Merge branch 'master' of git://git.denx.de/u-boot-spi

3 files changed, 42 insertions, 8 deletions

diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c
index 95dd03f..f3f029d 100644
--- a/drivers/spi/mxc_spi.c
+++ b/drivers/spi/mxc_spi.c
@@ -115,7 +115,8 @@ static s32 spi_cfg_mxc(struct mxc_spi_slave *mxcs, unsigned int cs,
 {
 	u32 clk_src = mxc_get_clock(MXC_CSPI_CLK);
 	s32 reg_ctrl, reg_config;
-	u32 ss_pol = 0, sclkpol = 0, sclkpha = 0, pre_div = 0, post_div = 0;
+	u32 ss_pol = 0, sclkpol = 0, sclkpha = 0, sclkctl = 0;
+	u32 pre_div = 0, post_div = 0;
 	struct cspi_regs *regs = (struct cspi_regs *)mxcs->base;
 
 	if (max_hz == 0) {
@@ -164,8 +165,10 @@ static s32 spi_cfg_mxc(struct mxc_spi_slave *mxcs, unsigned int cs,
 	if (mode & SPI_CS_HIGH)
 		ss_pol = 1;
 
-	if (mode & SPI_CPOL)
+	if (mode & SPI_CPOL) {
 		sclkpol = 1;
+		sclkctl = 1;
+	}
 
 	if (mode & SPI_CPHA)
 		sclkpha = 1;
@@ -180,6 +183,8 @@ static s32 spi_cfg_mxc(struct mxc_spi_slave *mxcs, unsigned int cs,
 		(ss_pol << (cs + MXC_CSPICON_SSPOL));
 	reg_config = (reg_config & ~(1 << (cs + MXC_CSPICON_POL))) |
 		(sclkpol << (cs + MXC_CSPICON_POL));
+	reg_config = (reg_config & ~(1 << (cs + MXC_CSPICON_CTL))) |
+		(sclkctl << (cs + MXC_CSPICON_CTL));
 	reg_config = (reg_config & ~(1 << (cs + MXC_CSPICON_PHA))) |
 		(sclkpha << (cs + MXC_CSPICON_PHA));
 
diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c
index 5a5b482..dfa5d0c 100644
--- a/drivers/spi/ti_qspi.c
+++ b/drivers/spi/ti_qspi.c
@@ -11,6 +11,8 @@
 #include <asm/arch/omap.h>
 #include <malloc.h>
 #include <spi.h>
+#include <asm/gpio.h>
+#include <asm/omap_gpio.h>
 
 /* ti qpsi register bit masks */
 #define QSPI_TIMEOUT                    2000000
@@ -39,7 +41,8 @@
 #define MM_SWITCH                       0x01
 #define MEM_CS                          0x100
 #define MEM_CS_UNSELECT                 0xfffff0ff
-#define MMAP_START_ADDR                 0x5c000000
+#define MMAP_START_ADDR_DRA		0x5c000000
+#define MMAP_START_ADDR_AM43x		0x30000000
 #define CORE_CTRL_IO                    0x4a002558
 
 #define QSPI_CMD_READ                   (0x3 << 0)
@@ -99,7 +102,11 @@ static void ti_spi_setup_spi_register(struct ti_qspi_slave *qslave)
 	struct spi_slave *slave = &qslave->slave;
 	u32 memval = 0;
 
-	slave->memory_map = (void *)MMAP_START_ADDR;
+#ifdef CONFIG_DRA7XX
+	slave->memory_map = (void *)MMAP_START_ADDR_DRA;
+#else
+	slave->memory_map = (void *)MMAP_START_ADDR_AM43x;
+#endif
 
 	memval |= QSPI_CMD_READ | QSPI_SETUP0_NUM_A_BYTES |
 			QSPI_SETUP0_NUM_D_BYTES_NO_BITS |
@@ -165,6 +172,11 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
 {
 	struct ti_qspi_slave *qslave;
 
+#ifdef CONFIG_AM43XX
+	gpio_request(CONFIG_QSPI_SEL_GPIO, "qspi_gpio");
+	gpio_direction_output(CONFIG_QSPI_SEL_GPIO, 1);
+#endif
+
 	qslave = spi_alloc_slave(struct ti_qspi_slave, bus, cs);
 	if (!qslave) {
 		printf("SPI_error: Fail to allocate ti_qspi_slave\n");
@@ -229,7 +241,11 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
 	const uchar *txp = dout;
 	uchar *rxp = din;
 	uint status;
-	int timeout, val;
+	int timeout;
+
+#ifdef CONFIG_DRA7XX
+	int val;
+#endif
 
 	debug("spi_xfer: bus:%i cs:%i bitlen:%i words:%i flags:%lx\n",
 	      slave->bus, slave->cs, bitlen, words, flags);
@@ -237,15 +253,19 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
 	/* Setup mmap flags */
 	if (flags & SPI_XFER_MMAP) {
 		writel(MM_SWITCH, &qslave->base->memswitch);
+#ifdef CONFIG_DRA7XX
 		val = readl(CORE_CTRL_IO);
 		val |= MEM_CS;
 		writel(val, CORE_CTRL_IO);
+#endif
 		return 0;
 	} else if (flags & SPI_XFER_MMAP_END) {
 		writel(~MM_SWITCH, &qslave->base->memswitch);
+#ifdef CONFIG_DRA7XX
 		val = readl(CORE_CTRL_IO);
 		val &= MEM_CS_UNSELECT;
 		writel(val, CORE_CTRL_IO);
+#endif
 		return 0;
 	}
 
@@ -265,6 +285,13 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
 		qslave->cmd |= QSPI_3_PIN;
 	qslave->cmd |= 0xfff;
 
+/* FIXME: This delay is required for successfull
+ * completion of read/write/erase. Once its root
+ * caused, it will be remove from the driver.
+ */
+#ifdef CONFIG_AM43XX
+	udelay(100);
+#endif
 	while (words--) {
 		if (txp) {
 			debug("tx cmd %08x dc %08x data %02x\n",
diff --git a/drivers/spi/xilinx_spi.c b/drivers/spi/xilinx_spi.c
index 5ac0184..56d99d1 100644
--- a/drivers/spi/xilinx_spi.c
+++ b/drivers/spi/xilinx_spi.c
@@ -149,6 +149,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
 	const unsigned char *txp = dout;
 	unsigned char *rxp = din;
 	unsigned rxecount = 17;	/* max. 16 elements in FIFO, leftover 1 */
+	unsigned global_timeout;
 
 	debug("%s: bus:%i cs:%i bitlen:%i bytes:%i flags:%lx\n", __func__,
 		slave->bus, slave->cs, bitlen, bytes, flags);
@@ -176,11 +177,12 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
 	if (flags & SPI_XFER_BEGIN)
 		spi_cs_activate(slave);
 
-	while (bytes--) {
-		unsigned timeout = /* at least 1usec or greater, leftover 1 */
-			xilspi->freq > XILSPI_MAX_XFER_BITS * 1000000 ? 2 :
+	/* at least 1usec or greater, leftover 1 */
+	global_timeout = xilspi->freq > XILSPI_MAX_XFER_BITS * 1000000 ? 2 :
 			(XILSPI_MAX_XFER_BITS * 1000000 / xilspi->freq) + 1;
 
+	while (bytes--) {
+		unsigned timeout = global_timeout;
 		/* get Tx element from data out buffer and count up */
 		unsigned char d = txp ? *txp++ : CONFIG_XILINX_SPI_IDLE_VAL;
 		debug("%s: tx:%x ", __func__, d);