v1.0.3

bsp/artinchip/sys/d12x/include/boot_param.h

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2023 ArtInChip Technology Co.,Ltd
+ * Author: Dehuang Wu <dehuang.wu@artinchip.com>
+ */
+#ifndef __BOOT_PARAM_H__
+#define __BOOT_PARAM_H__
+
+#define set_boot_device(var, device) \
+    {                                \
+        (var) &= ~(0xF);             \
+        (var) |= (device) & (0xF);   \
+    }
+
+#define set_boot_reason(var, reason)    \
+    {                                   \
+        (var) &= ~(0xF << 4);           \
+        (var) |= (reason) & (0xF << 8); \
+    }
+
+#define get_boot_device(var)     ((var)&0xF)
+#define get_boot_controller(var) (((var) >> 4) & 0xF)
+#define get_boot_reason(var)     (((var) >> 8) & 0xF)
+#define get_boot_image_id(var)   (((var) >> 12) & 0xF)
+
+union boot_params {
+    /*
+	 * Save registers. Later's code use these register value to:
+	 * 1. Get parameters from previous boot stage
+	 * 2. Return to Boot ROM in some condition
+	 *
+	 *      a0 is boot param
+	 *      a1 is private data address
+	 */
+    unsigned long regs[22];
+    struct {
+        unsigned long a[8];  /* a0 ~ a7 */
+        unsigned long s[12]; /* s0 ~ s11 */
+        unsigned long sp;
+        unsigned long ra;
+    } r;
+};
+
+enum boot_reason {
+    BR_COLD_BOOT = 0,
+    BR_WARM_BOOT,
+};
+
+enum boot_device {
+    BD_NONE,
+    BD_SDMC0,
+    BD_SDMC1,
+    BD_SDMC2,
+    BD_SPINOR,
+    BD_SPINAND,
+    BD_SDFAT32,
+    BD_USB,
+    BD_UDISK,
+};
+
+enum boot_controller {
+    BC_NONE,
+    BC_SDMC0,
+    BC_SDMC1,
+    BC_SDMC2,
+    BC_SPI0,
+    BC_SPI1,
+    BC_USB,
+};
+
+#define BD_BOOTROM BD_USB
+
+typedef int (*nand_read)(void *dev, unsigned long offset, void *buf,
+                         unsigned long len);
+enum boot_reason aic_get_boot_reason(void);
+enum boot_device aic_get_boot_device(void);
+enum boot_controller aic_get_boot_controller(void);
+int aic_get_boot_image_id(void);
+unsigned long aic_timer_get_us(void);
+void *aic_get_boot_resource(void);
+void *aic_get_boot_resource_from_nand(void *dev, unsigned long pagesize,
+                                      nand_read fn);
+#endif /* __BOOT_PARAM_H__ */