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This adds support for the Microchip PIC32 MIPS microcontroller with the specific variant PIC32MZDA. PIC32MZDA is based on the MIPS m14KEc core and boots using device tree. This includes an early pin setup and early clock setup needed prior to device tree being initialized. In additon, an interface is provided to synchronize access to registers shared across several peripherals. Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com> Cc: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/12097/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
30 lines
962 B
C
30 lines
962 B
C
/*
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* Joshua Henderson <joshua.henderson@microchip.com>
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* Copyright (C) 2015 Microchip Technology Inc. All rights reserved.
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*
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* This program is free software; you can distribute it and/or modify it
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* under the terms of the GNU General Public License (Version 2) as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#ifndef PIC32MZDA_COMMON_H
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#define PIC32MZDA_COMMON_H
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/* early clock */
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u32 pic32_get_pbclk(int bus);
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u32 pic32_get_sysclk(void);
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/* Device configuration */
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void __init pic32_config_init(void);
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int pic32_set_lcd_mode(int mode);
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int pic32_set_sdhci_adma_fifo_threshold(u32 rthrs, u32 wthrs);
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u32 pic32_get_boot_status(void);
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int pic32_disable_lcd(void);
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int pic32_enable_lcd(void);
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#endif
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