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