arch/arm/src/max326xx: Add GCR register definition header file. Some feeble clock configuration progress.

This commit is contained in:
Gregory Nutt
2018-11-18 13:06:24 -06:00
parent 169198ff38
commit 054db14dd2
4 changed files with 394 additions and 4 deletions
+196
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@@ -0,0 +1,196 @@
/************************************************************************************
* arch/arm/src/max326xx/chip/max326_gcr.h
*
* Copyright (C) 2018 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 __ARCH_ARM_SRC_MAX326XX_CHIP_MAX326_GCR_H
#define __ARCH_ARM_SRC_MAX326XX_CHIP_MAX326_GCR_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include "chip/max326_memorymap.h"
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Register Offsets *****************************************************************/
#define MAX326_GCR_SCON_OFFSET 0x0000 /* System Control Register */
#define MAX326_GCR_RST0_OFFSET 0x0004 /* Reset Register 0 */
#define MAX326_GCR_CLKCTRL_OFFSET 0x0008 /* Clock Control Register */
#define MAX326_GCR_PM_OFFSET 0x000c /* Power Management Register */
#define MAX326_GCR_PCLKDIS0_OFFSET 0x0024 /* Peripheral Clocks Disable 0 */
#define MAX326_GCR_MEMCTRL_OFFSET 0x0028 /* Memory Clock Control */
#define MAX326_GCR_MEMZCTRL_OFFSET 0x002c /* Memory Zeroize Register */
#define MAX326_GCR_SYSSTAT_OFFSET 0x0040 /* System Status Flags */
#define MAX326_GCR_RST1_OFFSET 0x0044 /* Reset Register 1 */
#define MAX326_GCR_PCLKDIS1_OFFSET 0x0048 /* Peripheral Clocks Disable 1 */
#define MAX326_GCR_EVTEN_OFFSET 0x004c /* Event Enable Register */
#define MAX326_GCR_REV_OFFSET 0x0050 /* Revision Register */
#define MAX326_GCR_SYSIE_OFFSET 0x0054 /* System Status Interrupt Enable */
/* Register Addresses ***************************************************************/
#define MAX326_GCR_SCON (MAX326_GCR_BASE + MAX326_GCR_SCON_OFFSET)
#define MAX326_GCR_RST0 (MAX326_GCR_BASE + MAX326_GCR_RST0_OFFSET)
#define MAX326_GCR_CLKCTRL (MAX326_GCR_BASE + MAX326_GCR_CLKCTRL_OFFSET)
#define MAX326_GCR_PM (MAX326_GCR_BASE + MAX326_GCR_PM_OFFSET)
#define MAX326_GCR_PCLKDIS0 (MAX326_GCR_BASE + MAX326_GCR_PCLKDIS0_OFFSET)
#define MAX326_GCR_MEMCTRL (MAX326_GCR_BASE + MAX326_GCR_MEMCTRL_OFFSET)
#define MAX326_GCR_MEMZCTRL (MAX326_GCR_BASE + MAX326_GCR_MEMZCTRL_OFFSET)
#define MAX326_GCR_SYSSTAT (MAX326_GCR_BASE + MAX326_GCR_SYSSTAT_OFFSET)
#define MAX326_GCR_RST1 (MAX326_GCR_BASE + MAX326_GCR_RST1_OFFSET)
#define MAX326_GCR_PCLKDIS1 (MAX326_GCR_BASE + MAX326_GCR_PCLKDIS1_OFFSET)
#define MAX326_GCR_EVTEN (MAX326_GCR_BASE + MAX326_GCR_EVTEN_OFFSET)
#define MAX326_GCR_REV (MAX326_GCR_BASE + MAX326_GCR_REV_OFFSET)
#define MAX326_GCR_SYSIE (MAX326_GCR_BASE + MAX326_GCR_SYSIE_OFFSET)
/* Register Bit-field Definitions ***************************************************/
/* System Control Register */
#define GCR_SCON_FLASH_PAGEFLIP (1 >> 4) /* Bit 4: Flash Page Flip Flag */
#define GCR_SCON_FPUDIS (1 >> 5) /* Bit 5: Floating Point Unit (FPU) Disable */
#define GCR_SCON_ICC0FLUSH (1 >> 6) /* Bit 6: Instruction Cache Controller Flush */
#define GCR_SCON_SWDDIS (1 >> 14) /* Bit 14: Serial Wire Debug Disable */
/* Reset Register 0 */
#define GCR_RST0_DMA (1 << 0) /* Bit 0: Standard DMA Reset */
#define GCR_RST0_WDT0 (1 << 1) /* Bit 1: Watchdog Timer 0 Reset */
#define GCR_RST0_GPIO0 (1 << 2) /* Bit 2: GPIO0 Reset */
#define GCR_RST0_TMR1 (1 << 6) /* Bit 6: Timer1 Reset */
#define GCR_RST0_TMR2 (1 << 7) /* Bit 7: Timer2 Reset */
#define GCR_RST0_UART0 (1 << 11) /* Bit 11: UART0 Reset */
#define GCR_RST0_UART1 (1 << 12) /* Bit 12: UART1 Reset */
#define GCR_RST0_SPI0 (1 << 13) /* Bit 13: SPI0 Reset */
#define GCR_RST0_SPI1 (1 << 14) /* Bit 14: SPIMSS (SPI1/I2S) Reset */
#define GCR_RST0_I2C0 (1 << 16) /* Bit 16: I2C0 Reset */
#define GCR_RST0_RTC (1 << 17) /* Bit 17: RTC Reset */
#define GCR_RST0_SOFT (1 << 29) /* Bit 29: Soft Reset */
#define GCR_RST0_PERIPH (1 << 30) /* Bit 30: System Peripheral Reset */
#define GCR_RST0_SYSTEM (1 << 31) /* Bit 31: System Reset */
/* Clock Control Register */
#define GCR_CLKCTRL_PSC_SHIFT (6) /* Bits 6-8: System Oscillator Prescaler */
#define GCR_CLKCTRL_PSC_MASK (7 << GCR_CLKCTRL_PSC_SHIFT)
# define GCR_CLKCTRL_PSC(n) ((uint32_t)(n) << GCR_CLKCTRL_PSC_SHIFT)
#define GCR_CLKCTRL_CLKSEL_SHIFT (9) /* Bits 9-11: System Oscillator Source Select */
#define GCR_CLKCTRL_CLKSEL_MASK (7 << GCR_CLKCTRL_CLKSEL_SHIFT)
# define GCR_CLKCTRL_CLKSEL_HIRC (0 << GCR_CLKCTRL_CLKSEL_SHIFT) /* High-Frequency Internal Oscillator (HFIO) */
# define GCR_CLKCTRL_CLKSEL_LIRC8K (3 << GCR_CLKCTRL_CLKSEL_SHIFT) /* 8kHz Low-Frequency Internal Oscillator */
# define GCR_CLKCTRL_CLKSEL_X32K (6 << GCR_CLKCTRL_CLKSEL_SHIFT) /* 32.768kHz External Oscillator */
#define GCR_CLKCTRL_CLKRDY (1 << 13) /* Bit 13: System Oscillator Clock Source Ready */
#define GCR_CLKCTRL_X32KEN (1 << 17) /* Bit 17: 32.768kHz External Oscillator Enable */
#define GCR_CLKCTRL_HIRCEN (1 << 18) /* Bit 18: High-Frequency Internal Oscillator (HFIO) Enable */
#define GCR_CLKCTRL_X32KRDY (1 << 25) /* Bit 25: 32.768kHz External Oscillator Ready Status */
#define GCR_CLKCTRL_LIRC8KRDY (1 << 29) /* Bit 29: 8kHz Internal Oscillator Ready Status */
/* Power Management Register */
#define GCR_PM_MODE_SHIFT (0) /* Bits 0-2: Operating Mode */
#define GCR_PM_MODE_MASK (7 << GCR_PM_MODE_SHIFT)
# define GCR_PM_MODE_ACTIVE (0 << GCR_PM_MODE_SHIFT) /* Active mode */
# define GCR_PM_MODE_BACKUP (4 << GCR_PM_MODE_SHIFT) /* Backup Low Power Mode */
# define GCR_PM_MODE_SHUTDOWN (6 << GCR_PM_MODE_SHIFT) /* Shutdown Mode */
#define GCR_PM_GPIOWKEN (1 << 4) /* Bit 4: GPIO Wakeup Enable */
#define GCR_PM_RTCWKEN (1 << 5) /* Bit 5: RTC Alarm Wakeup Enable */
#define GCR_PM_HFIOPD (1 << 15) /* Bit 15: HFIO DEEPSLEEP Auto Off */
/* Peripheral Clocks Disable 0 */
#define GCR_PCLKDIS0_GPIO0D (1 << 0) /* Bit 0: GPIO0 Port and Pad Logic Clock Disable */
#define GCR_PCLKDIS0_DMAD (1 << 5) /* Bit 5: Standard DMA Clock Disable */
#define GCR_PCLKDIS0_SPI0D (1 << 6) /* Bit 6: SPI0 Clock Disable */
#define GCR_PCLKDIS0_SPI1D (1 << 7) /* Bit 7: SPI1 Clock Disable */
#define GCR_PCLKDIS0_UART0D (1 << 9) /* Bit 9: UART0 Clock Disable */
#define GCR_PCLKDIS0_UART1D (1 << 10) /* Bit 10: UART1 Clock Disable */
#define GCR_PCLKDIS0_I2C0D (1 << 13) /* Bit 14: I2C0 Clock Disable */
#define GCR_PCLKDIS0_TMR0D (1 << 15) /* Bit 15: Timer0 Clock Disable */
#define GCR_PCLKDIS0_TMR1D (1 << 16) /* Bit 16: Timer1 Clock Disable */
#define GCR_PCLKDIS0_TMR2D (1 << 17) /* Bit 17: Timer2 Clock Disable */
#define GCR_PCLKDIS0_I2C1D (1 << 28) /* Bit 28: I2C1 Clock Disable */
/* Memory Clock Control */
#define GCR_MEMCTRL_FWS_SHIFT (0) /* Bits 0-2: Flash Wait States */
#define GCR_MEMCTRL_RAM0LS (1 << 8) /* Bit 8: System RAM 0 Light Sleep Enable */
#define GCR_MEMCTRL_RAM1LS (1 << 9) /* Bit 9: System RAM 1 Light Sleep Enable */
#define GCR_MEMCTRL_RAM2LS (1 << 10) /* Bit 10: System RAM 2 Light Sleep Enable */
#define GCR_MEMCTRL_RAM3LS (1 << 11) /* Bit 11: System RAM 3 Light Sleep Enable */
#define GCR_MEMCTRL_ICACHERET (1 << 12) /* Bit 12: ICC0 Cache RAM Light Sleep Enable */
/* Memory Zeroize Register */
#define GCR_MEMZCTRL_SRAM_ZERO (1 << 0) /* Bit 0: System Data RAM Zeroization */
#define GCR_MEMZCTRL_ICACHE_ZERO (1 << 1) /* Bit 1: Internal Cache Data and Tag RAM Zeroization */
/* System Status Flags */
#define GCR_SYSSTAT_ICELOCK (1 << 0) /* Bit 0: Arm Cortex-M4 with FPU ICE Lock Status Flag */
/* Reset Register 1 */
#define GCR_RST1_I2C1 (1 << 0) /* Bit 0: I2C1 Reset */
/* Peripheral Clocks Disable 1 */
#define GCR_PCLKDIS1_FLCD (1 << 3) /* Bit 3: Flash Controller Disable */
#define GCR_PCLKDIS1_ICCD (1 << 11) /* Bit 11: ICC Clock Disable */
/* Event Enable Register */
#define GCR_EVTEN_DMAEVENT (1 << 0) /* Bit 0: DMA CTZ Event Wake-Up Enable */
#define GCR_EVTEN_RXEVT (1 << 1) /* Bit 1: RX Event Enabled */
/* Revision Register */
#define GCR_REV_MASK (0xffff) /* Bits 0-15: Maxim Integrated Chip Revision */
/* System Status Interrupt Enable */
#define GCR_SYSIE_ICEULIE (1 << 0) /* Bit 0: Arm ICE Unlocked Interrupt Enable */
#endif /* __ARCH_ARM_SRC_MAX326XX_CHIP_MAX326_GCR_H */
@@ -0,0 +1,85 @@
/****************************************************************************
* arch/arm/src/max326xx/max32620_30/max32620_30_clockconfig.h
*
* Copyright (C) 2018 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 __ARCH_ARM_SRC_MAX326XX_MAX_32620_30_MAX32620_30_CLOCKCONFIG_H
#define __ARCH_ARM_SRC_MAX326XX_MAX_32620_30_MAX32620_30_CLOCKCONFIG_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Public Types
****************************************************************************/
/* Clock sources */
enum clock_source_e
{
CLKSRC_HFIO = 0, /* Internal 96MHz Relaxation Oscillator */
CLKSRC_4KHZ, /* Internal 4MHz RC Oscillator */
CLKSRC_44KHZ, /* Internal 44MHz Relaxation Oscillator (Crypto Oscillator) */
CLKSRC_32KHZ /* RTC 32768Hz Crystal Oscillator */
};
/* This structure can be used to define a clock configuration. */
struct clock_setup_s
{
uint8_t clksrc; /* See enum clock_source_e */
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_ARM_SRC_MAX326XX_MAX_32620_30_MAX32620_30_CLOCKCONFIG_H */
@@ -0,0 +1,94 @@
/****************************************************************************
* arch/arm/src/max326xx/max32660/max32660_clockconfig.h
*
* Copyright (C) 2018 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 __ARCH_ARM_SRC_MAX326XX_MAX_32660_MAX32660_CLOCKCONFIG_H
#define __ARCH_ARM_SRC_MAX326XX_MAX_32660_MAX32660_CLOCKCONFIG_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Public Types
****************************************************************************/
/* Clock sources. Values match the CLKSEL field of the GCR_CLK_CTRL
* register
*/
enum clock_source_e
{
CLKSRC_HFIO = 0, /* High frequency internal oscillator */
CLKSRC_8KHZ = 3, /* 8kHz Internal Ultra-Low Power Nano-Ring Oscillator */
CLKSRC_32KHZ = 6 /* 32.768kHz External Crystal Oscillator */
};
/* This structure can be used to define a clock configuration.
*
* Fhfio Determined by Output Voltage Range.
* Fsysoc Determined by source clock selection.
* Fsysclk = Fsysclk / (2^psc)
* Fpclk = Fsysclk / 2
*/
struct clock_setup_s
{
uint8_t ovr; /* Output voltage range for internal regulator */
uint8_t clksrc; /* See enum clock_source_e. Determines Fsysosc */
uint8_t psc; /* System Oscillator Prescaler. Derives Fsysclk */
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_ARM_SRC_MAX326XX_MAX_32660_MAX32660_CLOCKCONFIG_H */
+19 -4
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@@ -46,11 +46,16 @@
* Public Types
****************************************************************************/
/* This structure can be used to define a clock configuration. */
/* Include the MCU-specific structure can be used to define a clock
* configuration. */
struct clock_setup_s
{
};
#if defined(CONFIG_ARCH_FAMILY_MAX32620) || defined(CONFIG_ARCH_FAMILY_MAX32630)
# include "max32620_30/max32620_30_clockconfig.h"
#if defined(CONFIG_ARCH_FAMILY_MAX32660)
# include "max32660/max32660_clockconfig.h"
#else
# error "Unsupported MAX326XX family"
#endif
/****************************************************************************
* Inline Functions
@@ -88,6 +93,16 @@ extern "C"
void max326_clockconfig(FAR const struct clock_setup_s *clocksetup);
/****************************************************************************
* Name: max326_hfio_frequency
*
* Description:
* Return the High-Frequency Internal Oscillator (HFIO) frequency.
*
*****************************************************************************/
uint32_t max326_hfio_frequency(void);
/****************************************************************************
* Name: max326_cpu_frequency
*