xref: /aosp_15_r20/external/coreboot/src/soc/nvidia/tegra/apbmisc.h (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #ifndef __SOC_NVIDIA_TEGRA_APBMISC_H__
4 #define __SOC_NVIDIA_TEGRA_APBMISC_H__
5 
6 #include <stdint.h>
7 
8 struct apbmisc {
9 	u32 reserved0[2];		/* ABP_MISC_PP_ offsets 00 and 04 */
10 	u32 pp_strapping_opt_a;		/* _STRAPPING_OPT_A_0, offset 08 */
11 	u32 reserved1[6];		/* ABP_MISC_PP_ offsets 0C-20 */
12 	u32 pp_config_ctl;		/* _CONFIG_CTL_0, offset 24 */
13 	u32 reserved2[6];		/* APB_MISC_PP_ offsets 28-3C */
14 	u32 pp_pinmux_global;		/* _PINMUX_GLOBAL_0, offset 40 */
15 };
16 
17 #define PP_CONFIG_CTL_TBE		(1 << 7)
18 #define PP_CONFIG_CTL_JTAG		(1 << 6)
19 
20 #define PP_PINMUX_CLAMP_INPUTS		(1 << 0)
21 
22 enum {
23 	MISC_GP_HIDREV = 0x804
24 };
25 
26 struct tegra_revision {
27 	int hid_fam;
28 	int chip_id;
29 	int major;
30 	int minor;
31 };
32 
33 void enable_jtag(void);
34 void clamp_tristate_inputs(void);
35 void tegra_revision_info(struct tegra_revision *id);
36 
37 enum {
38 	PP_STRAPPING_OPT_A_RAM_CODE_SHIFT = 4,
39 	PP_STRAPPING_OPT_A_RAM_CODE_MASK =
40 		0xF << PP_STRAPPING_OPT_A_RAM_CODE_SHIFT,
41 };
42 
43 #endif	/* __SOC_NVIDIA_TEGRA_APBMISC_H__ */
44