diff options
Diffstat (limited to 'os/hal/platforms/LPC11xx/hal_lld.c')
| -rw-r--r-- | os/hal/platforms/LPC11xx/hal_lld.c | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/os/hal/platforms/LPC11xx/hal_lld.c b/os/hal/platforms/LPC11xx/hal_lld.c deleted file mode 100644 index 2c10e3404..000000000 --- a/os/hal/platforms/LPC11xx/hal_lld.c +++ /dev/null @@ -1,120 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file LPC11xx/hal_lld.c
- * @brief LPC11xx HAL subsystem low level driver source.
- *
- * @addtogroup HAL
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-/**
- * @brief Register missing in NXP header file.
- */
-#define FLASHCFG (*((volatile uint32_t *)0x4003C010))
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level HAL driver initialization.
- *
- * @notapi
- */
-void hal_lld_init(void) {
-
- /* SysTick initialization using the system clock.*/
- nvicSetSystemHandlerPriority(HANDLER_SYSTICK, CORTEX_PRIORITY_SYSTICK);
- SysTick->LOAD = LPC11xx_SYSCLK / CH_CFG_FREQUENCY - 1;
- SysTick->VAL = 0;
- SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
- SysTick_CTRL_ENABLE_Msk |
- SysTick_CTRL_TICKINT_Msk;
-}
-
-/**
- * @brief LPC11xx clocks and PLL initialization.
- * @note All the involved constants come from the file @p board.h.
- * @note This function must be invoked only after the system reset.
- *
- * @special
- */
-void lpc111x_clock_init(void) {
- unsigned i;
-
- /* Flash wait states setting, the code takes care to not touch TBD bits.*/
- FLASHCFG = (FLASHCFG & ~3) | LPC11xx_FLASHCFG_FLASHTIM;
-
- /* System oscillator initialization if required.*/
-#if LPC11xx_MAINCLK_SOURCE == SYSMAINCLKSEL_PLLOUT
-#if LPC11xx_PLLCLK_SOURCE == SYSPLLCLKSEL_SYSOSC
- LPC_SYSCON->SYSOSCCTRL = LPC11xx_SYSOSCCTRL;
- LPC_SYSCON->PDRUNCFG &= ~(1 << 5); /* System oscillator ON. */
- for (i = 0; i < 200; i++)
- __NOP(); /* Stabilization delay. */
-#endif /* LPC11xx_PLLCLK_SOURCE == SYSPLLCLKSEL_SYSOSC */
-
- /* PLL initialization if required.*/
- LPC_SYSCON->SYSPLLCLKSEL = LPC11xx_PLLCLK_SOURCE;
- LPC_SYSCON->SYSPLLCLKUEN = 1; /* Really required? */
- LPC_SYSCON->SYSPLLCLKUEN = 0;
- LPC_SYSCON->SYSPLLCLKUEN = 1;
- LPC_SYSCON->SYSPLLCTRL = LPC11xx_SYSPLLCTRL_MSEL | LPC11xx_SYSPLLCTRL_PSEL;
- LPC_SYSCON->PDRUNCFG &= ~(1 << 7); /* System PLL ON. */
- while ((LPC_SYSCON->SYSPLLSTAT & 1) == 0) /* Wait PLL lock. */
- ;
-#endif /* LPC11xx_MAINCLK_SOURCE == SYSMAINCLKSEL_PLLOUT */
-
- /* Main clock source selection.*/
- LPC_SYSCON->MAINCLKSEL = LPC11xx_MAINCLK_SOURCE;
- LPC_SYSCON->MAINCLKUEN = 1; /* Really required? */
- LPC_SYSCON->MAINCLKUEN = 0;
- LPC_SYSCON->MAINCLKUEN = 1;
- while ((LPC_SYSCON->MAINCLKUEN & 1) == 0) /* Wait switch completion. */
- ;
-
- /* ABH divider initialization, peripheral clocks are initially disabled,
- the various device drivers will handle their own setup except GPIO and
- IOCON that are left enabled.*/
- LPC_SYSCON->SYSAHBCLKDIV = LPC11xx_SYSABHCLK_DIV;
- LPC_SYSCON->SYSAHBCLKCTRL = 0x0001005F;
-
- /* Memory remapping, vectors always in ROM.*/
- LPC_SYSCON->SYSMEMREMAP = 2;
-}
-
-/** @} */
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