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@ -44,89 +44,25 @@
@@ -44,89 +44,25 @@
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#include <debug.h> |
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#include <errno.h> |
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#include <nuttx/ramdisk.h> |
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#include "chip.h" |
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#ifdef CONFIG_SPIFI_BLKDRVR |
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#ifdef CONFIG_LPC43_SPIFI |
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# include <nuttx/mtd.h> |
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# include "lpc43_spifi.h" |
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/* This should be removed someday when we are confident in SPIFI */ |
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# ifdef CONFIG_DEBUG_FS |
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# include "up_arch.h" |
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# include "chip/lpc43_cgu.h" |
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# include "chip/lpc43_ccu.h" |
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# ifdef CONFIG_SPFI_NXFFS |
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# include <sys/mount.h> |
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# include <nuttx/fs/nxffs.h> |
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# endif |
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#endif |
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/****************************************************************************
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* Pre-Processor Definitions |
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****************************************************************************/ |
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/* SPIFI Configuration ******************************************************/ |
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/* This logic supports some special options that can be used to create a
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* block device on the SPIFI FLASH. NOTE: CONFIG_LPC43_SPIFI=y must also |
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* be defined to enable SPIFI setup support: |
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* |
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* CONFIG_SPIFI_BLKDRVR - Enable to create a block driver on the SPFI device. |
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* CONFIG_SPIFI_DEVNO - SPIFI minor device number. The SPFI device will be |
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* at /dev/ramN, where N is the value of CONFIG_SPIFI_DEVNO. Default: 0. |
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* CONFIG_SPIFI_RDONLY - Create a read only device on SPIFI. |
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* CONFIG_SPIFI_OFFSET - Offset the beginning of the block driver this many |
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* bytes into the device address space. Default 0. |
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* CONFIG_SPIFI_BLKSIZE - The size of one block. SPIFI is not block oriented, |
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* so most any size of the block used in the SPIFI block device can be |
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* used. NOTE: FAT will support only sector sizes of 512, 1024, 2048, or |
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* 4096. Default: 512 |
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* CONFIG_SPIFI_NBLOCKS - The number of blocks in the file system, each of |
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* size CONFIG_SPIFI_BLKSIZE. The end of the file system will be at |
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* device offset: |
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* CONFIG_SPIFI_OFFSET + CONFIG_SPIFI_BLKSIZE*CONFIG_SPIFI_NBLOCKS |
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* The must assure that this does offset does not go beyond the end of |
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* the FLASH memory. |
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*/ |
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#ifdef CONFIG_SPIFI_BLKDRVR |
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# ifndef CONFIG_LPC43_SPIFI |
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# error "SPIFI support is not enabled (CONFIG_LPC43_SPIFI)" |
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# endif |
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# ifndef CONFIG_SPIFI_DEVNO |
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# define CONFIG_SPIFI_DEVNO 0 |
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# endif |
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# ifndef CONFIG_SPIFI_OFFSET |
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# define CONFIG_SPIFI_OFFSET 0 |
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# endif |
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# ifndef CONFIG_SPIFI_BLKSIZE |
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# define CONFIG_SPIFI_BLKSIZE 512 |
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# endif |
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/* Configuration ************************************************************/ |
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# ifndef CONFIG_SPIFI_NBLOCKS |
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# error "Need number of SPIFI blocks (CONFIG_SPIFI_NBLOCKS)" |
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# endif |
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# define SPIFI_BUFFER \ |
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(FAR uint8_t *)(LPC43_LOCSRAM_SPIFI_BASE + CONFIG_SPIFI_OFFSET) |
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#endif |
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/* Debug ********************************************************************/ |
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#ifdef CONFIG_CPP_HAVE_VARARGS |
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# ifdef CONFIG_DEBUG |
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# define message(...) lib_lowprintf(__VA_ARGS__) |
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# else |
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# define message(...) printf(__VA_ARGS__) |
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# endif |
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#else |
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# ifdef CONFIG_DEBUG |
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# define message lib_lowprintf |
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# else |
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# define message printf |
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# endif |
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#ifndef CONFIG_SPIFI_DEVNO |
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# define CONFIG_SPIFI_DEVNO 0 |
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#endif |
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/****************************************************************************
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@ -140,56 +76,53 @@
@@ -140,56 +76,53 @@
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* Make the SPIFI (or part of it) into a block driver that can hold a |
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* file system. |
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* |
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* SPIFI AHB register clock: |
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* Base clock = BASE_M4_CLK |
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* Branch clock = CLK_M4_SPIFI |
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* SPIFI serial clock input: |
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* Base clock = BASE_SPIFI_CLK |
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* Branch clock = SPIFI_CLK |
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* |
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****************************************************************************/ |
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#ifdef CONFIG_SPIFI_BLKDRVR |
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#ifdef CONFIG_LPC43_SPIFI |
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static int nsh_spifi_initialize(void) |
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{ |
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FAR struct mtd_dev_s *mtd; |
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int ret; |
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/* Initialize the SPIFI interface */ |
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/* Initialize the SPIFI interface and create the MTD driver instance */ |
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ret = lpc43_spifi_initialize(); |
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if (ret < 0) |
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mtd = lpc43_spifi_initialize(); |
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if (!mtd) |
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{ |
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fdbg("ERROR: lpc43_spifi_initialize failed: %d\n", ret); |
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return ret; |
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fdbg("ERROR: lpc43_spifi_initialize failed\n"); |
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return -ENODEV; |
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} |
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/* This should be removed someday when we are confident in SPIFI */ |
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#ifndef CONFIG_SPFI_NXFFS |
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/* And finally, use the FTL layer to wrap the MTD driver as a block driver */ |
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#ifdef CONFIG_DEBUG_FS |
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fdbg("BASE_SPIFI_CLK=%08x\n", |
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getreg32(LPC43_BASE_SPIFI_CLK)); |
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fdbg("SPFI CFG=%08x STAT=%08x\n", |
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getreg32(LPC43_CCU1_SPIFI_CFG), getreg32(LPC43_CCU1_SPIFI_STAT)); |
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fdbg("M4 SPFI CFG=%08x STAT=%08x\n", |
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getreg32(LPC43_CCU1_M4_SPIFI_CFG), getreg32(LPC43_CCU1_M4_SPIFI_STAT)); |
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#endif |
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ret = ftl_initialize(CONFIG_SPIFI_DEVNO, mtd); |
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if (ret < 0) |
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{ |
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fdbg("ERROR: Initializing the FTL layer: %d\n", ret); |
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return ret; |
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} |
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#else |
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/* Initialize to provide NXFFS on the MTD interface */1G |
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#ifdef CONFIG_SPIFI_RDONLY |
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/* Register a read-only SPIFI RAM disk at /dev/ramN, where N is the
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* value of CONFIG_SPIFI_DEVNO. |
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*/ |
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ret = nxffs_initialize(mtd); |
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if (ret < 0) |
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{ |
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fdbg("ERROR: NXFFS initialization failed: %d\n", ret); |
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return ret; |
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} |
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return romdisk_register(CONFIG_SPIFI_DEVNO, SPIFI_BUFFER, |
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CONFIG_SPIFI_NBLOCKS, CONFIG_SPIFI_BLKSIZE); |
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#else |
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/* Register a write-able SPIFI RAM disk at /dev/ramN, where N is the
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* value of CONFIG_SPIFI_DEVNO. |
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*/ |
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/* Mount the file system at /mnt/spifi */ |
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return ramdisk_register(CONFIG_SPIFI_DEVNO, SPIFI_BUFFER, |
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CONFIG_SPIFI_NBLOCKS, CONFIG_SPIFI_BLKSIZE, |
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true); |
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ret = mount(NULL, "/mnt/spifi", "nxffs", 0, NULL); |
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if (ret < 0) |
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{ |
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fdbg("ERROR: Failed to mount the NXFFS volume: %d\n", errno); |
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return ret; |
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} |
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#endif |
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return OK; |
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} |
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#else |
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# define nsh_spifi_initialize() (OK) |
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patacongo
13 years ago