diff options
Diffstat (limited to 'board/r2dplus')
| -rw-r--r-- | board/r2dplus/Makefile | 43 | ||||
| -rw-r--r-- | board/r2dplus/config.mk | 23 | ||||
| -rw-r--r-- | board/r2dplus/lowlevel_init.S | 154 | ||||
| -rw-r--r-- | board/r2dplus/r2dplus.c | 76 | ||||
| -rw-r--r-- | board/r2dplus/u-boot.lds | 105 |
5 files changed, 401 insertions, 0 deletions
diff --git a/board/r2dplus/Makefile b/board/r2dplus/Makefile new file mode 100644 index 0000000..ed609ea --- /dev/null +++ b/board/r2dplus/Makefile @@ -0,0 +1,43 @@ +# +# Copyright (C) 2007,2008 +# Nobuhiro Iwamatsu <iwamatsu@nigauri.org> +# +# 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 := r2dplus.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/r2dplus/config.mk b/board/r2dplus/config.mk new file mode 100644 index 0000000..1ec7dcc --- /dev/null +++ b/board/r2dplus/config.mk @@ -0,0 +1,23 @@ +# +# Copyright (C) 2007,2008 +# Nobuhiro Iwamatsu <iwamatsu@nigauri.org> +# +# 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 +# +# +# NOTE: Must match value used in u-boot.lds (in this directory). +# +TEXT_BASE = 0x0FFC0000 diff --git a/board/r2dplus/lowlevel_init.S b/board/r2dplus/lowlevel_init.S new file mode 100644 index 0000000..5755de8 --- /dev/null +++ b/board/r2dplus/lowlevel_init.S @@ -0,0 +1,154 @@ +/* + * modified from SH-IPL+g (init-r0p751rlc0011rl.S) + * Initial Register Data for R0P751RLC0011RL (SH7751R 240MHz/120MHz/60MHz) + * Coyright (c) 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> +*/ + +#include <config.h> +#include <version.h> + +#include <asm/processor.h> + + .global lowlevel_init + .text + .align 2 + +lowlevel_init: + + mov.l CCR_A, r1 + mov.l CCR_D_D, r0 + mov.l r0,@r1 + + mov.l MMUCR_A,r1 + mov.l MMUCR_D,r0 + mov.w r0,@r1 + + mov.l BCR1_A,r1 + mov.l BCR1_D,r0 + mov.l r0,@r1 + + mov.l BCR2_A,r1 + mov.l BCR2_D,r0 + mov.w r0,@r1 + + mov.l BCR3_A,r1 + mov.l BCR3_D,r0 + mov.w r0,@r1 + + mov.l BCR4_A,r1 + mov.l BCR4_D,r0 + mov.l r0,@r1 + + mov.l WCR1_A,r1 + mov.l WCR1_D,r0 + mov.l r0,@r1 + + mov.l WCR2_A,r1 + mov.l WCR2_D,r0 + mov.l r0,@r1 + + mov.l WCR3_A,r1 + mov.l WCR3_D,r0 + mov.l r0,@r1 + + mov.l PCR_A,r1 + mov.l PCR_D,r0 + mov.w r0,@r1 + + mov.l LED_A,r1 + mov #0xff,r0 + mov.w r0,@r1 + + mov.l MCR_A,r1 + mov.l MCR_D1,r0 + mov.l r0,@r1 + + mov.l RTCNT_A,r1 + mov.l RTCNT_D,r0 + mov.w r0,@r1 + + mov.l RTCOR_A,r1 + mov.l RTCOR_D,r0 + mov.w r0,@r1 + + mov.l RFCR_A,r1 + mov.l RFCR_D,r0 + mov.w r0,@r1 + + mov.l RTCSR_A,r1 + mov.l RTCSR_D,r0 + mov.w r0,@r1 + + mov.l SDMR3_A,r1 + mov #0x55,r0 + mov.b r0,@r1 + + /* Wait DRAM refresh 30 times */ + mov.l RFCR_A,r1 + mov #30,r3 +1: + mov.w @r1,r0 + extu.w r0,r2 + cmp/hi r3,r2 + bf 1b + + mov.l MCR_A,r1 + mov.l MCR_D2,r0 + mov.l r0,@r1 + + mov.l SDMR3_A,r1 + mov #0,r0 + mov.b r0,@r1 + + mov.l IRLMASK_A,r1 + mov.l IRLMASK_D,r0 + mov.l r0,@r1 + + mov.l CCR_A, r1 + mov.l CCR_D_E, r0 + mov.l r0, @r1 + + rts + nop + + .align 2 +CCR_A: .long CCR /* Cache Control Register */ +CCR_D_D: .long 0x0808 /* Flush the cache, disable */ +CCR_D_E: .long 0x8000090B + +FRQCR_A: .long FRQCR /* FRQCR Address */ +FRQCR_D: .long 0x00000e0a /* 03/07/15 modify */ +BCR1_A: .long BCR1 /* BCR1 Address */ +BCR1_D: .long 0x00180008 +BCR2_A: .long BCR2 /* BCR2 Address */ +BCR2_D: .long 0xabe8 +BCR3_A: .long BCR3 /* BCR3 Address */ +BCR3_D: .long 0x0000 +BCR4_A: .long BCR4 /* BCR4 Address */ +BCR4_D: .long 0x00000010 +WCR1_A: .long WCR1 /* WCR1 Address */ +WCR1_D: .long 0x33343333 +WCR2_A: .long WCR2 /* WCR2 Address */ +WCR2_D: .long 0xcff86fbf +WCR3_A: .long WCR3 /* WCR3 Address */ +WCR3_D: .long 0x07777707 +LED_A: .long 0x04000036 /* LED Address */ +RTCNT_A: .long RTCNT /* RTCNT Address */ +RTCNT_D: .long 0xA500 /* RTCNT Write Code A5h Data 00h */ +RTCOR_A: .long RTCOR /* RTCOR Address */ +RTCOR_D: .long 0xA534 /* RTCOR Write Code */ +RTCSR_A: .long RTCSR /* RTCSR Address */ +RTCSR_D: .long 0xA510 /* RTCSR Write Code */ +SDMR3_A: .long 0xFF9400CC /* SDMR3 Address */ +SDMR3_D: .long 0x55 +MCR_A: .long MCR /* MCR Address */ +MCR_D1: .long 0x081901F4 /* MRSET:'0' */ +MCR_D2: .long 0x481901F4 /* MRSET:'1' */ +RFCR_A: .long RFCR /* RFCR Address */ +RFCR_D: .long 0xA400 /* RFCR Write Code A4h Data 00h */ +PCR_A: .long PCR /* PCR Address */ +PCR_D: .long 0x0000 +MMUCR_A: .long MMUCR /* MMUCCR Address */ +MMUCR_D: .long 0x00000000 /* MMUCCR Data */ +IRLMASK_A: .long 0xA4000000 /* IRLMASK Address */ +IRLMASK_D: .long 0x00000000 /* IRLMASK Data */ diff --git a/board/r2dplus/r2dplus.c b/board/r2dplus/r2dplus.c new file mode 100644 index 0000000..2ee3ea2 --- /dev/null +++ b/board/r2dplus/r2dplus.c @@ -0,0 +1,76 @@ +/* + * Copyright (C) 2007,2008 + * Nobuhiro Iwamatsu <iwamatsu@nigauri.org> + * + * 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 + */ + +#include <common.h> +#include <ide.h> +#include <asm/processor.h> +#include <asm/pci.h> + +int checkboard(void) +{ + puts("BOARD: Renesas Solutions R2D Plus\n"); + return 0; +} + +int board_init(void) +{ + 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("DRAM: %dMB\n", CFG_SDRAM_SIZE / (1024 * 1024)); + return 0; +} + +int board_late_init(void) +{ + return 0; +} + +#define FPGA_BASE 0xA4000000 +#define FPGA_CFCTL (FPGA_BASE + 0x04) +#define FPGA_CFPOW (FPGA_BASE + 0x06) +#define FPGA_CFCDINTCLR (FPGA_BASE + 0x2A) + +void ide_set_reset (int idereset) +{ + /* if reset = 1 IDE reset will be asserted */ + if (idereset){ + (*(vu_short *)FPGA_CFCTL) = 0x432; + (*(vu_short *)FPGA_CFPOW) |= 0x02; + (*(vu_short *)FPGA_CFCDINTCLR) = 0x01; + } +} + +#if defined(CONFIG_PCI) +static struct pci_controller hose; +void pci_init_board(void) +{ + pci_sh7751_init( &hose ); +} +#endif /* CONFIG_PCI */ diff --git a/board/r2dplus/u-boot.lds b/board/r2dplus/u-boot.lds new file mode 100644 index 0000000..96d8d81 --- /dev/null +++ b/board/r2dplus/u-boot.lds @@ -0,0 +1,105 @@ +/* + * Copyrigth (c) 2007,2008 + * Nobuhiro Iwamatsu <iwamatsu@nigauri.org> + * + * 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 0x0C000000. + Although size of SDRAM can be either 16 or 32 MBytes, + we assume 16 MBytes (ie ignore upper half if the full + 32 MBytes is present). + + NOTE: This address must match with the definition of + TEXT_BASE in config.mk (in this directory). + + */ + . = 0x0C000000 + (64*1024*1024) - (256*1024); + + PROVIDE (reloc_dst = .); + + PROVIDE (_ftext = .); + PROVIDE (_fcode = .); + PROVIDE (_start = .); + + .text : + { + cpu/sh4/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 = .); +} |