fix(openocd): config file support for second flash bank

bootloader/build_image.sh

 #!/bin/sh
 set -e
 
+echo "build image" $1 $2 $3
 PYTHON="$1"
 ELF="$2"
 BIN="$3"

bootloader/crc_patch.py

@@ -6,12 +6,12 @@ crc = 0
 
 data = open(sys.argv[1], 'rb').read()
 crc = crc16.crc16xmodem(data)
-print(crc)
+#print(crc)
 
 padded = data + bytes([crc >> 8, crc & 0xFF])
 
 crc = 0
 crc = crc16.crc16xmodem(padded)
-print(crc)
+#print(crc)
 
 open(sys.argv[1], 'wb').write(padded)

bootloader/main.c

@@ -20,8 +20,11 @@
 
 
 #define PARTITION_START (0x10000000 + 64 * 1024)
-#define PARTITION_END (0x10000000 + 512 * 1024 - 1) /* TODO: check if 1 MB also works. Might have to enable the second bank */
-//#define PARTITION_END (0x10000000 + 1024 * 1024 - 1)
+//#define PARTITION_END (0x10000000 + 512 * 1024 - 1) /* TODO: check if 1 MB also works. Might have to enable the second bank */
+#define PARTITION_END (0x10000000 + 1024 * 1024 - 1)
+
+//#define PARTITION_START (0x10080000)
+//#define PARTITION_END (0x10000000 + 1024 * 1024 - 1) /* TODO: check if 1 MB also works. Might have to enable the second bank */
 
 extern void run_usbmsc(void);
 
@@ -188,13 +191,14 @@ int main(void)
         while(1);
     }
 
+    //MXC_FLC0->clkdiv = 96;
+    //MXC_FLC0->clkdiv = 96;
 
     if(mount()) {
         if(check_integrity()) {
             printf("Found valid application image\n");
             if(is_update_needed()) {
                 printf("Trying to update application from external flash\n");
-                MXC_FLC0->clkdiv = 54;
                 erase_partition();
                 flash_partition();
             } else {

epicardium/meson.build

@@ -60,6 +60,7 @@ custom_target(
   name + '.bin',
   build_by_default: true,
   output: name + '.bin',
+  #output: 'card10.bin',
   input: elf,
   command: [build_image, '@INPUT@', '@OUTPUT0@'],
 )

lib/card10/card10.c

@@ -174,7 +174,7 @@ void card10_diag(void)
 
 void core1_start(void) {
     //MXC_GCR->gp0 = (uint32_t)(&__isr_vector_core1);
-    MXC_GCR->gp0 = 0x10040000;
+    MXC_GCR->gp0 = 0x10080000;
     MXC_GCR->perckcn1 &= ~MXC_F_GCR_PERCKCN1_CPU1;
 }
 

lib/sdk/Libraries/CMSIS/Device/Maxim/MAX32665/Source/GCC/max32665_core1.ld

@@ -38,7 +38,7 @@
 /* If used, they should be adjusted for the external Flash/RAM size */
 MEMORY {
     SPIX (rx)  : ORIGIN = 0x08000000, LENGTH = 128M
-    FLASH (rx) : ORIGIN = 0x10040000, LENGTH = 256k
+    FLASH (rx) : ORIGIN = 0x10080000, LENGTH = 512k
     SRAM (rwx) : ORIGIN = 0x20040000, LENGTH = 256k
     SPID (r)   : ORIGIN = 0x80000000, LENGTH = 512M
 }

lib/sdk/Libraries/MAX32665PeriphDriver/Source/flc.c

@@ -199,14 +199,18 @@ int FLC_PageErase(uint32_t address)
     uint32_t addr;
     mxc_flc_regs_t *flc = NULL;
     
+    printf("%p\n", address);
     // Get FLC Instance
     if ((err = SYS_FLC_GetByAddress(&flc, address)) != E_NO_ERROR) {
+        printf("A\n");
         return err;
     }
     if ((err = SYS_FLC_GetPhysicalAddress(address, &addr)) < E_NO_ERROR) {
+        printf("B\n");
         return err;
     }
     if ((err = prepare_flc(flc)) != E_NO_ERROR) {
+        printf("C\n");
         return err;
     }
     
@@ -227,6 +231,7 @@ int FLC_PageErase(uint32_t address)
     /* Check access violations */
     if (flc->intr & MXC_F_FLC_INTR_AF) {
         flc->intr &= ~MXC_F_FLC_INTR_AF;
+        printf("D\n");
         return E_BAD_STATE;
     }
     

openocd/scripts/target/max32665.cfg

@@ -9,8 +9,10 @@ reset_config none
 
 # Set flash parameters
 set FLASH_BASE 0x10000000
-set FLASH_SIZE 0x300000
+set FLASH_BASE1 0x10080000
+set FLASH_SIZE 0x80000
 set FLC_BASE 0x40029000
+set FLC_BASE1 0x40029400
 set FLASH_SECTOR 0x2000
 set FLASH_CLK 96
 set FLASH_OPTIONS 0x01

openocd/scripts/target/max32xxx.cfg

@@ -93,3 +93,8 @@ if { [info exists FLASH_OPTIONS] } {
 
 flash bank $_CHIPNAME.flash max32xxx $_FLASH_BASE $_FLASH_SIZE 0 0 $_CHIPNAME.cpu \
 $_FLC_BASE $_FLASH_SECTOR $_FLASH_CLK $_FLASH_OPTIONS
+
+if { [info exists FLASH_BASE1] } {
+  flash bank $_CHIPNAME.flash1 max32xxx $FLASH_BASE1 $_FLASH_SIZE 0 0 $_CHIPNAME.cpu \
+  $FLC_BASE1 $_FLASH_SECTOR $_FLASH_CLK $_FLASH_OPTIONS
+}

pycardium/meson.build

@@ -67,6 +67,15 @@ custom_target(
   name + '.bin',
   build_by_default: true,
   output: name + '.bin',
-  input: elf,
+  #input: [elf, 'epicardium/epicardium.bin'],
+  input: [elf],
   command: [build_image, '@INPUT@', '@OUTPUT0@'],
 )
+
+#custom_target(
+#  name + '.b1n',
+#  build_by_default: true,
+#  output: name + '.b1n',
+#  input: bin,
+#  command: [build_image, '@INPUT@', '@OUTPUT0@'],
+#)