[PATCH 04/10] drm/ast: Move Gen4+ POST code to separate source file

Thomas Zimmermann tzimmermann at suse.de
Wed Jul 2 13:12:52 UTC 2025


Move POST code for Gen4+ to separate source file and hide it in
ast_2300_post(). With P2A configuration, it performs a full board
POST and enables the transmitter chip; otherwise it only enables the
transmitter chip.

Also fix coding style in several places. No changes to the overall
logic.

Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
---
 drivers/gpu/drm/ast/Makefile   |    1 +
 drivers/gpu/drm/ast/ast_2300.c | 1295 ++++++++++++++++++++++++++++++++
 drivers/gpu/drm/ast/ast_drv.h  |    3 +
 drivers/gpu/drm/ast/ast_post.c | 1265 +------------------------------
 4 files changed, 1302 insertions(+), 1262 deletions(-)
 create mode 100644 drivers/gpu/drm/ast/ast_2300.c

diff --git a/drivers/gpu/drm/ast/Makefile b/drivers/gpu/drm/ast/Makefile
index 38374720e32e..ccb2ff3e8eac 100644
--- a/drivers/gpu/drm/ast/Makefile
+++ b/drivers/gpu/drm/ast/Makefile
@@ -4,6 +4,7 @@
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
 
 ast-y := \
+	ast_2300.o \
 	ast_2500.o \
 	ast_2600.o \
 	ast_cursor.o \
diff --git a/drivers/gpu/drm/ast/ast_2300.c b/drivers/gpu/drm/ast/ast_2300.c
new file mode 100644
index 000000000000..7a2c3fde09d2
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_2300.c
@@ -0,0 +1,1295 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ */
+/*
+ * Authors: Dave Airlie <airlied at redhat.com>
+ */
+
+#include <linux/delay.h>
+
+#include "ast_drv.h"
+#include "ast_post.h"
+
+/*
+ *  POST
+ */
+
+/* AST 2300 DRAM settings */
+#define AST_DDR3 0
+#define AST_DDR2 1
+
+struct ast2300_dram_param {
+	u32 dram_type;
+	u32 dram_chipid;
+	u32 dram_freq;
+	u32 vram_size;
+	u32 odt;
+	u32 wodt;
+	u32 rodt;
+	u32 dram_config;
+	u32 reg_PERIOD;
+	u32 reg_MADJ;
+	u32 reg_SADJ;
+	u32 reg_MRS;
+	u32 reg_EMRS;
+	u32 reg_AC1;
+	u32 reg_AC2;
+	u32 reg_DQSIC;
+	u32 reg_DRV;
+	u32 reg_IOZ;
+	u32 reg_DQIDLY;
+	u32 reg_FREQ;
+	u32 madj_max;
+	u32 dll2_finetune_step;
+};
+
+/*
+ * DQSI DLL CBR Setting
+ */
+#define CBR_SIZE0            ((1  << 10) - 1)
+#define CBR_SIZE1            ((4  << 10) - 1)
+#define CBR_SIZE2            ((64 << 10) - 1)
+#define CBR_PASSNUM          5
+#define CBR_PASSNUM2         5
+#define CBR_THRESHOLD        10
+#define CBR_THRESHOLD2       10
+#define TIMEOUT              5000000
+#define CBR_PATNUM           8
+
+static const u32 pattern[8] = {
+	0xFF00FF00,
+	0xCC33CC33,
+	0xAA55AA55,
+	0x88778877,
+	0x92CC4D6E,
+	0x543D3CDE,
+	0xF1E843C7,
+	0x7C61D253
+};
+
+static u32 mmc_test2(struct ast_device *ast, u32 datagen, u8 test_ctl)
+{
+	u32 data, timeout;
+
+	ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
+	ast_moutdwm(ast, 0x1e6e0070, (datagen << 3) | test_ctl);
+	timeout = 0;
+	do {
+		data = ast_mindwm(ast, 0x1e6e0070) & 0x1000;
+		if (++timeout > TIMEOUT) {
+			ast_moutdwm(ast, 0x1e6e0070, 0x0);
+			return 0xffffffff;
+		}
+	} while (!data);
+	data = ast_mindwm(ast, 0x1e6e0078);
+	data = (data | (data >> 16)) & 0xffff;
+	ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
+	return data;
+}
+
+static u32 mmc_test_burst2(struct ast_device *ast, u32 datagen)
+{
+	return mmc_test2(ast, datagen, 0x41);
+}
+
+static bool mmc_test_single(struct ast_device *ast, u32 datagen)
+{
+	return mmc_test(ast, datagen, 0xc5);
+}
+
+static u32 mmc_test_single2(struct ast_device *ast, u32 datagen)
+{
+	return mmc_test2(ast, datagen, 0x05);
+}
+
+static int cbr_test(struct ast_device *ast)
+{
+	u32 data;
+	int i;
+
+	data = mmc_test_single2(ast, 0);
+	if ((data & 0xff) && (data & 0xff00))
+		return 0;
+	for (i = 0; i < 8; i++) {
+		data = mmc_test_burst2(ast, i);
+		if ((data & 0xff) && (data & 0xff00))
+			return 0;
+	}
+	if (!data)
+		return 3;
+	else if (data & 0xff)
+		return 2;
+	return 1;
+}
+
+static int cbr_scan(struct ast_device *ast)
+{
+	u32 data, data2, patcnt, loop;
+
+	data2 = 3;
+	for (patcnt = 0; patcnt < CBR_PATNUM; patcnt++) {
+		ast_moutdwm(ast, 0x1e6e007c, pattern[patcnt]);
+		for (loop = 0; loop < CBR_PASSNUM2; loop++) {
+			data = cbr_test(ast);
+			if (data != 0) {
+				data2 &= data;
+				if (!data2)
+					return 0;
+				break;
+			}
+		}
+		if (loop == CBR_PASSNUM2)
+			return 0;
+	}
+	return data2;
+}
+
+static u32 cbr_test2(struct ast_device *ast)
+{
+	u32 data;
+
+	data = mmc_test_burst2(ast, 0);
+	if (data == 0xffff)
+		return 0;
+	data |= mmc_test_single2(ast, 0);
+	if (data == 0xffff)
+		return 0;
+
+	return ~data & 0xffff;
+}
+
+static u32 cbr_scan2(struct ast_device *ast)
+{
+	u32 data, data2, patcnt, loop;
+
+	data2 = 0xffff;
+	for (patcnt = 0; patcnt < CBR_PATNUM; patcnt++) {
+		ast_moutdwm(ast, 0x1e6e007c, pattern[patcnt]);
+		for (loop = 0; loop < CBR_PASSNUM2; loop++) {
+			data = cbr_test2(ast);
+			if (data != 0) {
+				data2 &= data;
+				if (!data2)
+					return 0;
+				break;
+			}
+		}
+		if (loop == CBR_PASSNUM2)
+			return 0;
+	}
+	return data2;
+}
+
+static bool cbr_test3(struct ast_device *ast)
+{
+	if (!mmc_test_burst(ast, 0))
+		return false;
+	if (!mmc_test_single(ast, 0))
+		return false;
+	return true;
+}
+
+static bool cbr_scan3(struct ast_device *ast)
+{
+	u32 patcnt, loop;
+
+	for (patcnt = 0; patcnt < CBR_PATNUM; patcnt++) {
+		ast_moutdwm(ast, 0x1e6e007c, pattern[patcnt]);
+		for (loop = 0; loop < 2; loop++) {
+			if (cbr_test3(ast))
+				break;
+		}
+		if (loop == 2)
+			return false;
+	}
+	return true;
+}
+
+static bool finetuneDQI_L(struct ast_device *ast, struct ast2300_dram_param *param)
+{
+	u32 gold_sadj[2], dllmin[16], dllmax[16], dlli, data, cnt, mask, passcnt, retry = 0;
+	bool status = false;
+FINETUNE_START:
+	for (cnt = 0; cnt < 16; cnt++) {
+		dllmin[cnt] = 0xff;
+		dllmax[cnt] = 0x0;
+	}
+	passcnt = 0;
+	for (dlli = 0; dlli < 76; dlli++) {
+		ast_moutdwm(ast, 0x1E6E0068, 0x00001400 | (dlli << 16) | (dlli << 24));
+		ast_moutdwm(ast, 0x1E6E0074, CBR_SIZE1);
+		data = cbr_scan2(ast);
+		if (data != 0) {
+			mask = 0x00010001;
+			for (cnt = 0; cnt < 16; cnt++) {
+				if (data & mask) {
+					if (dllmin[cnt] > dlli)
+						dllmin[cnt] = dlli;
+					if (dllmax[cnt] < dlli)
+						dllmax[cnt] = dlli;
+				}
+				mask <<= 1;
+			}
+			passcnt++;
+		} else if (passcnt >= CBR_THRESHOLD2) {
+			break;
+		}
+	}
+	gold_sadj[0] = 0x0;
+	passcnt = 0;
+	for (cnt = 0; cnt < 16; cnt++) {
+		if ((dllmax[cnt] > dllmin[cnt]) &&
+		    ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) {
+			gold_sadj[0] += dllmin[cnt];
+			passcnt++;
+		}
+	}
+	if (retry++ > 10)
+		goto FINETUNE_DONE;
+	if (passcnt != 16)
+		goto FINETUNE_START;
+	status = true;
+FINETUNE_DONE:
+	gold_sadj[0] = gold_sadj[0] >> 4;
+	gold_sadj[1] = gold_sadj[0];
+
+	data = 0;
+	for (cnt = 0; cnt < 8; cnt++) {
+		data >>= 3;
+		if ((dllmax[cnt] > dllmin[cnt]) &&
+		    ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) {
+			dlli = dllmin[cnt];
+			if (gold_sadj[0] >= dlli) {
+				dlli = ((gold_sadj[0] - dlli) * 19) >> 5;
+				if (dlli > 3)
+					dlli = 3;
+			} else {
+				dlli = ((dlli - gold_sadj[0]) * 19) >> 5;
+				if (dlli > 4)
+					dlli = 4;
+				dlli = (8 - dlli) & 0x7;
+			}
+			data |= dlli << 21;
+		}
+	}
+	ast_moutdwm(ast, 0x1E6E0080, data);
+
+	data = 0;
+	for (cnt = 8; cnt < 16; cnt++) {
+		data >>= 3;
+		if ((dllmax[cnt] > dllmin[cnt]) &&
+		    ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) {
+			dlli = dllmin[cnt];
+			if (gold_sadj[1] >= dlli) {
+				dlli = ((gold_sadj[1] - dlli) * 19) >> 5;
+				if (dlli > 3)
+					dlli = 3;
+				else
+					dlli = (dlli - 1) & 0x7;
+			} else {
+				dlli = ((dlli - gold_sadj[1]) * 19) >> 5;
+				dlli += 1;
+				if (dlli > 4)
+					dlli = 4;
+				dlli = (8 - dlli) & 0x7;
+			}
+			data |= dlli << 21;
+		}
+	}
+	ast_moutdwm(ast, 0x1E6E0084, data);
+	return status;
+} /* finetuneDQI_L */
+
+static void finetuneDQSI(struct ast_device *ast)
+{
+	u32 dlli, dqsip, dqidly;
+	u32 reg_mcr18, reg_mcr0c, passcnt[2], diff;
+	u32 g_dqidly, g_dqsip, g_margin, g_side;
+	u16 pass[32][2][2];
+	char tag[2][76];
+
+	/* Disable DQI CBR */
+	reg_mcr0c  = ast_mindwm(ast, 0x1E6E000C);
+	reg_mcr18  = ast_mindwm(ast, 0x1E6E0018);
+	reg_mcr18 &= 0x0000ffff;
+	ast_moutdwm(ast, 0x1E6E0018, reg_mcr18);
+
+	for (dlli = 0; dlli < 76; dlli++) {
+		tag[0][dlli] = 0x0;
+		tag[1][dlli] = 0x0;
+	}
+	for (dqidly = 0; dqidly < 32; dqidly++) {
+		pass[dqidly][0][0] = 0xff;
+		pass[dqidly][0][1] = 0x0;
+		pass[dqidly][1][0] = 0xff;
+		pass[dqidly][1][1] = 0x0;
+	}
+	for (dqidly = 0; dqidly < 32; dqidly++) {
+		passcnt[0] = 0;
+		passcnt[1] = 0;
+		for (dqsip = 0; dqsip < 2; dqsip++) {
+			ast_moutdwm(ast, 0x1E6E000C, 0);
+			ast_moutdwm(ast, 0x1E6E0018, reg_mcr18 | (dqidly << 16) | (dqsip << 23));
+			ast_moutdwm(ast, 0x1E6E000C, reg_mcr0c);
+			for (dlli = 0; dlli < 76; dlli++) {
+				ast_moutdwm(ast, 0x1E6E0068,
+					    0x00001300 | (dlli << 16) | (dlli << 24));
+				ast_moutdwm(ast, 0x1E6E0070, 0);
+				ast_moutdwm(ast, 0x1E6E0074, CBR_SIZE0);
+				if (cbr_scan3(ast)) {
+					if (dlli == 0)
+						break;
+					passcnt[dqsip]++;
+					tag[dqsip][dlli] = 'P';
+					if (dlli < pass[dqidly][dqsip][0])
+						pass[dqidly][dqsip][0] = (u16)dlli;
+					if (dlli > pass[dqidly][dqsip][1])
+						pass[dqidly][dqsip][1] = (u16)dlli;
+				} else if (passcnt[dqsip] >= 5) {
+					break;
+				} else {
+					pass[dqidly][dqsip][0] = 0xff;
+					pass[dqidly][dqsip][1] = 0x0;
+				}
+			}
+		}
+		if (passcnt[0] == 0 && passcnt[1] == 0)
+			dqidly++;
+	}
+	/* Search margin */
+	g_dqidly = 0;
+	g_dqsip = 0;
+	g_margin = 0;
+	g_side = 0;
+
+	for (dqidly = 0; dqidly < 32; dqidly++) {
+		for (dqsip = 0; dqsip < 2; dqsip++) {
+			if (pass[dqidly][dqsip][0] > pass[dqidly][dqsip][1])
+				continue;
+			diff = pass[dqidly][dqsip][1] - pass[dqidly][dqsip][0];
+			if ((diff + 2) < g_margin)
+				continue;
+			passcnt[0] = 0;
+			passcnt[1] = 0;
+			for (dlli = pass[dqidly][dqsip][0];
+			     dlli > 0 && tag[dqsip][dlli] != 0;
+			     dlli--, passcnt[0]++) {
+			}
+			for (dlli = pass[dqidly][dqsip][1];
+			     dlli < 76 && tag[dqsip][dlli] != 0;
+			     dlli++, passcnt[1]++) {
+			}
+			if (passcnt[0] > passcnt[1])
+				passcnt[0] = passcnt[1];
+			passcnt[1] = 0;
+			if (passcnt[0] > g_side)
+				passcnt[1] = passcnt[0] - g_side;
+			if (diff > (g_margin + 1) && (passcnt[1] > 0 || passcnt[0] > 8)) {
+				g_margin = diff;
+				g_dqidly = dqidly;
+				g_dqsip  = dqsip;
+				g_side   = passcnt[0];
+			} else if (passcnt[1] > 1 && g_side < 8) {
+				if (diff > g_margin)
+					g_margin = diff;
+				g_dqidly = dqidly;
+				g_dqsip  = dqsip;
+				g_side   = passcnt[0];
+			}
+		}
+	}
+	reg_mcr18 = reg_mcr18 | (g_dqidly << 16) | (g_dqsip << 23);
+	ast_moutdwm(ast, 0x1E6E0018, reg_mcr18);
+}
+
+static bool cbr_dll2(struct ast_device *ast, struct ast2300_dram_param *param)
+{
+	u32 dllmin[2], dllmax[2], dlli, data, passcnt, retry = 0;
+	bool status = false;
+
+	finetuneDQSI(ast);
+	if (finetuneDQI_L(ast, param) == false)
+		return status;
+
+CBR_START2:
+	dllmin[0] = 0xff;
+	dllmin[1] = 0xff;
+	dllmax[0] = 0x0;
+	dllmax[1] = 0x0;
+	passcnt = 0;
+	for (dlli = 0; dlli < 76; dlli++) {
+		ast_moutdwm(ast, 0x1E6E0068, 0x00001300 | (dlli << 16) | (dlli << 24));
+		ast_moutdwm(ast, 0x1E6E0074, CBR_SIZE2);
+		data = cbr_scan(ast);
+		if (data != 0) {
+			if (data & 0x1) {
+				if (dllmin[0] > dlli)
+					dllmin[0] = dlli;
+				if (dllmax[0] < dlli)
+					dllmax[0] = dlli;
+			}
+			if (data & 0x2) {
+				if (dllmin[1] > dlli)
+					dllmin[1] = dlli;
+				if (dllmax[1] < dlli)
+					dllmax[1] = dlli;
+			}
+			passcnt++;
+		} else if (passcnt >= CBR_THRESHOLD) {
+			break;
+		}
+	}
+	if (retry++ > 10)
+		goto CBR_DONE2;
+	if (dllmax[0] == 0 || (dllmax[0] - dllmin[0]) < CBR_THRESHOLD)
+		goto CBR_START2;
+	if (dllmax[1] == 0 || (dllmax[1] - dllmin[1]) < CBR_THRESHOLD)
+		goto CBR_START2;
+	status = true;
+CBR_DONE2:
+	dlli  = (dllmin[1] + dllmax[1]) >> 1;
+	dlli <<= 8;
+	dlli += (dllmin[0] + dllmax[0]) >> 1;
+	ast_moutdwm(ast, 0x1E6E0068, ast_mindwm(ast, 0x1E720058) | (dlli << 16));
+	return status;
+} /* CBRDLL2 */
+
+static void get_ddr3_info(struct ast_device *ast, struct ast2300_dram_param *param)
+{
+	u32 trap, trap_AC2, trap_MRS;
+
+	ast_moutdwm(ast, 0x1E6E2000, 0x1688A8A8);
+
+	/* Ger trap info */
+	trap = (ast_mindwm(ast, 0x1E6E2070) >> 25) & 0x3;
+	trap_AC2  = 0x00020000 + (trap << 16);
+	trap_AC2 |= 0x00300000 + ((trap & 0x2) << 19);
+	trap_MRS  = 0x00000010 + (trap << 4);
+	trap_MRS |= ((trap & 0x2) << 18);
+
+	param->reg_MADJ       = 0x00034C4C;
+	param->reg_SADJ       = 0x00001800;
+	param->reg_DRV        = 0x000000F0;
+	param->reg_PERIOD     = param->dram_freq;
+	param->rodt           = 0;
+
+	switch (param->dram_freq) {
+	case 336:
+		ast_moutdwm(ast, 0x1E6E2020, 0x0190);
+		param->wodt          = 0;
+		param->reg_AC1       = 0x22202725;
+		param->reg_AC2       = 0xAA007613 | trap_AC2;
+		param->reg_DQSIC     = 0x000000BA;
+		param->reg_MRS       = 0x04001400 | trap_MRS;
+		param->reg_EMRS      = 0x00000000;
+		param->reg_IOZ       = 0x00000023;
+		param->reg_DQIDLY    = 0x00000074;
+		param->reg_FREQ      = 0x00004DC0;
+		param->madj_max      = 96;
+		param->dll2_finetune_step = 3;
+		switch (param->dram_chipid) {
+		default:
+		case AST_DRAM_512Mx16:
+		case AST_DRAM_1Gx16:
+			param->reg_AC2   = 0xAA007613 | trap_AC2;
+			break;
+		case AST_DRAM_2Gx16:
+			param->reg_AC2   = 0xAA00761C | trap_AC2;
+			break;
+		case AST_DRAM_4Gx16:
+			param->reg_AC2   = 0xAA007636 | trap_AC2;
+			break;
+		}
+		break;
+	default:
+	case 396:
+		ast_moutdwm(ast, 0x1E6E2020, 0x03F1);
+		param->wodt          = 1;
+		param->reg_AC1       = 0x33302825;
+		param->reg_AC2       = 0xCC009617 | trap_AC2;
+		param->reg_DQSIC     = 0x000000E2;
+		param->reg_MRS       = 0x04001600 | trap_MRS;
+		param->reg_EMRS      = 0x00000000;
+		param->reg_IOZ       = 0x00000034;
+		param->reg_DRV       = 0x000000FA;
+		param->reg_DQIDLY    = 0x00000089;
+		param->reg_FREQ      = 0x00005040;
+		param->madj_max      = 96;
+		param->dll2_finetune_step = 4;
+
+		switch (param->dram_chipid) {
+		default:
+		case AST_DRAM_512Mx16:
+		case AST_DRAM_1Gx16:
+			param->reg_AC2   = 0xCC009617 | trap_AC2;
+			break;
+		case AST_DRAM_2Gx16:
+			param->reg_AC2   = 0xCC009622 | trap_AC2;
+			break;
+		case AST_DRAM_4Gx16:
+			param->reg_AC2   = 0xCC00963F | trap_AC2;
+			break;
+		}
+		break;
+
+	case 408:
+		ast_moutdwm(ast, 0x1E6E2020, 0x01F0);
+		param->wodt          = 1;
+		param->reg_AC1       = 0x33302825;
+		param->reg_AC2       = 0xCC009617 | trap_AC2;
+		param->reg_DQSIC     = 0x000000E2;
+		param->reg_MRS       = 0x04001600 | trap_MRS;
+		param->reg_EMRS      = 0x00000000;
+		param->reg_IOZ       = 0x00000023;
+		param->reg_DRV       = 0x000000FA;
+		param->reg_DQIDLY    = 0x00000089;
+		param->reg_FREQ      = 0x000050C0;
+		param->madj_max      = 96;
+		param->dll2_finetune_step = 4;
+
+		switch (param->dram_chipid) {
+		default:
+		case AST_DRAM_512Mx16:
+		case AST_DRAM_1Gx16:
+			param->reg_AC2   = 0xCC009617 | trap_AC2;
+			break;
+		case AST_DRAM_2Gx16:
+			param->reg_AC2   = 0xCC009622 | trap_AC2;
+			break;
+		case AST_DRAM_4Gx16:
+			param->reg_AC2   = 0xCC00963F | trap_AC2;
+			break;
+		}
+
+		break;
+	case 456:
+		ast_moutdwm(ast, 0x1E6E2020, 0x0230);
+		param->wodt          = 0;
+		param->reg_AC1       = 0x33302926;
+		param->reg_AC2       = 0xCD44961A;
+		param->reg_DQSIC     = 0x000000FC;
+		param->reg_MRS       = 0x00081830;
+		param->reg_EMRS      = 0x00000000;
+		param->reg_IOZ       = 0x00000045;
+		param->reg_DQIDLY    = 0x00000097;
+		param->reg_FREQ      = 0x000052C0;
+		param->madj_max      = 88;
+		param->dll2_finetune_step = 4;
+		break;
+	case 504:
+		ast_moutdwm(ast, 0x1E6E2020, 0x0270);
+		param->wodt          = 1;
+		param->reg_AC1       = 0x33302926;
+		param->reg_AC2       = 0xDE44A61D;
+		param->reg_DQSIC     = 0x00000117;
+		param->reg_MRS       = 0x00081A30;
+		param->reg_EMRS      = 0x00000000;
+		param->reg_IOZ       = 0x070000BB;
+		param->reg_DQIDLY    = 0x000000A0;
+		param->reg_FREQ      = 0x000054C0;
+		param->madj_max      = 79;
+		param->dll2_finetune_step = 4;
+		break;
+	case 528:
+		ast_moutdwm(ast, 0x1E6E2020, 0x0290);
+		param->wodt          = 1;
+		param->rodt          = 1;
+		param->reg_AC1       = 0x33302926;
+		param->reg_AC2       = 0xEF44B61E;
+		param->reg_DQSIC     = 0x00000125;
+		param->reg_MRS       = 0x00081A30;
+		param->reg_EMRS      = 0x00000040;
+		param->reg_DRV       = 0x000000F5;
+		param->reg_IOZ       = 0x00000023;
+		param->reg_DQIDLY    = 0x00000088;
+		param->reg_FREQ      = 0x000055C0;
+		param->madj_max      = 76;
+		param->dll2_finetune_step = 3;
+		break;
+	case 576:
+		ast_moutdwm(ast, 0x1E6E2020, 0x0140);
+		param->reg_MADJ      = 0x00136868;
+		param->reg_SADJ      = 0x00004534;
+		param->wodt          = 1;
+		param->rodt          = 1;
+		param->reg_AC1       = 0x33302A37;
+		param->reg_AC2       = 0xEF56B61E;
+		param->reg_DQSIC     = 0x0000013F;
+		param->reg_MRS       = 0x00101A50;
+		param->reg_EMRS      = 0x00000040;
+		param->reg_DRV       = 0x000000FA;
+		param->reg_IOZ       = 0x00000023;
+		param->reg_DQIDLY    = 0x00000078;
+		param->reg_FREQ      = 0x000057C0;
+		param->madj_max      = 136;
+		param->dll2_finetune_step = 3;
+		break;
+	case 600:
+		ast_moutdwm(ast, 0x1E6E2020, 0x02E1);
+		param->reg_MADJ      = 0x00136868;
+		param->reg_SADJ      = 0x00004534;
+		param->wodt          = 1;
+		param->rodt          = 1;
+		param->reg_AC1       = 0x32302A37;
+		param->reg_AC2       = 0xDF56B61F;
+		param->reg_DQSIC     = 0x0000014D;
+		param->reg_MRS       = 0x00101A50;
+		param->reg_EMRS      = 0x00000004;
+		param->reg_DRV       = 0x000000F5;
+		param->reg_IOZ       = 0x00000023;
+		param->reg_DQIDLY    = 0x00000078;
+		param->reg_FREQ      = 0x000058C0;
+		param->madj_max      = 132;
+		param->dll2_finetune_step = 3;
+		break;
+	case 624:
+		ast_moutdwm(ast, 0x1E6E2020, 0x0160);
+		param->reg_MADJ      = 0x00136868;
+		param->reg_SADJ      = 0x00004534;
+		param->wodt          = 1;
+		param->rodt          = 1;
+		param->reg_AC1       = 0x32302A37;
+		param->reg_AC2       = 0xEF56B621;
+		param->reg_DQSIC     = 0x0000015A;
+		param->reg_MRS       = 0x02101A50;
+		param->reg_EMRS      = 0x00000004;
+		param->reg_DRV       = 0x000000F5;
+		param->reg_IOZ       = 0x00000034;
+		param->reg_DQIDLY    = 0x00000078;
+		param->reg_FREQ      = 0x000059C0;
+		param->madj_max      = 128;
+		param->dll2_finetune_step = 3;
+		break;
+	} /* switch freq */
+
+	switch (param->dram_chipid) {
+	case AST_DRAM_512Mx16:
+		param->dram_config = 0x130;
+		break;
+	default:
+	case AST_DRAM_1Gx16:
+		param->dram_config = 0x131;
+		break;
+	case AST_DRAM_2Gx16:
+		param->dram_config = 0x132;
+		break;
+	case AST_DRAM_4Gx16:
+		param->dram_config = 0x133;
+		break;
+	} /* switch size */
+
+	switch (param->vram_size) {
+	default:
+	case SZ_8M:
+		param->dram_config |= 0x00;
+		break;
+	case SZ_16M:
+		param->dram_config |= 0x04;
+		break;
+	case SZ_32M:
+		param->dram_config |= 0x08;
+		break;
+	case SZ_64M:
+		param->dram_config |= 0x0c;
+		break;
+	}
+}
+
+static void ddr3_init(struct ast_device *ast, struct ast2300_dram_param *param)
+{
+	u32 data, data2, retry = 0;
+
+ddr3_init_start:
+	ast_moutdwm(ast, 0x1E6E0000, 0xFC600309);
+	ast_moutdwm(ast, 0x1E6E0018, 0x00000100);
+	ast_moutdwm(ast, 0x1E6E0024, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0034, 0x00000000);
+	udelay(10);
+	ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ);
+	ast_moutdwm(ast, 0x1E6E0068, param->reg_SADJ);
+	udelay(10);
+	ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ | 0xC0000);
+	udelay(10);
+
+	ast_moutdwm(ast, 0x1E6E0004, param->dram_config);
+	ast_moutdwm(ast, 0x1E6E0008, 0x90040f);
+	ast_moutdwm(ast, 0x1E6E0010, param->reg_AC1);
+	ast_moutdwm(ast, 0x1E6E0014, param->reg_AC2);
+	ast_moutdwm(ast, 0x1E6E0020, param->reg_DQSIC);
+	ast_moutdwm(ast, 0x1E6E0080, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0084, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0088, param->reg_DQIDLY);
+	ast_moutdwm(ast, 0x1E6E0018, 0x4000A170);
+	ast_moutdwm(ast, 0x1E6E0018, 0x00002370);
+	ast_moutdwm(ast, 0x1E6E0038, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0040, 0xFF444444);
+	ast_moutdwm(ast, 0x1E6E0044, 0x22222222);
+	ast_moutdwm(ast, 0x1E6E0048, 0x22222222);
+	ast_moutdwm(ast, 0x1E6E004C, 0x00000002);
+	ast_moutdwm(ast, 0x1E6E0050, 0x80000000);
+	ast_moutdwm(ast, 0x1E6E0050, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0054, 0);
+	ast_moutdwm(ast, 0x1E6E0060, param->reg_DRV);
+	ast_moutdwm(ast, 0x1E6E006C, param->reg_IOZ);
+	ast_moutdwm(ast, 0x1E6E0070, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0074, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0078, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E007C, 0x00000000);
+	/* Wait MCLK2X lock to MCLK */
+	do {
+		data = ast_mindwm(ast, 0x1E6E001C);
+	} while (!(data & 0x08000000));
+	data = ast_mindwm(ast, 0x1E6E001C);
+	data = (data >> 8) & 0xff;
+	while ((data & 0x08) || ((data & 0x7) < 2) || (data < 4)) {
+		data2 = (ast_mindwm(ast, 0x1E6E0064) & 0xfff3ffff) + 4;
+		if ((data2 & 0xff) > param->madj_max)
+			break;
+		ast_moutdwm(ast, 0x1E6E0064, data2);
+		if (data2 & 0x00100000)
+			data2 = ((data2 & 0xff) >> 3) + 3;
+		else
+			data2 = ((data2 & 0xff) >> 2) + 5;
+		data = ast_mindwm(ast, 0x1E6E0068) & 0xffff00ff;
+		data2 += data & 0xff;
+		data = data | (data2 << 8);
+		ast_moutdwm(ast, 0x1E6E0068, data);
+		udelay(10);
+		ast_moutdwm(ast, 0x1E6E0064, ast_mindwm(ast, 0x1E6E0064) | 0xC0000);
+		udelay(10);
+		data = ast_mindwm(ast, 0x1E6E0018) & 0xfffff1ff;
+		ast_moutdwm(ast, 0x1E6E0018, data);
+		data = data | 0x200;
+		ast_moutdwm(ast, 0x1E6E0018, data);
+		do {
+			data = ast_mindwm(ast, 0x1E6E001C);
+		} while (!(data & 0x08000000));
+
+		data = ast_mindwm(ast, 0x1E6E001C);
+		data = (data >> 8) & 0xff;
+	}
+	ast_moutdwm(ast, 0x1E720058, ast_mindwm(ast, 0x1E6E0068) & 0xffff);
+	data = ast_mindwm(ast, 0x1E6E0018) | 0xC00;
+	ast_moutdwm(ast, 0x1E6E0018, data);
+
+	ast_moutdwm(ast, 0x1E6E0034, 0x00000001);
+	ast_moutdwm(ast, 0x1E6E000C, 0x00000040);
+	udelay(50);
+	/* Mode Register Setting */
+	ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS | 0x100);
+	ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS);
+	ast_moutdwm(ast, 0x1E6E0028, 0x00000005);
+	ast_moutdwm(ast, 0x1E6E0028, 0x00000007);
+	ast_moutdwm(ast, 0x1E6E0028, 0x00000003);
+	ast_moutdwm(ast, 0x1E6E0028, 0x00000001);
+	ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS);
+	ast_moutdwm(ast, 0x1E6E000C, 0x00005C08);
+	ast_moutdwm(ast, 0x1E6E0028, 0x00000001);
+
+	ast_moutdwm(ast, 0x1E6E000C, 0x00005C01);
+	data = 0;
+	if (param->wodt)
+		data = 0x300;
+	if (param->rodt)
+		data = data | 0x3000 | ((param->reg_AC2 & 0x60000) >> 3);
+	ast_moutdwm(ast, 0x1E6E0034, data | 0x3);
+
+	/* Calibrate the DQSI delay */
+	if ((cbr_dll2(ast, param) == false) && (retry++ < 10))
+		goto ddr3_init_start;
+
+	ast_moutdwm(ast, 0x1E6E0120, param->reg_FREQ);
+	/* ECC Memory Initialization */
+#ifdef ECC
+	ast_moutdwm(ast, 0x1E6E007C, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0070, 0x221);
+	do {
+		data = ast_mindwm(ast, 0x1E6E0070);
+	} while (!(data & 0x00001000));
+	ast_moutdwm(ast, 0x1E6E0070, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0050, 0x80000000);
+	ast_moutdwm(ast, 0x1E6E0050, 0x00000000);
+#endif
+}
+
+static void get_ddr2_info(struct ast_device *ast, struct ast2300_dram_param *param)
+{
+	u32 trap, trap_AC2, trap_MRS;
+
+	ast_moutdwm(ast, 0x1E6E2000, 0x1688A8A8);
+
+	/* Ger trap info */
+	trap = (ast_mindwm(ast, 0x1E6E2070) >> 25) & 0x3;
+	trap_AC2  = (trap << 20) | (trap << 16);
+	trap_AC2 += 0x00110000;
+	trap_MRS  = 0x00000040 | (trap << 4);
+
+	param->reg_MADJ       = 0x00034C4C;
+	param->reg_SADJ       = 0x00001800;
+	param->reg_DRV        = 0x000000F0;
+	param->reg_PERIOD     = param->dram_freq;
+	param->rodt           = 0;
+
+	switch (param->dram_freq) {
+	case 264:
+		ast_moutdwm(ast, 0x1E6E2020, 0x0130);
+		param->wodt          = 0;
+		param->reg_AC1       = 0x11101513;
+		param->reg_AC2       = 0x78117011;
+		param->reg_DQSIC     = 0x00000092;
+		param->reg_MRS       = 0x00000842;
+		param->reg_EMRS      = 0x00000000;
+		param->reg_DRV       = 0x000000F0;
+		param->reg_IOZ       = 0x00000034;
+		param->reg_DQIDLY    = 0x0000005A;
+		param->reg_FREQ      = 0x00004AC0;
+		param->madj_max      = 138;
+		param->dll2_finetune_step = 3;
+		break;
+	case 336:
+		ast_moutdwm(ast, 0x1E6E2020, 0x0190);
+		param->wodt          = 1;
+		param->reg_AC1       = 0x22202613;
+		param->reg_AC2       = 0xAA009016 | trap_AC2;
+		param->reg_DQSIC     = 0x000000BA;
+		param->reg_MRS       = 0x00000A02 | trap_MRS;
+		param->reg_EMRS      = 0x00000040;
+		param->reg_DRV       = 0x000000FA;
+		param->reg_IOZ       = 0x00000034;
+		param->reg_DQIDLY    = 0x00000074;
+		param->reg_FREQ      = 0x00004DC0;
+		param->madj_max      = 96;
+		param->dll2_finetune_step = 3;
+		switch (param->dram_chipid) {
+		default:
+		case AST_DRAM_512Mx16:
+			param->reg_AC2   = 0xAA009012 | trap_AC2;
+			break;
+		case AST_DRAM_1Gx16:
+			param->reg_AC2   = 0xAA009016 | trap_AC2;
+			break;
+		case AST_DRAM_2Gx16:
+			param->reg_AC2   = 0xAA009023 | trap_AC2;
+			break;
+		case AST_DRAM_4Gx16:
+			param->reg_AC2   = 0xAA00903B | trap_AC2;
+			break;
+		}
+		break;
+	default:
+	case 396:
+		ast_moutdwm(ast, 0x1E6E2020, 0x03F1);
+		param->wodt          = 1;
+		param->rodt          = 0;
+		param->reg_AC1       = 0x33302714;
+		param->reg_AC2       = 0xCC00B01B | trap_AC2;
+		param->reg_DQSIC     = 0x000000E2;
+		param->reg_MRS       = 0x00000C02 | trap_MRS;
+		param->reg_EMRS      = 0x00000040;
+		param->reg_DRV       = 0x000000FA;
+		param->reg_IOZ       = 0x00000034;
+		param->reg_DQIDLY    = 0x00000089;
+		param->reg_FREQ      = 0x00005040;
+		param->madj_max      = 96;
+		param->dll2_finetune_step = 4;
+
+		switch (param->dram_chipid) {
+		case AST_DRAM_512Mx16:
+			param->reg_AC2   = 0xCC00B016 | trap_AC2;
+			break;
+		default:
+		case AST_DRAM_1Gx16:
+			param->reg_AC2   = 0xCC00B01B | trap_AC2;
+			break;
+		case AST_DRAM_2Gx16:
+			param->reg_AC2   = 0xCC00B02B | trap_AC2;
+			break;
+		case AST_DRAM_4Gx16:
+			param->reg_AC2   = 0xCC00B03F | trap_AC2;
+			break;
+		}
+
+		break;
+
+	case 408:
+		ast_moutdwm(ast, 0x1E6E2020, 0x01F0);
+		param->wodt          = 1;
+		param->rodt          = 0;
+		param->reg_AC1       = 0x33302714;
+		param->reg_AC2       = 0xCC00B01B | trap_AC2;
+		param->reg_DQSIC     = 0x000000E2;
+		param->reg_MRS       = 0x00000C02 | trap_MRS;
+		param->reg_EMRS      = 0x00000040;
+		param->reg_DRV       = 0x000000FA;
+		param->reg_IOZ       = 0x00000034;
+		param->reg_DQIDLY    = 0x00000089;
+		param->reg_FREQ      = 0x000050C0;
+		param->madj_max      = 96;
+		param->dll2_finetune_step = 4;
+
+		switch (param->dram_chipid) {
+		case AST_DRAM_512Mx16:
+			param->reg_AC2   = 0xCC00B016 | trap_AC2;
+			break;
+		default:
+		case AST_DRAM_1Gx16:
+			param->reg_AC2   = 0xCC00B01B | trap_AC2;
+			break;
+		case AST_DRAM_2Gx16:
+			param->reg_AC2   = 0xCC00B02B | trap_AC2;
+			break;
+		case AST_DRAM_4Gx16:
+			param->reg_AC2   = 0xCC00B03F | trap_AC2;
+			break;
+		}
+
+		break;
+	case 456:
+		ast_moutdwm(ast, 0x1E6E2020, 0x0230);
+		param->wodt          = 0;
+		param->reg_AC1       = 0x33302815;
+		param->reg_AC2       = 0xCD44B01E;
+		param->reg_DQSIC     = 0x000000FC;
+		param->reg_MRS       = 0x00000E72;
+		param->reg_EMRS      = 0x00000000;
+		param->reg_DRV       = 0x00000000;
+		param->reg_IOZ       = 0x00000034;
+		param->reg_DQIDLY    = 0x00000097;
+		param->reg_FREQ      = 0x000052C0;
+		param->madj_max      = 88;
+		param->dll2_finetune_step = 3;
+		break;
+	case 504:
+		ast_moutdwm(ast, 0x1E6E2020, 0x0261);
+		param->wodt          = 1;
+		param->rodt          = 1;
+		param->reg_AC1       = 0x33302815;
+		param->reg_AC2       = 0xDE44C022;
+		param->reg_DQSIC     = 0x00000117;
+		param->reg_MRS       = 0x00000E72;
+		param->reg_EMRS      = 0x00000040;
+		param->reg_DRV       = 0x0000000A;
+		param->reg_IOZ       = 0x00000045;
+		param->reg_DQIDLY    = 0x000000A0;
+		param->reg_FREQ      = 0x000054C0;
+		param->madj_max      = 79;
+		param->dll2_finetune_step = 3;
+		break;
+	case 528:
+		ast_moutdwm(ast, 0x1E6E2020, 0x0120);
+		param->wodt          = 1;
+		param->rodt          = 1;
+		param->reg_AC1       = 0x33302815;
+		param->reg_AC2       = 0xEF44D024;
+		param->reg_DQSIC     = 0x00000125;
+		param->reg_MRS       = 0x00000E72;
+		param->reg_EMRS      = 0x00000004;
+		param->reg_DRV       = 0x000000F9;
+		param->reg_IOZ       = 0x00000045;
+		param->reg_DQIDLY    = 0x000000A7;
+		param->reg_FREQ      = 0x000055C0;
+		param->madj_max      = 76;
+		param->dll2_finetune_step = 3;
+		break;
+	case 552:
+		ast_moutdwm(ast, 0x1E6E2020, 0x02A1);
+		param->wodt          = 1;
+		param->rodt          = 1;
+		param->reg_AC1       = 0x43402915;
+		param->reg_AC2       = 0xFF44E025;
+		param->reg_DQSIC     = 0x00000132;
+		param->reg_MRS       = 0x00000E72;
+		param->reg_EMRS      = 0x00000040;
+		param->reg_DRV       = 0x0000000A;
+		param->reg_IOZ       = 0x00000045;
+		param->reg_DQIDLY    = 0x000000AD;
+		param->reg_FREQ      = 0x000056C0;
+		param->madj_max      = 76;
+		param->dll2_finetune_step = 3;
+		break;
+	case 576:
+		ast_moutdwm(ast, 0x1E6E2020, 0x0140);
+		param->wodt          = 1;
+		param->rodt          = 1;
+		param->reg_AC1       = 0x43402915;
+		param->reg_AC2       = 0xFF44E027;
+		param->reg_DQSIC     = 0x0000013F;
+		param->reg_MRS       = 0x00000E72;
+		param->reg_EMRS      = 0x00000004;
+		param->reg_DRV       = 0x000000F5;
+		param->reg_IOZ       = 0x00000045;
+		param->reg_DQIDLY    = 0x000000B3;
+		param->reg_FREQ      = 0x000057C0;
+		param->madj_max      = 76;
+		param->dll2_finetune_step = 3;
+		break;
+	}
+
+	switch (param->dram_chipid) {
+	case AST_DRAM_512Mx16:
+		param->dram_config = 0x100;
+		break;
+	default:
+	case AST_DRAM_1Gx16:
+		param->dram_config = 0x121;
+		break;
+	case AST_DRAM_2Gx16:
+		param->dram_config = 0x122;
+		break;
+	case AST_DRAM_4Gx16:
+		param->dram_config = 0x123;
+		break;
+	} /* switch size */
+
+	switch (param->vram_size) {
+	default:
+	case SZ_8M:
+		param->dram_config |= 0x00;
+		break;
+	case SZ_16M:
+		param->dram_config |= 0x04;
+		break;
+	case SZ_32M:
+		param->dram_config |= 0x08;
+		break;
+	case SZ_64M:
+		param->dram_config |= 0x0c;
+		break;
+	}
+}
+
+static void ddr2_init(struct ast_device *ast, struct ast2300_dram_param *param)
+{
+	u32 data, data2, retry = 0;
+
+ddr2_init_start:
+	ast_moutdwm(ast, 0x1E6E0000, 0xFC600309);
+	ast_moutdwm(ast, 0x1E6E0018, 0x00000100);
+	ast_moutdwm(ast, 0x1E6E0024, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ);
+	ast_moutdwm(ast, 0x1E6E0068, param->reg_SADJ);
+	udelay(10);
+	ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ | 0xC0000);
+	udelay(10);
+
+	ast_moutdwm(ast, 0x1E6E0004, param->dram_config);
+	ast_moutdwm(ast, 0x1E6E0008, 0x90040f);
+	ast_moutdwm(ast, 0x1E6E0010, param->reg_AC1);
+	ast_moutdwm(ast, 0x1E6E0014, param->reg_AC2);
+	ast_moutdwm(ast, 0x1E6E0020, param->reg_DQSIC);
+	ast_moutdwm(ast, 0x1E6E0080, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0084, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0088, param->reg_DQIDLY);
+	ast_moutdwm(ast, 0x1E6E0018, 0x4000A130);
+	ast_moutdwm(ast, 0x1E6E0018, 0x00002330);
+	ast_moutdwm(ast, 0x1E6E0038, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0040, 0xFF808000);
+	ast_moutdwm(ast, 0x1E6E0044, 0x88848466);
+	ast_moutdwm(ast, 0x1E6E0048, 0x44440008);
+	ast_moutdwm(ast, 0x1E6E004C, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0050, 0x80000000);
+	ast_moutdwm(ast, 0x1E6E0050, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0054, 0);
+	ast_moutdwm(ast, 0x1E6E0060, param->reg_DRV);
+	ast_moutdwm(ast, 0x1E6E006C, param->reg_IOZ);
+	ast_moutdwm(ast, 0x1E6E0070, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0074, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0078, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E007C, 0x00000000);
+
+	/* Wait MCLK2X lock to MCLK */
+	do {
+		data = ast_mindwm(ast, 0x1E6E001C);
+	} while (!(data & 0x08000000));
+	data = ast_mindwm(ast, 0x1E6E001C);
+	data = (data >> 8) & 0xff;
+	while ((data & 0x08) || ((data & 0x7) < 2) || (data < 4)) {
+		data2 = (ast_mindwm(ast, 0x1E6E0064) & 0xfff3ffff) + 4;
+		if ((data2 & 0xff) > param->madj_max)
+			break;
+		ast_moutdwm(ast, 0x1E6E0064, data2);
+		if (data2 & 0x00100000)
+			data2 = ((data2 & 0xff) >> 3) + 3;
+		else
+			data2 = ((data2 & 0xff) >> 2) + 5;
+		data = ast_mindwm(ast, 0x1E6E0068) & 0xffff00ff;
+		data2 += data & 0xff;
+		data = data | (data2 << 8);
+		ast_moutdwm(ast, 0x1E6E0068, data);
+		udelay(10);
+		ast_moutdwm(ast, 0x1E6E0064, ast_mindwm(ast, 0x1E6E0064) | 0xC0000);
+		udelay(10);
+		data = ast_mindwm(ast, 0x1E6E0018) & 0xfffff1ff;
+		ast_moutdwm(ast, 0x1E6E0018, data);
+		data = data | 0x200;
+		ast_moutdwm(ast, 0x1E6E0018, data);
+		do {
+			data = ast_mindwm(ast, 0x1E6E001C);
+		} while (!(data & 0x08000000));
+
+		data = ast_mindwm(ast, 0x1E6E001C);
+		data = (data >> 8) & 0xff;
+	}
+	ast_moutdwm(ast, 0x1E720058, ast_mindwm(ast, 0x1E6E0008) & 0xffff);
+	data = ast_mindwm(ast, 0x1E6E0018) | 0xC00;
+	ast_moutdwm(ast, 0x1E6E0018, data);
+
+	ast_moutdwm(ast, 0x1E6E0034, 0x00000001);
+	ast_moutdwm(ast, 0x1E6E000C, 0x00000000);
+	udelay(50);
+	/* Mode Register Setting */
+	ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS | 0x100);
+	ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS);
+	ast_moutdwm(ast, 0x1E6E0028, 0x00000005);
+	ast_moutdwm(ast, 0x1E6E0028, 0x00000007);
+	ast_moutdwm(ast, 0x1E6E0028, 0x00000003);
+	ast_moutdwm(ast, 0x1E6E0028, 0x00000001);
+
+	ast_moutdwm(ast, 0x1E6E000C, 0x00005C08);
+	ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS);
+	ast_moutdwm(ast, 0x1E6E0028, 0x00000001);
+	ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS | 0x380);
+	ast_moutdwm(ast, 0x1E6E0028, 0x00000003);
+	ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS);
+	ast_moutdwm(ast, 0x1E6E0028, 0x00000003);
+
+	ast_moutdwm(ast, 0x1E6E000C, 0x7FFF5C01);
+	data = 0;
+	if (param->wodt)
+		data = 0x500;
+	if (param->rodt)
+		data = data | 0x3000 | ((param->reg_AC2 & 0x60000) >> 3);
+	ast_moutdwm(ast, 0x1E6E0034, data | 0x3);
+	ast_moutdwm(ast, 0x1E6E0120, param->reg_FREQ);
+
+	/* Calibrate the DQSI delay */
+	if ((cbr_dll2(ast, param) == false) && (retry++ < 10))
+		goto ddr2_init_start;
+
+	/* ECC Memory Initialization */
+#ifdef ECC
+	ast_moutdwm(ast, 0x1E6E007C, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0070, 0x221);
+	do {
+		data = ast_mindwm(ast, 0x1E6E0070);
+	} while (!(data & 0x00001000));
+	ast_moutdwm(ast, 0x1E6E0070, 0x00000000);
+	ast_moutdwm(ast, 0x1E6E0050, 0x80000000);
+	ast_moutdwm(ast, 0x1E6E0050, 0x00000000);
+#endif
+}
+
+static void ast_post_chip_2300(struct ast_device *ast)
+{
+	struct ast2300_dram_param param;
+	u32 temp;
+	u8 reg;
+
+	reg = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xd0, 0xff);
+	if ((reg & 0x80) == 0) {/* vga only */
+		ast_write32(ast, 0xf004, 0x1e6e0000);
+		ast_write32(ast, 0xf000, 0x1);
+		ast_write32(ast, 0x12000, 0x1688a8a8);
+		do {
+			;
+		} while (ast_read32(ast, 0x12000) != 0x1);
+
+		ast_write32(ast, 0x10000, 0xfc600309);
+		do {
+			;
+		} while (ast_read32(ast, 0x10000) != 0x1);
+
+		/* Slow down CPU/AHB CLK in VGA only mode */
+		temp = ast_read32(ast, 0x12008);
+		temp |= 0x73;
+		ast_write32(ast, 0x12008, temp);
+
+		param.dram_freq = 396;
+		param.dram_type = AST_DDR3;
+		temp = ast_mindwm(ast, 0x1e6e2070);
+		if (temp & 0x01000000)
+			param.dram_type = AST_DDR2;
+		switch (temp & 0x18000000) {
+		case 0:
+			param.dram_chipid = AST_DRAM_512Mx16;
+			break;
+		default:
+		case 0x08000000:
+			param.dram_chipid = AST_DRAM_1Gx16;
+			break;
+		case 0x10000000:
+			param.dram_chipid = AST_DRAM_2Gx16;
+			break;
+		case 0x18000000:
+			param.dram_chipid = AST_DRAM_4Gx16;
+			break;
+		}
+		switch (temp & 0x0c) {
+		default:
+		case 0x00:
+			param.vram_size = SZ_8M;
+			break;
+		case 0x04:
+			param.vram_size = SZ_16M;
+			break;
+		case 0x08:
+			param.vram_size = SZ_32M;
+			break;
+		case 0x0c:
+			param.vram_size = SZ_64M;
+			break;
+		}
+
+		if (param.dram_type == AST_DDR3) {
+			get_ddr3_info(ast, &param);
+			ddr3_init(ast, &param);
+		} else {
+			get_ddr2_info(ast, &param);
+			ddr2_init(ast, &param);
+		}
+
+		temp = ast_mindwm(ast, 0x1e6e2040);
+		ast_moutdwm(ast, 0x1e6e2040, temp | 0x40);
+	}
+
+	/* wait ready */
+	do {
+		reg = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xd0, 0xff);
+	} while ((reg & 0x40) == 0);
+}
+
+int ast_2300_post(struct ast_device *ast)
+{
+	if (ast->config_mode == ast_use_p2a) {
+		ast_post_chip_2300(ast);
+		ast_init_3rdtx(ast);
+	} else {
+		if (ast->tx_chip == AST_TX_SIL164) {
+			/* Enable DVO */
+			ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xa3, 0xcf, 0x80);
+		}
+	}
+
+	return 0;
+}
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index 4a92c377e9bd..653e93b05859 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -417,6 +417,9 @@ struct ast_crtc_state {
 
 int ast_mm_init(struct ast_device *ast);
 
+/* ast_2300.c */
+int ast_2300_post(struct ast_device *ast);
+
 /* ast_2500.c */
 void ast_2500_patch_ahb(void __iomem *regs);
 int ast_2500_post(struct ast_device *ast);
diff --git a/drivers/gpu/drm/ast/ast_post.c b/drivers/gpu/drm/ast/ast_post.c
index 0d99270b58c4..a08264210d77 100644
--- a/drivers/gpu/drm/ast/ast_post.c
+++ b/drivers/gpu/drm/ast/ast_post.c
@@ -35,8 +35,6 @@
 #include "ast_drv.h"
 #include "ast_post.h"
 
-static void ast_post_chip_2300(struct ast_device *ast);
-
 static const u8 extreginfo[] = { 0x0f, 0x04, 0x1c, 0xff };
 static const u8 extreginfo_ast2300[] = { 0x0f, 0x04, 0x1f, 0xff };
 
@@ -355,15 +353,9 @@ int ast_post_gpu(struct ast_device *ast)
 		if (ret)
 			return ret;
 	} else if (AST_GEN(ast) >= 4) {
-		if (ast->config_mode == ast_use_p2a) {
-			ast_post_chip_2300(ast);
-			ast_init_3rdtx(ast);
-		} else {
-			if (ast->tx_chip == AST_TX_SIL164) {
-				/* Enable DVO */
-				ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xa3, 0xcf, 0x80);
-			}
-		}
+		ret = ast_2300_post(ast);
+		if (ret)
+			return ret;
 	} else  {
 		if (ast->config_mode == ast_use_p2a) {
 			ast_init_dram_reg(ast);
@@ -378,58 +370,7 @@ int ast_post_gpu(struct ast_device *ast)
 	return 0;
 }
 
-/* AST 2300 DRAM settings */
-#define AST_DDR3 0
-#define AST_DDR2 1
-
-struct ast2300_dram_param {
-	u32 dram_type;
-	u32 dram_chipid;
-	u32 dram_freq;
-	u32 vram_size;
-	u32 odt;
-	u32 wodt;
-	u32 rodt;
-	u32 dram_config;
-	u32 reg_PERIOD;
-	u32 reg_MADJ;
-	u32 reg_SADJ;
-	u32 reg_MRS;
-	u32 reg_EMRS;
-	u32 reg_AC1;
-	u32 reg_AC2;
-	u32 reg_DQSIC;
-	u32 reg_DRV;
-	u32 reg_IOZ;
-	u32 reg_DQIDLY;
-	u32 reg_FREQ;
-	u32 madj_max;
-	u32 dll2_finetune_step;
-};
-
-/*
- * DQSI DLL CBR Setting
- */
-#define CBR_SIZE0            ((1  << 10) - 1)
-#define CBR_SIZE1            ((4  << 10) - 1)
-#define CBR_SIZE2            ((64 << 10) - 1)
-#define CBR_PASSNUM          5
-#define CBR_PASSNUM2         5
-#define CBR_THRESHOLD        10
-#define CBR_THRESHOLD2       10
 #define TIMEOUT              5000000
-#define CBR_PATNUM           8
-
-static const u32 pattern[8] = {
-	0xFF00FF00,
-	0xCC33CC33,
-	0xAA55AA55,
-	0x88778877,
-	0x92CC4D6E,
-	0x543D3CDE,
-	0xF1E843C7,
-	0x7C61D253
-};
 
 bool mmc_test(struct ast_device *ast, u32 datagen, u8 test_ctl)
 {
@@ -451,1207 +392,7 @@ bool mmc_test(struct ast_device *ast, u32 datagen, u8 test_ctl)
 	return true;
 }
 
-static u32 mmc_test2(struct ast_device *ast, u32 datagen, u8 test_ctl)
-{
-	u32 data, timeout;
-
-	ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
-	ast_moutdwm(ast, 0x1e6e0070, (datagen << 3) | test_ctl);
-	timeout = 0;
-	do {
-		data = ast_mindwm(ast, 0x1e6e0070) & 0x1000;
-		if (++timeout > TIMEOUT) {
-			ast_moutdwm(ast, 0x1e6e0070, 0x0);
-			return 0xffffffff;
-		}
-	} while (!data);
-	data = ast_mindwm(ast, 0x1e6e0078);
-	data = (data | (data >> 16)) & 0xffff;
-	ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
-	return data;
-}
-
 bool mmc_test_burst(struct ast_device *ast, u32 datagen)
 {
 	return mmc_test(ast, datagen, 0xc1);
 }
-
-static u32 mmc_test_burst2(struct ast_device *ast, u32 datagen)
-{
-	return mmc_test2(ast, datagen, 0x41);
-}
-
-static bool mmc_test_single(struct ast_device *ast, u32 datagen)
-{
-	return mmc_test(ast, datagen, 0xc5);
-}
-
-static u32 mmc_test_single2(struct ast_device *ast, u32 datagen)
-{
-	return mmc_test2(ast, datagen, 0x05);
-}
-
-static int cbr_test(struct ast_device *ast)
-{
-	u32 data;
-	int i;
-	data = mmc_test_single2(ast, 0);
-	if ((data & 0xff) && (data & 0xff00))
-		return 0;
-	for (i = 0; i < 8; i++) {
-		data = mmc_test_burst2(ast, i);
-		if ((data & 0xff) && (data & 0xff00))
-			return 0;
-	}
-	if (!data)
-		return 3;
-	else if (data & 0xff)
-		return 2;
-	return 1;
-}
-
-static int cbr_scan(struct ast_device *ast)
-{
-	u32 data, data2, patcnt, loop;
-
-	data2 = 3;
-	for (patcnt = 0; patcnt < CBR_PATNUM; patcnt++) {
-		ast_moutdwm(ast, 0x1e6e007c, pattern[patcnt]);
-		for (loop = 0; loop < CBR_PASSNUM2; loop++) {
-			if ((data = cbr_test(ast)) != 0) {
-				data2 &= data;
-				if (!data2)
-					return 0;
-				break;
-			}
-		}
-		if (loop == CBR_PASSNUM2)
-			return 0;
-	}
-	return data2;
-}
-
-static u32 cbr_test2(struct ast_device *ast)
-{
-	u32 data;
-
-	data = mmc_test_burst2(ast, 0);
-	if (data == 0xffff)
-		return 0;
-	data |= mmc_test_single2(ast, 0);
-	if (data == 0xffff)
-		return 0;
-
-	return ~data & 0xffff;
-}
-
-static u32 cbr_scan2(struct ast_device *ast)
-{
-	u32 data, data2, patcnt, loop;
-
-	data2 = 0xffff;
-	for (patcnt = 0; patcnt < CBR_PATNUM; patcnt++) {
-		ast_moutdwm(ast, 0x1e6e007c, pattern[patcnt]);
-		for (loop = 0; loop < CBR_PASSNUM2; loop++) {
-			if ((data = cbr_test2(ast)) != 0) {
-				data2 &= data;
-				if (!data2)
-					return 0;
-				break;
-			}
-		}
-		if (loop == CBR_PASSNUM2)
-			return 0;
-	}
-	return data2;
-}
-
-static bool cbr_test3(struct ast_device *ast)
-{
-	if (!mmc_test_burst(ast, 0))
-		return false;
-	if (!mmc_test_single(ast, 0))
-		return false;
-	return true;
-}
-
-static bool cbr_scan3(struct ast_device *ast)
-{
-	u32 patcnt, loop;
-
-	for (patcnt = 0; patcnt < CBR_PATNUM; patcnt++) {
-		ast_moutdwm(ast, 0x1e6e007c, pattern[patcnt]);
-		for (loop = 0; loop < 2; loop++) {
-			if (cbr_test3(ast))
-				break;
-		}
-		if (loop == 2)
-			return false;
-	}
-	return true;
-}
-
-static bool finetuneDQI_L(struct ast_device *ast, struct ast2300_dram_param *param)
-{
-	u32 gold_sadj[2], dllmin[16], dllmax[16], dlli, data, cnt, mask, passcnt, retry = 0;
-	bool status = false;
-FINETUNE_START:
-	for (cnt = 0; cnt < 16; cnt++) {
-		dllmin[cnt] = 0xff;
-		dllmax[cnt] = 0x0;
-	}
-	passcnt = 0;
-	for (dlli = 0; dlli < 76; dlli++) {
-		ast_moutdwm(ast, 0x1E6E0068, 0x00001400 | (dlli << 16) | (dlli << 24));
-		ast_moutdwm(ast, 0x1E6E0074, CBR_SIZE1);
-		data = cbr_scan2(ast);
-		if (data != 0) {
-			mask = 0x00010001;
-			for (cnt = 0; cnt < 16; cnt++) {
-				if (data & mask) {
-					if (dllmin[cnt] > dlli) {
-						dllmin[cnt] = dlli;
-					}
-					if (dllmax[cnt] < dlli) {
-						dllmax[cnt] = dlli;
-					}
-				}
-				mask <<= 1;
-			}
-			passcnt++;
-		} else if (passcnt >= CBR_THRESHOLD2) {
-			break;
-		}
-	}
-	gold_sadj[0] = 0x0;
-	passcnt = 0;
-	for (cnt = 0; cnt < 16; cnt++) {
-		if ((dllmax[cnt] > dllmin[cnt]) && ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) {
-			gold_sadj[0] += dllmin[cnt];
-			passcnt++;
-		}
-	}
-	if (retry++ > 10)
-		goto FINETUNE_DONE;
-	if (passcnt != 16) {
-		goto FINETUNE_START;
-	}
-	status = true;
-FINETUNE_DONE:
-	gold_sadj[0] = gold_sadj[0] >> 4;
-	gold_sadj[1] = gold_sadj[0];
-
-	data = 0;
-	for (cnt = 0; cnt < 8; cnt++) {
-		data >>= 3;
-		if ((dllmax[cnt] > dllmin[cnt]) && ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) {
-			dlli = dllmin[cnt];
-			if (gold_sadj[0] >= dlli) {
-				dlli = ((gold_sadj[0] - dlli) * 19) >> 5;
-				if (dlli > 3) {
-					dlli = 3;
-				}
-			} else {
-				dlli = ((dlli - gold_sadj[0]) * 19) >> 5;
-				if (dlli > 4) {
-					dlli = 4;
-				}
-				dlli = (8 - dlli) & 0x7;
-			}
-			data |= dlli << 21;
-		}
-	}
-	ast_moutdwm(ast, 0x1E6E0080, data);
-
-	data = 0;
-	for (cnt = 8; cnt < 16; cnt++) {
-		data >>= 3;
-		if ((dllmax[cnt] > dllmin[cnt]) && ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) {
-			dlli = dllmin[cnt];
-			if (gold_sadj[1] >= dlli) {
-				dlli = ((gold_sadj[1] - dlli) * 19) >> 5;
-				if (dlli > 3) {
-					dlli = 3;
-				} else {
-					dlli = (dlli - 1) & 0x7;
-				}
-			} else {
-				dlli = ((dlli - gold_sadj[1]) * 19) >> 5;
-				dlli += 1;
-				if (dlli > 4) {
-					dlli = 4;
-				}
-				dlli = (8 - dlli) & 0x7;
-			}
-			data |= dlli << 21;
-		}
-	}
-	ast_moutdwm(ast, 0x1E6E0084, data);
-	return status;
-} /* finetuneDQI_L */
-
-static void finetuneDQSI(struct ast_device *ast)
-{
-	u32 dlli, dqsip, dqidly;
-	u32 reg_mcr18, reg_mcr0c, passcnt[2], diff;
-	u32 g_dqidly, g_dqsip, g_margin, g_side;
-	u16 pass[32][2][2];
-	char tag[2][76];
-
-	/* Disable DQI CBR */
-	reg_mcr0c  = ast_mindwm(ast, 0x1E6E000C);
-	reg_mcr18  = ast_mindwm(ast, 0x1E6E0018);
-	reg_mcr18 &= 0x0000ffff;
-	ast_moutdwm(ast, 0x1E6E0018, reg_mcr18);
-
-	for (dlli = 0; dlli < 76; dlli++) {
-		tag[0][dlli] = 0x0;
-		tag[1][dlli] = 0x0;
-	}
-	for (dqidly = 0; dqidly < 32; dqidly++) {
-		pass[dqidly][0][0] = 0xff;
-		pass[dqidly][0][1] = 0x0;
-		pass[dqidly][1][0] = 0xff;
-		pass[dqidly][1][1] = 0x0;
-	}
-	for (dqidly = 0; dqidly < 32; dqidly++) {
-		passcnt[0] = passcnt[1] = 0;
-		for (dqsip = 0; dqsip < 2; dqsip++) {
-			ast_moutdwm(ast, 0x1E6E000C, 0);
-			ast_moutdwm(ast, 0x1E6E0018, reg_mcr18 | (dqidly << 16) | (dqsip << 23));
-			ast_moutdwm(ast, 0x1E6E000C, reg_mcr0c);
-			for (dlli = 0; dlli < 76; dlli++) {
-				ast_moutdwm(ast, 0x1E6E0068, 0x00001300 | (dlli << 16) | (dlli << 24));
-				ast_moutdwm(ast, 0x1E6E0070, 0);
-				ast_moutdwm(ast, 0x1E6E0074, CBR_SIZE0);
-				if (cbr_scan3(ast)) {
-					if (dlli == 0)
-						break;
-					passcnt[dqsip]++;
-					tag[dqsip][dlli] = 'P';
-					if (dlli < pass[dqidly][dqsip][0])
-						pass[dqidly][dqsip][0] = (u16) dlli;
-					if (dlli > pass[dqidly][dqsip][1])
-						pass[dqidly][dqsip][1] = (u16) dlli;
-				} else if (passcnt[dqsip] >= 5)
-					break;
-				else {
-					pass[dqidly][dqsip][0] = 0xff;
-					pass[dqidly][dqsip][1] = 0x0;
-				}
-			}
-		}
-		if (passcnt[0] == 0 && passcnt[1] == 0)
-			dqidly++;
-	}
-	/* Search margin */
-	g_dqidly = g_dqsip = g_margin = g_side = 0;
-
-	for (dqidly = 0; dqidly < 32; dqidly++) {
-		for (dqsip = 0; dqsip < 2; dqsip++) {
-			if (pass[dqidly][dqsip][0] > pass[dqidly][dqsip][1])
-				continue;
-			diff = pass[dqidly][dqsip][1] - pass[dqidly][dqsip][0];
-			if ((diff+2) < g_margin)
-				continue;
-			passcnt[0] = passcnt[1] = 0;
-			for (dlli = pass[dqidly][dqsip][0]; dlli > 0  && tag[dqsip][dlli] != 0; dlli--, passcnt[0]++);
-			for (dlli = pass[dqidly][dqsip][1]; dlli < 76 && tag[dqsip][dlli] != 0; dlli++, passcnt[1]++);
-			if (passcnt[0] > passcnt[1])
-				passcnt[0] = passcnt[1];
-			passcnt[1] = 0;
-			if (passcnt[0] > g_side)
-				passcnt[1] = passcnt[0] - g_side;
-			if (diff > (g_margin+1) && (passcnt[1] > 0 || passcnt[0] > 8)) {
-				g_margin = diff;
-				g_dqidly = dqidly;
-				g_dqsip  = dqsip;
-				g_side   = passcnt[0];
-			} else if (passcnt[1] > 1 && g_side < 8) {
-				if (diff > g_margin)
-					g_margin = diff;
-				g_dqidly = dqidly;
-				g_dqsip  = dqsip;
-				g_side   = passcnt[0];
-			}
-		}
-	}
-	reg_mcr18 = reg_mcr18 | (g_dqidly << 16) | (g_dqsip << 23);
-	ast_moutdwm(ast, 0x1E6E0018, reg_mcr18);
-
-}
-static bool cbr_dll2(struct ast_device *ast, struct ast2300_dram_param *param)
-{
-	u32 dllmin[2], dllmax[2], dlli, data, passcnt, retry = 0;
-	bool status = false;
-
-	finetuneDQSI(ast);
-	if (finetuneDQI_L(ast, param) == false)
-		return status;
-
-CBR_START2:
-	dllmin[0] = dllmin[1] = 0xff;
-	dllmax[0] = dllmax[1] = 0x0;
-	passcnt = 0;
-	for (dlli = 0; dlli < 76; dlli++) {
-		ast_moutdwm(ast, 0x1E6E0068, 0x00001300 | (dlli << 16) | (dlli << 24));
-		ast_moutdwm(ast, 0x1E6E0074, CBR_SIZE2);
-		data = cbr_scan(ast);
-		if (data != 0) {
-			if (data & 0x1) {
-				if (dllmin[0] > dlli) {
-					dllmin[0] = dlli;
-				}
-				if (dllmax[0] < dlli) {
-					dllmax[0] = dlli;
-				}
-			}
-			if (data & 0x2) {
-				if (dllmin[1] > dlli) {
-					dllmin[1] = dlli;
-				}
-				if (dllmax[1] < dlli) {
-					dllmax[1] = dlli;
-				}
-			}
-			passcnt++;
-		} else if (passcnt >= CBR_THRESHOLD) {
-			break;
-		}
-	}
-	if (retry++ > 10)
-		goto CBR_DONE2;
-	if (dllmax[0] == 0 || (dllmax[0]-dllmin[0]) < CBR_THRESHOLD) {
-		goto CBR_START2;
-	}
-	if (dllmax[1] == 0 || (dllmax[1]-dllmin[1]) < CBR_THRESHOLD) {
-		goto CBR_START2;
-	}
-	status = true;
-CBR_DONE2:
-	dlli  = (dllmin[1] + dllmax[1]) >> 1;
-	dlli <<= 8;
-	dlli += (dllmin[0] + dllmax[0]) >> 1;
-	ast_moutdwm(ast, 0x1E6E0068, ast_mindwm(ast, 0x1E720058) | (dlli << 16));
-	return status;
-} /* CBRDLL2 */
-
-static void get_ddr3_info(struct ast_device *ast, struct ast2300_dram_param *param)
-{
-	u32 trap, trap_AC2, trap_MRS;
-
-	ast_moutdwm(ast, 0x1E6E2000, 0x1688A8A8);
-
-	/* Ger trap info */
-	trap = (ast_mindwm(ast, 0x1E6E2070) >> 25) & 0x3;
-	trap_AC2  = 0x00020000 + (trap << 16);
-	trap_AC2 |= 0x00300000 + ((trap & 0x2) << 19);
-	trap_MRS  = 0x00000010 + (trap << 4);
-	trap_MRS |= ((trap & 0x2) << 18);
-
-	param->reg_MADJ       = 0x00034C4C;
-	param->reg_SADJ       = 0x00001800;
-	param->reg_DRV        = 0x000000F0;
-	param->reg_PERIOD     = param->dram_freq;
-	param->rodt           = 0;
-
-	switch (param->dram_freq) {
-	case 336:
-		ast_moutdwm(ast, 0x1E6E2020, 0x0190);
-		param->wodt          = 0;
-		param->reg_AC1       = 0x22202725;
-		param->reg_AC2       = 0xAA007613 | trap_AC2;
-		param->reg_DQSIC     = 0x000000BA;
-		param->reg_MRS       = 0x04001400 | trap_MRS;
-		param->reg_EMRS      = 0x00000000;
-		param->reg_IOZ       = 0x00000023;
-		param->reg_DQIDLY    = 0x00000074;
-		param->reg_FREQ      = 0x00004DC0;
-		param->madj_max      = 96;
-		param->dll2_finetune_step = 3;
-		switch (param->dram_chipid) {
-		default:
-		case AST_DRAM_512Mx16:
-		case AST_DRAM_1Gx16:
-			param->reg_AC2   = 0xAA007613 | trap_AC2;
-			break;
-		case AST_DRAM_2Gx16:
-			param->reg_AC2   = 0xAA00761C | trap_AC2;
-			break;
-		case AST_DRAM_4Gx16:
-			param->reg_AC2   = 0xAA007636 | trap_AC2;
-			break;
-		}
-		break;
-	default:
-	case 396:
-		ast_moutdwm(ast, 0x1E6E2020, 0x03F1);
-		param->wodt          = 1;
-		param->reg_AC1       = 0x33302825;
-		param->reg_AC2       = 0xCC009617 | trap_AC2;
-		param->reg_DQSIC     = 0x000000E2;
-		param->reg_MRS       = 0x04001600 | trap_MRS;
-		param->reg_EMRS      = 0x00000000;
-		param->reg_IOZ       = 0x00000034;
-		param->reg_DRV       = 0x000000FA;
-		param->reg_DQIDLY    = 0x00000089;
-		param->reg_FREQ      = 0x00005040;
-		param->madj_max      = 96;
-		param->dll2_finetune_step = 4;
-
-		switch (param->dram_chipid) {
-		default:
-		case AST_DRAM_512Mx16:
-		case AST_DRAM_1Gx16:
-			param->reg_AC2   = 0xCC009617 | trap_AC2;
-			break;
-		case AST_DRAM_2Gx16:
-			param->reg_AC2   = 0xCC009622 | trap_AC2;
-			break;
-		case AST_DRAM_4Gx16:
-			param->reg_AC2   = 0xCC00963F | trap_AC2;
-			break;
-		}
-		break;
-
-	case 408:
-		ast_moutdwm(ast, 0x1E6E2020, 0x01F0);
-		param->wodt          = 1;
-		param->reg_AC1       = 0x33302825;
-		param->reg_AC2       = 0xCC009617 | trap_AC2;
-		param->reg_DQSIC     = 0x000000E2;
-		param->reg_MRS       = 0x04001600 | trap_MRS;
-		param->reg_EMRS      = 0x00000000;
-		param->reg_IOZ       = 0x00000023;
-		param->reg_DRV       = 0x000000FA;
-		param->reg_DQIDLY    = 0x00000089;
-		param->reg_FREQ      = 0x000050C0;
-		param->madj_max      = 96;
-		param->dll2_finetune_step = 4;
-
-		switch (param->dram_chipid) {
-		default:
-		case AST_DRAM_512Mx16:
-		case AST_DRAM_1Gx16:
-			param->reg_AC2   = 0xCC009617 | trap_AC2;
-			break;
-		case AST_DRAM_2Gx16:
-			param->reg_AC2   = 0xCC009622 | trap_AC2;
-			break;
-		case AST_DRAM_4Gx16:
-			param->reg_AC2   = 0xCC00963F | trap_AC2;
-			break;
-		}
-
-		break;
-	case 456:
-		ast_moutdwm(ast, 0x1E6E2020, 0x0230);
-		param->wodt          = 0;
-		param->reg_AC1       = 0x33302926;
-		param->reg_AC2       = 0xCD44961A;
-		param->reg_DQSIC     = 0x000000FC;
-		param->reg_MRS       = 0x00081830;
-		param->reg_EMRS      = 0x00000000;
-		param->reg_IOZ       = 0x00000045;
-		param->reg_DQIDLY    = 0x00000097;
-		param->reg_FREQ      = 0x000052C0;
-		param->madj_max      = 88;
-		param->dll2_finetune_step = 4;
-		break;
-	case 504:
-		ast_moutdwm(ast, 0x1E6E2020, 0x0270);
-		param->wodt          = 1;
-		param->reg_AC1       = 0x33302926;
-		param->reg_AC2       = 0xDE44A61D;
-		param->reg_DQSIC     = 0x00000117;
-		param->reg_MRS       = 0x00081A30;
-		param->reg_EMRS      = 0x00000000;
-		param->reg_IOZ       = 0x070000BB;
-		param->reg_DQIDLY    = 0x000000A0;
-		param->reg_FREQ      = 0x000054C0;
-		param->madj_max      = 79;
-		param->dll2_finetune_step = 4;
-		break;
-	case 528:
-		ast_moutdwm(ast, 0x1E6E2020, 0x0290);
-		param->wodt          = 1;
-		param->rodt          = 1;
-		param->reg_AC1       = 0x33302926;
-		param->reg_AC2       = 0xEF44B61E;
-		param->reg_DQSIC     = 0x00000125;
-		param->reg_MRS       = 0x00081A30;
-		param->reg_EMRS      = 0x00000040;
-		param->reg_DRV       = 0x000000F5;
-		param->reg_IOZ       = 0x00000023;
-		param->reg_DQIDLY    = 0x00000088;
-		param->reg_FREQ      = 0x000055C0;
-		param->madj_max      = 76;
-		param->dll2_finetune_step = 3;
-		break;
-	case 576:
-		ast_moutdwm(ast, 0x1E6E2020, 0x0140);
-		param->reg_MADJ      = 0x00136868;
-		param->reg_SADJ      = 0x00004534;
-		param->wodt          = 1;
-		param->rodt          = 1;
-		param->reg_AC1       = 0x33302A37;
-		param->reg_AC2       = 0xEF56B61E;
-		param->reg_DQSIC     = 0x0000013F;
-		param->reg_MRS       = 0x00101A50;
-		param->reg_EMRS      = 0x00000040;
-		param->reg_DRV       = 0x000000FA;
-		param->reg_IOZ       = 0x00000023;
-		param->reg_DQIDLY    = 0x00000078;
-		param->reg_FREQ      = 0x000057C0;
-		param->madj_max      = 136;
-		param->dll2_finetune_step = 3;
-		break;
-	case 600:
-		ast_moutdwm(ast, 0x1E6E2020, 0x02E1);
-		param->reg_MADJ      = 0x00136868;
-		param->reg_SADJ      = 0x00004534;
-		param->wodt          = 1;
-		param->rodt          = 1;
-		param->reg_AC1       = 0x32302A37;
-		param->reg_AC2       = 0xDF56B61F;
-		param->reg_DQSIC     = 0x0000014D;
-		param->reg_MRS       = 0x00101A50;
-		param->reg_EMRS      = 0x00000004;
-		param->reg_DRV       = 0x000000F5;
-		param->reg_IOZ       = 0x00000023;
-		param->reg_DQIDLY    = 0x00000078;
-		param->reg_FREQ      = 0x000058C0;
-		param->madj_max      = 132;
-		param->dll2_finetune_step = 3;
-		break;
-	case 624:
-		ast_moutdwm(ast, 0x1E6E2020, 0x0160);
-		param->reg_MADJ      = 0x00136868;
-		param->reg_SADJ      = 0x00004534;
-		param->wodt          = 1;
-		param->rodt          = 1;
-		param->reg_AC1       = 0x32302A37;
-		param->reg_AC2       = 0xEF56B621;
-		param->reg_DQSIC     = 0x0000015A;
-		param->reg_MRS       = 0x02101A50;
-		param->reg_EMRS      = 0x00000004;
-		param->reg_DRV       = 0x000000F5;
-		param->reg_IOZ       = 0x00000034;
-		param->reg_DQIDLY    = 0x00000078;
-		param->reg_FREQ      = 0x000059C0;
-		param->madj_max      = 128;
-		param->dll2_finetune_step = 3;
-		break;
-	} /* switch freq */
-
-	switch (param->dram_chipid) {
-	case AST_DRAM_512Mx16:
-		param->dram_config = 0x130;
-		break;
-	default:
-	case AST_DRAM_1Gx16:
-		param->dram_config = 0x131;
-		break;
-	case AST_DRAM_2Gx16:
-		param->dram_config = 0x132;
-		break;
-	case AST_DRAM_4Gx16:
-		param->dram_config = 0x133;
-		break;
-	} /* switch size */
-
-	switch (param->vram_size) {
-	default:
-	case SZ_8M:
-		param->dram_config |= 0x00;
-		break;
-	case SZ_16M:
-		param->dram_config |= 0x04;
-		break;
-	case SZ_32M:
-		param->dram_config |= 0x08;
-		break;
-	case SZ_64M:
-		param->dram_config |= 0x0c;
-		break;
-	}
-
-}
-
-static void ddr3_init(struct ast_device *ast, struct ast2300_dram_param *param)
-{
-	u32 data, data2, retry = 0;
-
-ddr3_init_start:
-	ast_moutdwm(ast, 0x1E6E0000, 0xFC600309);
-	ast_moutdwm(ast, 0x1E6E0018, 0x00000100);
-	ast_moutdwm(ast, 0x1E6E0024, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0034, 0x00000000);
-	udelay(10);
-	ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ);
-	ast_moutdwm(ast, 0x1E6E0068, param->reg_SADJ);
-	udelay(10);
-	ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ | 0xC0000);
-	udelay(10);
-
-	ast_moutdwm(ast, 0x1E6E0004, param->dram_config);
-	ast_moutdwm(ast, 0x1E6E0008, 0x90040f);
-	ast_moutdwm(ast, 0x1E6E0010, param->reg_AC1);
-	ast_moutdwm(ast, 0x1E6E0014, param->reg_AC2);
-	ast_moutdwm(ast, 0x1E6E0020, param->reg_DQSIC);
-	ast_moutdwm(ast, 0x1E6E0080, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0084, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0088, param->reg_DQIDLY);
-	ast_moutdwm(ast, 0x1E6E0018, 0x4000A170);
-	ast_moutdwm(ast, 0x1E6E0018, 0x00002370);
-	ast_moutdwm(ast, 0x1E6E0038, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0040, 0xFF444444);
-	ast_moutdwm(ast, 0x1E6E0044, 0x22222222);
-	ast_moutdwm(ast, 0x1E6E0048, 0x22222222);
-	ast_moutdwm(ast, 0x1E6E004C, 0x00000002);
-	ast_moutdwm(ast, 0x1E6E0050, 0x80000000);
-	ast_moutdwm(ast, 0x1E6E0050, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0054, 0);
-	ast_moutdwm(ast, 0x1E6E0060, param->reg_DRV);
-	ast_moutdwm(ast, 0x1E6E006C, param->reg_IOZ);
-	ast_moutdwm(ast, 0x1E6E0070, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0074, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0078, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E007C, 0x00000000);
-	/* Wait MCLK2X lock to MCLK */
-	do {
-		data = ast_mindwm(ast, 0x1E6E001C);
-	} while (!(data & 0x08000000));
-	data = ast_mindwm(ast, 0x1E6E001C);
-	data = (data >> 8) & 0xff;
-	while ((data & 0x08) || ((data & 0x7) < 2) || (data < 4)) {
-		data2 = (ast_mindwm(ast, 0x1E6E0064) & 0xfff3ffff) + 4;
-		if ((data2 & 0xff) > param->madj_max) {
-			break;
-		}
-		ast_moutdwm(ast, 0x1E6E0064, data2);
-		if (data2 & 0x00100000) {
-			data2 = ((data2 & 0xff) >> 3) + 3;
-		} else {
-			data2 = ((data2 & 0xff) >> 2) + 5;
-		}
-		data = ast_mindwm(ast, 0x1E6E0068) & 0xffff00ff;
-		data2 += data & 0xff;
-		data = data | (data2 << 8);
-		ast_moutdwm(ast, 0x1E6E0068, data);
-		udelay(10);
-		ast_moutdwm(ast, 0x1E6E0064, ast_mindwm(ast, 0x1E6E0064) | 0xC0000);
-		udelay(10);
-		data = ast_mindwm(ast, 0x1E6E0018) & 0xfffff1ff;
-		ast_moutdwm(ast, 0x1E6E0018, data);
-		data = data | 0x200;
-		ast_moutdwm(ast, 0x1E6E0018, data);
-		do {
-			data = ast_mindwm(ast, 0x1E6E001C);
-		} while (!(data & 0x08000000));
-
-		data = ast_mindwm(ast, 0x1E6E001C);
-		data = (data >> 8) & 0xff;
-	}
-	ast_moutdwm(ast, 0x1E720058, ast_mindwm(ast, 0x1E6E0068) & 0xffff);
-	data = ast_mindwm(ast, 0x1E6E0018) | 0xC00;
-	ast_moutdwm(ast, 0x1E6E0018, data);
-
-	ast_moutdwm(ast, 0x1E6E0034, 0x00000001);
-	ast_moutdwm(ast, 0x1E6E000C, 0x00000040);
-	udelay(50);
-	/* Mode Register Setting */
-	ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS | 0x100);
-	ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS);
-	ast_moutdwm(ast, 0x1E6E0028, 0x00000005);
-	ast_moutdwm(ast, 0x1E6E0028, 0x00000007);
-	ast_moutdwm(ast, 0x1E6E0028, 0x00000003);
-	ast_moutdwm(ast, 0x1E6E0028, 0x00000001);
-	ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS);
-	ast_moutdwm(ast, 0x1E6E000C, 0x00005C08);
-	ast_moutdwm(ast, 0x1E6E0028, 0x00000001);
-
-	ast_moutdwm(ast, 0x1E6E000C, 0x00005C01);
-	data = 0;
-	if (param->wodt) {
-		data = 0x300;
-	}
-	if (param->rodt) {
-		data = data | 0x3000 | ((param->reg_AC2 & 0x60000) >> 3);
-	}
-	ast_moutdwm(ast, 0x1E6E0034, data | 0x3);
-
-	/* Calibrate the DQSI delay */
-	if ((cbr_dll2(ast, param) == false) && (retry++ < 10))
-		goto ddr3_init_start;
-
-	ast_moutdwm(ast, 0x1E6E0120, param->reg_FREQ);
-	/* ECC Memory Initialization */
-#ifdef ECC
-	ast_moutdwm(ast, 0x1E6E007C, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0070, 0x221);
-	do {
-		data = ast_mindwm(ast, 0x1E6E0070);
-	} while (!(data & 0x00001000));
-	ast_moutdwm(ast, 0x1E6E0070, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0050, 0x80000000);
-	ast_moutdwm(ast, 0x1E6E0050, 0x00000000);
-#endif
-
-
-}
-
-static void get_ddr2_info(struct ast_device *ast, struct ast2300_dram_param *param)
-{
-	u32 trap, trap_AC2, trap_MRS;
-
-	ast_moutdwm(ast, 0x1E6E2000, 0x1688A8A8);
-
-	/* Ger trap info */
-	trap = (ast_mindwm(ast, 0x1E6E2070) >> 25) & 0x3;
-	trap_AC2  = (trap << 20) | (trap << 16);
-	trap_AC2 += 0x00110000;
-	trap_MRS  = 0x00000040 | (trap << 4);
-
-
-	param->reg_MADJ       = 0x00034C4C;
-	param->reg_SADJ       = 0x00001800;
-	param->reg_DRV        = 0x000000F0;
-	param->reg_PERIOD     = param->dram_freq;
-	param->rodt           = 0;
-
-	switch (param->dram_freq) {
-	case 264:
-		ast_moutdwm(ast, 0x1E6E2020, 0x0130);
-		param->wodt          = 0;
-		param->reg_AC1       = 0x11101513;
-		param->reg_AC2       = 0x78117011;
-		param->reg_DQSIC     = 0x00000092;
-		param->reg_MRS       = 0x00000842;
-		param->reg_EMRS      = 0x00000000;
-		param->reg_DRV       = 0x000000F0;
-		param->reg_IOZ       = 0x00000034;
-		param->reg_DQIDLY    = 0x0000005A;
-		param->reg_FREQ      = 0x00004AC0;
-		param->madj_max      = 138;
-		param->dll2_finetune_step = 3;
-		break;
-	case 336:
-		ast_moutdwm(ast, 0x1E6E2020, 0x0190);
-		param->wodt          = 1;
-		param->reg_AC1       = 0x22202613;
-		param->reg_AC2       = 0xAA009016 | trap_AC2;
-		param->reg_DQSIC     = 0x000000BA;
-		param->reg_MRS       = 0x00000A02 | trap_MRS;
-		param->reg_EMRS      = 0x00000040;
-		param->reg_DRV       = 0x000000FA;
-		param->reg_IOZ       = 0x00000034;
-		param->reg_DQIDLY    = 0x00000074;
-		param->reg_FREQ      = 0x00004DC0;
-		param->madj_max      = 96;
-		param->dll2_finetune_step = 3;
-		switch (param->dram_chipid) {
-		default:
-		case AST_DRAM_512Mx16:
-			param->reg_AC2   = 0xAA009012 | trap_AC2;
-			break;
-		case AST_DRAM_1Gx16:
-			param->reg_AC2   = 0xAA009016 | trap_AC2;
-			break;
-		case AST_DRAM_2Gx16:
-			param->reg_AC2   = 0xAA009023 | trap_AC2;
-			break;
-		case AST_DRAM_4Gx16:
-			param->reg_AC2   = 0xAA00903B | trap_AC2;
-			break;
-		}
-		break;
-	default:
-	case 396:
-		ast_moutdwm(ast, 0x1E6E2020, 0x03F1);
-		param->wodt          = 1;
-		param->rodt          = 0;
-		param->reg_AC1       = 0x33302714;
-		param->reg_AC2       = 0xCC00B01B | trap_AC2;
-		param->reg_DQSIC     = 0x000000E2;
-		param->reg_MRS       = 0x00000C02 | trap_MRS;
-		param->reg_EMRS      = 0x00000040;
-		param->reg_DRV       = 0x000000FA;
-		param->reg_IOZ       = 0x00000034;
-		param->reg_DQIDLY    = 0x00000089;
-		param->reg_FREQ      = 0x00005040;
-		param->madj_max      = 96;
-		param->dll2_finetune_step = 4;
-
-		switch (param->dram_chipid) {
-		case AST_DRAM_512Mx16:
-			param->reg_AC2   = 0xCC00B016 | trap_AC2;
-			break;
-		default:
-		case AST_DRAM_1Gx16:
-			param->reg_AC2   = 0xCC00B01B | trap_AC2;
-			break;
-		case AST_DRAM_2Gx16:
-			param->reg_AC2   = 0xCC00B02B | trap_AC2;
-			break;
-		case AST_DRAM_4Gx16:
-			param->reg_AC2   = 0xCC00B03F | trap_AC2;
-			break;
-		}
-
-		break;
-
-	case 408:
-		ast_moutdwm(ast, 0x1E6E2020, 0x01F0);
-		param->wodt          = 1;
-		param->rodt          = 0;
-		param->reg_AC1       = 0x33302714;
-		param->reg_AC2       = 0xCC00B01B | trap_AC2;
-		param->reg_DQSIC     = 0x000000E2;
-		param->reg_MRS       = 0x00000C02 | trap_MRS;
-		param->reg_EMRS      = 0x00000040;
-		param->reg_DRV       = 0x000000FA;
-		param->reg_IOZ       = 0x00000034;
-		param->reg_DQIDLY    = 0x00000089;
-		param->reg_FREQ      = 0x000050C0;
-		param->madj_max      = 96;
-		param->dll2_finetune_step = 4;
-
-		switch (param->dram_chipid) {
-		case AST_DRAM_512Mx16:
-			param->reg_AC2   = 0xCC00B016 | trap_AC2;
-			break;
-		default:
-		case AST_DRAM_1Gx16:
-			param->reg_AC2   = 0xCC00B01B | trap_AC2;
-			break;
-		case AST_DRAM_2Gx16:
-			param->reg_AC2   = 0xCC00B02B | trap_AC2;
-			break;
-		case AST_DRAM_4Gx16:
-			param->reg_AC2   = 0xCC00B03F | trap_AC2;
-			break;
-		}
-
-		break;
-	case 456:
-		ast_moutdwm(ast, 0x1E6E2020, 0x0230);
-		param->wodt          = 0;
-		param->reg_AC1       = 0x33302815;
-		param->reg_AC2       = 0xCD44B01E;
-		param->reg_DQSIC     = 0x000000FC;
-		param->reg_MRS       = 0x00000E72;
-		param->reg_EMRS      = 0x00000000;
-		param->reg_DRV       = 0x00000000;
-		param->reg_IOZ       = 0x00000034;
-		param->reg_DQIDLY    = 0x00000097;
-		param->reg_FREQ      = 0x000052C0;
-		param->madj_max      = 88;
-		param->dll2_finetune_step = 3;
-		break;
-	case 504:
-		ast_moutdwm(ast, 0x1E6E2020, 0x0261);
-		param->wodt          = 1;
-		param->rodt          = 1;
-		param->reg_AC1       = 0x33302815;
-		param->reg_AC2       = 0xDE44C022;
-		param->reg_DQSIC     = 0x00000117;
-		param->reg_MRS       = 0x00000E72;
-		param->reg_EMRS      = 0x00000040;
-		param->reg_DRV       = 0x0000000A;
-		param->reg_IOZ       = 0x00000045;
-		param->reg_DQIDLY    = 0x000000A0;
-		param->reg_FREQ      = 0x000054C0;
-		param->madj_max      = 79;
-		param->dll2_finetune_step = 3;
-		break;
-	case 528:
-		ast_moutdwm(ast, 0x1E6E2020, 0x0120);
-		param->wodt          = 1;
-		param->rodt          = 1;
-		param->reg_AC1       = 0x33302815;
-		param->reg_AC2       = 0xEF44D024;
-		param->reg_DQSIC     = 0x00000125;
-		param->reg_MRS       = 0x00000E72;
-		param->reg_EMRS      = 0x00000004;
-		param->reg_DRV       = 0x000000F9;
-		param->reg_IOZ       = 0x00000045;
-		param->reg_DQIDLY    = 0x000000A7;
-		param->reg_FREQ      = 0x000055C0;
-		param->madj_max      = 76;
-		param->dll2_finetune_step = 3;
-		break;
-	case 552:
-		ast_moutdwm(ast, 0x1E6E2020, 0x02A1);
-		param->wodt          = 1;
-		param->rodt          = 1;
-		param->reg_AC1       = 0x43402915;
-		param->reg_AC2       = 0xFF44E025;
-		param->reg_DQSIC     = 0x00000132;
-		param->reg_MRS       = 0x00000E72;
-		param->reg_EMRS      = 0x00000040;
-		param->reg_DRV       = 0x0000000A;
-		param->reg_IOZ       = 0x00000045;
-		param->reg_DQIDLY    = 0x000000AD;
-		param->reg_FREQ      = 0x000056C0;
-		param->madj_max      = 76;
-		param->dll2_finetune_step = 3;
-		break;
-	case 576:
-		ast_moutdwm(ast, 0x1E6E2020, 0x0140);
-		param->wodt          = 1;
-		param->rodt          = 1;
-		param->reg_AC1       = 0x43402915;
-		param->reg_AC2       = 0xFF44E027;
-		param->reg_DQSIC     = 0x0000013F;
-		param->reg_MRS       = 0x00000E72;
-		param->reg_EMRS      = 0x00000004;
-		param->reg_DRV       = 0x000000F5;
-		param->reg_IOZ       = 0x00000045;
-		param->reg_DQIDLY    = 0x000000B3;
-		param->reg_FREQ      = 0x000057C0;
-		param->madj_max      = 76;
-		param->dll2_finetune_step = 3;
-		break;
-	}
-
-	switch (param->dram_chipid) {
-	case AST_DRAM_512Mx16:
-		param->dram_config = 0x100;
-		break;
-	default:
-	case AST_DRAM_1Gx16:
-		param->dram_config = 0x121;
-		break;
-	case AST_DRAM_2Gx16:
-		param->dram_config = 0x122;
-		break;
-	case AST_DRAM_4Gx16:
-		param->dram_config = 0x123;
-		break;
-	} /* switch size */
-
-	switch (param->vram_size) {
-	default:
-	case SZ_8M:
-		param->dram_config |= 0x00;
-		break;
-	case SZ_16M:
-		param->dram_config |= 0x04;
-		break;
-	case SZ_32M:
-		param->dram_config |= 0x08;
-		break;
-	case SZ_64M:
-		param->dram_config |= 0x0c;
-		break;
-	}
-}
-
-static void ddr2_init(struct ast_device *ast, struct ast2300_dram_param *param)
-{
-	u32 data, data2, retry = 0;
-
-ddr2_init_start:
-	ast_moutdwm(ast, 0x1E6E0000, 0xFC600309);
-	ast_moutdwm(ast, 0x1E6E0018, 0x00000100);
-	ast_moutdwm(ast, 0x1E6E0024, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ);
-	ast_moutdwm(ast, 0x1E6E0068, param->reg_SADJ);
-	udelay(10);
-	ast_moutdwm(ast, 0x1E6E0064, param->reg_MADJ | 0xC0000);
-	udelay(10);
-
-	ast_moutdwm(ast, 0x1E6E0004, param->dram_config);
-	ast_moutdwm(ast, 0x1E6E0008, 0x90040f);
-	ast_moutdwm(ast, 0x1E6E0010, param->reg_AC1);
-	ast_moutdwm(ast, 0x1E6E0014, param->reg_AC2);
-	ast_moutdwm(ast, 0x1E6E0020, param->reg_DQSIC);
-	ast_moutdwm(ast, 0x1E6E0080, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0084, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0088, param->reg_DQIDLY);
-	ast_moutdwm(ast, 0x1E6E0018, 0x4000A130);
-	ast_moutdwm(ast, 0x1E6E0018, 0x00002330);
-	ast_moutdwm(ast, 0x1E6E0038, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0040, 0xFF808000);
-	ast_moutdwm(ast, 0x1E6E0044, 0x88848466);
-	ast_moutdwm(ast, 0x1E6E0048, 0x44440008);
-	ast_moutdwm(ast, 0x1E6E004C, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0050, 0x80000000);
-	ast_moutdwm(ast, 0x1E6E0050, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0054, 0);
-	ast_moutdwm(ast, 0x1E6E0060, param->reg_DRV);
-	ast_moutdwm(ast, 0x1E6E006C, param->reg_IOZ);
-	ast_moutdwm(ast, 0x1E6E0070, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0074, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0078, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E007C, 0x00000000);
-
-	/* Wait MCLK2X lock to MCLK */
-	do {
-		data = ast_mindwm(ast, 0x1E6E001C);
-	} while (!(data & 0x08000000));
-	data = ast_mindwm(ast, 0x1E6E001C);
-	data = (data >> 8) & 0xff;
-	while ((data & 0x08) || ((data & 0x7) < 2) || (data < 4)) {
-		data2 = (ast_mindwm(ast, 0x1E6E0064) & 0xfff3ffff) + 4;
-		if ((data2 & 0xff) > param->madj_max) {
-			break;
-		}
-		ast_moutdwm(ast, 0x1E6E0064, data2);
-		if (data2 & 0x00100000) {
-			data2 = ((data2 & 0xff) >> 3) + 3;
-		} else {
-			data2 = ((data2 & 0xff) >> 2) + 5;
-		}
-		data = ast_mindwm(ast, 0x1E6E0068) & 0xffff00ff;
-		data2 += data & 0xff;
-		data = data | (data2 << 8);
-		ast_moutdwm(ast, 0x1E6E0068, data);
-		udelay(10);
-		ast_moutdwm(ast, 0x1E6E0064, ast_mindwm(ast, 0x1E6E0064) | 0xC0000);
-		udelay(10);
-		data = ast_mindwm(ast, 0x1E6E0018) & 0xfffff1ff;
-		ast_moutdwm(ast, 0x1E6E0018, data);
-		data = data | 0x200;
-		ast_moutdwm(ast, 0x1E6E0018, data);
-		do {
-			data = ast_mindwm(ast, 0x1E6E001C);
-		} while (!(data & 0x08000000));
-
-		data = ast_mindwm(ast, 0x1E6E001C);
-		data = (data >> 8) & 0xff;
-	}
-	ast_moutdwm(ast, 0x1E720058, ast_mindwm(ast, 0x1E6E0008) & 0xffff);
-	data = ast_mindwm(ast, 0x1E6E0018) | 0xC00;
-	ast_moutdwm(ast, 0x1E6E0018, data);
-
-	ast_moutdwm(ast, 0x1E6E0034, 0x00000001);
-	ast_moutdwm(ast, 0x1E6E000C, 0x00000000);
-	udelay(50);
-	/* Mode Register Setting */
-	ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS | 0x100);
-	ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS);
-	ast_moutdwm(ast, 0x1E6E0028, 0x00000005);
-	ast_moutdwm(ast, 0x1E6E0028, 0x00000007);
-	ast_moutdwm(ast, 0x1E6E0028, 0x00000003);
-	ast_moutdwm(ast, 0x1E6E0028, 0x00000001);
-
-	ast_moutdwm(ast, 0x1E6E000C, 0x00005C08);
-	ast_moutdwm(ast, 0x1E6E002C, param->reg_MRS);
-	ast_moutdwm(ast, 0x1E6E0028, 0x00000001);
-	ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS | 0x380);
-	ast_moutdwm(ast, 0x1E6E0028, 0x00000003);
-	ast_moutdwm(ast, 0x1E6E0030, param->reg_EMRS);
-	ast_moutdwm(ast, 0x1E6E0028, 0x00000003);
-
-	ast_moutdwm(ast, 0x1E6E000C, 0x7FFF5C01);
-	data = 0;
-	if (param->wodt) {
-		data = 0x500;
-	}
-	if (param->rodt) {
-		data = data | 0x3000 | ((param->reg_AC2 & 0x60000) >> 3);
-	}
-	ast_moutdwm(ast, 0x1E6E0034, data | 0x3);
-	ast_moutdwm(ast, 0x1E6E0120, param->reg_FREQ);
-
-	/* Calibrate the DQSI delay */
-	if ((cbr_dll2(ast, param) == false) && (retry++ < 10))
-		goto ddr2_init_start;
-
-	/* ECC Memory Initialization */
-#ifdef ECC
-	ast_moutdwm(ast, 0x1E6E007C, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0070, 0x221);
-	do {
-		data = ast_mindwm(ast, 0x1E6E0070);
-	} while (!(data & 0x00001000));
-	ast_moutdwm(ast, 0x1E6E0070, 0x00000000);
-	ast_moutdwm(ast, 0x1E6E0050, 0x80000000);
-	ast_moutdwm(ast, 0x1E6E0050, 0x00000000);
-#endif
-
-}
-
-static void ast_post_chip_2300(struct ast_device *ast)
-{
-	struct ast2300_dram_param param;
-	u32 temp;
-	u8 reg;
-
-	reg = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xd0, 0xff);
-	if ((reg & 0x80) == 0) {/* vga only */
-		ast_write32(ast, 0xf004, 0x1e6e0000);
-		ast_write32(ast, 0xf000, 0x1);
-		ast_write32(ast, 0x12000, 0x1688a8a8);
-		do {
-			;
-		} while (ast_read32(ast, 0x12000) != 0x1);
-
-		ast_write32(ast, 0x10000, 0xfc600309);
-		do {
-			;
-		} while (ast_read32(ast, 0x10000) != 0x1);
-
-		/* Slow down CPU/AHB CLK in VGA only mode */
-		temp = ast_read32(ast, 0x12008);
-		temp |= 0x73;
-		ast_write32(ast, 0x12008, temp);
-
-		param.dram_freq = 396;
-		param.dram_type = AST_DDR3;
-		temp = ast_mindwm(ast, 0x1e6e2070);
-		if (temp & 0x01000000)
-			param.dram_type = AST_DDR2;
-                switch (temp & 0x18000000) {
-		case 0:
-			param.dram_chipid = AST_DRAM_512Mx16;
-			break;
-		default:
-		case 0x08000000:
-			param.dram_chipid = AST_DRAM_1Gx16;
-			break;
-		case 0x10000000:
-			param.dram_chipid = AST_DRAM_2Gx16;
-			break;
-		case 0x18000000:
-			param.dram_chipid = AST_DRAM_4Gx16;
-			break;
-		}
-                switch (temp & 0x0c) {
-                default:
-		case 0x00:
-			param.vram_size = SZ_8M;
-			break;
-
-		case 0x04:
-			param.vram_size = SZ_16M;
-			break;
-
-		case 0x08:
-			param.vram_size = SZ_32M;
-			break;
-
-		case 0x0c:
-			param.vram_size = SZ_64M;
-			break;
-		}
-
-		if (param.dram_type == AST_DDR3) {
-			get_ddr3_info(ast, &param);
-			ddr3_init(ast, &param);
-		} else {
-			get_ddr2_info(ast, &param);
-			ddr2_init(ast, &param);
-		}
-
-		temp = ast_mindwm(ast, 0x1e6e2040);
-		ast_moutdwm(ast, 0x1e6e2040, temp | 0x40);
-	}
-
-	/* wait ready */
-	do {
-		reg = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xd0, 0xff);
-	} while ((reg & 0x40) == 0);
-}
-- 
2.50.0



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