Re: [coreboot] [patch] v3 norwich platform updates

[Peter Stuge]

On Fri, Feb 22, 2008 at 06:28:47PM -0700, Marc Jones wrote:
> Updates to Norwich to get the system booting.
>
> Signed-off-by: Marc Jones

Acked-by: Peter Stuge
> Index: coreboot-v3/mainboard/amd/Kconfig
>
> --- coreboot-v3.orig/mainboard/amd/Kconfig	2008-02-22 13:52:13.000000000 -0700
> +++ coreboot-v3/mainboard/amd/Kconfig	2008-02-22 13:52:46.000000000 -0700
> @@ -30,6 +30,7 @@
>    select OPTION_TABLE
>    select NORTHBRIDGE_AMD_GEODELX
>    select SOUTHBRIDGE_AMD_CS5536
> select PIRQ_TABLE
> help
> AMD Norwich Geode LX development board.
> Index: coreboot-v3/mainboard/amd/norwich/Makefile
>
> --- coreboot-v3.orig/mainboard/amd/norwich/Makefile	2008-02-22 15:44:13.000000000 -0700
> +++ coreboot-v3/mainboard/amd/norwich/Makefile	2008-02-22 18:15:17.000000000 -0700
> @@ -28,6 +28,10 @@
>
> STAGE2_MAINBOARD_OBJ =
>
> +ifeq ($(CONFIG_PIRQ_TABLE),y)
> +STAGE2_MAINBOARD_OBJ += irq_tables.o
> +endif
>
> $(obj)/coreboot.vpd:
>    $(Q)printf "  BUILD   DUMMY VPD\n"
>    $(Q)dd if=/dev/zero of=$(obj)/coreboot.vpd bs=256 count=1 $(SILENT)
> Index: coreboot-v3/mainboard/amd/norwich/dts
> ===================================================================
> --- coreboot-v3.orig/mainboard/amd/norwich/dts	2008-02-22 10:49:50.000000000 -0700
> +++ coreboot-v3/mainboard/amd/norwich/dts	2008-02-22 18:15:59.000000000 -0700
> @@ -20,18 +20,35 @@
>
> /{
>    mainboard-vendor = "AMD";
> mainboard-name = "Norwich";
> mainboard-name = "NORWICH";
> cpus { };
> apic@0 {
> /config/("northbridge/amd/geodelx/apic");
> };
> domain@0 {
> /config/("northbridge/amd/geodelx/domain");
> /* Video RAM has to be in 2MB chunks. */
>            geode_video_mb = "8";
> pci@1,0 {
>   	/config/("northbridge/amd/geodelx/pci");
>   };
> pci@1,1 {
> pci@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";
> 	/* COM1 settings */
> 	com1_enable = "1";
> 	com1_address = "0x3f8";
> 	com1_irq = "4";
> };
> };
>
> };
> Index: coreboot-v3/mainboard/amd/norwich/initram.c
> ===================================================================
> --- coreboot-v3.orig/mainboard/amd/norwich/initram.c	2008-02-22 10:49:45.000000000 -0700
> +++ coreboot-v3/mainboard/amd/norwich/initram.c	2008-02-22 18:15:32.000000000 -0700
> @@ -31,46 +31,76 @@
>  #include <amd_geodelx.h>
>  #include <northbridge/amd/geodelx/raminit.h>
>
> -#define MANUALCONF 0		/* Do automatic strapped PLL config. */
> +/* #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 PLLMSRHI 0x00001490	/* Manual settings for the PLL */
> +#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 boards, we want this here and we want the call in the right place.
> */
> 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 Norwich. 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.
> */
> main for initram for the AMD Norwich 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)
>  {
> u8 smb_devices[] = { DIMM0, DIMM1 };
>
> 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(0, 640 * 1024); */
>
> /* Check low memory */
>
> /*ram_check(0x00000000, 640*1024); */
>
> printk(BIOS_DEBUG, "stage1 returns\n");
> return 0;
>
> }
> Index: coreboot-v3/mainboard/amd/norwich/irq_tables.c
> ===================================================================
> --- /dev/null	1970-01-01 00:00:00.000000000 +0000
> +++ coreboot-v3/mainboard/amd/norwich/irq_tables.c	2008-02-22 18:16:21.000000000 -0700
> @@ -0,0 +1,141 @@
> +/*
> +* 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 <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"
>
> +/* Number of slots and devices in the PIR table */
> +#define SLOT_COUNT 6
>
> +/* Platform IRQs */
> +#define PIRQA 11
> +#define PIRQB 10
> +#define PIRQC 11
> +#define PIRQD 10
>
> +/* 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# */
>
> +/*
> Norwich interrupt wiring.
> Devices are:
> 00:01.0 Host bridge: Advanced Micro Devices [AMD] CS5536 [Geode companion] Host Bridge (rev 31)
> 00:01.1 Graphics device:  Advanced Micro Devices [AMD] Geode LX Graphics
> 00:01.2 Entertainment encryption device: Advanced Micro Devices [AMD] Geode LX AES Security Block
> 00:0b.0 slot3
> 00:0c.0 slot4
> 00:0d.0 slot1
> 00:0e.0 slot2
> 00:0f.0 ISA bridge: Advanced Micro Devices [AMD] CS5536 [Geode companion] ISA (rev 03)
> 00:0f.2 IDE interface: Advanced Micro Devices [AMD] CS5536 [Geode companion] IDE (rev 01)
> 00:0f.3 Multimedia audio controller: Advanced Micro Devices [AMD] CS5536 [Geode companion] Audio (rev 01)
> 00:0f.4 USB Controller: Advanced Micro Devices [AMD] CS5536 [Geode companion] OHC (rev 02)
> 00:0f.5 USB Controller: Advanced Micro Devices [AMD] CS5536 [Geode companion] EHC (rev 02)
> */
>
> +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 the IRQ_SLOT_COUNT above! */
> /* bus, dev|fn,           {link, bitmap},      {link, bitmap},     {link, bitmap},     {link, bitmap},     slot, rfu */
> {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_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}}, 0x1, 0x0},	/* slot1 */
> {0x00, (0x0E << 3) | 0x0, {{L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}}, 0x2, 0x0},	/* slot2 */
> {0x00, (0x0B << 3) | 0x0, {{L_PIRQD, M_PIRQD}, {L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}}, 0x3, 0x0},	/* slot3 */
> {0x00, (0x0C << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x4, 0x0},	/* slot4 */
> }
>
> +};
>
> +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: coreboot-v3/mainboard/amd/norwich/stage1.c
> ===================================================================
> --- coreboot-v3.orig/mainboard/amd/norwich/stage1.c	2008-02-22 10:50:01.000000000 -0700
> +++ coreboot-v3/mainboard/amd/norwich/stage1.c	2008-02-22 11:19:11.000000000 -0700
> @@ -40,9 +40,7 @@
>    /*
>     * NOTE: Must do this AFTER the early_setup! It is counting on some
>     * early MSR setup for the CS5536. We do this early for debug.
> * Real setup should be done in chipset init via Config.lb.
> *
> * TODO: Drop Config.lb reference, update comment.
> * Real setup should be done in chipset init via dts settings.
> */
>  cs5536_setup_onchipuart();
>
> }