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https://github.com/apache/nuttx.git
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arch/risc-v/src/litex/litex_sdio: add litesdcard peripheral driver
See the following for details on the pepheral: https://github.com/enjoy-digital/litesdcard
This commit is contained in:
Richard Tucker
committed by
Xiang Xiao
Xiang Xiao
parent
163e3fd93c
commit
6d8cd4ec92
@@ -35,9 +35,10 @@
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#define LITEX_IRQ_UART0 (RISCV_IRQ_MEXT + 1)
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#define LITEX_IRQ_TIMER0 (RISCV_IRQ_MEXT + 2)
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#define LITEX_IRQ_SDCARD (RISCV_IRQ_MEXT + 3)
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/* Total number of IRQs */
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#define NR_IRQS (LITEX_IRQ_TIMER0 + 1)
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#define NR_IRQS (LITEX_IRQ_SDCARD + 1)
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#endif /* __ARCH_RISCV_INCLUDE_LITEX_IRQ_H */
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@@ -25,4 +25,42 @@ config LITEX_UART0
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select ARCH_HAVE_SERIAL_TERMIOS
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select LITEX_UART
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config LITEX_SDIO
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bool "SDIO"
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default n
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select SCHED_WORKQUEUE
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select SCHED_HPWORK
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select MMCSD
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select MMCSD_SDIO
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select SDIO_BLOCKSETUP
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select ARCH_HAVE_SDIO
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select SDIO_DMA
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config LITEX_SDIO1
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bool "Enable SDIO1"
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default y if LITEX_SDIO
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select LITEX_SDIO_DMA
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depends on LITEX_SDIO
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if LITEX_SDIO1
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config LITEX_IDMODE_FREQ
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int "ID mode frequency"
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default 400000
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---help---
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Initial, ID mode SD frequency
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config LITEX_MMCXFR_FREQ
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int "MMC transfer frequency"
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default 25000000
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---help---
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Frequency to use for transferring data to/from an MMC card
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config LITEX_SD4BIT_FREQ
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int "SD 4-bit transfer frequency"
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default 50000000
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---help---
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Frequency to use for transferring data to/from an SD card using all four data lines.
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endif
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endmenu
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@@ -53,3 +53,7 @@ CHIP_CSRCS += litex_irq.c litex_irq_dispatch.c
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CHIP_CSRCS += litex_lowputc.c litex_serial.c
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CHIP_CSRCS += litex_start.c litex_timerisr.c
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CHIP_ASRCS += litex_cache.S
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ifeq ($(CONFIG_LITEX_SDIO),y)
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CHIP_CSRCS += litex_sdio.c
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endif
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@@ -31,8 +31,13 @@
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* uses two additional CSRs: mask and pending.
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*/
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#define LITEX_CPUTIMER_BASE 0xf0000800 /* riscv clint timer */
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#define LITEX_TIMER0_BASE 0xf0002800
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#define LITEX_UART0_BASE 0xf0002000 /* 0xf0002000 - : UART0 */
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#define LITEX_CPUTIMER_BASE 0xf0000800
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#define LITEX_SDBLOCK2MEM_BASE 0xf0002000
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#define LITEX_SDCORE_BASE 0xf0002800
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#define LITEX_SDIRQ_BASE 0xf0003000
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#define LITEX_SDMEM2BLOCK_BASE 0xf0003800
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#define LITEX_SDPHY_BASE 0xf0004000
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#define LITEX_TIMER0_BASE 0xf0005000
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#define LITEX_UART0_BASE 0xf0005800
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#endif /* __ARCH_RISCV_SRC_LITEX_HARDWARE_LITEX_MEMORYMAP_H */
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@@ -0,0 +1,104 @@
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/****************************************************************************
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* arch/risc-v/src/litex/hardware/litex_sdio.h
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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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#ifndef __ARCH_RISCV_SRC_LITEX_HARDWARE_LITEX_SDIO_H
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#define __ARCH_RISCV_SRC_LITEX_HARDWARE_LITEX_SDIO_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include "hardware/litex_memorymap.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* LITEX_SDIO register offsets **********************************************/
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#define LITEX_SDBLOCK2MEM_DMA_BASE_OFFSET 0x0000
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#define LITEX_SDBLOCK2MEM_DMA_LENGTH_OFFSET 0x0008
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#define LITEX_SDBLOCK2MEM_DMA_ENABLE_OFFSET 0x000C
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#define LITEX_SDBLOCK2MEM_DMA_DONE_OFFSET 0x0010
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#define LITEX_SDBLOCK2MEM_DMA_LOOP_OFFSET 0x0014
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#define LITEX_SDBLOCK2MEM_DMA_OFFSET_OFFSET 0x0018
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#define LITEX_SDCORE_CMD_ARGUMENT_OFFSET 0x0000
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#define LITEX_SDCORE_CMD_COMMAND_OFFSET 0x0004
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#define LITEX_SDCORE_CMD_SEND_OFFSET 0x0008
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#define LITEX_SDCORE_CMD_RESPONSE_OFFSET 0x000C
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#define LITEX_SDCORE_CMD_EVENT_OFFSET 0x001C
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#define LITEX_SDCORE_DATA_EVENT_OFFSET 0x0020
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#define LITEX_SDCORE_BLOCK_LENGTH_OFFSET 0x0024
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#define LITEX_SDCORE_BLOCK_COUNT_OFFSET 0x0028
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#define LITEX_SDIRQ_STATUS_OFFSET 0x0000
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#define LITEX_SDIRQ_PENDING_OFFSET 0x0004
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#define LITEX_SDIRQ_ENABLE_OFFSET 0x0008
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#define LITEX_SDMEM2BLOCK_DMA_BASE_OFFSET 0x0000
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#define LITEX_SDMEM2BLOCK_DMA_LENGTH_OFFSET 0x0008
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#define LITEX_SDMEM2BLOCK_DMA_ENABLE_OFFSET 0x000C
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#define LITEX_SDMEM2BLOCK_DMA_DONE_OFFSET 0x0010
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#define LITEX_SDMEM2BLOCK_DMA_LOOP_OFFSET 0x0014
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#define LITEX_SDMEM2BLOCK_DMA_OFFSET_OFFSET 0x0018
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#define LITEX_SDPHY_CARD_DETECT_OFFSET 0x0000
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#define LITEX_SDPHY_CLOCKER_DIVIDER_OFFSET 0x0004
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#define LITEX_SDPHY_INIT_INITIALIZE_OFFSET 0x0008
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#define LITEX_SDPHY_DATAW_STATUS_OFFSET 0x000C
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/* LITEX_SDIO register addresses ********************************************/
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#define LITEX_SDBLOCK2MEM_DMA_BASE (LITEX_SDBLOCK2MEM_BASE+LITEX_SDBLOCK2MEM_DMA_BASE_OFFSET)
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#define LITEX_SDBLOCK2MEM_DMA_LENGTH (LITEX_SDBLOCK2MEM_BASE+LITEX_SDBLOCK2MEM_DMA_LENGTH_OFFSET)
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#define LITEX_SDBLOCK2MEM_DMA_ENABLE (LITEX_SDBLOCK2MEM_BASE+LITEX_SDBLOCK2MEM_DMA_ENABLE_OFFSET)
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#define LITEX_SDBLOCK2MEM_DMA_DONE (LITEX_SDBLOCK2MEM_BASE+LITEX_SDBLOCK2MEM_DMA_DONE_OFFSET)
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#define LITEX_SDBLOCK2MEM_DMA_LOOP (LITEX_SDBLOCK2MEM_BASE+LITEX_SDBLOCK2MEM_DMA_LOOP_OFFSET)
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#define LITEX_SDBLOCK2MEM_DMA_OFFSET (LITEX_SDBLOCK2MEM_BASE+LITEX_SDBLOCK2MEM_DMA_OFFSET_OFFSET)
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#define LITEX_SDCORE_CMD_ARGUMENT (LITEX_SDCORE_BASE+LITEX_SDCORE_CMD_ARGUMENT_OFFSET)
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#define LITEX_SDCORE_CMD_COMMAND (LITEX_SDCORE_BASE+LITEX_SDCORE_CMD_COMMAND_OFFSET)
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#define LITEX_SDCORE_CMD_SEND (LITEX_SDCORE_BASE+LITEX_SDCORE_CMD_SEND_OFFSET)
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#define LITEX_SDCORE_CMD_RESPONSE (LITEX_SDCORE_BASE+LITEX_SDCORE_CMD_RESPONSE_OFFSET)
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#define LITEX_SDCORE_CMD_EVENT (LITEX_SDCORE_BASE+LITEX_SDCORE_CMD_EVENT_OFFSET)
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#define LITEX_SDCORE_DATA_EVENT (LITEX_SDCORE_BASE+LITEX_SDCORE_DATA_EVENT_OFFSET)
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#define LITEX_SDCORE_BLOCK_LENGTH (LITEX_SDCORE_BASE+LITEX_SDCORE_BLOCK_LENGTH_OFFSET)
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#define LITEX_SDCORE_BLOCK_COUNT (LITEX_SDCORE_BASE+LITEX_SDCORE_BLOCK_COUNT_OFFSET)
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#define LITEX_SDIRQ_STATUS (LITEX_SDIRQ_BASE+LITEX_SDIRQ_STATUS_OFFSET)
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#define LITEX_SDIRQ_PENDING (LITEX_SDIRQ_BASE+LITEX_SDIRQ_PENDING_OFFSET)
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#define LITEX_SDIRQ_ENABLE (LITEX_SDIRQ_BASE+LITEX_SDIRQ_ENABLE_OFFSET)
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#define LITEX_SDMEM2BLOCK_DMA_BASE (LITEX_SDMEM2BLOCK_BASE+LITEX_SDMEM2BLOCK_DMA_BASE_OFFSET)
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#define LITEX_SDMEM2BLOCK_DMA_LENGTH (LITEX_SDMEM2BLOCK_BASE+LITEX_SDMEM2BLOCK_DMA_LENGTH_OFFSET)
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#define LITEX_SDMEM2BLOCK_DMA_ENABLE (LITEX_SDMEM2BLOCK_BASE+LITEX_SDMEM2BLOCK_DMA_ENABLE_OFFSET)
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#define LITEX_SDMEM2BLOCK_DMA_DONE (LITEX_SDMEM2BLOCK_BASE+LITEX_SDMEM2BLOCK_DMA_DONE_OFFSET)
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#define LITEX_SDMEM2BLOCK_DMA_LOOP (LITEX_SDMEM2BLOCK_BASE+LITEX_SDMEM2BLOCK_DMA_LOOP_OFFSET)
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#define LITEX_SDMEM2BLOCK_DMA_OFFSET (LITEX_SDMEM2BLOCK_BASE+LITEX_SDMEM2BLOCK_DMA_OFFSET_OFFSET)
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#define LITEX_SDPHY_CARD_DETECT (LITEX_SDPHY_BASE+LITEX_SDPHY_CARD_DETECT_OFFSET)
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#define LITEX_SDPHY_CLOCKER_DIVIDER (LITEX_SDPHY_BASE+LITEX_SDPHY_CLOCKER_DIVIDER_OFFSET)
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#define LITEX_SDPHY_INIT_INITIALIZER (LITEX_SDPHY_BASE+LITEX_SDPHY_INIT_INITIALIZE_OFFSET)
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#define LITEX_SDPHY_DATAW_STATUS (LITEX_SDPHY_BASE+LITEX_SDPHY_DATAW_STATUS_OFFSET)
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/* LITEX_SDIO register bit definitions **************************************/
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#endif /* __ARCH_RISCV_SRC_LITEX_HARDWARE_LITEX_SDIO_H */
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,120 @@
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/****************************************************************************
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* arch/risc-v/src/litex/litex_sdio.h
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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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#ifndef __ARCH_RISCV_SRC_LITEX_LITEX_SDIO_H
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#define __ARCH_RISCV_SRC_LITEX_LITEX_SDIO_H
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Name: litex_sdio_get_card_detect
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*
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* Description:
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* Get the card detection state determined by the peripheral.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* Card detected state.
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* True when a card is present.
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*
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****************************************************************************/
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bool litex_sdio_get_card_detect(void);
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/****************************************************************************
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* Name: litex_sdio_set_card_isr
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*
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* Description:
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* SDIO card generates interrupt via SDIO_DATA_1 pin.
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* Called by board-specific logic to register an ISR for SDIO card.
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*
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* Input Parameters:
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* func - callback function.
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* arg - arg to be passed to the function.
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void litex_sdio_set_card_isr(struct sdio_dev_s *dev,
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void (*func)(void *), void *arg);
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/****************************************************************************
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* Name: sdio_initialize
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*
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* Description:
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* Initialize SDIO for operation.
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*
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* Input Parameters:
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* slotno - Not used.
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*
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* Returned Value:
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* A reference to an SDIO interface structure. NULL is returned on
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* failures.
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*
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****************************************************************************/
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struct sdio_dev_s; /* See include/nuttx/sdio.h */
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struct sdio_dev_s *sdio_initialize(int slotno);
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/****************************************************************************
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* Name: sdio_mediachange
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*
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* Description:
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* Called by board-specific logic -- possibly from an interrupt handler --
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* in order to signal to the driver that a card has been inserted or
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* removed from the slot
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*
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* Input Parameters:
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* dev - An instance of the SDIO driver device state structure.
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* cardinslot - true is a card has been detected in the slot; false if a
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* card has been removed from the slot. Only transitions
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* (inserted->removed or removed->inserted should be reported)
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void sdio_mediachange(struct sdio_dev_s *dev, bool cardinslot);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_RISCV_SRC_LITEX_LITEX_SDIO_H */
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