cortexelf-v1: Bump SPI pin speed to 40MHz to for sdcard. Fix VGA DMA.

Tell the DMA code to leave the DMA engine enabled so the VGA output
can use it.

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/src/cortexelf-v1/ao_pins.h b/src/cortexelf-v1/ao_pins.h
index 50add5d386e6453dd8be1543444fba3ee2dafc6b..258ffe31f79e43518cce3575086614777219eea8 100644 (file)
--- a/src/cortexelf-v1/ao_pins.h
+++ b/src/cortexelf-v1/ao_pins.h
@@ -90,12 +90,12 @@
 #define HAS_SPI_2              1
 #define SPI_2_PB13_PB14_PB15   0
 #define SPI_2_PD1_PD3_PD4      1       /* LED displays, microSD */
 #define HAS_SPI_2              1
 #define SPI_2_PB13_PB14_PB15   0
 #define SPI_2_PD1_PD3_PD4      1       /* LED displays, microSD */

-#define SPI_2_OSPEEDR          STM_OSPEEDR_10MHz
+#define SPI_2_OSPEEDR          STM_OSPEEDR_40MHz

 
 #define SPI_2_PORT             (&stm_gpiod)
 
 #define SPI_2_PORT             (&stm_gpiod)

-#define SPI_2_SCK_PIN          1
-#define SPI_2_MISO_PIN         3
-#define SPI_2_MOSI_PIN         4
+//#define SPI_2_SCK_PIN                1
+//#define SPI_2_MISO_PIN               3
+//#define SPI_2_MOSI_PIN               4

 
 #define HAS_I2C_1              0
 #define I2C_1_PB8_PB9          0
 
 #define HAS_I2C_1              0
 #define I2C_1_PB8_PB9          0


@@ -125,6 +125,8 @@
 #define AO_SDCARD_SPI_MISO_PIN 3
 #define AO_SDCARD_SPI_MOSI_PIN 4
 
 #define AO_SDCARD_SPI_MISO_PIN 3
 #define AO_SDCARD_SPI_MOSI_PIN 4
 

+/* VGA */
+#define STM_DMA1_3_STOLEN      1

 /* Buttons */
 
 #define AO_EVENT               1
 /* Buttons */
 
 #define AO_EVENT               1