AT91SAM3 now supports kernel-mode heap; SAM3U-EK knsh configuration converted to use kconfig-frontends tool
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5726 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
parent
3dc5b1fa9f
commit
34e3bb60ce
@ -104,11 +104,11 @@ config ARCH_CHIP_NUC1XX
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NPX LPC43XX architectures (ARM Cortex-M4).
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config ARCH_CHIP_SAM3U
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bool "Atmel AT91SAM3U"
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bool "Atmel AT91SAM3"
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select ARCH_CORTEXM3
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select ARCH_HAVE_MPU
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---help---
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Atmel AT91SAM3U architectures (ARM Cortex-M3)
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Atmel AT91SAM3 architectures (ARM Cortex-M3)
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config ARCH_CHIP_STM32
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bool "STMicro STM32"
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@ -3,4 +3,95 @@
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# see misc/tools/kconfig-language.txt.
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#
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comment "AT91SAM3U Configuration Options"
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comment "AT91SAM3 Configuration Options"
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choice
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prompt "AT91SAM3 Chip Selection"
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default ARCH_CHIP_AT91SAM3U4E
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depends on ARCH_CHIP_SAM3U
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config ARCH_CHIP_AT91SAM3U4E
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bool "AT91SAM3U4E"
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endchoice
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menu "AT91SAM3 Peripheral Support"
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config SAM3U_DMA
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bool "DMA"
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default n
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config SAM3U_NAND
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bool "NAND support"
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default n
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config SAM3U_HSMCI
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bool "HSMCI"
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default n
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config SAM3U_UART
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bool "UART"
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default y
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select ARCH_HAVE_UART
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config SAM3U_USART0
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bool "USART0"
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default n
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config SAM3U_USART1
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bool "USART1"
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default n
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config SAM3U_USART2
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bool "USART2"
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default n
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config SAM3U_USART3
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bool "USART3"
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default n
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endmenu
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menu "AT91SAM3 UART Configuration"
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config USART0_ISUART
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bool "USART0 is a UART"
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default y
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depends on SAM3U_USART0
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select ARCH_HAVE_USART0
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config USART1_ISUART
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bool "USART1 is a UART"
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default y
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depends on SAM3U_USART1
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select ARCH_HAVE_USART1
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config USART2_ISUART
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bool "USART2 is a UART"
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default n
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depends on SAM3U_USART2
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select ARCH_HAVE_USART2
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config USART3_ISUART
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bool "USART3 is a UART"
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default y
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depends on SAM3U_USART3
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select ARCH_HAVE_USART2
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endmenu
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menu "AT91SAM3 GPIO Interrupt Configuration"
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config GPIOA_IRQ
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bool "GPIOA interrupts"
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default n
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config GPIOB_IRQ
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bool "GPIOB interrupts"
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default n
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config GPIOC_IRQ
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bool "GPIOC interrupts"
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default n
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endmenu
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@ -78,6 +78,68 @@
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# warning "CONFIG_DRAM_END is before end of SRAM0... not all of SRAM0 used"
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#endif
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#ifdef CONFIG_MM_KERNEL_HEAPSIZE
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# if CONFIG_MM_KERNEL_HEAPSIZE < (1 << 5) /* Kernel heap size < 2**5 */
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# define KHEAP_SIZE (1 << 4) /* Use size 2**4 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 6) /* Kernel heap size < 2**6 */
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# define KHEAP_SIZE (1 << 5) /* Use size 2**5 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 7) /* Kernel heap size < 2**7 */
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# define KHEAP_SIZE (1 << 6) /* Use size 2**6 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 8) /* Kernel heap size < 2**8 */
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# define KHEAP_SIZE (1 << 7) /* Use size 2**7 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 9) /* Kernel heap size < 2**9 */
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# define KHEAP_SIZE (1 << 8) /* Use size 2**8 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 10) /* Kernel heap size < 2**10 */
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# define KHEAP_SIZE (1 << 9) /* Use size 2**9 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 11) /* Kernel heap size < 2**11 */
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# define KHEAP_SIZE (1 << 10) /* Use size 2**10 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 12) /* Kernel heap size < 2**12 */
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# define KHEAP_SIZE (1 << 11) /* Use size 2**11 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 13) /* Kernel heap size < 2**13 */
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# define KHEAP_SIZE (1 << 12) /* Use size 2**12 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 14) /* Kernel heap size < 2**14 */
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# define KHEAP_SIZE (1 << 13) /* Use size 2**13 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 15) /* Kernel heap size < 2**15 */
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# define KHEAP_SIZE (1 << 14) /* Use size 2**14 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 16) /* Kernel heap size < 2**16 */
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# define KHEAP_SIZE (1 << 15) /* Use size 2**15 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 17) /* Kernel heap size < 2**17 */
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# define KHEAP_SIZE (1 << 16) /* Use size 2**16 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 18) /* Kernel heap size < 2**18 */
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# define KHEAP_SIZE (1 << 17) /* Use size 2**17 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 19) /* Kernel heap size < 2**19 */
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# define KHEAP_SIZE (1 << 18) /* Use size 2**18 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 20) /* Kernel heap size < 2**20 */
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# define KHEAP_SIZE (1 << 19) /* Use size 2**19 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 21) /* Kernel heap size < 2**21 */
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# define KHEAP_SIZE (1 << 20) /* Use size 2**20 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 22) /* Kernel heap size < 2**22 */
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# define KHEAP_SIZE (1 << 21) /* Use size 2**21 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 23) /* Kernel heap size < 2**23 */
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# define KHEAP_SIZE (1 << 22) /* Use size 2**22 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 24) /* Kernel heap size < 2**24 */
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# define KHEAP_SIZE (1 << 23) /* Use size 2**23 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 25) /* Kernel heap size < 2**25 */
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# define KHEAP_SIZE (1 << 24) /* Use size 2**24 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 26) /* Kernel heap size < 2**26 */
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# define KHEAP_SIZE (1 << 25) /* Use size 2**25 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 27) /* Kernel heap size < 2**27 */
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# define KHEAP_SIZE (1 << 26) /* Use size 2**26 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 28) /* Kernel heap size < 2**28 */
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# define KHEAP_SIZE (1 << 27) /* Use size 2**27 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 29) /* Kernel heap size < 2**29 */
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# define KHEAP_SIZE (1 << 28) /* Use size 2**28 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 30) /* Kernel heap size < 2**30 */
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# define KHEAP_SIZE (1 << 29) /* Use size 2**29 */
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# elif CONFIG_MM_KERNEL_HEAPSIZE < (1 << 31) /* Kernel heap size < 2**31 */
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# define KHEAP_SIZE (1 << 30) /* Use size 2**30 */
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# else
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# define KHEAP_SIZE (1 << 31) /* Use size 2**31 */
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# endif
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# define KHEAP_MASK (KHEAP_SIZE - 1)
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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@ -107,6 +169,24 @@
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void up_allocate_heap(FAR void **heap_start, size_t *heap_size)
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{
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#if defined(CONFIG_NUTTX_KERNEL) && defined(CONFIG_MM_KERNEL_HEAP)
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uintptr_t kbase = ((uintptr_t)g_heapbase + KHEAP_MASK) & ~KHEAP_MASK;
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uintptr_t ubase = kbase + KHEAP_SIZE;
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size_t usize = CONFIG_DRAM_END - ubase;
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DEBUGASSERT(ubase < (uintptr_t)CONFIG_DRAM_END);
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/* Return the heap settings */
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up_ledon(LED_HEAPALLOCATE);
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*heap_start = (FAR void*)ubase;
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*heap_size = usize;
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/* Allow access to the heap memory */
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sam3u_mpu_uheap((uintptr_t)ubase, usize);
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#else
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size_t size = CONFIG_DRAM_END - g_heapbase;
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/* Return the heap settings */
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@ -115,11 +195,41 @@ void up_allocate_heap(FAR void **heap_start, size_t *heap_size)
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*heap_start = (FAR void*)g_heapbase;
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*heap_size = size;
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/* Allow access to the heap memory */
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/* Allow user access to the user heap memory */
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sam3u_mpuheap((uintptr_t)g_heapbase, size);
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sam3u_mpu_uheap((uintptr_t)g_heapbase, size);
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#endif
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}
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/****************************************************************************
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* Name: up_allocate_kheap
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*
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* Description:
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* For the kernel build (CONFIG_NUTTX_KERNEL=y) with both kernel- and
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* user-space heaps (CONFIG_MM_KERNEL_HEAP=y), this function allocates
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* (and protects) the kernel-space heap.
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*
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****************************************************************************/
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#if defined(CONFIG_NUTTX_KERNEL) && defined(CONFIG_MM_KERNEL_HEAP)
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void up_allocate_kheap(FAR void **heap_start, size_t *heap_size)
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{
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uintptr_t kbase = ((uintptr_t)g_heapbase + KHEAP_MASK) & ~KHEAP_MASK;
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DEBUGASSERT((kbase + KHEAP_SIZE) < (uintptr_t)CONFIG_DRAM_END);
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/* Return the heap settings */
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*heap_start = (FAR void*)kbase;
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*heap_size = KHEAP_SIZE;
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/* Prohibit user access to the kernel heap memory */
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sam3u_mpu_kheap((uintptr_t)kbase, KHEAP_SIZE);
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}
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#endif
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/************************************************************************
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* Name: up_addregion
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*
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@ -136,18 +246,18 @@ void up_addregion(void)
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kmm_addregion((FAR void*)SAM3U_INTSRAM1_BASE, CONFIG_SAM3U_SRAM1_SIZE);
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/* Allow access to the heap memory */
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/* Allow user access to the heap memory */
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sam3u_mpuheap(SAM3U_INTSRAM1_BASE, CONFIG_SAM3U_SRAM1_SIZE);
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sam3u_mpu_uheap(SAM3U_INTSRAM1_BASE, CONFIG_SAM3U_SRAM1_SIZE);
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/* Add the region */
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#if CONFIG_MM_REGIONS > 2
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kmm_addregion((FAR void*)SAM3U_NFCSRAM_BASE, CONFIG_SAM3U_NFCSRAM_SIZE);
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/* Allow access to the heap memory */
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/* Allow user access to the heap memory */
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sam3u_mpuheap(SAM3U_NFCSRAM_BASE, CONFIG_SAM3U_NFCSRAM_SIZE);
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sam3u_mpu_uheap(SAM3U_NFCSRAM_BASE, CONFIG_SAM3U_NFCSRAM_SIZE);
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#endif
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}
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#endif
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@ -1,7 +1,7 @@
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/************************************************************************************
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* arch/arm/src/sam3u/sam3u_internal.h
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*
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* Copyright (C) 2009-2011 Gregory Nutt. All rights reserved.
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* Copyright (C) 2009-2011, 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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@ -409,7 +409,8 @@ struct sam3u_dmaregs_s
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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@ -431,7 +432,7 @@ extern "C" {
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*
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************************************************************************************/
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EXTERN void sam3u_clockconfig(void);
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void sam3u_clockconfig(void);
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/************************************************************************************
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* Name: sam3u_lowsetup
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@ -443,7 +444,7 @@ EXTERN void sam3u_clockconfig(void);
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*
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************************************************************************************/
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EXTERN void sam3u_lowsetup(void);
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void sam3u_lowsetup(void);
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/****************************************************************************
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* Name: sam3u_userspace
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@ -457,7 +458,7 @@ EXTERN void sam3u_lowsetup(void);
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****************************************************************************/
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#ifdef CONFIG_NUTTX_KERNEL
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EXTERN void sam3u_userspace(void);
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void sam3u_userspace(void);
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#endif
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/****************************************************************************
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@ -470,23 +471,29 @@ EXTERN void sam3u_userspace(void);
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****************************************************************************/
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#ifdef CONFIG_NUTTX_KERNEL
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EXTERN void sam3u_mpuinitialize(void);
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void sam3u_mpuinitialize(void);
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#else
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# define sam3u_mpuinitialize()
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#endif
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/****************************************************************************
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* Name: sam3u_mpuheap
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* Name: sam3u_mpu_uheap and sam3u_mpu_uheap
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*
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* Description:
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* Map a heap region.
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* Map a user- or kernel-heap region.
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*
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****************************************************************************/
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#ifdef CONFIG_NUTTX_KERNEL
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EXTERN void sam3u_mpuheap(uintptr_t start, size_t size);
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void sam3u_mpu_uheap(uintptr_t start, size_t size);
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#else
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# define sam3u_mpuheap(start,size)
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# define sam3u_mpu_uheap(start,size)
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#endif
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#if defined(CONFIG_NUTTX_KERNEL) && defined(CONFIG_MM_KERNEL_HEAP)
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void sam3u_mpu_kheap(uintptr_t start, size_t size);
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#else
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# define sam3u_mpu_kheap(start,size)
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#endif
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/************************************************************************************
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@ -498,7 +505,7 @@ EXTERN void sam3u_mpuheap(uintptr_t start, size_t size);
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************************************************************************************/
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#ifdef CONFIG_GPIO_IRQ
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EXTERN void sam3u_gpioirqinitialize(void);
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void sam3u_gpioirqinitialize(void);
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#else
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# define sam3u_gpioirqinitialize()
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#endif
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@ -511,7 +518,7 @@ EXTERN void sam3u_gpioirqinitialize(void);
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*
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************************************************************************************/
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EXTERN int sam3u_configgpio(uint16_t cfgset);
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int sam3u_configgpio(uint16_t cfgset);
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/************************************************************************************
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* Name: sam3u_gpiowrite
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@ -521,7 +528,7 @@ EXTERN int sam3u_configgpio(uint16_t cfgset);
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*
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************************************************************************************/
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EXTERN void sam3u_gpiowrite(uint16_t pinset, bool value);
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void sam3u_gpiowrite(uint16_t pinset, bool value);
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/************************************************************************************
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* Name: sam3u_gpioread
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@ -531,7 +538,7 @@ EXTERN void sam3u_gpiowrite(uint16_t pinset, bool value);
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*
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************************************************************************************/
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EXTERN bool sam3u_gpioread(uint16_t pinset);
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bool sam3u_gpioread(uint16_t pinset);
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/************************************************************************************
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* Name: sam3u_gpioirq
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@ -542,7 +549,7 @@ EXTERN bool sam3u_gpioread(uint16_t pinset);
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************************************************************************************/
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#ifdef CONFIG_GPIO_IRQ
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EXTERN void sam3u_gpioirq(uint16_t pinset);
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void sam3u_gpioirq(uint16_t pinset);
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#else
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# define sam3u_gpioirq(pinset)
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#endif
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@ -556,7 +563,7 @@ EXTERN void sam3u_gpioirq(uint16_t pinset);
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************************************************************************************/
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#ifdef CONFIG_GPIO_IRQ
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EXTERN void sam3u_gpioirqenable(int irq);
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void sam3u_gpioirqenable(int irq);
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#else
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# define sam3u_gpioirqenable(irq)
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#endif
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@ -570,7 +577,7 @@ EXTERN void sam3u_gpioirqenable(int irq);
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************************************************************************************/
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#ifdef CONFIG_GPIO_IRQ
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EXTERN void sam3u_gpioirqdisable(int irq);
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void sam3u_gpioirqdisable(int irq);
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#else
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# define sam3u_gpioirqdisable(irq)
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#endif
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@ -584,7 +591,7 @@ EXTERN void sam3u_gpioirqdisable(int irq);
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************************************************************************************/
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#ifdef CONFIG_DEBUG_GPIO
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EXTERN int sam3u_dumpgpio(uint32_t pinset, const char *msg);
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int sam3u_dumpgpio(uint32_t pinset, const char *msg);
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#else
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# define sam3u_dumpgpio(p,m)
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#endif
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@ -609,7 +616,7 @@ EXTERN int sam3u_dumpgpio(uint32_t pinset, const char *msg);
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*
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****************************************************************************/
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EXTERN DMA_HANDLE sam3u_dmachannel(uint32_t dmach_flags);
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DMA_HANDLE sam3u_dmachannel(uint32_t dmach_flags);
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/****************************************************************************
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* Name: sam3u_dmafree
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@ -624,7 +631,7 @@ EXTERN DMA_HANDLE sam3u_dmachannel(uint32_t dmach_flags);
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*
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****************************************************************************/
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EXTERN void sam3u_dmafree(DMA_HANDLE handle);
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void sam3u_dmafree(DMA_HANDLE handle);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam3u_dmatxsetup
|
||||
@ -637,8 +644,8 @@ EXTERN void sam3u_dmafree(DMA_HANDLE handle);
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
EXTERN int sam3u_dmatxsetup(DMA_HANDLE handle, uint32_t paddr, uint32_t maddr,
|
||||
size_t nbytes);
|
||||
int sam3u_dmatxsetup(DMA_HANDLE handle, uint32_t paddr, uint32_t maddr,
|
||||
size_t nbytes);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam3u_dmarxsetup
|
||||
@ -651,8 +658,8 @@ EXTERN int sam3u_dmatxsetup(DMA_HANDLE handle, uint32_t paddr, uint32_t maddr,
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
EXTERN int sam3u_dmarxsetup(DMA_HANDLE handle, uint32_t paddr, uint32_t maddr,
|
||||
size_t nbytes);
|
||||
int sam3u_dmarxsetup(DMA_HANDLE handle, uint32_t paddr, uint32_t maddr,
|
||||
size_t nbytes);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam3u_dmastart
|
||||
@ -662,7 +669,7 @@ EXTERN int sam3u_dmarxsetup(DMA_HANDLE handle, uint32_t paddr, uint32_t maddr,
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
EXTERN int sam3u_dmastart(DMA_HANDLE handle, dma_callback_t callback, void *arg);
|
||||
int sam3u_dmastart(DMA_HANDLE handle, dma_callback_t callback, void *arg);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam3u_dmastop
|
||||
@ -674,7 +681,7 @@ EXTERN int sam3u_dmastart(DMA_HANDLE handle, dma_callback_t callback, void *arg)
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
EXTERN void sam3u_dmastop(DMA_HANDLE handle);
|
||||
void sam3u_dmastop(DMA_HANDLE handle);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam3u_dmasample
|
||||
@ -685,7 +692,7 @@ EXTERN void sam3u_dmastop(DMA_HANDLE handle);
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_DEBUG_DMA
|
||||
EXTERN void sam3u_dmasample(DMA_HANDLE handle, struct sam3u_dmaregs_s *regs);
|
||||
void sam3u_dmasample(DMA_HANDLE handle, struct sam3u_dmaregs_s *regs);
|
||||
#else
|
||||
# define sam3u_dmasample(handle,regs)
|
||||
#endif
|
||||
@ -699,8 +706,8 @@ EXTERN void sam3u_dmasample(DMA_HANDLE handle, struct sam3u_dmaregs_s *regs);
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_DEBUG_DMA
|
||||
EXTERN void sam3u_dmadump(DMA_HANDLE handle, const struct sam3u_dmaregs_s *regs,
|
||||
const char *msg);
|
||||
void sam3u_dmadump(DMA_HANDLE handle, const struct sam3u_dmaregs_s *regs,
|
||||
const char *msg);
|
||||
#else
|
||||
# define sam3u_dmadump(handle,regs,msg)
|
||||
#endif
|
||||
@ -720,7 +727,7 @@ EXTERN void sam3u_dmadump(DMA_HANDLE handle, const struct sam3u_dmaregs_s *regs,
|
||||
****************************************************************************/
|
||||
|
||||
struct sdio_dev_s; /* See include/nuttx/sdio.h */
|
||||
EXTERN FAR struct sdio_dev_s *sdio_initialize(int slotno);
|
||||
FAR struct sdio_dev_s *sdio_initialize(int slotno);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sdio_mediachange
|
||||
@ -741,7 +748,7 @@ EXTERN FAR struct sdio_dev_s *sdio_initialize(int slotno);
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
EXTERN void sdio_mediachange(FAR struct sdio_dev_s *dev, bool cardinslot);
|
||||
void sdio_mediachange(FAR struct sdio_dev_s *dev, bool cardinslot);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sdio_wrprotect
|
||||
@ -759,7 +766,7 @@ EXTERN void sdio_mediachange(FAR struct sdio_dev_s *dev, bool cardinslot);
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
EXTERN void sdio_wrprotect(FAR struct sdio_dev_s *dev, bool wrprotect);
|
||||
void sdio_wrprotect(FAR struct sdio_dev_s *dev, bool wrprotect);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam3u_spicsnumber, sam3u_spiselect, sam3u_spistatus, and
|
||||
@ -825,7 +832,7 @@ enum spi_dev_e;
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
EXTERN int sam3u_spicsnumber(enum spi_dev_e devid);
|
||||
int sam3u_spicsnumber(enum spi_dev_e devid);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam3u_spiselect
|
||||
@ -853,7 +860,7 @@ EXTERN int sam3u_spicsnumber(enum spi_dev_e devid);
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
EXTERN void sam3u_spiselect(enum spi_dev_e devid, bool selected);
|
||||
void sam3u_spiselect(enum spi_dev_e devid, bool selected);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam3u_spistatus
|
||||
@ -870,7 +877,7 @@ EXTERN void sam3u_spiselect(enum spi_dev_e devid, bool selected);
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
EXTERN uint8_t sam3u_spistatus(FAR struct spi_dev_s *dev, enum spi_dev_e devid);
|
||||
uint8_t sam3u_spistatus(FAR struct spi_dev_s *dev, enum spi_dev_e devid);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam3u_spicmddata
|
||||
@ -897,7 +904,7 @@ EXTERN uint8_t sam3u_spistatus(FAR struct spi_dev_s *dev, enum spi_dev_e devid);
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_SPI_CMDDATA
|
||||
EXTERN int sam3u_spicmddata(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool cmd);
|
||||
int sam3u_spicmddata(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool cmd);
|
||||
#endif
|
||||
#endif /* CONFIG_SAM3U_SPI */
|
||||
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/common/sam3u_mpuinit.c
|
||||
*
|
||||
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
|
||||
* Copyright (C) 2011, 2013 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
@ -102,17 +102,26 @@ void sam3u_mpuinitialize(void)
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: sam3u_mpuheap
|
||||
* Name: sam3u_mpu_uheap and sam3u_mpu_uheap
|
||||
*
|
||||
* Description:
|
||||
* Map a heap region (probably needs to extension to handle external SRAM).
|
||||
* Map a user- or kernel-heap region.
|
||||
*
|
||||
* This logic may need an extension to handle external SRAM).
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void sam3u_mpuheap(uintptr_t start, size_t size)
|
||||
void sam3u_mpu_uheap(uintptr_t start, size_t size)
|
||||
{
|
||||
mpu_userintsram(start, size);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_MM_KERNEL_HEAP
|
||||
void sam3u_mpu_kheap(uintptr_t start, size_t size)
|
||||
{
|
||||
mpu_privintsram(start, size);
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* CONFIG_NUTTX_KERNEL */
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user