qemu/armv7a: register cfi flash
search the device tree and register cfi flash test flowchart: mount -t littlefs -o autoformat /dev/cfi-flash1 /data fstest -m /data Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
This commit is contained in:
dongjiuzhu1
archer
parent
ef24233501
commit
34bde7b80a
6 changed files with 150 additions and 0 deletions
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@ -29,6 +29,8 @@ CONFIG_CXX_LOCALIZATION=y
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CONFIG_CXX_WCHAR=y
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CONFIG_DEBUG_ASSERTIONS=y
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CONFIG_DEBUG_FEATURES=y
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CONFIG_DEBUG_FS=y
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CONFIG_DEBUG_FS_ERROR=y
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CONFIG_DEBUG_FULLOPT=y
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CONFIG_DEBUG_SCHED=y
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CONFIG_DEBUG_SCHED_ERROR=y
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@ -56,6 +58,7 @@ CONFIG_FLASH_SIZE=50331648
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CONFIG_FLASH_START=0x00600000
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CONFIG_FLASH_VSTART=0x00600000
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CONFIG_FS_LARGEFILE=y
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CONFIG_FS_LITTLEFS=y
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CONFIG_FS_LOCK_BUCKET_SIZE=8
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CONFIG_FS_PROCFS=y
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CONFIG_FS_ROMFS=y
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@ -88,6 +91,8 @@ CONFIG_LV_USE_LOG=y
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CONFIG_LV_USE_NUTTX=y
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CONFIG_LV_USE_NUTTX_TOUCHSCREEN=y
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CONFIG_LV_USE_QRCODE=y
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CONFIG_MTD=y
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CONFIG_MTD_CFI=y
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CONFIG_NET=y
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CONFIG_NETDEV_HPWORK_THREAD=y
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CONFIG_NETDEV_IFINDEX=y
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@ -133,6 +138,7 @@ CONFIG_SYSTEM_NXCODEC=y
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CONFIG_SYSTEM_VI=y
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CONFIG_SYSTEM_YMODEM=y
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CONFIG_SYSTEM_ZMODEM=y
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CONFIG_TESTING_FSTEST=y
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CONFIG_TESTING_GETPRIME=y
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CONFIG_TESTING_OSTEST=y
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CONFIG_TIMER_FD=y
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@ -84,6 +84,14 @@ static void register_devices_from_fdt(void)
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}
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#endif
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#ifdef CONFIG_MTD_CFI
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ret = fdt_cfi_register(fdt);
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if (ret < 0)
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{
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syslog(LOG_ERR, "fdt_cfi_register failed, ret=%d\n", ret);
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}
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#endif
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UNUSED(ret);
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}
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@ -130,6 +138,16 @@ int qemu_bringup(void)
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register_devices_from_fdt();
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#endif
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#if defined(CONFIG_FS_LITTLEFS) && defined(CONFIG_MTD_CFI)
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/* Mount the procfs file system */
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ret = nx_mount("/dev/cfi-flash1", "/data", "littlefs", 0, "autoformat");
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: Failed to mount littlefs at /data: %d\n", ret);
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}
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#endif
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UNUSED(ret);
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return OK;
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}
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@ -30,6 +30,10 @@ if(CONFIG_DEVICE_TREE)
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list(APPEND SRCS fdt_virtio_mmio.c)
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endif()
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if(CONFIG_MTD_CFI)
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list(APPEND SRCS fdt_cfi.c)
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endif()
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target_include_directories(drivers
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PRIVATE ${NUTTX_DIR}/libs/libc/fdt/dtc/libfdt)
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target_sources(drivers PRIVATE ${SRCS})
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@ -32,6 +32,10 @@ ifeq ($(CONFIG_DRIVERS_VIRTIO_MMIO),y)
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CSRCS += fdt_virtio_mmio.c
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endif
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ifeq ($(CONFIG_MTD_CFI),y)
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CSRCS += fdt_cfi.c
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endif
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CFLAGS += ${INCDIR_PREFIX}$(TOPDIR)$(DELIM)libs$(DELIM)libc$(DELIM)fdt$(DELIM)dtc$(DELIM)libfdt
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DEPPATH += --dep-path devicetree
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101
drivers/devicetree/fdt_cfi.c
Normal file
101
drivers/devicetree/fdt_cfi.c
Normal file
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@ -0,0 +1,101 @@
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/****************************************************************************
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* drivers/devicetree/fdt_cfi.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/config.h>
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#include <nuttx/fdt.h>
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#include <nuttx/mtd/mtd.h>
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#include <libfdt.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: fdt_cfi_register
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*
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* Description:
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* This function is used to register an fci flash from the device tree
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*
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* Input Parameters:
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* fdt - Device tree handle
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*
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* Returned Value:
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* Return 0 if success, nageative if failed
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*
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****************************************************************************/
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int fdt_cfi_register(FAR const void *fdt)
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{
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int ret = 0;
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int offset = -1;
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while ((offset = fdt_node_offset_by_compatible(fdt, offset, "cfi-flash"))
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>= 0)
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{
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uintptr_t address_cell = fdt_get_parent_address_cells(fdt, offset);
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uintptr_t size_cell = fdt_get_parent_size_cells(fdt, offset);
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uint32_t bankwidth = fdt_get_bankwidth(fdt, offset);
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uint32_t reg_cnt = fdt_get_reg_count(fdt, offset);
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size_t num;
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size_t i;
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/* get number of "address & size" cell pairs */
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num = reg_cnt / (4 * (address_cell + size_cell));
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for (i = 0; i < num; i++)
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{
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uintptr_t flash_base = fdt_get_reg_base_by_index(fdt, offset, i);
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uintptr_t flash_end = fdt_get_reg_size_by_index(fdt, offset, i) +
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flash_base;
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if ((CONFIG_FLASH_START > flash_end ||
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CONFIG_FLASH_START + CONFIG_FLASH_SIZE < flash_base))
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{
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ret = register_cfi_driver(flash_base, flash_end,
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bankwidth, i);
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if (ret < 0)
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{
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break;
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}
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}
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else
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{
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ferr("cfi flash%d has beed used to store text:"
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"[%x,%x], flash:[%x,%x]\n", i, flash_base, flash_end,
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CONFIG_FLASH_START, CONFIG_FLASH_START +
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CONFIG_FLASH_SIZE);
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}
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}
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}
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return ret;
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}
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@ -491,4 +491,21 @@ int fdt_pci_ecam_register(FAR const void *fdt);
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int fdt_virtio_mmio_devices_register(FAR const void *fdt, int irqbase);
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#endif
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/****************************************************************************
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* Name: fdt_cfi_register
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*
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* Description:
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* This function is used to register an fci flash from the device tree
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*
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* Input Parameters:
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* fdt - Device tree handle
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*
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* Returned Value:
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* Return 0 if success, nageative if failed
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*
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****************************************************************************/
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#ifdef CONFIG_MTD_CFI
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int fdt_cfi_register(FAR const void *fdt);
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#endif
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#endif /* __INCLUDE_NUTTX_FDT_H */
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