d1b985572a
We need to do it on machines without a BIOS such as POWER8. Also for detection to work without triggering PCIe errors, we need to enable VGA early on, inside ast_detect_chip(). While touching those files, replace a few hard coded register numbers with the corresponding symbolic constant. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
1657 lines
43 KiB
C
1657 lines
43 KiB
C
/*
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* Copyright 2012 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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*/
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/*
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* Authors: Dave Airlie <airlied@redhat.com>
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*/
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#include <drm/drmP.h>
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#include "ast_drv.h"
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#include "ast_dram_tables.h"
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static void ast_init_dram_2300(struct drm_device *dev);
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void ast_enable_vga(struct drm_device *dev)
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{
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struct ast_private *ast = dev->dev_private;
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ast_io_write8(ast, AST_IO_VGA_ENABLE_PORT, 0x01);
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ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, 0x01);
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}
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void ast_enable_mmio(struct drm_device *dev)
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{
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struct ast_private *ast = dev->dev_private;
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ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa1, 0xff, 0x04);
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}
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bool ast_is_vga_enabled(struct drm_device *dev)
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{
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struct ast_private *ast = dev->dev_private;
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u8 ch;
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if (ast->chip == AST1180) {
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/* TODO 1180 */
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} else {
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ch = ast_io_read8(ast, AST_IO_VGA_ENABLE_PORT);
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if (ch) {
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ast_open_key(ast);
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ch = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xff);
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return ch & 0x04;
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}
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}
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return 0;
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}
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static const u8 extreginfo[] = { 0x0f, 0x04, 0x1c, 0xff };
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static const u8 extreginfo_ast2300a0[] = { 0x0f, 0x04, 0x1c, 0xff };
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static const u8 extreginfo_ast2300[] = { 0x0f, 0x04, 0x1f, 0xff };
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static void
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ast_set_def_ext_reg(struct drm_device *dev)
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{
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struct ast_private *ast = dev->dev_private;
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u8 i, index, reg;
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const u8 *ext_reg_info;
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/* reset scratch */
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for (i = 0x81; i <= 0x8f; i++)
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ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, 0x00);
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if (ast->chip == AST2300 || ast->chip == AST2400) {
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if (dev->pdev->revision >= 0x20)
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ext_reg_info = extreginfo_ast2300;
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else
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ext_reg_info = extreginfo_ast2300a0;
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} else
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ext_reg_info = extreginfo;
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index = 0xa0;
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while (*ext_reg_info != 0xff) {
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ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, index, 0x00, *ext_reg_info);
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index++;
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ext_reg_info++;
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}
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/* disable standard IO/MEM decode if secondary */
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/* ast_set_index_reg-mask(ast, AST_IO_CRTC_PORT, 0xa1, 0xff, 0x3); */
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/* Set Ext. Default */
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ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x8c, 0x00, 0x01);
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ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb7, 0x00, 0x00);
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/* Enable RAMDAC for A1 */
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reg = 0x04;
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if (ast->chip == AST2300 || ast->chip == AST2400)
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reg |= 0x20;
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ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xff, reg);
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}
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u32 ast_mindwm(struct ast_private *ast, u32 r)
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{
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uint32_t data;
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ast_write32(ast, 0xf004, r & 0xffff0000);
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ast_write32(ast, 0xf000, 0x1);
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do {
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data = ast_read32(ast, 0xf004) & 0xffff0000;
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} while (data != (r & 0xffff0000));
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return ast_read32(ast, 0x10000 + (r & 0x0000ffff));
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}
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void ast_moutdwm(struct ast_private *ast, u32 r, u32 v)
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{
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uint32_t data;
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ast_write32(ast, 0xf004, r & 0xffff0000);
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ast_write32(ast, 0xf000, 0x1);
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do {
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data = ast_read32(ast, 0xf004) & 0xffff0000;
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} while (data != (r & 0xffff0000));
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ast_write32(ast, 0x10000 + (r & 0x0000ffff), v);
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}
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/*
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* AST2100/2150 DLL CBR Setting
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*/
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#define CBR_SIZE_AST2150 ((16 << 10) - 1)
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#define CBR_PASSNUM_AST2150 5
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#define CBR_THRESHOLD_AST2150 10
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#define CBR_THRESHOLD2_AST2150 10
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#define TIMEOUT_AST2150 5000000
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#define CBR_PATNUM_AST2150 8
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static const u32 pattern_AST2150[14] = {
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0xFF00FF00,
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0xCC33CC33,
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0xAA55AA55,
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0xFFFE0001,
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0x683501FE,
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0x0F1929B0,
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0x2D0B4346,
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0x60767F02,
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0x6FBE36A6,
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0x3A253035,
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0x3019686D,
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0x41C6167E,
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0x620152BF,
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0x20F050E0
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};
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static u32 mmctestburst2_ast2150(struct ast_private *ast, u32 datagen)
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{
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u32 data, timeout;
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ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
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ast_moutdwm(ast, 0x1e6e0070, 0x00000001 | (datagen << 3));
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timeout = 0;
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do {
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data = ast_mindwm(ast, 0x1e6e0070) & 0x40;
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if (++timeout > TIMEOUT_AST2150) {
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ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
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return 0xffffffff;
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}
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} while (!data);
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ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
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ast_moutdwm(ast, 0x1e6e0070, 0x00000003 | (datagen << 3));
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timeout = 0;
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do {
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data = ast_mindwm(ast, 0x1e6e0070) & 0x40;
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if (++timeout > TIMEOUT_AST2150) {
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ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
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return 0xffffffff;
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}
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} while (!data);
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data = (ast_mindwm(ast, 0x1e6e0070) & 0x80) >> 7;
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ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
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return data;
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}
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#if 0 /* unused in DDX driver - here for completeness */
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static u32 mmctestsingle2_ast2150(struct ast_private *ast, u32 datagen)
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{
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u32 data, timeout;
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ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
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ast_moutdwm(ast, 0x1e6e0070, 0x00000005 | (datagen << 3));
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timeout = 0;
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do {
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data = ast_mindwm(ast, 0x1e6e0070) & 0x40;
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if (++timeout > TIMEOUT_AST2150) {
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ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
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return 0xffffffff;
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}
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} while (!data);
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data = (ast_mindwm(ast, 0x1e6e0070) & 0x80) >> 7;
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ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
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return data;
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}
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#endif
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static int cbrtest_ast2150(struct ast_private *ast)
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{
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int i;
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for (i = 0; i < 8; i++)
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if (mmctestburst2_ast2150(ast, i))
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return 0;
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return 1;
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}
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static int cbrscan_ast2150(struct ast_private *ast, int busw)
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{
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u32 patcnt, loop;
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for (patcnt = 0; patcnt < CBR_PATNUM_AST2150; patcnt++) {
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ast_moutdwm(ast, 0x1e6e007c, pattern_AST2150[patcnt]);
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for (loop = 0; loop < CBR_PASSNUM_AST2150; loop++) {
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if (cbrtest_ast2150(ast))
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break;
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}
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if (loop == CBR_PASSNUM_AST2150)
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return 0;
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}
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return 1;
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}
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static void cbrdlli_ast2150(struct ast_private *ast, int busw)
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{
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u32 dll_min[4], dll_max[4], dlli, data, passcnt;
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cbr_start:
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dll_min[0] = dll_min[1] = dll_min[2] = dll_min[3] = 0xff;
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dll_max[0] = dll_max[1] = dll_max[2] = dll_max[3] = 0x0;
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passcnt = 0;
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for (dlli = 0; dlli < 100; dlli++) {
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ast_moutdwm(ast, 0x1e6e0068, dlli | (dlli << 8) | (dlli << 16) | (dlli << 24));
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data = cbrscan_ast2150(ast, busw);
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if (data != 0) {
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if (data & 0x1) {
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if (dll_min[0] > dlli)
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dll_min[0] = dlli;
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if (dll_max[0] < dlli)
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dll_max[0] = dlli;
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}
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passcnt++;
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} else if (passcnt >= CBR_THRESHOLD_AST2150)
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goto cbr_start;
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}
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if (dll_max[0] == 0 || (dll_max[0]-dll_min[0]) < CBR_THRESHOLD_AST2150)
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goto cbr_start;
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dlli = dll_min[0] + (((dll_max[0] - dll_min[0]) * 7) >> 4);
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ast_moutdwm(ast, 0x1e6e0068, dlli | (dlli << 8) | (dlli << 16) | (dlli << 24));
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}
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static void ast_init_dram_reg(struct drm_device *dev)
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{
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struct ast_private *ast = dev->dev_private;
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u8 j;
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u32 data, temp, i;
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const struct ast_dramstruct *dram_reg_info;
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j = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
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if ((j & 0x80) == 0) { /* VGA only */
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if (ast->chip == AST2000) {
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dram_reg_info = ast2000_dram_table_data;
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ast_write32(ast, 0xf004, 0x1e6e0000);
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ast_write32(ast, 0xf000, 0x1);
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ast_write32(ast, 0x10100, 0xa8);
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do {
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;
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} while (ast_read32(ast, 0x10100) != 0xa8);
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} else {/* AST2100/1100 */
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if (ast->chip == AST2100 || ast->chip == 2200)
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dram_reg_info = ast2100_dram_table_data;
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else
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dram_reg_info = ast1100_dram_table_data;
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ast_write32(ast, 0xf004, 0x1e6e0000);
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ast_write32(ast, 0xf000, 0x1);
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ast_write32(ast, 0x12000, 0x1688A8A8);
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do {
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;
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} while (ast_read32(ast, 0x12000) != 0x01);
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ast_write32(ast, 0x10000, 0xfc600309);
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do {
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;
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} while (ast_read32(ast, 0x10000) != 0x01);
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}
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while (dram_reg_info->index != 0xffff) {
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if (dram_reg_info->index == 0xff00) {/* delay fn */
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for (i = 0; i < 15; i++)
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udelay(dram_reg_info->data);
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} else if (dram_reg_info->index == 0x4 && ast->chip != AST2000) {
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data = dram_reg_info->data;
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if (ast->dram_type == AST_DRAM_1Gx16)
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data = 0x00000d89;
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else if (ast->dram_type == AST_DRAM_1Gx32)
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data = 0x00000c8d;
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temp = ast_read32(ast, 0x12070);
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temp &= 0xc;
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temp <<= 2;
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ast_write32(ast, 0x10000 + dram_reg_info->index, data | temp);
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} else
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ast_write32(ast, 0x10000 + dram_reg_info->index, dram_reg_info->data);
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dram_reg_info++;
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}
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/* AST 2100/2150 DRAM calibration */
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data = ast_read32(ast, 0x10120);
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if (data == 0x5061) { /* 266Mhz */
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data = ast_read32(ast, 0x10004);
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if (data & 0x40)
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cbrdlli_ast2150(ast, 16); /* 16 bits */
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else
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cbrdlli_ast2150(ast, 32); /* 32 bits */
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}
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switch (ast->chip) {
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case AST2000:
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temp = ast_read32(ast, 0x10140);
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ast_write32(ast, 0x10140, temp | 0x40);
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break;
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case AST1100:
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case AST2100:
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case AST2200:
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case AST2150:
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temp = ast_read32(ast, 0x1200c);
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ast_write32(ast, 0x1200c, temp & 0xfffffffd);
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temp = ast_read32(ast, 0x12040);
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ast_write32(ast, 0x12040, temp | 0x40);
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break;
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default:
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break;
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}
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}
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/* wait ready */
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do {
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j = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
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} while ((j & 0x40) == 0);
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}
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void ast_post_gpu(struct drm_device *dev)
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{
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u32 reg;
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struct ast_private *ast = dev->dev_private;
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pci_read_config_dword(ast->dev->pdev, 0x04, ®);
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reg |= 0x3;
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pci_write_config_dword(ast->dev->pdev, 0x04, reg);
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ast_enable_vga(dev);
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ast_enable_mmio(dev);
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ast_open_key(ast);
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ast_set_def_ext_reg(dev);
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if (ast->chip == AST2300 || ast->chip == AST2400)
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ast_init_dram_2300(dev);
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else
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ast_init_dram_reg(dev);
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ast_init_3rdtx(dev);
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}
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/* AST 2300 DRAM settings */
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#define AST_DDR3 0
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#define AST_DDR2 1
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struct ast2300_dram_param {
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u32 dram_type;
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u32 dram_chipid;
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u32 dram_freq;
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u32 vram_size;
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u32 odt;
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u32 wodt;
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u32 rodt;
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u32 dram_config;
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u32 reg_PERIOD;
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u32 reg_MADJ;
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u32 reg_SADJ;
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u32 reg_MRS;
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u32 reg_EMRS;
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u32 reg_AC1;
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u32 reg_AC2;
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u32 reg_DQSIC;
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u32 reg_DRV;
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u32 reg_IOZ;
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u32 reg_DQIDLY;
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u32 reg_FREQ;
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u32 madj_max;
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u32 dll2_finetune_step;
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};
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|
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/*
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* DQSI DLL CBR Setting
|
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*/
|
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#define CBR_SIZE0 ((1 << 10) - 1)
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#define CBR_SIZE1 ((4 << 10) - 1)
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#define CBR_SIZE2 ((64 << 10) - 1)
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#define CBR_PASSNUM 5
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#define CBR_PASSNUM2 5
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#define CBR_THRESHOLD 10
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#define CBR_THRESHOLD2 10
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#define TIMEOUT 5000000
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#define CBR_PATNUM 8
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|
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static const u32 pattern[8] = {
|
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0xFF00FF00,
|
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0xCC33CC33,
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0xAA55AA55,
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0x88778877,
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0x92CC4D6E,
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0x543D3CDE,
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0xF1E843C7,
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0x7C61D253
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};
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|
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static int mmc_test_burst(struct ast_private *ast, u32 datagen)
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{
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u32 data, timeout;
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ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
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ast_moutdwm(ast, 0x1e6e0070, 0x000000c1 | (datagen << 3));
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timeout = 0;
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do {
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data = ast_mindwm(ast, 0x1e6e0070) & 0x3000;
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if (data & 0x2000) {
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return 0;
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}
|
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if (++timeout > TIMEOUT) {
|
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ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
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return 0;
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}
|
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} while (!data);
|
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ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
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return 1;
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}
|
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|
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static int mmc_test_burst2(struct ast_private *ast, u32 datagen)
|
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{
|
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u32 data, timeout;
|
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|
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ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
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ast_moutdwm(ast, 0x1e6e0070, 0x00000041 | (datagen << 3));
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timeout = 0;
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do {
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data = ast_mindwm(ast, 0x1e6e0070) & 0x1000;
|
|
if (++timeout > TIMEOUT) {
|
|
ast_moutdwm(ast, 0x1e6e0070, 0x0);
|
|
return -1;
|
|
}
|
|
} while (!data);
|
|
data = ast_mindwm(ast, 0x1e6e0078);
|
|
data = (data | (data >> 16)) & 0xffff;
|
|
ast_moutdwm(ast, 0x1e6e0070, 0x0);
|
|
return data;
|
|
}
|
|
|
|
static int mmc_test_single(struct ast_private *ast, u32 datagen)
|
|
{
|
|
u32 data, timeout;
|
|
|
|
ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
|
|
ast_moutdwm(ast, 0x1e6e0070, 0x000000c5 | (datagen << 3));
|
|
timeout = 0;
|
|
do {
|
|
data = ast_mindwm(ast, 0x1e6e0070) & 0x3000;
|
|
if (data & 0x2000)
|
|
return 0;
|
|
if (++timeout > TIMEOUT) {
|
|
ast_moutdwm(ast, 0x1e6e0070, 0x0);
|
|
return 0;
|
|
}
|
|
} while (!data);
|
|
ast_moutdwm(ast, 0x1e6e0070, 0x0);
|
|
return 1;
|
|
}
|
|
|
|
static int mmc_test_single2(struct ast_private *ast, u32 datagen)
|
|
{
|
|
u32 data, timeout;
|
|
|
|
ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
|
|
ast_moutdwm(ast, 0x1e6e0070, 0x00000005 | (datagen << 3));
|
|
timeout = 0;
|
|
do {
|
|
data = ast_mindwm(ast, 0x1e6e0070) & 0x1000;
|
|
if (++timeout > TIMEOUT) {
|
|
ast_moutdwm(ast, 0x1e6e0070, 0x0);
|
|
return -1;
|
|
}
|
|
} while (!data);
|
|
data = ast_mindwm(ast, 0x1e6e0078);
|
|
data = (data | (data >> 16)) & 0xffff;
|
|
ast_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++) {
|
|
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_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++) {
|
|
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 u32 cbr_test3(struct ast_private *ast)
|
|
{
|
|
if (!mmc_test_burst(ast, 0))
|
|
return 0;
|
|
if (!mmc_test_single(ast, 0))
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
static u32 cbr_scan3(struct ast_private *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 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static bool finetuneDQI_L(struct ast_private *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_private *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_private *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_private *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 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, 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_private *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 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, 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_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, ¶m);
|
|
ddr3_init(ast, ¶m);
|
|
} else {
|
|
get_ddr2_info(ast, ¶m);
|
|
ddr2_init(ast, ¶m);
|
|
}
|
|
|
|
temp = ast_mindwm(ast, 0x1e6e2040);
|
|
ast_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);
|
|
}
|
|
|