83 lines
2.9 KiB
C
83 lines
2.9 KiB
C
/* -*- mode:c -*-
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*
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* Copyright 2016 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Declare symbolic names for all the GPIOs that we care about.
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* Note: Those with interrupt handlers must be declared first. */
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/* Outputs */
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GPIO(PM_RESET_L, PIN(D, 0), GPIO_OUT_HIGH)
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GPIO(PM_KPD_PWR_L, PIN(D, 1), GPIO_OUT_HIGH)
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GPIO(AP_RESET_L, PIN(D, 2), GPIO_OUT_HIGH)
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GPIO(AP_FORCED_USB_BOOT, PIN(D, 3), GPIO_OUT_LOW)
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GPIO(AP_PS_HOLD, PIN(D, 4), GPIO_OUT_HIGH)
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GPIO(MUX_EN_L, PIN(A, 7), GPIO_INPUT)
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GPIO(USB_MUX_SEL, PIN(A, 6), GPIO_OUT_HIGH)
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GPIO(PHY_RESET, PIN(C, 4), GPIO_INPUT)
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GPIO(LED_BLUE, PIN(A, 2), GPIO_ODR_LOW)
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GPIO(LED_GRN, PIN(B, 8), GPIO_ODR_LOW)
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GPIO(LED_RED, PIN(B, 15), GPIO_ODR_LOW)
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/* Clock function */
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GPIO(MCU_TO_PHY_MCO, PIN(C, 9), GPIO_INPUT)
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/* These pin assignments aren't used as GPIO. Let's note them here
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* for readability but not initialize them.
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* USART1 TX/RX - AP
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* GPIO(MCU_UART1_TX, PIN(A, 9), GPIO_INPUT)
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* GPIO(MCU_UART1_RX, PIN(A, 10), GPIO_INPUT)
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* USART2 TX/RX - Sensor Hub
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* GPIO(MCU_UART2_TX, PIN(D, 5), GPIO_INPUT)
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* GPIO(MCU_UART2_RX, PIN(D, 6), GPIO_INPUT)
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* USART3 TX/RX - Console
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* GPIO(MCU_UART3_TX, PIN(C, 10), GPIO_INPUT)
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* GPIO(MCU_UART3_RX, PIN(C, 11), GPIO_INPUT)
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* USART5 TX/RX - SSC (?)
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* GPIO(MCU_UART5_TX, PIN(E, 7), GPIO_INPUT)
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* GPIO(MCU_UART5_RX, PIN(E, 8), GPIO_INPUT)
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*/
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/* USB pins */
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GPIO(USB_FS_DM, PIN(A, 11), GPIO_INPUT)
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GPIO(USB_FS_DP, PIN(A, 12), GPIO_INPUT)
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GPIO(USB_HS_ULPI_NXT, PIN(C, 3), GPIO_INPUT)
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GPIO(USB_HS_ULPI_DIR, PIN(C, 2), GPIO_INPUT)
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GPIO(USB_HS_ULPI_STP, PIN(C, 0), GPIO_INPUT)
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GPIO(USB_HS_ULPI_CK, PIN(A, 5), GPIO_INPUT)
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GPIO(USB_HS_ULPI_D7, PIN(B, 5), GPIO_INPUT)
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GPIO(USB_HS_ULPI_D6, PIN(B,13), GPIO_INPUT)
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GPIO(USB_HS_ULPI_D5, PIN(B,12), GPIO_INPUT)
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GPIO(USB_HS_ULPI_D4, PIN(B, 2), GPIO_INPUT)
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GPIO(USB_HS_ULPI_D3, PIN(B,10), GPIO_INPUT)
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GPIO(USB_HS_ULPI_D2, PIN(B, 1), GPIO_INPUT)
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GPIO(USB_HS_ULPI_D1, PIN(B, 0), GPIO_INPUT)
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GPIO(USB_HS_ULPI_D0, PIN(A, 3), GPIO_INPUT)
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/* Unimplemented signals since we are not an EC */
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UNIMPLEMENTED(ENTERING_RW)
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UNIMPLEMENTED(WP_L)
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ALTERNATE(PIN_MASK(A, 0x0600), 7, MODULE_UART, 0) /* USART1: PA9/PA10 - AP */
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ALTERNATE(PIN_MASK(D, 0x0060), 7, MODULE_UART, 0) /* USART2: PD5/PD6 - SH */
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ALTERNATE(PIN_MASK(C, 0x0c00), 7, MODULE_UART, 0) /* USART3: PC10/PC11 - Console */
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ALTERNATE(PIN_MASK(D, 0x00c0), 8, MODULE_UART, 0) /* USART5: PE7/PE8 - SSC */
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/* OTG FS */
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ALTERNATE(PIN_MASK(A, 0x1800), 10, MODULE_USB, 0) /* DWC USB OTG: PA11/12 */
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/* OTG HS */
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ALTERNATE(PIN_MASK(A, 0x0028), 10, MODULE_USB, 0) /* DWC USB OTG HS */
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ALTERNATE(PIN_MASK(B, 0x3427), 10, MODULE_USB, 0) /* DWC USB OTG HS */
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ALTERNATE(PIN_MASK(C, 0x000d), 10, MODULE_USB, 0) /* DWC USB OTG HS */
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ALTERNATE(PIN_MASK(C, 0x0200), 0, MODULE_MCO, 0) /* MCO2: PC9 */
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