Initial import of NFC GNSS SDK project

2026-09-15 16:10:12 +08:00
commit 2746cc3d4e
3070 changed files with 892062 additions and 0 deletions
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+#include <string.h>
+#include "decompress.h"
+#include "bl2_arg.h"
+#include "syscall-arom.h"
+#include "loadtable.h"
+#include "reg.h"
+
+#if AROM_VERSION == 20200730 && \
+  (defined(MODULE_FASTBOOT_AROM_PATCH) || \
+  defined(MODULE_SECUREBOOT_AROM_PATCH))
+#define NEED_AROM_PATCH 1
+#endif
+/*---------------------------------------------------------------------------*/
+extern char _rodata, _rodata_size, _rodata_offset;
+extern char _ctext, _ctext_size, _ctext_offset;
+extern char _data, _data_size, _data_offset;
+#ifdef NEED_AROM_PATCH
+extern char _patch, _patch_size, _patch_offset;
+#endif
+extern char _end, __lzma_decode_start;
+/*---------------------------------------------------------------------------*/
+extern int  _start(bl2_arg_t *arg);
+/*---------------------------------------------------------------------------*/
+__attribute__ ((section(".ro.loadtable")))
+const uintptr_t _load_table[] = {
+  (uintptr_t)&_end,
+  'L' | 'D' << 8 | 'T' << 16 | 'B' << 24,
+  (uintptr_t)&_rodata, (uintptr_t)&_rodata_size, (uintptr_t)&_rodata_offset, (uintptr_t)&_rodata_size,
+  (uintptr_t)&_ctext, (uintptr_t)&_ctext_size, (uintptr_t)&_ctext_offset, (uintptr_t)&_ctext_size,
+  (uintptr_t)&_data, (uintptr_t)&_data_size, (uintptr_t)&_data_offset, (uintptr_t)&_data_size,
+#ifdef NEED_AROM_PATCH
+  (uintptr_t)&_patch, (uintptr_t)&_patch_size, (uintptr_t)&_patch_offset, (uintptr_t)&_patch_size,
+#endif
+  0
+};
+/*---------------------------------------------------------------------------*/
+#if AROM_VERSION == 20221106
+#define PMUM_CPRR                     0xD4050020
+#define CEVA_SYS_CTRL                 0xD4070030
+static void
+enable_x1_dtcm(void)
+{
+  writel(readl(CEVA_SYS_CTRL) | 0x1, CEVA_SYS_CTRL);
+  writel(readl(PMUM_CPRR) | (1 << 2 | 1 << 3), PMUM_CPRR);
+  /*DSRAMINT */
+  writel(readl(PMUM_CPRR) | (1 << 5), PMUM_CPRR);
+  writel(readl(PMUM_CPRR) & (~(1 << 2 | 1 << 3)), PMUM_CPRR);
+}
+#endif
+/*---------------------------------------------------------------------------*/
+static uint8_t *
+relocate_image(void)
+{
+  /* copy image to lzma decompression area */
+  uint32_t *end_addr = (uint32_t *)_load_table;
+  size_t size = (size_t)(*end_addr) - (size_t)&_start;
+  uint32_t *src = (uint32_t *)&_start;
+  uint32_t *dst = (uint32_t *)&__lzma_decode_start;
+  while(size) {
+    *dst++ = *src++;
+    size -= sizeof(uint32_t);
+  }
+
+  return (uint8_t *)&__lzma_decode_start;
+}
+/*---------------------------------------------------------------------------*/
+int
+process_loadtable(void)
+{
+  uint8_t *image_addr = relocate_image();
+
+#if (AROM_VERSION == 20221106) && defined(APPLICATION_FLASHER)
+  /* should be call at first before using any global variables */
+  /*
+   * CraneLx series only has 64K l2sram, enable x1 dtcm as extra spaces
+   * used by flasher application
+   */
+  enable_x1_dtcm();
+#endif
+
+  /* lzma decompressor need syscall */
+  syscall_init_lzma();
+
+  /* copy the initialized data segment if necessary */
+  if(copy_sections((struct load_table *)(_load_table + 2), image_addr)) {
+    return -1;
+  }
+  return 0;
+}