[int][new][zbt] Add patch folder for release.

Project: Bluetooth

redmine: #5146, REDMINE-id

ext-redmine: bug|feat#id

Required by Zephyr.

Affected branch: [master]

Change-Id: I4d3d4b3cee148aa56794fcb3de6b9ba9fc77e5e0

Author: ganghe

patch/README.md

@@ -0,0 +1,11 @@
+# SiFli Bluetooth patches
+
+## Overview
+
+This is official Sifli bluetooth controller CPU(LCPU) images and patches release.
+Each subfolder contain the image and patches for a SiFli SF32LB soc serial, and also
+for installation help function implement. 
+
+Relevant documentation:
+- https://wiki.sifli.com/
+- https://docs.sifli.com/projects/sdk/latest/sf32lb52x/index.html

patch/sf32lb52/lcpu_install.c

@@ -0,0 +1,47 @@
+#include "rtconfig.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include "sf32lb52_lcpu.h"
+#include "sf32lb52_lcpu_patch.h"
+#include "bf0_hal.h"
+#include "mem_map.h"
+
+/* Install Bluetooth core (LCPU) image*/
+void lcpu_img_install()
+{
+    memcpy((void *)(HCPU_LCPU_CODE_START_ADDR), g_lcpu_bin, sizeof(g_lcpu_bin));
+}
+
+/* Install Bluetooth core (LCPU) image patch*/
+void lcpu_patch_install()
+{
+    memcpy((void *)(LCPU_PATCH_RECORD_ADDR), g_lcpu_patch_list, sizeof(g_lcpu_patch_list));
+    HAL_PATCH_install();
+    memset((void *)(LCPU_PATCH_START_ADDR_S), 0, LCPU_PATCH_TOTAL_SIZE);
+    memcpy((void *)(LCPU_PATCH_START_ADDR_S), g_lcpu_patch_bin, sizeof(g_lcpu_patch_bin));
+};
+
+/* Install Bluetooth core (LCPU) image patch for rev B chipsets*/
+void lcpu_patch_install_rev_b()
+{
+    uint32_t entry[3] = {0x48434150, 0xA, LCPU_PATCH_CODE_START_ADDR + 1};
+
+    memcpy((void *)LCPU_PATCH_BUF_START_ADDR, (void *)&entry, 12);
+    memset((void *)(LCPU_PATCH_CODE_START_ADDR_S), 0, LCPU_PATCH_CODE_SIZE);
+    memcpy((void *)(LCPU_PATCH_CODE_START_ADDR_S), g_lcpu_patch_bin, sizeof(g_lcpu_patch_bin));
+    HAL_PATCH_install();
+}
+
+/* Get patch entry address*/
+uint32_t *HAL_PATCH_GetEntryAddr(void)
+{
+    uint32_t *entry_addr;
+    uint8_t rev_id = __HAL_SYSCFG_GET_REVID();
+
+    if (rev_id >= HAL_CHIP_REV_ID_A4)
+        entry_addr = (uint32_t *)g_lcpu_patch_list;
+    else
+        entry_addr = (uint32_t *)LCPU_PATCH_RECORD_ADDR;
+    return entry_addr;
+}