diff options
Diffstat (limited to 'board/mpr2')
| -rw-r--r-- | board/mpr2/Makefile | 54 | ||||
| -rw-r--r-- | board/mpr2/config.mk | 37 | ||||
| -rw-r--r-- | board/mpr2/lowlevel_init.S | 148 | ||||
| -rw-r--r-- | board/mpr2/mpr2.c | 162 | ||||
| -rw-r--r-- | board/mpr2/u-boot.lds | 109 | 
5 files changed, 510 insertions, 0 deletions
| diff --git a/board/mpr2/Makefile b/board/mpr2/Makefile new file mode 100644 index 000000000..17ca17ec5 --- /dev/null +++ b/board/mpr2/Makefile @@ -0,0 +1,54 @@ +# +# Copyright (C) 2007 +# Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> +# +# Copyright (C) 2007 +# Nobuhiro Iwamatsu <iwamatsu@nigauri.org> +# +# Copyright (C) 2007 +# Kenati Technologies, Inc. +# +# (C) Copyright 2008 +# Mark Jonas <mark.jonas@de.bosch.com> +# +# board/mpr2/Makefile +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA + +include $(TOPDIR)/config.mk + +LIB	= lib$(BOARD).a + +OBJS	:= mpr2.o +SOBJS	:= lowlevel_init.o + +$(LIB):	$(OBJS) $(SOBJS) +	$(AR) crv $@ $(OBJS) $(SOBJS) + +clean: +	rm -f $(SOBJS) $(OBJS) + +distclean:	clean +	rm -f $(LIB) core *.bak .depend + +######################################################################### + +.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) +		$(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/mpr2/config.mk b/board/mpr2/config.mk new file mode 100644 index 000000000..6d41d97cb --- /dev/null +++ b/board/mpr2/config.mk @@ -0,0 +1,37 @@ +# +# Copyright (C) 2007 +# Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> +# +# Copyright (C) 2007 +# Nobuhiro Iwamatsu <iwamatsu@nigauri.org> +# +# Copyright (C) 2007 +# Kenati Technologies, Inc. +# +# Copyright (C) 2008 +# Mark Jonas <mark.jonas@de.bosch.com> +# +# board/mpr2/config.mk +# +# 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 + +# +# TEXT_BASE refers to image _after_ relocation. +# +# NOTE: Must match value used in u-boot.lds (in this directory). +# + +TEXT_BASE = 0x8FFC0000 diff --git a/board/mpr2/lowlevel_init.S b/board/mpr2/lowlevel_init.S new file mode 100644 index 000000000..060957ad0 --- /dev/null +++ b/board/mpr2/lowlevel_init.S @@ -0,0 +1,148 @@ +/* + * (C) Copyright 2008 + * Mark Jonas <mark.jonas@de.bosch.com> + * + * (C) Copyright 2007 + * Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> + * + * board/mpr2/lowlevel_init.S + * + * 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 + */ + +	.global	lowlevel_init + +	.text +	.align	2 + +lowlevel_init: + +/* + * Set frequency multipliers and dividers in FRQCR. + */ +	mov.l	WTCSR_A,r1 +	mov.l	WTCSR_D,r0 +	mov.w	r0,@r1 + +	mov.l	WTCNT_A,r1 +	mov.l	WTCNT_D,r0 +	mov.w	r0,@r1 + +	mov.l	FRQCR_A,r1 +	mov.l	FRQCR_D,r0 +	mov.w	r0,@r1 + +/* + * Setup CS0 (Flash). + */ +	mov.l	CS0BCR_A, r1 +	mov.l	CS0BCR_D, r0 +	mov.l	r0, @r1 + +	mov.l	CS0WCR_A, r1 +	mov.l	CS0WCR_D, r0 +	mov.l	r0, @r1 + +/* + * Setup CS3 (SDRAM). + */ +	mov.l	CS3BCR_A, r1 +	mov.l	CS3BCR_D, r0 +	mov.l	r0, @r1 + +	mov.l	CS3WCR_A, r1 +	mov.l	CS3WCR_D, r0 +	mov.l	r0, @r1 + +	mov.l	SDCR_A, r1 +	mov.l	SDCR_D1, r0 +	mov.l	r0, @r1 + +	mov.l	RTCSR_A, r1 +	mov.l	RTCSR_D, r0 +	mov.l	r0, @r1 + +	mov.l	RTCNT_A, r1 +	mov.l	RTCNT_D, r0 +	mov.l	r0, @r1 + +	mov.l	RTCOR_A, r1 +	mov.l	RTCOR_D, r0 +	mov.l	r0, @r1 + +	mov.l	SDCR_A, r1 +	mov.l	SDCR_D2, r0 +	mov.l	r0, @r1 + +	mov.l	SDMR3_A, r1 +	mov.l	SDMR3_D, r0 +	add	r0, r1 +	mov	#0, r0 +	mov.w	r0, @r1 + +	rts +	nop + +	.align 4 + +/* + * Configuration for MPR2 A.3 through A.7 + */ + +/* + * PLL Settings + */ +FRQCR_D:	.long	0x1103		/* I:B:P=8:4:2 */ +WTCNT_D:	.long	0x5A00		/* start counting at zero */ +WTCSR_D:	.long	0xA507		/* divide by 4096 */ + +/* + * Spansion S29GL256N11 @ 48 MHz + */ +CS0BCR_D:	.long	0x12490400  /* 1 idle cycle inserted, normal space, 16 bit */ +CS0WCR_D:	.long	0x00000340  /* tSW=0.5ck, 6 wait cycles, NO external wait, tHW=0.5ck */ + +/* + * Samsung K4S511632B-UL75 @ 48 MHz + * Micron MT48LC32M16A2-75 @ 48 MHz + */ +CS3BCR_D:	.long	0x10004400  /* CS3BCR = 0x10004400, minimum idle cycles, SDRAM, 16 bit */ +CS3WCR_D:	.long	0x00000091  /* tRP=1ck, tRCD=1ck, CL=2, tRWL=2ck, tRC=4ck */ +SDCR_D1:	.long	0x00000012  /* no refresh, 13 rows, 10 cols, NO bank active mode */ +SDCR_D2:	.long	0x00000812  /* refresh */ +RTCSR_D:	.long	0xA55A0008  /* 1/4, once */ +RTCNT_D:	.long	0xA55A005D  /* count 93 */ +RTCOR_D:	.long	0xa55a005d  /* count 93 */ +SDMR3_D:	.long	0x440       /* mode register CL2, burst read and SINGLE WRITE */ + +/* + * Registers + */ + +FRQCR_A:	.long	0xA415FF80 +WTCNT_A:	.long	0xA415FF84 +WTCSR_A:	.long	0xA415FF86 + +#define BSC_BASE	0xA4FD0000 +CS0BCR_A:	.long	BSC_BASE + 0x04 +CS3BCR_A:	.long	BSC_BASE + 0x0C +CS0WCR_A:	.long	BSC_BASE + 0x24 +CS3WCR_A:	.long	BSC_BASE + 0x2C +SDCR_A:		.long	BSC_BASE + 0x44 +RTCSR_A:	.long	BSC_BASE + 0x48 +RTCNT_A:	.long	BSC_BASE + 0x4C +RTCOR_A:	.long	BSC_BASE + 0x50 +SDMR3_A:	.long	BSC_BASE + 0x5000 diff --git a/board/mpr2/mpr2.c b/board/mpr2/mpr2.c new file mode 100644 index 000000000..2ddb0c10c --- /dev/null +++ b/board/mpr2/mpr2.c @@ -0,0 +1,162 @@ +/* + * Copyright (C) 2008 + * Mark Jonas <mark.jonas@de.bosch.com> + * + * board/mpr2/mpr2.c + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/processor.h> + +int checkboard(void) +{ +	puts("BOARD: MPR2\n"); +	return 0; +} + +int board_init(void) +{ +	/* +	 * For MPR2 A.3 through A.7 +	 */ + +	/* CS2: Ethernet (0xA8000000 - 0xABFFFFFF) */ +	__raw_writel(0x36db0400, CS2BCR);    /* 4 idle cycles, normal space, 16 bit data bus */ +	__raw_writel(0x000003c0, CS2WCR);    /* (WR:8), no ext. wait */ + +	/* CS4: CAN1 (0xB0000000 - 0xB3FFFFFF) */ +	__raw_writel(0x00000200, CS4BCR);    /* no idle cycles, normal space, 8 bit data bus */ +	__raw_writel(0x00100981, CS4WCR);    /* (SW:1.5 WR:3 HW:1.5), ext. wait */ + +	/* CS5a: CAN2 (0xB4000000 - 0xB5FFFFFF) */ +	__raw_writel(0x00000200, CS5ABCR);   /* no idle cycles, normal space, 8 bit data bus */ +	__raw_writel(0x00100981, CS5AWCR);   /* (SW:1.5 WR:3 HW:1.5), ext. wait */ + +	/* CS5b: CAN3 (0xB6000000 - 0xB7FFFFFF) */ +	__raw_writel(0x00000200, CS5BBCR);   /* no idle cycles, normal space, 8 bit data bus */ +	__raw_writel(0x00100981, CS5BWCR);   /* (SW:1.5 WR:3 HW:1.5), ext. wait */ + +	/* CS6a: Rotary (0xB8000000 - 0xB9FFFFFF) */ +	__raw_writel(0x00000200, CS6ABCR);   /* no idle cycles, normal space, 8 bit data bus */ +	__raw_writel(0x001009C1, CS6AWCR);   /* (SW:1.5 WR:3 HW:1.5), no ext. wait */ + +	/* set Pin Select Register A: /PCC_CD1, /PCC_CD2, PCC_BVD1, PCC_BVD2, /IOIS16, IRQ4, IRQ5, USB1d_SUSPEND */ +	__raw_writew(0xAABC, PSELA);  /*    10        10        10        10       10    11    11             00 */ + +	/* set Pin Select Register B: /SCIF0_RTS, /SCIF0_CTS, LCD_VCPWC, LCD_VEPWC, IIC_SDA, IIC_SCL, Reserved */ +	__raw_writew(0x3C00, PSELB);  /*       0           0         11         11        0        0  00000000 */ + +	/* set Pin Select Register C: SIOF1_SCK, SIOF1_RxD, SCIF1_RxD, SCIF1_TxD, Reserved */ +	__raw_writew(0x0000, PSELC);  /*     00         00         00         00  00000000 */ + +	/* set Pin Select Register D: Reserved, SIOF1_TxD, Reserved, SIOF1_MCLK, Reserved, SIOF1_SYNC, Reserved, SCIF1_SCK, Reserved */ +	__raw_writew(0x0000, PSELD);  /*     0         00        00          00        00          00        00         00         0 */ +	 +	/* OTH:  (00) Other fuction +	 * GPO:  (01) General Purpose Output +	 * GPI:  (11) General Purpose Input +	 * GPI+: (10) General Purpose Input with internal pull-up +	 *------------------------------------------------------- +	 * A7 GPO(LED8);     A6 GPO(LED7);     A5 GPO(LED6);        A4 GPO(LED5); +	 * A3 GPO(LED4);     A2 GPO(LED3);     A1 GPO(LED2);        A0 GPO(LED1); */ +	__raw_writew(0x5555, PACR);   /* 01 01 01 01 01 01 01 01 */ + +	/* B7 GPO(RST4);     B6 GPO(RST3);     B5 GPO(RST2);        B4 GPO(RST1); +	 * B3 GPO(PB3);      B2 GPO(PB2);      B1 GPO(PB1);         B0 GPO(PB0); */ +	__raw_writew(0x5555, PBCR);   /* 01 01 01 01 01 01 01 01 */ + +	/* C7 GPO(PC7);      C6 GPO(PC6);      C5 GPO(PC5);         C4 GPO(PC4); +	 * C3 LCD_DATA3;     C2 LCD_DATA2;     C1 LCD_DATA1;        C0 LCD_DATA0; */ +	__raw_writew(0x5500, PCCR);   /* 01 01 01 01 00 00 00 00 */ + +	/* D7 GPO(PD7);      D6 GPO(PD6);      D5 GPO(PD5);         D4 GPO(PD4); +	 * D3 GPO(PD3);      D2 GPO(PD2);      D1 GPO(PD1);         D0 GPO(PD0); */ +	__raw_writew(0x5555, PDCR);   /* 01 01 01 01 01 01 01 01 */ + +	/* E7 (x);           E6 GPI(nu);       E5 GPI(nu);          E4 LCD_M_DISP; +	 * E3 LCD_CL1;       E2 LCD_CL2;       E1 LCD_DON;          E0 LCD_FLM; */ +	__raw_writew(0x2800, PECR);   /* 00 10 10 00 00 00 00 00 */ + +	/* F7 (x);           F6 DA1(VLCD);     F5 DA0(nc);          F4 AN3; +	 * F3 AN2(MID_AD);   F2 AN1(EARTH_AD); F1 AN0(TEMP);        F0 GPI+(nc); */ +	__raw_writew(0x0002, PFCR);   /* 00 00 00 00 00 00 00 10 */ + +	/* G7 (x);          G6 IRQ5(TOUCH_BUSY); G5 IRQ4(TOUCH_IRQ);G4 GPI(KEY2); +	 * G3 GPI(KEY1);     G2 GPO(LED11);      G1 GPO(LED10);     G0 GPO(LED9); */ +	__raw_writew(0x03D5, PGCR);   /* 00 00 00 11 11 01 01 01 */ + +	/* H7 (x);            H6 /RAS(BRAS);      H5 /CAS(BCAS);    H4 CKE(BCKE); +	 * H3 GPO(EARTH_OFF); H2 GPO(EARTH_TEST); H1 USB2_PWR;      H0 USB1_PWR; */ +	__raw_writew(0x0050, PHCR);   /* 00 00 00 00 01 01 00 00 */ + +	/* J7 (x);           J6 AUDCK;         J5 ASEBRKAK;         J4 AUDATA3; +	 * J3 AUDATA2;       J2 AUDATA1;       J1 AUDATA0;          J0 AUDSYNC; */ +	__raw_writew(0x0000, PJCR);   /* 00 00 00 00 00 00 00 00 */ + +	/* K7 (x);           K6 (x);           K5 (x);              K4 (x) +	 * K3 PINT7(/PWR2);  K2 PINT6(/PWR1);  K1 PINT5(nc);        K0 PINT4(FLASH_READY); */ +	__raw_writew(0x00FB, PKCR);   /* 00 00 00 00 11 11 10 11 */ + +	/* L7 TRST;          L6 TMS;           L5 TDO;              L4 TDI; +	 * L3 TCK;           L2 (x);           L1 (x);              L0 (x); */ +	__raw_writew(0x0000, PLCR);    /* 00 00 00 00 00 00 00 00 */ + +	/* M7 GPO(CURRENT_SINK);M6 GPO(PWR_SWITCH);  M5 GPO(LAN_SPEED);   M4 GPO(LAN_RESET); +	 * M3 GPO(BUZZER);      M2 GPO(LCD_BL);      M1 CS5B(CAN3_CS);    M0 GPI+(nc); */ +	__raw_writew(0x5552, PMCR);   /* 01 01 01 01 01 01 00 10 */ +	__raw_writeb(0xF0, PMDR);     /* CURRENT_SINK=off, PWR_SWITCH=off, LAN_SPEED=100MBit, LAN_RESET=off, BUZZER=off, LCD_BL=off */ + +	/* P7 (x);           P6 (x);           P5 (x);              P4 GPO(on pullup); +	 * P3 IRQ3(LAN_IRQ); P2 IRQ2(CAN3_IRQ);P1 IRQ1(CAN2_IRQ);   P0 IRQ0(CAN1_IRQ); */ +	__raw_writew(0x0100, PPCR);   /* 00 00 00 01 00 00 00 00 */ +	__raw_writeb(0x10, PPDR);     /* no current flow through pullup */ + +	/* R7 A25;           R6 A24;           R5 A23;              R4 A22; +	 * R3 A21;           R2 A20;           R1 A19;              R0 A0; */ +	__raw_writew(0x0000, PRCR);   /* 00 00 00 00 00 00 00 00 */ + +	/* S7 (x);              S6 (x);        S5 (x);              S4 GPO(EEPROM_CS2); +	 * S3 GPO(EEPROM_CS1);  S2 SIOF0_TXD;  S1 SIOF0_RXD;        S0 SIOF0_SCK; */ +	__raw_writew(0x0140, PSCR);   /* 00 00 00 01 01 00 00 00 */ + +	/* T7 (x);           T6 (x);           T5 (x);              T4 COM1_CTS; +	 * T3 COM1_RTS;      T2 COM1_TXD;      T1 COM1_RXD;         T0 GPO(WDOG); */ +	__raw_writew(0x0001, PTCR);   /* 00 00 00 00 00 00 00 01 */ + +	/* U7 (x);           U6 (x);           U5 (x);              U4 GPI+(/AC_FAULT); +	 * U3 GPO(TOUCH_CS); U2 TOUCH_TXD;     U1 TOUCH_RXD;        U0 TOUCH_SCK; */ +	__raw_writew(0x0240, PUCR);   /* 00 00 00 10 01 00 00 00 */ + +	/* V7 (x);           V6 (x);           V5 (x);              V4 GPO(MID2); +	 * V3 GPO(MID1);     V2 CARD_TxD;      V1 CARD_RxD;         V0 GPI+(/BAT_FAULT); */ +	__raw_writew(0x0142, PVCR);   /* 00 00 00 01 01 00 00 10 */ + +	return 0; +} + +int dram_init(void) +{ +	DECLARE_GLOBAL_DATA_PTR; + +	gd->bd->bi_memstart = CFG_SDRAM_BASE; +	gd->bd->bi_memsize = CFG_SDRAM_SIZE; +	printf("SDRAM: %dMB\n", CFG_SDRAM_SIZE / (1024 * 1024)); +	return 0; +} + diff --git a/board/mpr2/u-boot.lds b/board/mpr2/u-boot.lds new file mode 100644 index 000000000..6fee7f254 --- /dev/null +++ b/board/mpr2/u-boot.lds @@ -0,0 +1,109 @@ +/* + * Copyright (C) 2007 + * Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> + * + * Copyright (C) 2007 + * Nobuhiro Iwamatsu <iwamatsu@nigauri.org> + * + * Copyright (C) 2008 + * Mark Jonas <mark.jonas@de.bosch.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 +{ +	/* +	   Base address of internal SDRAM is 0x8C000000. +	   U-Boot resides in the last 256 kB of the 64 MB. + +	   NOTE: This address must match with the definition of +	   TEXT_BASE in config.mk (in this directory). + +	*/ +	. = 0x8C000000 + (64*1024*1024) - (256*1024); + +	PROVIDE (reloc_dst = .); + +	PROVIDE (_ftext = .); +	PROVIDE (_fcode = .); +	PROVIDE (_start = .); + +	.text : +	{ +		cpu/sh3/start.o		(.text) +		. = ALIGN(8192); +		common/environment.o	(.ppcenv) +		. = ALIGN(8192); +		common/environment.o	(.ppcenvr) +		. = ALIGN(8192); +		*(.text) +		. = ALIGN(4); +	} =0xFF +	PROVIDE (_ecode = .); +	.rodata : +	{ +		*(.rodata) +		. = ALIGN(4); +	} +	PROVIDE (_etext = .); + + +	PROVIDE (_fdata = .); +	.data : +	{ +		*(.data) +		. = ALIGN(4); +	} +	PROVIDE (_edata = .); + +	PROVIDE (_fgot = .); +	.got : +	{ +		*(.got) +		. = ALIGN(4); +	} +	PROVIDE (_egot = .); + +	PROVIDE (__u_boot_cmd_start = .); +	.u_boot_cmd : +	{ +		*(.u_boot_cmd) +		. = ALIGN(4); +	} +	PROVIDE (__u_boot_cmd_end = .); + +	PROVIDE (reloc_dst_end = .); +	/* _reloc_dst_end = .; */ + +	PROVIDE (bss_start = .); +	PROVIDE (__bss_start = .); +	.bss : +	{ +		*(.bss) +		. = ALIGN(4); +	} +	PROVIDE (bss_end = .); + +	PROVIDE (_end = .); +} |