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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4914 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
gdisirio 2012-12-16 09:03:56 +00:00
parent 1d962813e8
commit b570290ae7
3 changed files with 52 additions and 10 deletions
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47
os/hal/platforms/SAM4L/hal_lld.c
View File

@ -53,6 +53,34 @@
/* Driver local functions. */
/*===========================================================================*/
void sam_set_optimal_flash_mode(void) {
if (SAM_PMCON_PS == SAM_PMCON_PS0) {
/* Scalability Level 0.*/
if (SAM_CPU_CLK > SAM_FLASH0WS_MAX) {
/* One wait state required.*/
if (SAM_CPU_CLK <= SAM_FLASH1WS_MAX) {
/* Fast read mode disabled.*/
}
else {
/* Fast read mode enabled.*/
}
}
else {
/* No wait state required.*/
}
}
else {
/* Scalability Level 1.*/
if (SAM_CPU_CLK > SAM_FLASH0WS_MAX) {
}
else {
}
}
}
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
@ -130,23 +158,30 @@ void sam_clock_init(void) {
#if SAM_MCCTRL_MCSEL == SAM_MCSEL_RCSYS
/* Nothing to do, already running from SYSIRC.*/
#endif
#if SAM_MCCTRL_MCSEL == SAM_MCSEL_OSC0
SAM_SCIF_UNLOCK(&SCIF->SCIF_OSCCTRL0);
SCIF->SCIF_OSCCTRL0 = SAM_OSCCTRL_GAIN | SAM_OSCCTRL_MODE |
SAM_OSCCTRL_STARTUP | SAM_OSCCTRL_OSCEN;
while (!(SCIF->SCIF_PCLKSR & SCIF_PCLKSR_OSC0RDY))
;
#endif
sam_set_optimal_flash_mode();
#endif /* SAM_MCCTRL_MCSEL == SAM_MCSEL_RCSYS */
#if SAM_MCCTRL_MCSEL == SAM_MCSEL_PLL
#endif
#endif /* SAM_MCCTRL_MCSEL == SAM_MCSEL_PLL */
#if SAM_MCCTRL_MCSEL == SAM_MCSEL_DFLL
#endif
#endif /* SAM_MCCTRL_MCSEL == SAM_MCSEL_DFLL */
#if SAM_MCCTRL_MCSEL == SAM_MCSEL_RC80M
#endif
#endif /* SAM_MCCTRL_MCSEL == SAM_MCSEL_RC80M */
#if SAM_MCCTRL_MCSEL == SAM_MCSEL_RCFAST
#endif
#endif /* SAM_MCCTRL_MCSEL == SAM_MCSEL_RCFAST */
#if SAM_MCCTRL_MCSEL == SAM_MCSEL_RC1M
#endif
#endif /* SAM_MCCTRL_MCSEL == SAM_MCSEL_RC1M */
#endif /* SAM_NO_INIT */
}

8
os/hal/platforms/SAM4L/hal_lld.h
View File

@ -251,7 +251,7 @@
#endif
/**
* @brief Power mode.
* @brief Power Scalability mode.
*/
#if !defined(SAM_PMCON_PS) || defined(__DOXYGEN__)
#define SAM_PMCON_PS SAM_PMCON_PS0
@ -321,6 +321,9 @@
#define SAM_PBBCLK_MAX 50000000
#define SAM_PBCCLK_MAX 50000000
#define SAM_PBDCLK_MAX 50000000
#define SAM_FLASH0WS_MAX 18000000
#define SAM_FLASH1WS_MAX 36000000
#define SAM_FLASH1WS_FWU_MAX 12000000
#elif SAM_PMCON_PS == SAM_PMCON_PS1
#define SAM_CPUCLK_MAX 12000000
@ -328,6 +331,9 @@
#define SAM_PBBCLK_MAX 12000000
#define SAM_PBCCLK_MAX 12000000
#define SAM_PBDCLK_MAX 12000000
#define SAM_FLASH0WS_MAX 8000000
#define SAM_FLASH1WS_MAX 12000000
#define SAM_FLASH1WS_FWU_MAX 0
#else
#error "invalid SAM_PMCON_PS value specified"

7
os/hal/platforms/SAM4L/platform.mk
View File

@ -1,6 +1,7 @@
# List of all the STM32F3xx platform files.
PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/SAM4L/hal_lld.c
PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/SAM4L/hal_lld.c \
${CHIBIOS}/os/hal/platforms/SAM4L/asf/flashcalw.c
# Required include directories
PLATFORMINC = ${CHIBIOS}/os/hal/platforms/SAM4L
PLATFORMINC = ${CHIBIOS}/os/hal/platforms/SAM4L \
${CHIBIOS}/os/hal/platforms/SAM4L/asf