[U-Boot] [PATCH] armv8/fdt: add fixup_crypto_node

Alex Porosanu alexandru.porosanu at nxp.com
Mon Apr 11 09:42:50 CEST 2016


For Qoriq PPC&ARM v7 platforms, the crypto node is being fixup'ed in order
to update the SEC internal version (aka SEC ERA). This patch adds the
same functionality to the ARMv8 SoCs.

Signed-off-by: Alex Porosanu <alexandru.porosanu at nxp.com>
---
 arch/arm/cpu/armv8/fsl-layerscape/fdt.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
index 1e875c4..d17227a 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
@@ -20,6 +20,8 @@
 #ifdef CONFIG_MP
 #include <asm/arch/mp.h>
 #endif
+#include <fsl_sec.h>
+#include <asm/arch-fsl-layerscape/soc.h>
 
 int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
 {
@@ -75,6 +77,23 @@ void ft_fixup_cpu(void *blob)
 
 void ft_cpu_setup(void *blob, bd_t *bd)
 {
+#ifdef CONFIG_FSL_LSCH2
+	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+	unsigned int svr = in_be32(&gur->svr);
+
+	/* delete crypto node if not on an E-processor */
+	if (!IS_E_PROCESSOR(svr))
+		fdt_fixup_crypto_node(blob, 0);
+#if CONFIG_SYS_FSL_SEC_COMPAT >= 4
+	else {
+		ccsr_sec_t __iomem *sec;
+
+		sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
+		fdt_fixup_crypto_node(blob, sec_in32(&sec->secvid_ms));
+	}
+#endif
+#endif
+
 #ifdef CONFIG_MP
 	ft_fixup_cpu(blob);
 #endif
-- 
1.9.3



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