[U-Boot] [PATCH v3] ulpi: add generic ULPI support header file
Jana Rapava
fermata7 at gmail.com
Sat Nov 12 18:17:12 CET 2011
Add ULPI header file needed by Efika USB support patchset and generic
ULPI support patch.
Signed-off-by: Jana Rapava <fermata7 at gmail.com>
Cc: Marek Vasut <marek.vasut at gmail.com>
Cc: Remy Bohmer <linux at bohmer.net>
Cc: Stefano Babic <sbabic at denx.de>
Cc: Igor Grinberg <grinberg at compulab.co.il>
Cc: Wolfgang Grandegger <wg at denx.de>
---
This patch is a prerequisite for Efika USB patchset.
Changes for v2:
- whitespace and comment changes
Changes for v3:
- remove _write suffix in register names
- change first argument of ULPI-related functions from "ehci"
to "ulpi_viewport"
include/usb/ulpi.h | 220 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 220 insertions(+), 0 deletions(-)
create mode 100644 include/usb/ulpi.h
diff --git a/include/usb/ulpi.h b/include/usb/ulpi.h
new file mode 100644
index 0000000..f131861
--- /dev/null
+++ b/include/usb/ulpi.h
@@ -0,0 +1,220 @@
+/*
+ * Copyright (C) 2011 Jana Rapava <fermata7 at gmail.com>
+ * Based on:
+ * linux/include/linux/usb/ulpi.h
+ * ULPI defines and function prototypes
+ *
+ * Original Copyrights follow:
+ * Copyright (C) 2010 Nokia Corporation
+ *
+ * This software is distributed under the terms of the GNU General
+ * Public License ("GPL") as published by the Free Software Foundation,
+ * version 2 of that License.
+ */
+
+#ifndef __USB_ULPI_H
+#define __USB_ULPI_H
+
+#define ULPI_ID_REGS_COUNT 4
+#define ULPI_TEST_VALUE 0x55
+/* value greater than 0xff indicates failure */
+#define ULPI_ERROR (1 << 8)
+#define ULPI_TIMEOUT 1000 /* some reasonable value */
+
+/* ULPI viewport control bits */
+#define ULPI_WU (1 << 31)
+#define ULPI_SS (1 << 27)
+#define ULPI_RWRUN (1 << 30)
+#define ULPI_RWCTRL (1 << 29)
+
+/* ULPI access modes */
+#define ULPI_WRITE 0x00
+#define ULPI_SET 0x01
+#define ULPI_CLEAR 0x02
+
+struct ulpi_regs {
+ /* Vendor ID and Product ID: 0x00 - 0x03 Read-only */
+ u8 vendor_id_low;
+ u8 vendor_id_high;
+ u8 product_id_low;
+ u8 product_id_high;
+ /* Function Control: 0x04 - 0x06 Read */
+ u8 function_ctrl; /* 0x04 Write */
+ u8 function_ctrl_set; /* 0x05 Set */
+ u8 function_ctrl_clear; /* 0x06 Clear */
+ /* Interface Control: 0x07 - 0x09 Read */
+ u8 iface_ctrl; /* 0x07 Write */
+ u8 iface_ctrl_set; /* 0x08 Set */
+ u8 iface_ctrl_clear; /* 0x09 Clear */
+ /* OTG Control: 0x0A - 0x0C Read */
+ u8 otg_ctrl; /* 0x0A Write */
+ u8 otg_ctrl_set; /* 0x0B Set */
+ u8 otg_ctrl_clear; /* 0x0C Clear */
+ /* USB Interrupt Enable Rising: 0x0D - 0x0F Read */
+ u8 usb_ie_rising; /* 0x0D Write */
+ u8 usb_ie_rising_set; /* 0x0E Set */
+ u8 usb_ie_rising_clear; /* 0x0F Clear */
+ /* USB Interrupt Enable Falling: 0x10 - 0x12 Read */
+ u8 usb_ie_falling; /* 0x10 Write */
+ u8 usb_ie_falling_set; /* 0x11 Set */
+ u8 usb_ie_falling_clear; /* 0x12 Clear */
+ /* USB Interrupt Status: 0x13 Read-only */
+ u8 usb_int_status;
+ /* USB Interrupt Latch: 0x14 Read-only with auto-clear */
+ u8 usb_int_latch;
+ /* Debug: 0x15 Read-only */
+ u8 debug;
+ /* Scratch Register: 0x16 - 0x18 Read */
+ u8 scratch; /* 0x16 Write */
+ u8 scratch_set; /* 0x17 Set */
+ u8 scratch_clear; /* 0x18 Clear */
+ /*
+ * Optional Carkit registers
+ */
+ /* Carkit Control: 0x19 - 0x1B Read */
+ u8 carkit_ctrl; /* 0x19 Write */
+ u8 carkit_ctrl_set; /* 0x1A Set */
+ u8 carkit_ctrl_clear; /* 0x1B Clear */
+ /* Carkit Interrupt Delay: 0x1C Read, Write */
+ u8 carkit_int_delay;
+ /* Carkit Interrupt Enable: 0x1D - 0x1F Read */
+ u8 carkit_ie; /* 0x1D Write */
+ u8 carkit_ie_set; /* 0x1E Set */
+ u8 carkit_ie_clear; /* 0x1F Clear */
+ /* Carkit Interrupt Status: 0x20 Read-only */
+ u8 carkit_int_status;
+ /* Carkit Interrupt Latch: 0x21 Read-only with auto-clear */
+ u8 carkit_int_latch;
+ /* Carkit Pulse Control: 0x22 - 0x24 Read */
+ u8 carkit_pulse_ctrl; /* 0x22 Write */
+ u8 carkit_pulse_ctrl_set; /* 0x23 Set */
+ u8 carkit_pulse_ctrl_clear; /* 0x24 Clear */
+ /*
+ * Other optional registers
+ */
+ /* Transmit Positive Width: 0x25 Read, Write */
+ u8 transmit_pos_width;
+ /* Transmit Negative Width: 0x26 Read, Write */
+ u8 transmit_neg_width;
+ /* Receive Polarity Recovery: 0x27 Read, Write */
+ u8 recv_pol_recovery;
+ /*
+ * Addresses 0x28 - 0x2E are reserved, so we use offsets
+ * for immediate registers with higher addresses
+ */
+};
+
+/* Access Extended Register Set (indicator) */
+#define ACCESS_EXT_REGS_OFFSET 0x2f /* read-write */
+/* Vendor-specific */
+#define VENDOR_SPEC_OFFSET 0x30
+
+/*
+ * Extended Register Set
+ *
+ * Addresses 0x00-0x3F map directly to Immediate Register Set.
+ * Addresses 0x40-0x7F are reserved.
+ * Addresses 0x80-0xff are vendor-specific.
+ */
+#define EXT_VENDOR_SPEC_OFFSET 0x80
+
+/*
+ * Register Bits
+ */
+
+/* Function Control */
+#define ULPI_FC_XCVRSEL (1 << 0)
+#define ULPI_FC_XCVRSEL_MASK (3 << 0)
+#define ULPI_FC_HIGH_SPEED (0 << 0)
+#define ULPI_FC_FULL_SPEED (1 << 0)
+#define ULPI_FC_LOW_SPEED (2 << 0)
+#define ULPI_FC_FS4LS (3 << 0)
+#define ULPI_FC_TERMSELECT (1 << 2)
+#define ULPI_FC_OPMODE (1 << 3)
+#define ULPI_FC_OPMODE_MASK (3 << 3)
+#define ULPI_FC_OPMODE_NORMAL (0 << 3)
+#define ULPI_FC_OPMODE_NONDRIVING (1 << 3)
+#define ULPI_FC_OPMODE_DISABLE_NRZI (2 << 3)
+#define ULPI_FC_OPMODE_NOSYNC_NOEOP (3 << 3)
+#define ULPI_FC_RESET (1 << 5)
+#define ULPI_FC_SUSPENDM (1 << 6)
+
+/* Interface Control */
+#define ULPI_IFACE_6_PIN_SERIAL_MODE (1 << 0)
+#define ULPI_IFACE_3_PIN_SERIAL_MODE (1 << 1)
+#define ULPI_IFACE_CARKITMODE (1 << 2)
+#define ULPI_IFACE_CLOCKSUSPENDM (1 << 3)
+#define ULPI_IFACE_AUTORESUME (1 << 4)
+#define ULPI_IFACE_EXTVBUS_COMPLEMENT (1 << 5)
+#define ULPI_IFACE_PASSTHRU (1 << 6)
+#define ULPI_IFACE_PROTECT_IFC_DISABLE (1 << 7)
+
+/* OTG Control */
+#define ULPI_OTG_ID_PULLUP (1 << 0)
+#define ULPI_OTG_DP_PULLDOWN (1 << 1)
+#define ULPI_OTG_DM_PULLDOWN (1 << 2)
+#define ULPI_OTG_DISCHRGVBUS (1 << 3)
+#define ULPI_OTG_CHRGVBUS (1 << 4)
+#define ULPI_OTG_DRVVBUS (1 << 5)
+#define ULPI_OTG_DRVVBUS_EXT (1 << 6)
+#define ULPI_OTG_EXTVBUSIND (1 << 7)
+
+/*
+ * USB Interrupt Enable Rising,
+ * USB Interrupt Enable Falling,
+ * USB Interrupt Status and
+ * USB Interrupt Latch
+ */
+#define ULPI_INT_HOST_DISCONNECT (1 << 0)
+#define ULPI_INT_VBUS_VALID (1 << 1)
+#define ULPI_INT_SESS_VALID (1 << 2)
+#define ULPI_INT_SESS_END (1 << 3)
+#define ULPI_INT_IDGRD (1 << 4)
+
+/* Debug */
+#define ULPI_DEBUG_LINESTATE0 (1 << 0)
+#define ULPI_DEBUG_LINESTATE1 (1 << 1)
+
+/* Carkit Control */
+#define ULPI_CARKIT_CTRL_CARKITPWR (1 << 0)
+#define ULPI_CARKIT_CTRL_IDGNDDRV (1 << 1)
+#define ULPI_CARKIT_CTRL_TXDEN (1 << 2)
+#define ULPI_CARKIT_CTRL_RXDEN (1 << 3)
+#define ULPI_CARKIT_CTRL_SPKLEFTEN (1 << 4)
+#define ULPI_CARKIT_CTRL_SPKRIGHTEN (1 << 5)
+#define ULPI_CARKIT_CTRL_MICEN (1 << 6)
+
+/* Carkit Interrupt Enable */
+#define ULPI_CARKIT_INT_EN_IDFLOAT_RISE (1 << 0)
+#define ULPI_CARKIT_INT_EN_IDFLOAT_FALL (1 << 1)
+#define ULPI_CARKIT_INT_EN_CARINTDET (1 << 2)
+#define ULPI_CARKIT_INT_EN_DP_RISE (1 << 3)
+#define ULPI_CARKIT_INT_EN_DP_FALL (1 << 4)
+
+/*
+ * Carkit Interrupt Status and
+ * Carkit Interrupt Latch
+ */
+#define ULPI_CARKIT_INT_IDFLOAT (1 << 0)
+#define ULPI_CARKIT_INT_CARINTDET (1 << 1)
+#define ULPI_CARKIT_INT_DP (1 << 2)
+
+/* Carkit Pulse Control*/
+#define ULPI_CARKIT_PLS_CTRL_TXPLSEN (1 << 0)
+#define ULPI_CARKIT_PLS_CTRL_RXPLSEN (1 << 1)
+#define ULPI_CARKIT_PLS_CTRL_SPKRLEFT_BIASEN (1 << 2)
+#define ULPI_CARKIT_PLS_CTRL_SPKRRIGHT_BIASEN (1 << 3)
+
+void ulpi_write(u32 ulpi_viewport, u32 reg, u32 value);
+u32 ulpi_read(u32 ulpi_viewport, u32 reg);
+
+void ulpi_init(u32 ulpi_viewport, struct ulpi_regs *ulpi);
+
+void ulpi_otg_ctrl_flags(u32 ulpi_viewport,
+ struct ulpi_regs *ulpi, int access_mode, u32 flags);
+void ulpi_function_ctrl_flags(u32 ulpi_viewport,
+ struct ulpi_regs *ulpi, int access_mode, u32 flags);
+void ulpi_iface_ctrl_flags(u32 ulpi_viewport,
+ struct ulpi_regs *ulpi, int access_mode, u32 flags);
+
+#endif /* __USB_ULPI_H */
--
1.7.6.3
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