SAMA5 boards: Add set up for 528MHz CPU clock

10 files changed, 493 insertions, 81 deletions

diff --git a/nuttx/configs/sama5d3-xplained/Kconfig b/nuttx/configs/sama5d3-xplained/Kconfig
index c0c542808..242eb0c8a 100644
--- a/nuttx/configs/sama5d3-xplained/Kconfig
+++ b/nuttx/configs/sama5d3-xplained/Kconfig
@@ -6,6 +6,21 @@
 if ARCH_BOARD_SAMA5D3_XPLAINED
 
 choice
+	prompt "CPU Frequency"
+	default SAMA5D3XPLAINED_396MHZ
+
+config SAMA5D3XPLAINED_384MHZ
+	bool "384 MHz"
+
+config SAMA5D3XPLAINED_396MHZ
+	bool "396 MHz"
+
+config SAMA5D3XPLAINED_528MHZ
+	bool "528 MHz"
+
+endchoice # CPU Frequency
+
+choice
 	prompt "SAMA5D3-Xplained DRAM Type"
 	default SAMA5D3XPLAINED_MT47H128M16RT
 	depends on SAMA5_DDRCS
diff --git a/nuttx/configs/sama5d3-xplained/include/board.h b/nuttx/configs/sama5d3-xplained/include/board.h
index c98c629ad..29ee7a962 100644
--- a/nuttx/configs/sama5d3-xplained/include/board.h
+++ b/nuttx/configs/sama5d3-xplained/include/board.h
@@ -43,7 +43,7 @@
 #include <nuttx/config.h>
 
 /************************************************************************************
- * Definitions
+ * Pre-processor Definitions
  ************************************************************************************/
 
 /* Clocking *************************************************************************/
@@ -63,24 +63,34 @@
 
 #  include <arch/board/board_sdram.h>
 
-#elif 1 /* #elif !defined(CONFIG_SAMA5_OHCI) || defined(CONFIG_SAMA5_EHCI) */
-/* This is the configuration provided in the Atmel example code.  This setup results
- * in a CPU clock of 396MHz.
- *
- * In this configuration, UPLL is the source of the UHPHS clock (if enabled).
- */
-
-#  include <arch/board/board_396mhz.h>
-
-#else
+#elif defined(CONFIG_SAMA5D3XPLAINED_384MHZ)
 /* OHCI Only.  This is an alternative slower configuration that will produce a 48MHz
  * USB clock with the required accuracy using only PLLA.  When PPLA is used to clock
  * OHCI, an additional requirement is the PLLACK be a multiple of 48MHz.  This setup
  * results in a CPU clock of 384MHz.
+ *
+ * This case is only interesting for experimentation.
  */
 
 #  include <arch/board/board_384mhz.h>
 
+#elif defined(CONFIG_SAMA5D3XPLAINED_528MHZ)
+/* This is the configuration results in a CPU clock of 528MHz.
+ *
+ * In this configuration, UPLL is the source of the UHPHS clock (if enabled).
+ */
+
+#  include <arch/board/board_529mhz.h>
+
+#else /* #elif defined(CONFIG_SAMA5D3XPLAINED_396MHZ) */
+/* This is the configuration provided in the Atmel example code.  This setup results
+ * in a CPU clock of 396MHz.
+ *
+ * In this configuration, UPLL is the source of the UHPHS clock (if enabled).
+ */
+
+#  include <arch/board/board_396mhz.h>
+
 #endif
 
 /* LED definitions ******************************************************************/
diff --git a/nuttx/configs/sama5d3-xplained/include/board_384mhz.h b/nuttx/configs/sama5d3-xplained/include/board_384mhz.h
index 350d661ef..75b416777 100644
--- a/nuttx/configs/sama5d3-xplained/include/board_384mhz.h
+++ b/nuttx/configs/sama5d3-xplained/include/board_384mhz.h
@@ -43,7 +43,7 @@
 #include <nuttx/config.h>
 
 /************************************************************************************
- * Definitions
+ * Pre-processor Definitions
  ************************************************************************************/
 
 /* Clocking *************************************************************************/
@@ -190,19 +190,6 @@
 #define HSMCI_SDXFR_CLKDIV         (2 << HSMCI_MR_CLKDIV_SHIFT)
 #define HSMCI_SDWIDEXFR_CLKDIV     HSMCI_SDXFR_CLKDIV
 
-/* FLASH wait states
- *
- * FWS Max frequency
- *     1.62V 1.8V
- * --- ----- ------
- *  0  24MHz 27MHz
- *  1  40MHz 47MHz
- *  2  72MHz 84MHz
- *  3  84MHz 96MHz
- */
-
-#define BOARD_FWS                  3
-
 /************************************************************************************
  * Public Data
  ************************************************************************************/
diff --git a/nuttx/configs/sama5d3-xplained/include/board_396mhz.h b/nuttx/configs/sama5d3-xplained/include/board_396mhz.h
index 0bac554d7..a16190a0b 100644
--- a/nuttx/configs/sama5d3-xplained/include/board_396mhz.h
+++ b/nuttx/configs/sama5d3-xplained/include/board_396mhz.h
@@ -43,7 +43,7 @@
 #include <nuttx/config.h>
 
 /************************************************************************************
- * Definitions
+ * Pre-processor Definitions
  ************************************************************************************/
 
 /* Clocking *************************************************************************/
@@ -181,19 +181,6 @@
 #define HSMCI_SDXFR_CLKDIV         (2 << HSMCI_MR_CLKDIV_SHIFT)
 #define HSMCI_SDWIDEXFR_CLKDIV     HSMCI_SDXFR_CLKDIV
 
-/* FLASH wait states
- *
- * FWS Max frequency
- *     1.62V 1.8V
- * --- ----- ------
- *  0  24MHz 27MHz
- *  1  40MHz 47MHz
- *  2  72MHz 84MHz
- *  3  84MHz 96MHz
- */
-
-#define BOARD_FWS                  3
-
 /************************************************************************************
  * Public Data
  ************************************************************************************/
diff --git a/nuttx/configs/sama5d3-xplained/include/board_528mhz.h b/nuttx/configs/sama5d3-xplained/include/board_528mhz.h
new file mode 100644
index 000000000..ff1b88ca6
--- /dev/null
+++ b/nuttx/configs/sama5d3-xplained/include/board_528mhz.h
@@ -0,0 +1,207 @@
+/************************************************************************************
+ * configs/sama5d3-xplained/include/board_528mhz.h
+ *
+ *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+#ifndef __CONFIGS_SAMA5D3_XPLAINED_INCLUDE_BOARD_528MHZ_H
+#define __CONFIGS_SAMA5D3_XPLAINED_INCLUDE_BOARD_528MHZ_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/* Clocking *************************************************************************/
+/* After power-on reset, the SAMA5 device is running on a 12MHz internal RC.  These
+ * definitions will configure operational clocking.
+ *
+ * This is the configuration results in a CPU clock of 528MHz:
+ *
+ *   MAINOSC:  Frequency = 12MHz (crystal)
+ *   PLLA: PLL Divider = 1, Multiplier = 43+1 to generate PLLACK = 528MHz
+ *   Master Clock (MCK): Source = PLLACK/1, Prescalar = 1, MDIV = 4 to generate
+ *     MCK      =  132MHz
+ *     CPU clock = 528MHz
+ */
+
+/* Main oscillator register settings.
+ *
+ *   The start up time should be should be:
+ *   Start Up Time = 8 * MOSCXTST / SLCK = 56 Slow Clock Cycles.
+ */
+
+#define BOARD_CKGR_MOR_MOSCXTST    (62 << PMC_CKGR_MOR_MOSCXTST_SHIFT) /* Start-up Time */
+
+/* PLLA configuration.
+ *
+ *   Divider = 1
+ *   Multipler = 43+1
+ */
+
+#define BOARD_CKGR_PLLAR_COUNT     (63 << PMC_CKGR_PLLAR_COUNT_SHIFT)
+#define BOARD_CKGR_PLLAR_OUT       (0)
+#define BOARD_CKGR_PLLAR_MUL       (43 << PMC_CKGR_PLLAR_MUL_SHIFT)
+#define BOARD_CKGR_PLLAR_DIV       PMC_CKGR_PLLAR_DIV_BYPASS
+
+/* PMC master clock register settings.
+ *
+ *  Master/Processor Clock Source Selection = PLLA
+ *  Master/Processor Clock Prescaler        = 1
+ *  PLLA Divider                            = 1
+ *  Master Clock Division (MDIV)            = 4
+ *
+ *  NOTE: Bit PLLADIV2 must always be set to 1 when MDIV is set to 3.
+ *
+ *  Prescaler input                         = 528MHz / 1 = 528MHz
+ *  Prescaler output                        = 528MHz / 1 = 528MHz
+ *  Processor Clock (PCK)                   = 528MHz
+ *  Master clock (MCK)                      = 528MHz / 4 = 132MHz
+ */
+
+#define BOARD_PMC_MCKR_CSS         PMC_MCKR_CSS_PLLA
+#define BOARD_PMC_MCKR_PRES        PMC_MCKR_PRES_DIV1
+#define BOARD_PMC_MCKR_PLLADIV     PMC_MCKR_PLLADIV1
+#define BOARD_PMC_MCKR_MDIV        PMC_MCKR_MDIV_PCKDIV4
+
+/* ADC Configuration
+ *
+ * ADCClock = MCK / ((PRESCAL+1) * 2)
+ *
+ * Given:
+ *   MCK      = 132MHz
+ *   ADCClock = 8MHz
+ * Then:
+ *   PRESCAL  = 7.25
+ *
+ * PRESCAL=7 and MCK=132MHz yields ADC clock of 8.25MHz
+ */
+
+#define BOARD_ADC_PRESCAL          (7)
+#define BOARD_TSD_STARTUP          (40)        /* 40 nanoseconds */
+#define BOARD_TSD_TRACKTIM         (2000)      /* Min 1µs at 8MHz */
+#define BOARD_TSD_DEBOUNCE         (10000000)  /* 10 milliseconds (units nanoseconds) */
+
+/* Resulting frequencies */
+
+#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
+#define BOARD_PLLA_FREQUENCY       (528000000) /* PLLACK:  44 * 12Mhz / 1 */
+#define BOARD_PCK_FREQUENCY        (528000000) /* CPU:     PLLACK / 1 / 1  */
+#define BOARD_MCK_FREQUENCY        (132000000) /* MCK:     PLLACK / 1 / 1 / 4 */
+#define BOARD_ADCCLK_FREQUENCY     (8250000)   /* ADCCLK:  MCK / ((7+1)*2) */
+
+#if defined(CONFIG_SAMA5_EHCI) || defined(CONFIG_SAMA5_OHCI) || \
+    defined(CONFIG_SAMA5_UDPHS)
+
+/* The USB Host High Speed requires a 480 MHz clock (UPLLCK) for the embedded
+ * High-speed transceivers. UPLLCK is the output of the 480 MHz UTMI PLL
+ * (UPLL).  The source clock of the UTMI PLL is the Main OSC output:  Either
+ * the 12MHz internal RC oscillator on a an external 12MHz crystal.  The
+ * Main OSC must be 12MHz because the UPLL has a built-in 40x multiplier.
+ *
+ * For High-speed operations, the user has to perform the following:
+ *
+ *   1) Enable UHP peripheral clock, bit (1 << AT91C_ID_UHPHS) in
+ *      PMC_PCER register.
+ *   2) Write CKGR_PLLCOUNT field in PMC_UCKR register.
+ *   3) Enable UPLL, bit AT91C_CKGR_UPLLEN in PMC_UCKR register.
+ *   4) Wait until UTMI_PLL is locked. LOCKU bit in PMC_SR register
+ *   5) Enable BIAS, bit AT91C_CKGR_BIASEN in PMC_UCKR register.
+ *   6) Select UPLLCK as Input clock of OHCI part, USBS bit in PMC_USB
+ *      register.
+ *   7) Program the OHCI clocks (UHP48M and UHP12M) with USBDIV field in
+ *      PMC_USB register. USBDIV must be 9 (division by 10) if UPLLCK is
+ *      selected.
+ *   8) Enable OHCI clocks, UHP bit in PMC_SCER register.
+ *
+ * Steps 2 through 7 performed here.  1 and 8 are performed in the EHCI
+ * driver is initialized.
+ */
+
+#  define BOARD_USE_UPLL             1     /* Use UPLL for clock source */
+#  define BOARD_CKGR_UCKR_UPLLCOUNT  (15)  /* Maximum value */
+#  define BOARD_CKGR_UCKR_BIASCOUNT  (15)  /* Maximum value */
+#endif
+
+/* HSMCI clocking
+ *
+ * Multimedia Card Interface clock (MCCK or MCI_CK) is Master Clock (MCK)
+ * divided by (2*(CLKDIV) + CLOCKODD + 2).
+ *
+ *   MCI_SPEED = MCK / (2*CLKDIV + CLOCKODD + 2)
+ *
+ * Where CLKDIV has a range of 0-255.
+ */
+
+/* MCK = 132MHz, CLKDIV = 164, MCI_SPEED = 132MHz / (2*164 + 0 + 2) = 400 KHz */
+
+#define HSMCI_INIT_CLKDIV          (164 << HSMCI_MR_CLKDIV_SHIFT)
+
+/* MCK = 132MHz, CLKDIV = 2 w/CLOCKODD, MCI_SPEED = 132MHz /(2*2 + 1 + 2) = 18.9 MHz */
+
+#define HSMCI_MMCXFR_CLKDIV        ((2 << HSMCI_MR_CLKDIV_SHIFT) | HSMCI_MR_CLKODD)
+
+/* MCK = 132MHz, CLKDIV = 2, MCI_SPEED = 132MHz /(2*2 + 0 + 2) = 22 MHz */
+
+#define HSMCI_SDXFR_CLKDIV         (2 << HSMCI_MR_CLKDIV_SHIFT)
+#define HSMCI_SDWIDEXFR_CLKDIV     HSMCI_SDXFR_CLKDIV
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/************************************************************************************
+ * Public Function Prototypes
+ ************************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* !__ASSEMBLY__ */
+#endif  /* __CONFIGS_SAMA5D3_XPLAINED_INCLUDE_BOARD_528MHZ_H */
diff --git a/nuttx/configs/sama5d3x-ek/Kconfig b/nuttx/configs/sama5d3x-ek/Kconfig
index 7539ae2c6..1ef0998aa 100644
--- a/nuttx/configs/sama5d3x-ek/Kconfig
+++ b/nuttx/configs/sama5d3x-ek/Kconfig
@@ -6,6 +6,21 @@
 if ARCH_BOARD_SAMA5D3X_EK
 
 choice
+	prompt "CPU Frequency"
+	default SAMA5D3xEK_396MHZ
+
+config SAMA5D3xEK_384MHZ
+	bool "384 MHz"
+
+config SAMA5D3xEK_396MHZ
+	bool "396 MHz"
+
+config SAMA5D3xEK_528MHZ
+	bool "528 MHz"
+
+endchoice # CPU Frequency
+
+choice
 	prompt "SAMA5D3x-EK DRAM Type"
 	default SAMA5D3xEK_MT47H128M16RT
 	depends on SAMA5_DDRCS
diff --git a/nuttx/configs/sama5d3x-ek/include/board.h b/nuttx/configs/sama5d3x-ek/include/board.h
index ad48e1944..2aad81d95 100644
--- a/nuttx/configs/sama5d3x-ek/include/board.h
+++ b/nuttx/configs/sama5d3x-ek/include/board.h
@@ -1,7 +1,7 @@
 /************************************************************************************
  * configs/sama5d3x-ek/include/board.h
  *
- *   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2013-2014 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@
 #include <nuttx/config.h>
 
 /************************************************************************************
- * Definitions
+ * Pre-processor Definitions
  ************************************************************************************/
 
 /* Clocking *************************************************************************/
@@ -63,24 +63,34 @@
 
 #  include <arch/board/board_sdram.h>
 
-#elif 1 /* #elif !defined(CONFIG_SAMA5_OHCI) || defined(CONFIG_SAMA5_EHCI) */
-/* This is the configuration provided in the Atmel example code.  This setup results
- * in a CPU clock of 396MHz.
- *
- * In this configuration, UPLL is the source of the UHPHS clock (if enabled).
- */
-
-#  include <arch/board/board_396mhz.h>
-
-#else
+#elif defined(CONFIG_SAMA5D3xEK_384MHZ)
 /* OHCI Only.  This is an alternative slower configuration that will produce a 48MHz
  * USB clock with the required accuracy using only PLLA.  When PPLA is used to clock
  * OHCI, an additional requirement is the PLLACK be a multiple of 48MHz.  This setup
  * results in a CPU clock of 384MHz.
+ *
+ * This case is only interesting for experimentation.
  */
 
 #  include <arch/board/board_384mhz.h>
 
+#elif defined(CONFIG_SAMA5D3xEK_528MHZ)
+/* This is the configuration results in a CPU clock of 528MHz.
+ *
+ * In this configuration, UPLL is the source of the UHPHS clock (if enabled).
+ */
+
+#  include <arch/board/board_529mhz.h>
+
+#else /* #elif defined(CONFIG_SAMA5D3xEK_396MHZ) */
+/* This is the configuration provided in the Atmel example code.  This setup results
+ * in a CPU clock of 396MHz.
+ *
+ * In this configuration, UPLL is the source of the UHPHS clock (if enabled).
+ */
+
+#  include <arch/board/board_396mhz.h>
+
 #endif
 
 /* LCD Interface, Geometry and Timing */
diff --git a/nuttx/configs/sama5d3x-ek/include/board_384mhz.h b/nuttx/configs/sama5d3x-ek/include/board_384mhz.h
index 4c899f24c..3dee82044 100644
--- a/nuttx/configs/sama5d3x-ek/include/board_384mhz.h
+++ b/nuttx/configs/sama5d3x-ek/include/board_384mhz.h
@@ -1,7 +1,7 @@
 /************************************************************************************
  * configs/sama5d3x-ek/include/board_384mhz.h
  *
- *   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2013-2014 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@
 #include <nuttx/config.h>
 
 /************************************************************************************
- * Definitions
+ * Pre-processor Definitions
  ************************************************************************************/
 
 /* Clocking *************************************************************************/
@@ -190,19 +190,6 @@
 #define HSMCI_SDXFR_CLKDIV         (2 << HSMCI_MR_CLKDIV_SHIFT)
 #define HSMCI_SDWIDEXFR_CLKDIV     HSMCI_SDXFR_CLKDIV
 
-/* FLASH wait states
- *
- * FWS Max frequency
- *     1.62V 1.8V
- * --- ----- ------
- *  0  24MHz 27MHz
- *  1  40MHz 47MHz
- *  2  72MHz 84MHz
- *  3  84MHz 96MHz
- */
-
-#define BOARD_FWS                  3
-
 /************************************************************************************
  * Public Data
  ************************************************************************************/
diff --git a/nuttx/configs/sama5d3x-ek/include/board_396mhz.h b/nuttx/configs/sama5d3x-ek/include/board_396mhz.h
index 9580e1aab..707ffd878 100644
--- a/nuttx/configs/sama5d3x-ek/include/board_396mhz.h
+++ b/nuttx/configs/sama5d3x-ek/include/board_396mhz.h
@@ -1,7 +1,7 @@
 /************************************************************************************
  * configs/sama5d3x-ek/include/board_396mhz.h
  *
- *   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2013-2014 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -43,7 +43,7 @@
 #include <nuttx/config.h>
 
 /************************************************************************************
- * Definitions
+ * Pre-processor Definitions
  ************************************************************************************/
 
 /* Clocking *************************************************************************/
@@ -181,19 +181,6 @@
 #define HSMCI_SDXFR_CLKDIV         (2 << HSMCI_MR_CLKDIV_SHIFT)
 #define HSMCI_SDWIDEXFR_CLKDIV     HSMCI_SDXFR_CLKDIV
 
-/* FLASH wait states
- *
- * FWS Max frequency
- *     1.62V 1.8V
- * --- ----- ------
- *  0  24MHz 27MHz
- *  1  40MHz 47MHz
- *  2  72MHz 84MHz
- *  3  84MHz 96MHz
- */
-
-#define BOARD_FWS                  3
-
 /************************************************************************************
  * Public Data
  ************************************************************************************/
diff --git a/nuttx/configs/sama5d3x-ek/include/board_528mhz.h b/nuttx/configs/sama5d3x-ek/include/board_528mhz.h
new file mode 100644
index 000000000..4f79ecd4a
--- /dev/null
+++ b/nuttx/configs/sama5d3x-ek/include/board_528mhz.h
@@ -0,0 +1,207 @@
+/************************************************************************************
+ * configs/sama5d3x-ek/include/board_528mhz.h
+ *
+ *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+#ifndef __CONFIGS_SAMA5D3X_EK_INCLUDE_BOARD_528MHZ_H
+#define __CONFIGS_SAMA5D3X_EK_INCLUDE_BOARD_528MHZ_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/* Clocking *************************************************************************/
+/* After power-on reset, the SAMA5 device is running on a 12MHz internal RC.  These
+ * definitions will configure operational clocking.
+ *
+ * This is the configuration results in a CPU clock of 528MHz:
+ *
+ *   MAINOSC:  Frequency = 12MHz (crystal)
+ *   PLLA: PLL Divider = 1, Multiplier = 43+1 to generate PLLACK = 528MHz
+ *   Master Clock (MCK): Source = PLLACK/1, Prescalar = 1, MDIV = 4 to generate
+ *     MCK      =  132MHz
+ *     CPU clock = 528MHz
+ */
+
+/* Main oscillator register settings.
+ *
+ *   The start up time should be should be:
+ *   Start Up Time = 8 * MOSCXTST / SLCK = 56 Slow Clock Cycles.
+ */
+
+#define BOARD_CKGR_MOR_MOSCXTST    (62 << PMC_CKGR_MOR_MOSCXTST_SHIFT) /* Start-up Time */
+
+/* PLLA configuration.
+ *
+ *   Divider = 1
+ *   Multipler = 43+1
+ */
+
+#define BOARD_CKGR_PLLAR_COUNT     (63 << PMC_CKGR_PLLAR_COUNT_SHIFT)
+#define BOARD_CKGR_PLLAR_OUT       (0)
+#define BOARD_CKGR_PLLAR_MUL       (43 << PMC_CKGR_PLLAR_MUL_SHIFT)
+#define BOARD_CKGR_PLLAR_DIV       PMC_CKGR_PLLAR_DIV_BYPASS
+
+/* PMC master clock register settings.
+ *
+ *  Master/Processor Clock Source Selection = PLLA
+ *  Master/Processor Clock Prescaler        = 1
+ *  PLLA Divider                            = 1
+ *  Master Clock Division (MDIV)            = 4
+ *
+ *  NOTE: Bit PLLADIV2 must always be set to 1 when MDIV is set to 3.
+ *
+ *  Prescaler input                         = 528MHz / 1 = 528MHz
+ *  Prescaler output                        = 528MHz / 1 = 528MHz
+ *  Processor Clock (PCK)                   = 528MHz
+ *  Master clock (MCK)                      = 528MHz / 4 = 132MHz
+ */
+
+#define BOARD_PMC_MCKR_CSS         PMC_MCKR_CSS_PLLA
+#define BOARD_PMC_MCKR_PRES        PMC_MCKR_PRES_DIV1
+#define BOARD_PMC_MCKR_PLLADIV     PMC_MCKR_PLLADIV1
+#define BOARD_PMC_MCKR_MDIV        PMC_MCKR_MDIV_PCKDIV4
+
+/* ADC Configuration
+ *
+ * ADCClock = MCK / ((PRESCAL+1) * 2)
+ *
+ * Given:
+ *   MCK      = 132MHz
+ *   ADCClock = 8MHz
+ * Then:
+ *   PRESCAL  = 7.25
+ *
+ * PRESCAL=7 and MCK=132MHz yields ADC clock of 8.25MHz
+ */
+
+#define BOARD_ADC_PRESCAL          (7)
+#define BOARD_TSD_STARTUP          (40)        /* 40 nanoseconds */
+#define BOARD_TSD_TRACKTIM         (2000)      /* Min 1µs at 8MHz */
+#define BOARD_TSD_DEBOUNCE         (10000000)  /* 10 milliseconds (units nanoseconds) */
+
+/* Resulting frequencies */
+
+#define BOARD_MAINOSC_FREQUENCY    (12000000)  /* MAINOSC: 12MHz crystal on-board */
+#define BOARD_PLLA_FREQUENCY       (528000000) /* PLLACK:  44 * 12Mhz / 1 */
+#define BOARD_PCK_FREQUENCY        (528000000) /* CPU:     PLLACK / 1 / 1  */
+#define BOARD_MCK_FREQUENCY        (132000000) /* MCK:     PLLACK / 1 / 1 / 4 */
+#define BOARD_ADCCLK_FREQUENCY     (8250000)   /* ADCCLK:  MCK / ((7+1)*2) */
+
+#if defined(CONFIG_SAMA5_EHCI) || defined(CONFIG_SAMA5_OHCI) || \
+    defined(CONFIG_SAMA5_UDPHS)
+
+/* The USB Host High Speed requires a 480 MHz clock (UPLLCK) for the embedded
+ * High-speed transceivers. UPLLCK is the output of the 480 MHz UTMI PLL
+ * (UPLL).  The source clock of the UTMI PLL is the Main OSC output:  Either
+ * the 12MHz internal RC oscillator on a an external 12MHz crystal.  The
+ * Main OSC must be 12MHz because the UPLL has a built-in 40x multiplier.
+ *
+ * For High-speed operations, the user has to perform the following:
+ *
+ *   1) Enable UHP peripheral clock, bit (1 << AT91C_ID_UHPHS) in
+ *      PMC_PCER register.
+ *   2) Write CKGR_PLLCOUNT field in PMC_UCKR register.
+ *   3) Enable UPLL, bit AT91C_CKGR_UPLLEN in PMC_UCKR register.
+ *   4) Wait until UTMI_PLL is locked. LOCKU bit in PMC_SR register
+ *   5) Enable BIAS, bit AT91C_CKGR_BIASEN in PMC_UCKR register.
+ *   6) Select UPLLCK as Input clock of OHCI part, USBS bit in PMC_USB
+ *      register.
+ *   7) Program the OHCI clocks (UHP48M and UHP12M) with USBDIV field in
+ *      PMC_USB register. USBDIV must be 9 (division by 10) if UPLLCK is
+ *      selected.
+ *   8) Enable OHCI clocks, UHP bit in PMC_SCER register.
+ *
+ * Steps 2 through 7 performed here.  1 and 8 are performed in the EHCI
+ * driver is initialized.
+ */
+
+#  define BOARD_USE_UPLL             1     /* Use UPLL for clock source */
+#  define BOARD_CKGR_UCKR_UPLLCOUNT  (15)  /* Maximum value */
+#  define BOARD_CKGR_UCKR_BIASCOUNT  (15)  /* Maximum value */
+#endif
+
+/* HSMCI clocking
+ *
+ * Multimedia Card Interface clock (MCCK or MCI_CK) is Master Clock (MCK)
+ * divided by (2*(CLKDIV) + CLOCKODD + 2).
+ *
+ *   MCI_SPEED = MCK / (2*CLKDIV + CLOCKODD + 2)
+ *
+ * Where CLKDIV has a range of 0-255.
+ */
+
+/* MCK = 132MHz, CLKDIV = 164, MCI_SPEED = 132MHz / (2*164 + 0 + 2) = 400 KHz */
+
+#define HSMCI_INIT_CLKDIV          (164 << HSMCI_MR_CLKDIV_SHIFT)
+
+/* MCK = 132MHz, CLKDIV = 2 w/CLOCKODD, MCI_SPEED = 132MHz /(2*2 + 1 + 2) = 18.9 MHz */
+
+#define HSMCI_MMCXFR_CLKDIV        ((2 << HSMCI_MR_CLKDIV_SHIFT) | HSMCI_MR_CLKODD)
+
+/* MCK = 132MHz, CLKDIV = 2, MCI_SPEED = 132MHz /(2*2 + 0 + 2) = 22 MHz */
+
+#define HSMCI_SDXFR_CLKDIV         (2 << HSMCI_MR_CLKDIV_SHIFT)
+#define HSMCI_SDWIDEXFR_CLKDIV     HSMCI_SDXFR_CLKDIV
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/************************************************************************************
+ * Public Function Prototypes
+ ************************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* !__ASSEMBLY__ */
+#endif  /* __CONFIGS_SAMA5D3X_EK_INCLUDE_BOARD_528MHZ_H */