qe: disable qe when qe-ucode fails to be uploaded for "deep sleep"

when qe-ucode fails to be uploaded, "deep sleep" will hang.
if there is no qe-ucode, disable qe module for platforms
which support "deep sleep"

Signed-off-by: Zhao Qiang <B45475@freescale.com>

diff --git a/drivers/qe/qe.c b/drivers/qe/qe.c
index b1da75ec4d924dc4471c7daabe77fdef81a7fa1c..9c5fbd1d69474024c3758d9dffa0405ae2370444 100644 (file)
--- a/drivers/qe/qe.c
+++ b/drivers/qe/qe.c
@@ -14,6 +14,8 @@
 #include "asm/immap_qe.h"
 #include "qe.h"
 
+#define MPC85xx_DEVDISR_QE_DISABLE     0x1
+
 qe_map_t               *qe_immr = NULL;
 static qe_snum_t       snums[QE_NUM_OF_SNUM];
 
@@ -317,7 +319,9 @@ int qe_upload_firmware(const struct qe_firmware *firmware)
        size_t calc_size = sizeof(struct qe_firmware);
        size_t length;
        const struct qe_header *hdr;
-
+#ifdef CONFIG_DEEP_SLEEP
+       ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+#endif
        if (!firmware) {
                printf("Invalid address\n");
                return -EINVAL;
@@ -330,6 +334,9 @@ int qe_upload_firmware(const struct qe_firmware *firmware)
        if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
            (hdr->magic[2] != 'F')) {
                printf("Not a microcode\n");
+#ifdef CONFIG_DEEP_SLEEP
+               setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_QE_DISABLE);
+#endif
                return -EPERM;
        }