Merge branch 'master' of git://git.denx.de/u-boot

[oweals/u-boot.git] / drivers / net / fsl-mc / mc.c

diff --git a/drivers/net/fsl-mc/mc.c b/drivers/net/fsl-mc/mc.c
index 1811b0fe1a3f13d40203013bb4fb3a5a05c66b3e..46b8a6bc69912f4da1868fe6ca3f87d4fe9f8b78 100644 (file)
--- a/drivers/net/fsl-mc/mc.c
+++ b/drivers/net/fsl-mc/mc.c
@@ -40,6 +40,7 @@ int child_dprc_id;
 struct fsl_dpbp_obj *dflt_dpbp = NULL;
 struct fsl_dpio_obj *dflt_dpio = NULL;
 struct fsl_dpni_obj *dflt_dpni = NULL;
+static u64 mc_lazy_dpl_addr;
 
 #ifdef DEBUG
 void dump_ram_words(const char *title, void *addr)
@@ -572,6 +573,9 @@ int mc_apply_dpl(u64 mc_dpl_addr)
        u64 mc_ram_addr = mc_get_dram_addr();
        size_t mc_ram_size = mc_get_dram_block_size();
 
+       if (!mc_dpl_addr)
+               return -1;
+
        error = load_mc_dpl(mc_ram_addr, mc_ram_size, mc_dpl_addr);
        if (error != 0)
                return error;
@@ -1156,6 +1160,11 @@ int fsl_mc_ldpaa_exit(bd_t *bd)
 {
        int err = 0;
 
+       if (bd && mc_lazy_dpl_addr && !fsl_mc_ldpaa_exit(NULL)) {
+               mc_apply_dpl(mc_lazy_dpl_addr);
+               mc_lazy_dpl_addr = 0;
+       }
+
        /* MC is not loaded intentionally, So return success. */
        if (bd && get_mc_boot_status() != 0)
                return 0;
@@ -1259,6 +1268,7 @@ static int do_fsl_mc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
                }
                break;
 
+       case 'l':
        case 'a': {
                        u64 mc_dpl_addr;
 
@@ -1279,8 +1289,17 @@ static int do_fsl_mc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
                                return -ENODEV;
                        }
 
-                       if (!fsl_mc_ldpaa_exit(NULL))
-                               err = mc_apply_dpl(mc_dpl_addr);
+                       if (argv[1][0] == 'l') {
+                               /*
+                                * We will do the actual dpaa exit and dpl apply
+                                * later from announce_and_cleanup().
+                                */
+                               mc_lazy_dpl_addr = mc_dpl_addr;
+                       } else {
+                               /* The user wants it applied now */
+                               if (!fsl_mc_ldpaa_exit(NULL))
+                                       err = mc_apply_dpl(mc_dpl_addr);
+                       }
                        break;
                }
        default:
@@ -1298,5 +1317,6 @@ U_BOOT_CMD(
        "DPAA2 command to manage Management Complex (MC)",
        "start mc [FW_addr] [DPC_addr] - Start Management Complex\n"
        "fsl_mc apply DPL [DPL_addr] - Apply DPL file\n"
+       "fsl_mc lazyapply DPL [DPL_addr] - Apply DPL file on exit\n"
        "fsl_mc start aiop [FW_addr] - Start AIOP\n"
 );