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1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2011
4  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
5  *
6  * Copyright (C) 2009 TechNexion Ltd.
7  */
8 
9 #ifndef __TAM3517_H
10 #define __TAM3517_H
11 
12 /*
13  * High Level Configuration Options
14  */
15 
16 #include <asm/arch/cpu.h>		/* get chip and board defs */
17 #include <asm/arch/omap.h>
18 
19 /* Clock Defines */
20 #define V_OSCK			26000000	/* Clock output from T2 */
21 #define V_SCLK			(V_OSCK >> 1)
22 
23 #define CONFIG_MISC_INIT_R
24 
25 #define CONFIG_CMDLINE_TAG			/* enable passing of ATAGs */
26 #define CONFIG_SETUP_MEMORY_TAGS
27 #define CONFIG_INITRD_TAG
28 #define CONFIG_REVISION_TAG
29 
30 /*
31  * Size of malloc() pool
32  */
33 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB sector */
34 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10) + \
35 					2 * 1024 * 1024)
36 /*
37  * DDR related
38  */
39 #define CONFIG_SYS_CS0_SIZE		(256 * 1024 * 1024)
40 
41 /*
42  * Hardware drivers
43  */
44 
45 /*
46  * NS16550 Configuration
47  */
48 #define CONFIG_SYS_NS16550_SERIAL
49 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
50 #define CONFIG_SYS_NS16550_CLK		48000000	/* 48MHz (APLL96/2) */
51 
52 /*
53  * select serial console configuration
54  */
55 #define CONFIG_SYS_NS16550_COM1		OMAP34XX_UART1
56 #define CONFIG_SERIAL1			/* UART1 */
57 
58 /* allow to overwrite serial and ethaddr */
59 #define CONFIG_ENV_OVERWRITE
60 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
61 					115200}
62 /* EHCI */
63 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	25
64 
65 #define CONFIG_SYS_I2C
66 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50		/* base address */
67 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1		/* bytes of address */
68 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW	0x07
69 
70 /*
71  * Board NAND Info.
72  */
73 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
74 							/* to access */
75 							/* nand at CS0 */
76 
77 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of */
78 							/* NAND devices */
79 
80 /*
81  * Miscellaneous configurable options
82  */
83 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
84 
85 #define CONFIG_SYS_MAXARGS		32	/* max number of command */
86 						/* args */
87 /* memtest works on */
88 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
89 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
90 					0x01F00000) /* 31MB */
91 
92 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
93 								/* address */
94 
95 /*
96  * AM3517 has 12 GP timers, they can be driven by the system clock
97  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
98  * This rate is divided by a local divisor.
99  */
100 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
101 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
102 
103 /*
104  * Physical Memory Map
105  */
106 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
107 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
108 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
109 
110 /*
111  * FLASH and environment organization
112  */
113 
114 /* **** PISMO SUPPORT *** */
115 
116 /* Redundant Environment */
117 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
118 #define CONFIG_ENV_OFFSET		0x180000
119 #define CONFIG_ENV_ADDR			0x180000
120 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + \
121 						2 * CONFIG_SYS_ENV_SECT_SIZE)
122 #define CONFIG_ENV_SIZE_REDUND		CONFIG_ENV_SIZE
123 
124 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
125 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
126 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
127 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
128 					 CONFIG_SYS_INIT_RAM_SIZE - \
129 					 GENERATED_GBL_DATA_SIZE)
130 
131 /*
132  * ethernet support, EMAC
133  *
134  */
135 #define CONFIG_DRIVER_TI_EMAC
136 #define CONFIG_DRIVER_TI_EMAC_USE_RMII
137 #define CONFIG_MII
138 #define CONFIG_BOOTP_DNS2
139 #define CONFIG_BOOTP_SEND_HOSTNAME
140 #define CONFIG_NET_RETRY_COUNT 10
141 
142 /* Defines for SPL */
143 #define CONFIG_SPL_CONSOLE
144 #define CONFIG_SPL_NAND_SOFTECC
145 #define CONFIG_SPL_NAND_WORKSPACE	0x8f07f000 /* below BSS */
146 
147 #define CONFIG_SPL_NAND_BASE
148 #define CONFIG_SPL_NAND_DRIVERS
149 #define CONFIG_SPL_NAND_ECC
150 
151 #define CONFIG_SPL_TEXT_BASE		0x40200000 /*CONFIG_SYS_SRAM_START*/
152 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
153 					 CONFIG_SPL_TEXT_BASE)
154 #define CONFIG_SPL_STACK		LOW_LEVEL_SRAM_STACK
155 
156 #define CONFIG_SYS_SPL_MALLOC_START	0x8f000000
157 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
158 #define CONFIG_SPL_BSS_START_ADDR	0x8f080000 /* end of RAM */
159 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
160 
161 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
162 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
163 
164 /* FAT */
165 #define CONFIG_SPL_FS_LOAD_KERNEL_NAME		"uImage"
166 #define CONFIG_SPL_FS_LOAD_ARGS_NAME		"args"
167 
168 /* RAW SD card / eMMC */
169 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR	0x900	/* address 0x120000 */
170 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR	0x80	/* address 0x10000 */
171 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS	0x80	/* 64KiB */
172 
173 /* NAND boot config */
174 #define CONFIG_SYS_NAND_PAGE_COUNT	64
175 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
176 #define CONFIG_SYS_NAND_OOBSIZE		64
177 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
178 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
179 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0
180 #define CONFIG_SYS_NAND_ECCPOS		{40, 41, 42, 43, 44, 45, 46, 47,\
181 					 48, 49, 50, 51, 52, 53, 54, 55,\
182 					 56, 57, 58, 59, 60, 61, 62, 63}
183 #define CONFIG_SYS_NAND_ECCSIZE		256
184 #define CONFIG_SYS_NAND_ECCBYTES	3
185 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_SW
186 
187 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
188 
189 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
190 #define CONFIG_SYS_NAND_U_BOOT_SIZE	0x80000
191 
192 #define CONFIG_MTD_PARTITIONS
193 #define CONFIG_MTD_DEVICE
194 
195 /* Setup MTD for NAND on the SOM */
196 
197 #define	CONFIG_TAM3517_SETTINGS						\
198 	"netdev=eth0\0"							\
199 	"nandargs=setenv bootargs root=${nandroot} "			\
200 		"rootfstype=${nandrootfstype}\0"			\
201 	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
202 		"nfsroot=${serverip}:${rootpath}\0"			\
203 	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
204 	"addip_sta=setenv bootargs ${bootargs} "			\
205 		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
206 		":${hostname}:${netdev}:off panic=1\0"			\
207 	"addip_dyn=setenv bootargs ${bootargs} ip=dhcp\0"		\
208 	"addip=if test -n ${ipdyn};then run addip_dyn;"			\
209 		"else run addip_sta;fi\0"				\
210 	"addmtd=setenv bootargs ${bootargs} ${mtdparts}\0"		\
211 	"addtty=setenv bootargs ${bootargs}"				\
212 		" console=ttyO0,${baudrate}\0"				\
213 	"addmisc=setenv bootargs ${bootargs} ${misc}\0"			\
214 	"loadaddr=82000000\0"						\
215 	"kernel_addr_r=82000000\0"					\
216 	"hostname=" CONFIG_HOSTNAME "\0"			\
217 	"bootfile=" CONFIG_HOSTNAME "/uImage\0"		\
218 	"flash_self=run ramargs addip addtty addmtd addmisc;"		\
219 		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
220 	"flash_nfs=run nfsargs addip addtty addmtd addmisc;"		\
221 		"bootm ${kernel_addr}\0"				\
222 	"nandboot=run nandargs addip addtty addmtd addmisc;"		\
223 		"nand read ${kernel_addr_r} kernel\0"			\
224 		"bootm ${kernel_addr_r}\0"				\
225 	"net_nfs=tftp ${kernel_addr_r} ${bootfile}; "			\
226 		"run nfsargs addip addtty addmtd addmisc;"		\
227 		"bootm ${kernel_addr_r}\0"				\
228 	"net_self=if run net_self_load;then "				\
229 		"run ramargs addip addtty addmtd addmisc;"		\
230 		"bootm ${kernel_addr_r} ${ramdisk_addr_r};"		\
231 		"else echo Images not loades;fi\0"			\
232 	"u-boot=" CONFIG_HOSTNAME "/u-boot.img\0"		\
233 	"load=tftp ${loadaddr} ${u-boot}\0"				\
234 	"loadmlo=tftp ${loadaddr} ${mlo}\0"				\
235 	"mlo=" CONFIG_HOSTNAME "/MLO\0"			\
236 	"uboot_addr=0x80000\0"						\
237 	"update=nandecc sw;nand erase ${uboot_addr} 100000;"		\
238 		"nand write ${loadaddr} ${uboot_addr} 80000\0"		\
239 	"updatemlo=nandecc hw;nand erase 0 20000;"			\
240 		"nand write ${loadaddr} 0 20000\0"			\
241 	"upd=if run load;then echo Updating u-boot;if run update;"	\
242 		"then echo U-Boot updated;"				\
243 			"else echo Error updating u-boot !;"		\
244 			"echo Board without bootloader !!;"		\
245 		"fi;"							\
246 		"else echo U-Boot not downloaded..exiting;fi\0"		\
247 
248 /*
249  * this is common code for all TAM3517 boards.
250  * MAC address is stored from manufacturer in
251  * I2C EEPROM
252  */
253 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
254 /*
255  * The I2C EEPROM on the TAM3517 contains
256  * mac address and production data
257  */
258 struct tam3517_module_info {
259 	char customer[48];
260 	char product[48];
261 
262 	/*
263 	 * bit 0~47  : sequence number
264 	 * bit 48~55 : week of year, from 0.
265 	 * bit 56~63 : year
266 	 */
267 	unsigned long long sequence_number;
268 
269 	/*
270 	 * bit 0~7   : revision fixed
271 	 * bit 8~15  : revision major
272 	 * bit 16~31 : TNxxx
273 	 */
274 	unsigned int revision;
275 	unsigned char eth_addr[4][8];
276 	unsigned char _rev[100];
277 };
278 
279 #define TAM3517_READ_EEPROM(info, ret) \
280 do {								\
281 	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); \
282 	if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,		\
283 		(void *)info, sizeof(*info)))			\
284 		ret = 1;					\
285 	else							\
286 		ret = 0;					\
287 } while (0)
288 
289 #define TAM3517_READ_MAC_FROM_EEPROM(info)			\
290 do {								\
291 	char buf[80], ethname[20];				\
292 	int i;							\
293 	memset(buf, 0, sizeof(buf));				\
294 	for (i = 0 ; i < ARRAY_SIZE((info)->eth_addr); i++) {	\
295 		sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X",	\
296 			(info)->eth_addr[i][5],			\
297 			(info)->eth_addr[i][4],			\
298 			(info)->eth_addr[i][3],			\
299 			(info)->eth_addr[i][2],			\
300 			(info)->eth_addr[i][1],			\
301 			(info)->eth_addr[i][0]);			\
302 								\
303 		if (i)						\
304 			sprintf(ethname, "eth%daddr", i);	\
305 		else						\
306 			strcpy(ethname, "ethaddr");		\
307 		printf("Setting %s from EEPROM with %s\n", ethname, buf);\
308 		env_set(ethname, buf);				\
309 	}							\
310 } while (0)
311 
312 /* The following macros are taken from Technexion's documentation */
313 #define TAM3517_sequence_number(info) \
314 	((info)->sequence_number % 0x1000000000000LL)
315 #define TAM3517_week_of_year(info) (((info)->sequence_number >> 48) % 0x100)
316 #define TAM3517_year(info) ((info)->sequence_number >> 56)
317 #define TAM3517_revision_fixed(info) ((info)->revision % 0x100)
318 #define TAM3517_revision_major(info) (((info)->revision >> 8) % 0x100)
319 #define TAM3517_revision_tn(info) ((info)->revision >> 16)
320 
321 #define TAM3517_PRINT_SOM_INFO(info)				\
322 do {								\
323 	printf("Vendor:%s\n", (info)->customer);		\
324 	printf("SOM:   %s\n", (info)->product);			\
325 	printf("SeqNr: %02llu%02llu%012llu\n",			\
326 		TAM3517_year(info),				\
327 		TAM3517_week_of_year(info),			\
328 		TAM3517_sequence_number(info));			\
329 	printf("Rev:   TN%u %u.%u\n",				\
330 		TAM3517_revision_tn(info),			\
331 		TAM3517_revision_major(info),			\
332 		TAM3517_revision_fixed(info));			\
333 } while (0)
334 
335 #endif
336 
337 #endif /* __TAM3517_H */
338