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 <asm/arch/cpu.h>
17 #include <linux/stringify.h>
18 
19 #ifdef CONFIG_OLD_SUNXI_KERNEL_COMPAT
20 /*
21  * The U-Boot workarounds bugs in the outdated buggy sunxi-3.4 kernels at the
22  * expense of restricting some features, so the regular machine id values can
23  * be used.
24  */
25 # define CONFIG_MACH_TYPE_COMPAT_REV	0
26 #else
27 /*
28  * A compatibility guard to prevent loading outdated buggy sunxi-3.4 kernels.
29  * Only sunxi-3.4 kernels with appropriate fixes applied are able to pass
30  * beyond the machine id check.
31  */
32 # define CONFIG_MACH_TYPE_COMPAT_REV	1
33 #endif
34 
35 /*
36  * High Level Configuration Options
37  */
38 #define CONFIG_SUNXI		/* sunxi family */
39 #ifdef CONFIG_SPL_BUILD
40 #define CONFIG_SYS_THUMB_BUILD	/* Thumbs mode to save space in SPL */
41 #endif
42 
43 /* Serial & console */
44 #define CONFIG_SYS_NS16550
45 #define CONFIG_SYS_NS16550_SERIAL
46 /* ns16550 reg in the low bits of cpu reg */
47 #define CONFIG_SYS_NS16550_CLK		24000000
48 #ifdef CONFIG_DM_SERIAL
49 # define CONFIG_DW_SERIAL
50 #else
51 # define CONFIG_SYS_NS16550_REG_SIZE	-4
52 # define CONFIG_SYS_NS16550_COM1		SUNXI_UART0_BASE
53 # define CONFIG_SYS_NS16550_COM2		SUNXI_UART1_BASE
54 # define CONFIG_SYS_NS16550_COM3		SUNXI_UART2_BASE
55 # define CONFIG_SYS_NS16550_COM4		SUNXI_UART3_BASE
56 # define CONFIG_SYS_NS16550_COM5		SUNXI_R_UART_BASE
57 #endif
58 
59 /* CPU */
60 #define CONFIG_DISPLAY_CPUINFO
61 #define CONFIG_SYS_CACHELINE_SIZE	64
62 
63 /*
64  * The DRAM Base differs between some models. We cannot use macros for the
65  * CONFIG_FOO defines which contain the DRAM base address since they end
66  * up unexpanded in include/autoconf.mk .
67  *
68  * So we have to have this #ifdef #else #endif block for these.
69  */
70 #ifdef CONFIG_MACH_SUN9I
71 #define SDRAM_OFFSET(x) 0x2##x
72 #define CONFIG_SYS_SDRAM_BASE		0x20000000
73 #define CONFIG_SYS_LOAD_ADDR		0x22000000 /* default load address */
74 #define CONFIG_SYS_TEXT_BASE		0x2a000000
75 #define CONFIG_PRE_CON_BUF_ADDR		0x2f000000
76 /* Note SPL_STACK_R_ADDR is set through Kconfig, we include it here
77  * since it needs to fit in with the other values. By also #defining it
78  * we get warnings if the Kconfig value mismatches. */
79 #define CONFIG_SPL_STACK_R_ADDR		0x2fe00000
80 #define CONFIG_SPL_BSS_START_ADDR	0x2ff80000
81 #else
82 #define SDRAM_OFFSET(x) 0x4##x
83 #define CONFIG_SYS_SDRAM_BASE		0x40000000
84 #define CONFIG_SYS_LOAD_ADDR		0x42000000 /* default load address */
85 #define CONFIG_SYS_TEXT_BASE		0x4a000000
86 #define CONFIG_PRE_CON_BUF_ADDR		0x4f000000
87 /* Note SPL_STACK_R_ADDR is set through Kconfig, we include it here
88  * since it needs to fit in with the other values. By also #defining it
89  * we get warnings if the Kconfig value mismatches. */
90 #define CONFIG_SPL_STACK_R_ADDR		0x4fe00000
91 #define CONFIG_SPL_BSS_START_ADDR	0x4ff80000
92 #endif
93 
94 #define CONFIG_SPL_BSS_MAX_SIZE		0x00080000 /* 512 KiB */
95 
96 #ifdef CONFIG_MACH_SUN9I
97 /*
98  * The A80's A1 sram starts at 0x00010000 rather then at 0x00000000 and is
99  * slightly bigger. Note that it is possible to map the first 32 KiB of the
100  * A1 at 0x00000000 like with older SoCs by writing 0x16aa0001 to the
101  * undocumented 0x008000e0 SYS_CTRL register. Where the 16aa is a key and
102  * the 1 actually activates the mapping of the first 32 KiB to 0x00000000.
103  */
104 #define CONFIG_SYS_INIT_RAM_ADDR	0x10000
105 #define CONFIG_SYS_INIT_RAM_SIZE	0x0a000	/* 40 KiB */
106 #else
107 #define CONFIG_SYS_INIT_RAM_ADDR	0x0
108 #define CONFIG_SYS_INIT_RAM_SIZE	0x8000	/* 32 KiB */
109 #endif
110 
111 #define CONFIG_SYS_INIT_SP_OFFSET \
112 	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
113 #define CONFIG_SYS_INIT_SP_ADDR \
114 	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
115 
116 #define CONFIG_NR_DRAM_BANKS		1
117 #define PHYS_SDRAM_0			CONFIG_SYS_SDRAM_BASE
118 #define PHYS_SDRAM_0_SIZE		0x80000000 /* 2 GiB */
119 
120 #ifdef CONFIG_AHCI
121 #define CONFIG_LIBATA
122 #define CONFIG_SCSI_AHCI
123 #define CONFIG_SCSI_AHCI_PLAT
124 #define CONFIG_SUNXI_AHCI
125 #define CONFIG_SYS_64BIT_LBA
126 #define CONFIG_SYS_SCSI_MAX_SCSI_ID	1
127 #define CONFIG_SYS_SCSI_MAX_LUN		1
128 #define CONFIG_SYS_SCSI_MAX_DEVICE	(CONFIG_SYS_SCSI_MAX_SCSI_ID * \
129 					 CONFIG_SYS_SCSI_MAX_LUN)
130 #define CONFIG_CMD_SCSI
131 #endif
132 
133 #define CONFIG_SETUP_MEMORY_TAGS
134 #define CONFIG_CMDLINE_TAG
135 #define CONFIG_INITRD_TAG
136 #define CONFIG_SERIAL_TAG
137 
138 #ifdef CONFIG_NAND_SUNXI
139 #define CONFIG_SPL_NAND_SUPPORT 1
140 #endif
141 
142 /* mmc config */
143 #ifdef CONFIG_MMC
144 #define CONFIG_GENERIC_MMC
145 #define CONFIG_CMD_MMC
146 #define CONFIG_MMC_SUNXI
147 #define CONFIG_MMC_SUNXI_SLOT		0
148 #define CONFIG_ENV_IS_IN_MMC
149 #define CONFIG_SYS_MMC_ENV_DEV		0	/* first detected MMC controller */
150 #endif
151 
152 /* 64MB of malloc() pool */
153 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (64 << 20))
154 
155 /*
156  * Miscellaneous configurable options
157  */
158 #define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
159 #define CONFIG_SYS_PBSIZE	1024	/* Print Buffer Size */
160 #define CONFIG_SYS_MAXARGS	16	/* max number of command args */
161 
162 /* Boot Argument Buffer Size */
163 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
164 
165 /* standalone support */
166 #define CONFIG_STANDALONE_LOAD_ADDR	CONFIG_SYS_LOAD_ADDR
167 
168 /* baudrate */
169 #define CONFIG_BAUDRATE			115200
170 
171 /* The stack sizes are set up in start.S using the settings below */
172 #define CONFIG_STACKSIZE		(256 << 10)	/* 256 KiB */
173 
174 /* FLASH and environment organization */
175 
176 #define CONFIG_SYS_NO_FLASH
177 
178 #define CONFIG_SYS_MONITOR_LEN		(768 << 10)	/* 768 KiB */
179 #define CONFIG_IDENT_STRING		" Allwinner Technology"
180 
181 #define CONFIG_ENV_OFFSET		(544 << 10) /* (8 + 24 + 512) KiB */
182 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB */
183 
184 #define CONFIG_FAT_WRITE	/* enable write access */
185 
186 #define CONFIG_SPL_FRAMEWORK
187 #define CONFIG_SPL_LIBCOMMON_SUPPORT
188 #define CONFIG_SPL_SERIAL_SUPPORT
189 #define CONFIG_SPL_LIBGENERIC_SUPPORT
190 
191 #define CONFIG_SPL_BOARD_LOAD_IMAGE
192 
193 #define CONFIG_SPL_TEXT_BASE		0x20		/* sram start+header */
194 #define CONFIG_SPL_MAX_SIZE		0x5fe0		/* 24KB on sun4i/sun7i */
195 
196 #define CONFIG_SPL_LIBDISK_SUPPORT
197 
198 #ifdef CONFIG_MMC
199 #define CONFIG_SPL_MMC_SUPPORT
200 #endif
201 
202 #define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds"
203 
204 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	80	/* 40KiB */
205 #define CONFIG_SPL_PAD_TO		32768		/* decimal for 'dd' */
206 
207 /* end of 32 KiB in sram */
208 #define LOW_LEVEL_SRAM_STACK		0x00008000 /* End of sram */
209 #define CONFIG_SPL_STACK		LOW_LEVEL_SRAM_STACK
210 
211 /* I2C */
212 #if defined CONFIG_AXP152_POWER || defined CONFIG_AXP209_POWER
213 #define CONFIG_SPL_I2C_SUPPORT
214 #endif
215 
216 #if defined CONFIG_I2C0_ENABLE || defined CONFIG_I2C1_ENABLE || \
217     defined CONFIG_I2C2_ENABLE || defined CONFIG_I2C3_ENABLE || \
218     defined CONFIG_I2C4_ENABLE
219 #define CONFIG_SYS_I2C
220 #define CONFIG_SYS_I2C_MVTWSI
221 #define CONFIG_SYS_I2C_SPEED		400000
222 #define CONFIG_SYS_I2C_SLAVE		0x7f
223 #define CONFIG_CMD_I2C
224 #endif
225 
226 #if defined CONFIG_VIDEO_LCD_PANEL_I2C && !(defined CONFIG_SPL_BUILD)
227 #define CONFIG_SYS_I2C_SOFT
228 #define CONFIG_SYS_I2C_SOFT_SPEED	50000
229 #define CONFIG_SYS_I2C_SOFT_SLAVE	0x00
230 /* We use pin names in Kconfig and sunxi_name_to_gpio() */
231 #define CONFIG_SOFT_I2C_GPIO_SDA	soft_i2c_gpio_sda
232 #define CONFIG_SOFT_I2C_GPIO_SCL	soft_i2c_gpio_scl
233 #ifndef __ASSEMBLY__
234 extern int soft_i2c_gpio_sda;
235 extern int soft_i2c_gpio_scl;
236 #endif
237 #define CONFIG_VIDEO_LCD_I2C_BUS	0 /* The lcd panel soft i2c is bus 0 */
238 #define CONFIG_SYS_SPD_BUS_NUM		1 /* And the axp209 i2c bus is bus 1 */
239 #else
240 #define CONFIG_SYS_SPD_BUS_NUM		0 /* The axp209 i2c bus is bus 0 */
241 #define CONFIG_VIDEO_LCD_I2C_BUS	-1 /* NA, but necessary to compile */
242 #endif
243 
244 /* PMU */
245 #if defined CONFIG_AXP152_POWER || defined CONFIG_AXP209_POWER || defined CONFIG_AXP221_POWER
246 #define CONFIG_SPL_POWER_SUPPORT
247 #endif
248 
249 #ifndef CONFIG_CONS_INDEX
250 #define CONFIG_CONS_INDEX              1       /* UART0 */
251 #endif
252 
253 #ifdef CONFIG_REQUIRE_SERIAL_CONSOLE
254 #if CONFIG_CONS_INDEX == 1
255 #ifdef CONFIG_MACH_SUN9I
256 #define OF_STDOUT_PATH		"/soc/serial@07000000:115200"
257 #else
258 #define OF_STDOUT_PATH		"/soc@01c00000/serial@01c28000:115200"
259 #endif
260 #elif CONFIG_CONS_INDEX == 2 && defined(CONFIG_MACH_SUN5I)
261 #define OF_STDOUT_PATH		"/soc@01c00000/serial@01c28400:115200"
262 #elif CONFIG_CONS_INDEX == 3 && defined(CONFIG_MACH_SUN8I)
263 #define OF_STDOUT_PATH		"/soc@01c00000/serial@01c28800:115200"
264 #elif CONFIG_CONS_INDEX == 5 && defined(CONFIG_MACH_SUN8I)
265 #define OF_STDOUT_PATH		"/soc@01c00000/serial@01f02800:115200"
266 #else
267 #error Unsupported console port nr. Please fix stdout-path in sunxi-common.h.
268 #endif
269 #endif /* ifdef CONFIG_REQUIRE_SERIAL_CONSOLE */
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 (16 << 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 #define VIDEO_LINE_LEN (pGD->plnSizeX)
294 
295 /* allow both serial and cfb console. */
296 #define CONFIG_CONSOLE_MUX
297 /* stop x86 thinking in cfbconsole from trying to init a pc keyboard */
298 #define CONFIG_VGA_AS_SINGLE_DEVICE
299 
300 /* To be able to hook simplefb into dt */
301 #ifdef CONFIG_VIDEO_DT_SIMPLEFB
302 #define CONFIG_OF_BOARD_SETUP
303 #endif
304 
305 #endif /* CONFIG_VIDEO */
306 
307 /* Ethernet support */
308 #ifdef CONFIG_SUNXI_EMAC
309 #define CONFIG_PHY_ADDR		1
310 #define CONFIG_MII			/* MII PHY management		*/
311 #define CONFIG_PHYLIB
312 #endif
313 
314 #ifdef CONFIG_SUNXI_GMAC
315 #define CONFIG_DW_AUTONEG
316 #define CONFIG_PHY_GIGE			/* GMAC can use gigabit PHY	*/
317 #define CONFIG_PHY_ADDR		1
318 #define CONFIG_MII			/* MII PHY management		*/
319 #define CONFIG_PHYLIB
320 #endif
321 
322 #ifdef CONFIG_USB_EHCI_HCD
323 #define CONFIG_USB_OHCI_NEW
324 #define CONFIG_USB_OHCI_SUNXI
325 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1
326 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1
327 #endif
328 
329 #ifdef CONFIG_USB_MUSB_SUNXI
330 #define CONFIG_USB_MUSB_PIO_ONLY
331 #endif
332 
333 #ifdef CONFIG_USB_MUSB_GADGET
334 #define CONFIG_USB_GADGET
335 #define CONFIG_USB_GADGET_DUALSPEED
336 #define CONFIG_USB_GADGET_VBUS_DRAW	0
337 
338 #define CONFIG_USB_GADGET_DOWNLOAD
339 #define CONFIG_USB_FUNCTION_FASTBOOT
340 #define CONFIG_USB_FUNCTION_MASS_STORAGE
341 #endif
342 
343 #ifdef CONFIG_USB_GADGET_DOWNLOAD
344 #define CONFIG_G_DNL_VENDOR_NUM		0x1f3a
345 #define CONFIG_G_DNL_PRODUCT_NUM	0x1010
346 #define CONFIG_G_DNL_MANUFACTURER	"Allwinner Technology"
347 #endif
348 
349 #ifdef CONFIG_USB_FUNCTION_FASTBOOT
350 #define CONFIG_CMD_FASTBOOT
351 #define CONFIG_FASTBOOT_BUF_ADDR	CONFIG_SYS_LOAD_ADDR
352 #define CONFIG_FASTBOOT_BUF_SIZE	0x2000000
353 #define CONFIG_ANDROID_BOOT_IMAGE
354 
355 #define CONFIG_FASTBOOT_FLASH
356 
357 #ifdef CONFIG_MMC
358 #define CONFIG_FASTBOOT_FLASH_MMC_DEV	0
359 #define CONFIG_EFI_PARTITION
360 #endif
361 #endif
362 
363 #ifdef CONFIG_USB_FUNCTION_MASS_STORAGE
364 #define CONFIG_CMD_USB_MASS_STORAGE
365 #endif
366 
367 #ifdef CONFIG_USB_KEYBOARD
368 #define CONFIG_CONSOLE_MUX
369 #define CONFIG_PREBOOT
370 #define CONFIG_SYS_STDIO_DEREGISTER
371 #define CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE
372 #endif
373 
374 #if !defined CONFIG_ENV_IS_IN_MMC && \
375     !defined CONFIG_ENV_IS_IN_NAND && \
376     !defined CONFIG_ENV_IS_IN_FAT && \
377     !defined CONFIG_ENV_IS_IN_SPI_FLASH
378 #define CONFIG_ENV_IS_NOWHERE
379 #endif
380 
381 #define CONFIG_MISC_INIT_R
382 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
383 
384 #ifndef CONFIG_SPL_BUILD
385 #include <config_distro_defaults.h>
386 
387 /* Enable pre-console buffer to get complete log on the VGA console */
388 #define CONFIG_PRE_CONSOLE_BUFFER
389 #define CONFIG_PRE_CON_BUF_SZ		4096 /* Aprox 2 80*25 screens */
390 
391 /*
392  * 160M RAM (256M minimum minus 64MB heap + 32MB for u-boot, stack, fb, etc.
393  * 32M uncompressed kernel, 16M compressed kernel, 1M fdt,
394  * 1M script, 1M pxe and the ramdisk at the end.
395  */
396 #define MEM_LAYOUT_ENV_SETTINGS \
397 	"bootm_size=0xa000000\0" \
398 	"kernel_addr_r=" __stringify(SDRAM_OFFSET(2000000)) "\0" \
399 	"fdt_addr_r=" __stringify(SDRAM_OFFSET(3000000)) "\0" \
400 	"scriptaddr=" __stringify(SDRAM_OFFSET(3100000)) "\0" \
401 	"pxefile_addr_r=" __stringify(SDRAM_OFFSET(3200000)) "\0" \
402 	"ramdisk_addr_r=" __stringify(SDRAM_OFFSET(3300000)) "\0"
403 
404 #ifdef CONFIG_MMC
405 #define BOOT_TARGET_DEVICES_MMC(func) func(MMC, mmc, 0)
406 #else
407 #define BOOT_TARGET_DEVICES_MMC(func)
408 #endif
409 
410 #ifdef CONFIG_AHCI
411 #define BOOT_TARGET_DEVICES_SCSI(func) func(SCSI, scsi, 0)
412 #else
413 #define BOOT_TARGET_DEVICES_SCSI(func)
414 #endif
415 
416 #ifdef CONFIG_USB_STORAGE
417 #define BOOT_TARGET_DEVICES_USB(func) func(USB, usb, 0)
418 #else
419 #define BOOT_TARGET_DEVICES_USB(func)
420 #endif
421 
422 /* FEL boot support, auto-execute boot.scr if a script address was provided */
423 #define BOOTENV_DEV_FEL(devtypeu, devtypel, instance) \
424 	"bootcmd_fel=" \
425 		"if test -n ${fel_booted} && test -n ${fel_scriptaddr}; then " \
426 			"echo '(FEL boot)'; " \
427 			"source ${fel_scriptaddr}; " \
428 		"fi\0"
429 #define BOOTENV_DEV_NAME_FEL(devtypeu, devtypel, instance) \
430 	"fel "
431 
432 #define BOOT_TARGET_DEVICES(func) \
433 	func(FEL, fel, na) \
434 	BOOT_TARGET_DEVICES_MMC(func) \
435 	BOOT_TARGET_DEVICES_SCSI(func) \
436 	BOOT_TARGET_DEVICES_USB(func) \
437 	func(PXE, pxe, na) \
438 	func(DHCP, dhcp, na)
439 
440 #ifdef CONFIG_OLD_SUNXI_KERNEL_COMPAT
441 #define BOOTCMD_SUNXI_COMPAT \
442 	"bootcmd_sunxi_compat=" \
443 		"setenv root /dev/mmcblk0p3 rootwait; " \
444 		"if ext2load mmc 0 0x44000000 uEnv.txt; then " \
445 			"echo Loaded environment from uEnv.txt; " \
446 			"env import -t 0x44000000 ${filesize}; " \
447 		"fi; " \
448 		"setenv bootargs console=${console} root=${root} ${extraargs}; " \
449 		"ext2load mmc 0 0x43000000 script.bin && " \
450 		"ext2load mmc 0 0x48000000 uImage && " \
451 		"bootm 0x48000000\0"
452 #else
453 #define BOOTCMD_SUNXI_COMPAT
454 #endif
455 
456 #include <config_distro_bootcmd.h>
457 
458 #ifdef CONFIG_USB_KEYBOARD
459 #define CONSOLE_STDIN_SETTINGS \
460 	"preboot=usb start\0" \
461 	"stdin=serial,usbkbd\0"
462 #else
463 #define CONSOLE_STDIN_SETTINGS \
464 	"stdin=serial\0"
465 #endif
466 
467 #ifdef CONFIG_VIDEO
468 #define CONSOLE_STDOUT_SETTINGS \
469 	"stdout=serial,vga\0" \
470 	"stderr=serial,vga\0"
471 #else
472 #define CONSOLE_STDOUT_SETTINGS \
473 	"stdout=serial\0" \
474 	"stderr=serial\0"
475 #endif
476 
477 #define CONSOLE_ENV_SETTINGS \
478 	CONSOLE_STDIN_SETTINGS \
479 	CONSOLE_STDOUT_SETTINGS
480 
481 #define CONFIG_EXTRA_ENV_SETTINGS \
482 	CONSOLE_ENV_SETTINGS \
483 	MEM_LAYOUT_ENV_SETTINGS \
484 	"fdtfile=" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0" \
485 	"console=ttyS0,115200\0" \
486 	BOOTCMD_SUNXI_COMPAT \
487 	BOOTENV
488 
489 #else /* ifndef CONFIG_SPL_BUILD */
490 #define CONFIG_EXTRA_ENV_SETTINGS
491 #endif
492 
493 #endif /* _SUNXI_COMMON_CONFIG_H */
494