GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
21813 changed files with 4413081 additions and 0 deletions
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+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef PLAT_GPIO_H
+#define PLAT_GPIO_H
+
+#include <endian.h>
+#include <lib/mmio.h>
+
+/* GPIO Register offset */
+#define GPIO_SEL_MASK		0x7F
+#define GPIO_BIT_MASK		0x1F
+#define GPDIR_REG_OFFSET	0x0
+#define GPDAT_REG_OFFSET	0x8
+
+#define GPIO_ID_BASE_ADDR_SHIFT 5U
+#define GPIO_BITS_PER_BASE_REG	32U
+
+#define GPIO_0			0
+#define GPIO_1			1
+#define GPIO_2			2
+#define GPIO_3			3
+
+#define GPIO_SUCCESS		0x0
+#define GPIO_FAILURE		0x1
+
+#ifdef NXP_GPIO_BE
+#define gpio_read32(a)           bswap32(mmio_read_32((uintptr_t)(a)))
+#define gpio_write32(a, v)       mmio_write_32((uintptr_t)(a), bswap32(v))
+#elif defined(NXP_GPIO_LE)
+#define gpio_read32(a)           mmio_read_32((uintptr_t)(a))
+#define gpio_write32(a, v)       mmio_write_32((uintptr_t)(a), (v))
+#else
+#error Please define GPIO register endianness
+#endif
+
+typedef struct {
+	uintptr_t gpio1_base_addr;
+	uintptr_t gpio2_base_addr;
+	uintptr_t gpio3_base_addr;
+	uintptr_t gpio4_base_addr;
+} gpio_init_info_t;
+
+void gpio_init(gpio_init_info_t *gpio_init_data);
+uint32_t *select_gpio_n_bitnum(uint32_t povdd_gpio, uint32_t *bit_num);
+int clr_gpio_bit(uint32_t *gpio_base_addr, uint32_t bit_num);
+int set_gpio_bit(uint32_t *gpio_base_addr, uint32_t bit_num);
+
+#endif /* PLAT_GPIO_H */