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| author | Zhao Qiang <B45475@freescale.com> | 2014-04-30 16:45:31 +0800 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2014-05-13 08:26:56 -0700 |
| commit | ca721fb292c0d17c586caf1993a22a10f6fffd9c (patch) | |
| tree | c633ff87d0120eb58cfa202901912f6c1e2b087f /drivers/qe/qe.c | |
| parent | eab3bfbcd18daa8c29c8b6eda00527c01d6f8f27 (diff) | |
| download | u-boot-imx-ca721fb292c0d17c586caf1993a22a10f6fffd9c.zip u-boot-imx-ca721fb292c0d17c586caf1993a22a10f6fffd9c.tar.gz u-boot-imx-ca721fb292c0d17c586caf1993a22a10f6fffd9c.tar.bz2 | |
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>
Diffstat (limited to 'drivers/qe/qe.c')
| -rw-r--r-- | drivers/qe/qe.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/qe/qe.c b/drivers/qe/qe.c index b1da75e..9c5fbd1 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; } |