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authorJens Rottmann <JRottmann@LiPPERTEmbedded.de>2010-08-31 19:02:45 +0000
committerMyles Watson <mylesgw@gmail.com>2010-08-31 19:02:45 +0000
commit3063d5dfdee3ccf674b863ca6d22a229210c04a7 (patch)
treedcae5cc6610bd8ff55f86b6e0445d38bfdcca6c4 /src/mainboard/pcengines/alix2d
parent9fae99fc4efa0e88f9e601848735ae20a251a862 (diff)
Make ALIX.2D3 support 2D2 as well.
Signed-off-by: Jens Rottmann <JRottmann@LiPPERTEmbedded.de> Acked-by: Myles Watson <mylesgw@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5759 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/pcengines/alix2d')
-rw-r--r--src/mainboard/pcengines/alix2d/Kconfig31
-rw-r--r--src/mainboard/pcengines/alix2d/chip.h22
-rw-r--r--src/mainboard/pcengines/alix2d/cmos.layout74
-rw-r--r--src/mainboard/pcengines/alix2d/devicetree.cb46
-rw-r--r--src/mainboard/pcengines/alix2d/irq_tables.c117
-rw-r--r--src/mainboard/pcengines/alix2d/mainboard.c39
-rw-r--r--src/mainboard/pcengines/alix2d/romstage.c219
7 files changed, 548 insertions, 0 deletions
diff --git a/src/mainboard/pcengines/alix2d/Kconfig b/src/mainboard/pcengines/alix2d/Kconfig
new file mode 100644
index 0000000000..f0997fda5e
--- /dev/null
+++ b/src/mainboard/pcengines/alix2d/Kconfig
@@ -0,0 +1,31 @@
+if BOARD_PCENGINES_ALIX2D
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+ def_bool y
+ select ARCH_X86
+ select CPU_AMD_LX
+ select NORTHBRIDGE_AMD_LX
+ select SOUTHBRIDGE_AMD_CS5536
+ select HAVE_PIRQ_TABLE
+ select PIRQ_ROUTE
+ select UDELAY_TSC
+ select CACHE_AS_RAM
+ select BOARD_ROMSIZE_KB_512
+
+config MAINBOARD_DIR
+ string
+ default pcengines/alix2d
+
+config MAINBOARD_PART_NUMBER
+ string
+ default "ALIX.2D"
+
+config IRQ_SLOT_COUNT
+ int
+ default 7
+
+config RAMBASE
+ hex
+ default 0x4000
+
+endif # BOARD_PCENGINES_ALIX2D
diff --git a/src/mainboard/pcengines/alix2d/chip.h b/src/mainboard/pcengines/alix2d/chip.h
new file mode 100644
index 0000000000..fb321d557e
--- /dev/null
+++ b/src/mainboard/pcengines/alix2d/chip.h
@@ -0,0 +1,22 @@
+/*
+ * 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
+ */
+
+extern struct chip_operations mainboard_ops;
+
+struct mainboard_config {};
diff --git a/src/mainboard/pcengines/alix2d/cmos.layout b/src/mainboard/pcengines/alix2d/cmos.layout
new file mode 100644
index 0000000000..c1354a2866
--- /dev/null
+++ b/src/mainboard/pcengines/alix2d/cmos.layout
@@ -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
+
+
diff --git a/src/mainboard/pcengines/alix2d/devicetree.cb b/src/mainboard/pcengines/alix2d/devicetree.cb
new file mode 100644
index 0000000000..edcbc06623
--- /dev/null
+++ b/src/mainboard/pcengines/alix2d/devicetree.cb
@@ -0,0 +1,46 @@
+chip northbridge/amd/lx
+ device pci_domain 0 on
+ device pci 1.0 on end
+ device pci 1.1 on end
+ chip southbridge/amd/cs5536
+ # IRQ 12 and 1 unmasked, Keyboard and Mouse IRQs. OK
+ # SIRQ Mode = Active(Quiet) mode. Save power....
+ # Invert mask = IRQ 12 and 1 are active high. Keyboard and Mouse IRQs. OK
+ # How to get these? Boot linux and do this:
+ # rdmsr 0x51400025
+ register "lpc_serirq_enable" = "0x00001002"
+ # rdmsr 0x5140004e -- polairy is high 16 bits of low 32 bits
+ register "lpc_serirq_polarity" = "0x0000EFFD"
+ # mode is high 10 bits (determined from code)
+ register "lpc_serirq_mode" = "1"
+ # Don't yet know how to find this.
+ register "enable_gpio_int_route" = "0x0D0C0700"
+ register "enable_ide_nand_flash" = "0" # 0:ide mode, 1:flash
+ register "enable_USBP4_device" = "0" #0: host, 1:device
+ register "enable_USBP4_overcurrent" = "0" #0:off, xxxx:overcurrent setting CS5536 Data Book (pages 380-381)
+ register "com1_enable" = "1"
+ register "com1_address" = "0x3F8"
+ register "com1_irq" = "4"
+ register "com2_enable" = "1" # Wired on Alix.2D13 only
+ register "com2_address" = "0x2F8"
+ register "com2_irq" = "3"
+ register "unwanted_vpci[0]" = "0x80000900" # Disable VGA controller (not wired)
+ register "unwanted_vpci[1]" = "0x80007B00" # Disable AC97 controller (not wired)
+ register "unwanted_vpci[2]" = "0" # End of list has a zero
+ device pci f.0 on end # ISA Bridge
+ device pci f.1 on end # Flash controller
+ device pci f.2 on end # IDE controller
+ device pci f.4 on end # OHCI
+ device pci f.5 on end # EHCI
+ end
+ end
+
+ # APIC cluster is late CPU init.
+ device lapic_cluster 0 on
+ chip cpu/amd/model_lx
+ device lapic 0 on end
+ end
+ end
+
+end
+
diff --git a/src/mainboard/pcengines/alix2d/irq_tables.c b/src/mainboard/pcengines/alix2d/irq_tables.c
new file mode 100644
index 0000000000..7b6b94ab52
--- /dev/null
+++ b/src/mainboard/pcengines/alix2d/irq_tables.c
@@ -0,0 +1,117 @@
+/*
+* 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 <arch/pirq_routing.h>
+#include <console/console.h>
+#include <arch/io.h>
+#include "../../../southbridge/amd/cs5536/cs5536.h"
+
+/* Platform IRQs */
+#define PIRQA 11
+#define PIRQB 10
+#define PIRQC 11
+#define PIRQD 9
+
+/* 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# */
+
+/*
+ * ALIX.2D3 interrupt wiring.
+ *
+ * Devices are:
+ * 00:01.0 Host bridge [0600]: Advanced Micro Devices [AMD] CS5536 [Geode companion] Host Bridge [1022:2080] (rev 33)
+ * 00:01.2 Entertainment encryption device [1010]: Advanced Micro Devices [AMD] Geode LX AES Security Block [1022:2082]
+ * 00:09.0 Ethernet controller [0200]: VIA Technologies, Inc. VT6105M [Rhine-III] [1106:3053] (rev 96)
+ * 00:0a.0 Ethernet controller [0200]: VIA Technologies, Inc. VT6105M [Rhine-III] [1106:3053] (rev 96)
+ * 00:0b.0 Ethernet controller [0200]: VIA Technologies, Inc. VT6105M [Rhine-III] [1106:3053] (rev 96)
+ * 00:0f.0 ISA bridge [0601]: Advanced Micro Devices [AMD] CS5536 [Geode companion] ISA [1022:2090] (rev 03)
+ * 00:0f.2 IDE interface [0101]: Advanced Micro Devices [AMD] CS5536 [Geode companion] IDE [1022:209a] (rev 01)
+ * 00:0f.4 USB Controller [0c03]: Advanced Micro Devices [AMD] CS5536 [Geode companion] OHC [1022:2094] (rev 02)
+ * 00:0f.5 USB Controller [0c03]: Advanced Micro Devices [AMD] CS5536 [Geode companion] EHC [1022:2095] (rev 02)
+
+ * The only devices that interrupt are:
+ *
+ * What Device IRQ PIN PIN WIRED TO
+ * -------------------------------------------------
+ * AES 00:01.2 0a 01 A A
+ * eth0 00:09.0 0b 01 A B
+ * eth1 00:0a.0 0b 01 A C
+ * eth2 00:0b.0 0b 01 A D
+ * mpci 00:0c.0 0a 01 A A
+ * mpci 00:0c.0 0b 02 B B
+ * usb 00:0f.4 0b 04 D D
+ * usb 00:0f.5 0b 04 D D
+ *
+ * The only swizzled interrupts are the ethernet controllers, where INTA is wired to
+ * interrupt controller lines B, C and D.
+ */
+
+const struct irq_routing_table intel_irq_routing_table = {
+ PIRQ_SIGNATURE,
+ PIRQ_VERSION,
+ 32 + 16 * CONFIG_IRQ_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 CONFIG_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},
+
+ /* On-board ethernet (Left) */
+ {0x00, (0x09 << 3) | 0x0, {{L_PIRQB, M_PIRQB}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0},
+
+ /* On-board ethernet (Middle, ALIX.2D3 only) */
+ {0x00, (0x0A << 3) | 0x0, {{L_PIRQC, M_PIRQC}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0},
+
+ /* On-board ethernet (Right) */
+ {0x00, (0x0B << 3) | 0x0, {{L_PIRQD, M_PIRQD}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0},
+
+ /* Mini PCI (slot 1) */
+ {0x00, (0x0C << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0},
+
+ /* Mini PCI (slot 2, ALIX.2D2 only) */
+ {0x00, (0x0E << 3) | 0x0, {{L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}, {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},
+ }
+};
+
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+ return copy_pirq_routing_table(addr);
+}
diff --git a/src/mainboard/pcengines/alix2d/mainboard.c b/src/mainboard/pcengines/alix2d/mainboard.c
new file mode 100644
index 0000000000..b227d6611c
--- /dev/null
+++ b/src/mainboard/pcengines/alix2d/mainboard.c
@@ -0,0 +1,39 @@
+/*
+ * 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 <console/console.h>
+#include <device/device.h>
+#include "chip.h"
+
+static void init(struct device *dev)
+{
+ printk(BIOS_DEBUG, "ALIX.2D ENTER %s\n", __func__);
+ printk(BIOS_DEBUG, "ALIX.2D EXIT %s\n", __func__);
+}
+
+static void enable_dev(struct device *dev)
+{
+ dev->ops->init = init;
+}
+
+struct chip_operations mainboard_ops = {
+ CHIP_NAME("PC Engines ALIX.2D Mainboard")
+ .enable_dev = enable_dev,
+};
+
diff --git a/src/mainboard/pcengines/alix2d/romstage.c b/src/mainboard/pcengines/alix2d/romstage.c
new file mode 100644
index 0000000000..1c00f8781e
--- /dev/null
+++ b/src/mainboard/pcengines/alix2d/romstage.c
@@ -0,0 +1,219 @@
+/*
+ * 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 <stdint.h>
+#include <stdlib.h>
+#include <spd.h>
+#include <device/pci_def.h>
+#include <arch/io.h>
+#include <device/pnp_def.h>
+#include <arch/romcc_io.h>
+#include <arch/hlt.h>
+#include <console/console.h>
+#include "lib/ramtest.c"
+#include "cpu/x86/bist.h"
+#include "cpu/x86/msr.h"
+#include <cpu/amd/lxdef.h>
+#include <cpu/amd/geode_post_code.h>
+#include "southbridge/amd/cs5536/cs5536.h"
+
+#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
+
+/* The ALIX.2D has no SMBus; the setup is hard-wired. */
+static void cs5536_enable_smbus(void)
+{
+}
+
+#include "southbridge/amd/cs5536/cs5536_early_setup.c"
+
+/* The part is a Hynix hy5du121622ctp-d43.
+ *
+ * HY 5D U 12 16 2 2 C <blank> T <blank> P D43
+ * Hynix
+ * DDR SDRAM (5D)
+ * VDD 2.5 VDDQ 2.5 (U)
+ * 512M 8K REFRESH (12)
+ * x16 (16)
+ * 4banks (2)
+ * SSTL_2 (2)
+ * 4th GEN die (C)
+ * Normal Power Consumption (<blank> )
+ * TSOP (T)
+ * Single Die (<blank>)
+ * Lead Free (P)
+ * DDR400 3-3-3 (D43)
+ */
+/* SPD array */
+static const u8 spdbytes[] = {
+ [SPD_ACCEPTABLE_CAS_LATENCIES] = 0x10,
+ [SPD_BANK_DENSITY] = 0x40,
+ [SPD_DEVICE_ATTRIBUTES_GENERAL] = 0xff,
+ [SPD_MEMORY_TYPE] = 7,
+ [SPD_MIN_CYCLE_TIME_AT_CAS_MAX] = 10, /* A guess for the tRAC value */
+ [SPD_MODULE_ATTRIBUTES] = 0xff, /* FIXME later when we figure out. */
+ [SPD_NUM_BANKS_PER_SDRAM] = 4,
+ [SPD_PRIMARY_SDRAM_WIDTH] = 8,
+ [SPD_NUM_DIMM_BANKS] = 1, /* ALIX1.C is 1 bank. */
+ [SPD_NUM_COLUMNS] = 0xa,
+ [SPD_NUM_ROWS] = 3,
+ [SPD_REFRESH] = 0x3a,
+ [SPD_SDRAM_CYCLE_TIME_2ND] = 60,
+ [SPD_SDRAM_CYCLE_TIME_3RD] = 75,
+ [SPD_tRAS] = 40,
+ [SPD_tRCD] = 15,
+ [SPD_tRFC] = 70,
+ [SPD_tRP] = 15,
+ [SPD_tRRD] = 10,
+};
+
+static u8 spd_read_byte(u8 device, u8 address)
+{
+ print_debug("spd_read_byte dev ");
+ print_debug_hex8(device);
+
+ if (device != (0x50 << 1)) {
+ print_debug(" returns 0xff\n");
+ return 0xff;
+ }
+
+ print_debug(" addr ");
+ print_debug_hex8(address);
+ print_debug(" returns ");
+ print_debug_hex8(spdbytes[address]);
+ print_debug("\n");
+
+ return spdbytes[address];
+}
+
+#define ManualConf 0 /* Do automatic strapped PLL config */
+#define PLLMSRhi 0x00001490 /* Manual settings for the PLL */
+#define PLLMSRlo 0x02000030
+
+#define DIMM0 0xa0
+#define DIMM1 0xa2
+
+#include "northbridge/amd/lx/raminit.h"
+#include "northbridge/amd/lx/pll_reset.c"
+#include "northbridge/amd/lx/raminit.c"
+#include "lib/generic_sdram.c"
+#include "cpu/amd/model_lx/cpureginit.c"
+#include "cpu/amd/model_lx/syspreinit.c"
+#include "cpu/amd/model_lx/msrinit.c"
+
+/** Early mainboard specific GPIO setup. */
+static void mb_gpio_init(void)
+{
+ /*
+ * Disable power button, since it is hardwired to ground on this board,
+ * and the power would be cut off atfer a 4-second delay otherwise.
+ */
+ outl(0x00020000, PMS_IO_BASE + 0x40);
+
+ /*
+ * Enable LEDs GPIO outputs to light up the leds
+ * This is how the original tinyBIOS sets them after boot.
+ * Info: GPIO_IO_BASE, 0x6100, is only valid before PCI init, so it
+ * may be used here, but not after PCI Init.
+ * Note: Prior to a certain release, Linux used a hardwired 0x6100 in the
+ * leds-alix2.c driver. Coreboot dynamically assigns this space,
+ * so the driver does not work anymore.
+ * Good workaround: use the newer driver
+ * Ugly workaround: $ wrmsr 0x5140000C 0xf00100006100
+ * This resets the GPIO I/O space to 0x6100.
+ * This may break other things, though.
+ */
+ outl(1 << 6, GPIO_IO_BASE + GPIOL_OUTPUT_ENABLE);
+ outl(1 << 9, GPIO_IO_BASE + GPIOH_OUTPUT_ENABLE);
+ outl(1 << 11, GPIO_IO_BASE + GPIOH_OUTPUT_ENABLE);
+
+ /* outl(1 << 6, GPIO_IO_BASE + GPIOL_OUTPUT_VALUE); */ /* Led 1 enabled */
+ outl(1 << 9, GPIO_IO_BASE + GPIOH_OUTPUT_VALUE); /* Led 2 disabled */
+ outl(1 << 11, GPIO_IO_BASE + GPIOH_OUTPUT_VALUE); /* Led 3 disabled */
+
+
+}
+
+void main(unsigned long bist)
+{
+ static const struct mem_controller memctrl[] = {
+ {.channel0 = {0x50}},
+ };
+
+ post_code(0x01);
+
+ SystemPreInit();
+ msr_init();
+
+ cs5536_early_setup();
+
+ /* NOTE: Must do this AFTER cs5536_early_setup()!
+ * It is counting on some early MSR setup for the CS5536.
+ */
+ cs5536_setup_onchipuart(1);
+ mb_gpio_init();
+ uart_init();
+ console_init();
+
+ /* Halt if there was a built in self test failure */
+ report_bist_failure(bist);
+
+ pll_reset(ManualConf);
+
+ cpuRegInit(0, DIMM0, DIMM1, DRAM_TERMINATED);
+
+ sdram_initialize(1, memctrl);
+
+ /* Check memory */
+ /* Enable this only if you are having questions. */
+ /* ram_check(0, 640 * 1024); */
+
+ /* Switch from Cache as RAM to real RAM.
+ *
+ * There are two ways we could think about this.
+ *
+ * 1. If we are using the romstage.inc ROMCC way, the stack is
+ * going to be re-setup in the code following this code. Just
+ * wbinvd the stack to clear the cache tags. We don't care
+ * where the stack used to be.
+ *
+ * 2. This file is built as a normal .c -> .o and linked in
+ * etc. The stack might be used to return etc. That means we
+ * care about what is in the stack. If we are smart we set
+ * the CAR stack to the same location as the rest of
+ * coreboot. If that is the case we can just do a wbinvd.
+ * The stack will be written into real RAM that is now setup
+ * and we continue like nothing happened. If the stack is
+ * located somewhere other than where LB would like it, you
+ * need to write some code to do a copy from cache to RAM
+ *
+ * We use method 1 on Norwich and on this board too.
+ */
+ post_code(0x02);
+ print_err("POST 02\n");
+ __asm__("wbinvd\n");
+ print_err("Past wbinvd\n");
+
+ /* We are finding the return does not work on this board. Explicitly
+ * call the label that is after the call to us. This is gross, but
+ * sometimes at this level it is the only way out.
+ */
+ void done_cache_as_ram_main(void);
+ done_cache_as_ram_main();
+}
+