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stm32: Add sdio support

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Adds sdio support for the stm32f4 to allow for SD card flash updates
without power cycling some boards, e.g. BTT Octopus Pro.

Signed-off-by: H. Gregor Molter <gregor.molter@secretlab.de>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
H. Gregor Molter
2023-02-20 19:52:36 -05:00
committed by Kevin O'Connor
parent 848a78d1a5
commit d7bd7f1f4b
12 changed files with 1050 additions and 11 deletions
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1
src/stm32/internal.h
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@@ -32,6 +32,7 @@ extern GPIO_TypeDef * const digital_regs[];
#define GPIO_INPUT 0
#define GPIO_OUTPUT 1
#define GPIO_OPEN_DRAIN 0x100
#define GPIO_HIGH_SPEED 0x200
#define GPIO_FUNCTION(fn) (2 | ((fn) << 4))
#define GPIO_ANALOG 3
void gpio_peripheral(uint32_t gpio, uint32_t mode, int pullup);