Signed-off-by: Nobuhiro Iwamatsu iwamatsu@nigauri.org --- Makefile | 2 +- board/r7780mp/Makefile | 48 ---- board/r7780mp/config.mk | 27 -- board/r7780mp/lowlevel_init.S | 429 --------------------------------- board/r7780mp/r7780mp.c | 85 ------- board/r7780mp/r7780mp.h | 54 ---- board/r7780mp/u-boot.lds | 105 -------- board/renesas/r7780mp/Makefile | 48 ++++ board/renesas/r7780mp/config.mk | 27 ++ board/renesas/r7780mp/lowlevel_init.S | 429 +++++++++++++++++++++++++++++++++ board/renesas/r7780mp/r7780mp.c | 85 +++++++ board/renesas/r7780mp/r7780mp.h | 54 ++++ board/renesas/r7780mp/u-boot.lds | 105 ++++++++ 13 files changed, 749 insertions(+), 749 deletions(-) delete mode 100644 board/r7780mp/Makefile delete mode 100644 board/r7780mp/config.mk delete mode 100644 board/r7780mp/lowlevel_init.S delete mode 100644 board/r7780mp/r7780mp.c delete mode 100644 board/r7780mp/r7780mp.h delete mode 100644 board/r7780mp/u-boot.lds create mode 100644 board/renesas/r7780mp/Makefile create mode 100644 board/renesas/r7780mp/config.mk create mode 100644 board/renesas/r7780mp/lowlevel_init.S create mode 100644 board/renesas/r7780mp/r7780mp.c create mode 100644 board/renesas/r7780mp/r7780mp.h create mode 100644 board/renesas/r7780mp/u-boot.lds
diff --git a/Makefile b/Makefile index 6da4bff..ba7f365 100644 --- a/Makefile +++ b/Makefile @@ -3130,7 +3130,7 @@ r2dplus_config : unconfig r7780mp_config: unconfig @mkdir -p $(obj)include @echo "#define CONFIG_R7780MP 1" > $(obj)include/config.h - @$(MKCONFIG) -a $(@:_config=) sh sh4 r7780mp + @$(MKCONFIG) -a $(@:_config=) sh sh4 r7780mp renesas
sh7763rdp_config : unconfig @mkdir -p $(obj)include diff --git a/board/r7780mp/Makefile b/board/r7780mp/Makefile deleted file mode 100644 index c100e7e..0000000 --- a/board/r7780mp/Makefile +++ /dev/null @@ -1,48 +0,0 @@ -# -# Copyright (C) 2007,2008 Nobuhiro Iwamatsu -# -# board/r7780mp/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 = $(obj)lib$(BOARD).a - -COBJS := r7780mp.o -SOBJS := lowlevel_init.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) -SOBJS := $(addprefix $(obj),$(SOBJS)) - -$(LIB): $(OBJS) $(SOBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) - -clean: - rm -f $(SOBJS) $(OBJS) - -distclean: clean - rm -f $(LIB) core *.bak $(obj).depend - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/r7780mp/config.mk b/board/r7780mp/config.mk deleted file mode 100644 index 6a045a1..0000000 --- a/board/r7780mp/config.mk +++ /dev/null @@ -1,27 +0,0 @@ -# -# Copyright (C) 2007,2008 Nobuhiro Iwamatsu -# -# board/r77870mp/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 = 0x0FFC0000 diff --git a/board/r7780mp/lowlevel_init.S b/board/r7780mp/lowlevel_init.S deleted file mode 100644 index ab0499a..0000000 --- a/board/r7780mp/lowlevel_init.S +++ /dev/null @@ -1,429 +0,0 @@ -/* - * Copyright (C) 2007,2008 Nobuhiro Iwamatsu - * - * u-boot/board/r7780mp/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 - */ - -#include <config.h> -#include <version.h> -#include <asm/processor.h> - -/* - * Board specific low level init code, called _very_ early in the - * startup sequence. Relocation to SDRAM has not happened yet, no - * stack is available, bss section has not been initialised, etc. - * - * (Note: As no stack is available, no subroutines can be called...). - */ - - .global lowlevel_init - - .text - .align 2 - -lowlevel_init: - - mov.l CCR_A, r1 /* Address of Cache Control Register */ - mov.l CCR_D, r0 /* Instruction Cache Invalidate */ - mov.l r0, @r1 - - mov.l FRQCR_A, r1 /* Frequency control register */ - mov.l FRQCR_D, r0 - mov.l r0, @r1 - - /* pin_multi_setting */ - mov.l BBG_PMMR_A,r1 - mov.l BBG_PMMR_D_PMSR1,r0 - mov.l r0,@r1 - - mov.l BBG_PMSR1_A,r1 - mov.l BBG_PMSR1_D,r0 - mov.l r0,@r1 - - mov.l BBG_PMMR_A,r1 - mov.l BBG_PMMR_D_PMSR2,r0 - mov.l r0,@r1 - - mov.l BBG_PMSR2_A,r1 - mov.l BBG_PMSR2_D,r0 - mov.l r0,@r1 - - mov.l BBG_PMMR_A,r1 - mov.l BBG_PMMR_D_PMSR3,r0 - mov.l r0,@r1 - - mov.l BBG_PMSR3_A,r1 - mov.l BBG_PMSR3_D,r0 - mov.l r0,@r1 - - mov.l BBG_PMMR_A,r1 - mov.l BBG_PMMR_D_PMSR4,r0 - mov.l r0,@r1 - - mov.l BBG_PMSR4_A,r1 - mov.l BBG_PMSR4_D,r0 - mov.l r0,@r1 - - mov.l BBG_PMMR_A,r1 - mov.l BBG_PMMR_D_PMSRG,r0 - mov.l r0,@r1 - - mov.l BBG_PMSRG_A,r1 - mov.l BBG_PMSRG_D,r0 - mov.l r0,@r1 - - /* cpg_setting */ - mov.l FRQCR_A,r1 - mov.l FRQCR_D,r0 - mov.l r0,@r1 - - mov.l DLLCSR_A,r1 - mov.l DLLCSR_D,r0 - mov.l r0,@r1 - - nop - nop - nop - nop - nop - nop - nop - nop - nop - nop - - /* wait 200us */ - mov.l REPEAT0_R3,r3 - mov #0,r2 -repeat0: - add #1,r2 - cmp/hs r3,r2 - bf repeat0 - nop - - /* bsc_setting */ - mov.l MMSELR_A,r1 - mov.l MMSELR_D,r0 - mov.l r0,@r1 - - mov.l BCR_A,r1 - mov.l BCR_D,r0 - mov.l r0,@r1 - - mov.l CS0BCR_A,r1 - mov.l CS0BCR_D,r0 - mov.l r0,@r1 - - mov.l CS1BCR_A,r1 - mov.l CS1BCR_D,r0 - mov.l r0,@r1 - - mov.l CS2BCR_A,r1 - mov.l CS2BCR_D,r0 - mov.l r0,@r1 - - mov.l CS4BCR_A,r1 - mov.l CS4BCR_D,r0 - mov.l r0,@r1 - - mov.l CS5BCR_A,r1 - mov.l CS5BCR_D,r0 - mov.l r0,@r1 - - mov.l CS6BCR_A,r1 - mov.l CS6BCR_D,r0 - mov.l r0,@r1 - - mov.l CS0WCR_A,r1 - mov.l CS0WCR_D,r0 - mov.l r0,@r1 - - mov.l CS1WCR_A,r1 - mov.l CS1WCR_D,r0 - mov.l r0,@r1 - - mov.l CS2WCR_A,r1 - mov.l CS2WCR_D,r0 - mov.l r0,@r1 - - mov.l CS4WCR_A,r1 - mov.l CS4WCR_D,r0 - mov.l r0,@r1 - - mov.l CS5WCR_A,r1 - mov.l CS5WCR_D,r0 - mov.l r0,@r1 - - mov.l CS6WCR_A,r1 - mov.l CS6WCR_D,r0 - mov.l r0,@r1 - - mov.l CS5PCR_A,r1 - mov.l CS5PCR_D,r0 - mov.l r0,@r1 - - mov.l CS6PCR_A,r1 - mov.l CS6PCR_D,r0 - mov.l r0,@r1 - - /* ddr_setting */ - /* wait 200us */ - mov.l REPEAT0_R3,r3 - mov #0,r2 -repeat1: - add #1,r2 - cmp/hs r3,r2 - bf repeat1 - nop - - mov.l MIM_U_A,r0 - mov.l MIM_U_D,r1 - synco - mov.l r1,@r0 - synco - - mov.l MIM_L_A,r0 - mov.l MIM_L_D0,r1 - synco - mov.l r1,@r0 - synco - - mov.l STR_L_A,r0 - mov.l STR_L_D,r1 - synco - mov.l r1,@r0 - synco - - mov.l SDR_L_A,r0 - mov.l SDR_L_D,r1 - synco - mov.l r1,@r0 - synco - - nop - nop - nop - nop - - mov.l SCR_L_A,r0 - mov.l SCR_L_D0,r1 - synco - mov.l r1,@r0 - synco - - mov.l SCR_L_A,r0 - mov.l SCR_L_D1,r1 - synco - mov.l r1,@r0 - synco - - nop - nop - nop - - mov.l EMRS_A,r0 - mov.l EMRS_D,r1 - synco - mov.l r1,@r0 - synco - - nop - nop - nop - - mov.l MRS1_A,r0 - mov.l MRS1_D,r1 - synco - mov.l r1,@r0 - synco - - nop - nop - nop - - mov.l SCR_L_A,r0 - mov.l SCR_L_D2,r1 - synco - mov.l r1,@r0 - synco - - nop - nop - nop - - mov.l SCR_L_A,r0 - mov.l SCR_L_D3,r1 - synco - mov.l r1,@r0 - synco - - nop - nop - nop - - mov.l SCR_L_A,r0 - mov.l SCR_L_D4,r1 - synco - mov.l r1,@r0 - synco - - nop - nop - nop - - mov.l MRS2_A,r0 - mov.l MRS2_D,r1 - synco - mov.l r1,@r0 - synco - - nop - nop - nop - - mov.l SCR_L_A,r0 - mov.l SCR_L_D5,r1 - synco - mov.l r1,@r0 - synco - - /* wait 200us */ - mov.l REPEAT0_R1,r3 - mov #0,r2 -repeat2: - add #1,r2 - cmp/hs r3,r2 - bf repeat2 - - synco - - mov.l MIM_L_A,r0 - mov.l MIM_L_D1,r1 - synco - mov.l r1,@r0 - synco - - rts - nop - .align 4 - -RWTCSR_D_1: .word 0xA507 -RWTCSR_D_2: .word 0xA507 -RWTCNT_D: .word 0x5A00 - .align 2 - -BBG_PMMR_A: .long 0xFF800010 -BBG_PMSR1_A: .long 0xFF800014 -BBG_PMSR2_A: .long 0xFF800018 -BBG_PMSR3_A: .long 0xFF80001C -BBG_PMSR4_A: .long 0xFF800020 -BBG_PMSRG_A: .long 0xFF800024 - -BBG_PMMR_D_PMSR1: .long 0xffffbffd -BBG_PMSR1_D: .long 0x00004002 -BBG_PMMR_D_PMSR2: .long 0xfc21a7ff -BBG_PMSR2_D: .long 0x03de5800 -BBG_PMMR_D_PMSR3: .long 0xfffffff8 -BBG_PMSR3_D: .long 0x00000007 -BBG_PMMR_D_PMSR4: .long 0xdffdfff9 -BBG_PMSR4_D: .long 0x20020006 -BBG_PMMR_D_PMSRG: .long 0xffffffff -BBG_PMSRG_D: .long 0x00000000 - -FRQCR_A: .long FRQCR -DLLCSR_A: .long 0xffc40010 -FRQCR_D: .long 0x40233035 -DLLCSR_D: .long 0x00000000 - -/* for DDR-SDRAM */ -MIM_U_A: .long MIM_1 -MIM_L_A: .long MIM_2 -SCR_U_A: .long SCR_1 -SCR_L_A: .long SCR_2 -STR_U_A: .long STR_1 -STR_L_A: .long STR_2 -SDR_U_A: .long SDR_1 -SDR_L_A: .long SDR_2 - -EMRS_A: .long 0xFEC02000 -MRS1_A: .long 0xFEC00B08 -MRS2_A: .long 0xFEC00308 - -MIM_U_D: .long 0x00004000 -MIM_L_D0: .long 0x03e80009 -MIM_L_D1: .long 0x03e80209 -SCR_L_D0: .long 0x3 -SCR_L_D1: .long 0x2 -SCR_L_D2: .long 0x2 -SCR_L_D3: .long 0x4 -SCR_L_D4: .long 0x4 -SCR_L_D5: .long 0x0 -STR_L_D: .long 0x000f0000 -SDR_L_D: .long 0x00000400 -EMRS_D: .long 0x0 -MRS1_D: .long 0x0 -MRS2_D: .long 0x0 - -/* Cache Controller */ -CCR_A: .long CCR -MMUCR_A: .long MMUCR -RWTCNT_A: .long WTCNT - -CCR_D: .long 0x0000090b -CCR_D_2: .long 0x00000103 -MMUCR_D: .long 0x00000004 -MSTPCR0_D: .long 0x00001001 -MSTPCR2_D: .long 0xffffffff - -/* local Bus State Controller */ -MMSELR_A: .long MMSELR -BCR_A: .long BCR -CS0BCR_A: .long CS0BCR -CS1BCR_A: .long CS1BCR -CS2BCR_A: .long CS2BCR -CS4BCR_A: .long CS4BCR -CS5BCR_A: .long CS5BCR -CS6BCR_A: .long CS6BCR -CS0WCR_A: .long CS0WCR -CS1WCR_A: .long CS1WCR -CS2WCR_A: .long CS2WCR -CS4WCR_A: .long CS4WCR -CS5WCR_A: .long CS5WCR -CS6WCR_A: .long CS6WCR -CS5PCR_A: .long CS5PCR -CS6PCR_A: .long CS6PCR - -MMSELR_D: .long 0xA5A50003 -BCR_D: .long 0x00000000 -CS0BCR_D: .long 0x77777770 -CS1BCR_D: .long 0x77777670 -CS2BCR_D: .long 0x77777770 -CS4BCR_D: .long 0x77777770 -CS5BCR_D: .long 0x77777670 -CS6BCR_D: .long 0x77777770 -CS0WCR_D: .long 0x00020006 -CS1WCR_D: .long 0x00232304 -CS2WCR_D: .long 0x7777770F -CS4WCR_D: .long 0x7777770F -CS5WCR_D: .long 0x00101006 -CS6WCR_D: .long 0x77777703 -CS5PCR_D: .long 0x77000000 -CS6PCR_D: .long 0x77000000 - -REPEAT0_R3: .long 0x00002000 -REPEAT0_R1: .long 0x0000200 diff --git a/board/r7780mp/r7780mp.c b/board/r7780mp/r7780mp.c deleted file mode 100644 index 396e4b6..0000000 --- a/board/r7780mp/r7780mp.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * Copyright (C) 2007,2008 Nobuhiro Iwamatsu iwamatsu@nigauri.org - * Copyright (C) 2008 Yusuke Goda goda.yusuke@renesas.com - * - * 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/io.h> -#include <asm/pci.h> -#include <netdev.h> -#include "r7780mp.h" - -int checkboard(void) -{ -#if defined(CONFIG_R7780MP) - puts("BOARD: Renesas Solutions R7780MP\n"); -#else - puts("BOARD: Renesas Solutions R7780RP\n"); -#endif - return 0; -} - -int board_init(void) -{ - /* SCIF Enable */ - writew(0x0, PHCR); - - 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; -} - -void led_set_state(unsigned short value) -{ - -} - -void ide_set_reset(int idereset) -{ - /* if reset = 1 IDE reset will be asserted */ - if (idereset) { - writew(0x432, FPGA_CFCTL); -#if defined(CONFIG_R7780MP) - writew(inw(FPGA_CFPOW)|0x01, FPGA_CFPOW); -#else - writew(inw(FPGA_CFPOW)|0x02, FPGA_CFPOW); -#endif - writew(0x01, FPGA_CFCDINTCLR); - } -} - -static struct pci_controller hose; -void pci_init_board(void) -{ - pci_sh7780_init(&hose); -} - -int board_eth_init(bd_t *bis) -{ - return pci_eth_init(bis); -} diff --git a/board/r7780mp/r7780mp.h b/board/r7780mp/r7780mp.h deleted file mode 100644 index 476a413..0000000 --- a/board/r7780mp/r7780mp.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Copyright (C) 2007 Nobuhiro Iwamatsu - * Copyright (C) 2008 Yusuke Goda goda.yusuke@renesas.com - * - * u-boot/board/r7780mp/r7780mp.h - * - * 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 - */ - -#ifndef _BOARD_R7780MP_R7780MP_H_ -#define _BOARD_R7780MP_R7780MP_H_ - -/* R7780MP's FPGA register map */ -#define FPGA_BASE 0xa4000000 -#define FPGA_IRLMSK (FPGA_BASE + 0x00) -#define FPGA_IRLMON (FPGA_BASE + 0x02) -#define FPGA_IRLPRI1 (FPGA_BASE + 0x04) -#define FPGA_IRLPRI2 (FPGA_BASE + 0x06) -#define FPGA_IRLPRI3 (FPGA_BASE + 0x08) -#define FPGA_IRLPRI4 (FPGA_BASE + 0x0A) -#define FPGA_RSTCTL (FPGA_BASE + 0x0C) -#define FPGA_PCIBD (FPGA_BASE + 0x0E) -#define FPGA_PCICD (FPGA_BASE + 0x10) -#define FPGA_EXTGIO (FPGA_BASE + 0x16) -#define FPGA_IVDRMON (FPGA_BASE + 0x18) -#define FPGA_IVDRCR (FPGA_BASE + 0x1A) -#define FPGA_OBLED (FPGA_BASE + 0x1C) -#define FPGA_OBSW (FPGA_BASE + 0x1E) -#define FPGA_TPCTL (FPGA_BASE + 0x100) -#define FPGA_TPDCKCTL (FPGA_BASE + 0x102) -#define FPGA_TPCLR (FPGA_BASE + 0x104) -#define FPGA_TPXPOS (FPGA_BASE + 0x106) -#define FPGA_TPYPOS (FPGA_BASE + 0x108) -#define FPGA_DBSW (FPGA_BASE + 0x200) -#define FPGA_VERSION (FPGA_BASE + 0x700) -#define FPGA_CFCTL (FPGA_BASE + 0x300) -#define FPGA_CFPOW (FPGA_BASE + 0x302) -#define FPGA_CFCDINTCLR (FPGA_BASE + 0x304) -#define FPGA_PMR (FPGA_BASE + 0x900) - -#endif /* _BOARD_R7780RP_R7780RP_H_ */ diff --git a/board/r7780mp/u-boot.lds b/board/r7780mp/u-boot.lds deleted file mode 100644 index eaa05d0..0000000 --- a/board/r7780mp/u-boot.lds +++ /dev/null @@ -1,105 +0,0 @@ -/* - * 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). - - */ - . = 0x08000000 + (128*1024*1024) - (256*1024); - - PROVIDE (reloc_dst = .); - - PROVIDE (_ftext = .); - PROVIDE (_fcode = .); - PROVIDE (_start = .); - - .text : - { - cpu/sh4/start.o (.text) - . = ALIGN(8192); - common/env_embedded.o (.ppcenv) - . = ALIGN(8192); - common/env_embedded.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 = .); -} diff --git a/board/renesas/r7780mp/Makefile b/board/renesas/r7780mp/Makefile new file mode 100644 index 0000000..c100e7e --- /dev/null +++ b/board/renesas/r7780mp/Makefile @@ -0,0 +1,48 @@ +# +# Copyright (C) 2007,2008 Nobuhiro Iwamatsu +# +# board/r7780mp/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 = $(obj)lib$(BOARD).a + +COBJS := r7780mp.o +SOBJS := lowlevel_init.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/renesas/r7780mp/config.mk b/board/renesas/r7780mp/config.mk new file mode 100644 index 0000000..6a045a1 --- /dev/null +++ b/board/renesas/r7780mp/config.mk @@ -0,0 +1,27 @@ +# +# Copyright (C) 2007,2008 Nobuhiro Iwamatsu +# +# board/r77870mp/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 = 0x0FFC0000 diff --git a/board/renesas/r7780mp/lowlevel_init.S b/board/renesas/r7780mp/lowlevel_init.S new file mode 100644 index 0000000..ab0499a --- /dev/null +++ b/board/renesas/r7780mp/lowlevel_init.S @@ -0,0 +1,429 @@ +/* + * Copyright (C) 2007,2008 Nobuhiro Iwamatsu + * + * u-boot/board/r7780mp/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 + */ + +#include <config.h> +#include <version.h> +#include <asm/processor.h> + +/* + * Board specific low level init code, called _very_ early in the + * startup sequence. Relocation to SDRAM has not happened yet, no + * stack is available, bss section has not been initialised, etc. + * + * (Note: As no stack is available, no subroutines can be called...). + */ + + .global lowlevel_init + + .text + .align 2 + +lowlevel_init: + + mov.l CCR_A, r1 /* Address of Cache Control Register */ + mov.l CCR_D, r0 /* Instruction Cache Invalidate */ + mov.l r0, @r1 + + mov.l FRQCR_A, r1 /* Frequency control register */ + mov.l FRQCR_D, r0 + mov.l r0, @r1 + + /* pin_multi_setting */ + mov.l BBG_PMMR_A,r1 + mov.l BBG_PMMR_D_PMSR1,r0 + mov.l r0,@r1 + + mov.l BBG_PMSR1_A,r1 + mov.l BBG_PMSR1_D,r0 + mov.l r0,@r1 + + mov.l BBG_PMMR_A,r1 + mov.l BBG_PMMR_D_PMSR2,r0 + mov.l r0,@r1 + + mov.l BBG_PMSR2_A,r1 + mov.l BBG_PMSR2_D,r0 + mov.l r0,@r1 + + mov.l BBG_PMMR_A,r1 + mov.l BBG_PMMR_D_PMSR3,r0 + mov.l r0,@r1 + + mov.l BBG_PMSR3_A,r1 + mov.l BBG_PMSR3_D,r0 + mov.l r0,@r1 + + mov.l BBG_PMMR_A,r1 + mov.l BBG_PMMR_D_PMSR4,r0 + mov.l r0,@r1 + + mov.l BBG_PMSR4_A,r1 + mov.l BBG_PMSR4_D,r0 + mov.l r0,@r1 + + mov.l BBG_PMMR_A,r1 + mov.l BBG_PMMR_D_PMSRG,r0 + mov.l r0,@r1 + + mov.l BBG_PMSRG_A,r1 + mov.l BBG_PMSRG_D,r0 + mov.l r0,@r1 + + /* cpg_setting */ + mov.l FRQCR_A,r1 + mov.l FRQCR_D,r0 + mov.l r0,@r1 + + mov.l DLLCSR_A,r1 + mov.l DLLCSR_D,r0 + mov.l r0,@r1 + + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + + /* wait 200us */ + mov.l REPEAT0_R3,r3 + mov #0,r2 +repeat0: + add #1,r2 + cmp/hs r3,r2 + bf repeat0 + nop + + /* bsc_setting */ + mov.l MMSELR_A,r1 + mov.l MMSELR_D,r0 + mov.l r0,@r1 + + mov.l BCR_A,r1 + mov.l BCR_D,r0 + mov.l r0,@r1 + + mov.l CS0BCR_A,r1 + mov.l CS0BCR_D,r0 + mov.l r0,@r1 + + mov.l CS1BCR_A,r1 + mov.l CS1BCR_D,r0 + mov.l r0,@r1 + + mov.l CS2BCR_A,r1 + mov.l CS2BCR_D,r0 + mov.l r0,@r1 + + mov.l CS4BCR_A,r1 + mov.l CS4BCR_D,r0 + mov.l r0,@r1 + + mov.l CS5BCR_A,r1 + mov.l CS5BCR_D,r0 + mov.l r0,@r1 + + mov.l CS6BCR_A,r1 + mov.l CS6BCR_D,r0 + mov.l r0,@r1 + + mov.l CS0WCR_A,r1 + mov.l CS0WCR_D,r0 + mov.l r0,@r1 + + mov.l CS1WCR_A,r1 + mov.l CS1WCR_D,r0 + mov.l r0,@r1 + + mov.l CS2WCR_A,r1 + mov.l CS2WCR_D,r0 + mov.l r0,@r1 + + mov.l CS4WCR_A,r1 + mov.l CS4WCR_D,r0 + mov.l r0,@r1 + + mov.l CS5WCR_A,r1 + mov.l CS5WCR_D,r0 + mov.l r0,@r1 + + mov.l CS6WCR_A,r1 + mov.l CS6WCR_D,r0 + mov.l r0,@r1 + + mov.l CS5PCR_A,r1 + mov.l CS5PCR_D,r0 + mov.l r0,@r1 + + mov.l CS6PCR_A,r1 + mov.l CS6PCR_D,r0 + mov.l r0,@r1 + + /* ddr_setting */ + /* wait 200us */ + mov.l REPEAT0_R3,r3 + mov #0,r2 +repeat1: + add #1,r2 + cmp/hs r3,r2 + bf repeat1 + nop + + mov.l MIM_U_A,r0 + mov.l MIM_U_D,r1 + synco + mov.l r1,@r0 + synco + + mov.l MIM_L_A,r0 + mov.l MIM_L_D0,r1 + synco + mov.l r1,@r0 + synco + + mov.l STR_L_A,r0 + mov.l STR_L_D,r1 + synco + mov.l r1,@r0 + synco + + mov.l SDR_L_A,r0 + mov.l SDR_L_D,r1 + synco + mov.l r1,@r0 + synco + + nop + nop + nop + nop + + mov.l SCR_L_A,r0 + mov.l SCR_L_D0,r1 + synco + mov.l r1,@r0 + synco + + mov.l SCR_L_A,r0 + mov.l SCR_L_D1,r1 + synco + mov.l r1,@r0 + synco + + nop + nop + nop + + mov.l EMRS_A,r0 + mov.l EMRS_D,r1 + synco + mov.l r1,@r0 + synco + + nop + nop + nop + + mov.l MRS1_A,r0 + mov.l MRS1_D,r1 + synco + mov.l r1,@r0 + synco + + nop + nop + nop + + mov.l SCR_L_A,r0 + mov.l SCR_L_D2,r1 + synco + mov.l r1,@r0 + synco + + nop + nop + nop + + mov.l SCR_L_A,r0 + mov.l SCR_L_D3,r1 + synco + mov.l r1,@r0 + synco + + nop + nop + nop + + mov.l SCR_L_A,r0 + mov.l SCR_L_D4,r1 + synco + mov.l r1,@r0 + synco + + nop + nop + nop + + mov.l MRS2_A,r0 + mov.l MRS2_D,r1 + synco + mov.l r1,@r0 + synco + + nop + nop + nop + + mov.l SCR_L_A,r0 + mov.l SCR_L_D5,r1 + synco + mov.l r1,@r0 + synco + + /* wait 200us */ + mov.l REPEAT0_R1,r3 + mov #0,r2 +repeat2: + add #1,r2 + cmp/hs r3,r2 + bf repeat2 + + synco + + mov.l MIM_L_A,r0 + mov.l MIM_L_D1,r1 + synco + mov.l r1,@r0 + synco + + rts + nop + .align 4 + +RWTCSR_D_1: .word 0xA507 +RWTCSR_D_2: .word 0xA507 +RWTCNT_D: .word 0x5A00 + .align 2 + +BBG_PMMR_A: .long 0xFF800010 +BBG_PMSR1_A: .long 0xFF800014 +BBG_PMSR2_A: .long 0xFF800018 +BBG_PMSR3_A: .long 0xFF80001C +BBG_PMSR4_A: .long 0xFF800020 +BBG_PMSRG_A: .long 0xFF800024 + +BBG_PMMR_D_PMSR1: .long 0xffffbffd +BBG_PMSR1_D: .long 0x00004002 +BBG_PMMR_D_PMSR2: .long 0xfc21a7ff +BBG_PMSR2_D: .long 0x03de5800 +BBG_PMMR_D_PMSR3: .long 0xfffffff8 +BBG_PMSR3_D: .long 0x00000007 +BBG_PMMR_D_PMSR4: .long 0xdffdfff9 +BBG_PMSR4_D: .long 0x20020006 +BBG_PMMR_D_PMSRG: .long 0xffffffff +BBG_PMSRG_D: .long 0x00000000 + +FRQCR_A: .long FRQCR +DLLCSR_A: .long 0xffc40010 +FRQCR_D: .long 0x40233035 +DLLCSR_D: .long 0x00000000 + +/* for DDR-SDRAM */ +MIM_U_A: .long MIM_1 +MIM_L_A: .long MIM_2 +SCR_U_A: .long SCR_1 +SCR_L_A: .long SCR_2 +STR_U_A: .long STR_1 +STR_L_A: .long STR_2 +SDR_U_A: .long SDR_1 +SDR_L_A: .long SDR_2 + +EMRS_A: .long 0xFEC02000 +MRS1_A: .long 0xFEC00B08 +MRS2_A: .long 0xFEC00308 + +MIM_U_D: .long 0x00004000 +MIM_L_D0: .long 0x03e80009 +MIM_L_D1: .long 0x03e80209 +SCR_L_D0: .long 0x3 +SCR_L_D1: .long 0x2 +SCR_L_D2: .long 0x2 +SCR_L_D3: .long 0x4 +SCR_L_D4: .long 0x4 +SCR_L_D5: .long 0x0 +STR_L_D: .long 0x000f0000 +SDR_L_D: .long 0x00000400 +EMRS_D: .long 0x0 +MRS1_D: .long 0x0 +MRS2_D: .long 0x0 + +/* Cache Controller */ +CCR_A: .long CCR +MMUCR_A: .long MMUCR +RWTCNT_A: .long WTCNT + +CCR_D: .long 0x0000090b +CCR_D_2: .long 0x00000103 +MMUCR_D: .long 0x00000004 +MSTPCR0_D: .long 0x00001001 +MSTPCR2_D: .long 0xffffffff + +/* local Bus State Controller */ +MMSELR_A: .long MMSELR +BCR_A: .long BCR +CS0BCR_A: .long CS0BCR +CS1BCR_A: .long CS1BCR +CS2BCR_A: .long CS2BCR +CS4BCR_A: .long CS4BCR +CS5BCR_A: .long CS5BCR +CS6BCR_A: .long CS6BCR +CS0WCR_A: .long CS0WCR +CS1WCR_A: .long CS1WCR +CS2WCR_A: .long CS2WCR +CS4WCR_A: .long CS4WCR +CS5WCR_A: .long CS5WCR +CS6WCR_A: .long CS6WCR +CS5PCR_A: .long CS5PCR +CS6PCR_A: .long CS6PCR + +MMSELR_D: .long 0xA5A50003 +BCR_D: .long 0x00000000 +CS0BCR_D: .long 0x77777770 +CS1BCR_D: .long 0x77777670 +CS2BCR_D: .long 0x77777770 +CS4BCR_D: .long 0x77777770 +CS5BCR_D: .long 0x77777670 +CS6BCR_D: .long 0x77777770 +CS0WCR_D: .long 0x00020006 +CS1WCR_D: .long 0x00232304 +CS2WCR_D: .long 0x7777770F +CS4WCR_D: .long 0x7777770F +CS5WCR_D: .long 0x00101006 +CS6WCR_D: .long 0x77777703 +CS5PCR_D: .long 0x77000000 +CS6PCR_D: .long 0x77000000 + +REPEAT0_R3: .long 0x00002000 +REPEAT0_R1: .long 0x0000200 diff --git a/board/renesas/r7780mp/r7780mp.c b/board/renesas/r7780mp/r7780mp.c new file mode 100644 index 0000000..396e4b6 --- /dev/null +++ b/board/renesas/r7780mp/r7780mp.c @@ -0,0 +1,85 @@ +/* + * Copyright (C) 2007,2008 Nobuhiro Iwamatsu iwamatsu@nigauri.org + * Copyright (C) 2008 Yusuke Goda goda.yusuke@renesas.com + * + * 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/io.h> +#include <asm/pci.h> +#include <netdev.h> +#include "r7780mp.h" + +int checkboard(void) +{ +#if defined(CONFIG_R7780MP) + puts("BOARD: Renesas Solutions R7780MP\n"); +#else + puts("BOARD: Renesas Solutions R7780RP\n"); +#endif + return 0; +} + +int board_init(void) +{ + /* SCIF Enable */ + writew(0x0, PHCR); + + 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; +} + +void led_set_state(unsigned short value) +{ + +} + +void ide_set_reset(int idereset) +{ + /* if reset = 1 IDE reset will be asserted */ + if (idereset) { + writew(0x432, FPGA_CFCTL); +#if defined(CONFIG_R7780MP) + writew(inw(FPGA_CFPOW)|0x01, FPGA_CFPOW); +#else + writew(inw(FPGA_CFPOW)|0x02, FPGA_CFPOW); +#endif + writew(0x01, FPGA_CFCDINTCLR); + } +} + +static struct pci_controller hose; +void pci_init_board(void) +{ + pci_sh7780_init(&hose); +} + +int board_eth_init(bd_t *bis) +{ + return pci_eth_init(bis); +} diff --git a/board/renesas/r7780mp/r7780mp.h b/board/renesas/r7780mp/r7780mp.h new file mode 100644 index 0000000..476a413 --- /dev/null +++ b/board/renesas/r7780mp/r7780mp.h @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2007 Nobuhiro Iwamatsu + * Copyright (C) 2008 Yusuke Goda goda.yusuke@renesas.com + * + * u-boot/board/r7780mp/r7780mp.h + * + * 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 + */ + +#ifndef _BOARD_R7780MP_R7780MP_H_ +#define _BOARD_R7780MP_R7780MP_H_ + +/* R7780MP's FPGA register map */ +#define FPGA_BASE 0xa4000000 +#define FPGA_IRLMSK (FPGA_BASE + 0x00) +#define FPGA_IRLMON (FPGA_BASE + 0x02) +#define FPGA_IRLPRI1 (FPGA_BASE + 0x04) +#define FPGA_IRLPRI2 (FPGA_BASE + 0x06) +#define FPGA_IRLPRI3 (FPGA_BASE + 0x08) +#define FPGA_IRLPRI4 (FPGA_BASE + 0x0A) +#define FPGA_RSTCTL (FPGA_BASE + 0x0C) +#define FPGA_PCIBD (FPGA_BASE + 0x0E) +#define FPGA_PCICD (FPGA_BASE + 0x10) +#define FPGA_EXTGIO (FPGA_BASE + 0x16) +#define FPGA_IVDRMON (FPGA_BASE + 0x18) +#define FPGA_IVDRCR (FPGA_BASE + 0x1A) +#define FPGA_OBLED (FPGA_BASE + 0x1C) +#define FPGA_OBSW (FPGA_BASE + 0x1E) +#define FPGA_TPCTL (FPGA_BASE + 0x100) +#define FPGA_TPDCKCTL (FPGA_BASE + 0x102) +#define FPGA_TPCLR (FPGA_BASE + 0x104) +#define FPGA_TPXPOS (FPGA_BASE + 0x106) +#define FPGA_TPYPOS (FPGA_BASE + 0x108) +#define FPGA_DBSW (FPGA_BASE + 0x200) +#define FPGA_VERSION (FPGA_BASE + 0x700) +#define FPGA_CFCTL (FPGA_BASE + 0x300) +#define FPGA_CFPOW (FPGA_BASE + 0x302) +#define FPGA_CFCDINTCLR (FPGA_BASE + 0x304) +#define FPGA_PMR (FPGA_BASE + 0x900) + +#endif /* _BOARD_R7780RP_R7780RP_H_ */ diff --git a/board/renesas/r7780mp/u-boot.lds b/board/renesas/r7780mp/u-boot.lds new file mode 100644 index 0000000..eaa05d0 --- /dev/null +++ b/board/renesas/r7780mp/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). + + */ + . = 0x08000000 + (128*1024*1024) - (256*1024); + + PROVIDE (reloc_dst = .); + + PROVIDE (_ftext = .); + PROVIDE (_fcode = .); + PROVIDE (_start = .); + + .text : + { + cpu/sh4/start.o (.text) + . = ALIGN(8192); + common/env_embedded.o (.ppcenv) + . = ALIGN(8192); + common/env_embedded.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 = .); +}