fdt: add crypto node handling for MPC8{3, 5}xxE processors

[karo-tx-uboot.git] / cpu / mpc83xx / fdt.c

diff --git a/cpu/mpc83xx/fdt.c b/cpu/mpc83xx/fdt.c
index 02c4d0529ce30dbbd3494bac860d1ae5412c3714..267ae6adc53a0c0563f0e8cd290e3c7d71e21fbd 100644 (file)
--- a/cpu/mpc83xx/fdt.c
+++ b/cpu/mpc83xx/fdt.c
@@ -26,6 +26,7 @@
 #include <common.h>
 #include <libfdt.h>
 #include <fdt_support.h>
+#include <asm/processor.h>
 
 extern void ft_qe_setup(void *blob);
 
@@ -33,6 +34,23 @@ DECLARE_GLOBAL_DATA_PTR;
 
 void ft_cpu_setup(void *blob, bd_t *bd)
 {
+       immap_t *immr = (immap_t *)CFG_IMMR;
+       int spridr = immr->sysconf.spridr;
+
+       /*
+        * delete crypto node if not on an E-processor
+        * initial revisions of the MPC834xE/6xE have the original SEC 2.0.
+        * EA revisions got the SEC uprevved to 2.4 but since the default device
+        * tree contains SEC 2.0 properties we uprev them here.
+        */
+       if (!IS_E_PROCESSOR(spridr))
+               fdt_fixup_crypto_node(blob, 0);
+       else if (IS_E_PROCESSOR(spridr) &&
+                (SPR_FAMILY(spridr) == SPR_834X_FAMILY ||
+                 SPR_FAMILY(spridr) == SPR_836X_FAMILY) &&
+                REVID_MAJOR(spridr) >= 2)
+               fdt_fixup_crypto_node(blob, 0x0204);
+
 #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
     defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
        fdt_fixup_ethernet(blob, bd);