diff options
Diffstat (limited to 'plat/nvidia/tegra/include/drivers/pmc.h')
| -rw-r--r-- | plat/nvidia/tegra/include/drivers/pmc.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/plat/nvidia/tegra/include/drivers/pmc.h b/plat/nvidia/tegra/include/drivers/pmc.h new file mode 100644 index 0000000..c0616d0 --- /dev/null +++ b/plat/nvidia/tegra/include/drivers/pmc.h @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __PMC_H__ +#define __PMC_H__ + +#include <mmio.h> +#include <tegra_def.h> + +#define PMC_CONFIG 0x0 +#define PMC_PWRGATE_STATUS 0x38 +#define PMC_PWRGATE_TOGGLE 0x30 +#define PMC_TOGGLE_START 0x100 +#define PMC_SCRATCH39 0x138 +#define PMC_SECURE_DISABLE2 0x2c4 +#define PMC_SECURE_DISABLE2_WRITE22_ON (1 << 28) +#define PMC_SECURE_SCRATCH22 0x338 +#define PMC_SECURE_DISABLE3 0x2d8 +#define PMC_SECURE_DISABLE3_WRITE34_ON (1 << 20) +#define PMC_SECURE_DISABLE3_WRITE35_ON (1 << 22) +#define PMC_SECURE_SCRATCH34 0x368 +#define PMC_SECURE_SCRATCH35 0x36c + +static inline uint32_t tegra_pmc_read_32(uint32_t off) +{ + return mmio_read_32(TEGRA_PMC_BASE + off); +} + +static inline void tegra_pmc_write_32(uint32_t off, uint32_t val) +{ + mmio_write_32(TEGRA_PMC_BASE + off, val); +} + +void tegra_pmc_cpu_setup(uint64_t reset_addr); +void tegra_pmc_lock_cpu_vectors(void); +void tegra_pmc_cpu_on(int cpu); +__dead2 void tegra_pmc_system_reset(void); + +#endif /* __PMC_H__ */ |