diff options
Diffstat (limited to 'drivers/gpu/drm/ast/ast_2500.c')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_2500.c | 569 |
1 files changed, 569 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_2500.c b/drivers/gpu/drm/ast/ast_2500.c new file mode 100644 index 000000000000..1e541498ea67 --- /dev/null +++ b/drivers/gpu/drm/ast/ast_2500.c @@ -0,0 +1,569 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + */ +/* + * Authors: Dave Airlie <airlied@redhat.com> + */ + +#include <linux/delay.h> + +#include <drm/drm_print.h> + +#include "ast_drv.h" +#include "ast_post.h" + +/* + * POST + */ + +/* + * AST2500 DRAM settings modules + */ + +#define REGTBL_NUM 17 +#define REGIDX_010 0 +#define REGIDX_014 1 +#define REGIDX_018 2 +#define REGIDX_020 3 +#define REGIDX_024 4 +#define REGIDX_02C 5 +#define REGIDX_030 6 +#define REGIDX_214 7 +#define REGIDX_2E0 8 +#define REGIDX_2E4 9 +#define REGIDX_2E8 10 +#define REGIDX_2EC 11 +#define REGIDX_2F0 12 +#define REGIDX_2F4 13 +#define REGIDX_2F8 14 +#define REGIDX_RFC 15 +#define REGIDX_PLL 16 + +static const u32 ast2500_ddr3_1600_timing_table[REGTBL_NUM] = { + 0x64604D38, /* 0x010 */ + 0x29690599, /* 0x014 */ + 0x00000300, /* 0x018 */ + 0x00000000, /* 0x020 */ + 0x00000000, /* 0x024 */ + 0x02181E70, /* 0x02C */ + 0x00000040, /* 0x030 */ + 0x00000024, /* 0x214 */ + 0x02001300, /* 0x2E0 */ + 0x0E0000A0, /* 0x2E4 */ + 0x000E001B, /* 0x2E8 */ + 0x35B8C105, /* 0x2EC */ + 0x08090408, /* 0x2F0 */ + 0x9B000800, /* 0x2F4 */ + 0x0E400A00, /* 0x2F8 */ + 0x9971452F, /* tRFC */ + 0x000071C1 /* PLL */ +}; + +static const u32 ast2500_ddr4_1600_timing_table[REGTBL_NUM] = { + 0x63604E37, /* 0x010 */ + 0xE97AFA99, /* 0x014 */ + 0x00019000, /* 0x018 */ + 0x08000000, /* 0x020 */ + 0x00000400, /* 0x024 */ + 0x00000410, /* 0x02C */ + 0x00000101, /* 0x030 */ + 0x00000024, /* 0x214 */ + 0x03002900, /* 0x2E0 */ + 0x0E0000A0, /* 0x2E4 */ + 0x000E001C, /* 0x2E8 */ + 0x35B8C106, /* 0x2EC */ + 0x08080607, /* 0x2F0 */ + 0x9B000900, /* 0x2F4 */ + 0x0E400A00, /* 0x2F8 */ + 0x99714545, /* tRFC */ + 0x000071C1 /* PLL */ +}; + +#define TIMEOUT 5000000 + +void ast_2500_patch_ahb(void __iomem *regs) +{ + u32 data; + + /* Clear bus lock condition */ + __ast_moutdwm(regs, 0x1e600000, 0xAEED1A03); + __ast_moutdwm(regs, 0x1e600084, 0x00010000); + __ast_moutdwm(regs, 0x1e600088, 0x00000000); + __ast_moutdwm(regs, 0x1e6e2000, 0x1688A8A8); + + data = __ast_mindwm(regs, 0x1e6e2070); + if (data & 0x08000000) { /* check fast reset */ + /* + * If "Fast restet" is enabled for ARM-ICE debugger, + * then WDT needs to enable, that + * WDT04 is WDT#1 Reload reg. + * WDT08 is WDT#1 counter restart reg to avoid system deadlock + * WDT0C is WDT#1 control reg + * [6:5]:= 01:Full chip + * [4]:= 1:1MHz clock source + * [1]:= 1:WDT will be cleeared and disabled after timeout occurs + * [0]:= 1:WDT enable + */ + __ast_moutdwm(regs, 0x1E785004, 0x00000010); + __ast_moutdwm(regs, 0x1E785008, 0x00004755); + __ast_moutdwm(regs, 0x1E78500c, 0x00000033); + udelay(1000); + } + + do { + __ast_moutdwm(regs, 0x1e6e2000, 0x1688A8A8); + data = __ast_mindwm(regs, 0x1e6e2000); + } while (data != 1); + + __ast_moutdwm(regs, 0x1e6e207c, 0x08000000); /* clear fast reset */ +} + +static bool mmc_test_single_2500(struct ast_device *ast, u32 datagen) +{ + return mmc_test(ast, datagen, 0x85); +} + +static bool cbr_test_2500(struct ast_device *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_device *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_device *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_device *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_device *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_device *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_device *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_device *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_device *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_device *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_device *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; +} + +static void ast_post_chip_2500(struct ast_device *ast) +{ + struct drm_device *dev = &ast->base; + u32 temp; + u8 reg; + + reg = ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xd0, 0xff); + if ((reg & AST_IO_VGACRD0_VRAM_INIT_STATUS_MASK) == 0) {/* vga only */ + /* Clear bus lock condition */ + ast_2500_patch_ahb(ast->regs); + + /* Disable watchdog */ + ast_moutdwm(ast, 0x1E78502C, 0x00000000); + ast_moutdwm(ast, 0x1E78504C, 0x00000000); + + /* + * Reset USB port to patch USB unknown device issue + * SCU90 is Multi-function Pin Control #5 + * [29]:= 1:Enable USB2.0 Host port#1 (that the mutually shared USB2.0 Hub + * port). + * SCU94 is Multi-function Pin Control #6 + * [14:13]:= 1x:USB2.0 Host2 controller + * SCU70 is Hardware Strap reg + * [23]:= 1:CLKIN is 25MHz and USBCK1 = 24/48 MHz (determined by + * [18]: 0(24)/1(48) MHz) + * SCU7C is Write clear reg to SCU70 + * [23]:= write 1 and then SCU70[23] will be clear as 0b. + */ + ast_moutdwm(ast, 0x1E6E2090, 0x20000000); + ast_moutdwm(ast, 0x1E6E2094, 0x00004000); + if (ast_mindwm(ast, 0x1E6E2070) & 0x00800000) { + ast_moutdwm(ast, 0x1E6E207C, 0x00800000); + mdelay(100); + ast_moutdwm(ast, 0x1E6E2070, 0x00800000); + } + /* Modify eSPI reset pin */ + temp = ast_mindwm(ast, 0x1E6E2070); + if (temp & 0x02000000) + ast_moutdwm(ast, 0x1E6E207C, 0x00004000); + + /* Slow down CPU/AHB CLK in VGA only mode */ + temp = ast_read32(ast, 0x12008); + temp |= 0x73; + ast_write32(ast, 0x12008, temp); + + if (!ast_dram_init_2500(ast)) + drm_err(dev, "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_VGACRI, 0xd0, 0xff); + } while ((reg & 0x40) == 0); +} + +int ast_2500_post(struct ast_device *ast) +{ + ast_2300_set_def_ext_reg(ast); + + if (ast->config_mode == ast_use_p2a) { + ast_post_chip_2500(ast); + } else { + if (ast->tx_chip == AST_TX_SIL164) { + /* Enable DVO */ + ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xa3, 0xcf, 0x80); + } + } + + return 0; +} |