diff options
Diffstat (limited to 'board/amcc')
| -rw-r--r-- | board/amcc/sequoia/Makefile | 52 | ||||
| -rw-r--r-- | board/amcc/sequoia/config.mk | 41 | ||||
| -rw-r--r-- | board/amcc/sequoia/init.S | 157 | ||||
| -rw-r--r-- | board/amcc/sequoia/sdram.c | 83 | ||||
| -rw-r--r-- | board/amcc/sequoia/sequoia.c | 552 | ||||
| -rw-r--r-- | board/amcc/sequoia/sequoia.h | 67 | ||||
| -rw-r--r-- | board/amcc/sequoia/u-boot-nand.lds | 131 | ||||
| -rw-r--r-- | board/amcc/sequoia/u-boot.lds | 145 | 
8 files changed, 1228 insertions, 0 deletions
| diff --git a/board/amcc/sequoia/Makefile b/board/amcc/sequoia/Makefile new file mode 100644 index 000000000..b29c04a0d --- /dev/null +++ b/board/amcc/sequoia/Makefile @@ -0,0 +1,52 @@ +# +# (C) Copyright 2002-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# 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 $(TOPDIR)/config.mk +include $(TOPDIR)/include/config.mk + +LIB	= $(obj)lib$(BOARD).a + +COBJS	= $(BOARD).o sdram.o +SOBJS	= init.o + +SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS	:= $(addprefix $(obj),$(COBJS)) +SOBJS	:= $(addprefix $(obj),$(SOBJS)) + +$(LIB):	$(OBJS) $(SOBJS) +	$(AR) crv $@ $(OBJS) $(SOBJS) + +clean: +	rm -f $(SOBJS) $(OBJS) + +distclean:	clean +	rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/amcc/sequoia/config.mk b/board/amcc/sequoia/config.mk new file mode 100644 index 000000000..7713a72be --- /dev/null +++ b/board/amcc/sequoia/config.mk @@ -0,0 +1,41 @@ +# +# (C) Copyright 2002 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# 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 +# +# +# AMCC 440EPx Reference Platform (Sequoia) board +# + +sinclude $(TOPDIR)/board/$(BOARDDIR)/config.tmp + +ifndef TEXT_BASE +TEXT_BASE = 0xFFFA0000 +endif + +PLATFORM_CPPFLAGS += -DCONFIG_440=1 + +ifeq ($(debug),1) +PLATFORM_CPPFLAGS += -DDEBUG +endif + +ifeq ($(dbcr),1) +PLATFORM_CPPFLAGS += -DCFG_INIT_DBCR=0x8cff0000 +endif diff --git a/board/amcc/sequoia/init.S b/board/amcc/sequoia/init.S new file mode 100644 index 000000000..3d4ac8543 --- /dev/null +++ b/board/amcc/sequoia/init.S @@ -0,0 +1,157 @@ +/* + * + * 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 <ppc_asm.tmpl> +#include <config.h> + +/* General */ +#define TLB_VALID   0x00000200 +#define _256M       0x10000000 + +/* Supported page sizes */ + +#define SZ_1K	    0x00000000 +#define SZ_4K	    0x00000010 +#define SZ_16K	    0x00000020 +#define SZ_64K	    0x00000030 +#define SZ_256K	    0x00000040 +#define SZ_1M	    0x00000050 +#define SZ_8M       0x00000060 +#define SZ_16M	    0x00000070 +#define SZ_256M	    0x00000090 + +/* Storage attributes */ +#define SA_W	    0x00000800	    /* Write-through */ +#define SA_I	    0x00000400	    /* Caching inhibited */ +#define SA_M	    0x00000200	    /* Memory coherence */ +#define SA_G	    0x00000100	    /* Guarded */ +#define SA_E	    0x00000080	    /* Endian */ + +/* Access control */ +#define AC_X	    0x00000024	    /* Execute */ +#define AC_W	    0x00000012	    /* Write */ +#define AC_R	    0x00000009	    /* Read */ + +/* Some handy macros */ + +#define EPN(e)		((e) & 0xfffffc00) +#define TLB0(epn,sz)	( (EPN((epn)) | (sz) | TLB_VALID ) ) +#define TLB1(rpn,erpn)	( ((rpn)&0xfffffc00) | (erpn) ) +#define TLB2(a)		( (a)&0x00000fbf ) + +#define tlbtab_start\ +	mflr    r1  ;\ +	bl 0f	    ; + +#define tlbtab_end\ +	.long 0, 0, 0	;   \ +0:	mflr    r0	;   \ +	mtlr    r1	;   \ +	blr		; + +#define tlbentry(epn,sz,rpn,erpn,attr)\ +	.long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr) + + +/************************************************************************** + * TLB TABLE + * + * This table is used by the cpu boot code to setup the initial tlb + * entries. Rather than make broad assumptions in the cpu source tree, + * this table lets each board set things up however they like. + * + *  Pointer to the table is returned in r1 + * + *************************************************************************/ +    .section .bootpg,"ax" +    .globl tlbtab + +tlbtab: +	tlbtab_start + +	/* +	 * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the +	 * speed up boot process. It is patched after relocation to enable SA_I +	*/ +#ifndef CONFIG_NAND_SPL +	tlbentry( CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 1, AC_R|AC_W|AC_X|SA_G ) +#else +	tlbentry( CFG_NAND_BOOT_SPL_SRC, SZ_4K, CFG_NAND_BOOT_SPL_SRC, 1, AC_R|AC_W|AC_X|SA_G ) +#endif + +	/* TLB-entry for DDR SDRAM (Up to 2GB) */ +	tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) + +#ifdef CFG_INIT_RAM_DCACHE +	/* TLB-entry for init-ram in dcache (SA_I must be turned off!) */ +	tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G ) +#endif + +	/* TLB-entry for PCI Memory */ +	tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 1, AC_R|AC_W|SA_G|SA_I ) +	tlbentry( CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 1, AC_R|AC_W|SA_G|SA_I ) +	tlbentry( CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 1, AC_R|AC_W|SA_G|SA_I ) +	tlbentry( CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 1, AC_R|AC_W|SA_G|SA_I ) + +	/* TLB-entry for EBC */ +	tlbentry( CFG_BCSR_BASE, SZ_1K, CFG_BCSR_BASE, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) + +	/* TLB-entry for NAND */ +	tlbentry( CFG_NAND_ADDR, SZ_1K, CFG_NAND_ADDR, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) + +	/* TLB-entry for Internal Registers & OCM */ +	tlbentry( 0xe0000000, SZ_16M, 0xe0000000, 0,  AC_R|AC_W|AC_X|SA_I ) + +	/*TLB-entry PCI registers*/ +	tlbentry( 0xEEC00000, SZ_1K, 0xEEC00000, 1,  AC_R|AC_W|AC_X|SA_G|SA_I ) + +	/* TLB-entry for peripherals */ +	tlbentry( 0xEF000000, SZ_16M, 0xEF000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) + +	tlbtab_end + +#if defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL) +	/* +	 * For NAND booting the first TLB has to be reconfigured to full size +	 * and with caching disabled after running from RAM! +	 */ +#define TLB00	TLB0(CFG_BOOT_BASE_ADDR, SZ_256M) +#define TLB01	TLB1(CFG_BOOT_BASE_ADDR, 1) +#define TLB02	TLB2(AC_R|AC_W|AC_X|SA_G|SA_I) + +	.globl	reconfig_tlb0 +reconfig_tlb0: +	sync +	isync +	addi	r4,r0,0x0000		/* TLB entry #0 */ +	lis	r5,TLB00@h +	ori	r5,r5,TLB00@l +	tlbwe	r5,r4,0x0000		/* Save it out */ +	lis	r5,TLB01@h +	ori	r5,r5,TLB01@l +	tlbwe	r5,r4,0x0001		/* Save it out */ +	lis	r5,TLB02@h +	ori	r5,r5,TLB02@l +	tlbwe	r5,r4,0x0002		/* Save it out */ +	sync +	isync +	blr +#endif diff --git a/board/amcc/sequoia/sdram.c b/board/amcc/sequoia/sdram.c new file mode 100644 index 000000000..a62648bb5 --- /dev/null +++ b/board/amcc/sequoia/sdram.c @@ -0,0 +1,83 @@ +/* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * 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/processor.h> +#include <ppc440.h> + +/************************************************************************* + * + * initdram -- 440EPx's DDR controller is a DENALI Core + * + ************************************************************************/ +long int initdram (int board_type) +{ +#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) +	volatile ulong val; + +	mtsdram(DDR0_02, 0x00000000); + +	/* +	 * Soft-reset SDRAM controller +	 */ +	mtsdr(sdr_srst, SDR0_SRST0_DMC); +	mtsdr(sdr_srst, 0x00000000); + +	mtsdram(DDR0_00, 0x0000190A); +	mtsdram(DDR0_01, 0x01000000); +	mtsdram(DDR0_03, 0x02030602); +	mtsdram(DDR0_04, 0x13030300); +	mtsdram(DDR0_05, 0x0202050E); +	mtsdram(DDR0_06, 0x0104C823); +	mtsdram(DDR0_07, 0x000D0100); +	mtsdram(DDR0_08, 0x02360001); +	mtsdram(DDR0_09, 0x00011D5F); +	mtsdram(DDR0_10, 0x00000300); +	mtsdram(DDR0_11, 0x0027C800); +	mtsdram(DDR0_12, 0x00000003); +	mtsdram(DDR0_14, 0x00000000); +	mtsdram(DDR0_17, 0x19000000); +	mtsdram(DDR0_18, 0x19191919); +	mtsdram(DDR0_19, 0x19191919); +	mtsdram(DDR0_20, 0x0B0B0B0B); +	mtsdram(DDR0_21, 0x0B0B0B0B); +	mtsdram(DDR0_22, 0x00267F0B); +	mtsdram(DDR0_23, 0x00000000); +	mtsdram(DDR0_24, 0x01010002); +	mtsdram(DDR0_26, 0x5B260181); +	mtsdram(DDR0_27, 0x0000682B); +	mtsdram(DDR0_28, 0x00000000); +	mtsdram(DDR0_31, 0x00000000); +	mtsdram(DDR0_42, 0x01000006); +	mtsdram(DDR0_43, 0x050A0200); +	mtsdram(DDR0_44, 0x00000005); +	mtsdram(DDR0_02, 0x00000001); + +	/* +	 * Wait for DCC master delay line to finish calibration +	 */ +	mfsdram(DDR0_17, val); +	while (((val >> 8) & 0x000007f) == 0) { +		mfsdram(DDR0_17, val); +	} +#endif /* #ifndef CONFIG_NAND_U_BOOT */ + +	return (CFG_MBYTES_SDRAM << 20); +} diff --git a/board/amcc/sequoia/sequoia.c b/board/amcc/sequoia/sequoia.c new file mode 100644 index 000000000..95734b9c5 --- /dev/null +++ b/board/amcc/sequoia/sequoia.c @@ -0,0 +1,552 @@ +/* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * (C) Copyright 2006 + * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com + * Alain Saurel,            AMCC/IBM, alain.saurel@fr.ibm.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 <asm/processor.h> +#include <ppc440.h> +#include "sequoia.h" + +DECLARE_GLOBAL_DATA_PTR; + +extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips	*/ + +int board_early_init_f(void) +{ +	unsigned long sdr0_cust0; +	unsigned long sdr0_pfc1, sdr0_pfc2; +	register uint reg; + +	mtdcr(ebccfga, xbcfg); +	mtdcr(ebccfgd, 0xb8400000); + +	/*-------------------------------------------------------------------- +	 * Setup the GPIO pins +	 *-------------------------------------------------------------------*/ +	/* test-only: take GPIO init from pcs440ep ???? in config file */ +	out32(GPIO0_OR, 0x00000000); +	out32(GPIO0_TCR, 0x0000000f); +	out32(GPIO0_OSRL, 0x50015400); +	out32(GPIO0_OSRH, 0x550050aa); +	out32(GPIO0_TSRL, 0x50015400); +	out32(GPIO0_TSRH, 0x55005000); +	out32(GPIO0_ISR1L, 0x50000000); +	out32(GPIO0_ISR1H, 0x00000000); +	out32(GPIO0_ISR2L, 0x00000000); +	out32(GPIO0_ISR2H, 0x00000100); +	out32(GPIO0_ISR3L, 0x00000000); +	out32(GPIO0_ISR3H, 0x00000000); + +	out32(GPIO1_OR, 0x00000000); +	out32(GPIO1_TCR, 0xc2000000); +	out32(GPIO1_OSRL, 0x5c280000); +	out32(GPIO1_OSRH, 0x00000000); +	out32(GPIO1_TSRL, 0x0c000000); +	out32(GPIO1_TSRH, 0x00000000); +	out32(GPIO1_ISR1L, 0x00005550); +	out32(GPIO1_ISR1H, 0x00000000); +	out32(GPIO1_ISR2L, 0x00050000); +	out32(GPIO1_ISR2H, 0x00000000); +	out32(GPIO1_ISR3L, 0x01400000); +	out32(GPIO1_ISR3H, 0x00000000); + +	/*-------------------------------------------------------------------- +	 * Setup the interrupt controller polarities, triggers, etc. +	 *-------------------------------------------------------------------*/ +	mtdcr(uic0sr, 0xffffffff);	/* clear all */ +	mtdcr(uic0er, 0x00000000);	/* disable all */ +	mtdcr(uic0cr, 0x00000005);	/* ATI & UIC1 crit are critical */ +	mtdcr(uic0pr, 0xfffff7ff);	/* per ref-board manual */ +	mtdcr(uic0tr, 0x00000000);	/* per ref-board manual */ +	mtdcr(uic0vr, 0x00000000);	/* int31 highest, base=0x000 */ +	mtdcr(uic0sr, 0xffffffff);	/* clear all */ + +	mtdcr(uic1sr, 0xffffffff);	/* clear all */ +	mtdcr(uic1er, 0x00000000);	/* disable all */ +	mtdcr(uic1cr, 0x00000000);	/* all non-critical */ +	mtdcr(uic1pr, 0xffffffff);	/* per ref-board manual */ +	mtdcr(uic1tr, 0x00000000);	/* per ref-board manual */ +	mtdcr(uic1vr, 0x00000000);	/* int31 highest, base=0x000 */ +	mtdcr(uic1sr, 0xffffffff);	/* clear all */ + +	mtdcr(uic2sr, 0xffffffff);	/* clear all */ +	mtdcr(uic2er, 0x00000000);	/* disable all */ +	mtdcr(uic2cr, 0x00000000);	/* all non-critical */ +	mtdcr(uic2pr, 0xffffffff);	/* per ref-board manual */ +	mtdcr(uic2tr, 0x00000000);	/* per ref-board manual */ +	mtdcr(uic2vr, 0x00000000);	/* int31 highest, base=0x000 */ +	mtdcr(uic2sr, 0xffffffff);	/* clear all */ + +	/* 50MHz tmrclk */ +	*(unsigned char *)(CFG_BCSR_BASE | 0x04) = 0x00; + +	/* clear write protects */ +	*(unsigned char *)(CFG_BCSR_BASE | 0x07) = 0x00; + +	/* enable Ethernet */ +	*(unsigned char *)(CFG_BCSR_BASE | 0x08) = 0x00; + +	/* enable USB device */ +	*(unsigned char *)(CFG_BCSR_BASE | 0x09) = 0x20; + +	/* select Ethernet pins */ +	mfsdr(SDR0_PFC1, sdr0_pfc1); +	sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) | SDR0_PFC1_SELECT_CONFIG_4; +	mfsdr(SDR0_PFC2, sdr0_pfc2); +	sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) | SDR0_PFC2_SELECT_CONFIG_4; +	mtsdr(SDR0_PFC2, sdr0_pfc2); +	mtsdr(SDR0_PFC1, sdr0_pfc1); + +	/* PCI arbiter enabled */ +	mfsdr(sdr_pci0, reg); +	mtsdr(sdr_pci0, 0x80000000 | reg); + +	/* setup NAND FLASH */ +	mfsdr(SDR0_CUST0, sdr0_cust0); +        sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL	| +		SDR0_CUST0_NDFC_ENABLE		| +		SDR0_CUST0_NDFC_BW_8_BIT	| +		SDR0_CUST0_NDFC_ARE_MASK	| +		(0x80000000 >> (28 + CFG_NAND_CS)); +        mtsdr(SDR0_CUST0, sdr0_cust0); + +	return 0; +} + +/*---------------------------------------------------------------------------+ +  | misc_init_r. +  +---------------------------------------------------------------------------*/ +int misc_init_r(void) +{ +	uint pbcr; +	int size_val = 0; +	unsigned long usb2d0cr = 0; +	unsigned long usb2phy0cr, usb2h0cr = 0; +	unsigned long sdr0_pfc1; +	char *act = getenv("usbact"); + +	/* +	 * FLASH stuff... +	 */ + +	/* Re-do sizing to get full correct info */ +#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) +	mtdcr(ebccfga, pb3cr); +#else +	mtdcr(ebccfga, pb0cr); +#endif +	pbcr = mfdcr(ebccfgd); +	switch (gd->bd->bi_flashsize) { +	case 1 << 20: +		size_val = 0; +		break; +	case 2 << 20: +		size_val = 1; +		break; +	case 4 << 20: +		size_val = 2; +		break; +	case 8 << 20: +		size_val = 3; +		break; +	case 16 << 20: +		size_val = 4; +		break; +	case 32 << 20: +		size_val = 5; +		break; +	case 64 << 20: +		size_val = 6; +		break; +	case 128 << 20: +		size_val = 7; +		break; +	} +	pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17); +#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) +	mtdcr(ebccfga, pb3cr); +#else +	mtdcr(ebccfga, pb0cr); +#endif +	mtdcr(ebccfgd, pbcr); + +	/* adjust flash start and offset */ +	gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; +	gd->bd->bi_flashoffset = 0; + +#ifdef CFG_ENV_IS_IN_FLASH +	/* Monitor protection ON by default */ +	(void)flash_protect(FLAG_PROTECT_SET, +			    -CFG_MONITOR_LEN, +			    0xffffffff, +			    &flash_info[0]); + +	/* Env protection ON by default */ +	(void)flash_protect(FLAG_PROTECT_SET, +			    CFG_ENV_ADDR_REDUND, +			    CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1, +			    &flash_info[0]); +#endif + +	/* +	 * USB suff... +	 */ +	if (act == NULL || strcmp(act, "hostdev") == 0)	{ +		/* SDR Setting */ +        	mfsdr(SDR0_PFC1, sdr0_pfc1); +        	mfsdr(SDR0_USB0, usb2d0cr); +        	mfsdr(SDR0_USB2PHY0CR, usb2phy0cr); +        	mfsdr(SDR0_USB2H0CR, usb2h0cr); + +		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK; +		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;	/*0*/ +        	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK; +        	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;	/*1*/ +		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK; +        	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;		/*0*/ +		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK; +        	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;		/*1*/ +		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK; +        	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;		/*1*/ + +		/* An 8-bit/60MHz interface is the only possible alternative +		   when connecting the Device to the PHY */ +        	usb2h0cr   = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK; +        	usb2h0cr   = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ;	/*1*/ + +        	/* To enable the USB 2.0 Device function through the UTMI interface */ +        	usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK; +        	usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION;		/*1*/ + +        	sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK; +        	sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL;		/*0*/ + +        	mtsdr(SDR0_PFC1, sdr0_pfc1); +        	mtsdr(SDR0_USB0, usb2d0cr); +        	mtsdr(SDR0_USB2PHY0CR, usb2phy0cr); +        	mtsdr(SDR0_USB2H0CR, usb2h0cr); + +		/*clear resets*/ +		udelay (1000); +		mtsdr(SDR0_SRST1, 0x00000000); +		udelay (1000); +		mtsdr(SDR0_SRST0, 0x00000000); + +		printf("USB:   Host(int phy) Device(ext phy)\n"); + +	} else if (strcmp(act, "dev") == 0) { +		/*-------------------PATCH-------------------------------*/ +		mfsdr(SDR0_USB2PHY0CR, usb2phy0cr); + +		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK; +		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;	/*0*/ +		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK; +        	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;		/*0*/ +		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK; +        	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;		/*1*/ +		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK; +        	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;		/*1*/ +		mtsdr(SDR0_USB2PHY0CR, usb2phy0cr); + +		udelay (1000); +		mtsdr(SDR0_SRST1, 0x672c6000); + +		udelay (1000); +		mtsdr(SDR0_SRST0, 0x00000080); + +		udelay (1000); +		mtsdr(SDR0_SRST1, 0x60206000); + +		*(unsigned int *)(0xe0000350) = 0x00000001; + +		udelay (1000); +		mtsdr(SDR0_SRST1, 0x60306000); +		/*-------------------PATCH-------------------------------*/ + +		/* SDR Setting */ +        	mfsdr(SDR0_USB2PHY0CR, usb2phy0cr); +		mfsdr(SDR0_USB2H0CR, usb2h0cr); +		mfsdr(SDR0_USB0, usb2d0cr); +		mfsdr(SDR0_PFC1, sdr0_pfc1); + +		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK; +		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;	/*0*/ +        	usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK; +		usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ;	/*0*/ +		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK; +        	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN;		/*1*/ +		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK; +        	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV;		/*0*/ +		usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK; +        	usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV;		/*0*/ + +		usb2h0cr   = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK; +        	usb2h0cr   = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ;		/*0*/ + +		usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK; +        	usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION;		/*0*/ + +		sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK; +        	sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL;		/*1*/ + +        	mtsdr(SDR0_USB2H0CR, usb2h0cr); +        	mtsdr(SDR0_USB2PHY0CR, usb2phy0cr); +		mtsdr(SDR0_USB0, usb2d0cr); +		mtsdr(SDR0_PFC1, sdr0_pfc1); + +		/*clear resets*/ +		udelay (1000); +		mtsdr(SDR0_SRST1, 0x00000000); +		udelay (1000); +		mtsdr(SDR0_SRST0, 0x00000000); + +		printf("USB:   Device(int phy)\n"); +	} + +	return 0; +} + +int checkboard(void) +{ +	char *s = getenv("serial#"); + +	printf("Board: Sequoia - AMCC PPC440EPx Evaluation Board"); +	if (s != NULL) { +		puts(", serial# "); +		puts(s); +	} +	putc('\n'); + +	return (0); +} + +#if defined(CFG_DRAM_TEST) +int testdram(void) +{ +	unsigned long *mem = (unsigned long *)0; +	const unsigned long kend = (1024 / sizeof(unsigned long)); +	unsigned long k, n; + +	mtmsr(0); + +	for (k = 0; k < CFG_MBYTES_SDRAM; +	     ++k, mem += (1024 / sizeof(unsigned long))) { +		if ((k & 1023) == 0) { +			printf("%3d MB\r", k / 1024); +		} + +		memset(mem, 0xaaaaaaaa, 1024); +		for (n = 0; n < kend; ++n) { +			if (mem[n] != 0xaaaaaaaa) { +				printf("SDRAM test fails at: %08x\n", +				       (uint) & mem[n]); +				return 1; +			} +		} + +		memset(mem, 0x55555555, 1024); +		for (n = 0; n < kend; ++n) { +			if (mem[n] != 0x55555555) { +				printf("SDRAM test fails at: %08x\n", +				       (uint) & mem[n]); +				return 1; +			} +		} +	} +	printf("SDRAM test passes\n"); +	return 0; +} +#endif + +/************************************************************************* + *  pci_pre_init + * + *  This routine is called just prior to registering the hose and gives + *  the board the opportunity to check things. Returning a value of zero + *  indicates that things are bad & PCI initialization should be aborted. + * + *	Different boards may wish to customize the pci controller structure + *	(add regions, override default access routines, etc) or perform + *	certain pre-initialization actions. + * + ************************************************************************/ +#if defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) +int pci_pre_init(struct pci_controller *hose) +{ +	unsigned long addr; +#if 0 +	/*--------------------------------------------------------------------------+ +	 *	Cactus is always configured as the host & requires the +	 *	PCI arbiter to be enabled ??? +	 *--------------------------------------------------------------------------*/ +	unsigned long strap; +	mfsdr(sdr_sdstp1, strap); +	if ((strap & SDR0_SDSTP1_PAE_MASK) == 0) { +		printf("PCI: SDR0_STRP1[PAE] not set.\n"); +		printf("PCI: Configuration aborted.\n"); +		return 0; +	} +#endif + +	/*-------------------------------------------------------------------------+ +	  | Set priority for all PLB3 devices to 0. +	  | Set PLB3 arbiter to fair mode. +	  +-------------------------------------------------------------------------*/ +	mfsdr(sdr_amp1, addr); +	mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00); +	addr = mfdcr(plb3_acr); +	mtdcr(plb3_acr, addr | 0x80000000); + +	/*-------------------------------------------------------------------------+ +	  | Set priority for all PLB4 devices to 0. +	  +-------------------------------------------------------------------------*/ +	mfsdr(sdr_amp0, addr); +	mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00); +	addr = mfdcr(plb4_acr) | 0xa0000000;	/* Was 0x8---- */ +	mtdcr(plb4_acr, addr); + +	/*-------------------------------------------------------------------------+ +	  | Set Nebula PLB4 arbiter to fair mode. +	  +-------------------------------------------------------------------------*/ +	/* Segment0 */ +	addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair; +	addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled; +	addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep; +	addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep; +	mtdcr(plb0_acr, addr); + +	/* Segment1 */ +	addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair; +	addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled; +	addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep; +	addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep; +	mtdcr(plb1_acr, addr); + +	return 1; +} +#endif				/* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */ + +/************************************************************************* + *  pci_target_init + * + *	The bootstrap configuration provides default settings for the pci + *	inbound map (PIM). But the bootstrap config choices are limited and + *	may not be sufficient for a given board. + * + ************************************************************************/ +#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) +void pci_target_init(struct pci_controller *hose) +{ +	/*--------------------------------------------------------------------------+ +	 * Set up Direct MMIO registers +	 *--------------------------------------------------------------------------*/ +	/*--------------------------------------------------------------------------+ +	  | PowerPC440EPX PCI Master configuration. +	  | Map one 1Gig range of PLB/processor addresses to PCI memory space. +	  |   PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF +	  |   Use byte reversed out routines to handle endianess. +	  | Make this region non-prefetchable. +	  +--------------------------------------------------------------------------*/ +	out32r(PCIX0_PMM0MA, 0x00000000);	/* PMM0 Mask/Attribute - disabled b4 setting */ +	out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE);	/* PMM0 Local Address */ +	out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE);	/* PMM0 PCI Low Address */ +	out32r(PCIX0_PMM0PCIHA, 0x00000000);	/* PMM0 PCI High Address */ +	out32r(PCIX0_PMM0MA, 0xE0000001);	/* 512M + No prefetching, and enable region */ + +	out32r(PCIX0_PMM1MA, 0x00000000);	/* PMM0 Mask/Attribute - disabled b4 setting */ +	out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */ +	out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2);	/* PMM0 PCI Low Address */ +	out32r(PCIX0_PMM1PCIHA, 0x00000000);	/* PMM0 PCI High Address */ +	out32r(PCIX0_PMM1MA, 0xE0000001);	/* 512M + No prefetching, and enable region */ + +	out32r(PCIX0_PTM1MS, 0x00000001);	/* Memory Size/Attribute */ +	out32r(PCIX0_PTM1LA, 0);	/* Local Addr. Reg */ +	out32r(PCIX0_PTM2MS, 0);	/* Memory Size/Attribute */ +	out32r(PCIX0_PTM2LA, 0);	/* Local Addr. Reg */ + +	/*--------------------------------------------------------------------------+ +	 * Set up Configuration registers +	 *--------------------------------------------------------------------------*/ + +	/* Program the board's subsystem id/vendor id */ +	pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID, +			      CFG_PCI_SUBSYS_VENDORID); +	pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_ID); + +	/* Configure command register as bus master */ +	pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER); + +	/* 240nS PCI clock */ +	pci_write_config_word(0, PCI_LATENCY_TIMER, 1); + +	/* No error reporting */ +	pci_write_config_word(0, PCI_ERREN, 0); + +	pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101); + +} +#endif				/* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */ + +/************************************************************************* + *  pci_master_init + * + ************************************************************************/ +#if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) +void pci_master_init(struct pci_controller *hose) +{ +	unsigned short temp_short; + +	/*--------------------------------------------------------------------------+ +	  | Write the PowerPC440 EP PCI Configuration regs. +	  |   Enable PowerPC440 EP to be a master on the PCI bus (PMM). +	  |   Enable PowerPC440 EP to act as a PCI memory target (PTM). +	  +--------------------------------------------------------------------------*/ +	pci_read_config_word(0, PCI_COMMAND, &temp_short); +	pci_write_config_word(0, PCI_COMMAND, +			      temp_short | PCI_COMMAND_MASTER | +			      PCI_COMMAND_MEMORY); +} +#endif				/* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */ + +/************************************************************************* + *  is_pci_host + * + *	This routine is called to determine if a pci scan should be + *	performed. With various hardware environments (especially cPCI and + *	PPMC) it's insufficient to depend on the state of the arbiter enable + *	bit in the strap register, or generic host/adapter assumptions. + * + *	Rather than hard-code a bad assumption in the general 440 code, the + *	440 pci code requires the board to decide at runtime. + * + *	Return 0 for adapter mode, non-zero for host (monarch) mode. + * + * + ************************************************************************/ +#if defined(CONFIG_PCI) +int is_pci_host(struct pci_controller *hose) +{ +	/* Cactus is always configured as host. */ +	return (1); +} +#endif				/* defined(CONFIG_PCI) */ diff --git a/board/amcc/sequoia/sequoia.h b/board/amcc/sequoia/sequoia.h new file mode 100644 index 000000000..1d44b1646 --- /dev/null +++ b/board/amcc/sequoia/sequoia.h @@ -0,0 +1,67 @@ +/* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * (C) Copyright 2006 + * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com + * Alain Saurel,            AMCC/IBM, alain.saurel@fr.ibm.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 + */ + + +/*----------------------------------------------------------------------------+ +  | EBC Configuration Register - EBC0_CFG +  +----------------------------------------------------------------------------*/ +/* External Bus Three-State Control */ +#define EBC0_CFG_EBTC_DRIVEN	    0x80000000 +/* Device-Paced Time-out Disable */ +#define EBC0_CFG_PTD_ENABLED	    0x00000000 +/* Ready Timeout Count */ +#define EBC0_CFG_RTC_MASK	    0x38000000 +#define EBC0_CFG_RTC_16PERCLK	    0x00000000 +#define EBC0_CFG_RTC_32PERCLK	    0x08000000 +#define EBC0_CFG_RTC_64PERCLK	    0x10000000 +#define EBC0_CFG_RTC_128PERCLK	    0x18000000 +#define EBC0_CFG_RTC_256PERCLK	    0x20000000 +#define EBC0_CFG_RTC_512PERCLK	    0x28000000 +#define EBC0_CFG_RTC_1024PERCLK	    0x30000000 +#define EBC0_CFG_RTC_2048PERCLK	    0x38000000 +/* External Master Priority Low */ +#define EBC0_CFG_EMPL_LOW	    0x00000000 +#define EBC0_CFG_EMPL_MEDIUM_LOW    0x02000000 +#define EBC0_CFG_EMPL_MEDIUM_HIGH   0x04000000 +#define EBC0_CFG_EMPL_HIGH	    0x06000000 +/* External Master Priority High */ +#define EBC0_CFG_EMPH_LOW	    0x00000000 +#define EBC0_CFG_EMPH_MEDIUM_LOW    0x00800000 +#define EBC0_CFG_EMPH_MEDIUM_HIGH   0x01000000 +#define EBC0_CFG_EMPH_HIGH	    0x01800000 +/* Chip Select Three-State Control */ +#define EBC0_CFG_CSTC_DRIVEN	    0x00400000 +/* Burst Prefetch */ +#define EBC0_CFG_BPF_ONEDW	    0x00000000 +#define EBC0_CFG_BPF_TWODW	    0x00100000 +#define EBC0_CFG_BPF_FOURDW	    0x00200000 +/* External Master Size */ +#define EBC0_CFG_EMS_8BIT	    0x00000000 +/* Power Management Enable */ +#define EBC0_CFG_PME_DISABLED	    0x00000000 +#define EBC0_CFG_PME_ENABLED	    0x00020000 +/* Power Management Timer */ +#define EBC0_CFG_PMT_ENCODE(n)		((((unsigned long)(n))&0x1F)<<12) + +#define SDR0_USB0                    0x0320     /* USB Control Register */ diff --git a/board/amcc/sequoia/u-boot-nand.lds b/board/amcc/sequoia/u-boot-nand.lds new file mode 100644 index 000000000..c3d3d968f --- /dev/null +++ b/board/amcc/sequoia/u-boot-nand.lds @@ -0,0 +1,131 @@ +/* + * (C) Copyright 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * 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_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +SECTIONS +{ +  /* Read-only sections, merged into text segment: */ +  . = + SIZEOF_HEADERS; +  .interp : { *(.interp) } +  .hash          : { *(.hash)		} +  .dynsym        : { *(.dynsym)		} +  .dynstr        : { *(.dynstr)		} +  .rel.text      : { *(.rel.text)		} +  .rela.text     : { *(.rela.text) 	} +  .rel.data      : { *(.rel.data)		} +  .rela.data     : { *(.rela.data) 	} +  .rel.rodata    : { *(.rel.rodata) 	} +  .rela.rodata   : { *(.rela.rodata) 	} +  .rel.got       : { *(.rel.got)		} +  .rela.got      : { *(.rela.got)		} +  .rel.ctors     : { *(.rel.ctors)	} +  .rela.ctors    : { *(.rela.ctors)	} +  .rel.dtors     : { *(.rel.dtors)	} +  .rela.dtors    : { *(.rela.dtors)	} +  .rel.bss       : { *(.rel.bss)		} +  .rela.bss      : { *(.rela.bss)		} +  .rel.plt       : { *(.rel.plt)		} +  .rela.plt      : { *(.rela.plt)		} +  .init          : { *(.init)	} +  .plt : { *(.plt) } +  .text      : +  { +    /* WARNING - the following is hand-optimized to fit within	*/ +    /* the sector layout of our flash chips!	XXX FIXME XXX	*/ + +    cpu/ppc4xx/start.o	(.text) + +    *(.text) +    *(.fixup) +    *(.got1) +  } +  _etext = .; +  PROVIDE (etext = .); +  .rodata    : +  { +    *(.rodata) +    *(.rodata1) +    *(.rodata.str1.4) +  } +  .fini      : { *(.fini)    } =0 +  .ctors     : { *(.ctors)   } +  .dtors     : { *(.dtors)   } + +  /* Read-write section, merged into data segment: */ +  . = (. + 0x00FF) & 0xFFFFFF00; +  _erotext = .; +  PROVIDE (erotext = .); +  .reloc   : +  { +    *(.got) +    _GOT2_TABLE_ = .; +    *(.got2) +    _FIXUP_TABLE_ = .; +    *(.fixup) +  } +  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; +  __fixup_entries = (. - _FIXUP_TABLE_)>>2; + +  .data    : +  { +    *(.data) +    *(.data1) +    *(.sdata) +    *(.sdata2) +    *(.dynamic) +    CONSTRUCTORS +  } +  _edata  =  .; +  PROVIDE (edata = .); + +  . = .; +  __u_boot_cmd_start = .; +  .u_boot_cmd : { *(.u_boot_cmd) } +  __u_boot_cmd_end = .; + + +  . = .; +  __start___ex_table = .; +  __ex_table : { *(__ex_table) } +  __stop___ex_table = .; + +  . = ALIGN(256); +  __init_begin = .; +  .text.init : { *(.text.init) } +  .data.init : { *(.data.init) } +  . = ALIGN(256); +  __init_end = .; + +  __bss_start = .; +  .bss       : +  { +   *(.sbss) *(.scommon) +   *(.dynbss) +   *(.bss) +   *(COMMON) +  } + +  _end = . ; +  PROVIDE (end = .); +} diff --git a/board/amcc/sequoia/u-boot.lds b/board/amcc/sequoia/u-boot.lds new file mode 100644 index 000000000..a423f9828 --- /dev/null +++ b/board/amcc/sequoia/u-boot.lds @@ -0,0 +1,145 @@ +/* + * (C) Copyright 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * 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_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? +   __DYNAMIC = 0;    */ +SECTIONS +{ +  .resetvec 0xFFFFFFFC : +  { +    *(.resetvec) +  } = 0xffff + +  .bootpg 0xFFFFF000 : +  { +    cpu/ppc4xx/start.o	(.bootpg) +  } = 0xffff + +  /* Read-only sections, merged into text segment: */ +  . = + SIZEOF_HEADERS; +  .interp : { *(.interp) } +  .hash          : { *(.hash)		} +  .dynsym        : { *(.dynsym)		} +  .dynstr        : { *(.dynstr)		} +  .rel.text      : { *(.rel.text)		} +  .rela.text     : { *(.rela.text) 	} +  .rel.data      : { *(.rel.data)		} +  .rela.data     : { *(.rela.data) 	} +  .rel.rodata    : { *(.rel.rodata) 	} +  .rela.rodata   : { *(.rela.rodata) 	} +  .rel.got       : { *(.rel.got)		} +  .rela.got      : { *(.rela.got)		} +  .rel.ctors     : { *(.rel.ctors)	} +  .rela.ctors    : { *(.rela.ctors)	} +  .rel.dtors     : { *(.rel.dtors)	} +  .rela.dtors    : { *(.rela.dtors)	} +  .rel.bss       : { *(.rel.bss)		} +  .rela.bss      : { *(.rela.bss)		} +  .rel.plt       : { *(.rel.plt)		} +  .rela.plt      : { *(.rela.plt)		} +  .init          : { *(.init)	} +  .plt : { *(.plt) } +  .text      : +  { +    /* WARNING - the following is hand-optimized to fit within	*/ +    /* the sector layout of our flash chips!	XXX FIXME XXX	*/ + +    cpu/ppc4xx/start.o	(.text) + +    *(.text) +    *(.fixup) +    *(.got1) +  } +  _etext = .; +  PROVIDE (etext = .); +  .rodata    : +  { +    *(.rodata) +    *(.rodata1) +    *(.rodata.str1.4) +  } +  .fini      : { *(.fini)    } =0 +  .ctors     : { *(.ctors)   } +  .dtors     : { *(.dtors)   } + +  /* Read-write section, merged into data segment: */ +  . = (. + 0x00FF) & 0xFFFFFF00; +  _erotext = .; +  PROVIDE (erotext = .); +  .reloc   : +  { +    *(.got) +    _GOT2_TABLE_ = .; +    *(.got2) +    _FIXUP_TABLE_ = .; +    *(.fixup) +  } +  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; +  __fixup_entries = (. - _FIXUP_TABLE_)>>2; + +  .data    : +  { +    *(.data) +    *(.data1) +    *(.sdata) +    *(.sdata2) +    *(.dynamic) +    CONSTRUCTORS +  } +  _edata  =  .; +  PROVIDE (edata = .); + +  . = .; +  __u_boot_cmd_start = .; +  .u_boot_cmd : { *(.u_boot_cmd) } +  __u_boot_cmd_end = .; + + +  . = .; +  __start___ex_table = .; +  __ex_table : { *(__ex_table) } +  __stop___ex_table = .; + +  . = ALIGN(256); +  __init_begin = .; +  .text.init : { *(.text.init) } +  .data.init : { *(.data.init) } +  . = ALIGN(256); +  __init_end = .; + +  __bss_start = .; +  .bss       : +  { +   *(.sbss) *(.scommon) +   *(.dynbss) +   *(.bss) +   *(COMMON) +  } + +  ppcenv_assert = ASSERT(. < 0xFFFF8000, ".bss section too big, overlaps .ppcenv section. Please update your confguration: CFG_MONITOR_BASE, CFG_MONITOR_LEN and TEXT_BASE may need to be modified."); + +  _end = . ; +  PROVIDE (end = .); +} |