This is so that people can see it. This is the sb600 for v3. It almost

certainly won't build -- that comes later. I am hoping to get some 
eyeballs on it for simple errors. 

rs690 is next. 

Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3630 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 265 insertions, 0 deletions

diff --git a/src/southbridge/amd/sb600/hda.c b/src/southbridge/amd/sb600/hda.c
new file mode 100644
index 0000000000..e507d21aee
--- /dev/null
+++ b/src/southbridge/amd/sb600/hda.c
@@ -0,0 +1,265 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 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 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 <types.h>
+#include <lib.h>
+#include <console.h>
+#include <device/pci.h>
+#include <msr.h>
+#include <legacy.h>
+#include <device/pci_ids.h>
+#include <statictree.h>
+#include <config.h>
+#include "sb600.h"
+
+static int set_bits(u8 * port, u32 mask, u32 val)
+{
+	u32 dword;
+	int count;
+
+	val &= mask;
+	dword = readl(port);
+	dword &= ~mask;
+	dword |= val;
+	writel(dword, port);
+
+	count = 50;
+	do {
+		dword = readl(port);
+		dword &= mask;
+		udelay(100);
+	} while ((dword != val) && --count);
+
+	if (!count)
+		return -1;
+
+	udelay(540);
+	return 0;
+}
+
+static int codec_detect(u8 * base)
+{
+	u32 dword;
+
+	/* 1 */
+	set_bits(base + 0x08, 1, 1);
+
+	/* 2 */
+	dword = readl(base + 0x0e);
+	dword |= 7;
+	writel(dword, base + 0x0e);
+
+	/* 3 */
+	set_bits(base + 0x08, 1, 0);
+
+	/* 4 */
+	set_bits(base + 0x08, 1, 1);
+
+	/* 5 */
+	dword = readl(base + 0xe);
+	dword &= 7;
+
+	/* 6 */
+	if (!dword) {
+		set_bits(base + 0x08, 1, 0);
+		printk(BIOS_DEBUG, "No codec!\n");
+		return 0;
+	}
+	return dword;
+
+}
+
+static u32 cim_verb_data[] = {
+	0x01471c10,
+	0x01471d40,
+	0x01471e01,
+	0x01471f01,
+/* 1 */
+	0x01571c12,
+	0x01571d10,
+	0x01571e01,
+	0x01571f01,
+/* 2 */
+	0x01671c11,
+	0x01671d60,
+	0x01671e01,
+	0x01671f01,
+/* 3 */
+	0x01771c14,
+	0x01771d20,
+	0x01771e01,
+	0x01771f01,
+/* 4 */
+	0x01871c30,
+	0x01871d90,
+	0x01871ea1,
+	0x01871f01,
+/* 5 */
+	0x01971cf0,
+	0x01971d11,
+	0x01971e11,
+	0x01971f41,
+/* 6 */
+	0x01a71c80,
+	0x01a71d30,
+	0x01a71e81,
+	0x01a71f01,
+/* 7 */
+	0x01b71cf0,
+	0x01b71d11,
+	0x01b71e11,
+	0x01b71f41,
+/* 8 */
+	0x01c71cf0,
+	0x01c71d11,
+	0x01c71e11,
+	0x01c71f41,
+/* 9 */
+	0x01d71cf0,
+	0x01d71d11,
+	0x01d71e11,
+	0x01d71f41,
+/* 10 */
+	0x01e71c50,
+	0x01e71d11,
+	0x01e71e44,
+	0x01e71f01,
+/* 11 */
+	0x01f71c60,
+	0x01f71d61,
+	0x01f71ec4,
+	0x01f71f01,
+};
+static unsigned find_verb(u32 viddid, u32 ** verb)
+{
+	struct device * azalia_dev = dev_find_slot(0, PCI_DEVFN(0x14, 2));
+	struct southbridge_amd_sb600_dts_config *cfg =
+	    (struct southbridge_amd_sb600_config *)azalia_dev->chip_info;
+	printk(BIOS_DEBUG, "Dev=%s\n", dev_path(azalia_dev));
+	printk(BIOS_DEBUG, "Default viddid=%x\n", cfg->hda_viddid);
+	printk(BIOS_DEBUG, "Reading viddid=%x\n", viddid);
+	if (!cfg)
+		return 0;
+	if (viddid != cfg->hda_viddid)
+		return 0;
+	*verb = (u32 *) cim_verb_data;
+	return sizeof(cim_verb_data) / sizeof(u32);
+}
+
+static void codec_init(u8 * base, int addr)
+{
+	u32 dword;
+	u32 *verb;
+	u32 verb_size;
+	int i;
+
+	/* 1 */
+	do {
+		dword = readl(base + 0x68);
+	} while (dword & 1);
+
+	dword = (addr << 28) | 0x000f0000;
+	writel(dword, base + 0x60);
+
+	do {
+		dword = readl(base + 0x68);
+	} while ((dword & 3) != 2);
+
+	dword = readl(base + 0x64);
+
+	/* 2 */
+	printk(BIOS_DEBUG, "codec viddid: %08x\n", dword);
+	verb_size = find_verb(dword, &verb);
+
+	if (!verb_size) {
+		printk(BIOS_DEBUG, "No verb!\n");
+		return;
+	}
+
+	printk(BIOS_DEBUG, "verb_size: %d\n", verb_size);
+	/* 3 */
+	for (i = 0; i < verb_size; i++) {
+		do {
+			dword = readl(base + 0x68);
+		} while (dword & 1);
+
+		writel(verb[i], base + 0x60);
+
+		do {
+			dword = readl(base + 0x68);
+		} while ((dword & 3) != 2);
+	}
+	printk(BIOS_DEBUG, "verb loaded!\n");
+}
+
+static void codecs_init(u8 * base, u32 codec_mask)
+{
+	int i;
+	for (i = 2; i >= 0; i--) {
+		if (codec_mask & (1 << i))
+			codec_init(base, i);
+	}
+}
+
+static void hda_init(struct device *dev)
+{
+	u8 *base;
+	struct resource *res;
+	u32 codec_mask;
+
+	/* SM Setting */
+	struct device * hda_dev;
+	hda_dev = dev_find_slot(0, PCI_DEVFN(0x14, 0));
+	/* Set routing pin */
+	pci_write_config32(dev, 0xf8, 0x0);
+	pci_write_config8(dev, 0xfc, 0xAA);
+	/* Set INTA */
+	pci_write_config8(dev, 0x63, 0x0);
+	/* Enable azalia, disable ac97 */
+	pm_iowrite(0x59, 0xB);
+
+	res = find_resource(dev, 0x10);
+	if (!res)
+		return;
+
+	base = (u8 *) ((u32)res->base);
+	printk(BIOS_DEBUG, "base = %08x\n", base);
+	codec_mask = codec_detect(base);
+
+	if (codec_mask) {
+		printk(BIOS_DEBUG, "codec_mask = %02x\n", codec_mask);
+		codecs_init(base, codec_mask);
+	}
+}
+
+static struct pci_operations lops_pci = {
+	.set_subsystem = pci_dev_set_subsystem,
+};
+
+struct device_operations sb600_hda = {
+	.id = {.type = DEVICE_ID_PCI,
+		{.pci = {.vendor = PCI_VENDOR_ID_ATI,
+			      .device = PCI_DEVICE_ID_ATI_SB600_HDA}}},
+	.constructor		 = default_device_constructor,
+	.phase4_read_resources	 = pci_dev_read_resources,
+	.phase4_set_resources	 = pci_dev_set_resources,
+	.phase5_enable_resources = pci_dev_enable_resources,
+	.phase6_init		 = hda_init,
+	.ops_pci          = &lops_pci
+};