spi_enab_enable

diff --git a/arch/arm/cpu/armv7/am33xx/clock_am33xx.c b/arch/arm/cpu/armv7/am33xx/clock_am33xx.c
index 92142c8..8724366 100644
--- a/arch/arm/cpu/armv7/am33xx/clock_am33xx.c
+++ b/arch/arm/cpu/armv7/am33xx/clock_am33xx.c
@@ -147,6 +147,7 @@ void enable_basic_clocks(void)
        &cmper->i2c1clkctrl,
        &cmper->cpgmac0clkctrl,
        &cmper->spi0clkctrl,
+        &cmper->spi1clkctrl,
        &cmrtc->rtcclkctrl,
        &cmper->usb0clkctrl,
        &cmper->emiffwclkctrl,
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index 49d95cf..c8d4aed 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -24,6 +24,7 @@
 #include <asm/emif.h>
 #include <asm/gpio.h>
 #include <i2c.h>
+#include <spi.h>
 #include <miiphy.h>
 #include <cpsw.h>
 #include <power/tps65217.h>
@@ -37,6 +38,7 @@ DECLARE_GLOBAL_DATA_PTR;

 /* GPIO that controls power to DDR on EVM-SK */
 #define GPIO_DDR_VTT_EN        7
+#define GPIO_ENABLE_PIN     20

 #if defined(CONFIG_SPL_BUILD) || \
    (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_DM_ETH))
@@ -229,6 +231,13 @@ void am33xx_spl_board_init(void)
    if (read_eeprom(&header) < 0)
        puts("Could not get board ID.\n");

+#ifdef CONFIG_DISABLE_REPLICAPE_STEPPERS
+    enable_spi1_pin_mux();
+#endif
+
+#ifdef CONFIG_REPLICAPE_SET_DISABLE_PIN
+    enable_enable_pin_mux();
+#endif
    /* Get the frequency */
    dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);

@@ -476,6 +485,49 @@ void sdram_init(void)
 }
 #endif

+
+/* Disable steppers from u-boot*/
+#ifdef CONFIG_DISABLE_REPLICAPE_STEPPERS
+void spi_disable_steppers(void){
+    struct spi_slave *slave;
+   int ret = 0;
+    int bus = 1;
+    int cs = 1;
+    int mode = 0;
+    int bitlen = 40;
+
+    uchar dout[5] = {0xFF};
+    uchar din[5] = {0xFF};
+
+    printf("Replicape steppers disabled\n");
+
+   slave = spi_setup_slave(bus, cs, 1000000, mode);
+   if (!slave) {
+       printf("Invalid device %d:%d\n", bus, cs);
+       return;
+   }
+
+   ret = spi_claim_bus(slave);
+   if (ret)
+       goto done;
+   ret = spi_xfer(slave, bitlen, dout, din,
+              SPI_XFER_BEGIN | SPI_XFER_END);
+   if (ret) {
+       printf("Error %d during SPI transaction\n", ret);
+   }
+done:
+   spi_release_bus(slave);
+}
+#endif
+
+#ifdef CONFIG_REPLICAPE_SET_DISABLE_PIN
+void set_enable_pin(void){
+    printf("Replicape enable pin set high\n");
+   gpio_request(GPIO_ENABLE_PIN, "gpio_enable_pin");
+   gpio_direction_output(GPIO_ENABLE_PIN, 1);
+}
+#endif
+
 /*
  * Basic board specific setup.  Pinmux has been handled already.
  */
@@ -483,6 +535,12 @@ int board_init(void)
 {
    u32 sys_reboot;

+#ifdef CONFIG_DISABLE_REPLICAPE_STEPPERS
+    spi_disable_steppers();
+#endif
+#ifdef CONFIG_REPLICAPE_SET_DISABLE_PIN
+    set_enable_pin();
+#endif
    sys_reboot = readl(PRM_RSTST);
    if (sys_reboot & (1 << 9))
        puts("Reset Source: IcePick reset has occurred.\n");
diff --git a/board/ti/am335x/board.h b/board/ti/am335x/board.h
index bc700d5..d83fcb9 100644
--- a/board/ti/am335x/board.h
+++ b/board/ti/am335x/board.h
@@ -73,5 +73,8 @@ void enable_uart3_pin_mux(void);
 void enable_uart4_pin_mux(void);
 void enable_uart5_pin_mux(void);
 void enable_i2c0_pin_mux(void);
+#ifdef CONFIG_DISABLE_REPLICAPE_STEPPERS
+void enable_spi1_pin_mux(void);
+#endif
 void enable_board_pin_mux(struct am335x_baseboard_id *header);
 #endif
diff --git a/board/ti/am335x/mux.c b/board/ti/am335x/mux.c
index 79ed02f..007215e 100644
--- a/board/ti/am335x/mux.c
+++ b/board/ti/am335x/mux.c
@@ -129,6 +129,21 @@ static struct module_pin_mux spi0_pin_mux[] = {
    {-1},
 };

+static struct module_pin_mux spi1_pin_mux[] = {
+    {OFFSET(mcasp0_aclkx), (MODE(3) | RXACTIVE | PULLUDEN)},    /* SPI1_SCLK */
+    {OFFSET(mcasp0_fsx), (MODE(3) | RXACTIVE | PULLUDEN | PULLUP_EN)},            /* SPI1_D0 */
+    {OFFSET(mcasp0_axr0), (MODE(3) | RXACTIVE | PULLUDEN)},    /* SPI1_D1 */
+    {OFFSET(ecap0_in_pwm0_out), (MODE(2) | RXACTIVE | PULLUDEN | PULLUP_EN)},            /* SPI1_CS1 */
+    {-1},
+};
+
+static struct module_pin_mux enable_pin_mux[] = {
+    {OFFSET(xdma_event_intr1), (MODE(7) | RXACTIVE | PULLUDEN)},    /* ENABLE */
+    {-1},
+};
+
+
+
 static struct module_pin_mux gpio0_7_pin_mux[] = {
    {OFFSET(ecap0_in_pwm0_out), (MODE(7) | PULLUDEN)},  /* GPIO0_7 */
    {-1},
@@ -278,6 +293,16 @@ void enable_i2c0_pin_mux(void)
    configure_module_pin_mux(i2c0_pin_mux);
 }

+void enable_spi1_pin_mux(void)
+{
+    configure_module_pin_mux(spi1_pin_mux);
+}
+
+void enable_enable_pin_mux(void)
+{
+    configure_module_pin_mux(enable_pin_mux);
+}
+
 /*
  * The AM335x GP EVM, if daughter card(s) are connected, can have 8
  * different profiles.  These profiles determine what peripherals are
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index e3402c4..e9d623f 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -18,6 +18,8 @@

 #include <configs/ti_am335x_common.h>
 #define CONFIG_ENV_IS_NOWHERE
+#define CONFIG_DISABLE_REPLICAPE_STEPPERS
+#define CONFIG_REPLICAPE_SET_DISABLE_PIN

 /* Don't override the distro default bootdelay */
 #undef CONFIG_BOOTDELAY