xref: /linux-6.15/include/soc/tegra/fuse.h (revision 3f394f80)
1 /*
2  * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms and conditions of the GNU General Public License,
6  * version 2, as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
11  * more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15  */
16 
17 #ifndef __SOC_TEGRA_FUSE_H__
18 #define __SOC_TEGRA_FUSE_H__
19 
20 #define TEGRA20		0x20
21 #define TEGRA30		0x30
22 #define TEGRA114	0x35
23 #define TEGRA124	0x40
24 
25 #ifndef __ASSEMBLY__
26 
27 u32 tegra_read_chipid(void);
28 u8 tegra_get_chip_id(void);
29 
30 #if defined(CONFIG_TEGRA20_APB_DMA)
31 int tegra_apb_readl_using_dma(unsigned long offset, u32 *value);
32 int tegra_apb_writel_using_dma(u32 value, unsigned long offset);
33 #else
34 static inline int tegra_apb_readl_using_dma(unsigned long offset, u32 *value)
35 {
36 	return -EINVAL;
37 }
38 static inline int tegra_apb_writel_using_dma(u32 value, unsigned long offset)
39 {
40 	return -EINVAL;
41 }
42 #endif /* CONFIG_TEGRA20_APB_DMA */
43 
44 #endif /* __ASSEMBLY__ */
45 
46 #endif /* __SOC_TEGRA_FUSE_H__ */
47