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authorAlan Cox <alan@linux.intel.com>2009-08-27 11:03:38 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-15 12:02:29 -0700
commitbcb903fa303bea505902be8b1e275769515c2380 (patch)
treecc510347c48e0a0b79eb0ca77a2a8c894e9e25b1 /drivers/staging/et131x
parentfba84166978c334f90593d4f1d6e1309c029a097 (diff)
Staging: et131x: kill off the TXDMA CSR type
Go to a u32 and masks Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/et131x')
-rw-r--r--drivers/staging/et131x/et1310_address_map.h34
-rw-r--r--drivers/staging/et131x/et1310_tx.c19
2 files changed, 17 insertions, 36 deletions
diff --git a/drivers/staging/et131x/et1310_address_map.h b/drivers/staging/et131x/et1310_address_map.h
index 6c69a15dbbe..6294d3814e7 100644
--- a/drivers/staging/et131x/et1310_address_map.h
+++ b/drivers/staging/et131x/et1310_address_map.h
@@ -173,31 +173,15 @@ typedef struct _GLOBAL_t { /* Location: */
/* START OF TXDMA REGISTER ADDRESS MAP */
/*
- * structure for txdma control status reg in txdma address map
- * located at address 0x1000
+ * txdma control status reg at address 0x1000
*/
-typedef union _TXDMA_CSR_t {
- u32 value;
- struct {
-#ifdef _BIT_FIELDS_HTOL
- u32 unused2:19; /* bits 13-31 */
- u32 traffic_class:4; /* bits 9-12 */
- u32 sngl_epkt_mode:1; /* bit 8 */
- u32 cache_thrshld:4; /* bits 4-7 */
- u32 unused1:2; /* bits 2-3 */
- u32 drop_TLP_disable:1; /* bit 1 */
- u32 halt:1; /* bit 0 */
-#else
- u32 halt:1; /* bit 0 */
- u32 drop_TLP_disable:1; /* bit 1 */
- u32 unused1:2; /* bits 2-3 */
- u32 cache_thrshld:4; /* bits 4-7 */
- u32 sngl_epkt_mode:1; /* bit 8 */
- u32 traffic_class:4; /* bits 9-12 */
- u32 unused2:19; /* bits 13-31 */
-#endif
- } bits;
-} TXDMA_CSR_t, *PTXDMA_CSR_t;
+
+#define ET_TXDMA_CSR_HALT 0x00000001
+#define ET_TXDMA_DROP_TLP 0x00000002
+#define ET_TXDMA_CACHE_THRS 0x000000F0
+#define ET_TXDMA_CACHE_SHIFT 4
+#define ET_TXDMA_SNGL_EPKT 0x00000100
+#define ET_TXDMA_CLASS 0x00001E00
/*
* structure for txdma packet ring base address hi reg in txdma address map
@@ -274,7 +258,7 @@ extern inline void add_10bit(u32 *v, int n)
* Located at address 0x1000
*/
typedef struct _TXDMA_t { /* Location: */
- TXDMA_CSR_t csr; /* 0x1000 */
+ u32 csr; /* 0x1000 */
u32 pr_base_hi; /* 0x1004 */
u32 pr_base_lo; /* 0x1008 */
TXDMA_PR_NUM_DES_t pr_num_des; /* 0x100C */
diff --git a/drivers/staging/et131x/et1310_tx.c b/drivers/staging/et131x/et1310_tx.c
index 387a697c4af..94f7752e2cc 100644
--- a/drivers/staging/et131x/et1310_tx.c
+++ b/drivers/staging/et131x/et1310_tx.c
@@ -267,7 +267,8 @@ void ConfigTxDmaRegs(struct et131x_adapter *etdev)
void et131x_tx_dma_disable(struct et131x_adapter *etdev)
{
/* Setup the tramsmit dma configuration register */
- writel(0x101, &etdev->regs->txdma.csr.value);
+ writel(ET_TXDMA_CSR_HALT|ET_TXDMA_SNGL_EPKT,
+ &etdev->regs->txdma.csr);
}
/**
@@ -278,20 +279,16 @@ void et131x_tx_dma_disable(struct et131x_adapter *etdev)
*/
void et131x_tx_dma_enable(struct et131x_adapter *etdev)
{
- if (etdev->RegistryPhyLoopbk) {
+ u32 csr = ET_TXDMA_SNGL_EPKT;
+ if (etdev->RegistryPhyLoopbk)
/* TxDMA is disabled for loopback operation. */
- writel(0x101, &etdev->regs->txdma.csr.value);
- } else {
- TXDMA_CSR_t csr = { 0 };
-
+ csr |= ET_TXDMA_CSR_HALT;
+ else
/* Setup the transmit dma configuration register for normal
* operation
*/
- csr.bits.sngl_epkt_mode = 1;
- csr.bits.halt = 0;
- csr.bits.cache_thrshld = PARM_DMA_CACHE_DEF;
- writel(csr.value, &etdev->regs->txdma.csr.value);
- }
+ csr |= PARM_DMA_CACHE_DEF << ET_TXDMA_CACHE_SHIFT;
+ writel(csr, &etdev->regs->txdma.csr);
}
/**