diff options
Diffstat (limited to 'src/drivers/aspeed/common/ast_main.c')
| -rw-r--r-- | src/drivers/aspeed/common/ast_main.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/src/drivers/aspeed/common/ast_main.c b/src/drivers/aspeed/common/ast_main.c index f9fb5e2361..0a26a9c922 100644 --- a/src/drivers/aspeed/common/ast_main.c +++ b/src/drivers/aspeed/common/ast_main.c @@ -75,8 +75,10 @@ static int ast_detect_chip(struct drm_device *dev, bool *need_post) } else { pci_read_config_dword(ast->dev->pdev, 0x08, &data); uint8_t revision = data & 0xff; - - if (revision >= 0x30) { + if (revision >= 0x40) { + ast->chip = AST2500; + DRM_INFO("AST 2500 detected\n"); + } else if (revision >= 0x30) { ast->chip = AST2400; DRM_INFO("AST 2400 detected\n"); } else if (revision >= 0x20) { @@ -151,6 +153,8 @@ static int ast_detect_chip(struct drm_device *dev, bool *need_post) ast->support_wide_screen = true; if (ast->chip == AST2400 && data == 0x100) /* ast1400 */ ast->support_wide_screen = true; + if (ast->chip == AST2500 && data == 0x100) /* ast2510 */ + ast->support_wide_screen = true; } break; } @@ -241,7 +245,23 @@ static int ast_get_dram_info(struct drm_device *dev) else ast->dram_bus_width = 32; - if (ast->chip == AST2300 || ast->chip == AST2400) { + if (ast->chip == AST2500) { + switch (data & 0x03) { + case 0: + ast->dram_type = AST_DRAM_1Gx16; + break; + default: + case 1: + ast->dram_type = AST_DRAM_2Gx16; + break; + case 2: + ast->dram_type = AST_DRAM_4Gx16; + break; + case 3: + ast->dram_type = AST_DRAM_8Gx16; + break; + } + } else if (ast->chip == AST2300 || ast->chip == AST2400) { switch (data & 0x03) { case 0: ast->dram_type = AST_DRAM_512Mx16; |