spl: mmc: Unify non/driver model spl_mmc_find_device()

[u-boot] / drivers / spi / ti_qspi.c

diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c
index fd7fea8df5b12623c5cba84296e1c3a302619072..646dd899d3ec262e1afdc22b66446d294540a257 100644 (file)
--- a/drivers/spi/ti_qspi.c
+++ b/drivers/spi/ti_qspi.c
@@ -13,18 +13,20 @@
 #include <spi.h>
 #include <asm/gpio.h>
 #include <asm/omap_gpio.h>
+#include <asm/omap_common.h>
+#include <asm/ti-common/ti-edma3.h>
 
 /* ti qpsi register bit masks */
 #define QSPI_TIMEOUT                    2000000
 #define QSPI_FCLK                       192000000
 /* clock control */
-#define QSPI_CLK_EN                     (1 << 31)
+#define QSPI_CLK_EN                     BIT(31)
 #define QSPI_CLK_DIV_MAX                0xffff
 /* command */
 #define QSPI_EN_CS(n)                   (n << 28)
 #define QSPI_WLEN(n)                    ((n-1) << 19)
-#define QSPI_3_PIN                      (1 << 18)
-#define QSPI_RD_SNGL                    (1 << 16)
+#define QSPI_3_PIN                      BIT(18)
+#define QSPI_RD_SNGL                    BIT(16)
 #define QSPI_WR_SNGL                    (2 << 16)
 #define QSPI_INVAL                      (4 << 16)
 #define QSPI_RD_QUAD                    (7 << 16)
@@ -34,8 +36,8 @@
 #define QSPI_CSPOL(n)                   (1 << (1 + n*8))
 #define QSPI_CKPOL(n)                   (1 << (n*8))
 /* status */
-#define QSPI_WC                         (1 << 1)
-#define QSPI_BUSY                       (1 << 0)
+#define QSPI_WC                         BIT(1)
+#define QSPI_BUSY                       BIT(0)
 #define QSPI_WC_BUSY                    (QSPI_WC | QSPI_BUSY)
 #define QSPI_XFER_DONE                  QSPI_WC
 #define MM_SWITCH                       0x01
@@ -102,17 +104,24 @@ static void ti_spi_setup_spi_register(struct ti_qspi_slave *qslave)
        struct spi_slave *slave = &qslave->slave;
        u32 memval = 0;
 
-#ifdef CONFIG_DRA7XX
+#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)
        slave->memory_map = (void *)MMAP_START_ADDR_DRA;
 #else
        slave->memory_map = (void *)MMAP_START_ADDR_AM43x;
-       slave->op_mode_rx = 8;
 #endif
 
+#ifdef CONFIG_QSPI_QUAD_SUPPORT
+       memval |= (QSPI_CMD_READ_QUAD | QSPI_SETUP0_NUM_A_BYTES |
+                       QSPI_SETUP0_NUM_D_BYTES_8_BITS |
+                       QSPI_SETUP0_READ_QUAD | QSPI_CMD_WRITE |
+                       QSPI_NUM_DUMMY_BITS);
+       slave->op_mode_rx = SPI_OPM_RX_QOF;
+#else
        memval |= QSPI_CMD_READ | QSPI_SETUP0_NUM_A_BYTES |
                        QSPI_SETUP0_NUM_D_BYTES_NO_BITS |
                        QSPI_SETUP0_READ_NORMAL | QSPI_CMD_WRITE |
                        QSPI_NUM_DUMMY_BITS;
+#endif
 
        writel(memval, &qslave->base->setup0);
 }
@@ -161,6 +170,8 @@ void spi_cs_deactivate(struct spi_slave *slave)
        debug("spi_cs_deactivate: 0x%08x\n", (u32)slave);
 
        writel(qslave->cmd | QSPI_INVAL, &qslave->base->cmd);
+       /* dummy readl to ensure bus sync */
+       readl(&qslave->base->cmd);
 }
 
 void spi_init(void)
@@ -244,7 +255,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
        uint status;
        int timeout;
 
-#ifdef CONFIG_DRA7XX
+#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)
        int val;
 #endif
 
@@ -254,7 +265,7 @@ 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
+#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)
                val = readl(CORE_CTRL_IO);
                val |= MEM_CS;
                writel(val, CORE_CTRL_IO);
@@ -262,7 +273,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
                return 0;
        } else if (flags & SPI_XFER_MMAP_END) {
                writel(~MM_SWITCH, &qslave->base->memswitch);
-#ifdef CONFIG_DRA7XX
+#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)
                val = readl(CORE_CTRL_IO);
                val &= MEM_CS_UNSELECT;
                writel(val, CORE_CTRL_IO);
@@ -340,3 +351,26 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
 
        return 0;
 }
+
+/* TODO: control from sf layer to here through dm-spi */
+#ifdef CONFIG_TI_EDMA3
+void spi_flash_copy_mmap(void *data, void *offset, size_t len)
+{
+       unsigned int                    addr = (unsigned int) (data);
+       unsigned int                    edma_slot_num = 1;
+
+       /* Invalidate the area, so no writeback into the RAM races with DMA */
+       invalidate_dcache_range(addr, addr + roundup(len, ARCH_DMA_MINALIGN));
+
+       /* enable edma3 clocks */
+       enable_edma3_clocks();
+
+       /* Call edma3 api to do actual DMA transfer     */
+       edma3_transfer(EDMA3_BASE, edma_slot_num, data, offset, len);
+
+       /* disable edma3 clocks */
+       disable_edma3_clocks();
+
+       *((unsigned int *)offset) += len;
+}
+#endif