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-rw-r--r--board/scalys/grapeboard/gpio_grapeboard.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/board/scalys/grapeboard/gpio_grapeboard.h b/board/scalys/grapeboard/gpio_grapeboard.h
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+++ b/board/scalys/grapeboard/gpio_grapeboard.h
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+/*
+ * Copyright 2017 Scalys B.V.
+ * opensource@scalys.com
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef GPIO_GRAPEBOARD_H_
+#define GPIO_GRAPEBOARD_H_
+
+/* GPIO1 and GPIO2 registers */
+#define CONFIG_SYS_GPIO1 0x2300000
+#define CONFIG_SYS_GPIO2 0x2310000
+#define GPIO_PIN_MASK(shift) (0x80000000 >> shift)
+
+/* =====================================================
+ * Grapeboard ExPI mapping (*pin name at ls1012a side)
+ * Note: The secondary options require modified RCW.
+ * =====================================================
+ * 3V3 -| 1 2|- 5V0
+ * I2C_SDA -| 3 4|- 5V0
+ * I2C_SCL -| 5 6|- GND
+ * CLK0_25MHZ -| 7 8|- UART_TXD
+ * GND -| 9 10|- UART_RXD
+ * GPIO1_27* -|11 12|- GPIO2_04*
+ * GPIO2_05* -|13 14|- GND
+ * GPIO2_06* -|15 16|- GPIO2_07*
+ * 3V3 -|17 18|- GPIO2_09*
+ * SPI_MOSI/GPIO1_24* -|19 20|- GND
+ * SPI_MISO/GPIO1_28* -|21 22|- GPIO2_10*
+ * SPI_CLK/GPIO1_29* -|23 24|- SPI_CE0/GPIO1_25*
+ * GND -|25 26|- SPI_CE1/GPIO1_26*
+ */
+
+/* ExPI gpios */
+#define gpio1_27 GPIO_PIN_MASK(27) /* ExPI pin 11 */
+#define gpio2_04 GPIO_PIN_MASK(4) /* ExPI pin 12 */
+#define gpio2_05 GPIO_PIN_MASK(5) /* ExPI pin 13 */
+#define gpio2_06 GPIO_PIN_MASK(6) /* ExPI pin 15 */
+#define gpio2_07 GPIO_PIN_MASK(7) /* ExPI pin 16 */
+#define gpio2_09 GPIO_PIN_MASK(9) /* ExPI pin 18 */
+#define gpio2_10 GPIO_PIN_MASK(10) /* ExPI pin 22 */
+
+/* M.2 gpios */
+#define gpio1_22 GPIO_PIN_MASK(22)
+#define gpio2_00 GPIO_PIN_MASK(0)
+#define gpio2_01 GPIO_PIN_MASK(1)
+#define gpio2_02 GPIO_PIN_MASK(2)
+#define M2_CFG1 GPIO_PIN_MASK(11) /* gpio2_11 */
+#define M2_CFG0 GPIO_PIN_MASK(12) /* gpio2_12 */
+#define M2_CFG2 GPIO_PIN_MASK(13) /* gpio2_13 */
+#define M2_CFG3 GPIO_PIN_MASK(14) /* gpio2_14 */
+
+/* Other gpios */
+#define QSPI_MUX_N_MASK GPIO_PIN_MASK(3) /* gpio2_03 */
+
+#endif /* GPIO_GRAPEBOARD_H_ */