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sh: add support for sh7753evb board

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The SH7753 EVB board has SH7753, 512MB DDR3-SDRAM, SPI ROM,
Gigabit Ethernet, and eMMC.

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

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
This commit is contained in:
Yoshihiro Shimoda 2013-12-18 16:03:44 +09:00 committed by Nobuhiro Iwamatsu
parent fd44194945
commit 320cf35080
10 changed files with 1368 additions and 0 deletions
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2
arch/sh/include/asm/cpu_sh4.h
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@ -37,6 +37,8 @@
# include <asm/cpu_sh7734.h>
#elif defined (CONFIG_CPU_SH7752)
# include <asm/cpu_sh7752.h>
#elif defined (CONFIG_CPU_SH7753)
# include <asm/cpu_sh7753.h>
#elif defined (CONFIG_CPU_SH7757)
# include <asm/cpu_sh7757.h>
#elif defined (CONFIG_CPU_SH7763)

197
arch/sh/include/asm/cpu_sh7753.h Normal file
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@ -0,0 +1,197 @@
/*
* Copyright (C) 2012 Renesas Solutions Corp.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _ASM_CPU_SH7753_H_
#define _ASM_CPU_SH7753_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_SH7753_H_ */

7
board/renesas/sh7753evb/Makefile Normal file
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@ -0,0 +1,7 @@
#
# Copyright (C) 2012 Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
#
# SPDX-License-Identifier: GPL-2.0+
obj-y := sh7753evb.o spi-boot.o
obj-y += lowlevel_init.o

416
board/renesas/sh7753evb/lowlevel_init.S Normal file
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@ -0,0 +1,416 @@
/*
* Copyright (C) 2013 Renesas Solutions Corp.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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:
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 DBSC3 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:
/*------- DBSC3 -------*/
/* oscillation stabilization time */
wait_timer WAIT_OSC_TIME
/* step 3 */
write32 DBKIND_A, DBKIND_D
/* step 4 */
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
write32 DBADJ0_A, DBADJ0_D
write32 DBADJ2_A, DBADJ2_D
/* step 5 */
write32 DBCMD_A, DBCMD_RSTL_VAL
wait_timer WAIT_30US
/* step 6 */
write32 DBCMD_A, DBCMD_PDEN_VAL
/* 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
write32 DBPDNCNF_A, DBPDNCNF_D
/* 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 DBCALTR_A, DBCALTR_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
/*------- DBSC3 -------*/
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
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
DBCALTR_A: .long 0xfe8000f8
DBPDNCNF_A: .long 0xfe800180
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 0x00000004
DBTR8_D: .long 0x00000014
DBTR9_D: .long 0x00000004
DBTR10_D: .long 0x00000008
DBTR11_D: .long 0x00000007
DBTR12_D: .long 0x0000000e
DBTR13_D: .long 0x000000a0
DBTR14_D: .long 0x00060006
DBTR15_D: .long 0x00000003
DBTR16_D: .long 0x00160002
DBTR17_D: .long 0x000c0000
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 0x00010000
DBADJ2_D: .long 0x18061806
DBRFCNF0_D: .long 0x000001ff
DBRFCNF1_D: .long 0x00081040
DBRFCNF2_D: .long 0x00000000
DBCALCNF_D: .long 0x0000ffff
DBRFEN_D: .long 0x00000001
DBACEN_D: .long 0x00000001
DBCALTR_D: .long 0x08200820
DBPDNCNF_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

326
board/renesas/sh7753evb/sh7753evb.c Normal file
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/*
* Copyright (C) 2012 Renesas Solutions Corp.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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: SH7753 EVB\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(0x0000, &gpio->pdcr); /* SPI0 */
writew(0xeaff, &gpio->pecr); /* GPIO */
writew(0x0000, &gpio->pfcr); /* WDT */
writew(0x0004, &gpio->pgcr); /* SPI0, GETHER MDIO gate(PTG1) */
writew(0x0000, &gpio->phcr); /* SPI1 */
writew(0x0000, &gpio->picr); /* SDHI */
writew(0x0000, &gpio->pjcr); /* SCIF4 */
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 */
writew(0x0000, &gpio->ptcr); /* STATUS */
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(0x0000, &gpio->psel1);
writew(0x3000, &gpio->psel2);
writew(0xff00, &gpio->psel3);
writew(0x771f, &gpio->psel4);
writew(0x0ffc, &gpio->psel5);
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)
{
struct gether_control_regs *gether = GETHER_CONTROL_BASE;
init_gpio();
set_pmb_on_board_init();
/* Sets TXnDLY to B'010 */
writel(0x00000202, &gether->gbecont);
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, SH7753EVB_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 * (SH7753EVB_ETHERNET_MAC_SIZE + 1)],
SH7753EVB_ETHERNET_MAC_SIZE);
mac_string[SH7753EVB_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 < SH7753EVB_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 < SH7753EVB_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, SH7753EVB_ETHERNET_MAC_BASE_SPI,
SH7753EVB_SPI_SECTOR_SIZE);
if (ret) {
printf("%s: spi_flash erase failed.\n", __func__);
return 1;
}
ret = spi_flash_write(spi, SH7753EVB_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"
);

134
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/*
* Copyright (C) 2013 Renesas Solutions Corp.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#define CONFIG_SPI_ADDR 0x00000000
#define PHYADDR(_addr) ((_addr & 0x1fffffff) | 0x40000000)
#define CONFIG_RAM_BOOT_PHYS PHYADDR(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
#define CR7 0xFE002038
#define CR8 0xFE002040
/* 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
/* CR7 */
#define CR7_IDX_OR12 0x12
#define OR12_ADDR32 0x00000001
#define spi_write(val, addr) (*(volatile unsigned long *)(addr)) = val
#define spi_read(addr) (*(volatile unsigned long *)(addr))
/* M25P80 */
#define M25_READ 0x03
#define M25_READ_4BYTE 0x13
extern void bss_start(void);
#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(CR7_IDX_OR12, CR7);
if (spi_read(CR8) & OR12_ADDR32) {
/* 4-bytes address mode */
spi_write(M25_READ_4BYTE, TBR);
spi_write((addr >> 24) & 0xFF, TBR); /* ADDR31-24 */
} else {
/* 3-bytes address mode */
spi_write(M25_READ, TBR);
}
spi_write((addr >> 16) & 0xFF, TBR); /* ADDR23-16 */
spi_write((addr >> 8) & 0xFF, TBR); /* ADDR15-8 */
spi_write(addr & 0xFF, TBR); /* ADDR7-0 */
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)
{
/*
* This code rounds len up for SPIWDMCNTR. We should set it to 0 in
* lower 5-bits.
*/
void (*_start)(void) = (void *)CONFIG_SYS_TEXT_BASE;
volatile unsigned long len = (bss_start - _start + 31) & 0xffffffe0;
spi_reset();
spi_read_flash((void *)CONFIG_RAM_BOOT_PHYS, CONFIG_SPI_ADDR, len);
_start();
}

81
board/renesas/sh7753evb/u-boot.lds Normal file
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/*
* Copyright (C) 2007
* Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
*
* Copyright (C) 2012
* Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
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 : {
KEEP(*(SORT(.u_boot_list*)));
}
PROVIDE (reloc_dst_end = .);
/* _reloc_dst_end = .; */
PROVIDE (bss_start = .);
PROVIDE (__bss_start = .);
.bss (NOLOAD) :
{
*(.bss)
. = ALIGN(4);
}
PROVIDE (bss_end = .);
PROVIDE (__bss_end = .);
}

1
boards.cfg
View File

@ -1209,6 +1209,7 @@ Active sh sh4 - renesas r0p7734
Active sh sh4 - renesas r2dplus r2dplus - Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>:Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Active sh sh4 - renesas r7780mp r7780mp - Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>:Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Active sh sh4 - renesas sh7752evb sh7752evb - -
Active sh sh4 - renesas sh7753evb sh7753evb - -
Active sh sh4 - renesas sh7757lcr sh7757lcr - -
Active sh sh4 - renesas sh7763rdp sh7763rdp - Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>:Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Active sh sh4 - renesas sh7785lcr sh7785lcr - -

67
doc/README.sh7753evb Normal file
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========================================
Renesas SH7753 EVB board
========================================
This board specification:
=========================
The SH7753 EVB (board config name:sh7753evb) has the following device:
- SH7753 (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 sh7753evb_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

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/*
* Configuation settings for the sh7753evb board
*
* Copyright (C) 2012 Renesas Solutions Corp.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __SH7753EVB_H
#define __SH7753EVB_H
#undef DEBUG
#define CONFIG_SH 1
#define CONFIG_SH4A 1
#define CONFIG_SH_32BIT 1
#define CONFIG_CPU_SH7753 1
#define CONFIG_SH7753EVB 1
#define CONFIG_SYS_TEXT_BASE 0x5ff80000
#define CONFIG_SYS_LDSCRIPT "board/renesas/sh7753evb/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 SH7753EVB_SDRAM_BASE (0x40000000)
#define SH7753EVB_SDRAM_SIZE (512 * 1024 * 1024)
#define CONFIG_SYS_LONGHELP
#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 (SH7753EVB_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 (SH7753EVB_SDRAM_BASE)
#define CONFIG_SYS_SDRAM_SIZE (SH7753EVB_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 SH7753EVB_ETHERNET_MAC_BASE_SPI 0x00090000
#define SH7753EVB_SPI_SECTOR_SIZE (64 * 1024)
#define SH7753EVB_ETHERNET_MAC_BASE SH7753EVB_ETHERNET_MAC_BASE_SPI
#define SH7753EVB_ETHERNET_MAC_SIZE 17
#define SH7753EVB_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_SH_TMU_CLK_FREQ CONFIG_SYS_CLK_FREQ
#define CONFIG_SH_SCIF_CLK_FREQ CONFIG_SYS_CLK_FREQ
#define CONFIG_SYS_TMU_CLK_DIV 4
#endif /* __SH7753EVB_H */