diff options
| author | Marshall Dawson <marshalldawson3rd@gmail.com> | 2019-05-03 20:29:32 -0600 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2019-06-06 19:25:48 +0000 |
| commit | a887c1b15b158321c48057387ff55645654cb97c (patch) | |
| tree | 361025b99c4acf97caa7b870d9b0f122aa417e9e /src/soc/amd/common/block/include | |
| parent | e1780e9047ae12eae64df5ac3d2c19e5725e58b5 (diff) | |
src/amd/stoneyridge: Move alink source to common
Relocate the alink access functions out of stoneyridge where they
were dead code. This source maintains the ability to access all
register spaces, however more modern APUs define only ABCFG in
the BKDGs.
BUG=b:131682806
Change-Id: I5c558ccc64bd04a66399c678d43beb0a97e72f63
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32663
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd/common/block/include')
| -rw-r--r-- | src/soc/amd/common/block/include/amdblocks/alink.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/include/amdblocks/alink.h b/src/soc/amd/common/block/include/amdblocks/alink.h new file mode 100644 index 0000000000..a6f748b809 --- /dev/null +++ b/src/soc/amd/common/block/include/amdblocks/alink.h @@ -0,0 +1,48 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __AMDBLOCKS_ALINK_H__ +#define __AMDBLOCKS_ALINK_H__ + +#include <stdint.h> + +#define AB_INDX 0xcd8 +#define AB_DATA (AB_INDX + 4) + +#define AX_INDXC 0 +#define AX_INDXP 2 +#define AXCFG 4 +#define ABCFG 6 +#define RC_INDXC 1 +#define RC_INDXP 3 + +#define abcfg_reg(reg, mask, val) \ + alink_ab_indx((ABCFG), (reg), (mask), (val)) +#define axcfg_reg(reg, mask, val) \ + alink_ab_indx((AXCFG), (reg), (mask), (val)) +#define axindxc_reg(reg, mask, val) \ + alink_ax_indx((AX_INDXC), (reg), (mask), (val)) +#define axindxp_reg(reg, mask, val) \ + alink_ax_indx((AX_INDXP), (reg), (mask), (val)) +#define rcindxc_reg(reg, port, mask, val) \ + alink_rc_indx((RC_INDXC), (reg), (port), (mask), (val)) +#define rcindxp_reg(reg, port, mask, val) \ + alink_rc_indx((RC_INDXP), (reg), (port), (mask), (val)) + +void alink_rc_indx(u32 reg_space, u32 reg_addr, u32 port, u32 mask, u32 val); +void alink_ab_indx(u32 reg_space, u32 reg_addr, u32 mask, u32 val); +void alink_ax_indx(u32 space /* c or p? */, u32 axindc, u32 mask, u32 val); + +#endif /* __AMDBLOCKS_ALINK_H__ */ |