drivers/aspeed: Add AST2500 support
Tested on AST2500. Code for AST2400 still works. Copy code from GNU/Linux kernel to coreboot to add AST2500 support. Change-Id: I25bd34dd52a0acd3e04fc5818e011215ef907fad Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34793 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
This commit is contained in:
Patrick Rudolph
Philipp Deppenwiese
parent
f1a4ae0a48
commit
9fe3d692c7
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@ -147,7 +147,7 @@ bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size)
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return false;
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}
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bool ast_launch_m68k(struct drm_device *dev)
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static bool ast_launch_m68k(struct drm_device *dev)
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{
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struct ast_private *ast = dev->dev_private;
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u32 i, data, len = 0;
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@ -161,7 +161,10 @@ bool ast_launch_m68k(struct drm_device *dev)
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if (ast->dp501_fw_addr) {
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fw_addr = ast->dp501_fw_addr;
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len = 32*1024;
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} else if (ast->dp501_fw) {
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} else {
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if (!ast->dp501_fw)
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return false;
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fw_addr = (u8 *)ast->dp501_fw->data;
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len = ast->dp501_fw->size;
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}
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@ -226,11 +229,7 @@ u8 ast_get_dp501_max_clk(struct drm_device *dev)
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/* Read Link Capability */
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offset = 0xf014;
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data = ast_mindwm(ast, boot_address + offset);
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linkcap[0] = (data & 0xff000000) >> 24;
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linkcap[1] = (data & 0x00ff0000) >> 16;
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linkcap[2] = (data & 0x0000ff00) >> 8;
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linkcap[3] = (data & 0x000000ff);
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*(u32 *)linkcap = ast_mindwm(ast, boot_address + offset);
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if (linkcap[2] == 0) {
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linkrate = linkcap[0];
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linklanes = linkcap[1];
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@ -159,4 +159,66 @@ static const struct ast_dramstruct ast2100_dram_table_data[] = {
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{ 0xffff, 0xffffffff },
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};
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/*
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* AST2500 DRAM settings modules
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*/
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#define REGTBL_NUM 17
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#define REGIDX_010 0
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#define REGIDX_014 1
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#define REGIDX_018 2
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#define REGIDX_020 3
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#define REGIDX_024 4
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#define REGIDX_02C 5
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#define REGIDX_030 6
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#define REGIDX_214 7
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#define REGIDX_2E0 8
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#define REGIDX_2E4 9
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#define REGIDX_2E8 10
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#define REGIDX_2EC 11
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#define REGIDX_2F0 12
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#define REGIDX_2F4 13
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#define REGIDX_2F8 14
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#define REGIDX_RFC 15
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#define REGIDX_PLL 16
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static const u32 ast2500_ddr3_1600_timing_table[REGTBL_NUM] = {
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0x64604D38, /* 0x010 */
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0x29690599, /* 0x014 */
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0x00000300, /* 0x018 */
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0x00000000, /* 0x020 */
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0x00000000, /* 0x024 */
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0x02181E70, /* 0x02C */
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0x00000040, /* 0x030 */
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0x00000024, /* 0x214 */
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0x02001300, /* 0x2E0 */
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0x0E0000A0, /* 0x2E4 */
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0x000E001B, /* 0x2E8 */
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0x35B8C105, /* 0x2EC */
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0x08090408, /* 0x2F0 */
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0x9B000800, /* 0x2F4 */
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0x0E400A00, /* 0x2F8 */
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0x9971452F, /* tRFC */
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0x000071C1 /* PLL */
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};
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static const u32 ast2500_ddr4_1600_timing_table[REGTBL_NUM] = {
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0x63604E37, /* 0x010 */
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0xE97AFA99, /* 0x014 */
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0x00019000, /* 0x018 */
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0x08000000, /* 0x020 */
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0x00000400, /* 0x024 */
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0x00000410, /* 0x02C */
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0x00000101, /* 0x030 */
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0x00000024, /* 0x214 */
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0x03002900, /* 0x2E0 */
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0x0E0000A0, /* 0x2E4 */
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0x000E001C, /* 0x2E8 */
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0x35B8C106, /* 0x2EC */
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0x08080607, /* 0x2F0 */
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0x9B000900, /* 0x2F4 */
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0x0E400A00, /* 0x2F8 */
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0x99714545, /* tRFC */
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0x000071C1 /* PLL */
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};
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#endif
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@ -63,6 +63,7 @@ enum ast_tx_chip {
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#define AST_DRAM_1Gx32 3
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#define AST_DRAM_2Gx16 6
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#define AST_DRAM_4Gx16 7
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#define AST_DRAM_8Gx16 8
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struct ast_fbdev;
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@ -311,13 +312,12 @@ void ast_post_gpu(struct drm_device *dev);
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u32 ast_mindwm(struct ast_private *ast, u32 r);
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void ast_moutdwm(struct ast_private *ast, u32 r, u32 v);
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/* ast dp501 */
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int ast_load_dp501_microcode(struct drm_device *dev);
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void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
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bool ast_launch_m68k(struct drm_device *dev);
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bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
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bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
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u8 ast_get_dp501_max_clk(struct drm_device *dev);
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void ast_init_3rdtx(struct drm_device *dev);
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void ast_release_firmware(struct drm_device *dev);
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/* ast mode */
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int ast_crtc_mode_set(struct drm_crtc *crtc,
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@ -75,8 +75,10 @@ static int ast_detect_chip(struct drm_device *dev, bool *need_post)
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} else {
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pci_read_config_dword(ast->dev->pdev, 0x08, &data);
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uint8_t revision = data & 0xff;
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if (revision >= 0x30) {
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if (revision >= 0x40) {
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ast->chip = AST2500;
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DRM_INFO("AST 2500 detected\n");
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} else if (revision >= 0x30) {
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ast->chip = AST2400;
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DRM_INFO("AST 2400 detected\n");
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} else if (revision >= 0x20) {
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@ -151,6 +153,8 @@ static int ast_detect_chip(struct drm_device *dev, bool *need_post)
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ast->support_wide_screen = true;
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if (ast->chip == AST2400 && data == 0x100) /* ast1400 */
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ast->support_wide_screen = true;
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if (ast->chip == AST2500 && data == 0x100) /* ast2510 */
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ast->support_wide_screen = true;
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}
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break;
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}
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@ -241,7 +245,23 @@ static int ast_get_dram_info(struct drm_device *dev)
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else
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ast->dram_bus_width = 32;
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if (ast->chip == AST2300 || ast->chip == AST2400) {
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if (ast->chip == AST2500) {
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switch (data & 0x03) {
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case 0:
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ast->dram_type = AST_DRAM_1Gx16;
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break;
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default:
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case 1:
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ast->dram_type = AST_DRAM_2Gx16;
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break;
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case 2:
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ast->dram_type = AST_DRAM_4Gx16;
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break;
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case 3:
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ast->dram_type = AST_DRAM_8Gx16;
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break;
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}
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} else if (ast->chip == AST2300 || ast->chip == AST2400) {
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switch (data & 0x03) {
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case 0:
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ast->dram_type = AST_DRAM_512Mx16;
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@ -33,7 +33,8 @@
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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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static void ast_post_chip_2300(struct drm_device *dev);
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static void ast_post_chip_2500(struct drm_device *dev);
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void ast_enable_vga(struct drm_device *dev)
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{
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@ -60,13 +61,9 @@ bool ast_is_vga_enabled(struct drm_device *dev)
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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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return !!(ch & 0x01);
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}
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return 0;
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return false;
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}
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static const u8 extreginfo[] = { 0x0f, 0x04, 0x1c, 0xff };
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@ -85,10 +82,11 @@ ast_set_def_ext_reg(struct drm_device *dev)
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uint8_t revision = data & 0xff;
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/* reset scratch */
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for (i = 0x81; i <= 0x8f; i++)
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for (i = 0x81; i <= 0x9f; 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 (ast->chip == AST2300 || ast->chip == AST2400 ||
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ast->chip == AST2500) {
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if (revision >= 0x20)
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ext_reg_info = extreginfo_ast2300;
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else
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@ -112,7 +110,8 @@ ast_set_def_ext_reg(struct drm_device *dev)
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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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if (ast->chip == AST2300 || ast->chip == AST2400 ||
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ast->chip == AST2500)
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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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@ -393,12 +392,14 @@ void ast_post_gpu(struct drm_device *dev)
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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_enable_mmio(dev);
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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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if (ast->chip == AST2500)
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ast_post_chip_2500(dev);
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else if (ast->chip == AST2300 || ast->chip == AST2400)
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ast_post_chip_2300(dev);
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else
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ast_init_dram_reg(dev);
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@ -458,87 +459,72 @@ static const u32 pattern[8] = {
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0x7C61D253
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};
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static int mmc_test_burst(struct ast_private *ast, u32 datagen)
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static bool mmc_test(struct ast_private *ast, u32 datagen, u8 test_ctl)
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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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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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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;
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if (++timeout > TIMEOUT) {
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ast_moutdwm(ast, 0x1e6e0070, 0x0);
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return -1;
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}
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} while (!data);
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data = ast_mindwm(ast, 0x1e6e0078);
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data = (data | (data >> 16)) & 0xffff;
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ast_moutdwm(ast, 0x1e6e0070, 0x0);
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return data;
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}
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static int mmc_test_single(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, 0x000000c5 | (datagen << 3));
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ast_moutdwm(ast, 0x1e6e0070, (datagen << 3) | test_ctl);
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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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return false;
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if (++timeout > TIMEOUT) {
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ast_moutdwm(ast, 0x1e6e0070, 0x0);
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return 0;
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ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
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return false;
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}
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} while (!data);
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ast_moutdwm(ast, 0x1e6e0070, 0x0);
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return 1;
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return true;
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}
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static int mmc_test_single2(struct ast_private *ast, u32 datagen)
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static u32 mmc_test2(struct ast_private *ast, u32 datagen, u8 test_ctl)
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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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ast_moutdwm(ast, 0x1e6e0070, (datagen << 3) | test_ctl);
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timeout = 0;
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do {
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data = ast_mindwm(ast, 0x1e6e0070) & 0x1000;
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if (++timeout > TIMEOUT) {
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ast_moutdwm(ast, 0x1e6e0070, 0x0);
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return -1;
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return 0xffffffff;
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}
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} while (!data);
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data = ast_mindwm(ast, 0x1e6e0078);
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data = (data | (data >> 16)) & 0xffff;
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ast_moutdwm(ast, 0x1e6e0070, 0x0);
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ast_moutdwm(ast, 0x1e6e0070, 0x00000000);
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return data;
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}
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static bool mmc_test_burst(struct ast_private *ast, u32 datagen)
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{
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return mmc_test(ast, datagen, 0xc1);
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}
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static u32 mmc_test_burst2(struct ast_private *ast, u32 datagen)
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{
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return mmc_test2(ast, datagen, 0x41);
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}
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static bool mmc_test_single(struct ast_private *ast, u32 datagen)
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{
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return mmc_test(ast, datagen, 0xc5);
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}
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static u32 mmc_test_single2(struct ast_private *ast, u32 datagen)
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{
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return mmc_test2(ast, datagen, 0x05);
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}
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static bool mmc_test_single_2500(struct ast_private *ast, u32 datagen)
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{
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return mmc_test(ast, datagen, 0x85);
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}
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static int cbr_test(struct ast_private *ast)
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{
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u32 data;
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@ -614,16 +600,16 @@ static u32 cbr_scan2(struct ast_private *ast)
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return data2;
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}
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static u32 cbr_test3(struct ast_private *ast)
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static bool cbr_test3(struct ast_private *ast)
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{
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if (!mmc_test_burst(ast, 0))
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return 0;
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return false;
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if (!mmc_test_single(ast, 0))
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return 0;
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return 1;
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return false;
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return true;
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}
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static u32 cbr_scan3(struct ast_private *ast)
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static bool cbr_scan3(struct ast_private *ast)
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{
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u32 patcnt, loop;
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@ -634,9 +620,9 @@ static u32 cbr_scan3(struct ast_private *ast)
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break;
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}
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if (loop == 2)
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return 0;
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return false;
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}
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return 1;
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return true;
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}
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static bool finetuneDQI_L(struct ast_private *ast, struct ast2300_dram_param *param)
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@ -1660,7 +1646,7 @@ ddr2_init_start:
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}
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static void ast_init_dram_2300(struct drm_device *dev)
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static void ast_post_chip_2300(struct drm_device *dev)
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{
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struct ast_private *ast = dev->dev_private;
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struct ast2300_dram_param param;
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@ -1753,3 +1739,405 @@ static void ast_init_dram_2300(struct drm_device *dev)
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if (timeout >= COREBOOT_AST_FAILOVER_TIMEOUT)
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dev_err(dev->pdev, "Timeout while waiting for register\n");
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}
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static bool cbr_test_2500(struct ast_private *ast)
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{
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ast_moutdwm(ast, 0x1E6E0074, 0x0000FFFF);
|
||||
ast_moutdwm(ast, 0x1E6E007C, 0xFF00FF00);
|
||||
if (!mmc_test_burst(ast, 0))
|
||||
return false;
|
||||
if (!mmc_test_single_2500(ast, 0))
|
||||
return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool ddr_test_2500(struct ast_private *ast)
|
||||
{
|
||||
ast_moutdwm(ast, 0x1E6E0074, 0x0000FFFF);
|
||||
ast_moutdwm(ast, 0x1E6E007C, 0xFF00FF00);
|
||||
if (!mmc_test_burst(ast, 0))
|
||||
return false;
|
||||
if (!mmc_test_burst(ast, 1))
|
||||
return false;
|
||||
if (!mmc_test_burst(ast, 2))
|
||||
return false;
|
||||
if (!mmc_test_burst(ast, 3))
|
||||
return false;
|
||||
if (!mmc_test_single_2500(ast, 0))
|
||||
return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
static void ddr_init_common_2500(struct ast_private *ast)
|
||||
{
|
||||
ast_moutdwm(ast, 0x1E6E0034, 0x00020080);
|
||||
ast_moutdwm(ast, 0x1E6E0008, 0x2003000F);
|
||||
ast_moutdwm(ast, 0x1E6E0038, 0x00000FFF);
|
||||
ast_moutdwm(ast, 0x1E6E0040, 0x88448844);
|
||||
ast_moutdwm(ast, 0x1E6E0044, 0x24422288);
|
||||
ast_moutdwm(ast, 0x1E6E0048, 0x22222222);
|
||||
ast_moutdwm(ast, 0x1E6E004C, 0x22222222);
|
||||
ast_moutdwm(ast, 0x1E6E0050, 0x80000000);
|
||||
ast_moutdwm(ast, 0x1E6E0208, 0x00000000);
|
||||
ast_moutdwm(ast, 0x1E6E0218, 0x00000000);
|
||||
ast_moutdwm(ast, 0x1E6E0220, 0x00000000);
|
||||
ast_moutdwm(ast, 0x1E6E0228, 0x00000000);
|
||||
ast_moutdwm(ast, 0x1E6E0230, 0x00000000);
|
||||
ast_moutdwm(ast, 0x1E6E02A8, 0x00000000);
|
||||
ast_moutdwm(ast, 0x1E6E02B0, 0x00000000);
|
||||
ast_moutdwm(ast, 0x1E6E0240, 0x86000000);
|
||||
ast_moutdwm(ast, 0x1E6E0244, 0x00008600);
|
||||
ast_moutdwm(ast, 0x1E6E0248, 0x80000000);
|
||||
ast_moutdwm(ast, 0x1E6E024C, 0x80808080);
|
||||
}
|
||||
|
||||
static void ddr_phy_init_2500(struct ast_private *ast)
|
||||
{
|
||||
u32 data, pass, timecnt;
|
||||
|
||||
pass = 0;
|
||||
ast_moutdwm(ast, 0x1E6E0060, 0x00000005);
|
||||
while (!pass) {
|
||||
for (timecnt = 0; timecnt < TIMEOUT; timecnt++) {
|
||||
data = ast_mindwm(ast, 0x1E6E0060) & 0x1;
|
||||
if (!data)
|
||||
break;
|
||||
}
|
||||
if (timecnt != TIMEOUT) {
|
||||
data = ast_mindwm(ast, 0x1E6E0300) & 0x000A0000;
|
||||
if (!data)
|
||||
pass = 1;
|
||||
}
|
||||
if (!pass) {
|
||||
ast_moutdwm(ast, 0x1E6E0060, 0x00000000);
|
||||
udelay(10); /* delay 10 us */
|
||||
ast_moutdwm(ast, 0x1E6E0060, 0x00000005);
|
||||
}
|
||||
}
|
||||
|
||||
ast_moutdwm(ast, 0x1E6E0060, 0x00000006);
|
||||
}
|
||||
|
||||
/*
|
||||
* Check DRAM Size
|
||||
* 1Gb : 0x80000000 ~ 0x87FFFFFF
|
||||
* 2Gb : 0x80000000 ~ 0x8FFFFFFF
|
||||
* 4Gb : 0x80000000 ~ 0x9FFFFFFF
|
||||
* 8Gb : 0x80000000 ~ 0xBFFFFFFF
|
||||
*/
|
||||
static void check_dram_size_2500(struct ast_private *ast, u32 tRFC)
|
||||
{
|
||||
u32 reg_04, reg_14;
|
||||
|
||||
reg_04 = ast_mindwm(ast, 0x1E6E0004) & 0xfffffffc;
|
||||
reg_14 = ast_mindwm(ast, 0x1E6E0014) & 0xffffff00;
|
||||
|
||||
ast_moutdwm(ast, 0xA0100000, 0x41424344);
|
||||
ast_moutdwm(ast, 0x90100000, 0x35363738);
|
||||
ast_moutdwm(ast, 0x88100000, 0x292A2B2C);
|
||||
ast_moutdwm(ast, 0x80100000, 0x1D1E1F10);
|
||||
|
||||
/* Check 8Gbit */
|
||||
if (ast_mindwm(ast, 0xA0100000) == 0x41424344) {
|
||||
reg_04 |= 0x03;
|
||||
reg_14 |= (tRFC >> 24) & 0xFF;
|
||||
/* Check 4Gbit */
|
||||
} else if (ast_mindwm(ast, 0x90100000) == 0x35363738) {
|
||||
reg_04 |= 0x02;
|
||||
reg_14 |= (tRFC >> 16) & 0xFF;
|
||||
/* Check 2Gbit */
|
||||
} else if (ast_mindwm(ast, 0x88100000) == 0x292A2B2C) {
|
||||
reg_04 |= 0x01;
|
||||
reg_14 |= (tRFC >> 8) & 0xFF;
|
||||
} else {
|
||||
reg_14 |= tRFC & 0xFF;
|
||||
}
|
||||
ast_moutdwm(ast, 0x1E6E0004, reg_04);
|
||||
ast_moutdwm(ast, 0x1E6E0014, reg_14);
|
||||
}
|
||||
|
||||
static void enable_cache_2500(struct ast_private *ast)
|
||||
{
|
||||
u32 reg_04, data;
|
||||
|
||||
reg_04 = ast_mindwm(ast, 0x1E6E0004);
|
||||
ast_moutdwm(ast, 0x1E6E0004, reg_04 | 0x1000);
|
||||
|
||||
do
|
||||
data = ast_mindwm(ast, 0x1E6E0004);
|
||||
while (!(data & 0x80000));
|
||||
ast_moutdwm(ast, 0x1E6E0004, reg_04 | 0x400);
|
||||
}
|
||||
|
||||
static void set_mpll_2500(struct ast_private *ast)
|
||||
{
|
||||
u32 addr, data, param;
|
||||
|
||||
/* Reset MMC */
|
||||
ast_moutdwm(ast, 0x1E6E0000, 0xFC600309);
|
||||
ast_moutdwm(ast, 0x1E6E0034, 0x00020080);
|
||||
for (addr = 0x1e6e0004; addr < 0x1e6e0090;) {
|
||||
ast_moutdwm(ast, addr, 0x0);
|
||||
addr += 4;
|
||||
}
|
||||
ast_moutdwm(ast, 0x1E6E0034, 0x00020000);
|
||||
|
||||
ast_moutdwm(ast, 0x1E6E2000, 0x1688A8A8);
|
||||
data = ast_mindwm(ast, 0x1E6E2070) & 0x00800000;
|
||||
if (data) {
|
||||
/* CLKIN = 25MHz */
|
||||
param = 0x930023E0;
|
||||
ast_moutdwm(ast, 0x1E6E2160, 0x00011320);
|
||||
} else {
|
||||
/* CLKIN = 24MHz */
|
||||
param = 0x93002400;
|
||||
}
|
||||
ast_moutdwm(ast, 0x1E6E2020, param);
|
||||
udelay(100);
|
||||
}
|
||||
|
||||
static void reset_mmc_2500(struct ast_private *ast)
|
||||
{
|
||||
ast_moutdwm(ast, 0x1E78505C, 0x00000004);
|
||||
ast_moutdwm(ast, 0x1E785044, 0x00000001);
|
||||
ast_moutdwm(ast, 0x1E785048, 0x00004755);
|
||||
ast_moutdwm(ast, 0x1E78504C, 0x00000013);
|
||||
mdelay(100);
|
||||
ast_moutdwm(ast, 0x1E785054, 0x00000077);
|
||||
ast_moutdwm(ast, 0x1E6E0000, 0xFC600309);
|
||||
}
|
||||
|
||||
static void ddr3_init_2500(struct ast_private *ast, const u32 *ddr_table)
|
||||
{
|
||||
|
||||
ast_moutdwm(ast, 0x1E6E0004, 0x00000303);
|
||||
ast_moutdwm(ast, 0x1E6E0010, ddr_table[REGIDX_010]);
|
||||
ast_moutdwm(ast, 0x1E6E0014, ddr_table[REGIDX_014]);
|
||||
ast_moutdwm(ast, 0x1E6E0018, ddr_table[REGIDX_018]);
|
||||
ast_moutdwm(ast, 0x1E6E0020, ddr_table[REGIDX_020]); /* MODEREG4/6 */
|
||||
ast_moutdwm(ast, 0x1E6E0024, ddr_table[REGIDX_024]); /* MODEREG5 */
|
||||
ast_moutdwm(ast, 0x1E6E002C, ddr_table[REGIDX_02C] | 0x100); /* MODEREG0/2 */
|
||||
ast_moutdwm(ast, 0x1E6E0030, ddr_table[REGIDX_030]); /* MODEREG1/3 */
|
||||
|
||||
/* DDR PHY Setting */
|
||||
ast_moutdwm(ast, 0x1E6E0200, 0x02492AAE);
|
||||
ast_moutdwm(ast, 0x1E6E0204, 0x00001001);
|
||||
ast_moutdwm(ast, 0x1E6E020C, 0x55E00B0B);
|
||||
ast_moutdwm(ast, 0x1E6E0210, 0x20000000);
|
||||
ast_moutdwm(ast, 0x1E6E0214, ddr_table[REGIDX_214]);
|
||||
ast_moutdwm(ast, 0x1E6E02E0, ddr_table[REGIDX_2E0]);
|
||||
ast_moutdwm(ast, 0x1E6E02E4, ddr_table[REGIDX_2E4]);
|
||||
ast_moutdwm(ast, 0x1E6E02E8, ddr_table[REGIDX_2E8]);
|
||||
ast_moutdwm(ast, 0x1E6E02EC, ddr_table[REGIDX_2EC]);
|
||||
ast_moutdwm(ast, 0x1E6E02F0, ddr_table[REGIDX_2F0]);
|
||||
ast_moutdwm(ast, 0x1E6E02F4, ddr_table[REGIDX_2F4]);
|
||||
ast_moutdwm(ast, 0x1E6E02F8, ddr_table[REGIDX_2F8]);
|
||||
ast_moutdwm(ast, 0x1E6E0290, 0x00100008);
|
||||
ast_moutdwm(ast, 0x1E6E02C0, 0x00000006);
|
||||
|
||||
/* Controller Setting */
|
||||
ast_moutdwm(ast, 0x1E6E0034, 0x00020091);
|
||||
|
||||
/* Wait DDR PHY init done */
|
||||
ddr_phy_init_2500(ast);
|
||||
|
||||
ast_moutdwm(ast, 0x1E6E0120, ddr_table[REGIDX_PLL]);
|
||||
ast_moutdwm(ast, 0x1E6E000C, 0x42AA5C81);
|
||||
ast_moutdwm(ast, 0x1E6E0034, 0x0001AF93);
|
||||
|
||||
check_dram_size_2500(ast, ddr_table[REGIDX_RFC]);
|
||||
enable_cache_2500(ast);
|
||||
ast_moutdwm(ast, 0x1E6E001C, 0x00000008);
|
||||
ast_moutdwm(ast, 0x1E6E0038, 0xFFFFFF00);
|
||||
}
|
||||
|
||||
static void ddr4_init_2500(struct ast_private *ast, const u32 *ddr_table)
|
||||
{
|
||||
u32 data, data2, pass, retrycnt;
|
||||
u32 ddr_vref, phy_vref;
|
||||
u32 min_ddr_vref = 0, min_phy_vref = 0;
|
||||
u32 max_ddr_vref = 0, max_phy_vref = 0;
|
||||
|
||||
ast_moutdwm(ast, 0x1E6E0004, 0x00000313);
|
||||
ast_moutdwm(ast, 0x1E6E0010, ddr_table[REGIDX_010]);
|
||||
ast_moutdwm(ast, 0x1E6E0014, ddr_table[REGIDX_014]);
|
||||
ast_moutdwm(ast, 0x1E6E0018, ddr_table[REGIDX_018]);
|
||||
ast_moutdwm(ast, 0x1E6E0020, ddr_table[REGIDX_020]); /* MODEREG4/6 */
|
||||
ast_moutdwm(ast, 0x1E6E0024, ddr_table[REGIDX_024]); /* MODEREG5 */
|
||||
ast_moutdwm(ast, 0x1E6E002C, ddr_table[REGIDX_02C] | 0x100); /* MODEREG0/2 */
|
||||
ast_moutdwm(ast, 0x1E6E0030, ddr_table[REGIDX_030]); /* MODEREG1/3 */
|
||||
|
||||
/* DDR PHY Setting */
|
||||
ast_moutdwm(ast, 0x1E6E0200, 0x42492AAE);
|
||||
ast_moutdwm(ast, 0x1E6E0204, 0x09002000);
|
||||
ast_moutdwm(ast, 0x1E6E020C, 0x55E00B0B);
|
||||
ast_moutdwm(ast, 0x1E6E0210, 0x20000000);
|
||||
ast_moutdwm(ast, 0x1E6E0214, ddr_table[REGIDX_214]);
|
||||
ast_moutdwm(ast, 0x1E6E02E0, ddr_table[REGIDX_2E0]);
|
||||
ast_moutdwm(ast, 0x1E6E02E4, ddr_table[REGIDX_2E4]);
|
||||
ast_moutdwm(ast, 0x1E6E02E8, ddr_table[REGIDX_2E8]);
|
||||
ast_moutdwm(ast, 0x1E6E02EC, ddr_table[REGIDX_2EC]);
|
||||
ast_moutdwm(ast, 0x1E6E02F0, ddr_table[REGIDX_2F0]);
|
||||
ast_moutdwm(ast, 0x1E6E02F4, ddr_table[REGIDX_2F4]);
|
||||
ast_moutdwm(ast, 0x1E6E02F8, ddr_table[REGIDX_2F8]);
|
||||
ast_moutdwm(ast, 0x1E6E0290, 0x00100008);
|
||||
ast_moutdwm(ast, 0x1E6E02C4, 0x3C183C3C);
|
||||
ast_moutdwm(ast, 0x1E6E02C8, 0x00631E0E);
|
||||
|
||||
/* Controller Setting */
|
||||
ast_moutdwm(ast, 0x1E6E0034, 0x0001A991);
|
||||
|
||||
/* Train PHY Vref first */
|
||||
pass = 0;
|
||||
|
||||
for (retrycnt = 0; retrycnt < 4 && pass == 0; retrycnt++) {
|
||||
max_phy_vref = 0x0;
|
||||
pass = 0;
|
||||
ast_moutdwm(ast, 0x1E6E02C0, 0x00001C06);
|
||||
for (phy_vref = 0x40; phy_vref < 0x80; phy_vref++) {
|
||||
ast_moutdwm(ast, 0x1E6E000C, 0x00000000);
|
||||
ast_moutdwm(ast, 0x1E6E0060, 0x00000000);
|
||||
ast_moutdwm(ast, 0x1E6E02CC, phy_vref | (phy_vref << 8));
|
||||
/* Fire DFI Init */
|
||||
ddr_phy_init_2500(ast);
|
||||
ast_moutdwm(ast, 0x1E6E000C, 0x00005C01);
|
||||
if (cbr_test_2500(ast)) {
|
||||
pass++;
|
||||
data = ast_mindwm(ast, 0x1E6E03D0);
|
||||
data2 = data >> 8;
|
||||
data = data & 0xff;
|
||||
if (data > data2)
|
||||
data = data2;
|
||||
if (max_phy_vref < data) {
|
||||
max_phy_vref = data;
|
||||
min_phy_vref = phy_vref;
|
||||
}
|
||||
} else if (pass > 0)
|
||||
break;
|
||||
}
|
||||
}
|
||||
ast_moutdwm(ast, 0x1E6E02CC, min_phy_vref | (min_phy_vref << 8));
|
||||
|
||||
/* Train DDR Vref next */
|
||||
pass = 0;
|
||||
|
||||
for (retrycnt = 0; retrycnt < 4 && pass == 0; retrycnt++) {
|
||||
min_ddr_vref = 0xFF;
|
||||
max_ddr_vref = 0x0;
|
||||
pass = 0;
|
||||
for (ddr_vref = 0x00; ddr_vref < 0x40; ddr_vref++) {
|
||||
ast_moutdwm(ast, 0x1E6E000C, 0x00000000);
|
||||
ast_moutdwm(ast, 0x1E6E0060, 0x00000000);
|
||||
ast_moutdwm(ast, 0x1E6E02C0, 0x00000006 | (ddr_vref << 8));
|
||||
/* Fire DFI Init */
|
||||
ddr_phy_init_2500(ast);
|
||||
ast_moutdwm(ast, 0x1E6E000C, 0x00005C01);
|
||||
if (cbr_test_2500(ast)) {
|
||||
pass++;
|
||||
if (min_ddr_vref > ddr_vref)
|
||||
min_ddr_vref = ddr_vref;
|
||||
if (max_ddr_vref < ddr_vref)
|
||||
max_ddr_vref = ddr_vref;
|
||||
} else if (pass != 0)
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
ast_moutdwm(ast, 0x1E6E000C, 0x00000000);
|
||||
ast_moutdwm(ast, 0x1E6E0060, 0x00000000);
|
||||
ddr_vref = (min_ddr_vref + max_ddr_vref + 1) >> 1;
|
||||
ast_moutdwm(ast, 0x1E6E02C0, 0x00000006 | (ddr_vref << 8));
|
||||
|
||||
/* Wait DDR PHY init done */
|
||||
ddr_phy_init_2500(ast);
|
||||
|
||||
ast_moutdwm(ast, 0x1E6E0120, ddr_table[REGIDX_PLL]);
|
||||
ast_moutdwm(ast, 0x1E6E000C, 0x42AA5C81);
|
||||
ast_moutdwm(ast, 0x1E6E0034, 0x0001AF93);
|
||||
|
||||
check_dram_size_2500(ast, ddr_table[REGIDX_RFC]);
|
||||
enable_cache_2500(ast);
|
||||
ast_moutdwm(ast, 0x1E6E001C, 0x00000008);
|
||||
ast_moutdwm(ast, 0x1E6E0038, 0xFFFFFF00);
|
||||
}
|
||||
|
||||
static bool ast_dram_init_2500(struct ast_private *ast)
|
||||
{
|
||||
u32 data;
|
||||
u32 max_tries = 5;
|
||||
|
||||
do {
|
||||
if (max_tries-- == 0)
|
||||
return false;
|
||||
set_mpll_2500(ast);
|
||||
reset_mmc_2500(ast);
|
||||
ddr_init_common_2500(ast);
|
||||
|
||||
data = ast_mindwm(ast, 0x1E6E2070);
|
||||
if (data & 0x01000000)
|
||||
ddr4_init_2500(ast, ast2500_ddr4_1600_timing_table);
|
||||
else
|
||||
ddr3_init_2500(ast, ast2500_ddr3_1600_timing_table);
|
||||
} while (!ddr_test_2500(ast));
|
||||
|
||||
ast_moutdwm(ast, 0x1E6E2040, ast_mindwm(ast, 0x1E6E2040) | 0x41);
|
||||
|
||||
/* Patch code */
|
||||
data = ast_mindwm(ast, 0x1E6E200C) & 0xF9FFFFFF;
|
||||
ast_moutdwm(ast, 0x1E6E200C, data | 0x10000000);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void ast_post_chip_2500(struct drm_device *dev)
|
||||
{
|
||||
struct ast_private *ast = dev->dev_private;
|
||||
u32 temp;
|
||||
u8 reg;
|
||||
|
||||
reg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
|
||||
if ((reg & 0x80) == 0) {/* vga only */
|
||||
/* Clear bus lock condition */
|
||||
ast_moutdwm(ast, 0x1e600000, 0xAEED1A03);
|
||||
ast_moutdwm(ast, 0x1e600084, 0x00010000);
|
||||
ast_moutdwm(ast, 0x1e600088, 0x00000000);
|
||||
ast_moutdwm(ast, 0x1e6e2000, 0x1688A8A8);
|
||||
ast_write32(ast, 0xf004, 0x1e6e0000);
|
||||
ast_write32(ast, 0xf000, 0x1);
|
||||
ast_write32(ast, 0x12000, 0x1688a8a8);
|
||||
while (ast_read32(ast, 0x12000) != 0x1)
|
||||
;
|
||||
|
||||
ast_write32(ast, 0x10000, 0xfc600309);
|
||||
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);
|
||||
|
||||
/* Reset USB port to patch USB unknown device issue */
|
||||
ast_moutdwm(ast, 0x1e6e2090, 0x20000000);
|
||||
temp = ast_mindwm(ast, 0x1e6e2094);
|
||||
temp |= 0x00004000;
|
||||
ast_moutdwm(ast, 0x1e6e2094, temp);
|
||||
temp = ast_mindwm(ast, 0x1e6e2070);
|
||||
if (temp & 0x00800000) {
|
||||
ast_moutdwm(ast, 0x1e6e207c, 0x00800000);
|
||||
mdelay(100);
|
||||
ast_moutdwm(ast, 0x1e6e2070, 0x00800000);
|
||||
}
|
||||
|
||||
if (!ast_dram_init_2500(ast))
|
||||
printk(BIOS_ERR, "AST: DRAM init failed !\n");
|
||||
|
||||
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);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue