diff options
| author | Patrick Rudolph <patrick.rudolph@9elements.com> | 2019-08-05 10:43:09 +0200 |
|---|---|---|
| committer | Philipp Deppenwiese <zaolin.daisuki@gmail.com> | 2019-12-12 13:00:25 +0000 |
| commit | 9fe3d692c741a873317d0b1738b12145ff9c800e (patch) | |
| tree | 5098b6d2fbd1bd40f028effcd82e44a4f4bd03cb /src/drivers/aspeed/common/ast_dp501.c | |
| parent | f1a4ae0a48e90de2a8a029c38c4583506b02a676 (diff) | |
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>
Diffstat (limited to 'src/drivers/aspeed/common/ast_dp501.c')
| -rw-r--r-- | src/drivers/aspeed/common/ast_dp501.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/src/drivers/aspeed/common/ast_dp501.c b/src/drivers/aspeed/common/ast_dp501.c index 99b087550f..2954744557 100644 --- a/src/drivers/aspeed/common/ast_dp501.c +++ b/src/drivers/aspeed/common/ast_dp501.c @@ -147,7 +147,7 @@ bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size) return false; } -bool ast_launch_m68k(struct drm_device *dev) +static bool ast_launch_m68k(struct drm_device *dev) { struct ast_private *ast = dev->dev_private; u32 i, data, len = 0; @@ -161,7 +161,10 @@ bool ast_launch_m68k(struct drm_device *dev) if (ast->dp501_fw_addr) { fw_addr = ast->dp501_fw_addr; len = 32*1024; - } else if (ast->dp501_fw) { + } else { + if (!ast->dp501_fw) + return false; + fw_addr = (u8 *)ast->dp501_fw->data; len = ast->dp501_fw->size; } @@ -226,11 +229,7 @@ u8 ast_get_dp501_max_clk(struct drm_device *dev) /* Read Link Capability */ offset = 0xf014; - data = ast_mindwm(ast, boot_address + offset); - linkcap[0] = (data & 0xff000000) >> 24; - linkcap[1] = (data & 0x00ff0000) >> 16; - linkcap[2] = (data & 0x0000ff00) >> 8; - linkcap[3] = (data & 0x000000ff); + *(u32 *)linkcap = ast_mindwm(ast, boot_address + offset); if (linkcap[2] == 0) { linkrate = linkcap[0]; linklanes = linkcap[1]; |