From 320cf350801f30875fe5749eee74aed242573031 Mon Sep 17 00:00:00 2001 From: Yoshihiro Shimoda Date: Wed, 18 Dec 2013 16:03:44 +0900 Subject: 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 Signed-off-by: Nobuhiro Iwamatsu --- board/renesas/sh7753evb/Makefile | 7 + board/renesas/sh7753evb/lowlevel_init.S | 416 ++++++++++++++++++++++++++++++++ board/renesas/sh7753evb/sh7753evb.c | 326 +++++++++++++++++++++++++ board/renesas/sh7753evb/spi-boot.c | 134 ++++++++++ board/renesas/sh7753evb/u-boot.lds | 81 +++++++ 5 files changed, 964 insertions(+) create mode 100644 board/renesas/sh7753evb/Makefile create mode 100644 board/renesas/sh7753evb/lowlevel_init.S create mode 100644 board/renesas/sh7753evb/sh7753evb.c create mode 100644 board/renesas/sh7753evb/spi-boot.c create mode 100644 board/renesas/sh7753evb/u-boot.lds (limited to 'board/renesas/sh7753evb') diff --git a/board/renesas/sh7753evb/Makefile b/board/renesas/sh7753evb/Makefile new file mode 100644 index 0000000000..f7c8e949f9 --- /dev/null +++ b/board/renesas/sh7753evb/Makefile @@ -0,0 +1,7 @@ +# +# Copyright (C) 2012 Yoshihiro Shimoda +# +# 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 0000000000..21987a51e8 --- /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 +#include +#include +#include + +.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 0000000000..42b920fb33 --- /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 +#include +#include +#include +#include +#include + +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 0000000000..21903d9c7b --- /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 + +#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 0000000000..053df642ea --- /dev/null +++ b/board/renesas/sh7753evb/u-boot.lds @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2007 + * Nobuhiro Iwamatsu + * + * Copyright (C) 2012 + * Yoshihiro Shimoda + * + * 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 = .); +} -- cgit v1.2.3