nb/intel/i945: Initialize console in bootblock

Change-Id: Ic6ea158714998195614a63ee46a057f405de5616
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36796
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
diff --git a/src/mainboard/getac/p470/early_init.c b/src/mainboard/getac/p470/early_init.c
new file mode 100644
index 0000000..3684c1c
--- /dev/null
+++ b/src/mainboard/getac/p470/early_init.c
@@ -0,0 +1,155 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * 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.
+ */
+
+#include <bootblock_common.h>
+#include <stdint.h>
+#include <arch/io.h>
+#include <delay.h>
+#include <device/pnp_ops.h>
+#include <device/pci_ops.h>
+#include <pc80/mc146818rtc.h>
+#include <console/console.h>
+#include <northbridge/intel/i945/i945.h>
+#include <southbridge/intel/i82801gx/i82801gx.h>
+#include "option_table.h"
+
+void mainboard_pre_raminit_config(int s3_resume)
+{
+	u32 gpios;
+
+	printk(BIOS_SPEW, "\n  Initializing drive bay...\n");
+	gpios = inl(DEFAULT_GPIOBASE + 0x38); // GPIO Level 2
+	gpios |= (1 << 0); // GPIO33 = ODD
+	gpios |= (1 << 1); // GPIO34 = IDE_RST#
+	outl(gpios, DEFAULT_GPIOBASE + 0x38);	/* GP_LVL2 */
+
+	gpios = inl(DEFAULT_GPIOBASE + 0x0c); // GPIO Level
+	gpios &= ~(1 << 13);	// ??
+	outl(gpios, DEFAULT_GPIOBASE + 0x0c);	/* GP_LVL */
+
+	printk(BIOS_SPEW, "\n  Initializing Ethernet NIC...\n");
+	gpios = inl(DEFAULT_GPIOBASE + 0x0c); // GPIO Level
+	gpios &= ~(1 << 24);	// Enable LAN Power
+	outl(gpios, DEFAULT_GPIOBASE + 0x0c);	/* GP_LVL */
+}
+
+/* Override the default lpc decode ranges */
+void mainboard_lpc_decode(void)
+{
+	int lpt_en = 0;
+	if (read_option(lpt, 0) != 0)
+		lpt_en = LPT_LPC_EN;
+
+	// decode range
+	pci_write_config16(PCI_DEV(0, 0x1f, 0), LPC_IO_DEC, 0x0007);
+	// decode range
+	pci_update_config32(PCI_DEV(0, 0x1f, 0), LPC_EN, ~LPT_LPC_EN, lpt_en);
+}
+
+/* This box has two superios, so enabling serial becomes slightly excessive.
+ * We disable a lot of stuff to make sure that there are no conflicts between
+ * the two. Also set up the GPIOs from the beginning. This is the "no schematic
+ * but safe anyways" method.
+ */
+static void pnp_enter_ext_func_mode(pnp_devfn_t dev)
+{
+	unsigned int port = dev >> 8;
+	outb(0x55, port);
+}
+
+static void pnp_exit_ext_func_mode(pnp_devfn_t dev)
+{
+	unsigned int port = dev >> 8;
+	outb(0xaa, port);
+}
+
+void bootblock_mainboard_early_init(void)
+{
+	pnp_devfn_t dev;
+
+	dev = PNP_DEV(0x4e, 0x00);
+
+	pnp_enter_ext_func_mode(dev);
+	pnp_write_config(dev, 0x02, 0x0e); // UART power
+	pnp_write_config(dev, 0x1b, (0x3e8 >> 2)); // UART3 base
+	pnp_write_config(dev, 0x1c, (0x2e8 >> 2)); // UART4 base
+	pnp_write_config(dev, 0x1d, (5 << 4) | 11); // UART3,4 IRQ
+	pnp_write_config(dev, 0x1e, 1); // no 32khz clock
+	pnp_write_config(dev, 0x24, (0x3f8 >> 2)); // UART1 base
+	pnp_write_config(dev, 0x28, (4 << 4) | 0); // UART1,2 IRQ
+	pnp_write_config(dev, 0x2c, 0); // DMA0 FIR
+	pnp_write_config(dev, 0x30, (0x600 >> 4)); // Runtime Register Block Base
+
+	pnp_write_config(dev, 0x31, 0xce); // GPIO1 DIR
+	pnp_write_config(dev, 0x32, 0x00); // GPIO1 POL
+	pnp_write_config(dev, 0x33, 0x0f); // GPIO2 DIR
+	pnp_write_config(dev, 0x34, 0x00); // GPIO2 POL
+	pnp_write_config(dev, 0x35, 0xa8); // GPIO3 DIR
+	pnp_write_config(dev, 0x36, 0x00); // GPIO3 POL
+	pnp_write_config(dev, 0x37, 0xa8); // GPIO4 DIR
+	pnp_write_config(dev, 0x38, 0x00); // GPIO4 POL
+
+	pnp_write_config(dev, 0x39, 0x00); // GPIO1 OUT
+	pnp_write_config(dev, 0x40, 0x80); // GPIO2/MISC OUT
+	pnp_write_config(dev, 0x41, 0x00); // GPIO5 OUT
+	pnp_write_config(dev, 0x42, 0xa8); // GPIO5 DIR
+	pnp_write_config(dev, 0x43, 0x00); // GPIO5 POL
+	pnp_write_config(dev, 0x44, 0x00); // GPIO ALT1
+	pnp_write_config(dev, 0x45, 0x50); // GPIO ALT2
+	pnp_write_config(dev, 0x46, 0x00); // GPIO ALT3
+
+	pnp_write_config(dev, 0x48, 0x55); // GPIO ALT5
+	pnp_write_config(dev, 0x49, 0x55); // GPIO ALT6
+	pnp_write_config(dev, 0x4a, 0x55); // GPIO ALT7
+	pnp_write_config(dev, 0x4b, 0x55); // GPIO ALT8
+	pnp_write_config(dev, 0x4c, 0x55); // GPIO ALT9
+	pnp_write_config(dev, 0x4d, 0x55); // GPIO ALT10
+
+	pnp_exit_ext_func_mode(dev);
+}
+
+void mainboard_late_rcba_config(void)
+{
+	/* Set up virtual channel 0 */
+	//RCBA32(0x0014) = 0x80000001;
+
+	/* Device 1f interrupt pin register */
+	RCBA32(D31IP) = 0x00042220;
+	/* Device 1d interrupt pin register */
+	RCBA32(D28IP) = 0x00214321;
+
+	/* dev irq route register */
+	RCBA16(D31IR) = 0x0232;
+	RCBA16(D30IR) = 0x3246;
+	RCBA16(D29IR) = 0x0237;
+	RCBA16(D28IR) = 0x3201;
+	RCBA16(D27IR) = 0x3216;
+
+	/* Disable unused devices */
+	RCBA32(FD) |= FD_INTLAN;
+
+	/* Enable PCIe Root Port Clock Gate */
+	// RCBA32(0x341c) = 0x00000001;
+
+	/* This should probably go into the ACPI enable trap */
+	/* 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;
+}