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-rw-r--r--board/Marvell/mvebu_db-88f3720/MAINTAINERS6
-rw-r--r--board/Marvell/mvebu_db-88f3720/Makefile7
-rw-r--r--board/Marvell/mvebu_db-88f3720/board.c134
-rw-r--r--board/Marvell/mvebu_db-88f7040/MAINTAINERS6
-rw-r--r--board/Marvell/mvebu_db-88f7040/Makefile7
-rw-r--r--board/Marvell/mvebu_db-88f7040/board.c152
-rw-r--r--board/nvidia/seaboard/seaboard.c8
7 files changed, 319 insertions, 1 deletions
diff --git a/board/Marvell/mvebu_db-88f3720/MAINTAINERS b/board/Marvell/mvebu_db-88f3720/MAINTAINERS
new file mode 100644
index 0000000..4e80917
--- /dev/null
+++ b/board/Marvell/mvebu_db-88f3720/MAINTAINERS
@@ -0,0 +1,6 @@
+MVEBU_DB_88F3720 BOARD
+M: Stefan Roese <sr@denx.de>
+S: Maintained
+F: board/Marvell/mvebu_db-88f3720/
+F: include/configs/mvebu_db-88f3720.h
+F: configs/mvebu_db-88f3720_defconfig
diff --git a/board/Marvell/mvebu_db-88f3720/Makefile b/board/Marvell/mvebu_db-88f3720/Makefile
new file mode 100644
index 0000000..ed39738
--- /dev/null
+++ b/board/Marvell/mvebu_db-88f3720/Makefile
@@ -0,0 +1,7 @@
+#
+# Copyright (C) 2016 Stefan Roese <sr@denx.de>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y := board.o
diff --git a/board/Marvell/mvebu_db-88f3720/board.c b/board/Marvell/mvebu_db-88f3720/board.c
new file mode 100644
index 0000000..edf88c7
--- /dev/null
+++ b/board/Marvell/mvebu_db-88f3720/board.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2016 Stefan Roese <sr@denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* IO expander I2C device */
+#define I2C_IO_EXP_ADDR 0x22
+#define I2C_IO_CFG_REG_0 0x6
+#define I2C_IO_DATA_OUT_REG_0 0x2
+#define I2C_IO_REG_0_SATA_OFF 2
+#define I2C_IO_REG_0_USB_H_OFF 1
+
+int board_early_init_f(void)
+{
+ /* Nothing to do (yet), perhaps later some pin-muxing etc */
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+ return 0;
+}
+
+/* Board specific AHCI / SATA enable code */
+int board_ahci_enable(void)
+{
+ struct udevice *dev;
+ int ret;
+ u8 buf[8];
+
+ /* Configure IO exander PCA9555: 7bit address 0x22 */
+ ret = i2c_get_chip_for_busnum(0, I2C_IO_EXP_ADDR, 1, &dev);
+ if (ret) {
+ printf("Cannot find PCA9555: %d\n", ret);
+ return 0;
+ }
+
+ ret = dm_i2c_read(dev, I2C_IO_CFG_REG_0, buf, 1);
+ if (ret) {
+ printf("Failed to read IO expander value via I2C\n");
+ return -EIO;
+ }
+
+ /*
+ * Enable SATA power via IO expander connected via I2C by setting
+ * the corresponding bit to output mode to enable power for SATA
+ */
+ buf[0] &= ~(1 << I2C_IO_REG_0_SATA_OFF);
+ ret = dm_i2c_write(dev, I2C_IO_CFG_REG_0, buf, 1);
+ if (ret) {
+ printf("Failed to set IO expander via I2C\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+/* Board specific xHCI enable code */
+int board_xhci_enable(void)
+{
+ struct udevice *dev;
+ int ret;
+ u8 buf[8];
+
+ /* Configure IO exander PCA9555: 7bit address 0x22 */
+ ret = i2c_get_chip_for_busnum(0, I2C_IO_EXP_ADDR, 1, &dev);
+ if (ret) {
+ printf("Cannot find PCA9555: %d\n", ret);
+ return 0;
+ }
+
+ printf("Enable USB VBUS\n");
+
+ /*
+ * Read configuration (direction) and set VBUS pin as output
+ * (reset pin = output)
+ */
+ ret = dm_i2c_read(dev, I2C_IO_CFG_REG_0, buf, 1);
+ if (ret) {
+ printf("Failed to read IO expander value via I2C\n");
+ return -EIO;
+ }
+ buf[0] &= ~(1 << I2C_IO_REG_0_USB_H_OFF);
+ ret = dm_i2c_write(dev, I2C_IO_CFG_REG_0, buf, 1);
+ if (ret) {
+ printf("Failed to set IO expander via I2C\n");
+ return -EIO;
+ }
+
+ /* Read VBUS output value and disable it */
+ ret = dm_i2c_read(dev, I2C_IO_DATA_OUT_REG_0, buf, 1);
+ if (ret) {
+ printf("Failed to read IO expander value via I2C\n");
+ return -EIO;
+ }
+ buf[0] &= ~(1 << I2C_IO_REG_0_USB_H_OFF);
+ ret = dm_i2c_write(dev, I2C_IO_DATA_OUT_REG_0, buf, 1);
+ if (ret) {
+ printf("Failed to set IO expander via I2C\n");
+ return -EIO;
+ }
+
+ /*
+ * Required delay for configuration to settle - must wait for
+ * power on port is disabled in case VBUS signal was high,
+ * required 3 seconds delay to let VBUS signal fully settle down
+ */
+ mdelay(3000);
+
+ /* Enable VBUS power: Set output value of VBUS pin as enabled */
+ buf[0] |= (1 << I2C_IO_REG_0_USB_H_OFF);
+ ret = dm_i2c_write(dev, I2C_IO_DATA_OUT_REG_0, buf, 1);
+ if (ret) {
+ printf("Failed to set IO expander via I2C\n");
+ return -EIO;
+ }
+
+ mdelay(500); /* required delay to let output value settle */
+
+ return 0;
+}
diff --git a/board/Marvell/mvebu_db-88f7040/MAINTAINERS b/board/Marvell/mvebu_db-88f7040/MAINTAINERS
new file mode 100644
index 0000000..820461b
--- /dev/null
+++ b/board/Marvell/mvebu_db-88f7040/MAINTAINERS
@@ -0,0 +1,6 @@
+MVEBU_DB_88F7040 BOARD
+M: Stefan Roese <sr@denx.de>
+S: Maintained
+F: board/Marvell/mvebu_db-88f7040/
+F: include/configs/mvebu_db-88f7040.h
+F: configs/mvebu_db-88f7040_defconfig
diff --git a/board/Marvell/mvebu_db-88f7040/Makefile b/board/Marvell/mvebu_db-88f7040/Makefile
new file mode 100644
index 0000000..ed39738
--- /dev/null
+++ b/board/Marvell/mvebu_db-88f7040/Makefile
@@ -0,0 +1,7 @@
+#
+# Copyright (C) 2016 Stefan Roese <sr@denx.de>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y := board.o
diff --git a/board/Marvell/mvebu_db-88f7040/board.c b/board/Marvell/mvebu_db-88f7040/board.c
new file mode 100644
index 0000000..48bd55c
--- /dev/null
+++ b/board/Marvell/mvebu_db-88f7040/board.c
@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) 2016 Stefan Roese <sr@denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* IO expander I2C device */
+#define I2C_IO_EXP_ADDR 0x21
+#define I2C_IO_CFG_REG_0 0x6
+#define I2C_IO_DATA_OUT_REG_0 0x2
+/* VBus enable */
+#define I2C_IO_REG_0_USB_H0_OFF 0
+#define I2C_IO_REG_0_USB_H1_OFF 1
+#define I2C_IO_REG_VBUS ((1 << I2C_IO_REG_0_USB_H0_OFF) | \
+ (1 << I2C_IO_REG_0_USB_H1_OFF))
+/* Current limit */
+#define I2C_IO_REG_0_USB_H0_CL 4
+#define I2C_IO_REG_0_USB_H1_CL 5
+#define I2C_IO_REG_CL ((1 << I2C_IO_REG_0_USB_H0_CL) | \
+ (1 << I2C_IO_REG_0_USB_H1_CL))
+
+static int usb_enabled = 0;
+
+/* Board specific xHCI dis-/enable code */
+
+/*
+ * Set USB VBUS signals (via I2C IO expander/GPIO) as output and set
+ * output value as disabled
+ *
+ * Set USB Current Limit signals (via I2C IO expander/GPIO) as output
+ * and set output value as enabled
+ */
+int board_xhci_config(void)
+{
+ struct udevice *dev;
+ int ret;
+ u8 buf[8];
+
+ /* Configure IO exander PCA9555: 7bit address 0x21 */
+ ret = i2c_get_chip_for_busnum(0, I2C_IO_EXP_ADDR, 1, &dev);
+ if (ret) {
+ printf("Cannot find PCA9555: %d\n", ret);
+ return 0;
+ }
+
+ /*
+ * Read configuration (direction) and set VBUS pin as output
+ * (reset pin = output)
+ */
+ ret = dm_i2c_read(dev, I2C_IO_CFG_REG_0, buf, 1);
+ if (ret) {
+ printf("Failed to read IO expander value via I2C\n");
+ return -EIO;
+ }
+ buf[0] &= ~I2C_IO_REG_VBUS;
+ buf[0] &= ~I2C_IO_REG_CL;
+ ret = dm_i2c_write(dev, I2C_IO_CFG_REG_0, buf, 1);
+ if (ret) {
+ printf("Failed to set IO expander via I2C\n");
+ return -EIO;
+ }
+
+ /* Read output value and configure it */
+ ret = dm_i2c_read(dev, I2C_IO_DATA_OUT_REG_0, buf, 1);
+ if (ret) {
+ printf("Failed to read IO expander value via I2C\n");
+ return -EIO;
+ }
+ buf[0] &= ~I2C_IO_REG_VBUS;
+ buf[0] |= I2C_IO_REG_CL;
+ ret = dm_i2c_write(dev, I2C_IO_DATA_OUT_REG_0, buf, 1);
+ if (ret) {
+ printf("Failed to set IO expander via I2C\n");
+ return -EIO;
+ }
+
+ mdelay(500); /* required delay to let output value settle */
+
+ return 0;
+}
+
+int board_xhci_enable(void)
+{
+ struct udevice *dev;
+ int ret;
+ u8 buf[8];
+
+ /*
+ * This function enables all USB ports simultaniously,
+ * it only needs to get called once
+ */
+ if (usb_enabled)
+ return 0;
+
+ /* Configure IO exander PCA9555: 7bit address 0x21 */
+ ret = i2c_get_chip_for_busnum(0, I2C_IO_EXP_ADDR, 1, &dev);
+ if (ret) {
+ printf("Cannot find PCA9555: %d\n", ret);
+ return 0;
+ }
+
+ /* Read VBUS output value */
+ ret = dm_i2c_read(dev, I2C_IO_DATA_OUT_REG_0, buf, 1);
+ if (ret) {
+ printf("Failed to read IO expander value via I2C\n");
+ return -EIO;
+ }
+
+ /* Enable VBUS power: Set output value of VBUS pin as enabled */
+ buf[0] |= I2C_IO_REG_VBUS;
+ ret = dm_i2c_write(dev, I2C_IO_DATA_OUT_REG_0, buf, 1);
+ if (ret) {
+ printf("Failed to set IO expander via I2C\n");
+ return -EIO;
+ }
+
+ mdelay(500); /* required delay to let output value settle */
+ usb_enabled = 1;
+
+ return 0;
+}
+
+int board_early_init_f(void)
+{
+ /* Nothing to do (yet), perhaps later some pin-muxing etc */
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+ return 0;
+}
+
+int board_late_init(void)
+{
+ /* Pre-configure the USB ports (overcurrent, VBus) */
+ board_xhci_config();
+
+ return 0;
+}
diff --git a/board/nvidia/seaboard/seaboard.c b/board/nvidia/seaboard/seaboard.c
index fc9c1c9..4e01deb 100644
--- a/board/nvidia/seaboard/seaboard.c
+++ b/board/nvidia/seaboard/seaboard.c
@@ -44,6 +44,12 @@ void pin_mux_mmc(void)
void pin_mux_usb(void)
{
- /* For USB's GPIO PD0. For now, since we have no pinmux in fdt */
+ /* For USB0's GPIO PD0. For now, since we have no pinmux in fdt */
pinmux_tristate_disable(PMUX_PINGRP_SLXK);
+ /* For USB1's ULPI signals */
+ funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI);
+ pinmux_set_func(PMUX_PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4);
+ pinmux_tristate_disable(PMUX_PINGRP_CDEV2);
+ /* USB1 PHY reset GPIO */
+ pinmux_tristate_disable(PMUX_PINGRP_UAC);
}
generated by cgit v1.1 at 2024-07-08 14:55:34 +0000