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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-03 13:28:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-03 13:28:14 -0700
commitd6748066ad0e8b2514545998f8367ebb3906f299 (patch)
treef7a9bfd764a8fb781aeda0ef2249afbab42dddf7 /drivers/ide
parentf04c045f8ce69c22bda9d99eb927276b776135fc (diff)
parent3ba1e543ab4b02640d396098f2f6a199560d5f2d (diff)
downloadop-kernel-dev-d6748066ad0e8b2514545998f8367ebb3906f299.zip
op-kernel-dev-d6748066ad0e8b2514545998f8367ebb3906f299.tar.gz
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (37 commits) MIPS: O32: Provide definition of registers ta0 .. ta3. MIPS: perf: Add Octeon support for hardware perf. MIPS: perf: Add support for 64-bit perf counters. MIPS: perf: Reorganize contents of perf support files. MIPS: perf: Cleanup formatting in arch/mips/kernel/perf_event.c MIPS: Add accessor macros for 64-bit performance counter registers. MIPS: Add probes for more Octeon II CPUs. MIPS: Add more CPU identifiers for Octeon II CPUs. MIPS: XLR, XLS: Add comment for smp setup MIPS: JZ4740: GPIO: Check correct IRQ in demux handler MIPS: JZ4740: GPIO: Simplify IRQ demuxer MIPS: JZ4740: Use generic irq chip MIPS: Alchemy: remove all CONFIG_SOC_AU1??? defines MIPS: Alchemy: kill au1xxx.h header MIPS: Alchemy: clean DMA code of CONFIG_SOC_AU1??? defines MIPS, IDE: Alchem, au1xxx-ide: Remove pb1200/db1200 header dep MIPS: Alchemy: Redo PCI as platform driver MIPS: Alchemy: more base address cleanup MIPS: Alchemy: rewrite USB platform setup. MIPS: Alchemy: abstract USB block control register access ... Fix up trivial conflicts in: arch/mips/alchemy/devboards/db1x00/platform.c drivers/ide/Kconfig drivers/mmc/host/au1xmmc.c drivers/video/Kconfig sound/mips/Kconfig
Diffstat (limited to 'drivers/ide')
-rw-r--r--drivers/ide/Kconfig6
-rw-r--r--drivers/ide/au1xxx-ide.c46
2 files changed, 30 insertions, 22 deletions
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 76b6d98..5a26584 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -677,19 +677,19 @@ config BLK_DEV_IDE_PMAC_ATA100FIRST
config BLK_DEV_IDE_AU1XXX
bool "IDE for AMD Alchemy Au1200"
- depends on SOC_AU1200
+ depends on MIPS_ALCHEMY
select IDE_XFER_MODE
choice
prompt "IDE Mode for AMD Alchemy Au1200"
default BLK_DEV_IDE_AU1XXX_PIO_DBDMA
- depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX
+ depends on BLK_DEV_IDE_AU1XXX
config BLK_DEV_IDE_AU1XXX_PIO_DBDMA
bool "PIO+DbDMA IDE for AMD Alchemy Au1200"
config BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
bool "MDMA2+DbDMA IDE for AMD Alchemy Au1200"
- depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX
+ depends on BLK_DEV_IDE_AU1XXX
endchoice
config BLK_DEV_IDE_TX4938
diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c
index b26c234..259786c 100644
--- a/drivers/ide/au1xxx-ide.c
+++ b/drivers/ide/au1xxx-ide.c
@@ -36,13 +36,17 @@
#include <linux/ide.h>
#include <linux/scatterlist.h>
-#include <asm/mach-au1x00/au1xxx.h>
+#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/au1xxx_dbdma.h>
#include <asm/mach-au1x00/au1xxx_ide.h>
#define DRV_NAME "au1200-ide"
#define DRV_AUTHOR "Enrico Walther <enrico.walther@amd.com> / Pete Popov <ppopov@embeddedalley.com>"
+#ifndef IDE_REG_SHIFT
+#define IDE_REG_SHIFT 5
+#endif
+
/* enable the burstmode in the dbdma */
#define IDE_AU1XXX_BURSTMODE 1
@@ -317,10 +321,11 @@ static void auide_ddma_rx_callback(int irq, void *param)
}
#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
-static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 devwidth, u32 flags)
+static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize,
+ u32 devwidth, u32 flags, u32 regbase)
{
dev->dev_id = dev_id;
- dev->dev_physaddr = (u32)IDE_PHYS_ADDR;
+ dev->dev_physaddr = CPHYSADDR(regbase);
dev->dev_intlevel = 0;
dev->dev_intpolarity = 0;
dev->dev_tsize = tsize;
@@ -344,7 +349,7 @@ static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d)
dbdev_tab_t source_dev_tab, target_dev_tab;
u32 dev_id, tsize, devwidth, flags;
- dev_id = IDE_DDMA_REQ;
+ dev_id = hwif->ddma_id;
tsize = 8; /* 1 */
devwidth = 32; /* 16 */
@@ -356,20 +361,17 @@ static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d)
#endif
/* setup dev_tab for tx channel */
- auide_init_dbdma_dev( &source_dev_tab,
- dev_id,
- tsize, devwidth, DEV_FLAGS_OUT | flags);
+ auide_init_dbdma_dev(&source_dev_tab, dev_id, tsize, devwidth,
+ DEV_FLAGS_OUT | flags, auide->regbase);
auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
- auide_init_dbdma_dev( &source_dev_tab,
- dev_id,
- tsize, devwidth, DEV_FLAGS_IN | flags);
+ auide_init_dbdma_dev(&source_dev_tab, dev_id, tsize, devwidth,
+ DEV_FLAGS_IN | flags, auide->regbase);
auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
/* We also need to add a target device for the DMA */
- auide_init_dbdma_dev( &target_dev_tab,
- (u32)DSCR_CMD0_ALWAYS,
- tsize, devwidth, DEV_FLAGS_ANYUSE);
+ auide_init_dbdma_dev(&target_dev_tab, (u32)DSCR_CMD0_ALWAYS, tsize,
+ devwidth, DEV_FLAGS_ANYUSE, auide->regbase);
auide->target_dev_id = au1xxx_ddma_add_device(&target_dev_tab);
/* Get a channel for TX */
@@ -411,14 +413,12 @@ static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d)
#endif
/* setup dev_tab for tx channel */
- auide_init_dbdma_dev( &source_dev_tab,
- (u32)DSCR_CMD0_ALWAYS,
- 8, 32, DEV_FLAGS_OUT | flags);
+ auide_init_dbdma_dev(&source_dev_tab, (u32)DSCR_CMD0_ALWAYS, 8, 32,
+ DEV_FLAGS_OUT | flags, auide->regbase);
auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
- auide_init_dbdma_dev( &source_dev_tab,
- (u32)DSCR_CMD0_ALWAYS,
- 8, 32, DEV_FLAGS_IN | flags);
+ auide_init_dbdma_dev(&source_dev_tab, (u32)DSCR_CMD0_ALWAYS, 8, 32,
+ DEV_FLAGS_IN | flags, auide->regbase);
auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
/* Get a channel for TX */
@@ -540,6 +540,14 @@ static int au_ide_probe(struct platform_device *dev)
goto out;
}
+ res = platform_get_resource(dev, IORESOURCE_DMA, 0);
+ if (!res) {
+ pr_debug("%s: no DDMA ID resource\n", DRV_NAME);
+ ret = -ENODEV;
+ goto out;
+ }
+ ahwif->ddma_id = res->start;
+
memset(&hw, 0, sizeof(hw));
auide_setup_ports(&hw, ahwif);
hw.irq = ahwif->irq;
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