[U-Boot-Users] [PATCH] ARM: Add support for Lyrtech SFF-SDR board (ARM926EJS)

[Jean-Christophe PLAGNIOL-VILLARD]

> @@ -0,0 +1,52 @@
> +#
> +# (C) Copyright 2000, 2001, 2002
> +# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
> +#
> +# Copyright (C) 2007 Sergey Kubushyn <ksi at koi8.net>
> +#
> +# 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
> +
> +LIB	= $(obj)lib$(BOARD).a
> +
> +COBJS	:= dv_board.o
please use $(BOARD).o
> +SOBJS	:= board_init.o
> +
> +SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
> +OBJS	:= $(addprefix $(obj),$(COBJS))
> +SOBJS	:= $(addprefix $(obj),$(SOBJS))
> +
> +$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
> +	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
> +
> +clean:
> +	rm -f $(SOBJS) $(OBJS)
> +
> +distclean:	clean
> +	rm -f $(LIB) core *.bak *~ .depend
> +
> +#########################################################################
> + * ----------------------------------------------------------------------------
> + */
> +
> +#include <common.h>
> +#include <i2c.h>
> +#include <asm/arch/hardware.h>
> +#include <asm/arch/emac_defs.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +extern void	timer_init(void);
> +extern int	eth_hw_init(void);
> +extern phy_t	phy;
> +
> +
> +/* Works on Always On power domain only (no PD argument) */
> +void lpsc_on(unsigned int id)
> +{
> +	dv_reg_p	mdstat, mdctl;
                 ^^^^^^^
		 please use space instead of tab
> +
> +	if (id >= DAVINCI_LPSC_GEM)
> +		return;			/* Don't work on DSP Power Domain */
> +
> +	mdstat = REG_P(PSC_MDSTAT_BASE + (id * 4));
> +	mdctl = REG_P(PSC_MDCTL_BASE + (id * 4));
> +
> +	while (REG(PSC_PTSTAT) & 0x01);
> +
> +	if ((*mdstat & 0x1f) == 0x03)
> +		return;			/* Already on and enabled */
> +
> +	*mdctl |= 0x03;
> +
> +	/* Special treatment for some modules as for sprue14 p.7.4.2 */
> +	if ((id == DAVINCI_LPSC_VPSSSLV) ||
> +	    (id == DAVINCI_LPSC_EMAC) ||
> +	    (id == DAVINCI_LPSC_EMAC_WRAPPER) ||
> +	    (id == DAVINCI_LPSC_MDIO) ||
> +	    (id == DAVINCI_LPSC_USB) ||
> +	    (id == DAVINCI_LPSC_ATA) ||
> +	    (id == DAVINCI_LPSC_VLYNQ) ||
> +	    (id == DAVINCI_LPSC_UHPI) ||
> +	    (id == DAVINCI_LPSC_DDR_EMIF) ||
> +	    (id == DAVINCI_LPSC_AEMIF) ||
> +	    (id == DAVINCI_LPSC_MMC_SD) ||
> +	    (id == DAVINCI_LPSC_MEMSTICK) ||
> +	    (id == DAVINCI_LPSC_McBSP) ||
> +	    (id == DAVINCI_LPSC_GPIO))
> +		* mdctl |= 0x200;
Please use switch instead of this long if
> +
> +	REG(PSC_PTCMD) = 0x01;
> +
> +	while (REG(PSC_PTSTAT) & 0x03);
> +	while ((*mdstat & 0x1f) != 0x03);	/* Probably an overkill... */
> +}
> +
> +void dsp_on(void)
> +{
> +	int	i;
please use spacr
> +
> +	if (REG(PSC_PDSTAT1) & 0x1f)
> +		return;			/* Already on */
> +
> +	REG(PSC_GBLCTL) |= 0x01;
> +	REG(PSC_PDCTL1) |= 0x01;
> +	REG(PSC_PDCTL1) &= ~0x100;
> +	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) |= 0x03;
> +	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) &= 0xfffffeff;
> +	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) |= 0x03;
> +	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) &= 0xfffffeff;
> +	REG(PSC_PTCMD) = 0x02;
> +
> +	for (i = 0; i < 100; i++) {
> +		if (REG(PSC_EPCPR) & 0x02)
> +			break;
> +	}
> +
> +	REG(PSC_CHP_SHRTSW) = 0x01;
> +	REG(PSC_PDCTL1) |= 0x100;
> +	REG(PSC_EPCCR) = 0x02;
> +
> +	for (i = 0; i < 100; i++) {
> +		if (!(REG(PSC_PTSTAT) & 0x02))
> +			break;
> +	}
> +
> +	REG(PSC_GBLCTL) &= ~0x1f;
> +}
> +
> +
please remove empty ligne
> +int board_init(void)
> +	timer_init();
> +
> +	return(0);
> +}
> +
> +int misc_init_r(void)
> +{
> +	u_int8_t	tmp[20], buf[10];
> +	int		i = 0;
> +	int		clk = 0;
please use space
> +
> +	clk = ((REG(PLL2_PLLM) + 1) * 27) / ((REG(PLL2_DIV2) & 0x1f) + 1);
> +
> +	printf("ARM Clock: %dMHz\n", ((REG(PLL1_PLLM) + 1) * 27) / 2);
> +	printf("DDR Clock: %dMHz\n", (clk / 2));

> +/*==============================*/
> +#undef CONFIG_USE_IRQ                  /* No IRQ/FIQ in U-Boot */
> +#define CONFIG_MISC_INIT_R
> +#undef CONFIG_BOOTDELAY
> +#define CONFIG_BOOTFILE		"uImage"	/* Boot file name */
> +#define CFG_PROMPT		"U-Boot > "	/* Monitor Command Prompt */
> +#define CFG_CBSIZE		1024		/* Console I/O Buffer Size  */
> +/* Print buffer size */
> +#define CFG_PBSIZE		(CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
> +#define CFG_MAXARGS		16		/* max number of command args */
> +#define CFG_BARGSIZE		CFG_CBSIZE	/* Boot Argument Buffer Size */
> +#define CFG_LOAD_ADDR		0x80700000	/* Default Linux kernel
> +						 * load address. */
> +#define CONFIG_VERSION_VARIABLE
> +#define CONFIG_AUTO_COMPLETE		/* Won't work with hush so far,
> +					 * may be later */
> +#define CFG_HUSH_PARSER
> +#define CFG_PROMPT_HUSH_PS2	"> "
> +#define CONFIG_CMDLINE_EDITING
> +#define CFG_LONGHELP
> +#define CONFIG_CRC32_VERIFY
> +#define CONFIG_MX_CYCLIC
> +/*
> + * Define this to load an Integrity kernel.
> + *
> +#define CONFIG_CMD_ELF
> + */
If no need please remove
> +
> +/*===================*/
> +/* Linux Information */

> +#define LINUX_BOOT_PARAM_ADDR	0x80000100
> +#define CONFIG_CMDLINE_TAG
> +#define CONFIG_SETUP_MEMORY_TAGS
> +#define CONFIG_BOOTARGS							\
> +	"mem=56M console=ttyS0,115200n8 root=/dev/hda1 rw noinitrd ip=dhcp"
> +#define CONFIG_BOOTCOMMAND	"setenv setboot setenv bootargs \\$(bootargs) video=dm64xxfb:output=\\$(videostd);run setboot"
please split it too long
> +
> +/*=================*/
> +/* U-Boot commands */
> +/*=================*/
> +#include <config_cmd_default.h>
> +#define CONFIG_CMD_ASKENV
> +#define CONFIG_CMD_DHCP
> +#define CONFIG_CMD_DIAG
> +#define CONFIG_CMD_I2C
> +#define CONFIG_CMD_MII
> +#define CONFIG_CMD_PING
> +#define CONFIG_CMD_SAVES
> +#define CONFIG_CMD_NAND
> +#define CONFIG_CMD_EEPROM
> +#undef CONFIG_CMD_BDI
> +#undef CONFIG_CMD_FPGA
> +#undef CONFIG_CMD_SETGETDCR
> +#undef CONFIG_CMD_FLASH
> +#undef CONFIG_CMD_IMLS
> +/*=======================*/
> +/* KGDB support (if any) */
> +/*=======================*/
> +#ifdef CONFIG_CMD_KGDB
> +#define CONFIG_KGDB_BAUDRATE	115200	/* speed to run kgdb serial port */
> +#define CONFIG_KGDB_SER_INDEX	1	/* which serial port to use */
> +#endif
Best Regards,
J.