Fix / optimize FSMC init (#18941)

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Victor Oliveira 2020-08-07 03:55:15 -03:00 committed by GitHub
parent 5e08efb0fc
commit cec035688d
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 14 additions and 22 deletions

View File

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

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@ -104,16 +104,17 @@
void LCD_IO_Init(uint8_t cs, uint8_t rs) { void LCD_IO_Init(uint8_t cs, uint8_t rs) {
uint32_t controllerAddress; uint32_t controllerAddress;
struct fsmc_nor_psram_reg_map* fsmcPsramRegion;
if (fsmcInit) return; if (fsmcInit) return;
fsmcInit = 1; fsmcInit = 1;
switch (cs) { switch (cs) {
case FSMC_CS_NE1: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION1; break; case FSMC_CS_NE1: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION1; fsmcPsramRegion = FSMC_NOR_PSRAM1_BASE; break;
#if ENABLED(STM32_XL_DENSITY) #if ENABLED(STM32_XL_DENSITY)
case FSMC_CS_NE2: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION2; break; case FSMC_CS_NE2: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION2; fsmcPsramRegion = FSMC_NOR_PSRAM2_BASE; break;
case FSMC_CS_NE3: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION3; break; case FSMC_CS_NE3: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION3; fsmcPsramRegion = FSMC_NOR_PSRAM3_BASE; break;
case FSMC_CS_NE4: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION4; break; case FSMC_CS_NE4: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION4; fsmcPsramRegion = FSMC_NOR_PSRAM4_BASE; break;
#endif #endif
default: return; default: return;
} }
@ -179,13 +180,8 @@
gpio_set_mode(PIN_MAP[cs].gpio_device, PIN_MAP[cs].gpio_bit, GPIO_AF_OUTPUT_PP); //FSMC_CS_NEx gpio_set_mode(PIN_MAP[cs].gpio_device, PIN_MAP[cs].gpio_bit, GPIO_AF_OUTPUT_PP); //FSMC_CS_NEx
gpio_set_mode(PIN_MAP[rs].gpio_device, PIN_MAP[rs].gpio_bit, GPIO_AF_OUTPUT_PP); //FSMC_RS_Ax gpio_set_mode(PIN_MAP[rs].gpio_device, PIN_MAP[rs].gpio_bit, GPIO_AF_OUTPUT_PP); //FSMC_RS_Ax
#if ENABLED(STM32_XL_DENSITY) fsmcPsramRegion->BCR = FSMC_BCR_WREN | FSMC_BCR_MTYP_SRAM | FSMC_BCR_MWID_16BITS | FSMC_BCR_MBKEN;
FSMC_NOR_PSRAM4_BASE->BCR = FSMC_BCR_WREN | FSMC_BCR_MTYP_SRAM | FSMC_BCR_MWID_16BITS | FSMC_BCR_MBKEN; fsmcPsramRegion->BTR = (FSMC_DATA_SETUP_TIME << 8) | FSMC_ADDRESS_SETUP_TIME;
FSMC_NOR_PSRAM4_BASE->BTR = (FSMC_DATA_SETUP_TIME << 8) | FSMC_ADDRESS_SETUP_TIME;
#else // PSRAM1 for STM32F103V (high density)
FSMC_NOR_PSRAM1_BASE->BCR = FSMC_BCR_WREN | FSMC_BCR_MTYP_SRAM | FSMC_BCR_MWID_16BITS | FSMC_BCR_MBKEN;
FSMC_NOR_PSRAM1_BASE->BTR = (FSMC_DATA_SETUP_TIME << 8) | FSMC_ADDRESS_SETUP_TIME;
#endif
afio_remap(AFIO_REMAP_FSMC_NADV); afio_remap(AFIO_REMAP_FSMC_NADV);