1 /*
2  * Copyright (C) 2011
3  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
4  *
5  * Copyright (C) 2009 TechNexion Ltd.
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #ifndef __TAM3517_H
11 #define __TAM3517_H
12 
13 /*
14  * High Level Configuration Options
15  */
16 
17 #define CONFIG_SYS_TEXT_BASE 0x80008000
18 
19 #include <asm/arch/cpu.h>		/* get chip and board defs */
20 #include <asm/arch/omap.h>
21 
22 /* Clock Defines */
23 #define V_OSCK			26000000	/* Clock output from T2 */
24 #define V_SCLK			(V_OSCK >> 1)
25 
26 #define CONFIG_MISC_INIT_R
27 
28 #define CONFIG_CMDLINE_TAG			/* enable passing of ATAGs */
29 #define CONFIG_SETUP_MEMORY_TAGS
30 #define CONFIG_INITRD_TAG
31 #define CONFIG_REVISION_TAG
32 
33 /*
34  * Size of malloc() pool
35  */
36 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB sector */
37 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10) + \
38 					2 * 1024 * 1024)
39 /*
40  * DDR related
41  */
42 #define CONFIG_SYS_CS0_SIZE		(256 * 1024 * 1024)
43 
44 /*
45  * Hardware drivers
46  */
47 
48 /*
49  * NS16550 Configuration
50  */
51 #define CONFIG_SYS_NS16550_SERIAL
52 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
53 #define CONFIG_SYS_NS16550_CLK		48000000	/* 48MHz (APLL96/2) */
54 
55 /*
56  * select serial console configuration
57  */
58 #define CONFIG_CONS_INDEX		1
59 #define CONFIG_SYS_NS16550_COM1		OMAP34XX_UART1
60 #define CONFIG_SERIAL1			/* UART1 */
61 
62 /* allow to overwrite serial and ethaddr */
63 #define CONFIG_ENV_OVERWRITE
64 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
65 					115200}
66 /* EHCI */
67 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	25
68 
69 #define CONFIG_SYS_I2C
70 #define CONFIG_SYS_OMAP24_I2C_SPEED	400000
71 #define CONFIG_SYS_OMAP24_I2C_SLAVE	1
72 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50		/* base address */
73 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1		/* bytes of address */
74 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW	0x07
75 
76 /*
77  * Board NAND Info.
78  */
79 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
80 							/* to access */
81 							/* nand at CS0 */
82 
83 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of */
84 							/* NAND devices */
85 
86 #define CONFIG_AUTO_COMPLETE
87 
88 /*
89  * Miscellaneous configurable options
90  */
91 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
92 #define CONFIG_CMDLINE_EDITING
93 #define CONFIG_AUTO_COMPLETE
94 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
95 
96 #define CONFIG_SYS_MAXARGS		32	/* max number of command */
97 						/* args */
98 /* memtest works on */
99 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
100 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
101 					0x01F00000) /* 31MB */
102 
103 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
104 								/* address */
105 
106 /*
107  * AM3517 has 12 GP timers, they can be driven by the system clock
108  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
109  * This rate is divided by a local divisor.
110  */
111 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
112 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
113 
114 /*
115  * Physical Memory Map
116  */
117 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
118 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
119 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
120 
121 /*
122  * FLASH and environment organization
123  */
124 
125 /* **** PISMO SUPPORT *** */
126 
127 /* Redundant Environment */
128 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
129 #define CONFIG_ENV_OFFSET		0x180000
130 #define CONFIG_ENV_ADDR			0x180000
131 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + \
132 						2 * CONFIG_SYS_ENV_SECT_SIZE)
133 #define CONFIG_ENV_SIZE_REDUND		CONFIG_ENV_SIZE
134 
135 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
136 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
137 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
138 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
139 					 CONFIG_SYS_INIT_RAM_SIZE - \
140 					 GENERATED_GBL_DATA_SIZE)
141 
142 /*
143  * ethernet support, EMAC
144  *
145  */
146 #define CONFIG_DRIVER_TI_EMAC
147 #define CONFIG_DRIVER_TI_EMAC_USE_RMII
148 #define CONFIG_MII
149 #define CONFIG_BOOTP_DNS
150 #define CONFIG_BOOTP_DNS2
151 #define CONFIG_BOOTP_SEND_HOSTNAME
152 #define CONFIG_NET_RETRY_COUNT 10
153 
154 /* Defines for SPL */
155 #define CONFIG_SPL_FRAMEWORK
156 #define CONFIG_SPL_CONSOLE
157 #define CONFIG_SPL_NAND_SOFTECC
158 #define CONFIG_SPL_NAND_WORKSPACE	0x8f07f000 /* below BSS */
159 
160 #define CONFIG_SPL_NAND_BASE
161 #define CONFIG_SPL_NAND_DRIVERS
162 #define CONFIG_SPL_NAND_ECC
163 
164 #define CONFIG_SPL_TEXT_BASE		0x40200000 /*CONFIG_SYS_SRAM_START*/
165 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
166 					 CONFIG_SPL_TEXT_BASE)
167 #define CONFIG_SPL_STACK		LOW_LEVEL_SRAM_STACK
168 
169 #define CONFIG_SYS_SPL_MALLOC_START	0x8f000000
170 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
171 #define CONFIG_SPL_BSS_START_ADDR	0x8f080000 /* end of RAM */
172 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000
173 
174 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
175 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
176 
177 /* FAT */
178 #define CONFIG_SPL_FS_LOAD_KERNEL_NAME		"uImage"
179 #define CONFIG_SPL_FS_LOAD_ARGS_NAME		"args"
180 
181 /* RAW SD card / eMMC */
182 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR	0x900	/* address 0x120000 */
183 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR	0x80	/* address 0x10000 */
184 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS	0x80	/* 64KiB */
185 
186 /* NAND boot config */
187 #define CONFIG_SYS_NAND_PAGE_COUNT	64
188 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
189 #define CONFIG_SYS_NAND_OOBSIZE		64
190 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
191 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
192 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	0
193 #define CONFIG_SYS_NAND_ECCPOS		{40, 41, 42, 43, 44, 45, 46, 47,\
194 					 48, 49, 50, 51, 52, 53, 54, 55,\
195 					 56, 57, 58, 59, 60, 61, 62, 63}
196 #define CONFIG_SYS_NAND_ECCSIZE		256
197 #define CONFIG_SYS_NAND_ECCBYTES	3
198 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_SW
199 
200 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
201 
202 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
203 #define CONFIG_SYS_NAND_U_BOOT_SIZE	0x80000
204 
205 #define CONFIG_MTD_PARTITIONS
206 #define CONFIG_MTD_DEVICE
207 
208 /* Setup MTD for NAND on the SOM */
209 
210 #define	CONFIG_TAM3517_SETTINGS						\
211 	"netdev=eth0\0"							\
212 	"nandargs=setenv bootargs root=${nandroot} "			\
213 		"rootfstype=${nandrootfstype}\0"			\
214 	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
215 		"nfsroot=${serverip}:${rootpath}\0"			\
216 	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
217 	"addip_sta=setenv bootargs ${bootargs} "			\
218 		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
219 		":${hostname}:${netdev}:off panic=1\0"			\
220 	"addip_dyn=setenv bootargs ${bootargs} ip=dhcp\0"		\
221 	"addip=if test -n ${ipdyn};then run addip_dyn;"			\
222 		"else run addip_sta;fi\0"				\
223 	"addmtd=setenv bootargs ${bootargs} ${mtdparts}\0"		\
224 	"addtty=setenv bootargs ${bootargs}"				\
225 		" console=ttyO0,${baudrate}\0"				\
226 	"addmisc=setenv bootargs ${bootargs} ${misc}\0"			\
227 	"loadaddr=82000000\0"						\
228 	"kernel_addr_r=82000000\0"					\
229 	"hostname=" __stringify(CONFIG_HOSTNAME) "\0"			\
230 	"bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0"		\
231 	"flash_self=run ramargs addip addtty addmtd addmisc;"		\
232 		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
233 	"flash_nfs=run nfsargs addip addtty addmtd addmisc;"		\
234 		"bootm ${kernel_addr}\0"				\
235 	"nandboot=run nandargs addip addtty addmtd addmisc;"		\
236 		"nand read ${kernel_addr_r} kernel\0"			\
237 		"bootm ${kernel_addr_r}\0"				\
238 	"net_nfs=tftp ${kernel_addr_r} ${bootfile}; "			\
239 		"run nfsargs addip addtty addmtd addmisc;"		\
240 		"bootm ${kernel_addr_r}\0"				\
241 	"net_self=if run net_self_load;then "				\
242 		"run ramargs addip addtty addmtd addmisc;"		\
243 		"bootm ${kernel_addr_r} ${ramdisk_addr_r};"		\
244 		"else echo Images not loades;fi\0"			\
245 	"u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.img\0"		\
246 	"load=tftp ${loadaddr} ${u-boot}\0"				\
247 	"loadmlo=tftp ${loadaddr} ${mlo}\0"				\
248 	"mlo=" __stringify(CONFIG_HOSTNAME) "/MLO\0"			\
249 	"uboot_addr=0x80000\0"						\
250 	"update=nandecc sw;nand erase ${uboot_addr} 100000;"		\
251 		"nand write ${loadaddr} ${uboot_addr} 80000\0"		\
252 	"updatemlo=nandecc hw;nand erase 0 20000;"			\
253 		"nand write ${loadaddr} 0 20000\0"			\
254 	"upd=if run load;then echo Updating u-boot;if run update;"	\
255 		"then echo U-Boot updated;"				\
256 			"else echo Error updating u-boot !;"		\
257 			"echo Board without bootloader !!;"		\
258 		"fi;"							\
259 		"else echo U-Boot not downloaded..exiting;fi\0"		\
260 
261 /*
262  * this is common code for all TAM3517 boards.
263  * MAC address is stored from manufacturer in
264  * I2C EEPROM
265  */
266 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
267 /*
268  * The I2C EEPROM on the TAM3517 contains
269  * mac address and production data
270  */
271 struct tam3517_module_info {
272 	char customer[48];
273 	char product[48];
274 
275 	/*
276 	 * bit 0~47  : sequence number
277 	 * bit 48~55 : week of year, from 0.
278 	 * bit 56~63 : year
279 	 */
280 	unsigned long long sequence_number;
281 
282 	/*
283 	 * bit 0~7   : revision fixed
284 	 * bit 8~15  : revision major
285 	 * bit 16~31 : TNxxx
286 	 */
287 	unsigned int revision;
288 	unsigned char eth_addr[4][8];
289 	unsigned char _rev[100];
290 };
291 
292 #define TAM3517_READ_EEPROM(info, ret) \
293 do {								\
294 	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); \
295 	if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,		\
296 		(void *)info, sizeof(*info)))			\
297 		ret = 1;					\
298 	else							\
299 		ret = 0;					\
300 } while (0)
301 
302 #define TAM3517_READ_MAC_FROM_EEPROM(info)			\
303 do {								\
304 	char buf[80], ethname[20];				\
305 	int i;							\
306 	memset(buf, 0, sizeof(buf));				\
307 	for (i = 0 ; i < ARRAY_SIZE((info)->eth_addr); i++) {	\
308 		sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X",	\
309 			(info)->eth_addr[i][5],			\
310 			(info)->eth_addr[i][4],			\
311 			(info)->eth_addr[i][3],			\
312 			(info)->eth_addr[i][2],			\
313 			(info)->eth_addr[i][1],			\
314 			(info)->eth_addr[i][0]);			\
315 								\
316 		if (i)						\
317 			sprintf(ethname, "eth%daddr", i);	\
318 		else						\
319 			strcpy(ethname, "ethaddr");		\
320 		printf("Setting %s from EEPROM with %s\n", ethname, buf);\
321 		env_set(ethname, buf);				\
322 	}							\
323 } while (0)
324 
325 /* The following macros are taken from Technexion's documentation */
326 #define TAM3517_sequence_number(info) \
327 	((info)->sequence_number % 0x1000000000000LL)
328 #define TAM3517_week_of_year(info) (((info)->sequence_number >> 48) % 0x100)
329 #define TAM3517_year(info) ((info)->sequence_number >> 56)
330 #define TAM3517_revision_fixed(info) ((info)->revision % 0x100)
331 #define TAM3517_revision_major(info) (((info)->revision >> 8) % 0x100)
332 #define TAM3517_revision_tn(info) ((info)->revision >> 16)
333 
334 #define TAM3517_PRINT_SOM_INFO(info)				\
335 do {								\
336 	printf("Vendor:%s\n", (info)->customer);		\
337 	printf("SOM:   %s\n", (info)->product);			\
338 	printf("SeqNr: %02llu%02llu%012llu\n",			\
339 		TAM3517_year(info),				\
340 		TAM3517_week_of_year(info),			\
341 		TAM3517_sequence_number(info));			\
342 	printf("Rev:   TN%u %u.%u\n",				\
343 		TAM3517_revision_tn(info),			\
344 		TAM3517_revision_major(info),			\
345 		TAM3517_revision_fixed(info));			\
346 } while (0)
347 
348 #endif
349 
350 #endif /* __TAM3517_H */
351