powerpc/qe: update risc allocation for QE

Change the RISC allocation to macros instead of enum, add function to read
the number of risc engines from the new property "fsl,qe-num-riscs" under
the qe node in dts. Add new property "fsl,qe-num-riscs" description in
qe.txt

Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Haiying Wang
2009-05-01 15:40:47 -04:00
committed by Kumar Gala
parent ea5130dcb4
commit 06c4435021
3 changed files with 41 additions and 6 deletions

View File

@@ -152,6 +152,8 @@ unsigned int qe_get_brg_clk(void);
int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier);
int qe_get_snum(void);
void qe_put_snum(u8 snum);
unsigned int qe_get_num_of_risc(void);
/* we actually use cpm_muram implementation, define this for convenience */
#define qe_muram_init cpm_muram_init
#define qe_muram_alloc cpm_muram_alloc
@@ -231,12 +233,16 @@ struct qe_bd {
#define QE_ALIGNMENT_OF_PRAM 64
/* RISC allocation */
enum qe_risc_allocation {
QE_RISC_ALLOCATION_RISC1 = 1, /* RISC 1 */
QE_RISC_ALLOCATION_RISC2 = 2, /* RISC 2 */
QE_RISC_ALLOCATION_RISC1_AND_RISC2 = 3 /* Dynamically choose
RISC 1 or RISC 2 */
};
#define QE_RISC_ALLOCATION_RISC1 0x1 /* RISC 1 */
#define QE_RISC_ALLOCATION_RISC2 0x2 /* RISC 2 */
#define QE_RISC_ALLOCATION_RISC3 0x4 /* RISC 3 */
#define QE_RISC_ALLOCATION_RISC4 0x8 /* RISC 4 */
#define QE_RISC_ALLOCATION_RISC1_AND_RISC2 (QE_RISC_ALLOCATION_RISC1 | \
QE_RISC_ALLOCATION_RISC2)
#define QE_RISC_ALLOCATION_FOUR_RISCS (QE_RISC_ALLOCATION_RISC1 | \
QE_RISC_ALLOCATION_RISC2 | \
QE_RISC_ALLOCATION_RISC3 | \
QE_RISC_ALLOCATION_RISC4)
/* QE extended filtering Table Lookup Key Size */
enum qe_fltr_tbl_lookup_key_size {