diff options
Diffstat (limited to 'os/hal')
| -rw-r--r-- | os/hal/platforms/SPC560Pxx/hal_lld.c | 70 | ||||
| -rw-r--r-- | os/hal/platforms/SPC560Pxx/hal_lld.h | 292 |
2 files changed, 343 insertions, 19 deletions
diff --git a/os/hal/platforms/SPC560Pxx/hal_lld.c b/os/hal/platforms/SPC560Pxx/hal_lld.c index b8c45f32a..3992aba8b 100644 --- a/os/hal/platforms/SPC560Pxx/hal_lld.c +++ b/os/hal/platforms/SPC560Pxx/hal_lld.c @@ -55,6 +55,11 @@ * @notapi
*/
void hal_lld_init(void) {
+
+ /* The system is switched to the RUN0 mode, the default for normal
+ operations.*/
+ if (halSPC560PSetRunMode(SPC560P_RUNMODE_RUN0) == CH_FAILED)
+ chSysHalt();
}
/**
@@ -66,6 +71,71 @@ void hal_lld_init(void) { * @special
*/
void spc560p_clock_init(void) {
+
+ /* Waiting for IRC stabilization before attempting anything else.*/
+ while (!ME.GS.B.S_RC)
+ ;
+
+#if !SPC560P_NO_INIT
+
+#if defined(SPC560P_OSC_BYPASS)
+ /* If the board is equipped with an oscillator instead of a xtal then the
+ bypass must be activated.*/
+ CGM.OSC_CTL.B.OSCBYP = TRUE;
+#endif /* SPC560P_ENABLE_XOSC */
+
+ /* Initialization of the FMPLLs settings.*/
+ CGM.FMPLL[0].CR.R = SPC560P_FMPLL0_ODF |
+ (SPC560P_FMPLL0_IDF_VALUE << 26) |
+ (SPC560P_FMPLL0_NDIV_VALUE << 16);
+ CGM.FMPLL[0].MR.R = 0; /* TODO: Add a setting. */
+ CGM.FMPLL[1].CR.R = SPC560P_FMPLL1_ODF |
+ (SPC560P_FMPLL1_IDF_VALUE << 26) |
+ (SPC560P_FMPLL1_NDIV_VALUE << 16);
+ CGM.FMPLL[1].MR.R = 0; /* TODO: Add a setting. */
+
+ /* Run modes initialization.*/
+ ME.MER.R = SPC560P_ME_ME_BITS; /* Enabled run modes. */
+ ME.TEST.R = SPC560P_ME_TEST_MC_BITS; /* TEST run mode. */
+ ME.SAFE.R = SPC560P_ME_SAFE_MC_BITS; /* SAFE run mode. */
+ ME.DRUN.R = SPC560P_ME_DRUN_MC_BITS; /* DRUN run mode. */
+ ME.RUN[0].R = SPC560P_ME_RUN0_MC_BITS; /* RUN0 run mode. */
+ ME.RUN[1].R = SPC560P_ME_RUN1_MC_BITS; /* RUN0 run mode. */
+ ME.RUN[2].R = SPC560P_ME_RUN2_MC_BITS; /* RUN0 run mode. */
+ ME.RUN[3].R = SPC560P_ME_RUN3_MC_BITS; /* RUN0 run mode. */
+ ME.HALT0.R = SPC560P_ME_HALT0_MC_BITS; /* HALT0 run mode. */
+ ME.STOP0.R = SPC560P_ME_STOP0_MC_BITS; /* STOP0 run mode. */
+
+ /* Switches again to DRUN mode (current mode) in order to update the
+ settings.*/
+ if (halSPC560PSetRunMode(SPC560P_RUNMODE_DRUN) == CH_FAILED)
+ chSysHalt();
+
+#endif /* !SPC560P_NO_INIT */
+}
+
+/**
+ * @brief Switches the system to the specified run mode.
+ */
+bool_t halSPC560PSetRunMode(spc560prunmode_t mode) {
+
+ /* Starts a transition process.*/
+ ME.MCTL.R = SPC560P_ME_MCTL_MODE(mode) | SPC560P_ME_MCTL_KEY;
+ ME.MCTL.R = SPC560P_ME_MCTL_MODE(mode) | SPC560P_ME_MCTL_KEY_INV;
+
+ /* Waits the transition process to start.*/
+ while (!ME.GS.B.S_MTRANS)
+ ;
+
+ /* Waits the transition process to end.*/
+ while (ME.GS.B.S_MTRANS)
+ ;
+
+ /* Verifies that the mode has been effectively switched.*/
+ if (ME.GS.B.S_CURRENTMODE != mode)
+ return TRUE;
+
+ return FALSE;
}
/** @} */
diff --git a/os/hal/platforms/SPC560Pxx/hal_lld.h b/os/hal/platforms/SPC560Pxx/hal_lld.h index bec68872b..706b7f5c9 100644 --- a/os/hal/platforms/SPC560Pxx/hal_lld.h +++ b/os/hal/platforms/SPC560Pxx/hal_lld.h @@ -24,6 +24,7 @@ * @pre This module requires the following macros to be defined in the
* @p board.h file:
* - SPC560P_XOSC_CLK.
+ * - SPC560P_OSC_BYPASS (optionally).
* .
*
* @addtogroup HAL
@@ -112,10 +113,65 @@ * @name FMPLL_CR register bits definitions
* @{
*/
-#define SPC560P_FMPLL_ODF_DIV2 (0 << 24)
-#define SPC560P_FMPLL_ODF_DIV4 (1 << 24)
-#define SPC560P_FMPLL_ODF_DIV8 (2 << 24)
-#define SPC560P_FMPLL_ODF_DIV16 (3 << 24)
+#define SPC560P_FMPLL_ODF_DIV2 (0U << 24)
+#define SPC560P_FMPLL_ODF_DIV4 (1U << 24)
+#define SPC560P_FMPLL_ODF_DIV8 (2U << 24)
+#define SPC560P_FMPLL_ODF_DIV16 (3U << 24)
+/** @} */
+
+/**
+ * @name ME_ME register bits definitions
+ * @{
+ */
+#define SPC560P_ME_ME_RESET (1U << 0)
+#define SPC560P_ME_ME_TEST (2U << 0)
+#define SPC560P_ME_ME_SAFE (4U << 0)
+#define SPC560P_ME_ME_DRUN (8U << 0)
+#define SPC560P_ME_ME_RUN0 (16U << 0)
+#define SPC560P_ME_ME_RUN1 (32U << 0)
+#define SPC560P_ME_ME_RUN2 (64U << 0)
+#define SPC560P_ME_ME_RUN3 (128U << 0)
+#define SPC560P_ME_ME_HALT0 (256U << 0)
+#define SPC560P_ME_ME_STOP0 (1024U << 0)
+/** @} */
+
+/**
+ * @name ME_xxx_MC registers bits definitions
+ * @{
+ */
+#define SPC560P_ME_MC_SYSCLK_MASK (15U << 0)
+#define SPC560P_ME_MC_SYSCLK(n) ((n) << 0)
+#define SPC560P_ME_MC_SYSCLK_IRC SPC560P_ME_MC_SYSCLK(0)
+#define SPC560P_ME_MC_SYSCLK_XOSC SPC560P_ME_MC_SYSCLK(2)
+#define SPC560P_ME_MC_SYSCLK_FMPLL0 SPC560P_ME_MC_SYSCLK(4)
+#define SPC560P_ME_MC_SYSCLK_FMPLL1 SPC560P_ME_MC_SYSCLK(5)
+#define SPC560P_ME_MC_SYSCLK_DISABLED SPC560P_ME_MC_SYSCLK(15)
+#define SPC560P_ME_MC_IRCON (1U << 4)
+#define SPC560P_ME_MC_XOSC0ON (1U << 5)
+#define SPC560P_ME_MC_PLL0ON (1U << 6)
+#define SPC560P_ME_MC_PLL1ON (1U << 7)
+#define SPC560P_ME_MC_CFLAON_MASK (3U << 16)
+#define SPC560P_ME_MC_CFLAON(n) ((n) << 16)
+#define SPC560P_ME_MC_CFLAON_PD (1U << 16)
+#define SPC560P_ME_MC_CFLAON_LP (2U << 16)
+#define SPC560P_ME_MC_CFLAON_NORMAL (3U << 16)
+#define SPC560P_ME_MC_DFLAON_MASK (3U << 18)
+#define SPC560P_ME_MC_DFLAON(n) ((n) << 18)
+#define SPC560P_ME_MC_DFLAON_PD (1U << 18)
+#define SPC560P_ME_MC_DFLAON_LP (2U << 18)
+#define SPC560P_ME_MC_DFLAON_NORMAL (3U << 18)
+#define SPC560P_ME_MC_MVRON (1U << 20)
+#define SPC560P_ME_MC_PDO (1U << 23)
+/** @} */
+
+/**
+ * @name ME_MCTL register bits definitions
+ * @{
+ */
+#define SPC560P_ME_MCTL_KEY 0x5AF0U
+#define SPC560P_ME_MCTL_KEY_INV 0xA50FU
+#define SPC560P_ME_MCTL_MODE_MASK (15U << 28)
+#define SPC560P_ME_MCTL_MODE(n) ((n) << 28)
/** @} */
/*===========================================================================*/
@@ -123,13 +179,10 @@ /*===========================================================================*/
/**
- * @brief Clock bypass.
- * @note If set to @p TRUE then the PLL is not started and initialized, the
- * external clock is used as-is and the other clock-related settings
- * are ignored.
+ * @brief Disables the clocks initialization in the HAL.
*/
-#if !defined(SPC560P_CLK_BYPASS) || defined(__DOXYGEN__)
-#define SPC560P_CLK_BYPASS FALSE
+#if !defined(SPC560P_NO_INIT) || defined(__DOXYGEN__)
+#define SPC560P_NO_INIT FALSE
#endif
/**
@@ -163,6 +216,159 @@ #define SPC560P_FMPLL0_ODF SPC560P_FMPLL_ODF_DIV4
#endif
+/**
+ * @brief FMPLL1 IDF divider value.
+ * @note The default value is calculated for XOSC=40MHz and PHI=64MHz.
+ */
+#if !defined(SPC560P_FMPLL1_IDF_VALUE) || defined(__DOXYGEN__)
+#define SPC560P_FMPLL1_IDF_VALUE 5
+#endif
+
+/**
+ * @brief FMPLL1 NDIV divider value.
+ * @note The default value is calculated for XOSC=40MHz and PHI=64MHz.
+ */
+#if !defined(SPC560P_FMPLL1_NDIV_VALUE) || defined(__DOXYGEN__)
+#define SPC560P_FMPLL1_NDIV_VALUE 60
+#endif
+
+/**
+ * @brief FMPLL1 ODF divider value.
+ * @note The default value is calculated for XOSC=40MHz and PHI=64MHz.
+ */
+#if !defined(SPC560P_FMPLL1_ODF) || defined(__DOXYGEN__)
+#define SPC560P_FMPLL1_ODF SPC560P_FMPLL_ODF_DIV4
+#endif
+
+/**
+ * @brief Active run modes in ME_ME register.
+ * @note Modes RESET, SAFE, DRUN, and RUN0 modes are always enabled, there
+ * is no need to specify them.
+ */
+#if !defined(SPC560P_ME_ME_BITS) || defined(__DOXYGEN__)
+#define SPC560P_ME_ME_BITS 0
+#endif
+
+/**
+ * @brief TEST mode settings.
+ */
+#if !defined(SPC560P_ME_TEST_MC_BITS) || defined(__DOXYGEN__)
+#define SPC560P_ME_TEST_MC_BITS (SPC560P_ME_MC_SYSCLK_IRC | \
+ SPC560P_ME_MC_IRCON | \
+ SPC560P_ME_MC_XOSC0ON | \
+ SPC560P_ME_MC_PLL0ON | \
+ SPC560P_ME_MC_PLL1ON | \
+ SPC560P_ME_MC_CFLAON_NORMAL | \
+ SPC560P_ME_MC_DFLAON_NORMAL | \
+ SPC560P_ME_MC_MVRON)
+#endif
+
+/**
+ * @brief SAFE mode settings.
+ */
+#if !defined(SPC560P_ME_SAFE_MC_BITS) || defined(__DOXYGEN__)
+#define SPC560P_ME_SAFE_MC_BITS (SPC560P_ME_MC_PDO)
+
+#endif
+
+/**
+ * @brief DRUN mode settings.
+ */
+#if !defined(SPC560P_ME_DRUN_MC_BITS) || defined(__DOXYGEN__)
+#define SPC560P_ME_DRUN_MC_BITS (SPC560P_ME_MC_SYSCLK_FMPLL0 | \
+ SPC560P_ME_MC_IRCON | \
+ SPC560P_ME_MC_XOSC0ON | \
+ SPC560P_ME_MC_PLL0ON | \
+ SPC560P_ME_MC_PLL1ON | \
+ SPC560P_ME_MC_CFLAON_NORMAL | \
+ SPC560P_ME_MC_DFLAON_NORMAL | \
+ SPC560P_ME_MC_MVRON)
+#endif
+
+/**
+ * @brief RUN0 mode settings.
+ */
+#if !defined(SPC560P_ME_RUN0_MC_BITS) || defined(__DOXYGEN__)
+#define SPC560P_ME_RUN0_MC_BITS (SPC560P_ME_MC_SYSCLK_FMPLL0 | \
+ SPC560P_ME_MC_IRCON | \
+ SPC560P_ME_MC_XOSC0ON | \
+ SPC560P_ME_MC_PLL0ON | \
+ SPC560P_ME_MC_PLL1ON | \
+ SPC560P_ME_MC_CFLAON_NORMAL | \
+ SPC560P_ME_MC_DFLAON_NORMAL | \
+ SPC560P_ME_MC_MVRON)
+#endif
+
+/**
+ * @brief RUN1 mode settings.
+ */
+#if !defined(SPC560P_ME_RUN1_MC_BITS) || defined(__DOXYGEN__)
+#define SPC560P_ME_RUN1_MC_BITS (SPC560P_ME_MC_SYSCLK_FMPLL0 | \
+ SPC560P_ME_MC_IRCON | \
+ SPC560P_ME_MC_XOSC0ON | \
+ SPC560P_ME_MC_PLL0ON | \
+ SPC560P_ME_MC_PLL1ON | \
+ SPC560P_ME_MC_CFLAON_NORMAL | \
+ SPC560P_ME_MC_DFLAON_NORMAL | \
+ SPC560P_ME_MC_MVRON)
+#endif
+
+/**
+ * @brief RUN2 mode settings.
+ */
+#if !defined(SPC560P_ME_RUN2_MC_BITS) || defined(__DOXYGEN__)
+#define SPC560P_ME_RUN2_MC_BITS (SPC560P_ME_MC_SYSCLK_FMPLL0 | \
+ SPC560P_ME_MC_IRCON | \
+ SPC560P_ME_MC_XOSC0ON | \
+ SPC560P_ME_MC_PLL0ON | \
+ SPC560P_ME_MC_PLL1ON | \
+ SPC560P_ME_MC_CFLAON_NORMAL | \
+ SPC560P_ME_MC_DFLAON_NORMAL | \
+ SPC560P_ME_MC_MVRON)
+#endif
+
+/**
+ * @brief RUN3 mode settings.
+ */
+#if !defined(SPC560P_ME_RUN3_MC_BITS) || defined(__DOXYGEN__)
+#define SPC560P_ME_RUN3_MC_BITS (SPC560P_ME_MC_SYSCLK_FMPLL0 | \
+ SPC560P_ME_MC_IRCON | \
+ SPC560P_ME_MC_XOSC0ON | \
+ SPC560P_ME_MC_PLL0ON | \
+ SPC560P_ME_MC_PLL1ON | \
+ SPC560P_ME_MC_CFLAON_NORMAL | \
+ SPC560P_ME_MC_DFLAON_NORMAL | \
+ SPC560P_ME_MC_MVRON)
+#endif
+
+/**
+ * @brief HALT0 mode settings.
+ */
+#if !defined(SPC560P_ME_HALT0_MC_BITS) || defined(__DOXYGEN__)
+#define SPC560P_ME_HALT0_MC_BITS (SPC560P_ME_MC_SYSCLK_FMPLL0 | \
+ SPC560P_ME_MC_IRCON | \
+ SPC560P_ME_MC_XOSC0ON | \
+ SPC560P_ME_MC_PLL0ON | \
+ SPC560P_ME_MC_PLL1ON | \
+ SPC560P_ME_MC_CFLAON_NORMAL | \
+ SPC560P_ME_MC_DFLAON_NORMAL | \
+ SPC560P_ME_MC_MVRON)
+#endif
+
+/**
+ * @brief STOP0 mode settings.
+ */
+#if !defined(SPC560P_ME_STOP0_MC_BITS) || defined(__DOXYGEN__)
+#define SPC560P_ME_STOP0_MC_BITS (SPC560P_ME_MC_SYSCLK_FMPLL0 | \
+ SPC560P_ME_MC_IRCON | \
+ SPC560P_ME_MC_XOSC0ON | \
+ SPC560P_ME_MC_PLL0ON | \
+ SPC560P_ME_MC_PLL1ON | \
+ SPC560P_ME_MC_CFLAON_NORMAL | \
+ SPC560P_ME_MC_DFLAON_NORMAL | \
+ SPC560P_ME_MC_MVRON)
+#endif
+
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
@@ -196,7 +402,6 @@ #error "invalid SPC560P_FMPLL0_ODF value specified"
#endif
-
/**
* @brief SPC560P_FMPLL0_VCO_CLK clock point.
*/
@@ -210,30 +415,78 @@ #endif
/**
- * @brief SPC560P_XOSC_CLK clock point.
+ * @brief SPC560P_FMPLL0_CLK clock point.
*/
#define SPC560P_FMPLL0_CLK \
(SPC560P_FMPLL0_VCO_CLK / SPC560P_FMPLL0_ODF_VALUE)
/* Check on SPC560P_FMPLL0_CLK.*/
-#if SPC560P_FMPLL0_CLK > SPC560P_FMPLL0_CLK_MAX
+#if (SPC560P_FMPLL0_CLK > SPC560P_FMPLL0_CLK_MAX) && !SPC560P_ALLOW_OVERCLOCK
#error "SPC560P_FMPLL0_CLK outside acceptable range (0...SPC560P_FMPLL0_CLK_MAX)"
#endif
-/* FMPLL0 activation conditions.*/
-#if 1 || defined(__DOXYGEN__)
+/* Check on SPC560P_FMPLL1_IDF_VALUE.*/
+#if (SPC560P_FMPLL1_IDF_VALUE < 1) || (SPC560P_FMPLL1_IDF_VALUE > 15)
+#error "invalid SPC560P_FMPLL1_IDF_VALUE value specified"
+#endif
+
+/* Check on SPC560P_FMPLL1_NDIV_VALUE.*/
+#if (SPC560P_FMPLL1_NDIV_VALUE < 32) || (SPC560P_FMPLL1_NDIV_VALUE > 96)
+#error "invalid SPC560P_FMPLL1_NDIV_VALUE value specified"
+#endif
+
+/* Check on SPC560P_FMPLL1_ODF.*/
+#if (SPC560P_FMPLL1_ODF == SPC560P_FMPLL_ODF_DIV2)
+#define SPC560P_FMPLL1_ODF_VALUE 2
+#elif (SPC560P_FMPLL1_ODF == SPC560P_FMPLL_ODF_DIV4)
+#define SPC560P_FMPLL1_ODF_VALUE 4
+#elif (SPC560P_FMPLL1_ODF == SPC560P_FMPLL_ODF_DIV8)
+#define SPC560P_FMPLL1_ODF_VALUE 8
+#elif (SPC560P_FMPLL1_ODF == SPC560P_FMPLL_ODF_DIV16)
+#define SPC560P_FMPLL1_ODF_VALUE 16
+#else
+#error "invalid SPC560P_FMPLL1_ODF value specified"
+#endif
+
/**
- * @brief FMPLL0 activation flag.
+ * @brief SPC560P_FMPLL1_VCO_CLK clock point.
*/
-#define SPC560P_ACTIVATE_FMPLL0 TRUE
-#else
-#define SPC560P_ACTIVATE_FMPLL0 FALSE
+#define SPC560P_FMPLL1_VCO_CLK \
+ ((SPC560P_XOSC_CLK / SPC560P_FMPLL1_IDF_VALUE) * SPC560P_FMPLL1_NDIV_VALUE)
+
+/* Check on FMPLL1 VCO output.*/
+#if (SPC560P_FMPLL1_VCO_CLK < SPC560P_FMPLLVCO_MIN) || \
+ (SPC560P_FMPLL1_VCO_CLK > SPC560P_FMPLLVCO_MAX)
+#error "SPC560P_FMPLL1_CLK outside acceptable range (SPC560P_FMPLLVCO_MIN...SPC560P_FMPLLVCO_MAX)"
+#endif
+
+/**
+ * @brief SPC560P_FMPLL1_CLK clock point.
+ */
+#define SPC560P_FMPLL1_CLK \
+ (SPC560P_FMPLL1_VCO_CLK / SPC560P_FMPLL1_ODF_VALUE)
+
+/* Check on SPC560P_FMPLL1_CLK.*/
+#if (SPC560P_FMPLL1_CLK > SPC560P_FMPLL1_CLK_MAX) && !SPC560P_ALLOW_OVERCLOCK
+#error "SPC560P_FMPLL1_CLK outside acceptable range (0...SPC560P_FMPLL1_CLK_MAX)"
#endif
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
+typedef enum {
+ SPC560P_RUNMODE_TEST = 1,
+ SPC560P_RUNMODE_SAFE = 2,
+ SPC560P_RUNMODE_DRUN = 3,
+ SPC560P_RUNMODE_RUN0 = 4,
+ SPC560P_RUNMODE_RUN1 = 5,
+ SPC560P_RUNMODE_RUN2 = 6,
+ SPC560P_RUNMODE_RUN3 = 7,
+ SPC560P_RUNMODE_HALT0 = 8,
+ SPC560P_RUNMODE_STOP0 = 10
+} spc560prunmode_t;
+
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
@@ -247,6 +500,7 @@ extern "C" { #endif
void hal_lld_init(void);
void spc560p_clock_init(void);
+ bool_t halSPC560PSetRunMode(spc560prunmode_t mode);
#ifdef __cplusplus
}
#endif
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