sh: Added support for SH7720 based board MPR2.

Signed-off-by: Mark Jonas <mark.jonas@de.bosch.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

5 files changed, 510 insertions, 0 deletions

diff --git a/board/mpr2/Makefile b/board/mpr2/Makefile
new file mode 100644
index 0000000..17ca17e
--- /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 0000000..6d41d97
--- /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 0000000..060957a
--- /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 0000000..2ddb0c1
--- /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 0000000..6fee7f2
--- /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 = .);
+}