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

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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>
This commit is contained in:
Zhao Qiang 2014-04-30 16:45:31 +08:00 committed by York Sun
parent eab3bfbcd1
commit ca721fb292
1 changed files with 8 additions and 1 deletions
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9
drivers/qe/qe.c
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@ -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;
}