[coreboot] patch: dbe62

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Fri Feb 29 00:07:20 CET 2008


On 28.02.2008 23:41, ron minnich wrote:
> This is probably just about done save for dram timing.
>
> ron
>   
> This set of changes adds what is probably mostly correct support for dbe62.
>
> Signed-off-by: Ronald G. Minnich <rminnich at gmail.com>
>   

I like it. A few minor nitpicks, the rest is

Compile tested and
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>

Regards,
Carl-Daniel

> Index: mainboard/artecgroup/dbe62/Kconfig
> ===================================================================
> --- mainboard/artecgroup/dbe62/Kconfig	(revision 0)
> +++ mainboard/artecgroup/dbe62/Kconfig	(revision 0)
> @@ -0,0 +1,28 @@
> +##
> +## This file is part of the coreboot project.
> +##
> +## Copyright (C) 2007 coresystems GmbH
> +## (Written by Stefan Reinauer <stepan at coresystems.de> for coresystems GmbH)
> +## Copyright (C) 2007 Ronald G. Minnich <rminnich at gmail.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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
> +##
> +
> +config MAINBOARD_NAME
> +	string
> +	default artecgroup/dbe62
> +	depends BOARD_ARTECGROUP_DBE62
> +	help
> +	  This is the default mainboard name.
> Index: mainboard/artecgroup/dbe62/stage1.c
> ===================================================================
> --- mainboard/artecgroup/dbe62/stage1.c	(revision 0)
> +++ mainboard/artecgroup/dbe62/stage1.c	(revision 0)
> @@ -0,0 +1,69 @@
> +/*
> + * This file is part of the coreboot project.
> + *
> + * Copyright (C) 2007 Advanced Micro Devices, Inc.
>   

Add your copyright as well?

> + *
> + * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
> + */
> +
> +#include <types.h>
> +#include <lib.h>
> +#include <console.h>
> +#include <device/device.h>
> +#include <device/pci.h>
> +#include <string.h>
> +#include <msr.h>
> +#include <io.h>
> +#include <amd_geodelx.h>
> +#include <southbridge/amd/cs5536/cs5536.h>
> +#include <northbridge/amd/geodelx/raminit.h>
> +
> +static const struct wmsr {
> +	u32 reg;
> +	struct msr  msr;
> +}

Maybe split this and move the struct declaration to a header?

>  dbe62_msr[] = {
> +	{.reg = 0x10000020, {.lo = 0x00fff80, .hi = 0x20000000}},
> +	{.reg = 0x10000021, {.lo = 0x80fffe0, .hi = 0x20000000}},
> +	{.reg = 0x40000020, {.lo = 0x00fff80, .hi = 0x20000000}},
> +	{.reg = 0x40000021, {.lo = 0x80fffe0, .hi = 0x20000000}},
> +};
> +
> +static void dbe62_msr_init(void)
> +{
> +	int i;
> +	for (i = 0; i < ARRAY_SIZE(dbe62_msr); i++)
> +		wrmsr(dbe62_msr[i].reg, dbe62_msr[i].msr);
> +}
> +
> +void hardware_stage1(void)
> +{
> +	post_code(POST_START_OF_MAIN);
> +
> +	dbe62_msr_init();
> +
> +	cs5536_stage1();
> +
> +	/*
> +	 * NOTE: Must do this AFTER the early_setup! It is counting on some
> +	 * early MSR setup for the CS5536.
> +	 */
> +	cs5536_setup_onchipuart();
> +}
> +
> +void mainboard_pre_payload(void)
> +{
> +	geode_pre_payload();
> +	banner(BIOS_DEBUG, "mainboard_pre_payload: done");
> +}
> Index: mainboard/artecgroup/dbe62/irq_tables.c
> ===================================================================
> --- mainboard/artecgroup/dbe62/irq_tables.c	(revision 0)
> +++ mainboard/artecgroup/dbe62/irq_tables.c	(revision 0)
> @@ -0,0 +1,120 @@
> +/*
> +* This file is part of the coreboot project.
> +*
> +* Copyright (C) 2007 Advanced Micro Devices, Inc.
>   

Add your copyright as well?

> +*
> +* This program is free software; you can redistribute it and/or modify
> +* it under the terms of the GNU General Public License version 2 as
> +* published by the Free Software Foundation.
> +*
> +* 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
> +*/
> +
> +#include <types.h>
> +#include <lib.h>
> +#include <console.h>
> +#include <device/device.h>
> +#include <device/pci.h>
> +#include <string.h>
> +#include <msr.h>
> +#include <io.h>
> +#include <pirq_routing.h>
> +#include <amd_geodelx.h>
> +#include "../../../southbridge/amd/cs5536/cs5536.h"
> +
> +
> +
> +/* Platform IRQs */
> +#define PIRQA 10
> +#define PIRQB 11
> +#define PIRQC 10
> +#define PIRQD 11
> +
> +/* Map */
> +#define M_PIRQA (1 << PIRQA)	/* Bitmap of supported IRQs */
> +#define M_PIRQB (1 << PIRQB)	/* Bitmap of supported IRQs */
> +#define M_PIRQC (1 << PIRQC)	/* Bitmap of supported IRQs */
> +#define M_PIRQD (1 << PIRQD)	/* Bitmap of supported IRQs */
> +
> +/* Link */
> +#define L_PIRQA 1		/* Means Slot INTx# Connects To Chipset INTA# */
> +#define L_PIRQB 2		/* Means Slot INTx# Connects To Chipset INTB# */
> +#define L_PIRQC 3		/* Means Slot INTx# Connects To Chipset INTC# */
> +#define L_PIRQD 4		/* Means Slot INTx# Connects To Chipset INTD# */
> +
> +const struct irq_routing_table intel_irq_routing_table = {
> +	PIRQ_SIGNATURE,
> +	PIRQ_VERSION,
> +	32 + 16 * 5,		/* Max. number of devices on the bus */
> +	0x00,			/* Where the interrupt router lies (bus) */
> +	(0x0F << 3) | 0x0,      /* Where the interrupt router lies (dev) */
> +	0x00,			/* IRQs devoted exclusively to PCI usage */
> +	0x100B,			/* Vendor */
> +	0x002B,			/* Device */
> +	0,			/* Crap (miniport) */
> +	{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},	/* u8 rfu[11] */
> +	0x00,			/* Checksum */
> +	{
> +		/* If you change the number of entries, change IRQ_SLOT_COUNT above! */
> +
> +		/* bus, dev|fn,           {link, bitmap},      {link, bitmap},     {link, bitmap},     {link, bitmap},     slot, rfu */
> +
> +	 /* bus, dev|fn,           {link, bitmap},      {link, bitmap},     {link, bitmap},     {link, bitmap},     slot, rfu */
>   

The comment above seems to exist twice.

> +	 {0x00, (0x01 << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0},	/* cpu */
> +	 {0x00, (0x0F << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x0, 0x0},	/* chipset */
> +	 {0x00, (0x0D << 3) | 0x0, {{L_PIRQC, M_PIRQC}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0},	/* ethernet */
> +	}
> +};
> +
> +unsigned long write_pirq_routing_table(unsigned long addr)
> +{
> +	int i, j, k, num_entries;
> +	unsigned char pirq[4];
> +	u16 chipset_irq_map;
> +	u32 pciAddr, pirtable_end;
> +	struct irq_routing_table *pirq_tbl;
> +
> +	pirtable_end = copy_pirq_routing_table(addr);
> +
> +	/* Set up chipset IRQ steering. */
> +	pciAddr = 0x80000000 | (CHIPSET_DEV_NUM << 11) | 0x5C;
> +	chipset_irq_map = (PIRQD << 12 | PIRQC << 8 | PIRQB << 4 | PIRQA);
> +	printk(BIOS_DEBUG, "%s(%08X, %04X)\n", __FUNCTION__, pciAddr,
> +		     chipset_irq_map);
> +	outl(pciAddr & ~3, 0xCF8);
> +	outl(chipset_irq_map, 0xCFC);
> +
> +	pirq_tbl = (struct irq_routing_table *) (addr);
> +	num_entries = (pirq_tbl->size - 32) / 16;
> +
> +	/* Set PCI IRQs. */
> +	for (i = 0; i < num_entries; i++) {
> +		printk(BIOS_DEBUG, "PIR Entry %d Dev/Fn: %X Slot: %d\n", i,
> +			     pirq_tbl->slots[i].devfn, pirq_tbl->slots[i].slot);
> +		for (j = 0; j < 4; j++) {
> +			printk(BIOS_DEBUG, "INT: %c bitmap: %x ", 'A' + j,
> +				     pirq_tbl->slots[i].irq[j].bitmap);
> +			/* Finds lsb in bitmap to IRQ#. */
> +			for (k = 0; 
> +			     (!((pirq_tbl->slots[i].irq[j].bitmap >> k) & 1)) 
> +				     && (pirq_tbl->slots[i].irq[j].bitmap != 0);
> +			     k++);
> +			pirq[j] = k;
> +			printk(BIOS_DEBUG, "PIRQ: %d\n", k);
> +		}
> +
> +		/* Bus, device, slots IRQs for {A,B,C,D}. */
> +		pci_assign_irqs(pirq_tbl->slots[i].bus,
> +				pirq_tbl->slots[i].devfn >> 3, pirq);
> +	}
> +
> +	/* Put the PIR table in memory and checksum. */
> +	return pirtable_end;
> +}
> Index: mainboard/artecgroup/dbe62/dts
> ===================================================================
> --- mainboard/artecgroup/dbe62/dts	(revision 0)
> +++ mainboard/artecgroup/dbe62/dts	(revision 0)
> @@ -0,0 +1,48 @@
> +/*
> + * This file is part of the coreboot project.
> + *
> + * Copyright (C) 2007 Ronald G. Minnich <rminnich at gmail.com>
>   

2008?

> + *
> + * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
> + */
> +
> +/{
> +	mainboard-vendor = "Artec";
> +	mainboard-name = "DBE62";
> +	cpus { };
> +	apic at 0 {
> +		/config/("northbridge/amd/geodelx/apic");
> +	};
> +	domain at 0 {
> +		/config/("northbridge/amd/geodelx/domain");
> +		pci at 1,0 {
> +			/config/("northbridge/amd/geodelx/pci");
> +		};
> +		pci at 15,0 {
> +			/config/("southbridge/amd/cs5536/dts");
> +			enable_ide = "1";
> +			/* Interrupt enables for LPC bus.
> +			 *  Each bit is an IRQ 0-15. */
> +			lpc_serirq_enable = "0x00001002";
> +			/* LPC IRQ polarity. Each bit is an IRQ 0-15. */
> +			lpc_serirq_polarity = "0x0000EFFD";
> +			/* 0:continuous 1:quiet */
> +			lpc_serirq_mode = "1";
> +			/* GPIO(0-0x20) for INT D:C:B:A, 0xFF=none. 
> +			 * See virtual PIC spec. */
> +			enable_gpio_int_route = "0x0D0C0700";
> +		};
> +	};
> +};
> Index: mainboard/artecgroup/dbe62/cmos.layout
> ===================================================================
> --- mainboard/artecgroup/dbe62/cmos.layout	(revision 0)
> +++ mainboard/artecgroup/dbe62/cmos.layout	(revision 0)
> @@ -0,0 +1,74 @@
> +entries
> +
> +#start-bit length  config config-ID    name
> +#0            8       r       0        seconds
> +#8            8       r       0        alarm_seconds
> +#16           8       r       0        minutes
> +#24           8       r       0        alarm_minutes
> +#32           8       r       0        hours
> +#40           8       r       0        alarm_hours
> +#48           8       r       0        day_of_week
> +#56           8       r       0        day_of_month
> +#64           8       r       0        month
> +#72           8       r       0        year
> +#80           4       r       0        rate_select
> +#84           3       r       0        REF_Clock
> +#87           1       r       0        UIP
> +#88           1       r       0        auto_switch_DST
> +#89           1       r       0        24_hour_mode
> +#90           1       r       0        binary_values_enable
> +#91           1       r       0        square-wave_out_enable
> +#92           1       r       0        update_finished_enable
> +#93           1       r       0        alarm_interrupt_enable
> +#94           1       r       0        periodic_interrupt_enable
> +#95           1       r       0        disable_clock_updates
> +#96         288       r       0        temporary_filler
> +0          384       r       0        reserved_memory
> +384          1       e       4        boot_option
> +385          1       e       4        last_boot
> +386          1       e       1        ECC_memory
> +388          4       r       0        reboot_bits
> +392          3       e       5        baud_rate
> +400          1       e       1        power_on_after_fail
> +412          4       e       6        debug_level
> +416          4       e       7        boot_first
> +420          4       e       7        boot_second
> +424          4       e       7        boot_third
> +428          4       h       0        boot_index
> +432	     8       h       0        boot_countdown
> +1008         16      h       0        check_sum
> +
> +enumerations
> +
> +#ID value   text
> +1     0     Disable
> +1     1     Enable
> +2     0     Enable
> +2     1     Disable
> +4     0     Fallback
> +4     1     Normal
> +5     0     115200
> +5     1     57600
> +5     2     38400
> +5     3     19200
> +5     4     9600
> +5     5     4800
> +5     6     2400
> +5     7     1200
> +6     6     Notice
> +6     7     Info
> +6     8     Debug
> +6     9     Spew
> +7     0     Network
> +7     1     HDD
> +7     2     Floppy
> +7     8     Fallback_Network
> +7     9     Fallback_HDD
> +7     10    Fallback_Floppy
> +#7     3     ROM
> +
> +checksums
> +
> +checksum 392 1007 1008
> +
> +
> Index: mainboard/artecgroup/dbe62/Makefile
> ===================================================================
> --- mainboard/artecgroup/dbe62/Makefile	(revision 0)
> +++ mainboard/artecgroup/dbe62/Makefile	(revision 0)
> @@ -0,0 +1,35 @@
> +##
> +## This file is part of the coreboot project.
> +##
> +## Copyright (C) 2006-2007 coresystems GmbH
> +## (Written by Stefan Reinauer <stepan at coresystems.de> for coresystems GmbH)
> +##
> +## 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
> +##
> +
> +STAGE0_MAINBOARD_OBJ := $(obj)/mainboard/$(MAINBOARDDIR)/stage1.o
> +
> +INITRAM_OBJ =   $(src)/mainboard/$(MAINBOARDDIR)/initram.c \
> +		$(src)/northbridge/amd/geodelx/raminit.c \
> +		$(src)/arch/x86/geodelx/geodelx.c
> +
> +STAGE2_MAINBOARD_OBJ = 
> +
> +STAGE2_MAINBOARD_OBJ += irq_tables.o 
>   

Why set STAGE2_MAINBOARD_OBJ once and add to it once?

> +
> +$(obj)/coreboot.vpd:
> +	$(Q)printf "  BUILD   DUMMY VPD\n"
> +	$(Q)dd if=/dev/zero of=$(obj)/coreboot.vpd bs=256 count=1 $(SILENT)
> +
> Index: mainboard/artecgroup/Kconfig
> ===================================================================
> --- mainboard/artecgroup/Kconfig	(revision 623)
> +++ mainboard/artecgroup/Kconfig	(working copy)
> @@ -30,10 +30,23 @@
>  	select OPTION_TABLE
>  	select NORTHBRIDGE_AMD_GEODELX
>  	select SOUTHBRIDGE_AMD_CS5536
> +	select PIRQ_TABLE
>  	help
>  	  Artec Group DBE61, also known as ThinCan and Linutop.
>  
> +source "mainboard/artecgroup/dbe61/Kconfig"
>   

Please move the line above to the end of the file. Otherwise you get 
strange artifacts in menuconfig after selecting dbe61.

> +
> +config BOARD_ARTECGROUP_DBE62
> +	bool "DBE62"
> +	select ARCH_X86
> +	select CPU_AMD_GEODELX
> +	select OPTION_TABLE
> +	select NORTHBRIDGE_AMD_GEODELX
> +	select SOUTHBRIDGE_AMD_CS5536
> +	select PIRQ_TABLE
> +	help
> +	  Artec Group DBE62, also known as ThinCan and Linutop.
>   

AFAIK the Linutop 1 is equivalent to DBE61 and Linutop 2 is equivalent 
to DBE62.

> +
>  endchoice
>  
> -source "mainboard/artecgroup/dbe61/Kconfig"
> -
> +source "mainboard/artecgroup/dbe62/Kconfig"
>   


-- 
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