[boards] Add CB2S board definition

boards/_base/beken-7231n-tuya.json

@@ -0,0 +1,24 @@
+{
+	"build": {
+		"bkcrypt_coeffs": "510fb093a3cbeadc5993a17ec7adeb03",
+		"bkboot_version": "1.0.1-bk7231n",
+		"bkrbl_size_app": "0x107800"
+	},
+	"flash": {
+		"bootloader": "0x000000+0x11000",
+		"app": "0x011000+0x119000",
+		"download": "0x12A000+0xA6000",
+		"tlv": "0x1D0000+0x1000",
+		"net": "0x1D1000+0x2000",
+		"kvs": "0x1D3000+0x8000",
+		"userdata": "0x1DB000+0x25000"
+	},
+	"upload": {
+		"maximum_size": 1083136
+	},
+	"doc": {
+		"extra": [
+			"Bootloader and app partitions contain CRC16 sums every 32 bytes. That results in the actual flash offsets/sizes not aligned to sector boundaries. To simplify calculations, the values shown in the table (extracted from bootloader's partition table) were aligned to 4096 bytes."
+		]
+	}
+}

boards/_base/beken-7231n.json

@@ -0,0 +1,14 @@
+{
+	"build": {
+		"family": "BK7231N",
+		"ldscript_sdk": "TBD.ld",
+		"ldscript_arduino": "TBD.ld"
+	},
+	"doc": {
+		"params": {
+			"extra": {
+				"Bluetooth": "BLE v5.1"
+			}
+		}
+	}
+}

boards/_base/pcb/cb2s-test.json

@@ -0,0 +1,60 @@
+{
+	"pcb": {
+		"scale": 11,
+		"test_pads": {
+			"TTX2": "cb2s.back.u2_txd.anchor",
+			"TRX2": "cb2s.back.u2_rxd.anchor",
+			"TCSN": "cb2s.back.csn.anchor"
+		},
+		"back": [
+			{
+				"type": "rect",
+				"pos": "6.0,8.9",
+				"size": "2.9,2.9",
+				"preset": "copper1"
+			},
+			{
+				"id": "u2_txd",
+				"name": "label_line_2mm_up",
+				"pos": "6.7,6.1",
+				"vars": {
+					"DIR": "left",
+					"W": 2.5,
+					"H": 0
+				}
+			},
+			{
+				"name": "test_pad_1mm",
+				"pos": "7.5,6.0"
+			},
+			{
+				"id": "u2_rxd",
+				"name": "label_line_2mm_up",
+				"pos": "6.2,8.1",
+				"vars": {
+					"DIR": "left",
+					"W": 2.0,
+					"H": 0
+				}
+			},
+			{
+				"name": "test_pad_1mm",
+				"pos": "7.0,8.0"
+			},
+			{
+				"id": "csn",
+				"name": "label_line_2mm_up",
+				"pos": "4.2,11.1",
+				"vars": {
+					"DIR": "left",
+					"W": 0,
+					"H": 0
+				}
+			},
+			{
+				"name": "test_pad_1mm",
+				"pos": "5.0,11.0"
+			}
+		]
+	}
+}

boards/_base/pcb/cb2s.json

@@ -0,0 +1,74 @@
+{
+	"pcb": {
+		"templates": [
+			"tuya2",
+			"rf-15mm-type1",
+			"tuya2-shield"
+		],
+		"vars": {
+			"MASK_PRESET": "mask_blue_light",
+			"TRACE_COLOR": "#58839B",
+			"SILK_COLOR": "white",
+			"PINTYPE_HORZ": "pin_horz_2mm_cast_hole"
+		},
+		"pinout_hidden": "I2S,JTAG,FLASH",
+		"pinout": {
+			"1": {
+				"PWR": 3.3
+			},
+			"2": {
+				"IC": 22,
+				"ARD": "D0"
+			},
+			"3": {
+				"GND": null
+			},
+			"4": {
+				"IC": 23,
+				"ARD": "D1"
+			},
+			"5": {
+				"IC": 26,
+				"ARD": "D4"
+			},
+			"6": {
+				"IC": 24,
+				"ARD": "D2"
+			},
+			"7": {
+				"IC": 27,
+				"ARD": "D5"
+			},
+			"8": {
+				"IC": 17,
+				"ARD": [
+					"D3",
+					"A0"
+				]
+			},
+			"9": {
+				"IC": 16,
+				"ARD": "D6"
+			},
+			"10": {
+				"IC": 21
+			},
+			"11": {
+				"IC": 15,
+				"ARD": "D7"
+			},
+			"TRX2": {
+				"IC": 28,
+				"ARD": "D9"
+			},
+			"TTX2": {
+				"IC": 29,
+				"ARD": "D8"
+			},
+			"TCSN": {
+				"IC": 19,
+				"ARD": "D10"
+			}
+		}
+	}
+}