From e8da4eab2e5d1ce5219a587e8c5909989d72907b Mon Sep 17 00:00:00 2001
From: Adeeb Shihadeh <adeebshihadeh@gmail.com>
Date: Sat, 15 Jul 2023 22:53:34 -0700
Subject: [PATCH] SPI: increase buffer size on H7

---
 board/drivers/spi.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/board/drivers/spi.h b/board/drivers/spi.h
index 2c85184871..5f1711100f 100644
--- a/board/drivers/spi.h
+++ b/board/drivers/spi.h
@@ -2,7 +2,6 @@
 
 #include "crc.h"
 
-#define SPI_BUF_SIZE 1024U
 #define SPI_TIMEOUT_US 10000U
 
 // got max rate from hitting a non-existent endpoint
@@ -10,9 +9,11 @@
 #define SPI_IRQ_RATE  16000U
 
 #ifdef STM32H7
+#define SPI_BUF_SIZE 2048U
 __attribute__((section(".ram_d1"))) uint8_t spi_buf_rx[SPI_BUF_SIZE];
-__attribute__((section(".ram_d1"))) uint8_t spi_buf_tx[SPI_BUF_SIZE];
+__attribute__((section(".ram_d2"))) uint8_t spi_buf_tx[SPI_BUF_SIZE];
 #else
+#define SPI_BUF_SIZE 1024U
 uint8_t spi_buf_rx[SPI_BUF_SIZE];
 uint8_t spi_buf_tx[SPI_BUF_SIZE];
 #endif