SAM4L: Add logic to enable selected peripherals on power up; Extend configuration so that each peripheral can be selected -- even though the drivers are not yet implemented

This commit is contained in:
Gregory Nutt
2013-06-07 14:59:33 -06:00
parent 7207be4f84
commit 11f81d3bfa
7 changed files with 671 additions and 109 deletions
+207 -31
View File
@@ -3,10 +3,10 @@
# see misc/tools/kconfig-language.txt.
#
comment "AT91SAM3/SAM4 Configuration Options"
comment "AT91SAM3/4 Configuration Options"
choice
prompt "AT91SAM3 Chip Selection"
prompt "AT91SAM3/4 Chip Selection"
default ARCH_CHIP_AT91SAM3U4E
depends on ARCH_CHIP_SAM34
@@ -147,47 +147,223 @@ config SAM_PICOCACHE
depends on ARCH_CHIP_SAM4L
default y
config SAM34_DMA
bool "DMA"
default n
select ARCH_DMA
config SAM34_OCD
bool "On-chip DEBUG"
depends on ARCH_CHIP_SAM4L
default y if DEBUG_SYMBOLS
default n if !DEBUG_SYMBOLS
config SAM34_NAND
bool "NAND support"
config SAM34_APBA
bool "APBA bridge"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_HSMCI
bool "HSMCI"
config SAM34_AESA
bool "Advanced Encryption Standard"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_UART
bool "UART"
default y
select ARCH_HAVE_UART
config SAM34_USART0
bool "USART0"
default n
config SAM34_USART1
bool "USART1"
default n
config SAM34_USART2
bool "USART2"
default n
config SAM34_USART3
bool "USART3"
config SAM34_IISC
bool "Inter-IC Sound (I2S) Controller"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_SPI
bool "SPI"
default n
config SAM34_TC0
bool "Timer/Counter 0"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_TC1
bool "Timer/Counter 1"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_TWIM0
bool "Two-wire Master Interface 0"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_TWIS0
bool "Two-wire Slave Interface 0"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_TWIM1
bool "Two-wire Master Interface 1"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_TWIS1
bool "Two-wire Slave Interface 1"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_TWIM2
bool "Two-wire Master Interface 2"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_TWIM3
bool "Two-wire Master Interface 3"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_UART
bool "UART"
default y
depends on ARCH_CHIP_SAM3U
select ARCH_HAVE_UART
config SAM34_PICOUART
bool "PicoUART"
default n
depends on ARCH_CHIP_SAM4L
select ARCH_HAVE_UART
config SAM34_USART0
bool "USART0"
default n
select ARCH_HAVE_USART0
config SAM34_USART1
bool "USART1"
default n
select ARCH_HAVE_USART1
config SAM34_USART2
bool "USART2"
default n
select ARCH_HAVE_USART2
config SAM34_USART3
bool "USART3"
default n
select ARCH_HAVE_USART3
config SAM34_ADCIFE
bool "ADC controller interface"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_DACC
bool "DAC Controller"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_ACIFC
bool "Analog Comparator Interface"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_GLOC
bool "GLOC"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_ABDACB
bool "Audio Bitstream DAC"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_TRNG
bool "True Random Number Generator"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_PARC
bool "Parallel Capture"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_CATB
bool "Capacitive Touch Module B"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_LCDCA
bool " LCD Controller A"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_HRAMC1
bool "HRAMC1 (picoCache RAM)"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_NAND
bool "NAND support"
default n
depends on ARCH_CHIP_SAM3U
config SAM34_HMATRIX
bool "HMATRIX"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_PDCA
bool "Peripheral DMA controller"
default n
depends on ARCH_CHIP_SAM4L
select ARCH_DMA
config SAM34_DMA
bool "DMA"
default n
depends on ARCH_CHIP_SAM3U
select ARCH_DMA
config SAM34_CRCCU
bool "CRC Calculation Unit"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_USBC
bool "USB 2.0 Interface"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_PEVC
bool "Peripheral Event Controller"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_CHIPID
bool "Chip ID"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_FREQM
bool "Frequency Mete"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_AST
bool "Asynchronous Timer"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_WDT
bool "Watchdog Timer"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_EIC
bool "External Interrupt Controller"
default n
depends on ARCH_CHIP_SAM4L
config SAM34_HSMCI
bool "HSMCI"
default n
depends on ARCH_CHIP_SAM3U
endmenu
menu "AT91SAM3 UART Configuration"
menu "AT91SAM3/4 USART Configuration"
config USART0_ISUART
bool "USART0 is a UART"
@@ -215,7 +391,7 @@ config USART3_ISUART
endmenu
menu "AT91SAM3 GPIO Interrupt Configuration"
menu "AT91SAM3/4 GPIO Interrupt Configuration"
config GPIOA_IRQ
bool "GPIOA interrupts"
+1 -1
View File
@@ -145,7 +145,7 @@
/* CPU Mask Register Bit-field Definitions */
#define PM_CPUMASK_OCD (1 << 0) /* Bit 0: OCD */
#define PM_CPUMASK_OCD (1 << 0) /* Bit 0: On-Chip Debug */
/* HSB Mask Register Bit-field Definitions */
+32 -27
View File
@@ -53,6 +53,7 @@
#include "chip/sam4l_bscif.h"
#include "chip/sam4l_flashcalw.h"
#include "sam_periphclks.h"
#include "sam_clockconfig.h"
/****************************************************************************
@@ -80,11 +81,11 @@
* either PLL0 or DFPLL. It might also be needed if OSC0 is the source
* clock for GCLK9.
*
* By selecting CONFIG_SAM_OSC0, you can also force the clock to be enabled
* By selecting CONFIG_SAM34_OSC0, you can also force the clock to be enabled
* at boot time.
*/
#if defined(CONFIG_SAM_OSC0) || defined(BOARD_SYSCLK_SOURCE_OSC0) || \
#if defined(CONFIG_SAM34_OSC0) || defined(BOARD_SYSCLK_SOURCE_OSC0) || \
defined(BOARD_DFLL0_SOURCE_OSC0) || defined(BOARD_PLL0_SOURCE_OSC0) || \
defined(BOARD_GLCK9_SOURCE_OSC0)
# define NEED_OSC0 1
@@ -143,12 +144,12 @@
/* OSC32. The 32K oscillator may be the source clock for DFPLL0 or
* the source clock for GLK9 that might be used to driver PLL0.
*
* By selecting CONFIG_SAM_OSC32K, you can also force the clock to be
* By selecting CONFIG_SAM34_OSC32K, you can also force the clock to be
* enabled at boot time. OSC32 may needed by other devices as well
* (AST, WDT, PICUART, RTC).
*/
#if defined(CONFIG_SAM_OSC32K) || defined(BOARD_DFLL0_SOURCE_OSC32K) || \
#if defined(CONFIG_SAM34_OSC32K) || defined(BOARD_DFLL0_SOURCE_OSC32K) || \
defined(BOARD_GLCK9_SOURCE_OSC32K)
# define NEED_OSC32K 1
#endif
@@ -190,58 +191,58 @@
/* RC80M. This might be the system clock or the source clock for the DFPLL
* or it could be the source for GCLK9 that drives PLL0.
*
* By selecting CONFIG_SAM_RC80M, you can also force the clock to be enabled
* By selecting CONFIG_SAM34_RC80M, you can also force the clock to be enabled
* at boot time.
*/
#if defined(CONFIG_SAM_RC80M) || defined(BOARD_SYSCLK_SOURCE_RC80M) || \
#if defined(CONFIG_SAM34_RC80M) || defined(BOARD_SYSCLK_SOURCE_RC80M) || \
defined(BOARD_DFLL0_SOURCE_RC80M) || BOARD_GLCK9_SOURCE_RC80M
# define NEED_RC80M 1
#endif
/* RCFAST. The 12/8/4 fast RC oscillator may be used as the system clock
* or as the source for GLCK9 that drives PLL0.
* If not then, it may be enabled by setting the CONFIG_SAM_RCFASTxM
* If not then, it may be enabled by setting the CONFIG_SAM34_RCFASTxM
* configuration variable.
*/
#if defined(CONFIG_SAM_RCFAST12M)
# undef CONFIG_SAM_RCFAST8M
# undef CONFIG_SAM_RCFAST4M
#elif defined(CONFIG_SAM_RCFAST8M)
# undef CONFIG_SAM_RCFAST4M
#if defined(CONFIG_SAM34_RCFAST12M)
# undef CONFIG_SAM34_RCFAST8M
# undef CONFIG_SAM34_RCFAST4M
#elif defined(CONFIG_SAM34_RCFAST8M)
# undef CONFIG_SAM34_RCFAST4M
#endif
#if defined(BOARD_SYSCLK_SOURCE_FCFAST12M)
# if defined(CONFIG_SAM_RCFAST8M) || defined(CONFIG_SAM_RCFAST4M)
# error BOARD_SYSCLK_SOURCE_FCFAST12M inconsistent with CONFIG_SAM_RCFAST8/4M
# if defined(CONFIG_SAM34_RCFAST8M) || defined(CONFIG_SAM34_RCFAST4M)
# error BOARD_SYSCLK_SOURCE_FCFAST12M inconsistent with CONFIG_SAM34_RCFAST8/4M
# endif
# define NEED_RCFAST 1
# define SAM_RCFAST_RANGE SCIF_RCFASTCFG_FRANGE_12MHZ
# define SAM_RCFAST_FREQUENCY SAM_RCFAST12M_FREQUENCY
#elif defined(BOARD_SYSCLK_SOURCE_FCFAST8M)
# if defined(CONFIG_SAM_RCFAST12M) || defined(CONFIG_SAM_RCFAST4M)
# error BOARD_SYSCLK_SOURCE_FCFAST8M inconsistent with CONFIG_SAM_RCFAST12/4M
# if defined(CONFIG_SAM34_RCFAST12M) || defined(CONFIG_SAM34_RCFAST4M)
# error BOARD_SYSCLK_SOURCE_FCFAST8M inconsistent with CONFIG_SAM34_RCFAST12/4M
# endif
# define NEED_RCFAST 1
# define SAM_RCFAST_RANGE SCIF_RCFASTCFG_FRANGE_8MHZ
# define SAM_RCFAST_FREQUENCY SAM_RCFAST8M_FREQUENCY
#elif defined(BOARD_SYSCLK_SOURCE_FCFAST4M)
# if defined(CONFIG_SAM_RCFAST12M) || defined(CONFIG_SAM_RCFAST8M)
# error BOARD_SYSCLK_SOURCE_FCFAST4M inconsistent with CONFIG_SAM_RCFAST12/8M
# if defined(CONFIG_SAM34_RCFAST12M) || defined(CONFIG_SAM34_RCFAST8M)
# error BOARD_SYSCLK_SOURCE_FCFAST4M inconsistent with CONFIG_SAM34_RCFAST12/8M
# endif
# define NEED_RCFAST 1
# define SAM_RCFAST_RANGE SCIF_RCFASTCFG_FRANGE_4MHZ
# define SAM_RCFAST_FREQUENCY SAM_RCFAST4M_FREQUENCY
#elif defined(CONFIG_SAM_RCFAST12M)
#elif defined(CONFIG_SAM34_RCFAST12M)
# define NEED_RCFAST 1
# define SAM_RCFAST_RANGE SCIF_RCFASTCFG_FRANGE_12MHZ
# define SAM_RCFAST_FREQUENCY SAM_RCFAST12M_FREQUENCY
#elif defined(CONFIG_SAM_RCFAST8M)
#elif defined(CONFIG_SAM34_RCFAST8M)
# define NEED_RCFAST 1
# define SAM_RCFAST_RANGE SCIF_RCFASTCFG_FRANGE_8MHZ
# define SAM_RCFAST_FREQUENCY SAM_RCFAST8M_FREQUENCY
#elif defined(CONFIG_SAM_RCFAST4M)
#elif defined(CONFIG_SAM34_RCFAST4M)
# define NEED_RCFAST 1
# define SAM_RCFAST_RANGE SCIF_RCFASTCFG_FRANGE_4MHZ
# define SAM_RCFAST_FREQUENCY SAM_RCFAST4M_FREQUENCY
@@ -250,11 +251,11 @@
/* RC1M. The 1M RC oscillator may be used as the system block or
* may be the source clock for GLCK9 that drives PLL0
*
* By selecting CONFIG_SAM_RC1M, you can also force the clock to be
* By selecting CONFIG_SAM34_RC1M, you can also force the clock to be
* enabled at boot time.
*/
#if defined(CONFIG_SAM_RC1M) || defined(BOARD_SYSCLK_SOURCE_RC1M) || \
#if defined(CONFIG_SAM34_RC1M) || defined(BOARD_SYSCLK_SOURCE_RC1M) || \
defined(BOARD_GLCK9_SOURCE_RC1M)
# define NEED_RC1M 1
#endif
@@ -262,11 +263,11 @@
/* RC32K. The 32KHz RC oscillator may be used as the input to DFLL0
* or as the input to GCLK9 that drives PLL0.
*
* By selecting CONFIG_SAM_RC32K, you can also force the clock to be
* By selecting CONFIG_SAM34_RC32K, you can also force the clock to be
* enabled at boot time.
*/
#if defined(CONFIG_SAM_RC32K) || defined(BOARD_DFLL0_SOURCE_RC32K) || \
#if defined(CONFIG_SAM34_RC32K) || defined(BOARD_DFLL0_SOURCE_RC32K) || \
defined(BOARD_GLCK9_SOURCE_RC32K)
# define NEED_RC32K 1
#endif
@@ -448,7 +449,7 @@
*
****************************************************************************/
#ifdef CONFIG_SAM_PICOCACHE
#ifdef CONFIG_SAM34_PICOCACHE
static inline void sam_picocache(void)
{
/* Enable clocking to the PICOCACHE */
@@ -1068,7 +1069,7 @@ void sam_clockconfig(void)
* ------- ---- ----- -------- ---------- ----------
*/
#ifdef CONFIG_SAM_FLASH_HSEN
#ifdef CONFIG_SAM34_FLASH_HSEN
/* The high speed FLASH mode has been enabled. Select power scaling
* mode 2, no fast wakeup.
*/
@@ -1238,6 +1239,10 @@ void sam_clockconfig(void)
sam_setpsm(psm);
/* Enable all selected peripheral cloks */
sam_init_periphclks();
#ifdef CONFIG_USBDEV
void sam_usbclock();
#endif
+313 -4
View File
@@ -52,7 +52,7 @@
#include "sam4l_periphclks.h"
/****************************************************************************
* Private Definitions
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
@@ -75,10 +75,316 @@
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: sam_init_cpumask
*
* Description:
* Called during boot to enable clocking on selected peripherals in the
* CPU mask register.
*
****************************************************************************/
static inline void sam_init_cpumask(void)
{
uint32_t mask = 0;
/* OR in the user selected peripherals */
#ifdef CONFIG_SAM34_OCD
mask |= PM_CPUMASK_OCD; /* On-Chip Debug */
#endif
/* Save the new CPU mask */
putreg32(PM_UNLOCK_KEY(0xaa) | PM_UNLOCK_ADDR(SAM_PM_CPUMASK_OFFSET),
SAM_PM_UNLOCK);
putreg32(mask, SAM_PM_CPUMASK);
}
/****************************************************************************
* Name: sam_init_hsbmask
*
* Description:
* Called during boot to enable clocking on selected peripherals in the
* HSB mask register.
*
****************************************************************************/
static inline void sam_init_hsbmask(void)
{
/* Select the non-optional peripherals */
uint32_t mask = (PM_HSBMASK_FLASHCALW | PM_HSBMASK_APBB |
PM_HSBMASK_APBC | PM_HSBMASK_APBD)
/* OR in the user selected peripherals */
#ifdef CONFIG_SAM34_PDCA
mask |= PM_HSBMASK_PDCA; /* PDCA */
#endif
#ifdef CONFIG_SAM34_HRAMC1
mask |= PM_HSBMASK_HRAMC1; /* HRAMC1 (picoCache RAM) */
#endif
#ifdef CONFIG_SAM34_USBC
mask |= PM_HSBMASK_USBC; /* USBC */
#endif
#ifdef CONFIG_SAM34_CRCCU
mask |= PM_HSBMASK_CRCCU; /* CRCCU */
#endif
#ifdef CONFIG_SAM34_APBA
mask |= PM_HSBMASK_APBA; /* APBA bridge */
#endif
#ifdef CONFIG_SAM34_AESA
mask |= PM_HSBMASK_AESA; /* AESA */
#endif
/* Save the new HSB mask */
putreg32(PM_UNLOCK_KEY(0xaa) | PM_UNLOCK_ADDR(SAM_PM_HSBMASK_OFFSET),
SAM_PM_UNLOCK);
putreg32(mask, SAM_PM_HSBMASK);
}
/****************************************************************************
* Name: sam_init_pbamask
*
* Description:
* Called during boot to enable clocking on selected peripherals in the
* PBA mask register.
*
****************************************************************************/
static inline void sam_init_pbamask(void)
{
/* Select the non-optional peripherals */
uint32_t mask = 0;
uint32_t divmask = 0;
/* OR in the user selected peripherals */
#ifdef CONFIG_SAM34_IISC
mask |= PM_PBAMASK_IISC; /* IISC */
#endif
#ifdef CONFIG_SAM34_SPI
mask |= PM_PBAMASK_SPI; /* SPI */
#endif
#ifdef CONFIG_SAM34_TC0
mask |= PM_PBAMASK_TC0; /* TC0 */
divmask |= PM_PBADIVMASK_TIMER_CLOCKS;
#endif
#ifdef CONFIG_SAM34_TC1
mask |= PM_PBAMASK_TC1; /* TC1 */
divmask |= PM_PBADIVMASK_TIMER_CLOCKS;
#endif
#ifdef CONFIG_SAM34_TWIM0
mask |= PM_PBAMASK_TWIM0; /* TWIM0 */
#endif
#ifdef CONFIG_SAM34_TWIS0
mask |= PM_PBAMASK_TWIS0; /* TWIS0 */
#endif
#ifdef CONFIG_SAM34_TWIM1
mask |= PM_PBAMASK_TWIM1; /* TWIM1 */
#endif
#ifdef CONFIG_SAM34_TWIS1
mask |= PM_PBAMASK_TWIS1; /* TWIS1 */
#endif
#ifdef CONFIG_SAM34_USART0
mask |= PM_PBAMASK_USART0; /* USART0 */
divmask |= PBA_DIVMASK_CLK_USART;
#endif
#ifdef CONFIG_SAM34_USART1
mask |= PM_PBAMASK_USART1; /* USART1 */
divmask |= PBA_DIVMASK_CLK_USART;
#endif
#ifdef CONFIG_SAM34_USART2
mask |= PM_PBAMASK_USART2; /* USART2 */
divmask |= PBA_DIVMASK_CLK_USART;
#endif
#ifdef CONFIG_SAM34_USART3
mask |= PM_PBAMASK_USART3; /* USART3 */
divmask |= PBA_DIVMASK_CLK_USART;
#endif
#ifdef CONFIG_SAM34_ADCIFE
mask |= PM_PBAMASK_ADCIFE; /* ADCIFE */
#endif
#ifdef CONFIG_SAM34_DACC
mask |= PM_PBAMASK_DACC; /* DACC */
#endif
#ifdef CONFIG_SAM34_ACIFC
mask |= PM_PBAMASK_ACIFC; /* ACIFC */
#endif
#ifdef CONFIG_SAM34_GLOC
mask |= PM_PBAMASK_GLOC; /* GLOC */
#endif
#ifdef CONFIG_SAM34_ABDACB
mask |= PM_PBAMASK_ABDACB; /* ABDACB */
#endif
#ifdef CONFIG_SAM34_TRNG
mask |= PM_PBAMASK_TRNG; /* TRNG */
#endif
#ifdef CONFIG_SAM34_PARC
mask |= PM_PBAMASK_PARC; /* PARC */
#endif
#ifdef CONFIG_SAM34_CATB
mask |= PM_PBAMASK_CATB; /* CATB */
#endif
#ifdef CONFIG_SAM34_TWIM2
mask |= PM_PBAMASK_TWIM2; /* TWIM2 */
#endif
#ifdef CONFIG_SAM34_TWIM3
mask |= PM_PBAMASK_TWIM3; /* TWIM3 */
#endif
#ifdef CONFIG_SAM34_LCDCA
mask |= PM_PBAMASK_LCDCA; /* LCDCA*/
#endif
/* Save the new PBA mask */
putreg32(PM_UNLOCK_KEY(0xaa) | PM_UNLOCK_ADDR(SAM_PM_PBAMASK_OFFSET),
SAM_PM_UNLOCK);
putreg32(mask, SAM_PM_PBAMASK);
/* Set the peripheral divider mask as necessary */
putreg32(PM_UNLOCK_KEY(0xaa) | PM_UNLOCK_ADDR(SAM_PM_PBADIVMASK_OFFSET),
SAM_PM_UNLOCK);
putreg32(divmask, SAM_PM_PBADIVMASK);
}
/****************************************************************************
* Name: sam_init_pbbmask
*
* Description:
* Called during boot to enable clocking on selected peripherals in the
* PBB mask register.
*
****************************************************************************/
static inline void sam_init_pbbmask(void)
{
/* Select the non-optional peripherals */
uint32_t mask = PM_PBBMASK_FLASHCALW;
/* OR in the user selected peripherals */
#ifdef CONFIG_SAM34_HRAMC1
mask |= PM_PBBMASK_HRAMC1; /* HRAMC1 */
#endif
#ifdef CONFIG_SAM34_HMATRIX
mask |= PM_PBBMASK_HMATRIX; /* HMATRIX */
#endif
#ifdef CONFIG_SAM34_PDCA
mask |= PM_PBBMASK_PDCA; /* PDCA */
#endif
#ifdef CONFIG_SAM34_CRCCU
mask |= PM_PBBMASK_CRCCU; /* CRCCU */
#endif
#ifdef CONFIG_SAM34_USBC
mask |= PM_PBBMASK_USBC; /* USBC */
#endif
#ifdef CONFIG_SAM34_PEVC
mask |= PM_PBBMASK_PEVC; /* PEVC */
#endif
/* Save the new PBB mask */
putreg32(PM_UNLOCK_KEY(0xaa) | PM_UNLOCK_ADDR(SAM_PM_PBBMASK_OFFSET),
SAM_PM_UNLOCK);
putreg32(mask, SAM_PM_PBBMASK);
}
/****************************************************************************
* Name: sam_init_pbcmask
*
* Description:
* Called during boot to enable clocking on selected peripherals in the
* PBC mask register.
*
****************************************************************************/
static inline void sam_init_pbcmask(void)
{
/* Select the non-optional peripherals */
uint32_t mask = (PM_PBCMASK_PM | PM_PBCMASK_SCIF | PM_PBCMASK_GPIO);
/* OR in the user selected peripherals */
#ifdef CONFIG_SAM34_CHIPID
mask |= PM_PBCMASK_CHIPID; /* CHIPID */
#endif
#ifdef CONFIG_SAM34_FREQM
mask |= PM_PBCMASK_FREQM; /* FREQM */
#endif
/* Save the new PBC mask */
putreg32(PM_UNLOCK_KEY(0xaa) | PM_UNLOCK_ADDR(SAM_PM_PBCMASK_OFFSET),
SAM_PM_UNLOCK);
putreg32(mask, SAM_PM_PBCMASK);
}
/****************************************************************************
* Name: sam_init_pbdmask
*
* Description:
* Called during boot to enable clocking on selected peripherals in the
* PBD mask register.
*
****************************************************************************/
static inline void sam_init_pbdmask(void)
{
/* Select the non-optional peripherals */
uint32_t mask = (PM_PBDMASK_BPM | PM_PBDMASK_BSCIF);
/* OR in the user selected peripherals */
#ifdef CONFIG_SAM34_AST
mask |= PM_PBDMASK_AST; /* AST */
#endif
#ifdef CONFIG_SAM34_WDT
mask |= PM_PBDMASK_WDT; /* WDT */
#endif
#ifdef CONFIG_SAM34_EIC
mask |= PM_PBDMASK_EIC; /* EIC */
#endif
#ifdef CONFIG_SAM34_PICOUART
mask |= PM_PBDMASK_PICOUART; /* PICOUART */
#endif
/* Save the new PBD mask */
putreg32(PM_UNLOCK_KEY(0xaa) | PM_UNLOCK_ADDR(SAM_PM_PBDMASK_OFFSET),
SAM_PM_UNLOCK);
putreg32(mask, SAM_PM_PBDMASK);
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: sam_init_periphclks
*
* Description:
* Called during boot to enable clocking on all selected peripherals.
*
****************************************************************************/
void sam_init_periphclks(void)
{
sam_init_cpumask();
sam_init_hsbmask();
sam_init_pbamask();
sam_init_pbbmask();
sam_init_pbcmask();
sam_init_pbdmask();
}
/****************************************************************************
* Name: sam_modifyperipheral
*
@@ -88,7 +394,8 @@
*
****************************************************************************/
void sam_modifyperipheral(uintptr_t regaddr, uint32_t clrbits, uint32_t setbits)
void sam_modifyperipheral(uintptr_t regaddr, uint32_t clrbits,
uint32_t setbits)
{
irqstate_t flags;
uint32_t regval;
@@ -102,7 +409,8 @@ void sam_modifyperipheral(uintptr_t regaddr, uint32_t clrbits, uint32_t setbits)
regval = getreg32(regaddr);
regval &= ~clrbits;
regval |= setbits;
putreg32(PM_UNLOCK_KEY(0xaa) | PM_UNLOCK_ADDR(regaddr - SAM_PM_BASE), SAM_PM_UNLOCK);
putreg32(PM_UNLOCK_KEY(0xaa) | PM_UNLOCK_ADDR(regaddr - SAM_PM_BASE),
SAM_PM_UNLOCK);
putreg32(regval, regaddr);
irqrestore(flags);
@@ -131,7 +439,8 @@ void sam_pba_modifydivmask(uint32_t clrbits, uint32_t setbits)
regval = getreg32(SAM_PM_PBADIVMASK);
regval &= ~clrbits;
regval |= setbits;
putreg32(PM_UNLOCK_KEY(0xaa) | PM_UNLOCK_ADDR(SAM_PM_PBADIVMASK_OFFSET), SAM_PM_UNLOCK);
putreg32(PM_UNLOCK_KEY(0xaa) | PM_UNLOCK_ADDR(SAM_PM_PBADIVMASK_OFFSET),
SAM_PM_UNLOCK);
putreg32(regval, SAM_PM_PBADIVMASK);
irqrestore(flags);
+33 -36
View File
@@ -42,6 +42,8 @@
#include <nuttx/config.h>
#ifdef CONFIG_ARCH_CHIP_SAM4L
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
@@ -262,83 +264,77 @@ extern "C"
* Public Function Prototypes
************************************************************************************/
/****************************************************************************
/************************************************************************************
* Name: sam_init_periphclks
*
* Description:
* Called during boot to enable clocking on all selected peripherals.
*
************************************************************************************/
void sam_init_periphclks(void);
/************************************************************************************
* Name: sam_modifyperipheral
*
* Description:
* This is a convenience function that is intended to be used to enable
* or disable module clocking.
* This is a convenience function that is intended to be used to enable or disable
* module clocking.
*
****************************************************************************/
************************************************************************************/
#ifdef CONFIG_ARCH_CHIP_SAM4L
void sam_modifyperipheral(uintptr_t regaddr, uint32_t clrbits, uint32_t setbits);
#endif
/****************************************************************************
/************************************************************************************
* Name: sam_pba_modifydivmask
*
* Description:
* This is a convenience function that is intended to be used to modify
* bits in the PBA divided clock (DIVMASK) register.
* This is a convenience function that is intended to be used to modify bits in
* the PBA divided clock (DIVMASK) register.
*
****************************************************************************/
************************************************************************************/
#ifdef CONFIG_ARCH_CHIP_SAM4L
void sam_pba_modifydivmask(uint32_t clrbits, uint32_t setbits);
#endif
/****************************************************************************
/************************************************************************************
* Name: sam_pba_enableperipheral
*
* Description:
* This is a convenience function to enable a peripheral on the APBA
* bridge.
* This is a convenience function to enable a peripheral on the APBA bridge.
*
****************************************************************************/
************************************************************************************/
#ifdef CONFIG_ARCH_CHIP_SAM4L
void sam_pba_enableperipheral(uint32_t bitset);
#endif
/****************************************************************************
/************************************************************************************
* Name: sam_pba_disableperipheral
*
* Description:
* This is a convenience function to disable a peripheral on the APBA
* bridge.
* This is a convenience function to disable a peripheral on the APBA bridge.
*
****************************************************************************/
************************************************************************************/
#ifdef CONFIG_ARCH_CHIP_SAM4L
void sam_pba_disableperipheral(uint32_t bitset);
#endif
/****************************************************************************
/************************************************************************************
* Name: sam_pbb_enableperipheral
*
* Description:
* This is a convenience function to enable a peripheral on the APBB
* bridge.
* This is a convenience function to enable a peripheral on the APBB bridge.
*
****************************************************************************/
************************************************************************************/
#ifdef CONFIG_ARCH_CHIP_SAM4L
void sam_pbb_enableperipheral(uint32_t bitset);
#endif
/****************************************************************************
/************************************************************************************
* Name: sam_pbb_disableperipheral
*
* Description:
* This is a convenience function to disable a peripheral on the APBA
* bridge.
* This is a convenience function to disable a peripheral on the APBA bridge.
*
****************************************************************************/
************************************************************************************/
#ifdef CONFIG_ARCH_CHIP_SAM4L
void sam_pbb_disableperipheral(uint32_t bitset);
#endif
#undef EXTERN
#if defined(__cplusplus)
@@ -346,4 +342,5 @@ void sam_pbb_disableperipheral(uint32_t bitset);
#endif
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_ARCH_CHIP_SAM4L */
#endif /* __ARCH_ARM_SRC_SAM34_SAM4L_PERIPHCLKS_H */
+50 -4
View File
@@ -329,15 +329,61 @@ SAM4L Xplained Pro-specific Configuration Options
Individual subsystems can be enabled:
CONFIG_SAM34_DMA
CONFIG_SAM34_HSMCI
CONFIG_SAM34_NAND
CPU
---
CONFIG_SAM34_OCD
HSB
---
CONFIG_SAM34_APBA
CONFIG_SAM34_AESA
PBA
---
CONFIG_SAM34_IISC
CONFIG_SAM34_SPI
CONFIG_SAM34_UART
CONFIG_SAM34_TC0
CONFIG_SAM34_TC1
CONFIG_SAM34_TWIM0
CONFIG_SAM34_TWIS0
CONFIG_SAM34_TWIM1
CONFIG_SAM34_TWIS1
CONFIG_SAM34_USART0
CONFIG_SAM34_USART1
CONFIG_SAM34_USART2
CONFIG_SAM34_USART3
CONFIG_SAM34_ADCIFE
CONFIG_SAM34_DACC
CONFIG_SAM34_ACIFC
CONFIG_SAM34_GLOC
CONFIG_SAM34_ABDACB
CONFIG_SAM34_TRNG
CONFIG_SAM34_PARC
CONFIG_SAM34_CATB
CONFIG_SAM34_TWIM2
CONFIG_SAM34_TWIM3
CONFIG_SAM34_LCDCA
PBB
---
CONFIG_SAM34_HRAMC1
CONFIG_SAM34_HMATRIX
CONFIG_SAM34_PDCA
CONFIG_SAM34_CRCCU
CONFIG_SAM34_USBC
CONFIG_SAM34_PEVC
PBC
---
CONFIG_SAM34_CHIPID
CONFIG_SAM34_FREQM
PBD
---
CONFIG_SAM34_AST
CONFIG_SAM34_WDT
CONFIG_SAM34_EIC
CONFIG_SAM34_PICOUART
Some subsystems can be configured to operate in different ways. The drivers
need to know how to configure the subsystem.
+35 -6
View File
@@ -127,18 +127,47 @@ CONFIG_ARCH_CHIP_SAM4L=y
# AT91SAM3 Peripheral Support
#
CONFIG_SAM_PICOCACHE=y
# CONFIG_SAM34_DMA is not set
# CONFIG_SAM34_NAND is not set
# CONFIG_SAM34_HSMCI is not set
# CONFIG_SAM34_UART is not set
# CONFIG_SAM34_OCD is not set
# CONFIG_SAM34_APBA is not set
# CONFIG_SAM34_AESA is not set
# CONFIG_SAM34_IISC is not set
# CONFIG_SAM34_SPI is not set
# CONFIG_SAM34_TC0 is not set
# CONFIG_SAM34_TC1 is not set
# CONFIG_SAM34_TWIM0 is not set
# CONFIG_SAM34_TWIS0 is not set
# CONFIG_SAM34_TWIM1 is not set
# CONFIG_SAM34_TWIS1 is not set
# CONFIG_SAM34_TWIM2 is not set
# CONFIG_SAM34_TWIM3 is not set
# CONFIG_SAM34_PICOUART is not set
# CONFIG_SAM34_USART0 is not set
CONFIG_SAM34_USART1=y
# CONFIG_SAM34_USART2 is not set
# CONFIG_SAM34_USART3 is not set
# CONFIG_SAM34_SPI is not set
# CONFIG_SAM34_ADCIFE is not set
# CONFIG_SAM34_DACC is not set
# CONFIG_SAM34_ACIFC is not set
# CONFIG_SAM34_GLOC is not set
# CONFIG_SAM34_ABDACB is not set
# CONFIG_SAM34_TRNG is not set
# CONFIG_SAM34_PARC is not set
# CONFIG_SAM34_CATB is not set
# CONFIG_SAM34_LCDCA is not set
# CONFIG_SAM34_HRAMC1 is not set
# CONFIG_SAM34_HMATRIX is not set
# CONFIG_SAM34_PDCA is not set
# CONFIG_SAM34_CRCCU is not set
# CONFIG_SAM34_USBC is not set
# CONFIG_SAM34_PEVC is not set
# CONFIG_SAM34_CHIPID is not set
# CONFIG_SAM34_FREQM is not set
# CONFIG_SAM34_AST is not set
# CONFIG_SAM34_WDT is not set
# CONFIG_SAM34_EIC is not set
#
# AT91SAM3 UART Configuration
# AT91SAM3/4 USART Configuration
#
CONFIG_USART1_ISUART=y