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IXP4xx: Always ioremap() Queue Manager MMIO region at boot.

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It doesn't make much sense to map QMgr dynamically - we almost always need it
and the static mapping will be needed for little-endian data-coherent operation
(to make QMgr region value-coherent).

Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
This commit is contained in:
Krzysztof Hałasa
2010-03-26 16:38:52 +01:00
committed by Jason Cooper
parent 05cd3db0df
commit f0cdb15329
4 changed files with 17 additions and 21 deletions
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12
arch/arm/mach-ixp4xx/include/mach/qmgr.h
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@@ -86,7 +86,7 @@ void qmgr_release_queue(unsigned int queue);
static inline void qmgr_put_entry(unsigned int queue, u32 val)
{
extern struct qmgr_regs __iomem *qmgr_regs;
const struct qmgr_regs __iomem *qmgr_regs = (void __iomem *)IXP4XX_QMGR_BASE_VIRT;
#if DEBUG_QMGR
BUG_ON(!qmgr_queue_descs[queue]); /* not yet requested */
@@ -99,7 +99,7 @@ static inline void qmgr_put_entry(unsigned int queue, u32 val)
static inline u32 qmgr_get_entry(unsigned int queue)
{
u32 val;
extern struct qmgr_regs __iomem *qmgr_regs;
const struct qmgr_regs __iomem *qmgr_regs = (void __iomem *)IXP4XX_QMGR_BASE_VIRT;
val = __raw_readl(&qmgr_regs->acc[queue][0]);
#if DEBUG_QMGR
BUG_ON(!qmgr_queue_descs[queue]); /* not yet requested */
@@ -112,14 +112,14 @@ static inline u32 qmgr_get_entry(unsigned int queue)
static inline int __qmgr_get_stat1(unsigned int queue)
{
extern struct qmgr_regs __iomem *qmgr_regs;
const struct qmgr_regs __iomem *qmgr_regs = (void __iomem *)IXP4XX_QMGR_BASE_VIRT;
return (__raw_readl(&qmgr_regs->stat1[queue >> 3])
>> ((queue & 7) << 2)) & 0xF;
}
static inline int __qmgr_get_stat2(unsigned int queue)
{
extern struct qmgr_regs __iomem *qmgr_regs;
const struct qmgr_regs __iomem *qmgr_regs = (void __iomem *)IXP4XX_QMGR_BASE_VIRT;
BUG_ON(queue >= HALF_QUEUES);
return (__raw_readl(&qmgr_regs->stat2[queue >> 4])
>> ((queue & 0xF) << 1)) & 0x3;
@@ -145,7 +145,7 @@ static inline int qmgr_stat_empty(unsigned int queue)
*/
static inline int qmgr_stat_below_low_watermark(unsigned int queue)
{
extern struct qmgr_regs __iomem *qmgr_regs;
const struct qmgr_regs __iomem *qmgr_regs = (void __iomem *)IXP4XX_QMGR_BASE_VIRT;
if (queue >= HALF_QUEUES)
return (__raw_readl(&qmgr_regs->statne_h) >>
(queue - HALF_QUEUES)) & 0x01;
@@ -172,7 +172,7 @@ static inline int qmgr_stat_above_high_watermark(unsigned int queue)
*/
static inline int qmgr_stat_full(unsigned int queue)
{
extern struct qmgr_regs __iomem *qmgr_regs;
const struct qmgr_regs __iomem *qmgr_regs = (void __iomem *)IXP4XX_QMGR_BASE_VIRT;
if (queue >= HALF_QUEUES)
return (__raw_readl(&qmgr_regs->statf_h) >>
(queue - HALF_QUEUES)) & 0x01;