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path: root/drivers/net/fsl-mc
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Diffstat (limited to 'drivers/net/fsl-mc')
-rw-r--r--drivers/net/fsl-mc/mc.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/net/fsl-mc/mc.c b/drivers/net/fsl-mc/mc.c
index 1811b0fe1a..46b8a6bc69 100644
--- 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"
);