = .);
> +       PROVIDE (__bss_start = .);
> +       .bss (NOLOAD) :
> +       {
> +               *(.bss)
> +               . = ALIGN(4);
> +       }
> +       PROVIDE (bss_end = .);
> +
> +       PROVIDE (__bss_end__ = .);
> +}
> diff --git a/boards.cfg b/boards.cfg
> index 0ecd1b8..151cb2f 100644
> --- a/boards.cfg
> +++ b/boards.cfg
> @@ -1078,6 +1078,7 @@ ecovec                       sh          sh4         ecovec              renesas
>  MigoR                        sh          sh4         MigoR               renesas        -
>  r2dplus                      sh          sh4         r2dplus             renesas        -
>  r7780mp                      sh          sh4         r7780mp             renesas        -
> +sh7752evb                    sh          sh4         sh7752evb           renesas        -
>  sh7757lcr                    sh          sh4         sh7757lcr           renesas        -
>  sh7763rdp                    sh          sh4         sh7763rdp           renesas        -
>  sh7785lcr                    sh          sh4         sh7785lcr           renesas        -
> diff --git a/doc/README.sh7752evb b/doc/README.sh7752evb
> new file mode 100644
> index 0000000..c1fb54c
> --- /dev/null
> +++ b/doc/README.sh7752evb
> @@ -0,0 +1,67 @@
> +========================================
> +Renesas R0P7752C00000RZ board
> +========================================
> +
> +This board specification:
> +=========================
> +
> +The R0P7752C00000RZ(board config name:sh7752evb) has the following device:
> +
> + - SH7752 (SH-4A)
> + - DDR3-SDRAM 512MB
> + - SPI ROM 8MB
> + - Gigabit Ethernet controllers
> + - eMMC 4GB
> +
> +
> +Configuration for This board:
> +=============================
> +
> +You can select the configuration as follows:
> +
> + - make sh7752evb_config
> +
> +
> +This board specific command:
> +============================
> +
> +This board has the following its specific command:
> +
> + - write_mac
> +
> +
> +1. write_mac
> +
> +You can write MAC address to SPI ROM.
> +
> + Usage 1) Write MAC address
> +
> +   write_mac [GETHERC ch0] [GETHERC ch1]
> +
> +       For example)
> +        => write_mac 74:90:50:00:33:9e 74:90:50:00:33:9f
> +               *) We have to input the command as a single line
> +                  (without carriage return)
> +               *) We have to reset after input the command.
> +
> + Usage 2) Show current data
> +
> +   write_mac
> +
> +       For example)
> +               => write_mac
> +               GETHERC ch0 = 74:90:50:00:33:9e
> +               GETHERC ch1 = 74:90:50:00:33:9f
> +
> +
> +Update SPI ROM:
> +============================
> +
> +1. Copy u-boot image to RAM area.
> +2. Probe SPI device.
> +   => sf probe 0
> +   SF: Detected MX25L6405D with page size 64KiB, total 8 MiB
> +3. Erase SPI ROM.
> +   => sf erase 0 80000
> +4. Write u-boot image to SPI ROM.
> +   => sf write 0x48000000 0 80000
> diff --git a/include/configs/sh7752evb.h b/include/configs/sh7752evb.h
> new file mode 100644
> index 0000000..bf6bd4d
> --- /dev/null
> +++ b/include/configs/sh7752evb.h
> @@ -0,0 +1,153 @@
> +/*
> + * Configuation settings for the sh7752evb board
> + *
> + * Copyright (C) 2012 Renesas Solutions Corp.
> + *
> + * 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
> + */
> +
> +#ifndef __SH7752EVB_H
> +#define __SH7752EVB_H
> +
> +#undef DEBUG
> +#define CONFIG_SH              1
> +#define CONFIG_SH4A            1
> +#define CONFIG_SH_32BIT                1
> +#define CONFIG_CPU_SH7752      1
> +#define CONFIG_SH7752EVB       1
> +
> +#define CONFIG_SYS_TEXT_BASE   0x5ff80000
> +#define CONFIG_SYS_LDSCRIPT    "board/renesas/sh7752evb/u-boot.lds"
> +
> +#define CONFIG_CMD_MEMORY
> +#define CONFIG_CMD_NET
> +#define CONFIG_CMD_MII
> +#define CONFIG_CMD_PING
> +#define CONFIG_CMD_NFS
> +#define CONFIG_CMD_DFL
> +#define CONFIG_CMD_SDRAM
> +#define CONFIG_CMD_SF
> +#define CONFIG_CMD_RUN
> +#define CONFIG_CMD_SAVEENV
> +#define CONFIG_CMD_MD5SUM
> +#define CONFIG_MD5
> +#define CONFIG_CMD_LOADS
> +#define CONFIG_CMD_MMC
> +#define CONFIG_CMD_EXT2
> +#define CONFIG_DOS_PARTITION
> +#define CONFIG_MAC_PARTITION
> +
> +#define CONFIG_BAUDRATE                115200
> +#define CONFIG_BOOTDELAY       3
> +#define CONFIG_BOOTARGS                "console=ttySC2,115200 root=/dev/nfs ip=dhcp"
> +
> +#define CONFIG_VERSION_VARIABLE
> +#undef CONFIG_SHOW_BOOT_PROGRESS
> +#define CONFIG_CMDLINE_EDITING
> +#define CONFIG_AUTO_COMPLETE
> +
> +/* MEMORY */
> +#define SH7752EVB_SDRAM_BASE           (0x40000000)
> +#define SH7752EVB_SDRAM_SIZE           (512 * 1024 * 1024)
> +
> +#define CONFIG_SYS_LONGHELP
> +#define CONFIG_SYS_PROMPT              "=> "
> +#define CONFIG_SYS_CBSIZE              256
> +#define CONFIG_SYS_PBSIZE              256
> +#define CONFIG_SYS_MAXARGS             16
> +#define CONFIG_SYS_BARGSIZE            512
> +#define CONFIG_SYS_BAUDRATE_TABLE      { 115200 }
> +
> +/* SCIF */
> +#define CONFIG_SCIF_CONSOLE    1
> +#define CONFIG_CONS_SCIF2      1
> +#undef CONFIG_SYS_CONSOLE_INFO_QUIET
> +#undef CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
> +#undef CONFIG_SYS_CONSOLE_ENV_OVERWRITE
> +
> +#define CONFIG_SYS_MEMTEST_START       (SH7752EVB_SDRAM_BASE)
> +#define CONFIG_SYS_MEMTEST_END         (CONFIG_SYS_MEMTEST_START + \
> +                                        480 * 1024 * 1024)
> +#undef CONFIG_SYS_ALT_MEMTEST
> +#undef CONFIG_SYS_MEMTEST_SCRATCH
> +#undef CONFIG_SYS_LOADS_BAUD_CHANGE
> +
> +#define CONFIG_SYS_SDRAM_BASE          (SH7752EVB_SDRAM_BASE)
> +#define CONFIG_SYS_SDRAM_SIZE          (SH7752EVB_SDRAM_SIZE)
> +#define CONFIG_SYS_LOAD_ADDR           (CONFIG_SYS_SDRAM_BASE + \
> +                                        128 * 1024 * 1024)
> +
> +#define CONFIG_SYS_MONITOR_BASE                0x00000000
> +#define CONFIG_SYS_MONITOR_LEN         (512 * 1024)
> +#define CONFIG_SYS_MALLOC_LEN          (4 * 1024 * 1024)
> +#define CONFIG_SYS_BOOTMAPSZ           (8 * 1024 * 1024)
> +
> +/* FLASH */
> +#define CONFIG_SYS_NO_FLASH
> +
> +/* Ether */
> +#define CONFIG_SH_ETHER                        1
> +#define CONFIG_SH_ETHER_USE_PORT       0
> +#define CONFIG_SH_ETHER_PHY_ADDR       18
> +#define CONFIG_SH_ETHER_CACHE_WRITEBACK        1
> +#define CONFIG_SH_ETHER_USE_GETHER     1
> +#define CONFIG_PHYLIB
> +#define CONFIG_BITBANGMII
> +#define CONFIG_BITBANGMII_MULTI
> +#define CONFIG_SH_ETHER_PHY_MODE PHY_INTERFACE_MODE_RGMII
> +#define CONFIG_PHY_VITESSE
> +
> +#define SH7752EVB_ETHERNET_MAC_BASE_SPI        0x00090000
> +#define SH7752EVB_SPI_SECTOR_SIZE      (64 * 1024)
> +#define SH7752EVB_ETHERNET_MAC_BASE    SH7752EVB_ETHERNET_MAC_BASE_SPI
> +#define SH7752EVB_ETHERNET_MAC_SIZE    17
> +#define SH7752EVB_ETHERNET_NUM_CH      2
> +#define CONFIG_BOARD_LATE_INIT
> +
> +/* SPI */
> +#define CONFIG_SH_SPI                  1
> +#define CONFIG_SH_SPI_BASE             0xfe002000
> +#define CONFIG_SPI_FLASH
> +#define CONFIG_SPI_FLASH_STMICRO       1
> +#define CONFIG_SPI_FLASH_MACRONIX      1
> +
> +/* MMCIF */
> +#define CONFIG_MMC                     1
> +#define CONFIG_GENERIC_MMC             1
> +#define CONFIG_SH_MMCIF                        1
> +#define CONFIG_SH_MMCIF_ADDR           0xffcb0000
> +#define CONFIG_SH_MMCIF_CLK            48000000
> +
> +/* ENV setting */
> +#define CONFIG_ENV_IS_EMBEDDED
> +#define CONFIG_ENV_IS_IN_SPI_FLASH
> +#define CONFIG_ENV_SECT_SIZE   (64 * 1024)
> +#define CONFIG_ENV_ADDR                (0x00080000)
> +#define CONFIG_ENV_OFFSET      (CONFIG_ENV_ADDR)
> +#define CONFIG_ENV_OVERWRITE   1
> +#define CONFIG_ENV_SIZE                (CONFIG_ENV_SECT_SIZE)
> +#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SECT_SIZE)
> +#define CONFIG_EXTRA_ENV_SETTINGS                              \
> +               "netboot=bootp; bootm\0"
> +
> +/* Board Clock */
> +#define CONFIG_SYS_CLK_FREQ    48000000
> +#define CONFIG_SYS_TMU_CLK_DIV 4
> +#define CONFIG_SYS_HZ          1000
> +#endif /* __SH7752EVB_H */
> --
> 1.7.1