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/*
* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __SOC_TEGRA_FUSE_H__
#define __SOC_TEGRA_FUSE_H__
#define TEGRA20 0x20
#define TEGRA30 0x30
#define TEGRA114 0x35
#define TEGRA124 0x40
#define TEGRA_FUSE_SKU_CALIB_0 0xf0
#define TEGRA30_FUSE_SATA_CALIB 0x124
#ifndef __ASSEMBLY__
u32 tegra_read_chipid(void);
u8 tegra_get_chip_id(void);
enum tegra_revision {
TEGRA_REVISION_UNKNOWN = 0,
TEGRA_REVISION_A01,
TEGRA_REVISION_A02,
TEGRA_REVISION_A03,
TEGRA_REVISION_A03p,
TEGRA_REVISION_A04,
TEGRA_REVISION_MAX,
};
struct tegra_sku_info {
int sku_id;
int cpu_process_id;
int cpu_speedo_id;
int cpu_speedo_value;
int cpu_iddq_value;
int core_process_id;
int soc_speedo_id;
int gpu_speedo_id;
int gpu_process_id;
int gpu_speedo_value;
enum tegra_revision revision;
};
u32 tegra_read_straps(void);
u32 tegra_read_chipid(void);
void tegra_init_fuse(void);
int tegra_fuse_readl(unsigned long offset, u32 *value);
extern struct tegra_sku_info tegra_sku_info;
#if defined(CONFIG_TEGRA20_APB_DMA)
int tegra_apb_readl_using_dma(unsigned long offset, u32 *value);
int tegra_apb_writel_using_dma(u32 value, unsigned long offset);
#else
static inline int tegra_apb_readl_using_dma(unsigned long offset, u32 *value)
{
return -EINVAL;
}
static inline int tegra_apb_writel_using_dma(u32 value, unsigned long offset)
{
return -EINVAL;
}
#endif /* CONFIG_TEGRA20_APB_DMA */
#endif /* __ASSEMBLY__ */
#endif /* __SOC_TEGRA_FUSE_H__ */
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