Fix / optimize FSMC init (#18941)
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5e08efb0fc
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cec035688d
2 changed files with 14 additions and 22 deletions
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@ -171,16 +171,17 @@ LCD_CONTROLLER_TypeDef *LCD;
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void LCD_IO_Init(uint8_t cs, uint8_t rs) {
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uint32_t controllerAddress;
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struct fsmc_nor_psram_reg_map* fsmcPsramRegion;
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if (fsmcInit) return;
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fsmcInit = 1;
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switch (cs) {
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case FSMC_CS_NE1: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION1; break;
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case FSMC_CS_NE1: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION1; fsmcPsramRegion = FSMC_NOR_PSRAM1_BASE; break;
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#if ENABLED(STM32_XL_DENSITY)
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case FSMC_CS_NE2: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION2; break;
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case FSMC_CS_NE3: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION3; break;
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case FSMC_CS_NE4: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION4; break;
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case FSMC_CS_NE2: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION2; fsmcPsramRegion = FSMC_NOR_PSRAM2_BASE; break;
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case FSMC_CS_NE3: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION3; fsmcPsramRegion = FSMC_NOR_PSRAM3_BASE; break;
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case FSMC_CS_NE4: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION4; fsmcPsramRegion = FSMC_NOR_PSRAM4_BASE; break;
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#endif
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default: return;
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}
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@ -246,13 +247,8 @@ void LCD_IO_Init(uint8_t cs, uint8_t rs) {
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gpio_set_mode(PIN_MAP[cs].gpio_device, PIN_MAP[cs].gpio_bit, GPIO_AF_OUTPUT_PP); //FSMC_CS_NEx
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gpio_set_mode(PIN_MAP[rs].gpio_device, PIN_MAP[rs].gpio_bit, GPIO_AF_OUTPUT_PP); //FSMC_RS_Ax
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#if ENABLED(STM32_XL_DENSITY)
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FSMC_NOR_PSRAM4_BASE->BCR = FSMC_BCR_WREN | FSMC_BCR_MTYP_SRAM | FSMC_BCR_MWID_16BITS | FSMC_BCR_MBKEN;
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FSMC_NOR_PSRAM4_BASE->BTR = (FSMC_DATA_SETUP_TIME << 8) | FSMC_ADDRESS_SETUP_TIME;
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#else // PSRAM1 for STM32F103V (high density)
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FSMC_NOR_PSRAM1_BASE->BCR = FSMC_BCR_WREN | FSMC_BCR_MTYP_SRAM | FSMC_BCR_MWID_16BITS | FSMC_BCR_MBKEN;
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FSMC_NOR_PSRAM1_BASE->BTR = (FSMC_DATA_SETUP_TIME << 8) | FSMC_ADDRESS_SETUP_TIME;
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#endif
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fsmcPsramRegion->BCR = FSMC_BCR_WREN | FSMC_BCR_MTYP_SRAM | FSMC_BCR_MWID_16BITS | FSMC_BCR_MBKEN;
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fsmcPsramRegion->BTR = (FSMC_DATA_SETUP_TIME << 8) | FSMC_ADDRESS_SETUP_TIME;
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afio_remap(AFIO_REMAP_FSMC_NADV);
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@ -104,16 +104,17 @@
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void LCD_IO_Init(uint8_t cs, uint8_t rs) {
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uint32_t controllerAddress;
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struct fsmc_nor_psram_reg_map* fsmcPsramRegion;
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if (fsmcInit) return;
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fsmcInit = 1;
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switch (cs) {
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case FSMC_CS_NE1: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION1; break;
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case FSMC_CS_NE1: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION1; fsmcPsramRegion = FSMC_NOR_PSRAM1_BASE; break;
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#if ENABLED(STM32_XL_DENSITY)
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case FSMC_CS_NE2: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION2; break;
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case FSMC_CS_NE3: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION3; break;
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case FSMC_CS_NE4: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION4; break;
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case FSMC_CS_NE2: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION2; fsmcPsramRegion = FSMC_NOR_PSRAM2_BASE; break;
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case FSMC_CS_NE3: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION3; fsmcPsramRegion = FSMC_NOR_PSRAM3_BASE; break;
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case FSMC_CS_NE4: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION4; fsmcPsramRegion = FSMC_NOR_PSRAM4_BASE; break;
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#endif
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default: return;
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}
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@ -179,13 +180,8 @@
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gpio_set_mode(PIN_MAP[cs].gpio_device, PIN_MAP[cs].gpio_bit, GPIO_AF_OUTPUT_PP); //FSMC_CS_NEx
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gpio_set_mode(PIN_MAP[rs].gpio_device, PIN_MAP[rs].gpio_bit, GPIO_AF_OUTPUT_PP); //FSMC_RS_Ax
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#if ENABLED(STM32_XL_DENSITY)
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FSMC_NOR_PSRAM4_BASE->BCR = FSMC_BCR_WREN | FSMC_BCR_MTYP_SRAM | FSMC_BCR_MWID_16BITS | FSMC_BCR_MBKEN;
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FSMC_NOR_PSRAM4_BASE->BTR = (FSMC_DATA_SETUP_TIME << 8) | FSMC_ADDRESS_SETUP_TIME;
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#else // PSRAM1 for STM32F103V (high density)
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FSMC_NOR_PSRAM1_BASE->BCR = FSMC_BCR_WREN | FSMC_BCR_MTYP_SRAM | FSMC_BCR_MWID_16BITS | FSMC_BCR_MBKEN;
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FSMC_NOR_PSRAM1_BASE->BTR = (FSMC_DATA_SETUP_TIME << 8) | FSMC_ADDRESS_SETUP_TIME;
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#endif
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fsmcPsramRegion->BCR = FSMC_BCR_WREN | FSMC_BCR_MTYP_SRAM | FSMC_BCR_MWID_16BITS | FSMC_BCR_MBKEN;
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fsmcPsramRegion->BTR = (FSMC_DATA_SETUP_TIME << 8) | FSMC_ADDRESS_SETUP_TIME;
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afio_remap(AFIO_REMAP_FSMC_NADV);
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