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Updates to the LPC1788 SDIO support

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5709 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2013-03-05 15:37:50 +00:00
parent 693d3f18c7
commit 8b48f7c32c
2 changed files with 48 additions and 2 deletions
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37
configs/open1788/include/board.h
View File

@ -142,6 +142,36 @@
#define ETH_MCFG_CLKSEL_DIV ETH_MCFG_CLKSEL_DIV20
/* SDIO dividers. Note that slower clocking is required when DMA is disabled
* in order to avoid RX overrun/TX underrun errors due to delayed responses
* to service FIFOs in interrupt driven mode. These values have not been
* tuned!!!
*
* SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(118+2)=400 KHz
*/
#define SDCARD_INIT_CLKDIV (118 << SDCARD_CLOCK_CLKDIV_SHIFT)
/* DMA ON: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(1+2)=16 MHz
* DMA OFF: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(2+2)=12 MHz
*/
#ifdef CONFIG_SDIO_DMA
# define SDCARD_MMCXFR_CLKDIV (1 << SDCARD_CLOCK_CLKDIV_SHIFT)
#else
# define SDCARD_MMCXFR_CLKDIV (2 << SDCARD_CLOCK_CLKDIV_SHIFT)
#endif
/* DMA ON: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(1+2)=16 MHz
* DMA OFF: SDIOCLK=48MHz, SDIO_CK=SDIOCLK/(2+2)=12 MHz
*/
#ifdef CONFIG_SDIO_DMA
# define SDCARD_SDXFR_CLKDIV (1 << SDCARD_CLOCK_CLKDIV_SHIFT)
#else
# define SDCARD_SDXFR_CLKDIV (2 << SDCARD_CLOCK_CLKDIV_SHIFT)
#endif
/* Set EMC delay values:
*
* CMDDLY: Programmable delay value for EMC outputs in command delayed
@ -261,6 +291,13 @@
#define GPIO_UART0_TXD GPIO_UART0_TXD_2
#define GPIO_UART0_RXD GPIO_UART0_RXD_2
#define GPIO_SD_DAT0 GPIO_SD_DAT0_1 /* REVISIT */
#define GPIO_SD_DAT1 GPIO_SD_DAT1_1
#define GPIO_SD_DAT2 GPIO_SD_DAT2_1
#define GPIO_SD_DAT3 GPIO_SD_DAT3_1
#define GPIO_SD_CLK GPIO_SD_CLK_1
#define GPIO_SD_CMD GPIO_SD_CMD_1
/************************************************************************************
* Public Types
************************************************************************************/

13
configs/open1788/nsh/defconfig
View File

@ -118,6 +118,7 @@ CONFIG_ARMV7M_OABI_TOOLCHAIN=y
# CONFIG_ARCH_CHIP_LPC1787 is not set
CONFIG_ARCH_CHIP_LPC1788=y
CONFIG_ARCH_FAMILY_LPC178X=y
CONFIG_ARCH_HAVE_SDIO=y
#
# LPC17xx Peripheral Support
@ -129,6 +130,7 @@ CONFIG_LPC17_PLL1=y
# CONFIG_LPC17_ETHERNET is not set
# CONFIG_LPC17_USBHOST is not set
# CONFIG_LPC17_USBDEV is not set
# CONFIG_LPC17_SDCARD is not set
CONFIG_LPC17_UART0=y
# CONFIG_LPC17_UART1 is not set
# CONFIG_LPC17_UART2 is not set
@ -154,7 +156,7 @@ CONFIG_LPC17_UART0=y
# CONFIG_LPC17_WDT is not set
# CONFIG_LPC17_ADC is not set
# CONFIG_LPC17_DAC is not set
# CONFIG_LPC17_GPDMA is not set
CONFIG_LPC17_GPDMA=y
# CONFIG_LPC17_FLASH is not set
#
@ -255,6 +257,7 @@ CONFIG_ARCH_HAVE_BUTTONS=y
# CONFIG_ARCH_BUTTONS is not set
CONFIG_ARCH_HAVE_IRQBUTTONS=y
CONFIG_NSH_MMCSDMINOR=0
CONFIG_NSH_MMCSDSLOTNO=0
#
# Board-Specific Options
@ -342,7 +345,13 @@ CONFIG_LOOP=y
CONFIG_BCH=y
# CONFIG_INPUT is not set
# CONFIG_LCD is not set
# CONFIG_MMCSD is not set
CONFIG_MMCSD=y
CONFIG_MMCSD_NSLOTS=1
# CONFIG_MMCSD_READONLY is not set
# CONFIG_MMCSD_MULTIBLOCK_DISABLE is not set
CONFIG_MMCSD_MMCSUPPORT=y
CONFIG_MMCSD_HAVECARDDETECT=y
# CONFIG_MMCSD_SDIO is not set
# CONFIG_MTD is not set
CONFIG_PIPES=y
# CONFIG_PM is not set