--- dev/spibus/spi.h.orig	2012-09-13 12:37:07.529154230 -0300
+++ dev/spibus/spi.h	2012-09-13 12:38:07.714155555 -0300
@@ -9,6 +9,7 @@
 	uint32_t tx_data_sz;
 	void	*rx_data;
 	uint32_t rx_data_sz;
+	int	 flags;
 };
 
 struct spi_config {
--- mips/atheros/ar71xx_spi.c.orig	2012-09-13 10:29:26.048155122 -0300
+++ mips/atheros/ar71xx_spi.c	2012-09-13 12:53:09.855157799 -0300
@@ -253,15 +253,17 @@
 }
 
 static uint8_t
-ar71xx_spi_txrx(struct ar71xx_spi_softc *sc, int cs, uint8_t data)
+ar71xx_spi_txrx(struct ar71xx_spi_softc *sc, int cs, uint8_t data,
+	int spi_flags)
 {
 	int bit;
-	/* CS0 */
 	uint32_t ioctrl = SPI_IO_CTRL_CSMASK;
+
 	/*
 	 * low-level for selected CS
 	 */
-	ioctrl &= ~(SPI_IO_CTRL_CS0 << cs);
+	if ((spi_flags & SPI_CHIP_SELECT_HIGH) == 0)
+		ioctrl &= ~(SPI_IO_CTRL_CS0 << cs);
 
 	uint32_t iod, rds;
 	for (bit = 7; bit >=0; bit--) {
@@ -297,13 +299,17 @@
 	KASSERT(cmd->tx_data_sz == cmd->rx_data_sz, 
 	    ("TX/RX data sizes should be equal"));
 
+	if (cmd->flags & SPI_CHIP_SELECT_HIGH)
+		ar71xx_spi_chip_deactivate(sc, devi->cs);
+
 	/*
 	 * Transfer command
 	 */
 	buf_out = (uint8_t *)cmd->tx_cmd;
 	buf_in = (uint8_t *)cmd->rx_cmd;
 	for (i = 0; i < cmd->tx_cmd_sz; i++)
-		buf_in[i] = ar71xx_spi_txrx(sc, devi->cs, buf_out[i]);
+		buf_in[i] = ar71xx_spi_txrx(sc, devi->cs, buf_out[i],
+		    cmd->flags);
 
 	/*
 	 * Receive/transmit data (depends on  command)
@@ -311,7 +317,11 @@
 	buf_out = (uint8_t *)cmd->tx_data;
 	buf_in = (uint8_t *)cmd->rx_data;
 	for (i = 0; i < cmd->tx_data_sz; i++)
-		buf_in[i] = ar71xx_spi_txrx(sc, devi->cs, buf_out[i]);
+		buf_in[i] = ar71xx_spi_txrx(sc, devi->cs, buf_out[i],
+		    cmd->flags);
+
+	if (cmd->flags & SPI_CHIP_SELECT_HIGH)
+		ar71xx_spi_chip_activate(sc, devi->cs);
 
 	return (0);
 }