stm32mp1: Add support for SPI-NOR boot device
STM32MP1 platform is able to boot from SPI-NOR devices.
These modifications add this support using the new
SPI-NOR framework.
Change-Id: I75ff9eba4661f9fb87ce24ced2bacbf8558ebe44
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
diff --git a/plat/st/stm32mp1/stm32mp1_boot_device.c b/plat/st/stm32mp1/stm32mp1_boot_device.c
index fa352f3..2d8eccf 100644
--- a/plat/st/stm32mp1/stm32mp1_boot_device.c
+++ b/plat/st/stm32mp1/stm32mp1_boot_device.c
@@ -11,6 +11,7 @@
#include <plat/common/platform.h>
#define SZ_512 0x200U
+#define SZ_64M 0x4000000U
#if STM32MP_RAW_NAND || STM32MP_SPI_NAND
static int get_data_from_otp(struct nand_device *nand_dev, bool is_slc)
@@ -149,3 +150,21 @@
}
#endif
+#if STM32MP_SPI_NOR
+int plat_get_nor_data(struct nor_device *device)
+{
+ device->size = SZ_64M;
+
+ zeromem(&device->read_op, sizeof(struct spi_mem_op));
+ device->read_op.cmd.opcode = SPI_NOR_OP_READ_1_1_4;
+ device->read_op.cmd.buswidth = SPI_MEM_BUSWIDTH_1_LINE;
+ device->read_op.addr.nbytes = 3U;
+ device->read_op.addr.buswidth = SPI_MEM_BUSWIDTH_1_LINE;
+ device->read_op.dummy.nbytes = 1U;
+ device->read_op.dummy.buswidth = SPI_MEM_BUSWIDTH_1_LINE;
+ device->read_op.data.buswidth = SPI_MEM_BUSWIDTH_4_LINE;
+ device->read_op.data.dir = SPI_MEM_DATA_IN;
+
+ return 0;
+}
+#endif