From ca721fb292c0d17c586caf1993a22a10f6fffd9c Mon Sep 17 00:00:00 2001 From: Zhao Qiang Date: Wed, 30 Apr 2014 16:45:31 +0800 Subject: [PATCH] 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 --- drivers/qe/qe.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/qe/qe.c b/drivers/qe/qe.c index b1da75ec4d..9c5fbd1d69 100644 --- 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; } -- 2.30.2