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authorSven Schnelle <svens@stackframe.org>2012-07-11 21:47:11 +0200
committerPatrick Georgi <patrick@georgi-clan.de>2012-07-14 17:34:57 +0200
commit2d0d83c3dd41a95f5c27a2c7ecf0a3a8cdd5d0be (patch)
treec6b6b427c89127e7be18fce28f38abf4a9691b3d /src/mainboard/asus/dsbf/romstage.c
parent6fa1d3a218332230826a5a5ebd676017b30b5930 (diff)
Add ASUS DSBF mainboard
Change-Id: Iad38b92ca3a582e5aec07b92c994bfbe78b09855 Signed-off-by: Sven Schnelle <svens@stackframe.org> Reviewed-on: http://review.coreboot.org/1223 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src/mainboard/asus/dsbf/romstage.c')
-rw-r--r--src/mainboard/asus/dsbf/romstage.c147
1 files changed, 147 insertions, 0 deletions
diff --git a/src/mainboard/asus/dsbf/romstage.c b/src/mainboard/asus/dsbf/romstage.c
new file mode 100644
index 0000000000..5251025793
--- /dev/null
+++ b/src/mainboard/asus/dsbf/romstage.c
@@ -0,0 +1,147 @@
+/*
+ * 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
+ */
+
+#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 <console/console.h>
+#include <cpu/x86/bist.h>
+#include <superio/winbond/w83627hf/early_serial.c>
+#include <northbridge/intel/i5000/raminit.h>
+#include "northbridge/intel/i3100/i3100.h"
+#include "southbridge/intel/i3100/i3100.h"
+#include <southbridge/intel/i3100/early_smbus.c>
+
+#define DEVPRES_CONFIG (DEVPRES_D1F0 | DEVPRES_D2F0 | DEVPRES_D3F0)
+#define DEVPRES1_CONFIG (DEVPRES1_D0F1 | DEVPRES1_D8F0)
+
+#define RCBA_RPC 0x0224 /* 32 bit */
+#define RCBA_HPTC 0x3404 /* 32 bit */
+#define RCBA_GCS 0x3410 /* 32 bit */
+#define RCBA_FD 0x3418 /* 32 bit */
+
+static void early_config(void)
+{
+ u32 gcs, rpc, fd;
+
+ /* Enable RCBA */
+ pci_write_config32(PCI_DEV(0, 0x1F, 0), RCBA, DEFAULT_RCBA | 1);
+
+ /* Disable watchdog */
+ gcs = read32(DEFAULT_RCBA + RCBA_GCS);
+ gcs |= (1 << 5); /* No reset */
+ write32(DEFAULT_RCBA + RCBA_GCS, gcs);
+
+ /* Configure PCIe port B as 4x */
+ rpc = read32(DEFAULT_RCBA + RCBA_RPC);
+ rpc |= (3 << 0);
+ write32(DEFAULT_RCBA + RCBA_RPC, rpc);
+
+ /* Disable Modem, Audio, PCIe ports 2/3/4 */
+ fd = read32(DEFAULT_RCBA + RCBA_FD);
+ fd |= (1 << 19) | (1 << 18) | (1 << 17) | (1 << 6) | (1 << 5);
+ write32(DEFAULT_RCBA + RCBA_FD, fd);
+
+ /* Enable HPET */
+ write32(DEFAULT_RCBA + RCBA_HPTC, (1 << 7));
+
+ /* Setup sata mode */
+ pci_write_config8(PCI_DEV(0, 0x1F, 2), SATA_MAP, 0x40);
+}
+
+#define DEFAULT_GPIOBASE 0x1180
+static void setup_gpio(void)
+{
+ pci_write_config32(PCI_DEV(0, 31, 0), 0x48, DEFAULT_GPIOBASE | 1);
+ pci_write_config8(PCI_DEV(0, 31, 0), 0x4c, (1 << 4));
+
+ outl(0x1b0ce7c0, DEFAULT_GPIOBASE + 0x00); /* GPIO_USE_SEL */
+ outl(0xec00ffff, DEFAULT_GPIOBASE + 0x04); /* GP_IO_SEL */
+ outl(0xff350000, DEFAULT_GPIOBASE + 0x0c); /* GP_LVL */
+ outl(0x0000e742, DEFAULT_GPIOBASE + 0x2c); /* GPI_INV */
+ outl(0x00000006, DEFAULT_GPIOBASE + 0x30); /* GPIO_USE_SEL2 */
+ outl(0x00000300, DEFAULT_GPIOBASE + 0x34); /* GP_IO_SEL2 */
+ outl(0x00030301, DEFAULT_GPIOBASE + 0x38); /* GPIO_LVL2 */
+
+}
+
+static void i5000_lpc_config(void)
+{
+ pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x3f0f);
+}
+
+int mainboard_set_fbd_clock(int speed)
+{
+ switch(speed) {
+ case 533:
+ smbus_write_byte(0x6f, 0x80, 0x21);
+ return 0;
+ case 667:
+ smbus_write_byte(0x6f, 0x80, 0x23);
+ return 0;
+ default:
+ printk(BIOS_ERR, "Invalid clock: %dMHz\n", speed);
+ die("");
+ return -1;
+ }
+}
+
+void main(unsigned long bist)
+{
+ if (bist == 0)
+ enable_lapic();
+
+ i5000_lpc_config();
+
+ w83627hf_enable_serial(PNP_DEV(0x2e, 2), 0x3f8);
+
+ console_init();
+
+ /* Halt if there was a built in self test failure */
+ report_bist_failure(bist);
+
+ early_config();
+
+ setup_gpio();
+
+ enable_smbus();
+
+ /* setup PCIe MMCONF base address */
+ pci_write_config32(PCI_DEV(0, 16, 0), 0x64,
+ CONFIG_MMCONF_BASE_ADDRESS >> 16);
+
+ smbus_write_byte(0x6f, 0x00, 0x63);
+ smbus_write_byte(0x6f, 0x01, 0x04);
+ smbus_write_byte(0x6f, 0x02, 0x53);
+ smbus_write_byte(0x6f, 0x03, 0x39);
+ smbus_write_byte(0x6f, 0x08, 0x06);
+ smbus_write_byte(0x6f, 0x09, 0x00);
+
+ pci_write_config32(PCI_DEV(0, 0x1f, 0), 0xf0, DEFAULT_RCBA | 1);
+ i5000_fbdimm_init();
+ smbus_write_byte(0x69, 0x01, 0x01);
+}