sh: add support for sh7753evb board
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>
diff --git a/board/renesas/sh7753evb/Makefile b/board/renesas/sh7753evb/Makefile
new file mode 100644
index 0000000..f7c8e94
--- /dev/null
+++ b/board/renesas/sh7753evb/Makefile
@@ -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
diff --git a/board/renesas/sh7753evb/lowlevel_init.S b/board/renesas/sh7753evb/lowlevel_init.S
new file mode 100644
index 0000000..21987a5
--- /dev/null
+++ b/board/renesas/sh7753evb/lowlevel_init.S
@@ -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
diff --git a/board/renesas/sh7753evb/sh7753evb.c b/board/renesas/sh7753evb/sh7753evb.c
new file mode 100644
index 0000000..42b920f
--- /dev/null
+++ b/board/renesas/sh7753evb/sh7753evb.c
@@ -0,0 +1,326 @@
+/*
+ * 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, ðer->mahr);
+ val = (mac[4] << 8) | mac[5];
+ writel(val, ðer->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"
+);
diff --git a/board/renesas/sh7753evb/spi-boot.c b/board/renesas/sh7753evb/spi-boot.c
new file mode 100644
index 0000000..21903d9
--- /dev/null
+++ b/board/renesas/sh7753evb/spi-boot.c
@@ -0,0 +1,134 @@
+/*
+ * 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();
+}
diff --git a/board/renesas/sh7753evb/u-boot.lds b/board/renesas/sh7753evb/u-boot.lds
new file mode 100644
index 0000000..053df64
--- /dev/null
+++ b/board/renesas/sh7753evb/u-boot.lds
@@ -0,0 +1,81 @@
+/*
+ * 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 = .);
+}