commit 0324f1b0233df0f423bbcde8bff80a9a4645ffee
author Bohdan Kovalchuk <bohd@cypress.com> Tue May 26 08:04:24 2020 -0500
committer Roman Okhrimenko <roman.okhrimenko@cypress.com> Fri May 29 03:40:28 2020 +0300
tree 5b1c0a968d26c66bd2d13797f2ca73af43d6fe0e
parent 50d24a57516f558dac72bef634723b60c5cfb46b

Add external memory support for cypress platform

Signed-off-by: Bohdan Kovalchuk <bohd@cypress.com>
Signed-off-by: Roman Okhrimenko <roman.okhrimenko@cypress.com>

boot/cypress/MCUBootApp/main.c

diff --git a/boot/cypress/MCUBootApp/main.c b/boot/cypress/MCUBootApp/main.c
index e908d07..968f0b6 100644
--- a/boot/cypress/MCUBootApp/main.c
+++ b/boot/cypress/MCUBootApp/main.c
@@ -22,6 +22,11 @@
 #include "cy_retarget_io_pdl.h"
 #include "cy_result.h"
 
+#include "cycfg_clocks.h"
+#include "cycfg_peripherals.h"
+#include "cycfg_pins.h"
+
+#include "flash_qspi.h"
 #include "sysflash/sysflash.h"
 #include "flash_map_backend/flash_map_backend.h"
 
@@ -56,6 +61,7 @@
 int main(void)
 {
     struct boot_rsp rsp ;
+    cy_rslt_t rc = !CY_RSLT_SUCCESS;
 
     init_cycfg_clocks();
     init_cycfg_peripherals();
@@ -68,11 +74,29 @@
 
     BOOT_LOG_INF("MCUBoot Bootloader Started");
 
-    if (boot_go(&rsp) == 0) {
-        BOOT_LOG_INF("User Application validated successfully");
-        do_boot(&rsp);
-    } else
-        BOOT_LOG_INF("MCUBoot Bootloader found none of bootable images") ;
-
+#ifdef CY_BOOT_USE_EXTERNAL_FLASH
+    int smif_id = 1; /* Assume SlaveSelect_0 is used for External Memory */
+    /* Acceptable values are:
+    * 0 - SMIF disabled (no external memory);
+    * 1, 2, 3 or 4 - slave select line memory module is connected to.
+    */
+    rc = qspi_init_sfdp(smif_id);
+    if(rc == CY_SMIF_SUCCESS)
+    {
+        BOOT_LOG_INF("External Memory initialized w/ SFDP.");
+    }
+    else
+    {
+        BOOT_LOG_ERR("External Memory initialization w/ SFDP FAILED: 0x%02x", (int)rc);
+    }
+    if(0 == rc)
+#endif
+    {
+        if (boot_go(&rsp) == 0) {
+            BOOT_LOG_INF("User Application validated successfully");
+            do_boot(&rsp);
+        } else
+            BOOT_LOG_INF("MCUBoot Bootloader found none of bootable images") ;
+    }
     return 0;
 }