diff options
Diffstat (limited to 'drivers/gpu/drm/ast/ast_post.c')
-rw-r--r-- | drivers/gpu/drm/ast/ast_post.c | 562 |
1 files changed, 489 insertions, 73 deletions
diff --git a/drivers/gpu/drm/ast/ast_post.c b/drivers/gpu/drm/ast/ast_post.c index 5331ee1df086..f7d421359d56 100644 --- a/drivers/gpu/drm/ast/ast_post.c +++ b/drivers/gpu/drm/ast/ast_post.c @@ -31,7 +31,8 @@ #include "ast_dram_tables.h" -static void ast_init_dram_2300(struct drm_device *dev); +static void ast_post_chip_2300(struct drm_device *dev); +static void ast_post_chip_2500(struct drm_device *dev); void ast_enable_vga(struct drm_device *dev) { @@ -58,13 +59,9 @@ bool ast_is_vga_enabled(struct drm_device *dev) /* TODO 1180 */ } else { ch = ast_io_read8(ast, AST_IO_VGA_ENABLE_PORT); - if (ch) { - ast_open_key(ast); - ch = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xff); - return ch & 0x04; - } + return !!(ch & 0x01); } - return 0; + return false; } static const u8 extreginfo[] = { 0x0f, 0x04, 0x1c, 0xff }; @@ -79,10 +76,11 @@ ast_set_def_ext_reg(struct drm_device *dev) const u8 *ext_reg_info; /* reset scratch */ - for (i = 0x81; i <= 0x8f; i++) + for (i = 0x81; i <= 0x9f; i++) ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, 0x00); - if (ast->chip == AST2300 || ast->chip == AST2400) { + if (ast->chip == AST2300 || ast->chip == AST2400 || + ast->chip == AST2500) { if (dev->pdev->revision >= 0x20) ext_reg_info = extreginfo_ast2300; else @@ -106,7 +104,8 @@ ast_set_def_ext_reg(struct drm_device *dev) /* Enable RAMDAC for A1 */ reg = 0x04; - if (ast->chip == AST2300 || ast->chip == AST2400) + if (ast->chip == AST2300 || ast->chip == AST2400 || + ast->chip == AST2500) reg |= 0x20; ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xff, reg); } @@ -375,21 +374,20 @@ void ast_post_gpu(struct drm_device *dev) pci_write_config_dword(ast->dev->pdev, 0x04, reg); ast_enable_vga(dev); - ast_enable_mmio(dev); ast_open_key(ast); + ast_enable_mmio(dev); ast_set_def_ext_reg(dev); - if (ast->DisableP2A == false) - { - if (ast->chip == AST2300 || ast->chip == AST2400) - ast_init_dram_2300(dev); + if (ast->config_mode == ast_use_p2a) { + if (ast->chip == AST2500) + ast_post_chip_2500(dev); + else if (ast->chip == AST2300 || ast->chip == AST2400) + ast_post_chip_2300(dev); else ast_init_dram_reg(dev); ast_init_3rdtx(dev); - } - else - { + } else { if (ast->tx_chip_type != AST_TX_NONE) ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xcf, 0x80); /* Enable DVO */ } @@ -448,85 +446,70 @@ static const u32 pattern[8] = { 0x7C61D253 }; -static int mmc_test_burst(struct ast_private *ast, u32 datagen) +static bool mmc_test(struct ast_private *ast, u32 datagen, u8 test_ctl) { u32 data, timeout; ast_moutdwm(ast, 0x1e6e0070, 0x00000000); - ast_moutdwm(ast, 0x1e6e0070, 0x000000c1 | (datagen << 3)); + ast_moutdwm(ast, 0x1e6e0070, (datagen << 3) | test_ctl); timeout = 0; do { data = ast_mindwm(ast, 0x1e6e0070) & 0x3000; - if (data & 0x2000) { - return 0; - } + if (data & 0x2000) + return false; if (++timeout > TIMEOUT) { ast_moutdwm(ast, 0x1e6e0070, 0x00000000); - return 0; + return false; } } while (!data); - ast_moutdwm(ast, 0x1e6e0070, 0x00000000); - return 1; + ast_moutdwm(ast, 0x1e6e0070, 0x0); + return true; } -static int mmc_test_burst2(struct ast_private *ast, u32 datagen) +static u32 mmc_test2(struct ast_private *ast, u32 datagen, u8 test_ctl) { u32 data, timeout; ast_moutdwm(ast, 0x1e6e0070, 0x00000000); - ast_moutdwm(ast, 0x1e6e0070, 0x00000041 | (datagen << 3)); + ast_moutdwm(ast, 0x1e6e0070, (datagen << 3) | test_ctl); timeout = 0; do { data = ast_mindwm(ast, 0x1e6e0070) & 0x1000; if (++timeout > TIMEOUT) { ast_moutdwm(ast, 0x1e6e0070, 0x0); - return -1; + return 0xffffffff; } } while (!data); data = ast_mindwm(ast, 0x1e6e0078); data = (data | (data >> 16)) & 0xffff; - ast_moutdwm(ast, 0x1e6e0070, 0x0); + ast_moutdwm(ast, 0x1e6e0070, 0x00000000); return data; } -static int mmc_test_single(struct ast_private *ast, u32 datagen) + +static bool mmc_test_burst(struct ast_private *ast, u32 datagen) { - u32 data, timeout; + return mmc_test(ast, datagen, 0xc1); +} - 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 u32 mmc_test_burst2(struct ast_private *ast, u32 datagen) +{ + return mmc_test2(ast, datagen, 0x41); } -static int mmc_test_single2(struct ast_private *ast, u32 datagen) +static bool mmc_test_single(struct ast_private *ast, u32 datagen) { - u32 data, timeout; + return mmc_test(ast, datagen, 0xc5); +} - 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 u32 mmc_test_single2(struct ast_private *ast, u32 datagen) +{ + return mmc_test2(ast, datagen, 0x05); +} + +static bool mmc_test_single_2500(struct ast_private *ast, u32 datagen) +{ + return mmc_test(ast, datagen, 0x85); } static int cbr_test(struct ast_private *ast) @@ -604,16 +587,16 @@ static u32 cbr_scan2(struct ast_private *ast) return data2; } -static u32 cbr_test3(struct ast_private *ast) +static bool cbr_test3(struct ast_private *ast) { if (!mmc_test_burst(ast, 0)) - return 0; + return false; if (!mmc_test_single(ast, 0)) - return 0; - return 1; + return false; + return true; } -static u32 cbr_scan3(struct ast_private *ast) +static bool cbr_scan3(struct ast_private *ast) { u32 patcnt, loop; @@ -624,9 +607,9 @@ static u32 cbr_scan3(struct ast_private *ast) break; } if (loop == 2) - return 0; + return false; } - return 1; + return true; } static bool finetuneDQI_L(struct ast_private *ast, struct ast2300_dram_param *param) @@ -1612,7 +1595,7 @@ ddr2_init_start: } -static void ast_init_dram_2300(struct drm_device *dev) +static void ast_post_chip_2300(struct drm_device *dev) { struct ast_private *ast = dev->dev_private; struct ast2300_dram_param param; @@ -1638,12 +1621,44 @@ static void ast_init_dram_2300(struct drm_device *dev) temp |= 0x73; ast_write32(ast, 0x12008, temp); + param.dram_freq = 396; param.dram_type = AST_DDR3; + temp = ast_mindwm(ast, 0x1e6e2070); if (temp & 0x01000000) param.dram_type = AST_DDR2; - param.dram_chipid = ast->dram_type; - param.dram_freq = ast->mclk; - param.vram_size = ast->vram_size; + switch (temp & 0x18000000) { + case 0: + param.dram_chipid = AST_DRAM_512Mx16; + break; + default: + case 0x08000000: + param.dram_chipid = AST_DRAM_1Gx16; + break; + case 0x10000000: + param.dram_chipid = AST_DRAM_2Gx16; + break; + case 0x18000000: + param.dram_chipid = AST_DRAM_4Gx16; + break; + } + switch (temp & 0x0c) { + default: + case 0x00: + param.vram_size = AST_VIDMEM_SIZE_8M; + break; + + case 0x04: + param.vram_size = AST_VIDMEM_SIZE_16M; + break; + + case 0x08: + param.vram_size = AST_VIDMEM_SIZE_32M; + break; + + case 0x0c: + param.vram_size = AST_VIDMEM_SIZE_64M; + break; + } if (param.dram_type == AST_DDR3) { get_ddr3_info(ast, ¶m); @@ -1663,3 +1678,404 @@ static void ast_init_dram_2300(struct drm_device *dev) } while ((reg & 0x40) == 0); } +static bool cbr_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_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)) + DRM_ERROR("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); +} |