Add Lenovo ThinkPad T60
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Acked-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6530 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/mainboard/lenovo/t60/romstage.c b/src/mainboard/lenovo/t60/romstage.c
new file mode 100644
index 0000000..ff266987
--- /dev/null
+++ b/src/mainboard/lenovo/t60/romstage.c
@@ -0,0 +1,342 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
+ *
+ * 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; version 2 of
+ * the License.
+ *
+ * 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
+ */
+
+// __PRE_RAM__ means: use "unsigned" for device, not a struct.
+
+#include <stdint.h>
+#include <string.h>
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+#include <device/pci_def.h>
+#include <device/pnp_def.h>
+#include <cpu/x86/lapic.h>
+#include <lib.h>
+#include <pc80/mc146818rtc.h>
+#include <console/console.h>
+#include <usbdebug.h>
+#include <cpu/x86/bist.h>
+#include "northbridge/intel/i945/i945.h"
+#include "northbridge/intel/i945/raminit.h"
+#include "southbridge/intel/i82801gx/i82801gx.h"
+#include "dock.h"
+
+void setup_ich7_gpios(void)
+{
+ printk(BIOS_DEBUG, " GPIOS...");
+
+ /* T60 GPIO:
+ 6: LEGACYIO#
+ 7: BDC_PRESENCE#
+ 8: H8_WAKE#
+ 10: MDI_DETECT
+ 12: H8SCI#
+ 14: CPUSB#
+ 15: CPPE#
+ 25: MDC_KILL#
+ 27: EXC_PWR_CTRL
+ 28: EXC_AUX_CTRL
+ 35: CLKREQ_SATA#
+ 36: PLANARID0
+ 37: PLANARID1
+ 38: PLANARID2
+ 39: PLANARID3
+ */
+ outl(0x1f48f7c2, DEFAULT_GPIOBASE + 0x00); /* GPIO_USE_SEL */
+ outl(0xe0e0ffc3, DEFAULT_GPIOBASE + 0x04); /* GP_IO_SEL */
+ outl(0xfbfefb7d, DEFAULT_GPIOBASE + 0x0c); /* GP_LVL */
+ /* Output Control Registers */
+ outl(0x00040000, DEFAULT_GPIOBASE + 0x18); /* GPO_BLINK */
+ /* Input Control Registers */
+ outl(0x000039ff, DEFAULT_GPIOBASE + 0x2c); /* GPI_INV */
+ outl(0x000100f0, DEFAULT_GPIOBASE + 0x30); /* GPIO_USE_SEL2 */
+ outl(0x000000f1, DEFAULT_GPIOBASE + 0x34); /* GP_IO_SEL2 */
+ outl(0x000300a3, DEFAULT_GPIOBASE + 0x38); /* GP_LVL2 */
+}
+
+static void ich7_enable_lpc(void)
+{
+ // Enable Serial IRQ
+ pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x64, 0xd0);
+ // decode range
+ pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x80, 0x0210);
+ // decode range
+ pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x1f0d);
+
+ /* range 0x1600 - 0x167f */
+ pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x84, 0x1601);
+ pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x86, 0x007c);
+
+ /* range 0x15e0 - 0x10ef */
+ pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x88, 0x15e1);
+ pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x8a, 0x000c);
+
+ /* range 0x1680 - 0x169f */
+ pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x8c, 0x1681);
+ pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x8e, 0x001c);
+}
+
+static void early_superio_config(void)
+{
+ int timeout = 100000;
+ device_t dev = PNP_DEV(0x2e, 3);
+
+ pnp_write_config(dev, 0x29, 0xa0);
+
+ while(!(pnp_read_config(dev, 0x29) & 0x10) && timeout--)
+ udelay(1000);
+
+ /* Enable COM1 */
+ pnp_set_logical_device(dev);
+ pnp_set_iobase(dev, PNP_IDX_IO0, 0x3f8);
+ pnp_set_enable(dev, 1);
+}
+
+static void rcba_config(void)
+{
+ /* Set up virtual channel 0 */
+ RCBA32(0x0014) = 0x80000001;
+ RCBA32(0x001c) = 0x03128010;
+
+ /* Device 1f interrupt pin register */
+ RCBA32(0x3100) = 0x00001230;
+ RCBA32(0x3108) = 0x40004321;
+
+ /* PCIe Interrupts */
+ RCBA32(0x310c) = 0x00004321;
+ /* HD Audio Interrupt */
+ RCBA32(0x3110) = 0x00000002;
+
+ /* dev irq route register */
+ RCBA16(0x3140) = 0x1007;
+ RCBA16(0x3142) = 0x0076;
+ RCBA16(0x3144) = 0x3210;
+ RCBA16(0x3146) = 0x7654;
+ RCBA16(0x3148) = 0x0010;
+
+ /* Enable IOAPIC */
+ RCBA8(0x31ff) = 0x03;
+
+ /* Enable upper 128bytes of CMOS */
+ RCBA32(0x3400) = (1 << 2);
+
+ /* Disable unused devices */
+ RCBA32(0x3418) = FD_PCIE6 | FD_PCIE5 | FD_INTLAN | FD_ACMOD | FD_ACAUD;
+ RCBA32(0x3418) |= (1 << 0); // Required.
+
+ /* Set up I/O Trap #0 for 0xfe00 (SMIC) */
+ RCBA32(0x1e84) = 0x00020001;
+ RCBA32(0x1e80) = 0x0000fe01;
+
+ /* Set up I/O Trap #3 for 0x800-0x80c (Trap) */
+ RCBA32(0x1e9c) = 0x000200f0;
+ RCBA32(0x1e98) = 0x000c0801;
+}
+
+static void early_ich7_init(void)
+{
+ uint8_t reg8;
+ uint32_t reg32;
+
+ // program secondary mlt XXX byte?
+ pci_write_config8(PCI_DEV(0, 0x1e, 0), 0x1b, 0x20);
+
+ // reset rtc power status
+ reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa4);
+ reg8 &= ~(1 << 2);
+ pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa4, reg8);
+
+ // usb transient disconnect
+ reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xad);
+ reg8 |= (3 << 0);
+ pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xad, reg8);
+
+ reg32 = pci_read_config32(PCI_DEV(0, 0x1d, 7), 0xfc);
+ reg32 |= (1 << 29) | (1 << 17);
+ pci_write_config32(PCI_DEV(0, 0x1d, 7), 0xfc, reg32);
+
+ reg32 = pci_read_config32(PCI_DEV(0, 0x1d, 7), 0xdc);
+ reg32 |= (1 << 31) | (1 << 27);
+ pci_write_config32(PCI_DEV(0, 0x1d, 7), 0xdc, reg32);
+
+ RCBA32(0x0088) = 0x0011d000;
+ RCBA16(0x01fc) = 0x060f;
+ RCBA32(0x01f4) = 0x86000040;
+ RCBA32(0x0214) = 0x10030549;
+ RCBA32(0x0218) = 0x00020504;
+ RCBA8(0x0220) = 0xc5;
+ reg32 = RCBA32(0x3410);
+ reg32 |= (1 << 6);
+ RCBA32(0x3410) = reg32;
+ reg32 = RCBA32(0x3430);
+ reg32 &= ~(3 << 0);
+ reg32 |= (1 << 0);
+ RCBA32(0x3430) = reg32;
+ RCBA32(0x3418) |= (1 << 0);
+ RCBA16(0x0200) = 0x2008;
+ RCBA8(0x2027) = 0x0d;
+ RCBA16(0x3e08) |= (1 << 7);
+ RCBA16(0x3e48) |= (1 << 7);
+ RCBA32(0x3e0e) |= (1 << 7);
+ RCBA32(0x3e4e) |= (1 << 7);
+
+ // next step only on ich7m b0 and later:
+ reg32 = RCBA32(0x2034);
+ reg32 &= ~(0x0f << 16);
+ reg32 |= (5 << 16);
+ RCBA32(0x2034) = reg32;
+}
+
+#include <cbmem.h>
+
+void main(unsigned long bist)
+{
+ u32 reg32;
+ int boot_mode = 0;
+ const u8 spd_addrmap[2 * DIMM_SOCKETS] = { 0x50, 0x52, 0x51, 0x53 };
+
+ if (bist == 0)
+ enable_lapic();
+
+ /* Force PCIRST# */
+ pci_write_config16(PCI_DEV(0, 0x1e, 0), BCTRL, SBR);
+ udelay(200 * 1000);
+ pci_write_config16(PCI_DEV(0, 0x1e, 0), BCTRL, 0);
+
+ ich7_enable_lpc();
+
+
+ /* dock_init initializes the DLPC switch on
+ * thinpad side, so this is required even
+ * if we're undocked.
+ */
+ if (!dlpc_init() && dock_present()) {
+ dock_connect();
+ early_superio_config();
+ /* Set up the console */
+ uart_init();
+ }
+
+#if CONFIG_USBDEBUG
+ i82801gx_enable_usbdebug(1);
+ early_usbdebug_init();
+#endif
+
+ console_init();
+
+ /* Halt if there was a built in self test failure */
+ report_bist_failure(bist);
+
+ if (MCHBAR16(SSKPD) == 0xCAFE) {
+ printk(BIOS_DEBUG, "soft reset detected, rebooting properly\n");
+ outb(0x6, 0xcf9);
+ while (1) asm("hlt");
+ }
+
+ /* Perform some early chipset initialization required
+ * before RAM initialization can work
+ */
+ i945_early_initialization();
+
+ /* Read PM1_CNT */
+ reg32 = inl(DEFAULT_PMBASE + 0x04);
+ printk(BIOS_DEBUG, "PM1_CNT: %08x\n", reg32);
+ if (((reg32 >> 10) & 7) == 5) {
+#if CONFIG_HAVE_ACPI_RESUME
+ printk(BIOS_DEBUG, "Resume from S3 detected.\n");
+ boot_mode = 2;
+ /* Clear SLP_TYPE. This will break stage2 but
+ * we care for that when we get there.
+ */
+ outl(reg32 & ~(7 << 10), DEFAULT_PMBASE + 0x04);
+
+#else
+ printk(BIOS_DEBUG, "Resume from S3 detected, but disabled.\n");
+#endif
+ }
+
+ /* Enable SPD ROMs and DDR-II DRAM */
+ enable_smbus();
+
+#if CONFIG_DEFAULT_CONSOLE_LOGLEVEL > 8
+ dump_spd_registers();
+#endif
+
+ sdram_initialize(boot_mode, spd_addrmap);
+
+ /* Perform some initialization that must run before stage2 */
+ early_ich7_init();
+
+ /* This should probably go away. Until now it is required
+ * and mainboard specific
+ */
+ rcba_config();
+
+ /* Chipset Errata! */
+ fixup_i945_errata();
+
+ /* Initialize the internal PCIe links before we go into stage2 */
+ i945_late_initialization();
+
+#if !CONFIG_HAVE_ACPI_RESUME
+#if CONFIG_DEFAULT_CONSOLE_LOGLEVEL > 8
+#if CONFIG_DEBUG_RAM_SETUP
+ sdram_dump_mchbar_registers();
+
+ {
+ /* This will not work if TSEG is in place! */
+ u32 tom = pci_read_config32(PCI_DEV(0,2,0), 0x5c);
+
+ printk(BIOS_DEBUG, "TOM: 0x%08x\n", tom);
+ ram_check(0x00000000, 0x000a0000);
+ ram_check(0x00100000, tom);
+ }
+#endif
+#endif
+#endif
+
+ MCHBAR16(SSKPD) = 0xCAFE;
+
+#if CONFIG_HAVE_ACPI_RESUME
+ /* Start address of high memory tables */
+ unsigned long high_ram_base = get_top_of_ram() - HIGH_MEMORY_SIZE;
+
+ /* If there is no high memory area, we didn't boot before, so
+ * this is not a resume. In that case we just create the cbmem toc.
+ */
+ if ((boot_mode == 2) && cbmem_reinit((u64)high_ram_base)) {
+ void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME);
+
+ /* copy 1MB - 64K to high tables ram_base to prevent memory corruption
+ * through stage 2. We could keep stuff like stack and heap in high tables
+ * memory completely, but that's a wonderful clean up task for another
+ * day.
+ */
+ if (resume_backup_memory)
+ memcpy(resume_backup_memory, (void *)CONFIG_RAMBASE, HIGH_MEMORY_SAVE);
+
+ /* Magic for S3 resume */
+ pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d);
+ }
+#endif
+ /* Set legacy Brightness control to full brightness */
+ pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, 0xff);
+}