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path: root/drivers/ide/au1xxx-ide.c
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Diffstat (limited to 'drivers/ide/au1xxx-ide.c')
-rw-r--r--drivers/ide/au1xxx-ide.c80
1 files changed, 42 insertions, 38 deletions
diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c
index 87cef0c440a..259786ca8b7 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
@@ -56,8 +60,8 @@ static inline void auide_insw(unsigned long port, void *addr, u32 count)
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
- if(!put_dest_flags(ahwif->rx_chan, (void*)addr, count << 1,
- DDMA_FLAGS_NOIE)) {
+ if (!au1xxx_dbdma_put_dest(ahwif->rx_chan, virt_to_phys(addr),
+ count << 1, DDMA_FLAGS_NOIE)) {
printk(KERN_ERR "%s failed %d\n", __func__, __LINE__);
return;
}
@@ -74,8 +78,8 @@ static inline void auide_outsw(unsigned long port, void *addr, u32 count)
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
- if(!put_source_flags(ahwif->tx_chan, (void*)addr,
- count << 1, DDMA_FLAGS_NOIE)) {
+ if (!au1xxx_dbdma_put_source(ahwif->tx_chan, virt_to_phys(addr),
+ count << 1, DDMA_FLAGS_NOIE)) {
printk(KERN_ERR "%s failed %d\n", __func__, __LINE__);
return;
}
@@ -99,12 +103,11 @@ static void au1xxx_output_data(ide_drive_t *drive, struct ide_cmd *cmd,
}
#endif
-static void au1xxx_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void au1xxx_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
{
int mem_sttime = 0, mem_stcfg = au_readl(MEM_STCFG2);
- /* set pio mode! */
- switch(pio) {
+ switch (drive->pio_mode - XFER_PIO_0) {
case 0:
mem_sttime = SBC_IDE_TIMING(PIO0);
@@ -161,11 +164,11 @@ static void au1xxx_set_pio_mode(ide_drive_t *drive, const u8 pio)
au_writel(mem_stcfg,MEM_STCFG2);
}
-static void auide_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void auide_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
{
int mem_sttime = 0, mem_stcfg = au_readl(MEM_STCFG2);
- switch(speed) {
+ switch (drive->dma_mode) {
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
case XFER_MW_DMA_2:
mem_sttime = SBC_IDE_TIMING(MDMA2);
@@ -246,17 +249,14 @@ static int auide_build_dmatable(ide_drive_t *drive, struct ide_cmd *cmd)
flags = DDMA_FLAGS_NOIE;
if (iswrite) {
- if(!put_source_flags(ahwif->tx_chan,
- (void*) sg_virt(sg),
- tc, flags)) {
+ if (!au1xxx_dbdma_put_source(ahwif->tx_chan,
+ sg_phys(sg), tc, flags)) {
printk(KERN_ERR "%s failed %d\n",
__func__, __LINE__);
}
- } else
- {
- if(!put_dest_flags(ahwif->rx_chan,
- (void*) sg_virt(sg),
- tc, flags)) {
+ } else {
+ if (!au1xxx_dbdma_put_dest(ahwif->rx_chan,
+ sg_phys(sg), tc, flags)) {
printk(KERN_ERR "%s failed %d\n",
__func__, __LINE__);
}
@@ -300,8 +300,8 @@ static int auide_dma_test_irq(ide_drive_t *drive)
*/
drive->waiting_for_dma++;
if (drive->waiting_for_dma >= DMA_WAIT_TIMEOUT) {
- printk(KERN_WARNING "%s: timeout waiting for ddma to \
- complete\n", drive->name);
+ printk(KERN_WARNING "%s: timeout waiting for ddma to complete\n",
+ drive->name);
return 1;
}
udelay(10);
@@ -321,10 +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;
@@ -348,7 +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 */
@@ -360,20 +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 */
@@ -415,14 +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 */
@@ -544,6 +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;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-16 01:40:41 +0000