diff options
| author | Haiying Wang <Haiying.Wang@freescale.com> | 2009-03-26 17:01:49 -0400 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2009-03-30 13:33:50 -0500 |
| commit | 2d4de6ae5be54b367a72a7ef4e0cf36a9cd4881f (patch) | |
| tree | 218d790237012d3388b28ca8689a237e0a332a34 /drivers/qe | |
| parent | 1b3e4044a28a3d95b0aad41bdc52482bb2cc9b2b (diff) | |
MPC85xx: Load and enable QE microcode patch in IRAM
For the silicon which doesn't have ROM support in QE, it always needs to load
a pre-built ucode binary to IRAM so that QE can work.
Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Hillel Avni <Hillel.Avni@freescale.com>
Diffstat (limited to 'drivers/qe')
| -rw-r--r-- | drivers/qe/qe.c | 9 | ||||
| -rw-r--r-- | drivers/qe/qe.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/qe/qe.c b/drivers/qe/qe.c index e90a4a5fe..ea5a14b0b 100644 --- a/drivers/qe/qe.c +++ b/drivers/qe/qe.c @@ -161,6 +161,15 @@ void qe_init(uint qe_base) /* Init the QE IMMR base */ qe_immr = (qe_map_t *)qe_base; +#ifdef CONFIG_SYS_QE_FW_ADDR + /* Upload microcode to IRAM for those SOCs which do not have ROM in QE. + */ + qe_upload_firmware((const struct qe_firmware *) CONFIG_SYS_QE_FW_ADDR); + + /* enable the microcode in IRAM */ + out_be32(&qe_immr->iram.iready,QE_IRAM_READY); +#endif + gd->mp_alloc_base = QE_DATAONLY_BASE; gd->mp_alloc_top = gd->mp_alloc_base + QE_DATAONLY_SIZE; diff --git a/drivers/qe/qe.h b/drivers/qe/qe.h index a55555f66..d78edba23 100644 --- a/drivers/qe/qe.h +++ b/drivers/qe/qe.h @@ -230,6 +230,7 @@ typedef enum qe_clock { /* I-RAM */ #define QE_IRAM_IADD_AIE 0x80000000 /* Auto Increment Enable */ #define QE_IRAM_IADD_BADDR 0x00080000 /* Base Address */ +#define QE_IRAM_READY 0x80000000 /* Structure that defines QE firmware binary files. * |