src/main/drivers/bus_quadspi.c

   1 /*
   2  * This file is part of Cleanflight and Betaflight.
   3  *
   4  * Cleanflight and Betaflight are free software. You can redistribute
   5  * this software and/or modify this software under the terms of the
   6  * GNU General Public License as published by the Free Software
   7  * Foundation, either version 3 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * Cleanflight and Betaflight are distributed in the hope that they
  11  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this software.
  17  *
  18  * If not, see <http://www.gnu.org/licenses/>.
  19  *
  20  * Author: Dominic Clifton
  21  */
  22
  23 #include <stdbool.h>
  24 #include <stdint.h>
  25 #include <string.h>
  26
  27 #include "platform.h"
  28
  29 #ifdef USE_QUADSPI
  30
  31 #include "drivers/bus_quadspi.h"
  32 #include "drivers/bus_quadspi_impl.h"
  33 #include "drivers/exti.h"
  34 #include "drivers/io.h"
  35 #include "drivers/rcc.h"
  36
  37 #include "pg/bus_quadspi.h"
  38
  39 quadSpiDevice_t quadSpiDevice[QUADSPIDEV_COUNT] = { 0 };
  40
  41 QUADSPIDevice quadSpiDeviceByInstance(QUADSPI_TypeDef *instance)
  42 {
  43 #ifdef USE_QUADSPI_DEVICE_1
  44     if (instance == QUADSPI) {
  45         return QUADSPIDEV_1;
  46     }
  47 #endif
  48
  49     return QUADSPIINVALID;
  50 }
  51
  52 QUADSPI_TypeDef *quadSpiInstanceByDevice(QUADSPIDevice device)
  53 {
  54     if (device == QUADSPIINVALID || device >= QUADSPIDEV_COUNT) {
  55         return NULL;
  56     }
  57
  58     return quadSpiDevice[device].dev;
  59 }
  60
  61 bool quadSpiInit(QUADSPIDevice device)
  62 {
  63     switch (device) {
  64     case QUADSPIINVALID:
  65         return false;
  66     case QUADSPIDEV_1:
  67 #ifdef USE_QUADSPI_DEVICE_1
  68         quadSpiInitDevice(device);
  69         return true;
  70 #else
  71         break;
  72 #endif
  73     }
  74     return false;
  75 }
  76
  77 uint32_t quadSpiTimeoutUserCallback(QUADSPI_TypeDef *instance)
  78 {
  79     QUADSPIDevice device = quadSpiDeviceByInstance(instance);
  80     if (device == QUADSPIINVALID) {
  81         return -1;
  82     }
  83     quadSpiDevice[device].errorCount++;
  84     return quadSpiDevice[device].errorCount;
  85 }
  86
  87 uint16_t quadSpiGetErrorCounter(QUADSPI_TypeDef *instance)
  88 {
  89     QUADSPIDevice device = quadSpiDeviceByInstance(instance);
  90     if (device == QUADSPIINVALID) {
  91         return 0;
  92     }
  93     return quadSpiDevice[device].errorCount;
  94 }
  95
  96 void quadSpiResetErrorCounter(QUADSPI_TypeDef *instance)
  97 {
  98     QUADSPIDevice device = quadSpiDeviceByInstance(instance);
  99     if (device != QUADSPIINVALID) {
 100         quadSpiDevice[device].errorCount = 0;
 101     }
 102 }
 103
 104 const quadSpiHardware_t quadSpiHardware[] = {
 105 #ifdef STM32H7
 106     {
 107         .device = QUADSPIDEV_1,
 108         .reg = QUADSPI,
 109         .clkPins = {
 110             { DEFIO_TAG_E(PB2),  GPIO_AF9_QUADSPI },
 111         },
 112         .bk1IO0Pins = {
 113             { DEFIO_TAG_E(PC9),  GPIO_AF9_QUADSPI },
 114             { DEFIO_TAG_E(PD11), GPIO_AF9_QUADSPI },
 115             { DEFIO_TAG_E(PF8),  GPIO_AF10_QUADSPI },
 116         },
 117         .bk1IO1Pins = {
 118             { DEFIO_TAG_E(PC10), GPIO_AF9_QUADSPI },
 119             { DEFIO_TAG_E(PD12), GPIO_AF9_QUADSPI },
 120             { DEFIO_TAG_E(PF9),  GPIO_AF10_QUADSPI },
 121         },
 122         .bk1IO2Pins = {
 123             { DEFIO_TAG_E(PE2),  GPIO_AF9_QUADSPI },
 124             { DEFIO_TAG_E(PF7),  GPIO_AF9_QUADSPI },
 125         },
 126         .bk1IO3Pins = {
 127             { DEFIO_TAG_E(PA1),  GPIO_AF9_QUADSPI },
 128             { DEFIO_TAG_E(PD13), GPIO_AF9_QUADSPI },
 129             { DEFIO_TAG_E(PF6),  GPIO_AF9_QUADSPI },
 130         },
 131         .bk1CSPins = {
 132             { DEFIO_TAG_E(PB6),  GPIO_AF10_QUADSPI },
 133             { DEFIO_TAG_E(PB10), GPIO_AF9_QUADSPI },
 134             { DEFIO_TAG_E(PG6),  GPIO_AF10_QUADSPI },
 135         },
 136         .bk2IO0Pins = {
 137             { DEFIO_TAG_E(PE7),  GPIO_AF10_QUADSPI },
 138             //{ DEFIO_TAG_E(PH7),  GPIO_AF9_QUADSPI }, // FIXME regenerate io_def_generated with support for GPIO 'H'
 139         },
 140         .bk2IO1Pins = {
 141             { DEFIO_TAG_E(PE8),  GPIO_AF10_QUADSPI },
 142             //{ DEFIO_TAG_E(PH3),  GPIO_AF9_QUADSPI }, // FIXME regenerate io_def_generated with support for GPIO 'H'
 143         },
 144         .bk2IO2Pins = {
 145             { DEFIO_TAG_E(PE9),  GPIO_AF10_QUADSPI },
 146             { DEFIO_TAG_E(PG9),  GPIO_AF9_QUADSPI },
 147         },
 148         .bk2IO3Pins = {
 149             { DEFIO_TAG_E(PE10),  GPIO_AF10_QUADSPI },
 150             { DEFIO_TAG_E(PG14),  GPIO_AF9_QUADSPI },
 151         },
 152         .bk2CSPins = {
 153             { DEFIO_TAG_E(PC11),  GPIO_AF9_QUADSPI },
 154         },
 155         .rcc = RCC_AHB3(QSPI),
 156     },
 157 #endif
 158 };
 159
 160 void quadSpiPinConfigure(const quadSpiConfig_t *pConfig)
 161 {
 162     for (size_t hwindex = 0; hwindex < ARRAYLEN(quadSpiHardware); hwindex++) {
 163         const quadSpiHardware_t *hw = &quadSpiHardware[hwindex];
 164
 165         if (!hw->reg) {
 166             continue;
 167         }
 168
 169         QUADSPIDevice device = hw->device;
 170         quadSpiDevice_t *pDev = &quadSpiDevice[device];
 171
 172         for (int pindex = 0; pindex < MAX_QUADSPI_PIN_SEL; pindex++) {
 173             if (pConfig[device].ioTagClk == hw->clkPins[pindex].pin) {
 174                 pDev->clk = hw->clkPins[pindex].pin;
 175             }
 176             //
 177             // BK1
 178             //
 179             if (pConfig[device].ioTagBK1IO0 == hw->bk1IO0Pins[pindex].pin) {
 180                 pDev->bk1IO0 = hw->bk1IO0Pins[pindex].pin;
 181                 pDev->bk1IO0AF = hw->bk1IO0Pins[pindex].af;
 182             }
 183             if (pConfig[device].ioTagBK1IO1 == hw->bk1IO1Pins[pindex].pin) {
 184                 pDev->bk1IO1 = hw->bk1IO1Pins[pindex].pin;
 185                 pDev->bk1IO1AF = hw->bk1IO1Pins[pindex].af;
 186             }
 187             if (pConfig[device].ioTagBK1IO2 == hw->bk1IO2Pins[pindex].pin) {
 188                 pDev->bk1IO2 = hw->bk1IO2Pins[pindex].pin;
 189                 pDev->bk1IO2AF = hw->bk1IO2Pins[pindex].af;
 190             }
 191             if (pConfig[device].ioTagBK1IO3 == hw->bk1IO3Pins[pindex].pin) {
 192                 pDev->bk1IO3 = hw->bk1IO3Pins[pindex].pin;
 193                 pDev->bk1IO3AF = hw->bk1IO3Pins[pindex].af;
 194             }
 195             if (pConfig[device].ioTagBK1CS == hw->bk1CSPins[pindex].pin) {
 196                 pDev->bk1CS = hw->bk1CSPins[pindex].pin;
 197                 pDev->bk1CSAF = hw->bk1CSPins[pindex].af;
 198             }
 199             //
 200             // BK2
 201             //
 202             if (pConfig[device].ioTagBK2IO0 == hw->bk2IO0Pins[pindex].pin) {
 203                 pDev->bk2IO0 = hw->bk2IO0Pins[pindex].pin;
 204                 pDev->bk2IO0AF = hw->bk2IO0Pins[pindex].af;
 205             }
 206             if (pConfig[device].ioTagBK2IO1 == hw->bk2IO1Pins[pindex].pin) {
 207                 pDev->bk2IO1 = hw->bk2IO1Pins[pindex].pin;
 208                 pDev->bk2IO1AF = hw->bk2IO1Pins[pindex].af;
 209             }
 210             if (pConfig[device].ioTagBK2IO2 == hw->bk2IO2Pins[pindex].pin) {
 211                 pDev->bk2IO2 = hw->bk2IO2Pins[pindex].pin;
 212                 pDev->bk2IO2AF = hw->bk2IO2Pins[pindex].af;
 213             }
 214             if (pConfig[device].ioTagBK2IO3 == hw->bk2IO3Pins[pindex].pin) {
 215                 pDev->bk2IO3 = hw->bk2IO3Pins[pindex].pin;
 216                 pDev->bk2IO3AF = hw->bk2IO3Pins[pindex].af;
 217             }
 218             if (pConfig[device].ioTagBK2CS == hw->bk2CSPins[pindex].pin) {
 219                 pDev->bk2CS = hw->bk2CSPins[pindex].pin;
 220                 pDev->bk2CSAF = hw->bk2CSPins[pindex].af;
 221             }
 222         }
 223
 224         if ((quadSpiConfig(device)->csFlags & QUADSPI_BK1_CS_MASK) == QUADSPI_BK1_CS_SOFTWARE) {
 225             pDev->bk1CS = pConfig[device].ioTagBK1CS;
 226         }
 227         if ((quadSpiConfig(device)->csFlags & QUADSPI_BK2_CS_MASK) == QUADSPI_BK2_CS_SOFTWARE) {
 228             pDev->bk2CS = pConfig[device].ioTagBK2CS;
 229         }
 230
 231         bool haveResources = true;
 232
 233         // clock pins
 234
 235         haveResources = haveResources && pDev->clk;
 236
 237         // data pins
 238
 239         bool needBK1 = (pConfig[device].mode == QUADSPI_MODE_DUAL_FLASH) || (pConfig[device].mode == QUADSPI_MODE_BK1_ONLY);
 240         if (needBK1) {
 241             bool haveBK1Resources = pDev->bk1IO0 && pDev->bk1IO1 && pDev->bk1IO2 && pDev->bk1IO3 && pDev->bk1CS;
 242             haveResources = haveResources && haveBK1Resources;
 243         }
 244
 245         bool needBK2 = (pConfig[device].mode == QUADSPI_MODE_DUAL_FLASH) || (pConfig[device].mode == QUADSPI_MODE_BK2_ONLY);
 246         if (needBK2) {
 247             bool haveBK2Resources = pDev->bk2IO0 && pDev->bk2IO1 && pDev->bk2IO2 && pDev->bk2IO3;
 248             haveResources = haveResources && haveBK2Resources;
 249         }
 250
 251         // cs pins
 252
 253         if (needBK1) {
 254             haveResources = haveResources && pDev->bk1CS;
 255         }
 256
 257         bool needBK2CS =
 258             (pConfig[device].mode == QUADSPI_MODE_DUAL_FLASH && (pConfig[device].csFlags & QUADSPI_CS_MODE_MASK) == QUADSPI_CS_MODE_SEPARATE) ||
 259             (pConfig[device].mode == QUADSPI_MODE_BK2_ONLY);
 260
 261         if (needBK2CS) {
 262             haveResources = haveResources && pDev->bk2CS;
 263         }
 264
 265         if (haveResources) {
 266             pDev->dev = hw->reg;
 267             pDev->rcc = hw->rcc;
 268         }
 269     }
 270 }
 271
 272 #endif