diff options
Diffstat (limited to 'src/mainboard/pcengines/alix2d')
| -rw-r--r-- | src/mainboard/pcengines/alix2d/Kconfig | 31 | ||||
| -rw-r--r-- | src/mainboard/pcengines/alix2d/chip.h | 22 | ||||
| -rw-r--r-- | src/mainboard/pcengines/alix2d/cmos.layout | 74 | ||||
| -rw-r--r-- | src/mainboard/pcengines/alix2d/devicetree.cb | 46 | ||||
| -rw-r--r-- | src/mainboard/pcengines/alix2d/irq_tables.c | 117 | ||||
| -rw-r--r-- | src/mainboard/pcengines/alix2d/mainboard.c | 39 | ||||
| -rw-r--r-- | src/mainboard/pcengines/alix2d/romstage.c | 219 |
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(); +} + |