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Open1788 uses SDIO-based SD card (not SPI); clone STM32 SDIO interface to LPC17xx

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5708 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2013-03-05 14:46:04 +00:00
parent 46f1faca46
commit 693d3f18c7
1 changed files with 27 additions and 57 deletions
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84
configs/open1788/src/lpc17_nsh.c
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@ -45,7 +45,7 @@
#include <debug.h>
#include <errno.h>
#include <nuttx/spi.h>
#include <nuttx/sdio.h>
#include <nuttx/mmcsd.h>
#include <nuttx/usb/usbhost.h>
@ -64,7 +64,7 @@
/* MMC/SD support */
#if !defined(CONFIG_MMCSD) && !defined(CONFIG_MMCD_SPI)
#if !defined(CONFIG_LPC17_SDCARD) || !defined(CONFIG_MMCSD) && !defined(CONFIG_MMCD_SDIO)
# undef NSH_HAVE_MMCSD
#endif
@ -77,35 +77,16 @@
/* MMC/SD support requires that an SPI support is enabled and an SPI port is selected */
#ifdef NSH_HAVE_MMCSD
# if !defined(CONFIG_NSH_MMCSDSPIPORTNO)
# error "No SSP port number is provided for MMC/SD support"
# undef NSH_HAVE_MMCSD
# elif CONFIG_NSH_MMCSDSPIPORTNO == 0 && !defined(CONFIG_LPC17_SSP0)
# error "SSP port 0 is selected but SSP0 is not enabled"
# undef NSH_HAVE_MMCSD
# elif CONFIG_NSH_MMCSDSPIPORTNO == 1 && !defined(CONFIG_LPC17_SSP1)
# error "SSP port 1 is selected but SSP1 is not enabled"
# undef NSH_HAVE_MMCSD
# elif CONFIG_NSH_MMCSDSPIPORTNO == 2 && !defined(CONFIG_LPC17_SSP2)
# error "SSP port 2 is selected but SSP2 is not enabled"
# undef NSH_HAVE_MMCSD
# elif CONFIG_NSH_MMCSDSPIPORTNO > 2
# error "SSP port number is out of range"
# undef NSH_HAVE_MMCSD
# if !defined(CONFIG_NSH_MMCSDSLOTNO)
# warning "Assuming slot MMC/SD slot 0"
# define CONFIG_NSH_MMCSDSLOTNO 0
# endif
#endif
#ifdef NSH_HAVE_MMCSD
# if !defined(CONFIG_NSH_MMCSDSLOTNO)
# warning "Assuming slot MMC/SD slot 0"
# define CONFIG_NSH_MMCSDSLOTNO 0
# endif
#endif
#ifdef NSH_HAVE_MMCSD
# if !defined(CONFIG_NSH_MMCSDSLOTNO)
# warning "Assuming /dev/mmcsd0"
# define CONFIG_NSH_MMCSDMINOR 0
# if !defined(CONFIG_NSH_MMCSDMINOR)
# warning "Assuming /dev/mmcsd0"
# define CONFIG_NSH_MMCSDMINOR 0
# endif
#endif
@ -218,50 +199,39 @@ static int nsh_waiter(int argc, char *argv[])
#ifdef NSH_HAVE_MMCSD
static int nsh_sdinitialize(void)
{
FAR struct spi_dev_s *ssp;
FAR struct sdio_dev_s *sdio;
int ret;
/* Enable power to the SD/MMC via a GPIO. LOW enables SD/MMC. */
lpc17_gpiowrite(OPEN1788_MMC_PWR, false);
#warning "This is wrong"
/* Get the SSP port */
/* First, get an instance of the SDIO interface */
ssp = up_spiinitialize(CONFIG_NSH_MMCSDSPIPORTNO);
if (!ssp)
sdio = sdio_initialize(CONFIG_NSH_MMCSDSLOTNO);
if (!sdio)
{
message("nsh_archinitialize: Failed to initialize SSP port %d\n",
CONFIG_NSH_MMCSDSPIPORTNO);
ret = -ENODEV;
goto errout;
message("nsh_archinitialize: Failed to initialize SDIO slot %d\n",
CONFIG_NSH_MMCSDSLOTNO);
return -ENODEV;
}
message("Successfully initialized SSP port %d\n",
CONFIG_NSH_MMCSDSPIPORTNO);
/* Now bind the SDIO interface to the MMC/SD driver */
/* Bind the SSP port to the slot */
ret = mmcsd_spislotinitialize(CONFIG_NSH_MMCSDMINOR,
CONFIG_NSH_MMCSDSLOTNO, ssp);
if (ret < 0)
ret = mmcsd_slotinitialize(CONFIG_NSH_MMCSDMINOR, sdio);
if (ret != OK)
{
message("nsh_sdinitialize: "
"Failed to bind SSP port %d to MMC/SD slot %d: %d\n",
CONFIG_NSH_MMCSDSPIPORTNO,
CONFIG_NSH_MMCSDSLOTNO, ret);
goto errout;
message("nsh_archinitialize: Failed to bind SDIO to the MMC/SD driver: %d\n", ret);
return ret;
}
/* Then let's guess and say that there is a card in the slot. I need to check to
* see if the STM3240G-EVAL board supports a GPIO to detect if there is a card in
* the slot.
*/
message("Successfuly bound SSP port %d to MMC/SD slot %d\n",
CONFIG_NSH_MMCSDSPIPORTNO,
CONFIG_NSH_MMCSDSLOTNO);
return OK;
/* Disable power to the SD/MMC via a GPIO. HIGH disables SD/MMC. */
errout:
lpc17_gpiowrite(OPEN1788_MMC_PWR, true);
return ret;
sdio_mediachange(sdio, true);
}
#else
# define nsh_sdinitialize() (OK)