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authorpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2011-03-06 15:39:02 +0000
committerpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2011-03-06 15:39:02 +0000
commit9fa76b36d2eb8b4c329e763e499675dee143d527 (patch)
tree189cfec40a0599ca60497ac94d137f9f1231dae2
parent517ae43b4f1c1eaf64137a5a6d0d79f3e26608af (diff)
downloadnuttx-9fa76b36d2eb8b4c329e763e499675dee143d527.tar.gz
nuttx-9fa76b36d2eb8b4c329e763e499675dee143d527.tar.bz2
nuttx-9fa76b36d2eb8b4c329e763e499675dee143d527.zip
Add support for RAMTRON NVRAM devices
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3347 42af7a65-404d-4744-a932-0658087f49c3
-rw-r--r--nuttx/ChangeLog2
-rw-r--r--nuttx/Documentation/NuttX.html6
-rwxr-xr-xnuttx/Documentation/README.html3
-rwxr-xr-xnuttx/README.txt1
-rwxr-xr-xnuttx/arch/arm/src/stm32/chip.h18
-rwxr-xr-xnuttx/arch/arm/src/stm32/stm32_rcc.c2
-rw-r--r--nuttx/arch/arm/src/stm32/stm32_sdio.c14
-rwxr-xr-xnuttx/arch/arm/src/stm32/stm32_spi.c13
-rwxr-xr-xnuttx/arch/arm/src/stm32/stm32_spi.h328
-rw-r--r--nuttx/arch/arm/src/stm32/stm32f103re_pinmap.h19
-rw-r--r--nuttx/arch/arm/src/stm32/stm32f103ze_pinmap.h18
-rw-r--r--nuttx/configs/README.txt2
-rwxr-xr-xnuttx/configs/stm3210e-eval/README.txt2
-rwxr-xr-xnuttx/configs/stm3210e-eval/src/up_nsh.c4
-rw-r--r--nuttx/configs/vsn/README.txt2
-rw-r--r--nuttx/configs/vsn/include/board.h54
-rwxr-xr-xnuttx/configs/vsn/nsh/defconfig26
-rw-r--r--nuttx/configs/vsn/src/Makefile7
-rw-r--r--nuttx/configs/vsn/src/README.txt12
-rw-r--r--nuttx/configs/vsn/src/boot.c (renamed from nuttx/configs/vsn/src/up_boot.c)31
-rw-r--r--nuttx/configs/vsn/src/buttons.c (renamed from nuttx/configs/vsn/src/up_buttons.c)4
-rw-r--r--nuttx/configs/vsn/src/leds.c (renamed from nuttx/configs/vsn/src/up_leds.c)6
-rw-r--r--nuttx/configs/vsn/src/nsh.c89
-rw-r--r--nuttx/configs/vsn/src/power.c57
-rw-r--r--nuttx/configs/vsn/src/ramtron.c87
-rw-r--r--nuttx/configs/vsn/src/sdcard.c120
-rw-r--r--nuttx/configs/vsn/src/spi.c (renamed from nuttx/configs/vsn/src/up_spi.c)37
-rw-r--r--nuttx/configs/vsn/src/sysclock.c (renamed from nuttx/configs/vsn/src/up_sysclock.c)2
-rw-r--r--nuttx/configs/vsn/src/up_nsh.c215
-rw-r--r--nuttx/configs/vsn/src/usbdev.c (renamed from nuttx/configs/vsn/src/up_usbdev.c)6
-rw-r--r--nuttx/configs/vsn/src/usbstrg.c (renamed from nuttx/configs/vsn/src/up_usbstrg.c)4
-rw-r--r--nuttx/configs/vsn/src/vsn.h (renamed from nuttx/configs/vsn/src/vsn-internal.h)55
-rw-r--r--nuttx/drivers/mmcsd/mmcsd_sdio.c10
-rw-r--r--nuttx/drivers/mmcsd/mmcsd_sdio.h2
-rw-r--r--nuttx/drivers/mtd/Make.defs3
-rwxr-xr-xnuttx/drivers/mtd/ftl.c6
-rwxr-xr-xnuttx/drivers/mtd/ramtron.c668
37 files changed, 1425 insertions, 510 deletions
diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog
index b3392b89d..d61da5f5d 100644
--- a/nuttx/ChangeLog
+++ b/nuttx/ChangeLog
@@ -1528,3 +1528,5 @@
Uros Platise).
* drivers/mmcsd/mmcsd_sdio.c -- Correct a loop termination condition (also
reported by Uros Platise).
+ * drivers/mtd/ramtron.c - Driver for SPI-based RAMTRON NVRAM devices FM25V10
+ (and others). Contributed by Uros Platise.
diff --git a/nuttx/Documentation/NuttX.html b/nuttx/Documentation/NuttX.html
index d0c2a40bd..117afd5f8 100644
--- a/nuttx/Documentation/NuttX.html
+++ b/nuttx/Documentation/NuttX.html
@@ -8,7 +8,7 @@
<tr align="center" bgcolor="#e4e4e4">
<td>
<h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
- <p>Last Updated: March 5, 2011</p>
+ <p>Last Updated: March 6, 2011</p>
</td>
</tr>
</table>
@@ -519,7 +519,7 @@
<td><br></td>
<td>
<p>
- <li>Support for SPI-based FLASH devices.</li>
+ <li>Support for SPI-based FLASH and FRAM devices.</li>
</p>
</tr>
@@ -2152,6 +2152,8 @@ nuttx-5.19 2011-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
Uros Platise).
* drivers/mmcsd/mmcsd_sdio.c -- Correct a loop termination condition (also
reported by Uros Platise).
+ * drivers/mtd/ramtron.c - Driver for SPI-based RAMTRON NVRAM devices FM25V10
+ (and others). Contributed by Uros Platise.
pascal-2.1 2011-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
diff --git a/nuttx/Documentation/README.html b/nuttx/Documentation/README.html
index c9238cc8d..034f84269 100755
--- a/nuttx/Documentation/README.html
+++ b/nuttx/Documentation/README.html
@@ -9,7 +9,7 @@
<tr align="center" bgcolor="#e4e4e4">
<td>
<h1><big><font color="#3c34ec"><i>NuttX README Files</i></font></big></h1>
- <p>Last Updated: March 5, 2010</p>
+ <p>Last Updated: March 6, 2010</p>
</td>
</tr>
</table>
@@ -141,6 +141,7 @@
| | |- <a href="configs/us7032evb1/src/README.txt?view=log">src/README.txt</a>
| | `- <a href="configs/us7032evb1/README.txt?view=log"><b><i>README.txt</i></b></a>
| |- vsn/
+ | | |- <a href="configs/vsn/src/README.txt?view=log">src/README.txt</a>
| | `- <a href="configs/vsn/README.txt?view=log"><b><i>README.txt</i></b></a>
| |- xtrs/
| | |- <a href="configs/xtrs/include/README.txt?view=log">include/README.txt</a>
diff --git a/nuttx/README.txt b/nuttx/README.txt
index af6af5fa1..67588c9e7 100755
--- a/nuttx/README.txt
+++ b/nuttx/README.txt
@@ -354,6 +354,7 @@ Below is a guide to the available README files in the NuttX source tree:
| | |- src/README.txt
| | `- README.txt
| |- vsn/
+ | | |- src/README.txt
| | `- README.txt
| |- xtrs/
| | |- include/README.txt
diff --git a/nuttx/arch/arm/src/stm32/chip.h b/nuttx/arch/arm/src/stm32/chip.h
index f916f1682..9d6ed8eb3 100755
--- a/nuttx/arch/arm/src/stm32/chip.h
+++ b/nuttx/arch/arm/src/stm32/chip.h
@@ -53,7 +53,7 @@
# undef CONFIG_STM32_MEDIUMDENSITY /* STM32F101x, STM32F102x and STM32F103x w/ 64/128 Kbytes */
# define CONFIG_STM32_HIGHDENSITY 1 /* STM32F101x and STM32F103x w/ 256/512 Kbytes */
# undef CONFIG_STM32_CONNECTIVITYLINE /* STM32F105x and STM32F107x */
-# define STM32_NATIM 1 /* One advanced timers TIM1 */
+# define STM32_NATIM 1 /* One advanced timer TIM1 */
# define STM32_NGTIM 4 /* General timers TIM2,3,4,5 */
# define STM32 NBTIM 0 /* No basic timers */
# define STM32_NDMA 2 /* DMA1-2 */
@@ -73,19 +73,19 @@
# undef CONFIG_STM32_MEDIUMDENSITY /* STM32F101x, STM32F102x and STM32F103x w/ 64/128 Kbytes */
# define CONFIG_STM32_HIGHDENSITY 1 /* STM32F101x and STM32F103x w/ 256/512 Kbytes */
# undef CONFIG_STM32_CONNECTIVITYLINE /* STM32F105x and STM32F107x */
-# define STM32_NATIM 1 /* One advanced timers TIM1 */
+# define STM32_NATIM 2 /* Two advanced timers TIM1 and TIM8 */
# define STM32_NGTIM 4 /* General timers TIM2,3,4,5 */
-# define STM32 NBTIM 0 /* No basic timers */
+# define STM32 NBTIM 2 /* Two basic timers TIM6 and TIM7 */
# define STM32_NDMA 2 /* DMA1-2 */
-# define STM32_NSPI 2 /* SPI1-2 */
-# define STM32_NUSART 3 /* USART1-3 */
+# define STM32_NSPI 3 /* SPI1-3 */
+# define STM32_NUSART 5 /* USART1-5 */
# define STM32_NI2C 2 /* I2C1-2 */
# define STM32_NCAN 1 /* bxCAN1 */
# define STM32_NSDIO 1 /* SDIO */
-# define STM32_NGPIO 112 /* GPIOA-G */
-# define STM32_NADC 1 /* ADC1 */
-# define STM32_NDAC 0 /* No DAC */
-# define STM32_NCRC 0 /* No CRC */
+# define STM32_NGPIO 51 /* GPIOA-D */
+# define STM32_NADC 2 /* ADC1-2 */
+# define STM32_NDAC 2 /* DAC1-2 */
+# define STM32_NCRC 1 /* CRC */
# define STM32_NTHERNET 0 /* No ethernet */
#elif defined(CONFIG_ARCH_CHIP_STM32F107VC)
diff --git a/nuttx/arch/arm/src/stm32/stm32_rcc.c b/nuttx/arch/arm/src/stm32/stm32_rcc.c
index c789a5643..1b998d858 100755
--- a/nuttx/arch/arm/src/stm32/stm32_rcc.c
+++ b/nuttx/arch/arm/src/stm32/stm32_rcc.c
@@ -210,7 +210,7 @@ static inline void rcc_enableapb1(void)
regval |= RCC_APB1ENR_SPI2EN;
#endif
-#if CONFIG_STM32_SPI4
+#if CONFIG_STM32_SPI3
/* SPI 3 clock enable */
regval |= RCC_APB1ENR_SPI3EN;
diff --git a/nuttx/arch/arm/src/stm32/stm32_sdio.c b/nuttx/arch/arm/src/stm32/stm32_sdio.c
index 90b4df6c9..895acbf37 100644
--- a/nuttx/arch/arm/src/stm32/stm32_sdio.c
+++ b/nuttx/arch/arm/src/stm32/stm32_sdio.c
@@ -1,7 +1,7 @@
/****************************************************************************
* arch/arm/src/stm32/stm32_sdio.c
*
- * Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ * Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@@ -1415,13 +1415,15 @@ static void stm32_clock(FAR struct sdio_dev_s *dev, enum sdio_clock_e rate)
clckr = SDIO_CLKCR_MMCXFR;
break;
- case CLOCK_SD_TRANSFER_1BIT: /* SD normal operation clocking (narrow 1-bit mode) */
- clckr = SDIO_CLCKR_SDXFR;
- break;
-
case CLOCK_SD_TRANSFER_4BIT: /* SD normal operation clocking (wide 4-bit mode) */
+#ifndef CONFIG_SDIO_WIDTH_D1_ONLY
clckr = SDIO_CLCKR_SDWIDEXFR;
break;
+#endif
+
+ case CLOCK_SD_TRANSFER_1BIT: /* SD normal operation clocking (narrow 1-bit mode) */
+ clckr = SDIO_CLCKR_SDXFR;
+ break;
};
/* Set the new clock frequency and make sure that the clock is enabled or
@@ -2531,9 +2533,11 @@ FAR struct sdio_dev_s *sdio_initialize(int slotno)
*/
stm32_configgpio(GPIO_SDIO_D0);
+#ifndef CONFIG_SDIO_WIDTH_D1_ONLY
stm32_configgpio(GPIO_SDIO_D1);
stm32_configgpio(GPIO_SDIO_D2);
stm32_configgpio(GPIO_SDIO_D3);
+#endif
stm32_configgpio(GPIO_SDIO_CK);
stm32_configgpio(GPIO_SDIO_CMD);
diff --git a/nuttx/arch/arm/src/stm32/stm32_spi.c b/nuttx/arch/arm/src/stm32/stm32_spi.c
index d04b1aef0..1317ef094 100755
--- a/nuttx/arch/arm/src/stm32/stm32_spi.c
+++ b/nuttx/arch/arm/src/stm32/stm32_spi.c
@@ -1,7 +1,7 @@
/************************************************************************************
* arm/arm/src/stm32/stm32_spi.c
*
- * Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
+ * Copyright (C) 2009-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@@ -760,6 +760,13 @@ static uint32_t spi_setfrequency(FAR struct spi_dev_s *dev, uint32_t frequency)
uint16_t setbits;
uint32_t actual;
+ /* Limit to max possible (if STM32_SPI_CLK_MAX is defined in board.h) */
+
+ if (frequency > STM32_SPI_CLK_MAX)
+ {
+ frequency = STM32_SPI_CLK_MAX;
+ }
+
/* Has the frequency changed? */
#ifndef CONFIG_SPI_OWNBUS
@@ -1286,7 +1293,7 @@ FAR struct spi_dev_s *up_spiinitialize(int port)
flags = irqsave();
#ifdef CONFIG_STM32_SPI1
- if (port == 0)
+ if (port == 1)
{
uint32_t mapr;
@@ -1317,7 +1324,7 @@ FAR struct spi_dev_s *up_spiinitialize(int port)
else
#endif
#ifdef CONFIG_STM32_SPI2
- if (port == 1)
+ if (port == 2)
{
/* Select SPI2 */
diff --git a/nuttx/arch/arm/src/stm32/stm32_spi.h b/nuttx/arch/arm/src/stm32/stm32_spi.h
index 2d4721745..4ff4f1c42 100755
--- a/nuttx/arch/arm/src/stm32/stm32_spi.h
+++ b/nuttx/arch/arm/src/stm32/stm32_spi.h
@@ -1,158 +1,170 @@
-/************************************************************************************
- * arch/arm/src/stm32/stm32_spi.h
- *
- * Copyright (C) 2009 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ************************************************************************************/
-
-#ifndef __ARCH_ARM_STC_STM32_STM32_SPI_H
-#define __ARCH_ARM_STC_STM32_STM32_SPI_H
-
-/************************************************************************************
- * Included Files
- ************************************************************************************/
-
-#include <nuttx/config.h>
-
-#include "chip.h"
-
-/************************************************************************************
- * Pre-processor Definitions
- ************************************************************************************/
-
-/* Register Offsets *****************************************************************/
-
-#define STM32_SPI_CR1_OFFSET 0x0000 /* SPI Control Register 1 (16-bit) */
-#define STM32_SPI_CR2_OFFSET 0x0004 /* SPI control register 2 (16-bit) */
-#define STM32_SPI_SR_OFFSET 0x0008 /* SPI status register (16-bit) */
-#define STM32_SPI_DR_OFFSET 0x000c /* SPI data register (16-bit) */
-#define STM32_SPI_CRCPR_OFFSET 0x0010 /* SPI CRC polynomial register (16-bit) */
-#define STM32_SPI_RXCRCR_OFFSET 0x0014 /* SPI Rx CRC register (16-bit) */
-#define STM32_SPI_TXCRCR_OFFSET 0x0018 /* SPI Tx CRC register (16-bit) */
-
-/* Register Addresses ***************************************************************/
-
-#if STM32_NSPI > 0
-# define STM32_SPI1_CR1 (STM32_SPI1_BASE+STM32_SPI_CR1_OFFSET)
-# define STM32_SPI1_CR2 (STM32_SPI1_BASE+STM32_SPI_CR2_OFFSET)
-# define STM32_SPI1_SR (STM32_SPI1_BASE+STM32_SPI_SR_OFFSET)
-# define STM32_SPI1_DR (STM32_SPI1_BASE+STM32_SPI_DR_OFFSET)
-# define STM32_SPI1_CRCPR (STM32_SPI1_BASE+STM32_SPI_CRCPR_OFFSET)
-# define STM32_SPI1_RXCRCR (STM32_SPI1_BASE+STM32_SPI_RXCRCR_OFFSET)
-# define STM32_SPI1_TXCRCR (STM32_SPI1_BASE+STM32_SPI_TXCRCR_OFFSET)
-#endif
-
-#if STM32_NSPI > 1
-# define STM32_SPI2_CR1 (STM32_SPI2_BASE+STM32_SPI_CR1_OFFSET)
-# define STM32_SPI2_CR2 (STM32_SPI2_BASE+STM32_SPI_CR2_OFFSET)
-# define STM32_SPI2_SR (STM32_SPI2_BASE+STM32_SPI_SR_OFFSET)
-# define STM32_SPI2_DR (STM32_SPI2_BASE+STM32_SPI_DR_OFFSET)
-# define STM32_SPI2_CRCPR (STM32_SPI2_BASE+STM32_SPI_CRCPR_OFFSET)
-# define STM32_SPI2_RXCRCR (STM32_SPI2_BASE+STM32_SPI_RXCRCR_OFFSET)
-# define STM32_SPI2_TXCRCR (STM32_SPI2_BASE+STM32_SPI_TXCRCR_OFFSET)
-#endif
-
-/* Register Bitfield Definitions ****************************************************/
-
-/* SPI Control Register 1 */
-
-#define SPI_CR1_CPHA (1 << 0) /* Bit 0: Clock Phase */
-#define SPI_CR1_CPOL (1 << 1) /* Bit 1: Clock Polarity */
-#define SPI_CR1_MSTR (1 << 2) /* Bit 2: Master Selection */
-#define SPI_CR1_BR_SHIFT (3) /* Bits 5:3 Baud Rate Control */
-#define SPI_CR1_BR_MASK (7 << SPI_CR1_BR_SHIFT)
-# define SPI_CR1_FPCLCKd2 (0 << SPI_CR1_BR_SHIFT) /* 000: fPCLK/2 */
-# define SPI_CR1_FPCLCKd4 (1 << SPI_CR1_BR_SHIFT) /* 001: fPCLK/4 */
-# define SPI_CR1_FPCLCKd8 (2 << SPI_CR1_BR_SHIFT) /* 010: fPCLK/8 */
-# define SPI_CR1_FPCLCKd16 (3 << SPI_CR1_BR_SHIFT) /* 011: fPCLK/16 */
-# define SPI_CR1_FPCLCKd32 (4 << SPI_CR1_BR_SHIFT) /* 100: fPCLK/32 */
-# define SPI_CR1_FPCLCKd64 (5 << SPI_CR1_BR_SHIFT) /* 101: fPCLK/64 */
-# define SPI_CR1_FPCLCKd128 (6 << SPI_CR1_BR_SHIFT) /* 110: fPCLK/128 */
-# define SPI_CR1_FPCLCKd256 (7 << SPI_CR1_BR_SHIFT) /* 111: fPCLK/256 */
-#define SPI_CR1_SPE (1 << 6) /* Bit 6: SPI Enable */
-#define SPI_CR1_LSBFIRST (1 << 7) /* Bit 7: Frame Format */
-#define SPI_CR1_SSI (1 << 8) /* Bit 8: Internal slave select */
-#define SPI_CR1_SSM (1 << 9) /* Bit 9: Software slave management */
-#define SPI_CR1_RXONLY (1 << 10) /* Bit 10: Receive only */
-#define SPI_CR1_DFF (1 << 11) /* Bit 11: Data Frame Format */
-#define SPI_CR1_CRCNEXT (1 << 12) /* Bit 12: Transmit CRC next */
-#define SPI_CR1_CRCEN (1 << 13) /* Bit 13: Hardware CRC calculation enable */
-#define SPI_CR1_BIDIOE (1 << 14) /* Bit 14: Output enable in bidirectional mode */
-#define SPI_CR1_BIDIMODE (1 << 15) /* Bit 15: Bidirectional data mode enable */
-
-/* SPI Control Register 2 */
-
-#define SPI_CR2_RXDMAEN (1 << 0) /* Bit 0: Rx Buffer DMA Enable */
-#define SPI_CR2_TXDMAEN (1 << 1) /* Bit 1: Tx Buffer DMA Enable */
-#define SPI_CR2_SSOE (1 << 2) /* Bit 2: SS Output Enable */
-#define SPI_CR2_ERRIE (1 << 5) /* Bit 5: Error interrupt enable */
-#define SPI_CR2_RXNEIE (1 << 6) /* Bit 6: RX buffer not empty interrupt enable */
-#define SPI_CR2_TXEIE (1 << 7) /* Bit 7: Tx buffer empty interrupt enable */
-
-/* SPI status register */
-
-#define SPI_SR_RXNE (1 << 0) /* Bit 0: Receive buffer not empty */
-#define SPI_SR_TXE (1 << 1) /* Bit 1: Transmit buffer empty */
-#define SPI_SR_CRCERR (1 << 4) /* Bit 4: CRC error flag */
-#define SPI_SR_MODF (1 << 5) /* Bit 5: Mode fault */
-#define SPI_SR_OVR (1 << 6) /* Bit 6: Overrun flag */
-#define SPI_SR_BSY (1 << 7) /* Bit 7: Busy flag */
-
-/************************************************************************************
- * Public Types
- ************************************************************************************/
-
-/************************************************************************************
- * Public Data
- ************************************************************************************/
-
-#ifndef __ASSEMBLY__
-
-#undef EXTERN
-#if defined(__cplusplus)
-#define EXTERN extern "C"
-extern "C" {
-#else
-#define EXTERN extern
-#endif
-
-/************************************************************************************
- * Public Functions
- ************************************************************************************/
-
-#undef EXTERN
-#if defined(__cplusplus)
-}
-#endif
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* __ARCH_ARM_STC_STM32_STM32_SPI_H */
+/************************************************************************************
+ * arch/arm/src/stm32/stm32_spi.h
+ *
+ * Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+#ifndef __ARCH_ARM_STC_STM32_STM32_SPI_H
+#define __ARCH_ARM_STC_STM32_STM32_SPI_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+#include "chip.h"
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+#define STM32_SPI_CLK_MAX 18000000UL /* Maximum allowed speed as per specifications for all SPIs */
+
+/* Register Offsets *****************************************************************/
+
+#define STM32_SPI_CR1_OFFSET 0x0000 /* SPI Control Register 1 (16-bit) */
+#define STM32_SPI_CR2_OFFSET 0x0004 /* SPI control register 2 (16-bit) */
+#define STM32_SPI_SR_OFFSET 0x0008 /* SPI status register (16-bit) */
+#define STM32_SPI_DR_OFFSET 0x000c /* SPI data register (16-bit) */
+#define STM32_SPI_CRCPR_OFFSET 0x0010 /* SPI CRC polynomial register (16-bit) */
+#define STM32_SPI_RXCRCR_OFFSET 0x0014 /* SPI Rx CRC register (16-bit) */
+#define STM32_SPI_TXCRCR_OFFSET 0x0018 /* SPI Tx CRC register (16-bit) */
+
+/* Register Addresses ***************************************************************/
+
+#if STM32_NSPI > 0
+# define STM32_SPI1_CR1 (STM32_SPI1_BASE+STM32_SPI_CR1_OFFSET)
+# define STM32_SPI1_CR2 (STM32_SPI1_BASE+STM32_SPI_CR2_OFFSET)
+# define STM32_SPI1_SR (STM32_SPI1_BASE+STM32_SPI_SR_OFFSET)
+# define STM32_SPI1_DR (STM32_SPI1_BASE+STM32_SPI_DR_OFFSET)
+# define STM32_SPI1_CRCPR (STM32_SPI1_BASE+STM32_SPI_CRCPR_OFFSET)
+# define STM32_SPI1_RXCRCR (STM32_SPI1_BASE+STM32_SPI_RXCRCR_OFFSET)
+# define STM32_SPI1_TXCRCR (STM32_SPI1_BASE+STM32_SPI_TXCRCR_OFFSET)
+#endif
+
+#if STM32_NSPI > 1
+# define STM32_SPI2_CR1 (STM32_SPI2_BASE+STM32_SPI_CR1_OFFSET)
+# define STM32_SPI2_CR2 (STM32_SPI2_BASE+STM32_SPI_CR2_OFFSET)
+# define STM32_SPI2_SR (STM32_SPI2_BASE+STM32_SPI_SR_OFFSET)
+# define STM32_SPI2_DR (STM32_SPI2_BASE+STM32_SPI_DR_OFFSET)
+# define STM32_SPI2_CRCPR (STM32_SPI2_BASE+STM32_SPI_CRCPR_OFFSET)
+# define STM32_SPI2_RXCRCR (STM32_SPI2_BASE+STM32_SPI_RXCRCR_OFFSET)
+# define STM32_SPI2_TXCRCR (STM32_SPI2_BASE+STM32_SPI_TXCRCR_OFFSET)
+#endif
+
+#if STM32_NSPI > 2
+# define STM32_SPI3_CR1 (STM32_SPI3_BASE+STM32_SPI_CR1_OFFSET)
+# define STM32_SPI3_CR2 (STM32_SPI3_BASE+STM32_SPI_CR2_OFFSET)
+# define STM32_SPI3_SR (STM32_SPI3_BASE+STM32_SPI_SR_OFFSET)
+# define STM32_SPI3_DR (STM32_SPI3_BASE+STM32_SPI_DR_OFFSET)
+# define STM32_SPI3_CRCPR (STM32_SPI3_BASE+STM32_SPI_CRCPR_OFFSET)
+# define STM32_SPI3_RXCRCR (STM32_SPI3_BASE+STM32_SPI_RXCRCR_OFFSET)
+# define STM32_SPI3_TXCRCR (STM32_SPI3_BASE+STM32_SPI_TXCRCR_OFFSET)
+#endif
+
+/* Register Bitfield Definitions ****************************************************/
+
+/* SPI Control Register 1 */
+
+#define SPI_CR1_CPHA (1 << 0) /* Bit 0: Clock Phase */
+#define SPI_CR1_CPOL (1 << 1) /* Bit 1: Clock Polarity */
+#define SPI_CR1_MSTR (1 << 2) /* Bit 2: Master Selection */
+#define SPI_CR1_BR_SHIFT (3) /* Bits 5:3 Baud Rate Control */
+#define SPI_CR1_BR_MASK (7 << SPI_CR1_BR_SHIFT)
+# define SPI_CR1_FPCLCKd2 (0 << SPI_CR1_BR_SHIFT) /* 000: fPCLK/2 */
+# define SPI_CR1_FPCLCKd4 (1 << SPI_CR1_BR_SHIFT) /* 001: fPCLK/4 */
+# define SPI_CR1_FPCLCKd8 (2 << SPI_CR1_BR_SHIFT) /* 010: fPCLK/8 */
+# define SPI_CR1_FPCLCKd16 (3 << SPI_CR1_BR_SHIFT) /* 011: fPCLK/16 */
+# define SPI_CR1_FPCLCKd32 (4 << SPI_CR1_BR_SHIFT) /* 100: fPCLK/32 */
+# define SPI_CR1_FPCLCKd64 (5 << SPI_CR1_BR_SHIFT) /* 101: fPCLK/64 */
+# define SPI_CR1_FPCLCKd128 (6 << SPI_CR1_BR_SHIFT) /* 110: fPCLK/128 */
+# define SPI_CR1_FPCLCKd256 (7 << SPI_CR1_BR_SHIFT) /* 111: fPCLK/256 */
+#define SPI_CR1_SPE (1 << 6) /* Bit 6: SPI Enable */
+#define SPI_CR1_LSBFIRST (1 << 7) /* Bit 7: Frame Format */
+#define SPI_CR1_SSI (1 << 8) /* Bit 8: Internal slave select */
+#define SPI_CR1_SSM (1 << 9) /* Bit 9: Software slave management */
+#define SPI_CR1_RXONLY (1 << 10) /* Bit 10: Receive only */
+#define SPI_CR1_DFF (1 << 11) /* Bit 11: Data Frame Format */
+#define SPI_CR1_CRCNEXT (1 << 12) /* Bit 12: Transmit CRC next */
+#define SPI_CR1_CRCEN (1 << 13) /* Bit 13: Hardware CRC calculation enable */
+#define SPI_CR1_BIDIOE (1 << 14) /* Bit 14: Output enable in bidirectional mode */
+#define SPI_CR1_BIDIMODE (1 << 15) /* Bit 15: Bidirectional data mode enable */
+
+/* SPI Control Register 2 */
+
+#define SPI_CR2_RXDMAEN (1 << 0) /* Bit 0: Rx Buffer DMA Enable */
+#define SPI_CR2_TXDMAEN (1 << 1) /* Bit 1: Tx Buffer DMA Enable */
+#define SPI_CR2_SSOE (1 << 2) /* Bit 2: SS Output Enable */
+#define SPI_CR2_ERRIE (1 << 5) /* Bit 5: Error interrupt enable */
+#define SPI_CR2_RXNEIE (1 << 6) /* Bit 6: RX buffer not empty interrupt enable */
+#define SPI_CR2_TXEIE (1 << 7) /* Bit 7: Tx buffer empty interrupt enable */
+
+/* SPI status register */
+
+#define SPI_SR_RXNE (1 << 0) /* Bit 0: Receive buffer not empty */
+#define SPI_SR_TXE (1 << 1) /* Bit 1: Transmit buffer empty */
+#define SPI_SR_CRCERR (1 << 4) /* Bit 4: CRC error flag */
+#define SPI_SR_MODF (1 << 5) /* Bit 5: Mode fault */
+#define SPI_SR_OVR (1 << 6) /* Bit 6: Overrun flag */
+#define SPI_SR_BSY (1 << 7) /* Bit 7: Busy flag */
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __ARCH_ARM_STC_STM32_STM32_SPI_H */
diff --git a/nuttx/arch/arm/src/stm32/stm32f103re_pinmap.h b/nuttx/arch/arm/src/stm32/stm32f103re_pinmap.h
index fea301abb..c78f0bd9e 100644
--- a/nuttx/arch/arm/src/stm32/stm32f103re_pinmap.h
+++ b/nuttx/arch/arm/src/stm32/stm32f103re_pinmap.h
@@ -284,17 +284,20 @@
/* SDIO */
#define GPIO_SDIO_D0 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN8)
-#define GPIO_SDIO_D1 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN9)
-#define GPIO_SDIO_D2 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN10)
-#define GPIO_SDIO_D3 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN11)
-#define GPIO_SDIO_D4 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTB|GPIO_PIN8)
-#define GPIO_SDIO_D5 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTB|GPIO_PIN9)
-#define GPIO_SDIO_D6 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN6)
-#define GPIO_SDIO_D7 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN7)
+
+#ifndef CONFIG_SDIO_WIDTH_D1_ONLY
+# define GPIO_SDIO_D1 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN9)
+# define GPIO_SDIO_D2 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN10)
+# define GPIO_SDIO_D3 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN11)
+# define GPIO_SDIO_D4 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTB|GPIO_PIN8)
+# define GPIO_SDIO_D5 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTB|GPIO_PIN9)
+# define GPIO_SDIO_D6 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN6)
+# define GPIO_SDIO_D7 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN7)
+#endif
+
#define GPIO_SDIO_CK (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN12)
#define GPIO_SDIO_CMD (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTD|GPIO_PIN2)
-
/************************************************************************************
* Public Types
************************************************************************************/
diff --git a/nuttx/arch/arm/src/stm32/stm32f103ze_pinmap.h b/nuttx/arch/arm/src/stm32/stm32f103ze_pinmap.h
index 93f7e9d84..6a635a855 100644
--- a/nuttx/arch/arm/src/stm32/stm32f103ze_pinmap.h
+++ b/nuttx/arch/arm/src/stm32/stm32f103ze_pinmap.h
@@ -356,13 +356,17 @@
/* SDIO */
#define GPIO_SDIO_D0 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN8)
-#define GPIO_SDIO_D1 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN9)
-#define GPIO_SDIO_D2 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN10)
-#define GPIO_SDIO_D3 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN11)
-#define GPIO_SDIO_D4 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTB|GPIO_PIN8)
-#define GPIO_SDIO_D5 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTB|GPIO_PIN9)
-#define GPIO_SDIO_D6 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN6)
-#define GPIO_SDIO_D7 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN7)
+
+#ifndef CONFIG_SDIO_WIDTH_D1_ONLY
+# define GPIO_SDIO_D1 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN9)
+# define GPIO_SDIO_D2 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN10)
+# define GPIO_SDIO_D3 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN11)
+# define GPIO_SDIO_D4 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTB|GPIO_PIN8)
+# define GPIO_SDIO_D5 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTB|GPIO_PIN9)
+# define GPIO_SDIO_D6 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN6)
+# define GPIO_SDIO_D7 (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN7)
+#endif
+
#define GPIO_SDIO_CK (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTC|GPIO_PIN12)
#define GPIO_SDIO_CMD (GPIO_ALT|GPIO_CNF_AFPP|GPIO_MODE_50MHz|GPIO_PORTD|GPIO_PIN2)
diff --git a/nuttx/configs/README.txt b/nuttx/configs/README.txt
index 5dddb0c2f..860d2323a 100644
--- a/nuttx/configs/README.txt
+++ b/nuttx/configs/README.txt
@@ -530,6 +530,8 @@ defconfig -- This is a configuration file similar to the Linux
CONFIG_MMCSD_MMCSUPPORT - Enable support for MMC cards
CONFIG_MMCSD_HAVECARDDETECT - SDIO driver card detection is
100% accurate
+ CONFIG_SDIO_WIDTH_D1_ONLY - Select 1-bit transfer mode. Default:
+ 4-bit transfer mode.
RiT P14201 OLED driver
CONFIG_LCD_P14201 - Enable P14201 support
diff --git a/nuttx/configs/stm3210e-eval/README.txt b/nuttx/configs/stm3210e-eval/README.txt
index 2a58577f6..14d7b1ac3 100755
--- a/nuttx/configs/stm3210e-eval/README.txt
+++ b/nuttx/configs/stm3210e-eval/README.txt
@@ -400,6 +400,8 @@ STM3210E-EVAL-specific Configuration Options
CONFIG_SDIO_PRI - Select SDIO interrupt prority. Default: 128
CONFIG_SDIO_DMAPRIO - Select SDIO DMA interrupt priority.
Default: Medium
+ CONFIG_SDIO_WIDTH_D1_ONLY - Select 1-bit transfer mode. Default:
+ 4-bit transfer mode.
Configurations
^^^^^^^^^^^^^^
diff --git a/nuttx/configs/stm3210e-eval/src/up_nsh.c b/nuttx/configs/stm3210e-eval/src/up_nsh.c
index 6c908951f..db36946bd 100755
--- a/nuttx/configs/stm3210e-eval/src/up_nsh.c
+++ b/nuttx/configs/stm3210e-eval/src/up_nsh.c
@@ -148,8 +148,8 @@ int nsh_archinitialize(void)
#ifdef CONFIG_STM32_SPI1
/* Get the SPI port */
- message("nsh_archinitialize: Initializing SPI port 0\n");
- spi = up_spiinitialize(0);
+ message("nsh_archinitialize: Initializing SPI port 1\n");
+ spi = up_spiinitialize(1);
if (!spi)
{
message("nsh_archinitialize: Failed to initialize SPI port 0\n");
diff --git a/nuttx/configs/vsn/README.txt b/nuttx/configs/vsn/README.txt
index 5ade94d18..acdc9f236 100644
--- a/nuttx/configs/vsn/README.txt
+++ b/nuttx/configs/vsn/README.txt
@@ -399,6 +399,8 @@ VSN-specific Configuration Options
CONFIG_SDIO_PRI - Select SDIO interrupt prority. Default: 128
CONFIG_SDIO_DMAPRIO - Select SDIO DMA interrupt priority.
Default: Medium
+ CONFIG_SDIO_WIDTH_D1_ONLY - Select 1-bit transfer mode. Default:
+ 4-bit transfer mode.
Configurations
^^^^^^^^^^^^^^
diff --git a/nuttx/configs/vsn/include/board.h b/nuttx/configs/vsn/include/board.h
index 558dccd91..f4ad540c7 100644
--- a/nuttx/configs/vsn/include/board.h
+++ b/nuttx/configs/vsn/include/board.h
@@ -55,6 +55,16 @@
/************************************************************************************
* Definitions
************************************************************************************/
+
+/* Board Configuration:
+ * - USART1, is the default bootloader and console
+ * - SPI1 is wired to expansion port
+ * - SPI2 is used for radio module
+ * - SPI3 has direct connection with FRAM
+ * - SDCard, conencts the microSD and shares the control lines with Sensor Interface
+ * to select Amplifier Gain
+ * - ...
+ */
/* Clocking *************************************************************************/
@@ -103,33 +113,44 @@
/* 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!!!
+ * to service FIFOs in interrupt driven mode.
+ *
+ * SDcard default speed has max SDIO_CK freq of 25 MHz (12.5 Mbps)
+ * After selection of high speed freq may be 50 MHz (25 Mbps)
+ * Recommended default voltage: 3.3 V
*
- * \todo Not checked yet! Uros.
- * HCLK=36MHz, SDIOCLK=? MHz, SDIO_CK=HCLK/(178+2)=400 KHz
+ * HCLK=36MHz, SDIOCLK=36 MHz, SDIO_CK=HCLK/(88+2)=400 KHz
*/
-#define SDIO_INIT_CLKDIV (178 << SDIO_CLKCR_CLKDIV_SHIFT)
+#define SDIO_INIT_CLKDIV (88 << SDIO_CLKCR_CLKDIV_SHIFT)
-/* DMA ON: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(2+2)=18 MHz
- * DMA OFF: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(3+2)=14.4 MHz
+/* DMA ON: HCLK=36 MHz, SDIOCLK=36MHz, SDIO_CK=HCLK/(0+2)=18 MHz
+ * DMA OFF: HCLK=36 MHz, SDIOCLK=36MHz, SDIO_CK=HCLK/(1+2)=12 MHz
*/
#ifdef CONFIG_SDIO_DMA
-# define SDIO_MMCXFR_CLKDIV (2 << SDIO_CLKCR_CLKDIV_SHIFT)
+# define SDIO_MMCXFR_CLKDIV (0 << SDIO_CLKCR_CLKDIV_SHIFT)
#else
-# define SDIO_MMCXFR_CLKDIV (3 << SDIO_CLKCR_CLKDIV_SHIFT)
+# ifndef CONFIG_DEBUG
+# define SDIO_MMCXFR_CLKDIV (1 << SDIO_CLKCR_CLKDIV_SHIFT)
+# else
+# define SDIO_MMCXFR_CLKDIV (10 << SDIO_CLKCR_CLKDIV_SHIFT)
+# endif
#endif
-/* DMA ON: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(1+2)=24 MHz
- * DMA OFF: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(3+2)=14.4 MHz
+/* DMA ON: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(0+2)=18 MHz
+ * DMA OFF: HCLK=72 MHz, SDIOCLK=72MHz, SDIO_CK=HCLK/(1+2)=12 MHz
+ * Extra slow down in debug mode to get rid of underruns.
*/
#ifdef CONFIG_SDIO_DMA
-# define SDIO_SDXFR_CLKDIV (1 << SDIO_CLKCR_CLKDIV_SHIFT)
+# define SDIO_SDXFR_CLKDIV (0 << SDIO_CLKCR_CLKDIV_SHIFT)
#else
-# define SDIO_SDXFR_CLKDIV (3 << SDIO_CLKCR_CLKDIV_SHIFT)
+# ifndef CONFIG_DEBUG
+# define SDIO_SDXFR_CLKDIV (1 << SDIO_CLKCR_CLKDIV_SHIFT)
+# else
+# define SDIO_SDXFR_CLKDIV (10 << SDIO_CLKCR_CLKDIV_SHIFT)
+# endif
#endif
/* LED definitions ******************************************************************/
@@ -146,8 +167,6 @@
#define LED_PANIC 7 /* ... */
#define LED_IDLE 8 /* shows idle state */
-/* eXternal connector pins */
-
/************************************************************************************
* Public Data
@@ -197,6 +216,11 @@ EXTERN void up_buttoninit(void);
EXTERN uint8_t up_buttons(void);
#endif
+/* Other peripherals startup routines, all returning OK on success */
+EXTERN int up_sdcard(void);
+EXTERN int up_ramtron(void);
+
+
#undef EXTERN
#if defined(__cplusplus)
}
diff --git a/nuttx/configs/vsn/nsh/defconfig b/nuttx/configs/vsn/nsh/defconfig
index ed95f617d..a1eb5ed94 100755
--- a/nuttx/configs/vsn/nsh/defconfig
+++ b/nuttx/configs/vsn/nsh/defconfig
@@ -89,7 +89,7 @@ CONFIG_ARCH_BOOTLOADER=n
CONFIG_ARCH_LEDS=y
CONFIG_ARCH_BUTTONS=y
CONFIG_ARCH_CALIBRATION=n
-CONFIG_ARCH_DMA=y
+CONFIG_ARCH_DMA=n
#
# Identify toolchain and linker options
@@ -105,7 +105,7 @@ CONFIG_STM32_DFU=n
# Individual subsystems can be enabled:
# AHB:
CONFIG_STM32_DMA1=n
-CONFIG_STM32_DMA2=y
+CONFIG_STM32_DMA2=n
CONFIG_STM32_CRC=n
CONFIG_STM32_FSMC=n
CONFIG_STM32_SDIO=y
@@ -117,8 +117,8 @@ CONFIG_STM32_TIM5=n
CONFIG_STM32_TIM6=n
CONFIG_STM32_TIM7=n
CONFIG_STM32_WWDG=n
-CONFIG_STM32_SPI2=n
-CONFIG_STM32_SPI4=n
+CONFIG_STM32_SPI2=y
+CONFIG_STM32_SPI3=y
CONFIG_STM32_USART2=n
CONFIG_STM32_USART3=n
CONFIG_STM32_UART4=n
@@ -329,8 +329,9 @@ CONFIG_HAVE_LIBM=n
#
CONFIG_APP_DIR=examples/nsh
CONFIG_DEBUG=n
-CONFIG_DEBUG_VERBOSE=n
+CONFIG_DEBUG_VERBOSE=y
CONFIG_DEBUG_SYMBOLS=n
+CONFIG_DEBUG_FS=y
CONFIG_MM_REGIONS=1
CONFIG_ARCH_LOWPUTC=y
CONFIG_RR_INTERVAL=200
@@ -465,7 +466,7 @@ CONFIG_PREALLOC_TIMERS=4
# CONFIG_FAT_SECTORSIZE - Max supported sector size
# CONFIG_FS_ROMFS - Enable ROMFS filesystem support
CONFIG_FS_FAT=y
-CONFIG_FS_ROMFS=n
+CONFIG_FS_ROMFS=y
#
# SPI-based MMC/SD driver
@@ -477,8 +478,8 @@ CONFIG_FS_ROMFS=n
# CONFIG_MMCSD_SPICLOCK - Maximum SPI clock to drive MMC/SD card.
# Default is 20MHz.
#
-CONFIG_MMCSD_NSLOTS=1
-CONFIG_MMCSD_READONLY=n
+CONFIG_MMCSD_NSLOTS=0
+CONFIG_MMCSD_READONLY=y
CONFIG_MMCSD_SPICLOCK=12500000
#
@@ -502,8 +503,9 @@ CONFIG_FS_WRITEBUFFER=n
# CONFIG_MMCSD_HAVECARDDETECT
# SDIO driver card detection is 100% accurate
#
-CONFIG_SDIO_DMA=y
-CONFIG_MMCSD_MMCSUPPORT=n
+CONFIG_SDIO_DMA=n
+CONFIG_SDIO_WIDTH_D1_ONLY=y # Added single width support
+CONFIG_MMCSD_MMCSUPPORT=y
CONFIG_MMCSD_HAVECARDDETECT=n
#
@@ -730,7 +732,7 @@ CONFIG_EXAMPLES_NSH_STACKSIZE=2048
CONFIG_EXAMPLES_NSH_NESTDEPTH=3
CONFIG_EXAMPLES_NSH_DISABLESCRIPT=n
CONFIG_EXAMPLES_NSH_DISABLEBG=n
-CONFIG_EXAMPLES_NSH_ROMFSETC=n
+CONFIG_EXAMPLES_NSH_ROMFSETC=y
CONFIG_EXAMPLES_NSH_CONSOLE=y
CONFIG_EXAMPLES_NSH_TELNET=n
CONFIG_EXAMPLES_NSH_ARCHINIT=y
@@ -746,7 +748,7 @@ CONFIG_EXAMPLES_NSH_ROMFSDEVNO=0
CONFIG_EXAMPLES_NSH_ROMFSSECTSIZE=64
CONFIG_EXAMPLES_NSH_FATDEVNO=1
CONFIG_EXAMPLES_NSH_FATSECTSIZE=512
-CONFIG_EXAMPLES_NSH_FATNSECTORS=1024
+CONFIG_EXAMPLES_NSH_FATNSECTORS=40
CONFIG_EXAMPLES_NSH_FATMOUNTPT=/tmp
#
diff --git a/nuttx/configs/vsn/src/Makefile b/nuttx/configs/vsn/src/Makefile
index f6d03d41f..1a2005d60 100644
--- a/nuttx/configs/vsn/src/Makefile
+++ b/nuttx/configs/vsn/src/Makefile
@@ -43,13 +43,14 @@ CFLAGS += -I$(TOPDIR)/sched
ASRCS =
AOBJS = $(ASRCS:.S=$(OBJEXT))
-CSRCS = up_sysclock.c up_boot.c up_leds.c up_buttons.c up_spi.c up_usbdev.c
+CSRCS = sysclock.c boot.c leds.c buttons.c spi.c \
+ usbdev.c sdcard.c ramtron.c power.c
ifeq ($(CONFIG_EXAMPLES_NSH_ARCHINIT),y)
-CSRCS += up_nsh.c
+CSRCS += nsh.c
endif
ifeq ($(CONFIG_APP_DIR),examples/usbstorage)
-CSRCS += up_usbstrg.c
+CSRCS += usbstrg.c
endif
COBJS = $(CSRCS:.c=$(OBJEXT))
diff --git a/nuttx/configs/vsn/src/README.txt b/nuttx/configs/vsn/src/README.txt
new file mode 100644
index 000000000..bacf82c17
--- /dev/null
+++ b/nuttx/configs/vsn/src/README.txt
@@ -0,0 +1,12 @@
+
+The directory contains start-up and board level functions.
+Execution starts in the following order:
+
+ - sysclock, immediately after reset stm32_rcc calls external
+ clock configuration when
+ CONFIG_ARCH_BOARD_STM32_CUSTOM_CLOCKCONFIG=y
+ is set. It must be set for the VSN board.
+
+ - boot, performs initial chip and board initialization
+ - ...
+ - nsh, as central application last.
diff --git a/nuttx/configs/vsn/src/up_boot.c b/nuttx/configs/vsn/src/boot.c
index df05a10bf..2f959333d 100644
--- a/nuttx/configs/vsn/src/up_boot.c
+++ b/nuttx/configs/vsn/src/boot.c
@@ -1,6 +1,6 @@
/************************************************************************************
- * configs/vsn/src/up_boot.c
- * arch/arm/src/board/up_boot.c
+ * configs/vsn/src/boot.c
+ * arch/arm/src/board/boot.c
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Copyright (c) 2011 Uros Platise. All rights reserved.
@@ -47,8 +47,9 @@
#include <arch/board/board.h>
+#include "stm32_gpio.h"
#include "up_arch.h"
-#include "vsn-internal.h"
+#include "vsn.h"
/************************************************************************************
* Definitions
@@ -74,15 +75,24 @@
void stm32_boardinitialize(void)
{
+#ifdef CONFIG_STM32_SPI3
+#warning JTAG Port Disabled as SPI3 NVRAM/FRAM support is enabled
+
+ uint32_t val = getreg32(STM32_AFIO_MAPR);
+ val &= 0x00FFFFFF; // clear undefined readings ...
+ val |= AFIO_MAPR_DISAB; // set JTAG-DP and SW-DP Disabled
+ putreg32(val, STM32_AFIO_MAPR);
+#endif
+
+ // Set Board Voltage to 3.3 V
+ board_power_setbootvoltage();
+
/* Configure SPI chip selects if 1) SPI is not disabled, and 2) the weak function
* stm32_spiinitialize() has been brought into the link.
*/
-#if defined(CONFIG_STM32_SPI1) || defined(CONFIG_STM32_SPI2)
- if (stm32_spiinitialize)
- {
- stm32_spiinitialize();
- }
+#if defined(CONFIG_STM32_SPI1) || defined(CONFIG_STM32_SPI2) || defined(CONFIG_STM32_SPI3)
+ if (stm32_spiinitialize) stm32_spiinitialize();
#endif
/* Initialize USB is 1) USBDEV is selected, 2) the USB controller is not
@@ -91,10 +101,7 @@ void stm32_boardinitialize(void)
*/
#if defined(CONFIG_USBDEV) && defined(CONFIG_STM32_USB)
- if (stm32_usbinitialize)
- {
- stm32_usbinitialize();
- }
+ if (stm32_usbinitialize) stm32_usbinitialize();
#endif
/* Configure on-board LEDs if LED support has been selected. */
diff --git a/nuttx/configs/vsn/src/up_buttons.c b/nuttx/configs/vsn/src/buttons.c
index 27284a8d0..3025b373c 100644
--- a/nuttx/configs/vsn/src/up_buttons.c
+++ b/nuttx/configs/vsn/src/buttons.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * configs/vsn-1.2/src/up_buttons.c
+ * configs/vsn/src/buttons.c
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Copyright (C) 2011 Uros Platise. All rights reserved.
@@ -43,7 +43,7 @@
#include <nuttx/config.h>
#include <stdint.h>
#include <arch/board/board.h>
-#include "vsn-internal.h"
+#include "vsn.h"
#ifdef CONFIG_ARCH_BUTTONS
diff --git a/nuttx/configs/vsn/src/up_leds.c b/nuttx/configs/vsn/src/leds.c
index a936aac2e..ef3c87144 100644
--- a/nuttx/configs/vsn/src/up_leds.c
+++ b/nuttx/configs/vsn/src/leds.c
@@ -1,6 +1,6 @@
/****************************************************************************
- * configs/vsn-1.2/src/up_leds.c
- * arch/arm/src/board/up_leds.c
+ * configs/vsn/src/leds.c
+ * arch/arm/src/board/leds.c
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Copyright (C) 2011 Uros Platise. All rights reserved.
@@ -48,7 +48,7 @@
#include <debug.h>
#include <arch/board/board.h>
-#include "vsn-internal.h"
+#include "vsn.h"
/****************************************************************************
* Definitions
diff --git a/nuttx/configs/vsn/src/nsh.c b/nuttx/configs/vsn/src/nsh.c
new file mode 100644
index 000000000..96f9f3d4d
--- /dev/null
+++ b/nuttx/configs/vsn/src/nsh.c
@@ -0,0 +1,89 @@
+/****************************************************************************
+ * config/vsn/src/nsh.c
+ * arch/arm/src/board/nsh.c
+ *
+ * Copyright (C) 2011 Uros Platise. All rights reserved.
+ * Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *
+ * Authors: Uros Platise <uros.platise@isotel.eu>
+ * Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <debug.h>
+#include <errno.h>
+
+#include "vsn.h"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/* Configuration ************************************************************/
+
+/* PORT and SLOT number probably depend on the board configuration */
+
+#define CONFIG_EXAMPLES_NSH_HAVEUSBDEV 1
+
+/* Can't support USB features if USB is not enabled */
+
+#ifndef CONFIG_USBDEV
+# undef CONFIG_EXAMPLES_NSH_HAVEUSBDEV
+#endif
+
+
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nsh_archinitialize
+ *
+ * Description:
+ * Perform architecture specific initialization
+ *
+ ****************************************************************************/
+
+int nsh_archinitialize(void)
+{
+ up_ramtron();
+ up_sdcard();
+
+ return OK;
+}
diff --git a/nuttx/configs/vsn/src/power.c b/nuttx/configs/vsn/src/power.c
new file mode 100644
index 000000000..2e23ed033
--- /dev/null
+++ b/nuttx/configs/vsn/src/power.c
@@ -0,0 +1,57 @@
+/****************************************************************************
+ * config/vsn/src/ramtron.c
+ * arch/arm/src/board/ramtron.c
+ *
+ * Copyright (C) 2011 Uros Platise. All rights reserved.
+ *
+ * Authors: Uros Platise <uros.platise@isotel.eu>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <debug.h>
+
+#include <arch/board/board.h>
+#include "vsn.h"
+
+void board_power_register(void);
+void board_power_adjust(void);
+void board_power_status(void);
+
+void board_power_setbootvoltage(void)
+{
+ stm32_configgpio(GPIO_PVS);
+}
+
+void board_power_reboot(void);
+void board_power_off(void);
diff --git a/nuttx/configs/vsn/src/ramtron.c b/nuttx/configs/vsn/src/ramtron.c
new file mode 100644
index 000000000..545289f7c
--- /dev/null
+++ b/nuttx/configs/vsn/src/ramtron.c
@@ -0,0 +1,87 @@
+/****************************************************************************
+ * config/vsn/src/ramtron.c
+ * arch/arm/src/board/ramtron.c
+ *
+ * Copyright (C) 2011 Uros Platise. All rights reserved.
+ * Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *
+ * Authors: Uros Platise <uros.platise@isotel.eu>
+ * Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <debug.h>
+#include <errno.h>
+
+#ifdef CONFIG_STM32_SPI3
+# include <nuttx/spi.h>
+# include <nuttx/mtd.h>
+#endif
+
+#include "vsn.h"
+
+
+
+int up_ramtron(void)
+{
+#ifdef CONFIG_STM32_SPI3
+ FAR struct spi_dev_s *spi;
+ FAR struct mtd_dev_s *mtd;
+ int retval;
+
+ /* Get the SPI port */
+
+ message("nsh_archinitialize: Initializing SPI port 3\n");
+ spi = up_spiinitialize(3);
+ if (!spi)
+ {
+ message("nsh_archinitialize: Failed to initialize SPI port 3\n");
+ return -ENODEV;
+ }
+ message("nsh_archinitialize: Successfully initialized SPI port 3\n");
+
+ message("nsh_archinitialize: Bind SPI to the SPI flash driver\n");
+ mtd = ramtron_initialize(spi);
+ if (!mtd)
+ {
+ message("nsh_archinitialize: Failed to bind SPI port 0 to the SPI FLASH driver\n");
+ return -ENODEV;
+ }
+ message("nsh_archinitialize: Successfully bound SPI port 0 to the SPI FLASH driver\n");
+
+ retval = ftl_initialize(0,NULL, mtd);
+ message("FTL returned with %d\n", retval);
+#endif
+ return OK;
+}
diff --git a/nuttx/configs/vsn/src/sdcard.c b/nuttx/configs/vsn/src/sdcard.c
new file mode 100644
index 000000000..3b20913df
--- /dev/null
+++ b/nuttx/configs/vsn/src/sdcard.c
@@ -0,0 +1,120 @@
+/****************************************************************************
+ * config/vsn/src/sdcard.c
+ * arch/arm/src/board/sdcard.c
+ *
+ * Copyright (C) 2011 Uros Platise. All rights reserved.
+ * Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *
+ * Authors: Uros Platise <uros.platise@isotel.eu>
+ * Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <debug.h>
+#include <errno.h>
+
+#ifdef CONFIG_STM32_SDIO
+# include <nuttx/sdio.h>
+# include <nuttx/mmcsd.h>
+#endif
+
+#include "vsn.h"
+
+
+#define CONFIG_EXAMPLES_NSH_HAVEMMCSD 1
+#if defined(CONFIG_EXAMPLES_NSH_MMCSDSLOTNO) && CONFIG_EXAMPLES_NSH_MMCSDSLOTNO != 0
+# error "Only one MMC/SD slot"
+# undef CONFIG_EXAMPLES_NSH_MMCSDSLOTNO
+#endif
+#ifndef CONFIG_EXAMPLES_NSH_MMCSDSLOTNO
+# define CONFIG_EXAMPLES_NSH_MMCSDSLOTNO 0
+#endif
+
+/* Can't support MMC/SD features if mountpoints are disabled or if SDIO support
+ * is not enabled.
+ */
+
+#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_STM32_SDIO)
+# undef CONFIG_EXAMPLES_NSH_HAVEMMCSD
+#endif
+
+#ifndef CONFIG_EXAMPLES_NSH_MMCSDMINOR
+# define CONFIG_EXAMPLES_NSH_MMCSDMINOR 0
+#endif
+
+
+
+int up_sdcard(void)
+{
+ /* Mount the SDIO-based MMC/SD block driver */
+
+#ifdef CONFIG_EXAMPLES_NSH_HAVEMMCSD
+
+ FAR struct sdio_dev_s *sdio;
+ int ret;
+
+ /* First, get an instance of the SDIO interface */
+
+ message("nsh_archinitialize: Initializing SDIO slot %d\n",
+ CONFIG_EXAMPLES_NSH_MMCSDSLOTNO);
+ sdio = sdio_initialize(CONFIG_EXAMPLES_NSH_MMCSDSLOTNO);
+ if (!sdio)
+ {
+ message("nsh_archinitialize: Failed to initialize SDIO slot %d\n",
+ CONFIG_EXAMPLES_NSH_MMCSDSLOTNO);
+ return -ENODEV;
+ }
+
+ /* Now bind the SPI interface to the MMC/SD driver */
+
+ message("nsh_archinitialize: Bind SDIO to the MMC/SD driver, minor=%d\n",
+ CONFIG_EXAMPLES_NSH_MMCSDMINOR);
+ ret = mmcsd_slotinitialize(CONFIG_EXAMPLES_NSH_MMCSDMINOR, sdio);
+ if (ret != OK)
+ {
+ message("nsh_archinitialize: Failed to bind SDIO to the MMC/SD driver: %d\n", ret);
+ return ret;
+ }
+ message("nsh_archinitialize: Successfully bound SDIO to the MMC/SD driver\n");
+
+ /* Then let's guess and say that there is a card in the slot. I need to check to
+ * see if the VSN board supports a GPIO to detect if there is a card in
+ * the slot.
+ */
+ sdio_mediachange(sdio, true);
+
+#endif
+ return OK;
+}
+
diff --git a/nuttx/configs/vsn/src/up_spi.c b/nuttx/configs/vsn/src/spi.c
index bfc5f8682..742fcfd41 100644
--- a/nuttx/configs/vsn/src/up_spi.c
+++ b/nuttx/configs/vsn/src/spi.c
@@ -1,6 +1,6 @@
/************************************************************************************
- * configs/vsn/src/up_spi.c
- * arch/arm/src/board/up_spi.c
+ * configs/vsn/src/spi.c
+ * arch/arm/src/board/spi.c
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Copyright (C) 2011 Uros Platise. All rights reserved.
@@ -42,20 +42,20 @@
************************************************************************************/
#include <nuttx/config.h>
+#include <nuttx/spi.h>
+#include <arch/board/board.h>
#include <stdint.h>
#include <stdbool.h>
#include <debug.h>
-#include <nuttx/spi.h>
-#include <arch/board/board.h>
-
#include "up_arch.h"
#include "chip.h"
+#include "stm32_gpio.h"
#include "stm32_internal.h"
-#include "vsn-internal.h"
+#include "vsn.h"
-#if defined(CONFIG_STM32_SPI1) || defined(CONFIG_STM32_SPI2)
+#if defined(CONFIG_STM32_SPI1) || defined(CONFIG_STM32_SPI2) || defined(CONFIG_STM32_SPI3)
/************************************************************************************
* Definitions
@@ -97,16 +97,15 @@
void weak_function stm32_spiinitialize(void)
{
- /* NOTE: Clocking for SPI1 and/or SPI2 was already provided in stm32_rcc.c.
+ /* NOTE: Clocking for SPI1 and/or SPI2 and SPI3 was already provided in stm32_rcc.c.
* Configurations of SPI pins is performed in stm32_spi.c.
- * Here, we only initialize chip select pins unique to the board
- * architecture.
+ * Here, we only initialize chip select pins unique to the board architecture.
*/
-#ifdef CONFIG_STM32_SPI1
- /* Configure the SPI-based FLASH CS GPIO */
+#ifdef CONFIG_STM32_SPI3
- stm32_configgpio(GPIO_FLASH_CS);
+ // Configure the SPI-based FRAM CS GPIO
+ stm32_configgpio(GPIO_FRAM_CS);
#endif
}
@@ -139,13 +138,6 @@ void weak_function stm32_spiinitialize(void)
void stm32_spi1select(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected)
{
spidbg("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert");
-
- if (devid == SPIDEV_FLASH)
- {
- /* Set the GPIO low to select and high to de-select */
-
- stm32_gpiowrite(GPIO_FLASH_CS, !selected);
- }
}
uint8_t stm32_spi1status(FAR struct spi_dev_s *dev, enum spi_dev_e devid)
@@ -170,6 +162,11 @@ uint8_t stm32_spi2status(FAR struct spi_dev_s *dev, enum spi_dev_e devid)
void stm32_spi3select(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected)
{
spidbg("devid: %d CS: %s\n", (int)devid, selected ? "assert" : "de-assert");
+ if (devid == SPIDEV_FLASH)
+ {
+ /* Set the GPIO low to select and high to de-select */
+ stm32_gpiowrite(GPIO_FRAM_CS, !selected);
+ }
}
uint8_t stm32_spi3status(FAR struct spi_dev_s *dev, enum spi_dev_e devid)
diff --git a/nuttx/configs/vsn/src/up_sysclock.c b/nuttx/configs/vsn/src/sysclock.c
index c93b251c1..f812dd2c1 100644
--- a/nuttx/configs/vsn/src/up_sysclock.c
+++ b/nuttx/configs/vsn/src/sysclock.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * configs/vsn-1.2/src/up_sysclock.c
+ * configs/vsn/src/sysclock.c
*
* Copyright (C) 2011 Uros Platise. All rights reserved.
*
diff --git a/nuttx/configs/vsn/src/up_nsh.c b/nuttx/configs/vsn/src/up_nsh.c
deleted file mode 100644
index 323e91a44..000000000
--- a/nuttx/configs/vsn/src/up_nsh.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/****************************************************************************
- * config/vsn/src/up_nsh.c
- * arch/arm/src/board/up_nsh.c
- *
- * Copyright (C) 2009 Gregory Nutt. All rights reserved.
- * Copyright (C) 2011 Uros Platise. All rights reserved.
- *
- * Authors: Gregory Nutt <spudmonkey@racsa.co.cr>
- * Uros Platise <uros.platise@isotel.eu>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <stdbool.h>
-#include <stdio.h>
-#include <debug.h>
-#include <errno.h>
-
-#ifdef CONFIG_STM32_SPI1
-# include <nuttx/spi.h>
-# include <nuttx/mtd.h>
-#endif
-
-#ifdef CONFIG_STM32_SDIO
-# include <nuttx/sdio.h>
-# include <nuttx/mmcsd.h>
-#endif
-
-#include "vsn-internal.h"
-
-/****************************************************************************
- * Pre-Processor Definitions
- ****************************************************************************/
-
-/* Configuration ************************************************************/
-
-/* For now, don't build in any SPI1 support -- NSH is not using it */
-
-#undef CONFIG_STM32_SPI1
-
-/* PORT and SLOT number probably depend on the board configuration */
-
-#ifdef CONFIG_ARCH_BOARD_VSN
-# define CONFIG_EXAMPLES_NSH_HAVEUSBDEV 1
-# define CONFIG_EXAMPLES_NSH_HAVEMMCSD 1
-# if defined(CONFIG_EXAMPLES_NSH_MMCSDSLOTNO) && CONFIG_EXAMPLES_NSH_MMCSDSLOTNO != 0
-# error "Only one MMC/SD slot"
-# undef CONFIG_EXAMPLES_NSH_MMCSDSLOTNO
-# endif
-# ifndef CONFIG_EXAMPLES_NSH_MMCSDSLOTNO
-# define CONFIG_EXAMPLES_NSH_MMCSDSLOTNO 0
-# endif
-#else
- /* Add configuration for new STM32 boards here */
-# undef CONFIG_EXAMPLES_NSH_HAVEUSBDEV
-# undef CONFIG_EXAMPLES_NSH_HAVEMMCSD
-#endif
-
-/* Can't support USB features if USB is not enabled */
-
-#ifndef CONFIG_USBDEV
-# undef CONFIG_EXAMPLES_NSH_HAVEUSBDEV
-#endif
-
-/* Can't support MMC/SD features if mountpoints are disabled or if SDIO support
- * is not enabled.
- */
-
-#if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_STM32_SDIO)
-# undef CONFIG_EXAMPLES_NSH_HAVEMMCSD
-#endif
-
-#ifndef CONFIG_EXAMPLES_NSH_MMCSDMINOR
-# define CONFIG_EXAMPLES_NSH_MMCSDMINOR 0
-#endif
-
-/* Debug ********************************************************************/
-
-#ifdef CONFIG_CPP_HAVE_VARARGS
-# ifdef CONFIG_DEBUG
-# define message(...) lib_lowprintf(__VA_ARGS__)
-# else
-# define message(...) printf(__VA_ARGS__)
-# endif
-#else
-# ifdef CONFIG_DEBUG
-# define message lib_lowprintf
-# else
-# define message printf
-# endif
-#endif
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: nsh_archinitialize
- *
- * Description:
- * Perform architecture specific initialization
- *
- ****************************************************************************/
-
-int nsh_archinitialize(void)
-{
-#ifdef CONFIG_STM32_SPI1
- FAR struct spi_dev_s *spi;
- FAR struct mtd_dev_s *mtd;
-#endif
-#ifdef CONFIG_EXAMPLES_NSH_HAVEMMCSD
- FAR struct sdio_dev_s *sdio;
- int ret;
-#endif
-
- /* Configure SPI-based devices */
-
-#ifdef CONFIG_STM32_SPI1
- /* Get the SPI port */
-
- message("nsh_archinitialize: Initializing SPI port 0\n");
- spi = up_spiinitialize(0);
- if (!spi)
- {
- message("nsh_archinitialize: Failed to initialize SPI port 0\n");
- return -ENODEV;
- }
- message("nsh_archinitialize: Successfully initialized SPI port 0\n");
-
- /* Now bind the SPI interface to the M25P64/128 SPI FLASH driver */
-
- message("nsh_archinitialize: Bind SPI to the SPI flash driver\n");
- mtd = m25p_initialize(spi);
- if (!mtd)
- {
- message("nsh_archinitialize: Failed to bind SPI port 0 to the SPI FLASH driver\n");
- return -ENODEV;
- }
- message("nsh_archinitialize: Successfully bound SPI port 0 to the SPI FLASH driver\n");
-#warning "Now what are we going to do with this SPI FLASH driver?"
-#endif
-
- /* Create the SPI FLASH MTD instance */
- /* The M25Pxx is not a give media to implement a file system..
- * its block sizes are too large
- */
-
- /* Mount the SDIO-based MMC/SD block driver */
-
-#ifdef CONFIG_EXAMPLES_NSH_HAVEMMCSD
- /* First, get an instance of the SDIO interface */
-
- message("nsh_archinitialize: Initializing SDIO slot %d\n",
- CONFIG_EXAMPLES_NSH_MMCSDSLOTNO);
- sdio = sdio_initialize(CONFIG_EXAMPLES_NSH_MMCSDSLOTNO);
- if (!sdio)
- {
- message("nsh_archinitialize: Failed to initialize SDIO slot %d\n",
- CONFIG_EXAMPLES_NSH_MMCSDSLOTNO);
- return -ENODEV;
- }
-
- /* Now bind the SPI interface to the MMC/SD driver */
-
- message("nsh_archinitialize: Bind SDIO to the MMC/SD driver, minor=%d\n",
- CONFIG_EXAMPLES_NSH_MMCSDMINOR);
- ret = mmcsd_slotinitialize(CONFIG_EXAMPLES_NSH_MMCSDMINOR, sdio);
- if (ret != OK)
- {
- message("nsh_archinitialize: Failed to bind SDIO to the MMC/SD driver: %d\n", ret);
- return ret;
- }
- message("nsh_archinitialize: Successfully bound SDIO to the MMC/SD driver\n");
-
- /* Then let's guess and say that there is a card in the slot. I need to check to
- * see if the VSN board supports a GPIO to detect if there is a card in
- * the slot.
- */
-
- sdio_mediachange(sdio, true);
-#endif
- return OK;
-}
diff --git a/nuttx/configs/vsn/src/up_usbdev.c b/nuttx/configs/vsn/src/usbdev.c
index a30a8f8a1..db7fd1d9a 100644
--- a/nuttx/configs/vsn/src/up_usbdev.c
+++ b/nuttx/configs/vsn/src/usbdev.c
@@ -1,6 +1,6 @@
/************************************************************************************
- * configs/svsn/src/up_usbdev.c
- * arch/arm/src/board/up_boot.c
+ * configs/svsn/src/usbdev.c
+ * arch/arm/src/board/boot.c
*
* Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
* Copyright (c) 2011 Uros Platise. All rights reserved.
@@ -53,7 +53,7 @@
#include "up_arch.h"
#include "stm32_internal.h"
-#include "vsn-internal.h"
+#include "vsn.h"
/************************************************************************************
* Definitions
diff --git a/nuttx/configs/vsn/src/up_usbstrg.c b/nuttx/configs/vsn/src/usbstrg.c
index 2a34bab40..0942ae8e5 100644
--- a/nuttx/configs/vsn/src/up_usbstrg.c
+++ b/nuttx/configs/vsn/src/usbstrg.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * configs/vsn/src/up_usbstrg.c
+ * configs/vsn/src/usbstrg.c
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Copyright (c) 2011 Uros Platise. All rights reserved.
@@ -51,7 +51,7 @@
#include <nuttx/sdio.h>
#include <nuttx/mmcsd.h>
-#include "vsn-internal.h"
+#include "vsn.h"
#ifdef CONFIG_STM32_SDIO
diff --git a/nuttx/configs/vsn/src/vsn-internal.h b/nuttx/configs/vsn/src/vsn.h
index 832dff146..c065e1e75 100644
--- a/nuttx/configs/vsn/src/vsn-internal.h
+++ b/nuttx/configs/vsn/src/vsn.h
@@ -1,6 +1,6 @@
/************************************************************************************
- * configs/vsn/src/vsn-internal.h
- * arch/arm/src/board/vsn-internal.n
+ * configs/vsn/src/vsn.h
+ * arch/arm/src/board/vsn.n
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Copyright (c) 2011 Uros Platise. All rights reserved.
@@ -44,6 +44,7 @@
* Included Files
************************************************************************************/
+#include <arch/board/board.h>
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <stdint.h>
@@ -52,20 +53,6 @@
* Definitions
************************************************************************************/
-/* How many SPI modules does this chip support? The LM3S6918 supports 2 SPI
- * modules (others may support more -- in such case, the following must be
- * expanded).
- */
-
-#if STM32_NSPI < 1
-# undef CONFIG_STM32_SPI1
-# undef CONFIG_STM32_SPI2
-#elif STM32_NSPI < 2
-# undef CONFIG_STM32_SPI2
-#endif
-
-/* VSN 1.2 GPIOs **************************************************************/
-
/* LED */
#define GPIO_LED (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN2)
@@ -74,6 +61,32 @@
#define GPIO_PUSHBUTTON (GPIO_INPUT|GPIO_CNF_INFLOAT|GPIO_MODE_INPUT|GPIO_PORTC|GPIO_PIN5)
+/* Power Management Pins */
+
+#define GPIO_PVS (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTC|GPIO_PIN7)
+
+/* FRAM */
+
+#define GPIO_FRAM_CS (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTA|GPIO_PIN15)
+
+
+/* Debug ********************************************************************/
+
+#ifdef CONFIG_CPP_HAVE_VARARGS
+# ifdef CONFIG_DEBUG
+# define message(...) lib_lowprintf(__VA_ARGS__)
+# else
+# define message(...) printf(__VA_ARGS__)
+# endif
+#else
+# ifdef CONFIG_DEBUG
+# define message lib_lowprintf
+# else
+# define message printf
+# endif
+#endif
+
+
/************************************************************************************
* Public Types
************************************************************************************/
@@ -108,14 +121,18 @@ extern void weak_function stm32_spiinitialize(void);
extern void weak_function stm32_usbinitialize(void);
+
/************************************************************************************
- * Name: stm32_extcontextsave
+ * Power Module
*
* Description:
- * Save current GPIOs that will used by external memory configurations
- *
+ * - Provides power related board operations, such as voltage selection,
+ * proper reboot sequence, and power-off
************************************************************************************/
+extern void board_power_setbootvoltage(void); // Default voltage at boot time
+
+
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_VSN_1_2_SRC_VSN_INTERNAL_H */
diff --git a/nuttx/drivers/mmcsd/mmcsd_sdio.c b/nuttx/drivers/mmcsd/mmcsd_sdio.c
index b02a8f7a3..61bbb417a 100644
--- a/nuttx/drivers/mmcsd/mmcsd_sdio.c
+++ b/nuttx/drivers/mmcsd/mmcsd_sdio.c
@@ -2077,6 +2077,7 @@ static void mmcsd_mediachange(FAR void *arg)
static int mmcsd_widebus(FAR struct mmcsd_state_s *priv)
{
+#ifndef CONFIG_SDIO_WIDTH_D1_ONLY
int ret;
/* Check if the SD card supports this feature (as reported in the SCR) */
@@ -2145,6 +2146,13 @@ static int mmcsd_widebus(FAR struct mmcsd_state_s *priv)
fdbg("WARNING: Card does not support wide-bus operation\n");
return -ENOSYS;
+
+#else /* CONFIG_SDIO_WIDTH_D1_ONLY */
+
+ fvdbg("Wide-bus operation is disabled\n");
+ return -ENOSYS;
+
+#endif /* CONFIG_SDIO_WIDTH_D1_ONLY */
}
/****************************************************************************
@@ -2613,7 +2621,7 @@ static int mmcsd_cardidentify(FAR struct mmcsd_state_s *priv)
elapsed = g_system_timer - start;
}
- while (elapsed < TICK_PER_SEC && ret != OK);
+ while( elapsed < TICK_PER_SEC ); /* On successful reception while 'breaks', see above. */
/* We get here when the above loop completes, either (1) we could not
* communicate properly with the card due to errors (and the loop times
diff --git a/nuttx/drivers/mmcsd/mmcsd_sdio.h b/nuttx/drivers/mmcsd/mmcsd_sdio.h
index 75f09aae0..75c97bd65 100644
--- a/nuttx/drivers/mmcsd/mmcsd_sdio.h
+++ b/nuttx/drivers/mmcsd/mmcsd_sdio.h
@@ -1,7 +1,7 @@
/********************************************************************************************
* drivers/mmcsd/mmcsd_sdio.h
*
- * Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ * Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
diff --git a/nuttx/drivers/mtd/Make.defs b/nuttx/drivers/mtd/Make.defs
index 188cdfe1c..c515b7303 100644
--- a/nuttx/drivers/mtd/Make.defs
+++ b/nuttx/drivers/mtd/Make.defs
@@ -34,5 +34,4 @@
############################################################################
MTD_ASRCS =
-MTD_CSRCS = ftl.c m25px.c at45db.c
-
+MTD_CSRCS = ftl.c m25px.c at45db.c ramtron.c
diff --git a/nuttx/drivers/mtd/ftl.c b/nuttx/drivers/mtd/ftl.c
index 7021682fd..40f208f56 100755
--- a/nuttx/drivers/mtd/ftl.c
+++ b/nuttx/drivers/mtd/ftl.c
@@ -1,7 +1,7 @@
/****************************************************************************
* drivers/mtd/ftl.c
*
- * Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ * Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@@ -182,7 +182,7 @@ static ssize_t ftl_read(FAR struct inode *inode, unsigned char *buffer,
{
struct ftl_struct_s *dev;
- fvdbg("sector: %d nsectors: %d sectorsize: %d\n");
+ fvdbg("sector: %d nsectors: %d\n", start_sector, nsectors);
DEBUGASSERT(inode && inode->i_private);
dev = (struct ftl_struct_s *)inode->i_private;
@@ -360,7 +360,7 @@ static ssize_t ftl_write(FAR struct inode *inode, const unsigned char *buffer,
{
struct ftl_struct_s *dev;
- fvdbg("sector: %d nsectors: %d sectorsize: %d\n");
+ fvdbg("sector: %d nsectors: %d\n", start_sector, nsectors);
DEBUGASSERT(inode && inode->i_private);
dev = (struct ftl_struct_s *)inode->i_private;
diff --git a/nuttx/drivers/mtd/ramtron.c b/nuttx/drivers/mtd/ramtron.c
new file mode 100755
index 000000000..ab27a0dc2
--- /dev/null
+++ b/nuttx/drivers/mtd/ramtron.c
@@ -0,0 +1,668 @@
+/************************************************************************************
+ * drivers/mtd/ramtron.c
+ * Driver for SPI-based RAMTRON NVRAM Devices FM25V10 and others (not tested)
+ *
+ * Copyright (C) 2011 Uros Platise. All rights reserved.
+ * Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
+ * Author: Uros Platise <uros.platise@isotel.eu>
+ * Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+/* OPTIONS:
+ * - additional non-jedec standard device: FM25H20
+ * must be enabled with the CONFIG_RAMTRON_FRAM_NON_JEDEC=y
+ *
+ * NOTE:
+ * - frequency is fixed to desired max by RAMTRON_INIT_CLK_MAX
+ * if new devices with different speed arrive, then SETFREQUENCY()
+ * needs to handle freq changes and INIT_CLK_MAX must be reduced
+ * to fit all devices. Note that STM32_SPI driver is prone to
+ * too high freq. parameters and limit it within physical constraints.
+ *
+ * TODO:
+ * - add support for sleep
+ * - add support for faster read FSTRD command
+ */
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <debug.h>
+#include <assert.h>
+
+#include <nuttx/ioctl.h>
+#include <nuttx/spi.h>
+#include <nuttx/mtd.h>
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/* RAMTRON devices are flat!
+ * For purpose of the VFAT file system we emulate the following configuration:
+ */
+
+#define RAMTRON_EMULATE_SECTOR_SHIFT 9
+#define RAMTRON_EMULATE_PAGE_SHIFT 9
+
+/* RAMTRON Indentification register values */
+
+#define RAMTRON_MANUFACTURER 0x7F
+#define RAMTRON_MEMORY_TYPE 0xC2
+
+/* Instructions:
+ * Command Value N Description Addr Dummy Data */
+#define RAMTRON_WREN 0x06 /* 1 Write Enable 0 0 0 */
+#define RAMTRON_WRDI 0x04 /* 1 Write Disable 0 0 0 */
+#define RAMTRON_RDSR 0x05 /* 1 Read Status Register 0 0 >=1 */
+#define RAMTRON_WRSR 0x01 /* 1 Write Status Register 0 0 1 */
+#define RAMTRON_READ 0x03 /* 1 Read Data Bytes A 0 >=1 */
+#define RAMTRON_FSTRD 0x0b /* 1 Higher speed read A 1 >=1 */
+#define RAMTRON_WRITE 0x02 /* 1 Write A 0 1-256 */
+#define RAMTRON_SLEEP 0xb9 // TODO:
+#define RAMTRON_RDID 0x9f /* 1 Read Identification 0 0 1-3 */
+#define RAMTRON_SN 0xc3 // TODO:
+
+
+/* Status register bit definitions */
+
+#define RAMTRON_SR_WIP (1 << 0) /* Bit 0: Write in progress bit */
+#define RAMTRON_SR_WEL (1 << 1) /* Bit 1: Write enable latch bit */
+#define RAMTRON_SR_BP_SHIFT (2) /* Bits 2-4: Block protect bits */
+#define RAMTRON_SR_BP_MASK (7 << RAMTRON_SR_BP_SHIFT)
+# define RAMTRON_SR_BP_NONE (0 << RAMTRON_SR_BP_SHIFT) /* Unprotected */
+# define RAMTRON_SR_BP_UPPER64th (1 << RAMTRON_SR_BP_SHIFT) /* Upper 64th */
+# define RAMTRON_SR_BP_UPPER32nd (2 << RAMTRON_SR_BP_SHIFT) /* Upper 32nd */
+# define RAMTRON_SR_BP_UPPER16th (3 << RAMTRON_SR_BP_SHIFT) /* Upper 16th */
+# define RAMTRON_SR_BP_UPPER8th (4 << RAMTRON_SR_BP_SHIFT) /* Upper 8th */
+# define RAMTRON_SR_BP_UPPERQTR (5 << RAMTRON_SR_BP_SHIFT) /* Upper quarter */
+# define RAMTRON_SR_BP_UPPERHALF (6 << RAMTRON_SR_BP_SHIFT) /* Upper half */
+# define RAMTRON_SR_BP_ALL (7 << RAMTRON_SR_BP_SHIFT) /* All sectors */
+#define RAMTRON_SR_SRWD (1 << 7) /* Bit 7: Status register write protect */
+
+#define RAMTRON_DUMMY 0xa5
+
+/************************************************************************************
+ * Private Types
+ ************************************************************************************/
+
+struct ramtron_parts_s
+{
+ const char *name;
+ uint8_t id1, id2;
+ uint32_t size;
+ uint8_t addr_len;
+ uint32_t speed;
+};
+
+/* This type represents the state of the MTD device. The struct mtd_dev_s
+ * must appear at the beginning of the definition so that you can freely
+ * cast between pointers to struct mtd_dev_s and struct ramtron_dev_s.
+ */
+
+struct ramtron_dev_s
+{
+ struct mtd_dev_s mtd; /* MTD interface */
+ FAR struct spi_dev_s *dev; /* Saved SPI interface instance */
+ uint8_t sectorshift;
+ uint8_t pageshift;
+ uint16_t nsectors;
+ uint32_t npages;
+ const struct ramtron_parts_s *part; /* part instance */
+};
+
+/************************************************************************************
+ * Supported Part Lists
+ ************************************************************************************/
+
+// Defines the initial speed compatible with all devices. In case of RAMTRON
+// the defined devices within the part list have all the same speed.
+#define RAMTRON_INIT_CLK_MAX 40000000UL
+
+static struct ramtron_parts_s ramtron_parts[] =
+{
+ {
+ .size = 32*1024,
+ .addr_len = 2,
+ .id1 = 0x22,
+ .id2 = 0x00,
+ .speed = 40000000,
+ .name = "FM25V02",
+ },
+ {
+ .size = 32*1024,
+ .addr_len = 2,
+ .id1 = 0x22,
+ .id2 = 0x01,
+ .speed = 40000000,
+ .name = "FM25VN02",
+ },
+ {
+ .size = 64*1024,
+ .addr_len = 2,
+ .id1 = 0x23,
+ .id2 = 0x00,
+ .speed = 40000000,
+ .name = "FM25V05",
+ },
+ {
+ .size = 64*1024,
+ .addr_len = 2,
+ .id1 = 0x23,
+ .id2 = 0x01,
+ .speed = 40000000,
+ .name = "FM25VN05",
+ },
+ {
+ .size = 128*1024,
+ .addr_len = 3,
+ .id1 = 0x24,
+ .id2 = 0x00,
+ .speed = 40000000,
+ .name = "FM25V10",
+ },
+ {
+ .size = 128*1024,
+ .addr_len = 3,
+ .id1 = 0x24,
+ .id2 = 0x01,
+ .speed = 40000000,
+ .name = "FM25VN10",
+ },
+#ifdef CONFIG_RAMTRON_FRAM_NON_JEDEC
+ {
+ .size = 256*1024,
+ .addr_len = 3,
+ .id1 = 0xff,
+ .id2 = 0xff,
+ .speed = 40000000,
+ .name = "FM25H20",
+ },
+ {
+ .name = NULL,
+ }
+#endif
+};
+
+
+/************************************************************************************
+ * Private Function Prototypes
+ ************************************************************************************/
+
+/* Helpers */
+
+static void ramtron_lock(FAR struct spi_dev_s *dev);
+static inline void ramtron_unlock(FAR struct spi_dev_s *dev);
+static inline int ramtron_readid(struct ramtron_dev_s *priv);
+static void ramtron_waitwritecomplete(struct ramtron_dev_s *priv);
+static void ramtron_writeenable(struct ramtron_dev_s *priv);
+static inline void ramtron_pagewrite(struct ramtron_dev_s *priv, FAR const uint8_t *buffer,
+ off_t offset);
+
+/* MTD driver methods */
+
+static int ramtron_erase(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks);
+static ssize_t ramtron_bread(FAR struct mtd_dev_s *dev, off_t startblock,
+ size_t nblocks, FAR uint8_t *buf);
+static ssize_t ramtron_bwrite(FAR struct mtd_dev_s *dev, off_t startblock,
+ size_t nblocks, FAR const uint8_t *buf);
+static ssize_t ramtron_read(FAR struct mtd_dev_s *dev, off_t offset, size_t nbytes,
+ FAR uint8_t *buffer);
+static int ramtron_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg);
+
+/************************************************************************************
+ * Private Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Private Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name: ramtron_lock
+ ************************************************************************************/
+
+static void ramtron_lock(FAR struct spi_dev_s *dev)
+{
+ /* On SPI busses where there are multiple devices, it will be necessary to
+ * lock SPI to have exclusive access to the busses for a sequence of
+ * transfers. The bus should be locked before the chip is selected.
+ *
+ * This is a blocking call and will not return until we have exclusiv access to
+ * the SPI buss. We will retain that exclusive access until the bus is unlocked.
+ */
+
+ (void)SPI_LOCK(dev, true);
+
+ /* After locking the SPI bus, the we also need call the setfrequency, setbits, and
+ * setmode methods to make sure that the SPI is properly configured for the device.
+ * If the SPI buss is being shared, then it may have been left in an incompatible
+ * state.
+ */
+
+ SPI_SETMODE(dev, SPIDEV_MODE3);
+ SPI_SETBITS(dev, 8);
+
+ (void)SPI_SETFREQUENCY(dev, RAMTRON_INIT_CLK_MAX);
+}
+
+/************************************************************************************
+ * Name: ramtron_unlock
+ ************************************************************************************/
+
+static inline void ramtron_unlock(FAR struct spi_dev_s *dev)
+{
+ (void)SPI_LOCK(dev, false);
+}
+
+/************************************************************************************
+ * Name: ramtron_readid
+ ************************************************************************************/
+
+static inline int ramtron_readid(struct ramtron_dev_s *priv)
+{
+ uint16_t manufacturer, memory, capacity, part;
+ int i;
+
+ fvdbg("priv: %p\n", priv);
+
+ /* Lock the SPI bus, configure the bus, and select this FLASH part. */
+
+ ramtron_lock(priv->dev);
+ SPI_SELECT(priv->dev, SPIDEV_FLASH, true);
+
+ /* Send the "Read ID (RDID)" command and read the first three ID bytes */
+
+ (void)SPI_SEND(priv->dev, RAMTRON_RDID);
+ for (i=0; i<6; i++) manufacturer = SPI_SEND(priv->dev, RAMTRON_DUMMY);
+ memory = SPI_SEND(priv->dev, RAMTRON_DUMMY);
+ capacity = SPI_SEND(priv->dev, RAMTRON_DUMMY); // fram.id1
+ part = SPI_SEND(priv->dev, RAMTRON_DUMMY); // fram.id2
+
+ /* Deselect the FLASH and unlock the bus */
+
+ SPI_SELECT(priv->dev, SPIDEV_FLASH, false);
+ ramtron_unlock(priv->dev);
+
+ // Select part from the part list
+ for (priv->part = ramtron_parts;
+ priv->part->name != NULL && !(priv->part->id1 == capacity && priv->part->id2 == part);
+ priv->part++);
+
+ if (priv->part->name) {
+ fvdbg("RAMTRON %s of size %d bytes (mf:%02x mem:%02x cap:%02x part:%02x)\n",
+ priv->part->name, priv->part->size, manufacturer, memory, capacity, part);
+
+ priv->sectorshift = RAMTRON_EMULATE_SECTOR_SHIFT;
+ priv->nsectors = priv->part->size / (1 << RAMTRON_EMULATE_SECTOR_SHIFT);
+ priv->pageshift = RAMTRON_EMULATE_PAGE_SHIFT;
+ priv->npages = priv->part->size / (1 << RAMTRON_EMULATE_PAGE_SHIFT);
+ return OK;
+ }
+
+ fvdbg("RAMTRON device not found\n");
+ return -ENODEV;
+}
+
+/************************************************************************************
+ * Name: ramtron_waitwritecomplete
+ ************************************************************************************/
+
+static void ramtron_waitwritecomplete(struct ramtron_dev_s *priv)
+{
+ uint8_t status;
+
+ /* Select this FLASH part */
+
+ SPI_SELECT(priv->dev, SPIDEV_FLASH, true);
+
+ /* Send "Read Status Register (RDSR)" command */
+
+ (void)SPI_SEND(priv->dev, RAMTRON_RDSR);
+
+ /* Loop as long as the memory is busy with a write cycle */
+
+ do
+ {
+ /* Send a dummy byte to generate the clock needed to shift out the status */
+
+ status = SPI_SEND(priv->dev, RAMTRON_DUMMY);
+ }
+ while ((status & RAMTRON_SR_WIP) != 0);
+
+ /* Deselect the FLASH */
+
+ SPI_SELECT(priv->dev, SPIDEV_FLASH, false);
+ fvdbg("Complete\n");
+}
+
+/************************************************************************************
+ * Name: ramtron_writeenable
+ ************************************************************************************/
+
+static void ramtron_writeenable(struct ramtron_dev_s *priv)
+{
+ /* Select this FLASH part */
+
+ SPI_SELECT(priv->dev, SPIDEV_FLASH, true);
+
+ /* Send "Write Enable (WREN)" command */
+
+ (void)SPI_SEND(priv->dev, RAMTRON_WREN);
+
+ /* Deselect the FLASH */
+
+ SPI_SELECT(priv->dev, SPIDEV_FLASH, false);
+ fvdbg("Enabled\n");
+}
+
+/************************************************************************************
+ * Name: ramtron_sendaddr
+ ************************************************************************************/
+
+static inline void ramtron_sendaddr(const struct ramtron_dev_s *priv, uint32_t addr)
+{
+ DEBUGASSERT(priv->part->addr_len == 3 || priv->part->addr_len == 2);
+
+ if (priv->part->addr_len == 3)
+ (void)SPI_SEND(priv->dev, (addr >> 16) & 0xff);
+
+ (void)SPI_SEND(priv->dev, (addr >> 8) & 0xff);
+ (void)SPI_SEND(priv->dev, addr & 0xff);
+}
+
+/************************************************************************************
+ * Name: ramtron_pagewrite
+ ************************************************************************************/
+
+static inline void ramtron_pagewrite(struct ramtron_dev_s *priv, FAR const uint8_t *buffer,
+ off_t page)
+{
+ off_t offset = page << priv->pageshift;
+
+ fvdbg("page: %08lx offset: %08lx\n", (long)page, (long)offset);
+
+ /* Wait for any preceding write to complete. We could simplify things by
+ * perform this wait at the end of each write operation (rather than at
+ * the beginning of ALL operations), but have the wait first will slightly
+ * improve performance.
+ */
+
+ ramtron_waitwritecomplete(priv);
+
+ /* Enable the write access to the FLASH */
+
+ ramtron_writeenable(priv);
+
+ /* Select this FLASH part */
+
+ SPI_SELECT(priv->dev, SPIDEV_FLASH, true);
+
+ /* Send "Page Program (PP)" command */
+
+ (void)SPI_SEND(priv->dev, RAMTRON_WRITE);
+
+ /* Send the page offset high byte first. */
+
+ ramtron_sendaddr(priv, offset);
+
+ /* Then write the specified number of bytes */
+
+ SPI_SNDBLOCK(priv->dev, buffer, 1 << priv->pageshift);
+
+ /* Deselect the FLASH: Chip Select high */
+
+ SPI_SELECT(priv->dev, SPIDEV_FLASH, false);
+ fvdbg("Written\n");
+}
+
+/************************************************************************************
+ * Name: ramtron_erase
+ ************************************************************************************/
+
+static int ramtron_erase(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks)
+{
+ fvdbg("startblock: %08lx nblocks: %d\n", (long)startblock, (int)nblocks);
+ fvdbg("On RAMTRON devices erasing makes no sense, returning as OK\n");
+ return (int)nblocks;
+}
+
+/************************************************************************************
+ * Name: ramtron_bread
+ ************************************************************************************/
+
+static ssize_t ramtron_bread(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks,
+ FAR uint8_t *buffer)
+{
+ FAR struct ramtron_dev_s *priv = (FAR struct ramtron_dev_s *)dev;
+ ssize_t nbytes;
+
+ fvdbg("startblock: %08lx nblocks: %d\n", (long)startblock, (int)nblocks);
+
+ /* On this device, we can handle the block read just like the byte-oriented read */
+
+ nbytes = ramtron_read(dev, startblock << priv->pageshift, nblocks << priv->pageshift, buffer);
+ if (nbytes > 0)
+ {
+ return nbytes >> priv->pageshift;
+ }
+ return (int)nbytes;
+}
+
+/************************************************************************************
+ * Name: ramtron_bwrite
+ ************************************************************************************/
+
+static ssize_t ramtron_bwrite(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks,
+ FAR const uint8_t *buffer)
+{
+ FAR struct ramtron_dev_s *priv = (FAR struct ramtron_dev_s *)dev;
+ size_t blocksleft = nblocks;
+
+ fvdbg("startblock: %08lx nblocks: %d\n", (long)startblock, (int)nblocks);
+
+ /* Lock the SPI bus and write each page to FLASH */
+
+ ramtron_lock(priv->dev);
+ while (blocksleft-- > 0)
+ {
+ ramtron_pagewrite(priv, buffer, startblock);
+ startblock++;
+ }
+ ramtron_unlock(priv->dev);
+
+ return nblocks;
+}
+
+/************************************************************************************
+ * Name: ramtron_read
+ ************************************************************************************/
+
+static ssize_t ramtron_read(FAR struct mtd_dev_s *dev, off_t offset, size_t nbytes,
+ FAR uint8_t *buffer)
+{
+ FAR struct ramtron_dev_s *priv = (FAR struct ramtron_dev_s *)dev;
+
+ fvdbg("offset: %08lx nbytes: %d\n", (long)offset, (int)nbytes);
+
+ /* Wait for any preceding write to complete. We could simplify things by
+ * perform this wait at the end of each write operation (rather than at
+ * the beginning of ALL operations), but have the wait first will slightly
+ * improve performance.
+ */
+
+ ramtron_waitwritecomplete(priv);
+
+ /* Lock the SPI bus and select this FLASH part */
+
+ ramtron_lock(priv->dev);
+ SPI_SELECT(priv->dev, SPIDEV_FLASH, true);
+
+ /* Send "Read from Memory " instruction */
+
+ (void)SPI_SEND(priv->dev, RAMTRON_READ);
+
+ /* Send the page offset high byte first. */
+
+ ramtron_sendaddr(priv, offset);
+
+ /* Then read all of the requested bytes */
+
+ SPI_RECVBLOCK(priv->dev, buffer, nbytes);
+
+ /* Deselect the FLASH and unlock the SPI bus */
+
+ SPI_SELECT(priv->dev, SPIDEV_FLASH, false);
+ ramtron_unlock(priv->dev);
+ fvdbg("return nbytes: %d\n", (int)nbytes);
+ return nbytes;
+}
+
+/************************************************************************************
+ * Name: ramtron_ioctl
+ ************************************************************************************/
+
+static int ramtron_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
+{
+ FAR struct ramtron_dev_s *priv = (FAR struct ramtron_dev_s *)dev;
+ int ret = -EINVAL; /* Assume good command with bad parameters */
+
+ fvdbg("cmd: %d \n", cmd);
+
+ switch (cmd)
+ {
+ case MTDIOC_GEOMETRY:
+ {
+ FAR struct mtd_geometry_s *geo = (FAR struct mtd_geometry_s *)((uintptr_t)arg);
+ if (geo)
+ {
+ /* Populate the geometry structure with information need to know
+ * the capacity and how to access the device.
+ *
+ * NOTE: that the device is treated as though it where just an array
+ * of fixed size blocks. That is most likely not true, but the client
+ * will expect the device logic to do whatever is necessary to make it
+ * appear so.
+ */
+
+ geo->blocksize = (1 << priv->pageshift);
+ geo->erasesize = (1 << priv->sectorshift);
+ geo->neraseblocks = priv->nsectors;
+ ret = OK;
+
+ fvdbg("blocksize: %d erasesize: %d neraseblocks: %d\n",
+ geo->blocksize, geo->erasesize, geo->neraseblocks);
+ }
+ }
+ break;
+
+ case MTDIOC_BULKERASE:
+ fvdbg("BULDERASE: Makes no sense in ramtron. Let's confirm operation as OK\n");
+ ret = OK;
+ break;
+
+ case MTDIOC_XIPBASE:
+ default:
+ ret = -ENOTTY; /* Bad command */
+ break;
+ }
+
+ fvdbg("return %d\n", ret);
+ return ret;
+}
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name: ramtron_initialize
+ *
+ * Description:
+ * Create an initialize MTD device instance. MTD devices are not registered
+ * in the file system, but are created as instances that can be bound to
+ * other functions (such as a block or character driver front end).
+ *
+ ************************************************************************************/
+
+FAR struct mtd_dev_s *ramtron_initialize(FAR struct spi_dev_s *dev)
+{
+ FAR struct ramtron_dev_s *priv;
+
+ fvdbg("dev: %p\n", dev);
+
+ /* Allocate a state structure (we allocate the structure instead of using
+ * a fixed, static allocation so that we can handle multiple FLASH devices.
+ * The current implementation would handle only one FLASH part per SPI
+ * device (only because of the SPIDEV_FLASH definition) and so would have
+ * to be extended to handle multiple FLASH parts on the same SPI bus.
+ */
+
+ priv = (FAR struct ramtron_dev_s *)malloc(sizeof(struct ramtron_dev_s));
+ if (priv)
+ {
+ /* Initialize the allocated structure */
+
+ priv->mtd.erase = ramtron_erase;
+ priv->mtd.bread = ramtron_bread;
+ priv->mtd.bwrite = ramtron_bwrite;
+ priv->mtd.read = ramtron_read;
+ priv->mtd.ioctl = ramtron_ioctl;
+ priv->dev = dev;
+
+ /* Deselect the FLASH */
+
+ SPI_SELECT(dev, SPIDEV_FLASH, false);
+
+ /* Identify the FLASH chip and get its capacity */
+
+ if (ramtron_readid(priv) != OK)
+ {
+ /* Unrecognized! Discard all of that work we just did and return NULL */
+ free(priv);
+ priv = NULL;
+ }
+ }
+
+ /* Return the implementation-specific state structure as the MTD device */
+
+ fvdbg("Return %p\n", priv);
+ return (FAR struct mtd_dev_s *)priv;
+}