1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2012-2012 Henrik Nordstrom <henrik@henriknordstrom.net>
4  *
5  * (C) Copyright 2007-2011
6  * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
7  * Tom Cubie <tangliang@allwinnertech.com>
8  *
9  * Configuration settings for the Allwinner sunxi series of boards.
10  */
11 
12 #ifndef _SUNXI_COMMON_CONFIG_H
13 #define _SUNXI_COMMON_CONFIG_H
14 
15 #include <asm/arch/cpu.h>
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20  * The U-Boot workarounds bugs in the outdated buggy sunxi-3.4 kernels at the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27  * A compatibility guard to prevent loading outdated buggy sunxi-3.4 kernels.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 #ifdef CONFIG_ARM64
35 #define CONFIG_SYS_BOOTM_LEN		(32 << 20)
36 #endif
37 
38 /* Serial & console */
39 #define CONFIG_SYS_NS16550_SERIAL
40 /* ns16550 reg in the low bits of cpu reg */
41 #define CONFIG_SYS_NS16550_CLK		24000000
42 #ifndef CONFIG_DM_SERIAL
43 # define CONFIG_SYS_NS16550_REG_SIZE	-4
44 # define CONFIG_SYS_NS16550_COM1		SUNXI_UART0_BASE
45 # define CONFIG_SYS_NS16550_COM2		SUNXI_UART1_BASE
46 # define CONFIG_SYS_NS16550_COM3		SUNXI_UART2_BASE
47 # define CONFIG_SYS_NS16550_COM4		SUNXI_UART3_BASE
48 # define CONFIG_SYS_NS16550_COM5		SUNXI_R_UART_BASE
49 #endif
50 
51 /* CPU */
52 #define COUNTER_FREQUENCY		24000000
53 
54 /*
55  * The DRAM Base differs between some models. We cannot use macros for the
56  * CONFIG_FOO defines which contain the DRAM base address since they end
57  * up unexpanded in include/autoconf.mk .
58  *
59  * So we have to have this #ifdef #else #endif block for these.
60  */
61 #ifdef CONFIG_MACH_SUN9I
62 #define SDRAM_OFFSET(x) 0x2##x
63 #define CONFIG_SYS_SDRAM_BASE		0x20000000
64 #define CONFIG_SYS_LOAD_ADDR		0x22000000 /* default load address */
65 /* Note SPL_STACK_R_ADDR is set through Kconfig, we include it here
66  * since it needs to fit in with the other values. By also #defining it
67  * we get warnings if the Kconfig value mismatches. */
68 #define CONFIG_SPL_STACK_R_ADDR		0x2fe00000
69 #define CONFIG_SPL_BSS_START_ADDR	0x2ff80000
70 #else
71 #define SDRAM_OFFSET(x) 0x4##x
72 #define CONFIG_SYS_SDRAM_BASE		0x40000000
73 #define CONFIG_SYS_LOAD_ADDR		0x42000000 /* default load address */
74 /* V3s do not have enough memory to place code at 0x4a000000 */
75 /* Note SPL_STACK_R_ADDR is set through Kconfig, we include it here
76  * since it needs to fit in with the other values. By also #defining it
77  * we get warnings if the Kconfig value mismatches. */
78 #define CONFIG_SPL_STACK_R_ADDR		0x4fe00000
79 #define CONFIG_SPL_BSS_START_ADDR	0x4ff80000
80 #endif
81 
82 #define CONFIG_SPL_BSS_MAX_SIZE		0x00080000 /* 512 KiB */
83 
84 /*
85  * The A80's A1 sram starts at 0x00010000 rather then at 0x00000000 and is
86  * slightly bigger. Note that it is possible to map the first 32 KiB of the
87  * A1 at 0x00000000 like with older SoCs by writing 0x16aa0001 to the
88  * undocumented 0x008000e0 SYS_CTRL register. Where the 16aa is a key and
89  * the 1 actually activates the mapping of the first 32 KiB to 0x00000000.
90  * A64 and H5 also has SRAM A1 at 0x00010000, but no magic remap register
91  * is known yet.
92  * H6 has SRAM A1 at 0x00020000.
93  */
94 #define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SUNXI_SRAM_ADDRESS
95 /* FIXME: this may be larger on some SoCs */
96 #define CONFIG_SYS_INIT_RAM_SIZE	0x8000 /* 32 KiB */
97 
98 #define CONFIG_SYS_INIT_SP_OFFSET \
99 	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
100 #define CONFIG_SYS_INIT_SP_ADDR \
101 	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
102 
103 #define PHYS_SDRAM_0			CONFIG_SYS_SDRAM_BASE
104 #define PHYS_SDRAM_0_SIZE		0x80000000 /* 2 GiB */
105 
106 #ifdef CONFIG_AHCI
107 #define CONFIG_SYS_64BIT_LBA
108 #endif
109 
110 #define CONFIG_SETUP_MEMORY_TAGS
111 #define CONFIG_CMDLINE_TAG
112 #define CONFIG_INITRD_TAG
113 #define CONFIG_SERIAL_TAG
114 
115 #ifdef CONFIG_NAND_SUNXI
116 #define CONFIG_SYS_NAND_MAX_ECCPOS 1664
117 #define CONFIG_SYS_NAND_ONFI_DETECTION
118 #define CONFIG_SYS_MAX_NAND_DEVICE 8
119 #endif
120 
121 /* mmc config */
122 #ifdef CONFIG_MMC
123 #define CONFIG_MMC_SUNXI_SLOT		0
124 #endif
125 
126 #if defined(CONFIG_ENV_IS_IN_MMC)
127 
128 #ifdef CONFIG_ARM64
129 /*
130  * This is actually (CONFIG_ENV_OFFSET -
131  * (CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)), but the value will be used
132  * directly in a makefile, without the preprocessor expansion.
133  */
134 #define CONFIG_BOARD_SIZE_LIMIT		0x7e000
135 #endif
136 
137 #define CONFIG_SYS_MMC_MAX_DEVICE	4
138 #endif
139 
140 #ifndef CONFIG_MACH_SUN8I_V3S
141 /* 64MB of malloc() pool */
142 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (64 << 20))
143 #else
144 /* 2MB of malloc() pool */
145 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (2 << 20))
146 #endif
147 
148 /*
149  * Miscellaneous configurable options
150  */
151 #define CONFIG_SYS_CBSIZE	1024	/* Console I/O Buffer Size */
152 #define CONFIG_SYS_PBSIZE	1024	/* Print Buffer Size */
153 
154 /* standalone support */
155 #define CONFIG_STANDALONE_LOAD_ADDR	CONFIG_SYS_LOAD_ADDR
156 
157 /* FLASH and environment organization */
158 
159 #define CONFIG_SYS_MONITOR_LEN		(768 << 10)	/* 768 KiB */
160 
161 #define CONFIG_SPL_BOARD_LOAD_IMAGE
162 
163 /*
164  * We cannot use expressions here, because expressions won't be evaluated in
165  * autoconf.mk.
166  */
167 #if CONFIG_SUNXI_SRAM_ADDRESS == 0x10000
168 #define CONFIG_SPL_MAX_SIZE		0x7fa0		/* 32 KiB */
169 #ifdef CONFIG_ARM64
170 /* end of SRAM A2 for now, as SRAM A1 is pretty tight for an ARM64 build */
171 #define LOW_LEVEL_SRAM_STACK		0x00054000
172 #else
173 #define LOW_LEVEL_SRAM_STACK		0x00018000
174 #endif /* !CONFIG_ARM64 */
175 #elif CONFIG_SUNXI_SRAM_ADDRESS == 0x20000
176 #ifdef CONFIG_MACH_SUN50I_H616
177 #define CONFIG_SPL_MAX_SIZE		0xbfa0		/* 48 KiB */
178 #define LOW_LEVEL_SRAM_STACK		0x58000
179 #else
180 #define CONFIG_SPL_MAX_SIZE		0x7fa0		/* 32 KiB */
181 /* end of SRAM A2 on H6 for now */
182 #define LOW_LEVEL_SRAM_STACK		0x00118000
183 #endif
184 #else
185 #define CONFIG_SPL_MAX_SIZE		0x5fa0		/* 24KB on sun4i/sun7i */
186 #define LOW_LEVEL_SRAM_STACK		0x00008000	/* End of sram */
187 #endif
188 
189 #define CONFIG_SPL_STACK		LOW_LEVEL_SRAM_STACK
190 
191 #ifndef CONFIG_MACH_SUN50I_H616
192 #define CONFIG_SPL_PAD_TO		32768		/* decimal for 'dd' */
193 #endif
194 
195 
196 /* I2C */
197 #if defined CONFIG_I2C0_ENABLE || defined CONFIG_I2C1_ENABLE || \
198     defined CONFIG_I2C2_ENABLE || defined CONFIG_I2C3_ENABLE || \
199     defined CONFIG_I2C4_ENABLE || defined CONFIG_R_I2C_ENABLE
200 #define CONFIG_SYS_I2C_MVTWSI
201 #if !CONFIG_IS_ENABLED(DM_I2C)
202 #define CONFIG_SYS_I2C
203 #define CONFIG_SYS_I2C_SPEED		400000
204 #define CONFIG_SYS_I2C_SLAVE		0x7f
205 #endif
206 #endif
207 
208 #if defined CONFIG_VIDEO_LCD_PANEL_I2C && !(defined CONFIG_SPL_BUILD)
209 #define CONFIG_SYS_I2C_SOFT
210 #define CONFIG_SYS_I2C_SOFT_SPEED	50000
211 #define CONFIG_SYS_I2C_SOFT_SLAVE	0x00
212 /* We use pin names in Kconfig and sunxi_name_to_gpio() */
213 #define CONFIG_SOFT_I2C_GPIO_SDA	soft_i2c_gpio_sda
214 #define CONFIG_SOFT_I2C_GPIO_SCL	soft_i2c_gpio_scl
215 #ifndef __ASSEMBLY__
216 extern int soft_i2c_gpio_sda;
217 extern int soft_i2c_gpio_scl;
218 #endif
219 #define CONFIG_VIDEO_LCD_I2C_BUS	0 /* The lcd panel soft i2c is bus 0 */
220 #define CONFIG_SYS_SPD_BUS_NUM		1 /* And the axp209 i2c bus is bus 1 */
221 #else
222 #define CONFIG_SYS_SPD_BUS_NUM		0 /* The axp209 i2c bus is bus 0 */
223 #define CONFIG_VIDEO_LCD_I2C_BUS	-1 /* NA, but necessary to compile */
224 #endif
225 
226 #ifdef CONFIG_VIDEO_SUNXI
227 /*
228  * The amount of RAM to keep free at the top of RAM when relocating u-boot,
229  * to use as framebuffer. This must be a multiple of 4096.
230  */
231 #define CONFIG_SUNXI_MAX_FB_SIZE (16 << 20)
232 
233 #define CONFIG_VIDEO_LOGO
234 #define CONFIG_VIDEO_STD_TIMINGS
235 #define CONFIG_I2C_EDID
236 #define VIDEO_LINE_LEN (pGD->plnSizeX)
237 
238 /* allow both serial and cfb console. */
239 /* stop x86 thinking in cfbconsole from trying to init a pc keyboard */
240 
241 #endif /* CONFIG_VIDEO_SUNXI */
242 
243 /* Ethernet support */
244 
245 #ifdef CONFIG_USB_EHCI_HCD
246 #define CONFIG_USB_OHCI_NEW
247 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1
248 #endif
249 
250 #ifndef CONFIG_SPL_BUILD
251 
252 #ifdef CONFIG_ARM64
253 /*
254  * Boards seem to come with at least 512MB of DRAM.
255  * The kernel should go at 512K, which is the default text offset (that will
256  * be adjusted at runtime if needed).
257  * There is no compression for arm64 kernels (yet), so leave some space
258  * for really big kernels, say 256MB for now.
259  * Scripts, PXE and DTBs should go afterwards, leaving the rest for the initrd.
260  * Align the initrd to a 2MB page.
261  */
262 #define BOOTM_SIZE	__stringify(0xa000000)
263 #define KERNEL_ADDR_R	__stringify(SDRAM_OFFSET(0080000))
264 #define FDT_ADDR_R	__stringify(SDRAM_OFFSET(FA00000))
265 #define SCRIPT_ADDR_R	__stringify(SDRAM_OFFSET(FC00000))
266 #define PXEFILE_ADDR_R	__stringify(SDRAM_OFFSET(FD00000))
267 #define RAMDISK_ADDR_R	__stringify(SDRAM_OFFSET(FE00000))
268 
269 #else
270 /*
271  * 160M RAM (256M minimum minus 64MB heap + 32MB for u-boot, stack, fb, etc.
272  * 32M uncompressed kernel, 16M compressed kernel, 1M fdt,
273  * 1M script, 1M pxe and the ramdisk at the end.
274  */
275 #ifndef CONFIG_MACH_SUN8I_V3S
276 #define BOOTM_SIZE     __stringify(0xa000000)
277 #define KERNEL_ADDR_R  __stringify(SDRAM_OFFSET(2000000))
278 #define FDT_ADDR_R     __stringify(SDRAM_OFFSET(3000000))
279 #define SCRIPT_ADDR_R  __stringify(SDRAM_OFFSET(3100000))
280 #define PXEFILE_ADDR_R __stringify(SDRAM_OFFSET(3200000))
281 #define RAMDISK_ADDR_R __stringify(SDRAM_OFFSET(3300000))
282 #else
283 /*
284  * 64M RAM minus 2MB heap + 16MB for u-boot, stack, fb, etc.
285  * 16M uncompressed kernel, 8M compressed kernel, 1M fdt,
286  * 1M script, 1M pxe and the ramdisk at the end.
287  */
288 #define BOOTM_SIZE     __stringify(0x2e00000)
289 #define KERNEL_ADDR_R  __stringify(SDRAM_OFFSET(1000000))
290 #define FDT_ADDR_R     __stringify(SDRAM_OFFSET(1800000))
291 #define SCRIPT_ADDR_R  __stringify(SDRAM_OFFSET(1900000))
292 #define PXEFILE_ADDR_R __stringify(SDRAM_OFFSET(1A00000))
293 #define RAMDISK_ADDR_R __stringify(SDRAM_OFFSET(1B00000))
294 #endif
295 #endif
296 
297 #define MEM_LAYOUT_ENV_SETTINGS \
298 	"bootm_size=" BOOTM_SIZE "\0" \
299 	"kernel_addr_r=" KERNEL_ADDR_R "\0" \
300 	"fdt_addr_r=" FDT_ADDR_R "\0" \
301 	"scriptaddr=" SCRIPT_ADDR_R "\0" \
302 	"pxefile_addr_r=" PXEFILE_ADDR_R "\0" \
303 	"ramdisk_addr_r=" RAMDISK_ADDR_R "\0"
304 
305 #define DFU_ALT_INFO_RAM \
306 	"dfu_alt_info_ram=" \
307 	"kernel ram " KERNEL_ADDR_R " 0x1000000;" \
308 	"fdt ram " FDT_ADDR_R " 0x100000;" \
309 	"ramdisk ram " RAMDISK_ADDR_R " 0x4000000\0"
310 
311 #ifdef CONFIG_MMC
312 #if CONFIG_MMC_SUNXI_SLOT_EXTRA != -1
313 #define BOOTENV_DEV_MMC_AUTO(devtypeu, devtypel, instance)		\
314 	BOOTENV_DEV_MMC(MMC, mmc, 0)					\
315 	BOOTENV_DEV_MMC(MMC, mmc, 1)					\
316 	"bootcmd_mmc_auto="						\
317 		"if test ${mmc_bootdev} -eq 1; then "			\
318 			"run bootcmd_mmc1; "				\
319 			"run bootcmd_mmc0; "				\
320 		"elif test ${mmc_bootdev} -eq 0; then "			\
321 			"run bootcmd_mmc0; "				\
322 			"run bootcmd_mmc1; "				\
323 		"fi\0"
324 
325 #define BOOTENV_DEV_NAME_MMC_AUTO(devtypeu, devtypel, instance) \
326 	"mmc_auto "
327 
328 #define BOOT_TARGET_DEVICES_MMC(func) func(MMC_AUTO, mmc_auto, na)
329 #else
330 #define BOOT_TARGET_DEVICES_MMC(func) func(MMC, mmc, 0)
331 #endif
332 #else
333 #define BOOT_TARGET_DEVICES_MMC(func)
334 #endif
335 
336 #ifdef CONFIG_AHCI
337 #define BOOT_TARGET_DEVICES_SCSI(func) func(SCSI, scsi, 0)
338 #else
339 #define BOOT_TARGET_DEVICES_SCSI(func)
340 #endif
341 
342 #ifdef CONFIG_USB_STORAGE
343 #define BOOT_TARGET_DEVICES_USB(func) func(USB, usb, 0)
344 #else
345 #define BOOT_TARGET_DEVICES_USB(func)
346 #endif
347 
348 #ifdef CONFIG_CMD_PXE
349 #define BOOT_TARGET_DEVICES_PXE(func) func(PXE, pxe, na)
350 #else
351 #define BOOT_TARGET_DEVICES_PXE(func)
352 #endif
353 
354 #ifdef CONFIG_CMD_DHCP
355 #define BOOT_TARGET_DEVICES_DHCP(func) func(DHCP, dhcp, na)
356 #else
357 #define BOOT_TARGET_DEVICES_DHCP(func)
358 #endif
359 
360 /* FEL boot support, auto-execute boot.scr if a script address was provided */
361 #define BOOTENV_DEV_FEL(devtypeu, devtypel, instance) \
362 	"bootcmd_fel=" \
363 		"if test -n ${fel_booted} && test -n ${fel_scriptaddr}; then " \
364 			"echo '(FEL boot)'; " \
365 			"source ${fel_scriptaddr}; " \
366 		"fi\0"
367 #define BOOTENV_DEV_NAME_FEL(devtypeu, devtypel, instance) \
368 	"fel "
369 
370 #define BOOT_TARGET_DEVICES(func) \
371 	func(FEL, fel, na) \
372 	BOOT_TARGET_DEVICES_MMC(func) \
373 	BOOT_TARGET_DEVICES_SCSI(func) \
374 	BOOT_TARGET_DEVICES_USB(func) \
375 	BOOT_TARGET_DEVICES_PXE(func) \
376 	BOOT_TARGET_DEVICES_DHCP(func)
377 
378 #ifdef CONFIG_OLD_SUNXI_KERNEL_COMPAT
379 #define BOOTCMD_SUNXI_COMPAT \
380 	"bootcmd_sunxi_compat=" \
381 		"setenv root /dev/mmcblk0p3 rootwait; " \
382 		"if ext2load mmc 0 0x44000000 uEnv.txt; then " \
383 			"echo Loaded environment from uEnv.txt; " \
384 			"env import -t 0x44000000 ${filesize}; " \
385 		"fi; " \
386 		"setenv bootargs console=${console} root=${root} ${extraargs}; " \
387 		"ext2load mmc 0 0x43000000 script.bin && " \
388 		"ext2load mmc 0 0x48000000 uImage && " \
389 		"bootm 0x48000000\0"
390 #else
391 #define BOOTCMD_SUNXI_COMPAT
392 #endif
393 
394 #include <config_distro_bootcmd.h>
395 
396 #ifdef CONFIG_USB_KEYBOARD
397 #define CONSOLE_STDIN_SETTINGS \
398 	"stdin=serial,usbkbd\0"
399 #else
400 #define CONSOLE_STDIN_SETTINGS \
401 	"stdin=serial\0"
402 #endif
403 
404 #ifdef CONFIG_VIDEO
405 #define CONSOLE_STDOUT_SETTINGS \
406 	"stdout=serial,vga\0" \
407 	"stderr=serial,vga\0"
408 #elif CONFIG_DM_VIDEO
409 #define CONSOLE_STDOUT_SETTINGS \
410 	"stdout=serial,vidconsole\0" \
411 	"stderr=serial,vidconsole\0"
412 #else
413 #define CONSOLE_STDOUT_SETTINGS \
414 	"stdout=serial\0" \
415 	"stderr=serial\0"
416 #endif
417 
418 #ifdef CONFIG_MTDIDS_DEFAULT
419 #define SUNXI_MTDIDS_DEFAULT \
420 	"mtdids=" CONFIG_MTDIDS_DEFAULT "\0"
421 #else
422 #define SUNXI_MTDIDS_DEFAULT
423 #endif
424 
425 #ifdef CONFIG_MTDPARTS_DEFAULT
426 #define SUNXI_MTDPARTS_DEFAULT \
427 	"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0"
428 #else
429 #define SUNXI_MTDPARTS_DEFAULT
430 #endif
431 
432 #define PARTS_DEFAULT \
433 	"name=loader1,start=8k,size=32k,uuid=${uuid_gpt_loader1};" \
434 	"name=loader2,size=984k,uuid=${uuid_gpt_loader2};" \
435 	"name=esp,size=128M,bootable,uuid=${uuid_gpt_esp};" \
436 	"name=system,size=-,uuid=${uuid_gpt_system};"
437 
438 #define UUID_GPT_ESP "c12a7328-f81f-11d2-ba4b-00a0c93ec93b"
439 
440 #ifdef CONFIG_ARM64
441 #define UUID_GPT_SYSTEM "b921b045-1df0-41c3-af44-4c6f280d3fae"
442 #else
443 #define UUID_GPT_SYSTEM "69dad710-2ce4-4e3c-b16c-21a1d49abed3"
444 #endif
445 
446 #define CONSOLE_ENV_SETTINGS \
447 	CONSOLE_STDIN_SETTINGS \
448 	CONSOLE_STDOUT_SETTINGS
449 
450 #ifdef CONFIG_ARM64
451 #define FDTFILE "allwinner/" CONFIG_DEFAULT_DEVICE_TREE ".dtb"
452 #else
453 #define FDTFILE CONFIG_DEFAULT_DEVICE_TREE ".dtb"
454 #endif
455 
456 #define CONFIG_EXTRA_ENV_SETTINGS \
457 	CONSOLE_ENV_SETTINGS \
458 	MEM_LAYOUT_ENV_SETTINGS \
459 	DFU_ALT_INFO_RAM \
460 	"fdtfile=" FDTFILE "\0" \
461 	"console=ttyS0,115200\0" \
462 	SUNXI_MTDIDS_DEFAULT \
463 	SUNXI_MTDPARTS_DEFAULT \
464 	"uuid_gpt_esp=" UUID_GPT_ESP "\0" \
465 	"uuid_gpt_system=" UUID_GPT_SYSTEM "\0" \
466 	"partitions=" PARTS_DEFAULT "\0" \
467 	BOOTCMD_SUNXI_COMPAT \
468 	BOOTENV
469 
470 #else /* ifndef CONFIG_SPL_BUILD */
471 #define CONFIG_EXTRA_ENV_SETTINGS
472 #endif
473 
474 #endif /* _SUNXI_COMMON_CONFIG_H */
475