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path: root/drivers/gpu/drm/ast/ast_post.c
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-rw-r--r--drivers/gpu/drm/ast/ast_post.c1780
1 files changed, 1780 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_post.c b/drivers/gpu/drm/ast/ast_post.c
new file mode 100644
index 000000000000..6edbee63b0cb
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_post.c
@@ -0,0 +1,1780 @@
+/*
+ * 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@redhat.com>
+ */
+
+#include "drmP.h"
+#include "ast_drv.h"
+
+#include "ast_dram_tables.h"
+
+static void ast_init_dram_2300(struct drm_device *dev);
+
+static void
+ast_enable_vga(struct drm_device *dev)
+{
+ struct ast_private *ast = dev->dev_private;
+
+ ast_io_write8(ast, 0x43, 0x01);
+ ast_io_write8(ast, 0x42, 0x01);
+}
+
+#if 0 /* will use later */
+static bool
+ast_is_vga_enabled(struct drm_device *dev)
+{
+ struct ast_private *ast = dev->dev_private;
+ u8 ch;
+
+ if (ast->chip == AST1180) {
+ /* TODO 1180 */
+ } else {
+ ch = ast_io_read8(ast, 0x43);
+ if (ch) {
+ ast_open_key(ast);
+ ch = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xff);
+ return ch & 0x04;
+ }
+ }
+ return 0;
+}
+#endif
+
+static const u8 extreginfo[] = { 0x0f, 0x04, 0x1c, 0xff };
+static const u8 extreginfo_ast2300a0[] = { 0x0f, 0x04, 0x1c, 0xff };
+static const u8 extreginfo_ast2300[] = { 0x0f, 0x04, 0x1f, 0xff };
+
+static void
+ast_set_def_ext_reg(struct drm_device *dev)
+{
+ struct ast_private *ast = dev->dev_private;
+ u8 i, index, reg;
+ const u8 *ext_reg_info;
+
+ /* reset scratch */
+ for (i = 0x81; i <= 0x8f; i++)
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, 0x00);
+
+ if (ast->chip == AST2300) {
+ if (dev->pdev->revision >= 0x20)
+ ext_reg_info = extreginfo_ast2300;
+ else
+ ext_reg_info = extreginfo_ast2300a0;
+ } else
+ ext_reg_info = extreginfo;
+
+ index = 0xa0;
+ while (*ext_reg_info != 0xff) {
+ ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, index, 0x00, *ext_reg_info);
+ index++;
+ ext_reg_info++;
+ }
+
+ /* disable standard IO/MEM decode if secondary */
+ /* ast_set_index_reg-mask(ast, AST_IO_CRTC_PORT, 0xa1, 0xff, 0x3); */
+
+ /* Set Ext. Default */
+ ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x8c, 0x00, 0x01);
+ ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x00, 0x00);
+
+ /* Enable RAMDAC for A1 */
+ reg = 0x04;
+ if (ast->chip == AST2300)
+ reg |= 0x20;
+ ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xff, reg);
+}
+
+static inline u32 mindwm(struct ast_private *ast, u32 r)
+{
+ ast_write32(ast, 0xf004, r & 0xffff0000);
+ ast_write32(ast, 0xf000, 0x1);
+
+ return ast_read32(ast, 0x10000 + (r & 0x0000ffff));
+}
+
+static inline void moutdwm(struct ast_private *ast, u32 r, u32 v)
+{
+ ast_write32(ast, 0xf004, r & 0xffff0000);
+ ast_write32(ast, 0xf000, 0x1);
+ ast_write32(ast, 0x10000 + (r & 0x0000ffff), v);
+}
+
+/*
+ * AST2100/2150 DLL CBR Setting
+ */
+#define CBR_SIZE_AST2150 ((16 << 10) - 1)
+#define CBR_PASSNUM_AST2150 5
+#define CBR_THRESHOLD_AST2150 10
+#define CBR_THRESHOLD2_AST2150 10
+#define TIMEOUT_AST2150 5000000
+
+#define CBR_PATNUM_AST2150 8
+
+static const u32 pattern_AST2150[14] = {
+ 0xFF00FF00,
+ 0xCC33CC33,
+ 0xAA55AA55,
+ 0xFFFE0001,
+ 0x683501FE,
+ 0x0F1929B0,
+ 0x2D0B4346,
+ 0x60767F02,
+ 0x6FBE36A6,
+ 0x3A253035,
+ 0x3019686D,
+ 0x41C6167E,
+ 0x620152BF,
+ 0x20F050E0
+};
+
+static u32 mmctestburst2_ast2150(struct ast_private *ast, u32 datagen)
+{
+ u32 data, timeout;
+
+ moutdwm(ast, 0x1e6e0070, 0x00000000);
+ moutdwm(ast, 0x1e6e0070, 0x00000001 | (datagen << 3));
+ timeout = 0;
+ do {
+ data = mindwm(ast, 0x1e6e0070) & 0x40;
+ if (++timeout > TIMEOUT_AST2150) {
+ moutdwm(ast, 0x1e6e0070, 0x00000000);
+ return 0xffffffff;
+ }
+ } while (!data);
+ moutdwm(ast, 0x1e6e0070, 0x00000000);
+ moutdwm(ast, 0x1e6e0070, 0x00000003 | (datagen << 3));
+ timeout = 0;
+ do {
+ data = mindwm(ast, 0x1e6e0070) & 0x40;
+ if (++timeout > TIMEOUT_AST2150) {
+ moutdwm(ast, 0x1e6e0070, 0x00000000);
+ return 0xffffffff;
+ }
+ } while (!data);
+ data = (mindwm(ast, 0x1e6e0070) & 0x80) >> 7;
+ moutdwm(ast, 0x1e6e0070, 0x00000000);
+ return data;
+}
+
+#if 0 /* unused in DDX driver - here for completeness */
+static u32 mmctestsingle2_ast2150(struct ast_private *ast, u32 datagen)
+{
+ u32 data, timeout;
+
+ moutdwm(ast, 0x1e6e0070, 0x00000000);
+ moutdwm(ast, 0x1e6e0070, 0x00000005 | (datagen << 3));
+ timeout = 0;
+ do {
+ data = mindwm(ast, 0x1e6e0070) & 0x40;
+ if (++timeout > TIMEOUT_AST2150) {
+ moutdwm(ast, 0x1e6e0070, 0x00000000);
+ return 0xffffffff;
+ }
+ } while (!data);
+ data = (mindwm(ast, 0x1e6e0070) & 0x80) >> 7;
+ moutdwm(ast, 0x1e6e0070, 0x00000000);
+ return data;
+}
+#endif
+
+static int cbrtest_ast2150(struct ast_private *ast)
+{
+ int i;
+
+ for (i = 0; i < 8; i++)
+ if (mmctestburst2_ast2150(ast, i))
+ return 0;
+ return 1;
+}
+
+static int cbrscan_ast2150(struct ast_private *ast, int busw)
+{
+ u32 patcnt, loop;
+
+ for (patcnt = 0; patcnt < CBR_PATNUM_AST2150; patcnt++) {
+ moutdwm(ast, 0x1e6e007c, pattern_AST2150[patcnt]);
+ for (loop = 0; loop < CBR_PASSNUM_AST2150; loop++) {
+ if (cbrtest_ast2150(ast))
+ break;
+ }
+ if (loop == CBR_PASSNUM_AST2150)
+ return 0;
+ }
+ return 1;
+}
+
+
+static void cbrdlli_ast2150(struct ast_private *ast, int busw)
+{
+ u32 dll_min[4], dll_max[4], dlli, data, passcnt;
+
+cbr_start:
+ dll_min[0] = dll_min[1] = dll_min[2] = dll_min[3] = 0xff;
+ dll_max[0] = dll_max[1] = dll_max[2] = dll_max[3] = 0x0;
+ passcnt = 0;
+
+ for (dlli = 0; dlli < 100; dlli++) {
+ moutdwm(ast, 0x1e6e0068, dlli | (dlli << 8) | (dlli << 16) | (dlli << 24));
+ data = cbrscan_ast2150(ast, busw);
+ if (data != 0) {
+ if (data & 0x1) {
+ if (dll_min[0] > dlli)
+ dll_min[0] = dlli;
+ if (dll_max[0] < dlli)
+ dll_max[0] = dlli;
+ }
+ passcnt++;
+ } else if (passcnt >= CBR_THRESHOLD_AST2150)
+ goto cbr_start;
+ }
+ if (dll_max[0] == 0 || (dll_max[0]-dll_min[0]) < CBR_THRESHOLD_AST2150)
+ goto cbr_start;
+
+ dlli = dll_min[0] + (((dll_max[0] - dll_min[0]) * 7) >> 4);
+ moutdwm(ast, 0x1e6e0068, dlli | (dlli << 8) | (dlli << 16) | (dlli << 24));
+}
+
+
+
+static void ast_init_dram_reg(struct drm_device *dev)
+{
+ struct ast_private *ast = dev->dev_private;
+ u8 j;
+ u32 data, temp, i;
+ const struct ast_dramstruct *dram_reg_info;
+
+ j = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
+
+ if ((j & 0x80) == 0) { /* VGA only */
+ if (ast->chip == AST2000) {
+ dram_reg_info = ast2000_dram_table_data;
+ ast_write32(ast, 0xf004, 0x1e6e0000);
+ ast_write32(ast, 0xf000, 0x1);
+ ast_write32(ast, 0x10100, 0xa8);
+
+ do {
+ ;
+ } while (ast_read32(ast, 0x10100) != 0xa8);
+ } else {/* AST2100/1100 */
+ if (ast->chip == AST2100 || ast->chip == 2200)
+ dram_reg_info = ast2100_dram_table_data;
+ else
+ dram_reg_info = ast1100_dram_table_data;
+
+ ast_write32(ast, 0xf004, 0x1e6e0000);
+ ast_write32(ast, 0xf000, 0x1);
+ ast_write32(ast, 0x12000, 0x1688A8A8);
+ do {
+ ;
+ } while (ast_read32(ast, 0x12000) != 0x01);
+
+ ast_write32(ast, 0x10000, 0xfc600309);
+ do {
+ ;
+ } while (ast_read32(ast, 0x10000) != 0x01);
+ }
+
+ while (dram_reg_info->index != 0xffff) {
+ if (dram_reg_info->index == 0xff00) {/* delay fn */
+ for (i = 0; i < 15; i++)
+ udelay(dram_reg_info->data);
+ } else if (dram_reg_info->index == 0x4 && ast->chip != AST2000) {
+ data = dram_reg_info->data;
+ if (ast->dram_type == AST_DRAM_1Gx16)
+ data = 0x00000d89;
+ else if (ast->dram_type == AST_DRAM_1Gx32)
+ data = 0x00000c8d;
+
+ temp = ast_read32(ast, 0x12070);
+ temp &= 0xc;
+ temp <<= 2;
+ ast_write32(ast, 0x10000 + dram_reg_info->index, data | temp);
+ } else
+ ast_write32(ast, 0x10000 + dram_reg_info->index, dram_reg_info->data);
+ dram_reg_info++;
+ }
+
+ /* AST 2100/2150 DRAM calibration */
+ data = ast_read32(ast, 0x10120);
+ if (data == 0x5061) { /* 266Mhz */
+ data = ast_read32(ast, 0x10004);
+ if (data & 0x40)
+ cbrdlli_ast2150(ast, 16); /* 16 bits */
+ else
+ cbrdlli_ast2150(ast, 32); /* 32 bits */
+ }
+
+ switch (ast->chip) {
+ case AST2000:
+ temp = ast_read32(ast, 0x10140);
+ ast_write32(ast, 0x10140, temp | 0x40);
+ break;
+ case AST1100:
+ case AST2100:
+ case AST2200:
+ case AST2150:
+ temp = ast_read32(ast, 0x1200c);
+ ast_write32(ast, 0x1200c, temp & 0xfffffffd);
+ temp = ast_read32(ast, 0x12040);
+ ast_write32(ast, 0x12040, temp | 0x40);
+ break;
+ default:
+ break;
+ }
+ }
+
+ /* wait ready */
+ do {
+ j = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
+ } while ((j & 0x40) == 0);
+}
+
+void ast_post_gpu(struct drm_device *dev)
+{
+ u32 reg;
+ struct ast_private *ast = dev->dev_private;
+
+ pci_read_config_dword(ast->dev->pdev, 0x04, &reg);
+ reg |= 0x3;
+ pci_write_config_dword(ast->dev->pdev, 0x04, reg);
+
+ ast_enable_vga(dev);
+ ast_open_key(ast);
+ ast_set_def_ext_reg(dev);
+
+ if (ast->chip == AST2300)
+ ast_init_dram_2300(dev);
+ else
+ ast_init_dram_reg(dev);
+}
+
+/* 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_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
+};
+
+#if 0 /* unused in DDX, included for completeness */
+static int mmc_test_burst(struct ast_private *ast, u32 datagen)
+{
+ u32 data, timeout;
+
+ moutdwm(ast, 0x1e6e0070, 0x00000000);
+ moutdwm(ast, 0x1e6e0070, 0x000000c1 | (datagen << 3));
+ timeout = 0;
+ do {
+ data = mindwm(ast, 0x1e6e0070) & 0x3000;
+ if (data & 0x2000) {
+ return 0;
+ }
+ if (++timeout > TIMEOUT) {
+ moutdwm(ast, 0x1e6e0070, 0x00000000);
+ return 0;
+ }
+ } while (!data);
+ moutdwm(ast, 0x1e6e0070, 0x00000000);
+ return 1;
+}
+#endif
+
+static int mmc_test_burst2(struct ast_private *ast, u32 datagen)
+{
+ u32 data, timeout;
+
+ moutdwm(ast, 0x1e6e0070, 0x00000000);
+ moutdwm(ast, 0x1e6e0070, 0x00000041 | (datagen << 3));
+ timeout = 0;
+ do {
+ data = mindwm(ast, 0x1e6e0070) & 0x1000;
+ if (++timeout > TIMEOUT) {
+ moutdwm(ast, 0x1e6e0070, 0x0);
+ return -1;
+ }
+ } while (!data);
+ data = mindwm(ast, 0x1e6e0078);
+ data = (data | (data >> 16)) & 0xffff;
+ moutdwm(ast, 0x1e6e0070, 0x0);
+ return data;
+}
+
+#if 0 /* Unused in DDX here for completeness */
+static int mmc_test_single(struct ast_private *ast, u32 datagen)
+{
+ u32 data, timeout;
+
+ moutdwm(ast, 0x1e6e0070, 0x00000000);
+ moutdwm(ast, 0x1e6e0070, 0x000000c5 | (datagen << 3));
+ timeout = 0;
+ do {
+ data = mindwm(ast, 0x1e6e0070) & 0x3000;
+ if (data & 0x2000)
+ return 0;
+ if (++timeout > TIMEOUT) {
+ moutdwm(ast, 0x1e6e0070, 0x0);
+ return 0;
+ }
+ } while (!data);
+ moutdwm(ast, 0x1e6e0070, 0x0);
+ return 1;
+}
+#endif
+
+static int mmc_test_single2(struct ast_private *ast, u32 datagen)
+{
+ u32 data, timeout;
+
+ moutdwm(ast, 0x1e6e0070, 0x00000000);
+ moutdwm(ast, 0x1e6e0070, 0x00000005 | (datagen << 3));
+ timeout = 0;
+ do {
+ data = mindwm(ast, 0x1e6e0070) & 0x1000;
+ if (++timeout > TIMEOUT) {
+ moutdwm(ast, 0x1e6e0070, 0x0);
+ return -1;
+ }
+ } while (!data);
+ data = mindwm(ast, 0x1e6e0078);
+ data = (data | (data >> 16)) & 0xffff;
+ moutdwm(ast, 0x1e6e0070, 0x0);
+ return data;
+}
+
+static int cbr_test(struct ast_private *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_private *ast)
+{
+ u32 data, data2, patcnt, loop;
+
+ data2 = 3;
+ for (patcnt = 0; patcnt < CBR_PATNUM; patcnt++) {
+ 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_private *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_private *ast)
+{
+ u32 data, data2, patcnt, loop;
+
+ data2 = 0xffff;
+ for (patcnt = 0; patcnt < CBR_PATNUM; patcnt++) {
+ moutdwm(ast, 0x1e6e007c, pattern[patcnt]);
+ for (loop = 0; loop < CBR_PASSNUM2; loop++) {
+ if ((data = cbr_test2(ast)) != 0) {
+ data2 &= data;
+ if (!data)
+ return 0;
+ break;
+ }
+ }
+ if (loop == CBR_PASSNUM2)
+ return 0;
+ }
+ return data2;
+}
+
+#if 0 /* unused in DDX - added for completeness */
+static void finetuneDQI(struct ast_private *ast, struct ast2300_dram_param *param)
+{
+ u32 gold_sadj[2], dllmin[16], dllmax[16], dlli, data, cnt, mask, passcnt;
+
+ gold_sadj[0] = (mindwm(ast, 0x1E6E0024) >> 16) & 0xffff;
+ gold_sadj[1] = gold_sadj[0] >> 8;
+ gold_sadj[0] = gold_sadj[0] & 0xff;
+ gold_sadj[0] = (gold_sadj[0] + gold_sadj[1]) >> 1;
+ gold_sadj[1] = gold_sadj[0];
+
+ for (cnt = 0; cnt < 16; cnt++) {
+ dllmin[cnt] = 0xff;
+ dllmax[cnt] = 0x0;
+ }
+ passcnt = 0;
+ for (dlli = 0; dlli < 76; dlli++) {
+ moutdwm(ast, 0x1E6E0068, 0x00001400 | (dlli << 16) | (dlli << 24));
+ /* Wait DQSI latch phase calibration */
+ moutdwm(ast, 0x1E6E0074, 0x00000010);
+ moutdwm(ast, 0x1E6E0070, 0x00000003);
+ do {
+ data = mindwm(ast, 0x1E6E0070);
+ } while (!(data & 0x00001000));
+ moutdwm(ast, 0x1E6E0070, 0x00000000);
+
+ 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_THRESHOLD) {
+ break;
+ }
+ }
+ data = 0;
+ for (cnt = 0; cnt < 8; cnt++) {
+ data >>= 3;
+ if ((dllmax[cnt] > dllmin[cnt]) && ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD)) {
+ dlli = (dllmin[cnt] + dllmax[cnt]) >> 1;
+ if (gold_sadj[0] >= dlli) {
+ dlli = (gold_sadj[0] - dlli) >> 1;
+ if (dlli > 3) {
+ dlli = 3;
+ }
+ } else {
+ dlli = (dlli - gold_sadj[0]) >> 1;
+ if (dlli > 4) {
+ dlli = 4;
+ }
+ dlli = (8 - dlli) & 0x7;
+ }
+ data |= dlli << 21;
+ }
+ }
+ moutdwm(ast, 0x1E6E0080, data);
+
+ data = 0;
+ for (cnt = 8; cnt < 16; cnt++) {
+ data >>= 3;
+ if ((dllmax[cnt] > dllmin[cnt]) && ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD)) {
+ dlli = (dllmin[cnt] + dllmax[cnt]) >> 1;
+ if (gold_sadj[1] >= dlli) {
+ dlli = (gold_sadj[1] - dlli) >> 1;
+ if (dlli > 3) {
+ dlli = 3;
+ } else {
+ dlli = (dlli - 1) & 0x7;
+ }
+ } else {
+ dlli = (dlli - gold_sadj[1]) >> 1;
+ dlli += 1;
+ if (dlli > 4) {
+ dlli = 4;
+ }
+ dlli = (8 - dlli) & 0x7;
+ }
+ data |= dlli << 21;
+ }
+ }
+ moutdwm(ast, 0x1E6E0084, data);
+
+} /* finetuneDQI */
+#endif
+
+static void finetuneDQI_L(struct ast_private *ast, struct ast2300_dram_param *param)
+{
+ u32 gold_sadj[2], dllmin[16], dllmax[16], dlli, data, cnt, mask, passcnt;
+
+FINETUNE_START:
+ for (cnt = 0; cnt < 16; cnt++) {
+ dllmin[cnt] = 0xff;
+ dllmax[cnt] = 0x0;
+ }
+ passcnt = 0;
+ for (dlli = 0; dlli < 76; dlli++) {
+ moutdwm(ast, 0x1E6E0068, 0x00001400 | (dlli << 16) | (dlli << 24));
+ /* Wait DQSI latch phase calibration */
+ moutdwm(ast, 0x1E6E0074, 0x00000010);
+ moutdwm(ast, 0x1E6E0070, 0x00000003);
+ do {
+ data = mindwm(ast, 0x1E6E0070);
+ } while (!(data & 0x00001000));
+ moutdwm(ast, 0x1E6E0070, 0x00000000);
+
+ 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 (passcnt != 16) {
+ goto FINETUNE_START;
+ }
+ 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;
+ }
+ }
+ 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;
+ }
+ }
+ moutdwm(ast, 0x1E6E0084, data);
+
+} /* finetuneDQI_L */
+
+static void finetuneDQI_L2(struct ast_private *ast, struct ast2300_dram_param *param)
+{
+ u32 gold_sadj[2], dllmin[16], dllmax[16], dlli, data, cnt, mask, passcnt, data2;
+
+ for (cnt = 0; cnt < 16; cnt++) {
+ dllmin[cnt] = 0xff;
+ dllmax[cnt] = 0x0;
+ }
+ passcnt = 0;
+ for (dlli = 0; dlli < 76; dlli++) {
+ moutdwm(ast, 0x1E6E0068, 0x00001400 | (dlli << 16) | (dlli << 24));
+ /* Wait DQSI latch phase calibration */
+ moutdwm(ast, 0x1E6E0074, 0x00000010);
+ moutdwm(ast, 0x1E6E0070, 0x00000003);
+ do {
+ data = mindwm(ast, 0x1E6E0070);
+ } while (!(data & 0x00001000));
+ moutdwm(ast, 0x1E6E0070, 0x00000000);
+
+ moutdwm(ast, 0x1E6E0074, CBR_SIZE2);
+ 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;
+ gold_sadj[1] = 0xFF;
+ for (cnt = 0; cnt < 8; cnt++) {
+ if ((dllmax[cnt] > dllmin[cnt]) && ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) {
+ if (gold_sadj[0] < dllmin[cnt]) {
+ gold_sadj[0] = dllmin[cnt];
+ }
+ if (gold_sadj[1] > dllmax[cnt]) {
+ gold_sadj[1] = dllmax[cnt];
+ }
+ }
+ }
+ gold_sadj[0] = (gold_sadj[1] + gold_sadj[0]) >> 1;
+ gold_sadj[1] = mindwm(ast, 0x1E6E0080);
+
+ data = 0;
+ for (cnt = 0; cnt < 8; cnt++) {
+ data >>= 3;
+ data2 = gold_sadj[1] & 0x7;
+ gold_sadj[1] >>= 3;
+ if ((dllmax[cnt] > dllmin[cnt]) && ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) {
+ dlli = (dllmin[cnt] + dllmax[cnt]) >> 1;
+ if (gold_sadj[0] >= dlli) {
+ dlli = (gold_sadj[0] - dlli) >> 1;
+ if (dlli > 0) {
+ dlli = 1;
+ }
+ if (data2 != 3) {
+ data2 = (data2 + dlli) & 0x7;
+ }
+ } else {
+ dlli = (dlli - gold_sadj[0]) >> 1;
+ if (dlli > 0) {
+ dlli = 1;
+ }
+ if (data2 != 4) {
+ data2 = (data2 - dlli) & 0x7;
+ }
+ }
+ }
+ data |= data2 << 21;
+ }
+ moutdwm(ast, 0x1E6E0080, data);
+
+ gold_sadj[0] = 0x0;
+ gold_sadj[1] = 0xFF;
+ for (cnt = 8; cnt < 16; cnt++) {
+ if ((dllmax[cnt] > dllmin[cnt]) && ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) {
+ if (gold_sadj[0] < dllmin[cnt]) {
+ gold_sadj[0] = dllmin[cnt];
+ }
+ if (gold_sadj[1] > dllmax[cnt]) {
+ gold_sadj[1] = dllmax[cnt];
+ }
+ }
+ }
+ gold_sadj[0] = (gold_sadj[1] + gold_sadj[0]) >> 1;
+ gold_sadj[1] = mindwm(ast, 0x1E6E0084);
+
+ data = 0;
+ for (cnt = 8; cnt < 16; cnt++) {
+ data >>= 3;
+ data2 = gold_sadj[1] & 0x7;
+ gold_sadj[1] >>= 3;
+ if ((dllmax[cnt] > dllmin[cnt]) && ((dllmax[cnt] - dllmin[cnt]) >= CBR_THRESHOLD2)) {
+ dlli = (dllmin[cnt] + dllmax[cnt]) >> 1;
+ if (gold_sadj[0] >= dlli) {
+ dlli = (gold_sadj[0] - dlli) >> 1;
+ if (dlli > 0) {
+ dlli = 1;
+ }
+ if (data2 != 3) {
+ data2 = (data2 + dlli) & 0x7;
+ }
+ } else {
+ dlli = (dlli - gold_sadj[0]) >> 1;
+ if (dlli > 0) {
+ dlli = 1;
+ }
+ if (data2 != 4) {
+ data2 = (data2 - dlli) & 0x7;
+ }
+ }
+ }
+ data |= data2 << 21;
+ }
+ moutdwm(ast, 0x1E6E0084, data);
+
+} /* finetuneDQI_L2 */
+
+static void cbr_dll2(struct ast_private *ast, struct ast2300_dram_param *param)
+{
+ u32 dllmin[2], dllmax[2], dlli, data, data2, passcnt;
+
+
+ finetuneDQI_L(ast, param);
+ finetuneDQI_L2(ast, param);
+
+CBR_START2:
+ dllmin[0] = dllmin[1] = 0xff;
+ dllmax[0] = dllmax[1] = 0x0;
+ passcnt = 0;
+ for (dlli = 0; dlli < 76; dlli++) {
+ moutdwm(ast, 0x1E6E0068, 0x00001300 | (dlli << 16) | (dlli << 24));
+ /* Wait DQSI latch phase calibration */
+ moutdwm(ast, 0x1E6E0074, 0x00000010);
+ moutdwm(ast, 0x1E6E0070, 0x00000003);
+ do {
+ data = mindwm(ast, 0x1E6E0070);
+ } while (!(data & 0x00001000));
+ moutdwm(ast, 0x1E6E0070, 0x00000000);
+
+ 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 (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;
+ }
+ dlli = (dllmin[1] + dllmax[1]) >> 1;
+ dlli <<= 8;
+ dlli += (dllmin[0] + dllmax[0]) >> 1;
+ moutdwm(ast, 0x1E6E0068, (mindwm(ast, 0x1E6E0068) & 0xFFFF) | (dlli << 16));
+
+ data = (mindwm(ast, 0x1E6E0080) >> 24) & 0x1F;
+ data2 = (mindwm(ast, 0x1E6E0018) & 0xff80ffff) | (data << 16);
+ moutdwm(ast, 0x1E6E0018, data2);
+ moutdwm(ast, 0x1E6E0024, 0x8001 | (data << 1) | (param->dll2_finetune_step << 8));
+
+ /* Wait DQSI latch phase calibration */
+ moutdwm(ast, 0x1E6E0074, 0x00000010);
+ moutdwm(ast, 0x1E6E0070, 0x00000003);
+ do {
+ data = mindwm(ast, 0x1E6E0070);
+ } while (!(data & 0x00001000));
+ moutdwm(ast, 0x1E6E0070, 0x00000000);
+ moutdwm(ast, 0x1E6E0070, 0x00000003);
+ do {
+ data = mindwm(ast, 0x1E6E0070);
+ } while (!(data & 0x00001000));
+ moutdwm(ast, 0x1E6E0070, 0x00000000);
+} /* CBRDLL2 */
+
+static void get_ddr3_info(struct ast_private *ast, struct ast2300_dram_param *param)
+{
+ u32 trap, trap_AC2, trap_MRS;
+
+ moutdwm(ast, 0x1E6E2000, 0x1688A8A8);
+
+ /* Ger trap info */
+ trap = (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:
+ 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 = 0x00000034;
+ param->reg_DQIDLY = 0x00000074;
+ param->reg_FREQ = 0x00004DC0;
+ param->madj_max = 96;
+ param->dll2_finetune_step = 3;
+ break;
+ default:
+ case 396:
+ 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 = 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 408:
+ 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 = 0x00000034;
+ 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:
+ 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:
+ 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:
+ 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:
+ 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:
+ 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:
+ 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 AST_VIDMEM_SIZE_8M:
+ param->dram_config |= 0x00;
+ break;
+ case AST_VIDMEM_SIZE_16M:
+ param->dram_config |= 0x04;
+ break;
+ case AST_VIDMEM_SIZE_32M:
+ param->dram_config |= 0x08;
+ break;
+ case AST_VIDMEM_SIZE_64M:
+ param->dram_config |= 0x0c;
+ break;
+ }
+
+}
+
+static void ddr3_init(struct ast_private *ast, struct ast2300_dram_param *param)
+{
+ u32 data, data2;
+
+ moutdwm(ast, 0x1E6E0000, 0xFC600309);
+ moutdwm(ast, 0x1E6E0018, 0x00000100);
+ moutdwm(ast, 0x1E6E0024, 0x00000000);
+ moutdwm(ast, 0x1E6E0034, 0x00000000);
+ udelay(10);
+ moutdwm(ast, 0x1E6E0064, param->reg_MADJ);
+ moutdwm(ast, 0x1E6E0068, param->reg_SADJ);
+ udelay(10);
+ moutdwm(ast, 0x1E6E0064, param->reg_MADJ | 0xC0000);
+ udelay(10);
+
+ moutdwm(ast, 0x1E6E0004, param->dram_config);
+ moutdwm(ast, 0x1E6E0008, 0x90040f);
+ moutdwm(ast, 0x1E6E0010, param->reg_AC1);
+ moutdwm(ast, 0x1E6E0014, param->reg_AC2);
+ moutdwm(ast, 0x1E6E0020, param->reg_DQSIC);
+ moutdwm(ast, 0x1E6E0080, 0x00000000);
+ moutdwm(ast, 0x1E6E0084, 0x00000000);
+ moutdwm(ast, 0x1E6E0088, param->reg_DQIDLY);
+ moutdwm(ast, 0x1E6E0018, 0x4040A170);
+ moutdwm(ast, 0x1E6E0018, 0x20402370);
+ moutdwm(ast, 0x1E6E0038, 0x00000000);
+ moutdwm(ast, 0x1E6E0040, 0xFF444444);
+ moutdwm(ast, 0x1E6E0044, 0x22222222);
+ moutdwm(ast, 0x1E6E0048, 0x22222222);
+ moutdwm(ast, 0x1E6E004C, 0x00000002);
+ moutdwm(ast, 0x1E6E0050, 0x80000000);
+ moutdwm(ast, 0x1E6E0050, 0x00000000);
+ moutdwm(ast, 0x1E6E0054, 0);
+ moutdwm(ast, 0x1E6E0060, param->reg_DRV);
+ moutdwm(ast, 0x1E6E006C, param->reg_IOZ);
+ moutdwm(ast, 0x1E6E0070, 0x00000000);
+ moutdwm(ast, 0x1E6E0074, 0x00000000);
+ moutdwm(ast, 0x1E6E0078, 0x00000000);
+ moutdwm(ast, 0x1E6E007C, 0x00000000);
+ /* Wait MCLK2X lock to MCLK */
+ do {
+ data = mindwm(ast, 0x1E6E001C);
+ } while (!(data & 0x08000000));
+ moutdwm(ast, 0x1E6E0034, 0x00000001);
+ moutdwm(ast, 0x1E6E000C, 0x00005C04);
+ udelay(10);
+ moutdwm(ast, 0x1E6E000C, 0x00000000);
+ moutdwm(ast, 0x1E6E0034, 0x00000000);
+ data = mindwm(ast, 0x1E6E001C);
+ data = (data >> 8) & 0xff;
+ while ((data & 0x08) || ((data & 0x7) < 2) || (data < 4)) {
+ data2 = (mindwm(ast, 0x1E6E0064) & 0xfff3ffff) + 4;
+ if ((data2 & 0xff) > param->madj_max) {
+ break;
+ }
+ moutdwm(ast, 0x1E6E0064, data2);
+ if (data2 & 0x00100000) {
+ data2 = ((data2 & 0xff) >> 3) + 3;
+ } else {
+ data2 = ((data2 & 0xff) >> 2) + 5;
+ }
+ data = mindwm(ast, 0x1E6E0068) & 0xffff00ff;
+ data2 += data & 0xff;
+ data = data | (data2 << 8);
+ moutdwm(ast, 0x1E6E0068, data);
+ udelay(10);
+ moutdwm(ast, 0x1E6E0064, mindwm(ast, 0x1E6E0064) | 0xC0000);
+ udelay(10);
+ data = mindwm(ast, 0x1E6E0018) & 0xfffff1ff;
+ moutdwm(ast, 0x1E6E0018, data);
+ data = data | 0x200;
+ moutdwm(ast, 0x1E6E0018, data);
+ do {
+ data = mindwm(ast, 0x1E6E001C);
+ } while (!(data & 0x08000000));
+
+ moutdwm(ast, 0x1E6E0034, 0x00000001);
+ moutdwm(ast, 0x1E6E000C, 0x00005C04);
+ udelay(10);
+ moutdwm(ast, 0x1E6E000C, 0x00000000);
+ moutdwm(ast, 0x1E6E0034, 0x00000000);
+ data = mindwm(ast, 0x1E6E001C);
+ data = (data >> 8) & 0xff;
+ }
+ data = mindwm(ast, 0x1E6E0018) | 0xC00;
+ moutdwm(ast, 0x1E6E0018, data);
+
+ moutdwm(ast, 0x1E6E0034, 0x00000001);
+ moutdwm(ast, 0x1E6E000C, 0x00000040);
+ udelay(50);
+ /* Mode Register Setting */
+ moutdwm(ast, 0x1E6E002C, param->reg_MRS | 0x100);
+ moutdwm(ast, 0x1E6E0030, param->reg_EMRS);
+ moutdwm(ast, 0x1E6E0028, 0x00000005);
+ moutdwm(ast, 0x1E6E0028, 0x00000007);
+ moutdwm(ast, 0x1E6E0028, 0x00000003);
+ moutdwm(ast, 0x1E6E0028, 0x00000001);
+ moutdwm(ast, 0x1E6E002C, param->reg_MRS);
+ moutdwm(ast, 0x1E6E000C, 0x00005C08);
+ moutdwm(ast, 0x1E6E0028, 0x00000001);
+
+ moutdwm(ast, 0x1E6E000C, 0x7FFF5C01);
+ data = 0;
+ if (param->wodt) {
+ data = 0x300;
+ }
+ if (param->rodt) {
+ data = data | 0x3000 | ((param->reg_AC2 & 0x60000) >> 3);
+ }
+ moutdwm(ast, 0x1E6E0034, data | 0x3);
+
+ /* Wait DQI delay lock */
+ do {
+ data = mindwm(ast, 0x1E6E0080);
+ } while (!(data & 0x40000000));
+ /* Wait DQSI delay lock */
+ do {
+ data = mindwm(ast, 0x1E6E0020);
+ } while (!(data & 0x00000800));
+ /* Calibrate the DQSI delay */
+ cbr_dll2(ast, param);
+
+ moutdwm(ast, 0x1E6E0120, param->reg_FREQ);
+ /* ECC Memory Initialization */
+#ifdef ECC
+ moutdwm(ast, 0x1E6E007C, 0x00000000);
+ moutdwm(ast, 0x1E6E0070, 0x221);
+ do {
+ data = mindwm(ast, 0x1E6E0070);
+ } while (!(data & 0x00001000));
+ moutdwm(ast, 0x1E6E0070, 0x00000000);
+ moutdwm(ast, 0x1E6E0050, 0x80000000);
+ moutdwm(ast, 0x1E6E0050, 0x00000000);
+#endif
+
+
+}
+
+static void get_ddr2_info(struct ast_private *ast, struct ast2300_dram_param *param)
+{
+ u32 trap, trap_AC2, trap_MRS;
+
+ moutdwm(ast, 0x1E6E2000, 0x1688A8A8);
+
+ /* Ger trap info */
+ trap = (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:
+ 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:
+ 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;
+ break;
+ default:
+ case 396:
+ 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 = 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 408:
+ 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:
+ 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:
+ 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:
+ 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:
+ 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:
+ 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 AST_VIDMEM_SIZE_8M:
+ param->dram_config |= 0x00;
+ break;
+ case AST_VIDMEM_SIZE_16M:
+ param->dram_config |= 0x04;
+ break;
+ case AST_VIDMEM_SIZE_32M:
+ param->dram_config |= 0x08;
+ break;
+ case AST_VIDMEM_SIZE_64M:
+ param->dram_config |= 0x0c;
+ break;
+ }
+}
+
+static void ddr2_init(struct ast_private *ast, struct ast2300_dram_param *param)
+{
+ u32 data, data2;
+
+ moutdwm(ast, 0x1E6E0000, 0xFC600309);
+ moutdwm(ast, 0x1E6E0018, 0x00000100);
+ moutdwm(ast, 0x1E6E0024, 0x00000000);
+ moutdwm(ast, 0x1E6E0064, param->reg_MADJ);
+ moutdwm(ast, 0x1E6E0068, param->reg_SADJ);
+ udelay(10);
+ moutdwm(ast, 0x1E6E0064, param->reg_MADJ | 0xC0000);
+ udelay(10);
+
+ moutdwm(ast, 0x1E6E0004, param->dram_config);
+ moutdwm(ast, 0x1E6E0008, 0x90040f);
+ moutdwm(ast, 0x1E6E0010, param->reg_AC1);
+ moutdwm(ast, 0x1E6E0014, param->reg_AC2);
+ moutdwm(ast, 0x1E6E0020, param->reg_DQSIC);
+ moutdwm(ast, 0x1E6E0080, 0x00000000);
+ moutdwm(ast, 0x1E6E0084, 0x00000000);
+ moutdwm(ast, 0x1E6E0088, param->reg_DQIDLY);
+ moutdwm(ast, 0x1E6E0018, 0x4040A130);
+ moutdwm(ast, 0x1E6E0018, 0x20402330);
+ moutdwm(ast, 0x1E6E0038, 0x00000000);
+ moutdwm(ast, 0x1E6E0040, 0xFF808000);
+ moutdwm(ast, 0x1E6E0044, 0x88848466);
+ moutdwm(ast, 0x1E6E0048, 0x44440008);
+ moutdwm(ast, 0x1E6E004C, 0x00000000);
+ moutdwm(ast, 0x1E6E0050, 0x80000000);
+ moutdwm(ast, 0x1E6E0050, 0x00000000);
+ moutdwm(ast, 0x1E6E0054, 0);
+ moutdwm(ast, 0x1E6E0060, param->reg_DRV);
+ moutdwm(ast, 0x1E6E006C, param->reg_IOZ);
+ moutdwm(ast, 0x1E6E0070, 0x00000000);
+ moutdwm(ast, 0x1E6E0074, 0x00000000);
+ moutdwm(ast, 0x1E6E0078, 0x00000000);
+ moutdwm(ast, 0x1E6E007C, 0x00000000);
+
+ /* Wait MCLK2X lock to MCLK */
+ do {
+ data = mindwm(ast, 0x1E6E001C);
+ } while (!(data & 0x08000000));
+ moutdwm(ast, 0x1E6E0034, 0x00000001);
+ moutdwm(ast, 0x1E6E000C, 0x00005C04);
+ udelay(10);
+ moutdwm(ast, 0x1E6E000C, 0x00000000);
+ moutdwm(ast, 0x1E6E0034, 0x00000000);
+ data = mindwm(ast, 0x1E6E001C);
+ data = (data >> 8) & 0xff;
+ while ((data & 0x08) || ((data & 0x7) < 2) || (data < 4)) {
+ data2 = (mindwm(ast, 0x1E6E0064) & 0xfff3ffff) + 4;
+ if ((data2 & 0xff) > param->madj_max) {
+ break;
+ }
+ moutdwm(ast, 0x1E6E0064, data2);
+ if (data2 & 0x00100000) {
+ data2 = ((data2 & 0xff) >> 3) + 3;
+ } else {
+ data2 = ((data2 & 0xff) >> 2) + 5;
+ }
+ data = mindwm(ast, 0x1E6E0068) & 0xffff00ff;
+ data2 += data & 0xff;
+ data = data | (data2 << 8);
+ moutdwm(ast, 0x1E6E0068, data);
+ udelay(10);
+ moutdwm(ast, 0x1E6E0064, mindwm(ast, 0x1E6E0064) | 0xC0000);
+ udelay(10);
+ data = mindwm(ast, 0x1E6E0018) & 0xfffff1ff;
+ moutdwm(ast, 0x1E6E0018, data);
+ data = data | 0x200;
+ moutdwm(ast, 0x1E6E0018, data);
+ do {
+ data = mindwm(ast, 0x1E6E001C);
+ } while (!(data & 0x08000000));
+
+ moutdwm(ast, 0x1E6E0034, 0x00000001);
+ moutdwm(ast, 0x1E6E000C, 0x00005C04);
+ udelay(10);
+ moutdwm(ast, 0x1E6E000C, 0x00000000);
+ moutdwm(ast, 0x1E6E0034, 0x00000000);
+ data = mindwm(ast, 0x1E6E001C);
+ data = (data >> 8) & 0xff;
+ }
+ data = mindwm(ast, 0x1E6E0018) | 0xC00;
+ moutdwm(ast, 0x1E6E0018, data);
+
+ moutdwm(ast, 0x1E6E0034, 0x00000001);
+ moutdwm(ast, 0x1E6E000C, 0x00000000);
+ udelay(50);
+ /* Mode Register Setting */
+ moutdwm(ast, 0x1E6E002C, param->reg_MRS | 0x100);
+ moutdwm(ast, 0x1E6E0030, param->reg_EMRS);
+ moutdwm(ast, 0x1E6E0028, 0x00000005);
+ moutdwm(ast, 0x1E6E0028, 0x00000007);
+ moutdwm(ast, 0x1E6E0028, 0x00000003);
+ moutdwm(ast, 0x1E6E0028, 0x00000001);
+
+ moutdwm(ast, 0x1E6E000C, 0x00005C08);
+ moutdwm(ast, 0x1E6E002C, param->reg_MRS);
+ moutdwm(ast, 0x1E6E0028, 0x00000001);
+ moutdwm(ast, 0x1E6E0030, param->reg_EMRS | 0x380);
+ moutdwm(ast, 0x1E6E0028, 0x00000003);
+ moutdwm(ast, 0x1E6E0030, param->reg_EMRS);
+ moutdwm(ast, 0x1E6E0028, 0x00000003);
+
+ moutdwm(ast, 0x1E6E000C, 0x7FFF5C01);
+ data = 0;
+ if (param->wodt) {
+ data = 0x500;
+ }
+ if (param->rodt) {
+ data = data | 0x3000 | ((param->reg_AC2 & 0x60000) >> 3);
+ }
+ moutdwm(ast, 0x1E6E0034, data | 0x3);
+ moutdwm(ast, 0x1E6E0120, param->reg_FREQ);
+
+ /* Wait DQI delay lock */
+ do {
+ data = mindwm(ast, 0x1E6E0080);
+ } while (!(data & 0x40000000));
+ /* Wait DQSI delay lock */
+ do {
+ data = mindwm(ast, 0x1E6E0020);
+ } while (!(data & 0x00000800));
+ /* Calibrate the DQSI delay */
+ cbr_dll2(ast, param);
+
+ /* ECC Memory Initialization */
+#ifdef ECC
+ moutdwm(ast, 0x1E6E007C, 0x00000000);
+ moutdwm(ast, 0x1E6E0070, 0x221);
+ do {
+ data = mindwm(ast, 0x1E6E0070);
+ } while (!(data & 0x00001000));
+ moutdwm(ast, 0x1E6E0070, 0x00000000);
+ moutdwm(ast, 0x1E6E0050, 0x80000000);
+ moutdwm(ast, 0x1E6E0050, 0x00000000);
+#endif
+
+}
+
+static void ast_init_dram_2300(struct drm_device *dev)
+{
+ struct ast_private *ast = dev->dev_private;
+ struct ast2300_dram_param param;
+ u32 temp;
+ u8 reg;
+
+ reg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 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_type = AST_DDR3;
+ if (temp & 0x01000000)
+ param.dram_type = AST_DDR2;
+ param.dram_chipid = ast->dram_type;
+ param.dram_freq = ast->mclk;
+ param.vram_size = ast->vram_size;
+
+ 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 = mindwm(ast, 0x1e6e2040);
+ moutdwm(ast, 0x1e6e2040, temp | 0x40);
+ }
+
+ /* wait ready */
+ do {
+ reg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
+ } while ((reg & 0x40) == 0);
+}
+
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.