94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
/*
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* Copyright (c) 2012 Ian McKellar
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* Copyright (c) 2013 Travis Geiselbrecht
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <err.h>
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#include <stdio.h>
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#include <debug.h>
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#include <platform.h>
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#include <dev/usb.h>
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#include "ti_driverlib.h"
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void stellaris_debug_early_init(void);
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void stellaris_debug_init(void);
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void stellaris_timer_early_init(void);
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void stellaris_timer_init(void);
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void stellaris_gpio_early_init(void);
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void stellaris_gpio_init(void);
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void stellaris_usbc_early_init(void);
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void stellaris_usbc_init(void);
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void platform_early_init(void)
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{
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//
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// Enable lazy stacking for interrupt handlers. This allows floating-point
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// instructions to be used within interrupt handlers, but at the expense of
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// extra stack usage.
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//
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// FPULazyStackingEnable();
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//
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// Set the clocking to run directly from the crystal.
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//
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SysCtlClockSet(SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_XTAL_16MHZ | SYSCTL_OSC_MAIN);
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stellaris_timer_early_init();
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stellaris_gpio_early_init();
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stellaris_debug_early_init();
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stellaris_usbc_early_init();
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}
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void platform_init(void)
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{
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stellaris_timer_init();
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stellaris_gpio_init();
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stellaris_debug_init();
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stellaris_usbc_init();
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// print device class
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printf("stellaris device class: ");
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if (CLASS_IS_SANDSTORM) printf("sandstorm");
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if (CLASS_IS_FURY) printf("fury");
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if (CLASS_IS_DUSTDEVIL) printf("dustdevil");
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if (CLASS_IS_TEMPEST) printf("tempst");
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if (CLASS_IS_FIRESTORM) printf("firestorm");
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if (CLASS_IS_BLIZZARD) printf("blizzard");
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printf("\n");
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printf("revision register: ");
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uint rev = (HWREG(SYSCTL_DID0) & SYSCTL_DID0_MAJ_M) >> 16;
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printf("%c", rev + 'A');
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printf("%ld", HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MIN_M));
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printf("\n");
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}
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// vim: set ts=4 sw=4 noexpandtab:
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