[coreboot] [PATCH] v3: AMD DB800 support

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Tue Mar 4 21:01:03 CET 2008


On 04.03.2008 18:46, Marc Jones wrote:
>
>
> Carl-Daniel Hailfinger wrote:
>> This is another milestone in my quest to obsolete v2.
>>
>> [Patch looks strange due to a svn bug. Please let me commit, my tree 
>> will give us proper svn blame history and actually commit correctly.]
>>
> As you noted, reading the patch is weird. I don't understand, are you 
> trying to keep file history from the original files or something?

Yes.

> I would still expect the diff to have all new files.

The new files (with svn cp) didn't appear at all. They were hand-diffed 
by me.

> There is a second patch of the file that doesn't make sense. For 
> example: LinuxBIOSv3-db800/mainboard/amd/db800/irq_tables.h.

And that was an artifact of my process.

> I couldn't get it to apply cleanly. Maybe my mail reader munged it. 
> Can you check it applies and resend?

New patch, completely hand-generated, apply checked and compile checked.

> Also, there are some other cleanups that should probably be in a 
> seperate patch.
> LinuxBIOSv3-db800/mainboard/amd/norwich/irq_tables.h
> LinuxBIOSv3-db800/mainboard/pcengines/alix1c/irq_tables.h

Thanks, killed.

Regards,
Carl-Daniel

AMD DB800 support, ported from v2.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>


--- /dev/null	2007-09-21 23:50:58.000000000 +0200
+++ LinuxBIOSv3-db800/mainboard/amd/db800/Kconfig	2008-03-04 03:07:01.000000000 +0100
@@ -0,0 +1,44 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 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
+##
+
+config MAINBOARD_NAME
+	string
+	default amd/db800
+	depends BOARD_AMD_DB800
+	help
+	  This is the default mainboard name.
+
+config MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID
+	hex
+	# TODO: Fix PCI ID.
+	default 0x1022
+	depends BOARD_AMD_DB800
+	help
+	  Mainboard specific PCI subsystem vendor ID.
+
+config MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID
+	hex
+	# TODO: Fix PCI ID.
+	default 0x2323
+	depends BOARD_AMD_DB800
+	help
+	  Mainboard specific PCI subsystem device ID.
+
--- /dev/null	2007-09-21 23:50:58.000000000 +0200
+++ LinuxBIOSv3-db800/mainboard/amd/db800/initram.c	2008-03-04 04:02:32.000000000 +0100
@@ -0,0 +1,106 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007 Advanced Micro Devices, Inc.
+ *
+ * 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
+ */
+
+#define _MAINOBJECT
+
+#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 <northbridge/amd/geodelx/raminit.h>
+
+/* #include <device/smbus.h>
+ * TODO: figure out how smbus functions should be done. See smbus_ops.c
+ */
+extern int smbus_read_byte(u16 device, u8 address);
+
+#define MANUALCONF 0		/* Do automatic strapped PLL config */
+#define PLLMSRHI 0x00001490	/* manual settings for the PLL */
+#define PLLMSRLO 0x02000030
+#define DIMM0 ((u8) 0xA0)
+#define DIMM1 ((u8) 0xA2)
+
+u8 spd_read_byte(u16 device, u8 address)
+{
+	u8 spdbyte;
+
+	printk(BIOS_DEBUG, "spd_read_byte dev %04x\n", device);
+
+	spdbyte = smbus_read_byte(device, address);
+
+	printk(BIOS_DEBUG, " addr %02x returns %02x\n", address, spdbyte);
+
+	return spdbyte;
+}
+
+/**
+  * Placeholder in case we ever need it. Since this file is a
+  * template for other motherboards, we want this here and we want the
+  * call in the right place.
+  */
+
+static void mb_gpio_init(void)
+{
+	/* Early mainboard specific GPIO setup */
+}
+
+/**
+  * main for initram for the AMD DB800 development platform.
+  * It might seem that you could somehow do these functions in, e.g., the cpu
+  * code, but the order of operations and what those operations are is VERY
+  * strongly mainboard dependent. It's best to leave it in the mainboard code.
+  */
+int main(void)
+{
+	printk(BIOS_DEBUG, "Hi there from initram (stage1) main!\n");
+	post_code(POST_START_OF_MAIN);
+
+	system_preinit();
+	printk(BIOS_DEBUG, "done preinit\n");
+
+	mb_gpio_init();
+	printk(BIOS_DEBUG, "done gpio init\n");
+
+	pll_reset(MANUALCONF, PLLMSRHI, PLLMSRLO);
+	printk(BIOS_DEBUG, "done pll reset\n");
+
+	cpu_reg_init(0, DIMM0, DIMM1);
+	printk(BIOS_DEBUG, "done cpu reg init\n");
+
+	sdram_set_registers();
+	printk(BIOS_DEBUG, "done sdram set registers\n");
+
+	sdram_set_spd_registers(DIMM0, DIMM1);
+	printk(BIOS_DEBUG, "done sdram set spd registers\n");
+
+	sdram_enable(DIMM0, DIMM1);
+	printk(BIOS_DEBUG, "done sdram enable\n");
+
+	/* Check low memory */
+	/*ram_check(0x00000000, 640*1024); */
+
+	printk(BIOS_DEBUG, "stage1 returns\n");
+	return 0;
+}
--- /dev/null	2007-09-21 23:50:58.000000000 +0200
+++ LinuxBIOSv3-db800/mainboard/amd/db800/stage1.c	2008-03-04 03:05:09.000000000 +0100
@@ -0,0 +1,57 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007 Advanced Micro Devices, Inc.
+ *
+ * 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 <superio/winbond/w83627hf/w83627hf.h>
+
+#define SERIAL_DEV W83627HF_SP1
+#define SERIAL_IOBASE 0x3f8
+
+void hardware_stage1(void)
+{
+	void w83627hf_enable_serial(u8 dev, u8 serial, u16 iobase);
+	post_code(POST_START_OF_MAIN);
+	geodelx_msr_init();
+
+	cs5536_stage1();
+
+	/* NOTE: must do this AFTER the early_setup!
+	 * it is counting on some early MSR setup
+	 * for cs5536.
+	 */
+	cs5536_disable_internal_uart();
+	w83627hf_enable_serial(0x2e, SERIAL_DEV, SERIAL_IOBASE);
+
+}
+
+void mainboard_pre_payload(void)
+{
+	geode_pre_payload();
+	banner(BIOS_DEBUG, "mainboard_pre_payload: done");
+}
--- /dev/null	2007-09-21 23:50:58.000000000 +0200
+++ LinuxBIOSv3-db800/mainboard/amd/db800/dts	2008-03-04 04:01:49.000000000 +0100
@@ -0,0 +1,55 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * 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
+ */
+
+/{
+	mainboard-vendor = "AMD";
+	mainboard-name = "DB800";
+	cpus { };
+	apic at 0 {
+		/config/("northbridge/amd/geodelx/apic");
+	};
+	domain at 0 {
+		/config/("northbridge/amd/geodelx/domain");
+		/* Video RAM has to be in 2MB chunks. */
+		geode_video_mb = "8";
+		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 = "0x000010da";
+			/* LPC IRQ polarity. Each bit is an IRQ 0-15. */
+			lpc_serirq_polarity = "0x0000EF25";
+			/* 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";
+			enable_USBP4_device = "1";
+		};
+		ioport at 46 {
+			/config/("superio/winbond/w83627hf/dts");
+			com1enable = "1";
+		};
+	};
+};
--- /dev/null	2007-09-21 23:50:58.000000000 +0200
+++ LinuxBIOSv3-db800/mainboard/amd/db800/irq_tables.h	2008-03-04 04:02:08.000000000 +0100
@@ -0,0 +1,81 @@
+/*
+* This file is part of the coreboot project.
+*
+* Copyright (C) 2007 Advanced Micro Devices, Inc.
+*
+* 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 <pirq_routing.h>
+
+/* Number of slots and devices in the PIR table */
+#define SLOT_COUNT 4
+
+/* 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# */
+
+/*
+ * AMD DB800 interrupt wiring.
+ *
+ * Devices are:
+ *
+ * FIXME
+ *
+ */
+
+const struct irq_routing_table intel_irq_routing_table = {
+	PIRQ_SIGNATURE,
+	PIRQ_VERSION,
+	32 + 16 * SLOT_COUNT,	/* 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 */
+
+		/* CPU */
+		{0x00, (0x01 << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0},
+
+		/* Chipset slots -- f.3 wires to B, and f.4 and f.5 wires to D. */
+		{0x00, (0x0F << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x0, 0x0},
+
+		/* On-board ethernet */
+		{0x00, (0x0D << 3) | 0x0, {{L_PIRQB, M_PIRQB}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0},
+
+		/* PCI (slot 1) */
+		{0x00, (0x0E << 3) | 0x0, {{L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}}, 0x1, 0x0},
+	}
+};
--- /dev/null	2007-09-21 23:50:58.000000000 +0200
+++ LinuxBIOSv3-db800/mainboard/amd/db800/cmos.layout	2008-03-04 03:08:52.000000000 +0100
@@ -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
+
+
--- /dev/null	2007-09-21 23:50:58.000000000 +0200
+++ LinuxBIOSv3-db800/mainboard/amd/db800/Makefile	2008-03-04 03:18:53.000000000 +0100
@@ -0,0 +1,34 @@
+##
+## 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)/southbridge/amd/cs5536/smbus_initram.c \
+		$(src)/arch/x86/geodelx/geodelx.c
+
+STAGE2_MAINBOARD_OBJ = 
+
+$(obj)/coreboot.vpd:
+	$(Q)printf "  BUILD   DUMMY VPD\n"
+	$(Q)dd if=/dev/zero of=$(obj)/coreboot.vpd bs=256 count=1 $(SILENT)
+
Index: LinuxBIOSv3-db800/mainboard/amd/Kconfig
===================================================================
--- LinuxBIOSv3-db800/mainboard/amd/Kconfig	(Revision 630)
+++ LinuxBIOSv3-db800/mainboard/amd/Kconfig	(Arbeitskopie)
@@ -23,6 +23,18 @@
 	prompt "Mainboard model"
 	depends on VENDOR_AMD
 
+config BOARD_AMD_DB800
+	bool "DB800"
+	select ARCH_X86
+	select CPU_AMD_GEODELX
+	select OPTION_TABLE
+	select NORTHBRIDGE_AMD_GEODELX
+	select SOUTHBRIDGE_AMD_CS5536
+	select SUPERIO_WINBOND_W83627HF
+	select PIRQ_TABLE
+	help
+	  AMD DB800 Geode LX development board.
+
 config BOARD_AMD_NORWICH
 	bool "Norwich"
 	select ARCH_X86
@@ -36,5 +48,6 @@
 
 endchoice
 
+source "mainboard/amd/db800/Kconfig"
 source "mainboard/amd/norwich/Kconfig"
 


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