From: Haiying Wang <haiying.w...@freescale.com>
In the case the QE's microcode is stored in nand flash, we need to load it from
NAND flash to ddr first then the qe_init can get the ucode correctly.
Signed-off-by: Haiying Wang <haiying.w...@freescale.com>
---
arch/powerpc/cpu/mpc85xx/cpu_init.c | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c
b/arch/powerpc/cpu/mpc85xx/cpu_init.c
index 215b7b3..5642cd7 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c
@@ -37,6 +37,10 @@
#include <asm/fsl_law.h>
#include <asm/fsl_serdes.h>
#include "mp.h"
+#ifdef CONFIG_SYS_QE_FW_IN_NAND
+#include <nand.h>
+#include <errno.h>
+#endif
DECLARE_GLOBAL_DATA_PTR;
@@ -448,6 +452,19 @@ void cpu_secondary_init_r(void)
{
#ifdef CONFIG_QE
uint qe_base = CONFIG_SYS_IMMR + 0x00080000; /* QE immr base */
+#ifdef CONFIG_SYS_QE_FW_IN_NAND
+ int ret;
+ size_t fw_length = CONFIG_SYS_QE_FW_LENGTH;
+
+ /* load QE firmware from NAND flash to DDR first */
+ ret = nand_read(&nand_info[0], (loff_t)CONFIG_SYS_QE_FW_IN_NAND,
+ &fw_length, (u_char *)CONFIG_SYS_QE_FW_ADDR);
+
+ if (ret && ret == -EUCLEAN) {
+ printf ("NAND read for QE firmware at offset %x failed %d\n",
+ CONFIG_SYS_QE_FW_IN_NAND, ret);
+ }
+#endif
qe_init(qe_base);
qe_reset();
#endif
--
1.7.3.1.50.g1e633
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