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SAM4L: Add DFLL0 support, add logic to set the power scaling mode, add support for RAM functions

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This commit is contained in:
Gregory Nutt 2013-06-07 13:26:55 -06:00
parent 5446f496df
commit 6ca2782d99
3 changed files with 20 additions and 6 deletions
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6
configs/sam4l-xplained/include/board.h
View File

@ -103,9 +103,9 @@
*/ */
#define BOARD_DFLL0_SOURCE_OSC32K 1 #define BOARD_DFLL0_SOURCE_OSC32K 1
#define BOARD_FDLL0_FREQUENCY 48000000 #define BOARD_DFLL0_FREQUENCY 48000000
#define BOARD_FDLL0_MUL (BOARD_FDLL0_FREQUENCY / BOARD_OSC32_FREQUENCY) #define BOARD_DFLL0_MUL (BOARD_DFLL0_FREQUENCY / BOARD_OSC32_FREQUENCY)
#define BOARD_FDLL0_DIV 1 #define BOARD_DFLL0_DIV 1
/* Phase Locked Loop configuration /* Phase Locked Loop configuration
* Fdfll = (Fclk * PLLmul) / PLLdiv * Fdfll = (Fclk * PLLmul) / PLLdiv

8
configs/sam4l-xplained/ostest/defconfig
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@ -126,6 +126,7 @@ CONFIG_ARCH_CHIP_SAM4L=y
# #
# AT91SAM3 Peripheral Support # AT91SAM3 Peripheral Support
# #
CONFIG_SAM_PICOCACHE=y
# CONFIG_SAM34_DMA is not set # CONFIG_SAM34_DMA is not set
# CONFIG_SAM34_NAND is not set # CONFIG_SAM34_NAND is not set
# CONFIG_SAM34_HSMCI is not set # CONFIG_SAM34_HSMCI is not set
@ -164,7 +165,8 @@ CONFIG_ARCH_IRQPRIO=y
CONFIG_ARCH_HAVE_VFORK=y CONFIG_ARCH_HAVE_VFORK=y
CONFIG_ARCH_STACKDUMP=y CONFIG_ARCH_STACKDUMP=y
# CONFIG_ENDIAN_BIG is not set # CONFIG_ENDIAN_BIG is not set
# CONFIG_ARCH_HAVE_RAMFUNCS is not set CONFIG_ARCH_HAVE_RAMFUNCS=y
CONFIG_ARCH_RAMFUNCS=y
CONFIG_ARCH_HAVE_RAMVECTORS=y CONFIG_ARCH_HAVE_RAMVECTORS=y
# CONFIG_ARCH_RAMVECTORS is not set # CONFIG_ARCH_RAMVECTORS is not set
@ -313,6 +315,10 @@ CONFIG_USART1_BAUD=115200
CONFIG_USART1_BITS=8 CONFIG_USART1_BITS=8
CONFIG_USART1_PARITY=0 CONFIG_USART1_PARITY=0
CONFIG_USART1_2STOP=0 CONFIG_USART1_2STOP=0
# CONFIG_USART1_IFLOWCONTROL is not set
# CONFIG_USART1_OFLOWCONTROL is not set
# CONFIG_SERIAL_IFLOWCONTROL is not set
# CONFIG_SERIAL_OFLOWCONTROL is not set
# CONFIG_USBDEV is not set # CONFIG_USBDEV is not set
# CONFIG_USBHOST is not set # CONFIG_USBHOST is not set
# CONFIG_WIRELESS is not set # CONFIG_WIRELESS is not set

12
configs/sam4l-xplained/scripts/ld.script
View File

@ -63,8 +63,6 @@ SECTIONS
_etext = ABSOLUTE(.); _etext = ABSOLUTE(.);
} > flash } > flash
_eronly = ABSOLUTE(.);
.data : { .data : {
_sdata = ABSOLUTE(.); _sdata = ABSOLUTE(.);
*(.data .data.*) *(.data .data.*)
@ -73,6 +71,16 @@ SECTIONS
_edata = ABSOLUTE(.); _edata = ABSOLUTE(.);
} > sram AT > flash } > sram AT > flash
_eronly = LOADADDR(.data);
.ramfunc ALIGN(4): {
_sramfuncs = ABSOLUTE(.);
*(.ramfunc .ramfunc.*)
_eramfuncs = ABSOLUTE(.);
} > sram AT > flash
_framfuncs = LOADADDR(.ramfunc);
.ARM.extab : { .ARM.extab : {
*(.ARM.extab*) *(.ARM.extab*)
} >sram } >sram