cpu/msp430|cc430: removed old flashrom driver

cpu/cc430/flashrom.c

-/*
- * Copyright (C) 2014 INRIA
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
- */
-
-/**
- * @ingroup cc430
- * @{
- */
-
-/**
- * @file
- * @brief       cc430 flashrom driver
- *
- * @author      Kévin Roussel <Kevin.Roussel@inria.fr>
- */
-
-#include <stddef.h>
-#include <stdint.h>
-#include "cpu.h"
-#include "irq.h"
-
-static inline uint8_t prepare(void);
-static inline void finish(uint8_t istate);
-static inline void busy_wait(void);
-
-/**
- * @TODO implement this function
- */
-uint8_t flashrom_erase(uint8_t *addr)
-{
-    (void) addr;
-
-    return 0;
-}
-
-/**
- * @TODO implement this function
- */
-uint8_t flashrom_write(uint8_t *dst, const uint8_t *src, size_t size)
-{
-    (void) dst;
-    (void) src;
-    (void) size;
-
-    return 0;
-}
-
-/**
- * @TODO implement this function
- */
-static inline uint8_t prepare(void)
-{
-    return 0;
-}
-
-/**
- * @TODO implement this function
- */
-static inline void finish(uint8_t istate)
-{
-    (void) istate;
-}
-
-static inline void busy_wait(void)
-{
-    /* Wait for BUSY = 0, not needed unless run from RAM */
-    while (FCTL3 & 0x0001) {
-        nop();
-    }
-}

cpu/msp430fxyz/flashrom.c

-/*
- * Copyright (C) 2014 INRIA
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
- */
-
-/**
- * @ingroup     cpu
- * @{
- *
- * @file
- * @brief       MSP430Fxyz flashrom functions
- *
- * @author      Oliver Hahm <oliver.hahm@inria.fr>
- *
- * @}
- */
-
-#include "irq.h"
-#include <stddef.h>
-#include <stdint.h>
-#include "cpu.h"
-#include "irq.h"
-
-uint8_t ie1, ie2;
-
-static uint8_t prepare(void);
-static void finish(uint8_t istate);
-static inline void busy_wait(void);
-
-/*---------------------------------------------------------------------------*/
-uint8_t flashrom_erase(uint8_t *addr)
-{
-    uint8_t istate = prepare();
-
-    FCTL3 = FWKEY;               /* Lock = 0 */
-    busy_wait();
-    FCTL1 = FWKEY | ERASE;
-    *addr  = 0;                    /* erase Flash segment */
-    busy_wait();
-    FCTL1 = FWKEY;               /* ERASE = 0 */
-    FCTL3 = FWKEY | LOCK;
-    finish(istate);
-    return 1;
-}
-
-uint8_t flashrom_write(uint8_t *dst, const uint8_t *src, size_t size)
-{
-    unsigned int i;
-    FCTL3 = FWKEY;              /* Lock = 0 */
-    busy_wait();
-
-    for (i = size; i > 0; i--) {
-        FCTL1 = FWKEY | WRT;
-        *(dst++) = *(src++);                /* program Flash word */
-
-        while (!(FCTL3 & WAIT)) {
-            nop();
-        }
-    }
-
-    busy_wait();
-    FCTL1 = FWKEY;              /* WRT = 0 */
-    FCTL3 = FWKEY | LOCK;              /* Lock = 1 */
-    return 1;
-}
-
-/*---------------------------------------------------------------------------*/
-static uint8_t prepare(void)
-{
-    uint8_t istate;
-
-    /* Disable all interrupts. */
-
-    /* Clear interrupt flag1. */
-    IFG1 = 0;
-
-    /* DCO(SMCLK) is 2,4576MHz, /6 = 409600 Hz
-     select SMCLK for flash timing, divider 4+1 */
-    FCTL2 = FWKEY | FSSEL_3 | FN2 | FN0;
-
-    /* disable all interrupts to protect CPU
-     during programming from system crash */
-    istate = irq_disable();
-
-    /* disable all NMI-Interrupt sources */
-    ie1 = IE1;
-    ie2 = IE2;
-    IE1 = 0x00;
-    IE2 = 0x00;
-    return istate;
-}
-/*---------------------------------------------------------------------------*/
-void finish(uint8_t istate)
-{
-    /* Enable interrupts. */
-    IE1 = ie1;
-    IE2 = ie2;
-    irq_restore(istate);
-}
-
-static inline void busy_wait(void)
-{
-    /* Wait for BUSY = 0, not needed unless run from RAM */
-    while (FCTL3 & 0x0001) {
-        nop();
-    }
-}