From 6b70ffb9d1b2e791161f3cf92937aa45b4a07b78 Mon Sep 17 00:00:00 2001
From: Kim Phillips
Date: Mon, 16 Jun 2008 15:55:53 -0500
Subject: fdt: add crypto node handling for MPC8{3, 5}xxE processors

Delete the crypto node if not on an E-processor.  If on 8360 or 834x family,
check rev and up-rev crypto node (to SEC rev. 2.4 property values)
if on an 'EA' processor, e.g. MPC8349EA.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
---
 cpu/mpc83xx/fdt.c | 18 ++++++++++++++++++
 cpu/mpc85xx/fdt.c |  5 +++++
 2 files changed, 23 insertions(+)

(limited to 'cpu')

diff --git a/cpu/mpc83xx/fdt.c b/cpu/mpc83xx/fdt.c
index 02c4d0529ce..267ae6adc53 100644
--- 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);
diff --git a/cpu/mpc85xx/fdt.c b/cpu/mpc85xx/fdt.c
index 92952e6d6ef..c8d2c6ac220 100644
--- a/cpu/mpc85xx/fdt.c
+++ b/cpu/mpc85xx/fdt.c
@@ -29,6 +29,7 @@
 #include <asm/processor.h>
 
 extern void ft_qe_setup(void *blob);
+
 #ifdef CONFIG_MP
 #include "mp.h"
 DECLARE_GLOBAL_DATA_PTR;
@@ -205,6 +206,10 @@ static inline void ft_fixup_cache(void *blob)
 
 void ft_cpu_setup(void *blob, bd_t *bd)
 {
+	/* delete crypto node if not on an E-processor */
+	if (!IS_E_PROCESSOR(get_svr()))
+		fdt_fixup_crypto_node(blob, 0);
+
 #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
     defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
 	fdt_fixup_ethernet(blob, bd);
-- 
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