#define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l))
#define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l))
+#elif defined(CONFIG_MACH_LOGICPD_PXA270)
+
+#define SMC_CAN_USE_8BIT 0
+#define SMC_CAN_USE_16BIT 1
+#define SMC_CAN_USE_32BIT 0
+#define SMC_IO_SHIFT 0
+#define SMC_NOWAIT 1
+
+#define SMC_inw(a, r) readw((a) + (r))
+#define SMC_outw(v, a, r) writew(v, (a) + (r))
+#define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
+#define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
+
#elif defined(CONFIG_ARCH_INNOKOM) || \
defined(CONFIG_MACH_MAINSTONE) || \
defined(CONFIG_ARCH_PXA_IDP) || \
#define SMC_IO_SHIFT 0
#define SMC_NOWAIT 1
-#define SMC_inb(a, r) readb((a) + (r))
-#define SMC_outb(v, a, r) writeb(v, (a) + (r))
#define SMC_inw(a, r) readw((a) + (r))
#define SMC_outw(v, a, r) writew(v, (a) + (r))
#define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
#define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
-#define SMC_inl(a, r) readl((a) + (r))
-#define SMC_outl(v, a, r) writel(v, (a) + (r))
-#define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
-#define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
#include <asm/mach-types.h>
#include <asm/arch/cpu.h>
#define SMC_IRQ_FLAGS (( \
machine_is_omap_h2() \
|| machine_is_omap_h3() \
+ || machine_is_omap_h4() \
|| (machine_is_omap_innovator() && !cpu_is_omap1510()) \
- ) ? SA_TRIGGER_FALLING : SA_TRIGGER_RISING)
+ ) ? IRQF_TRIGGER_FALLING : IRQF_TRIGGER_RISING)
#elif defined(CONFIG_SH_SH4202_MICRODEV)
#define SMC_CAN_USE_16BIT 1
#define SMC_CAN_USE_32BIT 0
-#define SMC_inb(a, r) inb((u32)a) + (r))
+#define SMC_inb(a, r) inb(((u32)a) + (r))
#define SMC_inw(a, r) inw(((u32)a) + (r))
#define SMC_outb(v, a, r) outb(v, ((u32)a) + (r))
#define SMC_outw(v, a, r) outw(v, ((u32)a) + (r))
#define RPC_LSA_DEFAULT RPC_LED_TX_RX
#define RPC_LSB_DEFAULT RPC_LED_100_10
-#elif defined(CONFIG_MACH_LPD7A400) || defined(CONFIG_MACH_LPD7A404)
+#elif defined(CONFIG_MACH_LPD79520) \
+ || defined(CONFIG_MACH_LPD7A400) \
+ || defined(CONFIG_MACH_LPD7A404)
-/* The LPD7A40X_IOBARRIER is necessary to overcome a mismatch between
- * the way that the CPU handles chip selects and the way that the SMC
- * chip expects the chip select to operate. Refer to
+/* The LPD7X_IOBARRIER is necessary to overcome a mismatch between the
+ * way that the CPU handles chip selects and the way that the SMC chip
+ * expects the chip select to operate. Refer to
* Documentation/arm/Sharp-LH/IOBarrier for details. The read from
- * IOBARRIER is a byte as a least-common denominator of possible
- * regions to use as the barrier. It would be wasteful to read 32
- * bits from a byte oriented region.
+ * IOBARRIER is a byte, in order that we read the least-common
+ * denominator. It would be wasteful to read 32 bits from an 8-bit
+ * accessible region.
*
* There is no explicit protection against interrupts intervening
* between the writew and the IOBARRIER. In SMC ISR there is a
#define SMC_CAN_USE_16BIT 1
#define SMC_CAN_USE_32BIT 0
#define SMC_NOWAIT 0
-#define LPD7A40X_IOBARRIER readb (IOBARRIER_VIRT)
+#define LPD7X_IOBARRIER readb (IOBARRIER_VIRT)
-#define SMC_inw(a,r) readw ((void*) ((a) + (r)))
-#define SMC_insw(a,r,p,l) readsw ((void*) ((a) + (r)), p, l)
-#define SMC_outw(v,a,r) ({ writew ((v), (a) + (r)); LPD7A40X_IOBARRIER; })
+#define SMC_inw(a,r)\
+ ({ unsigned short v = readw ((void*) ((a) + (r))); LPD7X_IOBARRIER; v; })
+#define SMC_outw(v,a,r) ({ writew ((v), (a) + (r)); LPD7X_IOBARRIER; })
+
+#define SMC_insw LPD7_SMC_insw
+static inline void LPD7_SMC_insw (unsigned char* a, int r,
+ unsigned char* p, int l)
+{
+ unsigned short* ps = (unsigned short*) p;
+ while (l-- > 0) {
+ *ps++ = readw (a + r);
+ LPD7X_IOBARRIER;
+ }
+}
-static inline void SMC_outsw (unsigned long a, int r, unsigned char* p, int l)
+#define SMC_outsw LPD7_SMC_outsw
+static inline void LPD7_SMC_outsw (unsigned char* a, int r,
+ unsigned char* p, int l)
{
unsigned short* ps = (unsigned short*) p;
while (l-- > 0) {
writew (*ps++, a + r);
- LPD7A40X_IOBARRIER;
+ LPD7X_IOBARRIER;
}
}
-#define SMC_INTERRUPT_PREAMBLE LPD7A40X_IOBARRIER
+#define SMC_INTERRUPT_PREAMBLE LPD7X_IOBARRIER
#define RPC_LSA_DEFAULT RPC_LED_TX_RX
#define RPC_LSB_DEFAULT RPC_LED_100_10
#define SMC_IRQ_FLAGS (0)
+#elif defined(CONFIG_ARCH_VERSATILE)
+
+#define SMC_CAN_USE_8BIT 1
+#define SMC_CAN_USE_16BIT 1
+#define SMC_CAN_USE_32BIT 1
+#define SMC_NOWAIT 1
+
+#define SMC_inb(a, r) readb((a) + (r))
+#define SMC_inw(a, r) readw((a) + (r))
+#define SMC_inl(a, r) readl((a) + (r))
+#define SMC_outb(v, a, r) writeb(v, (a) + (r))
+#define SMC_outw(v, a, r) writew(v, (a) + (r))
+#define SMC_outl(v, a, r) writel(v, (a) + (r))
+#define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
+#define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
+
+#define SMC_IRQ_FLAGS (0)
+
#else
#define SMC_CAN_USE_8BIT 1
#endif
-#ifndef SMC_IRQ_FLAGS
-#define SMC_IRQ_FLAGS SA_TRIGGER_RISING
-#endif
-
#ifdef SMC_USE_PXA_DMA
/*
* Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
#endif
static void
-smc_pxa_dma_irq(int dma, void *dummy, struct pt_regs *regs)
+smc_pxa_dma_irq(int dma, void *dummy)
{
DCSR(dma) = 0;
}
#endif /* SMC_USE_PXA_DMA */
-/* Because of bank switching, the LAN91x uses only 16 I/O ports */
+/*
+ * Everything a particular hardware setup needs should have been defined
+ * at this point. Add stubs for the undefined cases, mainly to avoid
+ * compilation warnings since they'll be optimized away, or to prevent buggy
+ * use of them.
+ */
+
+#if ! SMC_CAN_USE_32BIT
+#define SMC_inl(ioaddr, reg) ({ BUG(); 0; })
+#define SMC_outl(x, ioaddr, reg) BUG()
+#define SMC_insl(a, r, p, l) BUG()
+#define SMC_outsl(a, r, p, l) BUG()
+#endif
+
+#if !defined(SMC_insl) || !defined(SMC_outsl)
+#define SMC_insl(a, r, p, l) BUG()
+#define SMC_outsl(a, r, p, l) BUG()
+#endif
+
+#if ! SMC_CAN_USE_16BIT
+
+/*
+ * Any 16-bit access is performed with two 8-bit accesses if the hardware
+ * can't do it directly. Most registers are 16-bit so those are mandatory.
+ */
+#define SMC_outw(x, ioaddr, reg) \
+ do { \
+ unsigned int __val16 = (x); \
+ SMC_outb( __val16, ioaddr, reg ); \
+ SMC_outb( __val16 >> 8, ioaddr, reg + (1 << SMC_IO_SHIFT));\
+ } while (0)
+#define SMC_inw(ioaddr, reg) \
+ ({ \
+ unsigned int __val16; \
+ __val16 = SMC_inb( ioaddr, reg ); \
+ __val16 |= SMC_inb( ioaddr, reg + (1 << SMC_IO_SHIFT)) << 8; \
+ __val16; \
+ })
+
+#define SMC_insw(a, r, p, l) BUG()
+#define SMC_outsw(a, r, p, l) BUG()
+
+#endif
+
+#if !defined(SMC_insw) || !defined(SMC_outsw)
+#define SMC_insw(a, r, p, l) BUG()
+#define SMC_outsw(a, r, p, l) BUG()
+#endif
+
+#if ! SMC_CAN_USE_8BIT
+#define SMC_inb(ioaddr, reg) ({ BUG(); 0; })
+#define SMC_outb(x, ioaddr, reg) BUG()
+#define SMC_insb(a, r, p, l) BUG()
+#define SMC_outsb(a, r, p, l) BUG()
+#endif
+
+#if !defined(SMC_insb) || !defined(SMC_outsb)
+#define SMC_insb(a, r, p, l) BUG()
+#define SMC_outsb(a, r, p, l) BUG()
+#endif
+
+#ifndef SMC_CAN_USE_DATACS
+#define SMC_CAN_USE_DATACS 0
+#endif
+
#ifndef SMC_IO_SHIFT
#define SMC_IO_SHIFT 0
#endif
+
+#ifndef SMC_IRQ_FLAGS
+#define SMC_IRQ_FLAGS IRQF_TRIGGER_RISING
+#endif
+
+#ifndef SMC_INTERRUPT_PREAMBLE
+#define SMC_INTERRUPT_PREAMBLE
+#endif
+
+
+/* Because of bank switching, the LAN91x uses only 16 I/O ports */
#define SMC_IO_EXTENT (16 << SMC_IO_SHIFT)
#define SMC_DATA_EXTENT (4)
* Note: the following macros do *not* select the bank -- this must
* be done separately as needed in the main code. The SMC_REG() macro
* only uses the bank argument for debugging purposes (when enabled).
+ *
+ * Note: despite inline functions being safer, everything leading to this
+ * should preferably be macros to let BUG() display the line number in
+ * the core source code since we're interested in the top call site
+ * not in any inline function location.
*/
#if SMC_DEBUG > 0
#define SMC_REG(reg, bank) (reg<<SMC_IO_SHIFT)
#endif
-#if SMC_CAN_USE_8BIT
-#define SMC_GET_PN() SMC_inb( ioaddr, PN_REG )
-#define SMC_SET_PN(x) SMC_outb( x, ioaddr, PN_REG )
-#define SMC_GET_AR() SMC_inb( ioaddr, AR_REG )
-#define SMC_GET_TXFIFO() SMC_inb( ioaddr, TXFIFO_REG )
-#define SMC_GET_RXFIFO() SMC_inb( ioaddr, RXFIFO_REG )
-#define SMC_GET_INT() SMC_inb( ioaddr, INT_REG )
-#define SMC_ACK_INT(x) SMC_outb( x, ioaddr, INT_REG )
-#define SMC_GET_INT_MASK() SMC_inb( ioaddr, IM_REG )
-#define SMC_SET_INT_MASK(x) SMC_outb( x, ioaddr, IM_REG )
-#else
-#define SMC_GET_PN() (SMC_inw( ioaddr, PN_REG ) & 0xFF)
-#define SMC_SET_PN(x) SMC_outw( x, ioaddr, PN_REG )
-#define SMC_GET_AR() (SMC_inw( ioaddr, PN_REG ) >> 8)
-#define SMC_GET_TXFIFO() (SMC_inw( ioaddr, TXFIFO_REG ) & 0xFF)
-#define SMC_GET_RXFIFO() (SMC_inw( ioaddr, TXFIFO_REG ) >> 8)
-#define SMC_GET_INT() (SMC_inw( ioaddr, INT_REG ) & 0xFF)
+/*
+ * Hack Alert: Some setups just can't write 8 or 16 bits reliably when not
+ * aligned to a 32 bit boundary. I tell you that does exist!
+ * Fortunately the affected register accesses can be easily worked around
+ * since we can write zeroes to the preceeding 16 bits without adverse
+ * effects and use a 32-bit access.
+ *
+ * Enforce it on any 32-bit capable setup for now.
+ */
+#define SMC_MUST_ALIGN_WRITE SMC_CAN_USE_32BIT
+
+#define SMC_GET_PN() \
+ ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, PN_REG)) \
+ : (SMC_inw(ioaddr, PN_REG) & 0xFF) )
+
+#define SMC_SET_PN(x) \
+ do { \
+ if (SMC_MUST_ALIGN_WRITE) \
+ SMC_outl((x)<<16, ioaddr, SMC_REG(0, 2)); \
+ else if (SMC_CAN_USE_8BIT) \
+ SMC_outb(x, ioaddr, PN_REG); \
+ else \
+ SMC_outw(x, ioaddr, PN_REG); \
+ } while (0)
+
+#define SMC_GET_AR() \
+ ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, AR_REG)) \
+ : (SMC_inw(ioaddr, PN_REG) >> 8) )
+
+#define SMC_GET_TXFIFO() \
+ ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, TXFIFO_REG)) \
+ : (SMC_inw(ioaddr, TXFIFO_REG) & 0xFF) )
+
+#define SMC_GET_RXFIFO() \
+ ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, RXFIFO_REG)) \
+ : (SMC_inw(ioaddr, TXFIFO_REG) >> 8) )
+
+#define SMC_GET_INT() \
+ ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, INT_REG)) \
+ : (SMC_inw(ioaddr, INT_REG) & 0xFF) )
+
#define SMC_ACK_INT(x) \
do { \
- unsigned long __flags; \
- int __mask; \
- local_irq_save(__flags); \
- __mask = SMC_inw( ioaddr, INT_REG ) & ~0xff; \
- SMC_outw( __mask | (x), ioaddr, INT_REG ); \
- local_irq_restore(__flags); \
+ if (SMC_CAN_USE_8BIT) \
+ SMC_outb(x, ioaddr, INT_REG); \
+ else { \
+ unsigned long __flags; \
+ int __mask; \
+ local_irq_save(__flags); \
+ __mask = SMC_inw( ioaddr, INT_REG ) & ~0xff; \
+ SMC_outw( __mask | (x), ioaddr, INT_REG ); \
+ local_irq_restore(__flags); \
+ } \
} while (0)
-#define SMC_GET_INT_MASK() (SMC_inw( ioaddr, INT_REG ) >> 8)
-#define SMC_SET_INT_MASK(x) SMC_outw( (x) << 8, ioaddr, INT_REG )
-#endif
-#define SMC_CURRENT_BANK() SMC_inw( ioaddr, BANK_SELECT )
-#define SMC_SELECT_BANK(x) SMC_outw( x, ioaddr, BANK_SELECT )
-#define SMC_GET_BASE() SMC_inw( ioaddr, BASE_REG )
-#define SMC_SET_BASE(x) SMC_outw( x, ioaddr, BASE_REG )
-#define SMC_GET_CONFIG() SMC_inw( ioaddr, CONFIG_REG )
-#define SMC_SET_CONFIG(x) SMC_outw( x, ioaddr, CONFIG_REG )
-#define SMC_GET_COUNTER() SMC_inw( ioaddr, COUNTER_REG )
-#define SMC_GET_CTL() SMC_inw( ioaddr, CTL_REG )
-#define SMC_SET_CTL(x) SMC_outw( x, ioaddr, CTL_REG )
-#define SMC_GET_MII() SMC_inw( ioaddr, MII_REG )
-#define SMC_SET_MII(x) SMC_outw( x, ioaddr, MII_REG )
-#define SMC_GET_MIR() SMC_inw( ioaddr, MIR_REG )
-#define SMC_SET_MIR(x) SMC_outw( x, ioaddr, MIR_REG )
-#define SMC_GET_MMU_CMD() SMC_inw( ioaddr, MMU_CMD_REG )
-#define SMC_SET_MMU_CMD(x) SMC_outw( x, ioaddr, MMU_CMD_REG )
-#define SMC_GET_FIFO() SMC_inw( ioaddr, FIFO_REG )
-#define SMC_GET_PTR() SMC_inw( ioaddr, PTR_REG )
-#define SMC_SET_PTR(x) SMC_outw( x, ioaddr, PTR_REG )
-#define SMC_GET_EPH_STATUS() SMC_inw( ioaddr, EPH_STATUS_REG )
-#define SMC_GET_RCR() SMC_inw( ioaddr, RCR_REG )
-#define SMC_SET_RCR(x) SMC_outw( x, ioaddr, RCR_REG )
-#define SMC_GET_REV() SMC_inw( ioaddr, REV_REG )
-#define SMC_GET_RPC() SMC_inw( ioaddr, RPC_REG )
-#define SMC_SET_RPC(x) SMC_outw( x, ioaddr, RPC_REG )
-#define SMC_GET_TCR() SMC_inw( ioaddr, TCR_REG )
-#define SMC_SET_TCR(x) SMC_outw( x, ioaddr, TCR_REG )
+#define SMC_GET_INT_MASK() \
+ ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, IM_REG)) \
+ : (SMC_inw( ioaddr, INT_REG ) >> 8) )
+
+#define SMC_SET_INT_MASK(x) \
+ do { \
+ if (SMC_CAN_USE_8BIT) \
+ SMC_outb(x, ioaddr, IM_REG); \
+ else \
+ SMC_outw((x) << 8, ioaddr, INT_REG); \
+ } while (0)
+
+#define SMC_CURRENT_BANK() SMC_inw(ioaddr, BANK_SELECT)
+
+#define SMC_SELECT_BANK(x) \
+ do { \
+ if (SMC_MUST_ALIGN_WRITE) \
+ SMC_outl((x)<<16, ioaddr, 12<<SMC_IO_SHIFT); \
+ else \
+ SMC_outw(x, ioaddr, BANK_SELECT); \
+ } while (0)
+
+#define SMC_GET_BASE() SMC_inw(ioaddr, BASE_REG)
+
+#define SMC_SET_BASE(x) SMC_outw(x, ioaddr, BASE_REG)
+
+#define SMC_GET_CONFIG() SMC_inw(ioaddr, CONFIG_REG)
+
+#define SMC_SET_CONFIG(x) SMC_outw(x, ioaddr, CONFIG_REG)
+
+#define SMC_GET_COUNTER() SMC_inw(ioaddr, COUNTER_REG)
+
+#define SMC_GET_CTL() SMC_inw(ioaddr, CTL_REG)
+
+#define SMC_SET_CTL(x) SMC_outw(x, ioaddr, CTL_REG)
+
+#define SMC_GET_MII() SMC_inw(ioaddr, MII_REG)
+
+#define SMC_SET_MII(x) SMC_outw(x, ioaddr, MII_REG)
+
+#define SMC_GET_MIR() SMC_inw(ioaddr, MIR_REG)
+
+#define SMC_SET_MIR(x) SMC_outw(x, ioaddr, MIR_REG)
+
+#define SMC_GET_MMU_CMD() SMC_inw(ioaddr, MMU_CMD_REG)
+
+#define SMC_SET_MMU_CMD(x) SMC_outw(x, ioaddr, MMU_CMD_REG)
+
+#define SMC_GET_FIFO() SMC_inw(ioaddr, FIFO_REG)
+
+#define SMC_GET_PTR() SMC_inw(ioaddr, PTR_REG)
+
+#define SMC_SET_PTR(x) \
+ do { \
+ if (SMC_MUST_ALIGN_WRITE) \
+ SMC_outl((x)<<16, ioaddr, SMC_REG(4, 2)); \
+ else \
+ SMC_outw(x, ioaddr, PTR_REG); \
+ } while (0)
+
+#define SMC_GET_EPH_STATUS() SMC_inw(ioaddr, EPH_STATUS_REG)
+
+#define SMC_GET_RCR() SMC_inw(ioaddr, RCR_REG)
+
+#define SMC_SET_RCR(x) SMC_outw(x, ioaddr, RCR_REG)
+
+#define SMC_GET_REV() SMC_inw(ioaddr, REV_REG)
+
+#define SMC_GET_RPC() SMC_inw(ioaddr, RPC_REG)
+
+#define SMC_SET_RPC(x) \
+ do { \
+ if (SMC_MUST_ALIGN_WRITE) \
+ SMC_outl((x)<<16, ioaddr, SMC_REG(8, 0)); \
+ else \
+ SMC_outw(x, ioaddr, RPC_REG); \
+ } while (0)
+
+#define SMC_GET_TCR() SMC_inw(ioaddr, TCR_REG)
+
+#define SMC_SET_TCR(x) SMC_outw(x, ioaddr, TCR_REG)
#ifndef SMC_GET_MAC_ADDR
#define SMC_GET_MAC_ADDR(addr) \
SMC_outw( mt[6] | (mt[7] << 8), ioaddr, MCAST_REG4 ); \
} while (0)
-#if SMC_CAN_USE_32BIT
-/*
- * Some setups just can't write 8 or 16 bits reliably when not aligned
- * to a 32 bit boundary. I tell you that exists!
- * We re-do the ones here that can be easily worked around if they can have
- * their low parts written to 0 without adverse effects.
- */
-#undef SMC_SELECT_BANK
-#define SMC_SELECT_BANK(x) SMC_outl( (x)<<16, ioaddr, 12<<SMC_IO_SHIFT )
-#undef SMC_SET_RPC
-#define SMC_SET_RPC(x) SMC_outl( (x)<<16, ioaddr, SMC_REG(8, 0) )
-#undef SMC_SET_PN
-#define SMC_SET_PN(x) SMC_outl( (x)<<16, ioaddr, SMC_REG(0, 2) )
-#undef SMC_SET_PTR
-#define SMC_SET_PTR(x) SMC_outl( (x)<<16, ioaddr, SMC_REG(4, 2) )
-#endif
-
-#if SMC_CAN_USE_32BIT
-#define SMC_PUT_PKT_HDR(status, length) \
- SMC_outl( (status) | (length) << 16, ioaddr, DATA_REG )
-#define SMC_GET_PKT_HDR(status, length) \
- do { \
- unsigned int __val = SMC_inl( ioaddr, DATA_REG ); \
- (status) = __val & 0xffff; \
- (length) = __val >> 16; \
- } while (0)
-#else
#define SMC_PUT_PKT_HDR(status, length) \
do { \
- SMC_outw( status, ioaddr, DATA_REG ); \
- SMC_outw( length, ioaddr, DATA_REG ); \
- } while (0)
-#define SMC_GET_PKT_HDR(status, length) \
- do { \
- (status) = SMC_inw( ioaddr, DATA_REG ); \
- (length) = SMC_inw( ioaddr, DATA_REG ); \
- } while (0)
-#endif
-
-#if SMC_CAN_USE_32BIT
-#define _SMC_PUSH_DATA(p, l) \
- do { \
- char *__ptr = (p); \
- int __len = (l); \
- if (__len >= 2 && (unsigned long)__ptr & 2) { \
- __len -= 2; \
- SMC_outw( *(u16 *)__ptr, ioaddr, DATA_REG ); \
- __ptr += 2; \
- } \
- SMC_outsl( ioaddr, DATA_REG, __ptr, __len >> 2); \
- if (__len & 2) { \
- __ptr += (__len & ~3); \
- SMC_outw( *((u16 *)__ptr), ioaddr, DATA_REG ); \
+ if (SMC_CAN_USE_32BIT) \
+ SMC_outl((status) | (length)<<16, ioaddr, DATA_REG); \
+ else { \
+ SMC_outw(status, ioaddr, DATA_REG); \
+ SMC_outw(length, ioaddr, DATA_REG); \
} \
} while (0)
-#define _SMC_PULL_DATA(p, l) \
+
+#define SMC_GET_PKT_HDR(status, length) \
do { \
- char *__ptr = (p); \
- int __len = (l); \
- if ((unsigned long)__ptr & 2) { \
- /* \
- * We want 32bit alignment here. \
- * Since some buses perform a full 32bit \
- * fetch even for 16bit data we can't use \
- * SMC_inw() here. Back both source (on chip \
- * and destination) pointers of 2 bytes. \
- */ \
- __ptr -= 2; \
- __len += 2; \
- SMC_SET_PTR( 2|PTR_READ|PTR_RCV|PTR_AUTOINC ); \
+ if (SMC_CAN_USE_32BIT) { \
+ unsigned int __val = SMC_inl(ioaddr, DATA_REG); \
+ (status) = __val & 0xffff; \
+ (length) = __val >> 16; \
+ } else { \
+ (status) = SMC_inw(ioaddr, DATA_REG); \
+ (length) = SMC_inw(ioaddr, DATA_REG); \
} \
- __len += 2; \
- SMC_insl( ioaddr, DATA_REG, __ptr, __len >> 2); \
} while (0)
-#elif SMC_CAN_USE_16BIT
-#define _SMC_PUSH_DATA(p, l) SMC_outsw( ioaddr, DATA_REG, p, (l) >> 1 )
-#define _SMC_PULL_DATA(p, l) SMC_insw ( ioaddr, DATA_REG, p, (l) >> 1 )
-#elif SMC_CAN_USE_8BIT
-#define _SMC_PUSH_DATA(p, l) SMC_outsb( ioaddr, DATA_REG, p, l )
-#define _SMC_PULL_DATA(p, l) SMC_insb ( ioaddr, DATA_REG, p, l )
-#endif
-#if ! SMC_CAN_USE_16BIT
-#define SMC_outw(x, ioaddr, reg) \
+#define SMC_PUSH_DATA(p, l) \
do { \
- unsigned int __val16 = (x); \
- SMC_outb( __val16, ioaddr, reg ); \
- SMC_outb( __val16 >> 8, ioaddr, reg + (1 << SMC_IO_SHIFT));\
+ if (SMC_CAN_USE_32BIT) { \
+ void *__ptr = (p); \
+ int __len = (l); \
+ void __iomem *__ioaddr = ioaddr; \
+ if (__len >= 2 && (unsigned long)__ptr & 2) { \
+ __len -= 2; \
+ SMC_outw(*(u16 *)__ptr, ioaddr, DATA_REG); \
+ __ptr += 2; \
+ } \
+ if (SMC_CAN_USE_DATACS && lp->datacs) \
+ __ioaddr = lp->datacs; \
+ SMC_outsl(__ioaddr, DATA_REG, __ptr, __len>>2); \
+ if (__len & 2) { \
+ __ptr += (__len & ~3); \
+ SMC_outw(*((u16 *)__ptr), ioaddr, DATA_REG); \
+ } \
+ } else if (SMC_CAN_USE_16BIT) \
+ SMC_outsw(ioaddr, DATA_REG, p, (l) >> 1); \
+ else if (SMC_CAN_USE_8BIT) \
+ SMC_outsb(ioaddr, DATA_REG, p, l); \
} while (0)
-#define SMC_inw(ioaddr, reg) \
- ({ \
- unsigned int __val16; \
- __val16 = SMC_inb( ioaddr, reg ); \
- __val16 |= SMC_inb( ioaddr, reg + (1 << SMC_IO_SHIFT)) << 8; \
- __val16; \
- })
-#endif
-
-#ifdef SMC_CAN_USE_DATACS
-#define SMC_PUSH_DATA(p, l) \
- if ( lp->datacs ) { \
- unsigned char *__ptr = (p); \
- int __len = (l); \
- if (__len >= 2 && (unsigned long)__ptr & 2) { \
- __len -= 2; \
- SMC_outw( *((u16 *)__ptr), ioaddr, DATA_REG ); \
- __ptr += 2; \
- } \
- outsl(lp->datacs, __ptr, __len >> 2); \
- if (__len & 2) { \
- __ptr += (__len & ~3); \
- SMC_outw( *((u16 *)__ptr), ioaddr, DATA_REG ); \
- } \
- } else { \
- _SMC_PUSH_DATA(p, l); \
- }
#define SMC_PULL_DATA(p, l) \
- if ( lp->datacs ) { \
- unsigned char *__ptr = (p); \
- int __len = (l); \
- if ((unsigned long)__ptr & 2) { \
- /* \
- * We want 32bit alignment here. \
- * Since some buses perform a full 32bit \
- * fetch even for 16bit data we can't use \
- * SMC_inw() here. Back both source (on chip \
- * and destination) pointers of 2 bytes. \
- */ \
- __ptr -= 2; \
+ do { \
+ if (SMC_CAN_USE_32BIT) { \
+ void *__ptr = (p); \
+ int __len = (l); \
+ void __iomem *__ioaddr = ioaddr; \
+ if ((unsigned long)__ptr & 2) { \
+ /* \
+ * We want 32bit alignment here. \
+ * Since some buses perform a full \
+ * 32bit fetch even for 16bit data \
+ * we can't use SMC_inw() here. \
+ * Back both source (on-chip) and \
+ * destination pointers of 2 bytes. \
+ * This is possible since the call to \
+ * SMC_GET_PKT_HDR() already advanced \
+ * the source pointer of 4 bytes, and \
+ * the skb_reserve(skb, 2) advanced \
+ * the destination pointer of 2 bytes. \
+ */ \
+ __ptr -= 2; \
+ __len += 2; \
+ SMC_SET_PTR(2|PTR_READ|PTR_RCV|PTR_AUTOINC); \
+ } \
+ if (SMC_CAN_USE_DATACS && lp->datacs) \
+ __ioaddr = lp->datacs; \
__len += 2; \
- SMC_SET_PTR( 2|PTR_READ|PTR_RCV|PTR_AUTOINC ); \
- } \
- __len += 2; \
- insl( lp->datacs, __ptr, __len >> 2); \
- } else { \
- _SMC_PULL_DATA(p, l); \
- }
-#else
-#define SMC_PUSH_DATA(p, l) _SMC_PUSH_DATA(p, l)
-#define SMC_PULL_DATA(p, l) _SMC_PULL_DATA(p, l)
-#endif
-
-#if !defined (SMC_INTERRUPT_PREAMBLE)
-# define SMC_INTERRUPT_PREAMBLE
-#endif
+ SMC_insl(__ioaddr, DATA_REG, __ptr, __len>>2); \
+ } else if (SMC_CAN_USE_16BIT) \
+ SMC_insw(ioaddr, DATA_REG, p, (l) >> 1); \
+ else if (SMC_CAN_USE_8BIT) \
+ SMC_insb(ioaddr, DATA_REG, p, l); \
+ } while (0)
#endif /* _SMC91X_H_ */
git://git.onelab.eu / linux-2.6.git / blobdiff