rockchip: arm64: rk3399: add ddr controller driver

[oweals/u-boot.git] / tools / rkcommon.c

diff --git a/tools/rkcommon.c b/tools/rkcommon.c
index 72621fd095c69b69e7db9878b17b5bac30e8636b..6595e02c1c5b87e9e4c6b659bcd8c90365e5193a 100644 (file)
--- a/tools/rkcommon.c
+++ b/tools/rkcommon.c
@@ -46,16 +46,20 @@ struct header0_info {
  * @imagename:         Image name(passed by "mkimage -n")
  * @spl_hdr:           Boot ROM requires a 4-bytes spl header
  * @spl_size:          Spl size(include extra 4-bytes spl header)
+ * @spl_rc4:           RC4 encode the SPL binary (same key as header)
  */
 struct spl_info {
        const char *imagename;
        const char *spl_hdr;
        const uint32_t spl_size;
+       const bool spl_rc4;
 };
 
 static struct spl_info spl_infos[] = {
-       { "rk3036", "RK30", 0x1000 },
-       { "rk3288", "RK32", 0x8000 },
+       { "rk3036", "RK30", 0x1000, false },
+       { "rk3188", "RK31", 0x8000 - 0x800, true },
+       { "rk3288", "RK32", 0x8000, false },
+       { "rk3399", "RK33", 0x20000, false },
 };
 
 static unsigned char rc4_key[16] = {
@@ -112,6 +116,16 @@ int rkcommon_get_spl_size(struct image_tool_params *params)
        return info->spl_size;
 }
 
+bool rkcommon_need_rc4_spl(struct image_tool_params *params)
+{
+       struct spl_info *info = rkcommon_get_spl_info(params->imagename);
+
+       /*
+        * info would not be NULL, because of we checked params before.
+        */
+       return info->spl_rc4;
+}
+
 int rkcommon_set_header(void *buf, uint file_size,
                        struct image_tool_params *params)
 {
@@ -123,7 +137,7 @@ int rkcommon_set_header(void *buf, uint file_size,
        memset(buf,  '\0', RK_INIT_OFFSET * RK_BLK_SIZE);
        hdr = (struct header0_info *)buf;
        hdr->signature = RK_SIGNATURE;
-       hdr->disable_rc4 = 1;
+       hdr->disable_rc4 = !rkcommon_need_rc4_spl(params);
        hdr->init_offset = RK_INIT_OFFSET;
 
        hdr->init_size = (file_size + RK_BLK_SIZE - 1) / RK_BLK_SIZE;
@@ -134,3 +148,16 @@ int rkcommon_set_header(void *buf, uint file_size,
 
        return 0;
 }
+
+void rkcommon_rc4_encode_spl(void *buf, unsigned int offset, unsigned int size)
+{
+       unsigned int remaining = size;
+
+       while (remaining > 0) {
+               int step = (remaining > RK_BLK_SIZE) ? RK_BLK_SIZE : remaining;
+
+               rc4_encode(buf + offset, step, rc4_key);
+               offset += RK_BLK_SIZE;
+               remaining -= step;
+       }
+}