1 /*
2  * (C) Copyright 2012-2012 Henrik Nordstrom <henrik@henriknordstrom.net>
3  *
4  * (C) Copyright 2007-2011
5  * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
6  * Tom Cubie <tangliang@allwinnertech.com>
7  *
8  * Configuration settings for the Allwinner sunxi series of boards.
9  *
10  * SPDX-License-Identifier:	GPL-2.0+
11  */
12 
13 #ifndef _SUNXI_COMMON_CONFIG_H
14 #define _SUNXI_COMMON_CONFIG_H
15 
16 #include <linux/stringify.h>
17 
18 #ifdef CONFIG_OLD_SUNXI_KERNEL_COMPAT
19 /*
20  * The U-Boot workarounds bugs in the outdated buggy sunxi-3.4 kernels at the
21  * expense of restricting some features, so the regular machine id values can
22  * be used.
23  */
24 # define CONFIG_MACH_TYPE_COMPAT_REV	0
25 #else
26 /*
27  * A compatibility guard to prevent loading outdated buggy sunxi-3.4 kernels.
28  * Only sunxi-3.4 kernels with appropriate fixes applied are able to pass
29  * beyond the machine id check.
30  */
31 # define CONFIG_MACH_TYPE_COMPAT_REV	1
32 #endif
33 
34 /*
35  * High Level Configuration Options
36  */
37 #define CONFIG_SUNXI		/* sunxi family */
38 #ifdef CONFIG_SPL_BUILD
39 #define CONFIG_SYS_THUMB_BUILD	/* Thumbs mode to save space in SPL */
40 #endif
41 
42 #include <asm/arch/cpu.h>	/* get chip and board defs */
43 
44 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_DM_SERIAL)
45 # define CONFIG_DW_SERIAL
46 #endif
47 
48 /*
49  * Display CPU information
50  */
51 #define CONFIG_DISPLAY_CPUINFO
52 
53 #define CONFIG_SYS_PROMPT	"sunxi# "
54 
55 /* Serial & console */
56 #define CONFIG_SYS_NS16550
57 #define CONFIG_SYS_NS16550_SERIAL
58 /* ns16550 reg in the low bits of cpu reg */
59 #define CONFIG_SYS_NS16550_CLK		24000000
60 #ifndef CONFIG_DM_SERIAL
61 # define CONFIG_SYS_NS16550_REG_SIZE	-4
62 # define CONFIG_SYS_NS16550_COM1		SUNXI_UART0_BASE
63 # define CONFIG_SYS_NS16550_COM2		SUNXI_UART1_BASE
64 # define CONFIG_SYS_NS16550_COM3		SUNXI_UART2_BASE
65 # define CONFIG_SYS_NS16550_COM4		SUNXI_UART3_BASE
66 # define CONFIG_SYS_NS16550_COM5		SUNXI_R_UART_BASE
67 #endif
68 
69 /* CPU */
70 #define CONFIG_SYS_CACHELINE_SIZE	64
71 
72 /*
73  * The DRAM Base differs between some models. We cannot use macros for the
74  * CONFIG_FOO defines which contain the DRAM base address since they end
75  * up unexpanded in include/autoconf.mk .
76  *
77  * So we have to have this #ifdef #else #endif block for these.
78  */
79 #ifdef CONFIG_MACH_SUN9I
80 #define SDRAM_OFFSET(x) 0x2##x
81 #define CONFIG_SYS_SDRAM_BASE		0x20000000
82 #define CONFIG_SYS_LOAD_ADDR		0x22000000 /* default load address */
83 #define CONFIG_SYS_TEXT_BASE		0x2a000000
84 #define CONFIG_PRE_CON_BUF_ADDR		0x2f000000
85 #define CONFIG_SYS_SPL_MALLOC_START	0x2ff00000
86 #define CONFIG_SPL_BSS_START_ADDR	0x2ff80000
87 #else
88 #define SDRAM_OFFSET(x) 0x4##x
89 #define CONFIG_SYS_SDRAM_BASE		0x40000000
90 #define CONFIG_SYS_LOAD_ADDR		0x42000000 /* default load address */
91 #define CONFIG_SYS_TEXT_BASE		0x4a000000
92 #define CONFIG_PRE_CON_BUF_ADDR		0x4f000000
93 #define CONFIG_SYS_SPL_MALLOC_START	0x4ff00000
94 #define CONFIG_SPL_BSS_START_ADDR	0x4ff80000
95 #endif
96 
97 #define CONFIG_SPL_BSS_MAX_SIZE		0x00080000 /* 512 KiB */
98 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x00080000 /* 512 KiB */
99 
100 #ifdef CONFIG_MACH_SUN9I
101 /*
102  * The A80's A1 sram starts at 0x00010000 rather then at 0x00000000 and is
103  * slightly bigger. Note that it is possible to map the first 32 KiB of the
104  * A1 at 0x00000000 like with older SoCs by writing 0x16aa0001 to the
105  * undocumented 0x008000e0 SYS_CTRL register. Where the 16aa is a key and
106  * the 1 actually activates the mapping of the first 32 KiB to 0x00000000.
107  */
108 #define CONFIG_SYS_INIT_RAM_ADDR	0x10000
109 #define CONFIG_SYS_INIT_RAM_SIZE	0x0a000	/* 40 KiB */
110 #else
111 #define CONFIG_SYS_INIT_RAM_ADDR	0x0
112 #define CONFIG_SYS_INIT_RAM_SIZE	0x8000	/* 32 KiB */
113 #endif
114 
115 #define CONFIG_SYS_INIT_SP_OFFSET \
116 	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
117 #define CONFIG_SYS_INIT_SP_ADDR \
118 	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
119 
120 #define CONFIG_NR_DRAM_BANKS		1
121 #define PHYS_SDRAM_0			CONFIG_SYS_SDRAM_BASE
122 #define PHYS_SDRAM_0_SIZE		0x80000000 /* 2 GiB */
123 
124 #ifdef CONFIG_AHCI
125 #define CONFIG_LIBATA
126 #define CONFIG_SCSI_AHCI
127 #define CONFIG_SCSI_AHCI_PLAT
128 #define CONFIG_SUNXI_AHCI
129 #define CONFIG_SYS_64BIT_LBA
130 #define CONFIG_SYS_SCSI_MAX_SCSI_ID	1
131 #define CONFIG_SYS_SCSI_MAX_LUN		1
132 #define CONFIG_SYS_SCSI_MAX_DEVICE	(CONFIG_SYS_SCSI_MAX_SCSI_ID * \
133 					 CONFIG_SYS_SCSI_MAX_LUN)
134 #define CONFIG_CMD_SCSI
135 #endif
136 
137 #define CONFIG_SETUP_MEMORY_TAGS
138 #define CONFIG_CMDLINE_TAG
139 #define CONFIG_INITRD_TAG
140 #define CONFIG_SERIAL_TAG
141 
142 /* mmc config */
143 #if !defined(CONFIG_UART0_PORT_F)
144 #define CONFIG_MMC
145 #define CONFIG_GENERIC_MMC
146 #define CONFIG_CMD_MMC
147 #define CONFIG_MMC_SUNXI
148 #define CONFIG_MMC_SUNXI_SLOT		0
149 #define CONFIG_ENV_IS_IN_MMC
150 #define CONFIG_SYS_MMC_ENV_DEV		0	/* first detected MMC controller */
151 #endif
152 
153 /* 4MB of malloc() pool */
154 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (4 << 20))
155 
156 /*
157  * Miscellaneous configurable options
158  */
159 #define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
160 #define CONFIG_SYS_PBSIZE	1024	/* Print Buffer Size */
161 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
162 #define CONFIG_SYS_GENERIC_BOARD
163 
164 /* Boot Argument Buffer Size */
165 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
166 
167 /* standalone support */
168 #define CONFIG_STANDALONE_LOAD_ADDR	CONFIG_SYS_LOAD_ADDR
169 
170 /* baudrate */
171 #define CONFIG_BAUDRATE			115200
172 
173 /* The stack sizes are set up in start.S using the settings below */
174 #define CONFIG_STACKSIZE		(256 << 10)	/* 256 KiB */
175 
176 /* FLASH and environment organization */
177 
178 #define CONFIG_SYS_NO_FLASH
179 
180 #define CONFIG_SYS_MONITOR_LEN		(512 << 10)	/* 512 KiB */
181 #define CONFIG_IDENT_STRING		" Allwinner Technology"
182 
183 #define CONFIG_ENV_OFFSET		(544 << 10) /* (8 + 24 + 512) KiB */
184 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB */
185 
186 #define CONFIG_FAT_WRITE	/* enable write access */
187 
188 #define CONFIG_SPL_FRAMEWORK
189 #define CONFIG_SPL_LIBCOMMON_SUPPORT
190 #define CONFIG_SPL_SERIAL_SUPPORT
191 #define CONFIG_SPL_LIBGENERIC_SUPPORT
192 
193 #define CONFIG_SPL_BOARD_LOAD_IMAGE
194 
195 #define CONFIG_SPL_TEXT_BASE		0x20		/* sram start+header */
196 #define CONFIG_SPL_MAX_SIZE		0x5fe0		/* 24KB on sun4i/sun7i */
197 
198 #define CONFIG_SPL_LIBDISK_SUPPORT
199 
200 #if !defined(CONFIG_UART0_PORT_F)
201 #define CONFIG_SPL_MMC_SUPPORT
202 #endif
203 
204 #define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds"
205 
206 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	80	/* 40KiB */
207 #define CONFIG_SPL_PAD_TO		32768		/* decimal for 'dd' */
208 
209 /* end of 32 KiB in sram */
210 #define LOW_LEVEL_SRAM_STACK		0x00008000 /* End of sram */
211 #define CONFIG_SPL_STACK		LOW_LEVEL_SRAM_STACK
212 
213 /* I2C */
214 #if defined CONFIG_AXP152_POWER || defined CONFIG_AXP209_POWER
215 #define CONFIG_SPL_I2C_SUPPORT
216 #endif
217 
218 #if defined CONFIG_I2C0_ENABLE || defined CONFIG_I2C1_ENABLE || \
219     defined CONFIG_I2C2_ENABLE || defined CONFIG_I2C3_ENABLE || \
220     defined CONFIG_I2C4_ENABLE
221 #define CONFIG_SYS_I2C
222 #define CONFIG_SYS_I2C_MVTWSI
223 #define CONFIG_SYS_I2C_SPEED		400000
224 #define CONFIG_SYS_I2C_SLAVE		0x7f
225 #define CONFIG_CMD_I2C
226 #endif
227 
228 #if defined CONFIG_VIDEO_LCD_PANEL_I2C && !(defined CONFIG_SPL_BUILD)
229 #define CONFIG_SYS_I2C_SOFT
230 #define CONFIG_SYS_I2C_SOFT_SPEED	50000
231 #define CONFIG_SYS_I2C_SOFT_SLAVE	0x00
232 /* We use pin names in Kconfig and sunxi_name_to_gpio() */
233 #define CONFIG_SOFT_I2C_GPIO_SDA	soft_i2c_gpio_sda
234 #define CONFIG_SOFT_I2C_GPIO_SCL	soft_i2c_gpio_scl
235 #ifndef __ASSEMBLY__
236 extern int soft_i2c_gpio_sda;
237 extern int soft_i2c_gpio_scl;
238 #endif
239 #define CONFIG_VIDEO_LCD_I2C_BUS	0 /* The lcd panel soft i2c is bus 0 */
240 #define CONFIG_SYS_SPD_BUS_NUM		1 /* And the axp209 i2c bus is bus 1 */
241 #else
242 #define CONFIG_SYS_SPD_BUS_NUM		0 /* The axp209 i2c bus is bus 0 */
243 #define CONFIG_VIDEO_LCD_I2C_BUS	-1 /* NA, but necessary to compile */
244 #endif
245 
246 /* PMU */
247 #if defined CONFIG_AXP152_POWER || defined CONFIG_AXP209_POWER || defined CONFIG_AXP221_POWER
248 #define CONFIG_SPL_POWER_SUPPORT
249 #endif
250 
251 #ifndef CONFIG_CONS_INDEX
252 #define CONFIG_CONS_INDEX              1       /* UART0 */
253 #endif
254 
255 #if CONFIG_CONS_INDEX == 1
256 #ifdef CONFIG_MACH_SUN9I
257 #define OF_STDOUT_PATH		"/soc/serial@07000000:115200"
258 #else
259 #define OF_STDOUT_PATH		"/soc@01c00000/serial@01c28000:115200"
260 #endif
261 #elif CONFIG_CONS_INDEX == 2 && defined(CONFIG_MACH_SUN5I)
262 #define OF_STDOUT_PATH		"/soc@01c00000/serial@01c28400:115200"
263 #elif CONFIG_CONS_INDEX == 3 && defined(CONFIG_MACH_SUN8I)
264 #define OF_STDOUT_PATH		"/soc@01c00000/serial@01c28800:115200"
265 #elif CONFIG_CONS_INDEX == 5 && defined(CONFIG_MACH_SUN8I)
266 #define OF_STDOUT_PATH		"/soc@01c00000/serial@01f02800:115200"
267 #else
268 #error Unsupported console port nr. Please fix stdout-path in sunxi-common.h.
269 #endif
270 
271 /* GPIO */
272 #define CONFIG_SUNXI_GPIO
273 #define CONFIG_SPL_GPIO_SUPPORT
274 #define CONFIG_CMD_GPIO
275 
276 #ifdef CONFIG_VIDEO
277 /*
278  * The amount of RAM to keep free at the top of RAM when relocating u-boot,
279  * to use as framebuffer. This must be a multiple of 4096.
280  */
281 #define CONFIG_SUNXI_MAX_FB_SIZE (9 << 20)
282 
283 /* Do we want to initialize a simple FB? */
284 #define CONFIG_VIDEO_DT_SIMPLEFB
285 
286 #define CONFIG_VIDEO_SUNXI
287 
288 #define CONFIG_CFB_CONSOLE
289 #define CONFIG_VIDEO_SW_CURSOR
290 #define CONFIG_VIDEO_LOGO
291 #define CONFIG_VIDEO_STD_TIMINGS
292 #define CONFIG_I2C_EDID
293 
294 /* allow both serial and cfb console. */
295 #define CONFIG_CONSOLE_MUX
296 /* stop x86 thinking in cfbconsole from trying to init a pc keyboard */
297 #define CONFIG_VGA_AS_SINGLE_DEVICE
298 
299 /* To be able to hook simplefb into dt */
300 #ifdef CONFIG_VIDEO_DT_SIMPLEFB
301 #define CONFIG_OF_BOARD_SETUP
302 #endif
303 
304 #endif /* CONFIG_VIDEO */
305 
306 /* Ethernet support */
307 #ifdef CONFIG_SUNXI_EMAC
308 #define CONFIG_PHY_ADDR		1
309 #define CONFIG_MII			/* MII PHY management		*/
310 #define CONFIG_PHYLIB
311 #endif
312 
313 #ifdef CONFIG_SUNXI_GMAC
314 #define CONFIG_DW_AUTONEG
315 #define CONFIG_PHY_GIGE			/* GMAC can use gigabit PHY	*/
316 #define CONFIG_PHY_ADDR		1
317 #define CONFIG_MII			/* MII PHY management		*/
318 #define CONFIG_PHYLIB
319 #endif
320 
321 #ifdef CONFIG_USB_EHCI
322 #define CONFIG_USB_OHCI_NEW
323 #define CONFIG_USB_OHCI_SUNXI
324 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1
325 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1
326 #endif
327 
328 #ifdef CONFIG_USB_MUSB_SUNXI
329 #define CONFIG_MUSB_HOST
330 #define CONFIG_MUSB_PIO_ONLY
331 #endif
332 
333 #if defined CONFIG_USB_EHCI || defined CONFIG_USB_MUSB_SUNXI
334 #define CONFIG_CMD_USB
335 #define CONFIG_USB_STORAGE
336 #endif
337 
338 #ifdef CONFIG_USB_KEYBOARD
339 #define CONFIG_CONSOLE_MUX
340 #define CONFIG_PREBOOT
341 #define CONFIG_SYS_STDIO_DEREGISTER
342 #define CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE
343 #endif
344 
345 #if !defined CONFIG_ENV_IS_IN_MMC && \
346     !defined CONFIG_ENV_IS_IN_NAND && \
347     !defined CONFIG_ENV_IS_IN_FAT && \
348     !defined CONFIG_ENV_IS_IN_SPI_FLASH
349 #define CONFIG_ENV_IS_NOWHERE
350 #endif
351 
352 #define CONFIG_MISC_INIT_R
353 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
354 
355 #ifndef CONFIG_SPL_BUILD
356 #include <config_distro_defaults.h>
357 
358 /* Enable pre-console buffer to get complete log on the VGA console */
359 #define CONFIG_PRE_CONSOLE_BUFFER
360 #define CONFIG_PRE_CON_BUF_SZ		4096 /* Aprox 2 80*25 screens */
361 
362 /*
363  * 240M RAM (256M minimum minus space for the framebuffer),
364  * 32M uncompressed kernel, 16M compressed kernel, 1M fdt,
365  * 1M script, 1M pxe and the ramdisk at the end.
366  */
367 #define MEM_LAYOUT_ENV_SETTINGS \
368 	"bootm_size=0xf000000\0" \
369 	"kernel_addr_r=" __stringify(SDRAM_OFFSET(2000000)) "\0" \
370 	"fdt_addr_r=" __stringify(SDRAM_OFFSET(3000000)) "\0" \
371 	"scriptaddr=" __stringify(SDRAM_OFFSET(3100000)) "\0" \
372 	"pxefile_addr_r=" __stringify(SDRAM_OFFSET(3200000)) "\0" \
373 	"ramdisk_addr_r=" __stringify(SDRAM_OFFSET(3300000)) "\0"
374 
375 #ifdef CONFIG_MMC
376 #define BOOT_TARGET_DEVICES_MMC(func) func(MMC, mmc, 0)
377 #else
378 #define BOOT_TARGET_DEVICES_MMC(func)
379 #endif
380 
381 #ifdef CONFIG_AHCI
382 #define BOOT_TARGET_DEVICES_SCSI(func) func(SCSI, scsi, 0)
383 #else
384 #define BOOT_TARGET_DEVICES_SCSI(func)
385 #endif
386 
387 #ifdef CONFIG_USB_EHCI
388 #define BOOT_TARGET_DEVICES_USB(func) func(USB, usb, 0)
389 #else
390 #define BOOT_TARGET_DEVICES_USB(func)
391 #endif
392 
393 #define BOOT_TARGET_DEVICES(func) \
394 	BOOT_TARGET_DEVICES_MMC(func) \
395 	BOOT_TARGET_DEVICES_SCSI(func) \
396 	BOOT_TARGET_DEVICES_USB(func) \
397 	func(PXE, pxe, na) \
398 	func(DHCP, dhcp, na)
399 
400 #include <config_distro_bootcmd.h>
401 
402 #ifdef CONFIG_USB_KEYBOARD
403 #define CONSOLE_STDIN_SETTINGS \
404 	"preboot=usb start\0" \
405 	"stdin=serial,usbkbd\0"
406 #else
407 #define CONSOLE_STDIN_SETTINGS \
408 	"stdin=serial\0"
409 #endif
410 
411 #ifdef CONFIG_VIDEO
412 #define CONSOLE_STDOUT_SETTINGS \
413 	"stdout=serial,vga\0" \
414 	"stderr=serial,vga\0"
415 #else
416 #define CONSOLE_STDOUT_SETTINGS \
417 	"stdout=serial\0" \
418 	"stderr=serial\0"
419 #endif
420 
421 #define CONSOLE_ENV_SETTINGS \
422 	CONSOLE_STDIN_SETTINGS \
423 	CONSOLE_STDOUT_SETTINGS
424 
425 #define CONFIG_EXTRA_ENV_SETTINGS \
426 	CONSOLE_ENV_SETTINGS \
427 	MEM_LAYOUT_ENV_SETTINGS \
428 	"fdtfile=" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0" \
429 	"console=ttyS0,115200\0" \
430 	BOOTENV
431 
432 #else /* ifndef CONFIG_SPL_BUILD */
433 #define CONFIG_EXTRA_ENV_SETTINGS
434 #endif
435 
436 #endif /* _SUNXI_COMMON_CONFIG_H */
437