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e363426e PK |
1 | /* |
2 | * board.c | |
3 | * | |
4 | * Board functions for TI AM335X based boards | |
5 | * | |
6 | * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | */ | |
18 | ||
19 | #include <common.h> | |
20 | #include <errno.h> | |
21 | #include <spl.h> | |
22 | #include <asm/arch/cpu.h> | |
23 | #include <asm/arch/hardware.h> | |
24 | #include <asm/arch/omap.h> | |
25 | #include <asm/arch/ddr_defs.h> | |
26 | #include <asm/arch/clock.h> | |
27 | #include <asm/arch/gpio.h> | |
28 | #include <asm/arch/mmc_host_def.h> | |
29 | #include <asm/arch/sys_proto.h> | |
30 | #include <asm/io.h> | |
31 | #include <asm/emif.h> | |
32 | #include <asm/gpio.h> | |
33 | #include <i2c.h> | |
34 | #include <miiphy.h> | |
35 | #include <cpsw.h> | |
36 | #include "board.h" | |
37 | ||
38 | DECLARE_GLOBAL_DATA_PTR; | |
39 | ||
40 | static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE; | |
41 | #ifdef CONFIG_SPL_BUILD | |
42 | static struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE; | |
43 | #endif | |
44 | ||
45 | /* MII mode defines */ | |
46 | #define MII_MODE_ENABLE 0x0 | |
cfd4ff6f | 47 | #define RGMII_MODE_ENABLE 0x3A |
e363426e PK |
48 | |
49 | /* GPIO that controls power to DDR on EVM-SK */ | |
50 | #define GPIO_DDR_VTT_EN 7 | |
51 | ||
52 | static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; | |
53 | ||
54 | static struct am335x_baseboard_id __attribute__((section (".data"))) header; | |
55 | ||
56 | static inline int board_is_bone(void) | |
57 | { | |
58 | return !strncmp(header.name, "A335BONE", HDR_NAME_LEN); | |
59 | } | |
60 | ||
61 | static inline int board_is_bone_lt(void) | |
62 | { | |
63 | return !strncmp(header.name, "A335BNLT", HDR_NAME_LEN); | |
64 | } | |
65 | ||
66 | static inline int board_is_evm_sk(void) | |
67 | { | |
68 | return !strncmp("A335X_SK", header.name, HDR_NAME_LEN); | |
69 | } | |
70 | ||
a956bdcb MF |
71 | static inline int board_is_idk(void) |
72 | { | |
73 | return !strncmp(header.config, "SKU#02", 6); | |
74 | } | |
75 | ||
98bc1228 | 76 | static int __maybe_unused board_is_gp_evm(void) |
1634e969 TR |
77 | { |
78 | return !strncmp("A33515BB", header.name, 8); | |
79 | } | |
80 | ||
13526f71 JL |
81 | int board_is_evm_15_or_later(void) |
82 | { | |
83 | return (!strncmp("A33515BB", header.name, 8) && | |
84 | strncmp("1.5", header.version, 3) <= 0); | |
85 | } | |
86 | ||
e363426e PK |
87 | /* |
88 | * Read header information from EEPROM into global structure. | |
89 | */ | |
90 | static int read_eeprom(void) | |
91 | { | |
92 | /* Check if baseboard eeprom is available */ | |
93 | if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) { | |
94 | puts("Could not probe the EEPROM; something fundamentally " | |
95 | "wrong on the I2C bus.\n"); | |
96 | return -ENODEV; | |
97 | } | |
98 | ||
99 | /* read the eeprom using i2c */ | |
100 | if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 2, (uchar *)&header, | |
101 | sizeof(header))) { | |
102 | puts("Could not read the EEPROM; something fundamentally" | |
103 | " wrong on the I2C bus.\n"); | |
104 | return -EIO; | |
105 | } | |
106 | ||
107 | if (header.magic != 0xEE3355AA) { | |
108 | /* | |
109 | * read the eeprom using i2c again, | |
110 | * but use only a 1 byte address | |
111 | */ | |
112 | if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 1, | |
113 | (uchar *)&header, sizeof(header))) { | |
114 | puts("Could not read the EEPROM; something " | |
115 | "fundamentally wrong on the I2C bus.\n"); | |
116 | return -EIO; | |
117 | } | |
118 | ||
119 | if (header.magic != 0xEE3355AA) { | |
120 | printf("Incorrect magic number (0x%x) in EEPROM\n", | |
121 | header.magic); | |
122 | return -EINVAL; | |
123 | } | |
124 | } | |
125 | ||
126 | return 0; | |
127 | } | |
128 | ||
129 | /* UART Defines */ | |
130 | #ifdef CONFIG_SPL_BUILD | |
131 | #define UART_RESET (0x1 << 1) | |
132 | #define UART_CLK_RUNNING_MASK 0x1 | |
133 | #define UART_SMART_IDLE_EN (0x1 << 0x3) | |
134 | ||
135 | static void rtc32k_enable(void) | |
136 | { | |
81df2bab | 137 | struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE; |
e363426e PK |
138 | |
139 | /* | |
140 | * Unlock the RTC's registers. For more details please see the | |
141 | * RTC_SS section of the TRM. In order to unlock we need to | |
142 | * write these specific values (keys) in this order. | |
143 | */ | |
144 | writel(0x83e70b13, &rtc->kick0r); | |
145 | writel(0x95a4f1e0, &rtc->kick1r); | |
146 | ||
147 | /* Enable the RTC 32K OSC by setting bits 3 and 6. */ | |
148 | writel((1 << 3) | (1 << 6), &rtc->osc); | |
149 | } | |
e363426e | 150 | |
c00f69db | 151 | static const struct ddr_data ddr2_data = { |
c7d35bef PK |
152 | .datardsratio0 = ((MT47H128M16RT25E_RD_DQS<<30) | |
153 | (MT47H128M16RT25E_RD_DQS<<20) | | |
154 | (MT47H128M16RT25E_RD_DQS<<10) | | |
155 | (MT47H128M16RT25E_RD_DQS<<0)), | |
156 | .datawdsratio0 = ((MT47H128M16RT25E_WR_DQS<<30) | | |
157 | (MT47H128M16RT25E_WR_DQS<<20) | | |
158 | (MT47H128M16RT25E_WR_DQS<<10) | | |
159 | (MT47H128M16RT25E_WR_DQS<<0)), | |
160 | .datawiratio0 = ((MT47H128M16RT25E_PHY_WRLVL<<30) | | |
161 | (MT47H128M16RT25E_PHY_WRLVL<<20) | | |
162 | (MT47H128M16RT25E_PHY_WRLVL<<10) | | |
163 | (MT47H128M16RT25E_PHY_WRLVL<<0)), | |
164 | .datagiratio0 = ((MT47H128M16RT25E_PHY_GATELVL<<30) | | |
165 | (MT47H128M16RT25E_PHY_GATELVL<<20) | | |
166 | (MT47H128M16RT25E_PHY_GATELVL<<10) | | |
167 | (MT47H128M16RT25E_PHY_GATELVL<<0)), | |
168 | .datafwsratio0 = ((MT47H128M16RT25E_PHY_FIFO_WE<<30) | | |
169 | (MT47H128M16RT25E_PHY_FIFO_WE<<20) | | |
170 | (MT47H128M16RT25E_PHY_FIFO_WE<<10) | | |
171 | (MT47H128M16RT25E_PHY_FIFO_WE<<0)), | |
172 | .datawrsratio0 = ((MT47H128M16RT25E_PHY_WR_DATA<<30) | | |
173 | (MT47H128M16RT25E_PHY_WR_DATA<<20) | | |
174 | (MT47H128M16RT25E_PHY_WR_DATA<<10) | | |
175 | (MT47H128M16RT25E_PHY_WR_DATA<<0)), | |
176 | .datauserank0delay = MT47H128M16RT25E_PHY_RANK0_DELAY, | |
c00f69db PK |
177 | .datadldiff0 = PHY_DLL_LOCK_DIFF, |
178 | }; | |
e363426e | 179 | |
c00f69db | 180 | static const struct cmd_control ddr2_cmd_ctrl_data = { |
c7d35bef PK |
181 | .cmd0csratio = MT47H128M16RT25E_RATIO, |
182 | .cmd0dldiff = MT47H128M16RT25E_DLL_LOCK_DIFF, | |
183 | .cmd0iclkout = MT47H128M16RT25E_INVERT_CLKOUT, | |
c00f69db | 184 | |
c7d35bef PK |
185 | .cmd1csratio = MT47H128M16RT25E_RATIO, |
186 | .cmd1dldiff = MT47H128M16RT25E_DLL_LOCK_DIFF, | |
187 | .cmd1iclkout = MT47H128M16RT25E_INVERT_CLKOUT, | |
c00f69db | 188 | |
c7d35bef PK |
189 | .cmd2csratio = MT47H128M16RT25E_RATIO, |
190 | .cmd2dldiff = MT47H128M16RT25E_DLL_LOCK_DIFF, | |
191 | .cmd2iclkout = MT47H128M16RT25E_INVERT_CLKOUT, | |
c00f69db PK |
192 | }; |
193 | ||
194 | static const struct emif_regs ddr2_emif_reg_data = { | |
c7d35bef PK |
195 | .sdram_config = MT47H128M16RT25E_EMIF_SDCFG, |
196 | .ref_ctrl = MT47H128M16RT25E_EMIF_SDREF, | |
197 | .sdram_tim1 = MT47H128M16RT25E_EMIF_TIM1, | |
198 | .sdram_tim2 = MT47H128M16RT25E_EMIF_TIM2, | |
199 | .sdram_tim3 = MT47H128M16RT25E_EMIF_TIM3, | |
200 | .emif_ddr_phy_ctlr_1 = MT47H128M16RT25E_EMIF_READ_LATENCY, | |
c00f69db PK |
201 | }; |
202 | ||
203 | static const struct ddr_data ddr3_data = { | |
c7d35bef PK |
204 | .datardsratio0 = MT41J128MJT125_RD_DQS, |
205 | .datawdsratio0 = MT41J128MJT125_WR_DQS, | |
206 | .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE, | |
207 | .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA, | |
c00f69db PK |
208 | .datadldiff0 = PHY_DLL_LOCK_DIFF, |
209 | }; | |
210 | ||
c7ba18ad TR |
211 | static const struct ddr_data ddr3_beagleblack_data = { |
212 | .datardsratio0 = MT41K256M16HA125E_RD_DQS, | |
213 | .datawdsratio0 = MT41K256M16HA125E_WR_DQS, | |
214 | .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE, | |
215 | .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA, | |
216 | .datadldiff0 = PHY_DLL_LOCK_DIFF, | |
217 | }; | |
218 | ||
13526f71 JL |
219 | static const struct ddr_data ddr3_evm_data = { |
220 | .datardsratio0 = MT41J512M8RH125_RD_DQS, | |
221 | .datawdsratio0 = MT41J512M8RH125_WR_DQS, | |
222 | .datafwsratio0 = MT41J512M8RH125_PHY_FIFO_WE, | |
223 | .datawrsratio0 = MT41J512M8RH125_PHY_WR_DATA, | |
224 | .datadldiff0 = PHY_DLL_LOCK_DIFF, | |
225 | }; | |
226 | ||
c00f69db | 227 | static const struct cmd_control ddr3_cmd_ctrl_data = { |
c7d35bef PK |
228 | .cmd0csratio = MT41J128MJT125_RATIO, |
229 | .cmd0dldiff = MT41J128MJT125_DLL_LOCK_DIFF, | |
230 | .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT, | |
c00f69db | 231 | |
c7d35bef PK |
232 | .cmd1csratio = MT41J128MJT125_RATIO, |
233 | .cmd1dldiff = MT41J128MJT125_DLL_LOCK_DIFF, | |
234 | .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT, | |
c00f69db | 235 | |
c7d35bef PK |
236 | .cmd2csratio = MT41J128MJT125_RATIO, |
237 | .cmd2dldiff = MT41J128MJT125_DLL_LOCK_DIFF, | |
238 | .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT, | |
c00f69db PK |
239 | }; |
240 | ||
c7ba18ad TR |
241 | static const struct cmd_control ddr3_beagleblack_cmd_ctrl_data = { |
242 | .cmd0csratio = MT41K256M16HA125E_RATIO, | |
243 | .cmd0dldiff = MT41K256M16HA125E_DLL_LOCK_DIFF, | |
244 | .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT, | |
245 | ||
246 | .cmd1csratio = MT41K256M16HA125E_RATIO, | |
247 | .cmd1dldiff = MT41K256M16HA125E_DLL_LOCK_DIFF, | |
248 | .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT, | |
249 | ||
250 | .cmd2csratio = MT41K256M16HA125E_RATIO, | |
251 | .cmd2dldiff = MT41K256M16HA125E_DLL_LOCK_DIFF, | |
252 | .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT, | |
253 | }; | |
254 | ||
13526f71 JL |
255 | static const struct cmd_control ddr3_evm_cmd_ctrl_data = { |
256 | .cmd0csratio = MT41J512M8RH125_RATIO, | |
257 | .cmd0dldiff = MT41J512M8RH125_DLL_LOCK_DIFF, | |
258 | .cmd0iclkout = MT41J512M8RH125_INVERT_CLKOUT, | |
259 | ||
260 | .cmd1csratio = MT41J512M8RH125_RATIO, | |
261 | .cmd1dldiff = MT41J512M8RH125_DLL_LOCK_DIFF, | |
262 | .cmd1iclkout = MT41J512M8RH125_INVERT_CLKOUT, | |
263 | ||
264 | .cmd2csratio = MT41J512M8RH125_RATIO, | |
265 | .cmd2dldiff = MT41J512M8RH125_DLL_LOCK_DIFF, | |
266 | .cmd2iclkout = MT41J512M8RH125_INVERT_CLKOUT, | |
267 | }; | |
268 | ||
c00f69db | 269 | static struct emif_regs ddr3_emif_reg_data = { |
c7d35bef PK |
270 | .sdram_config = MT41J128MJT125_EMIF_SDCFG, |
271 | .ref_ctrl = MT41J128MJT125_EMIF_SDREF, | |
272 | .sdram_tim1 = MT41J128MJT125_EMIF_TIM1, | |
273 | .sdram_tim2 = MT41J128MJT125_EMIF_TIM2, | |
274 | .sdram_tim3 = MT41J128MJT125_EMIF_TIM3, | |
275 | .zq_config = MT41J128MJT125_ZQ_CFG, | |
59dcf970 VH |
276 | .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY | |
277 | PHY_EN_DYN_PWRDN, | |
c00f69db | 278 | }; |
13526f71 | 279 | |
c7ba18ad TR |
280 | static struct emif_regs ddr3_beagleblack_emif_reg_data = { |
281 | .sdram_config = MT41K256M16HA125E_EMIF_SDCFG, | |
282 | .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF, | |
283 | .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1, | |
284 | .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2, | |
285 | .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3, | |
286 | .zq_config = MT41K256M16HA125E_ZQ_CFG, | |
287 | .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY, | |
288 | }; | |
289 | ||
13526f71 JL |
290 | static struct emif_regs ddr3_evm_emif_reg_data = { |
291 | .sdram_config = MT41J512M8RH125_EMIF_SDCFG, | |
292 | .ref_ctrl = MT41J512M8RH125_EMIF_SDREF, | |
293 | .sdram_tim1 = MT41J512M8RH125_EMIF_TIM1, | |
294 | .sdram_tim2 = MT41J512M8RH125_EMIF_TIM2, | |
295 | .sdram_tim3 = MT41J512M8RH125_EMIF_TIM3, | |
296 | .zq_config = MT41J512M8RH125_ZQ_CFG, | |
59dcf970 VH |
297 | .emif_ddr_phy_ctlr_1 = MT41J512M8RH125_EMIF_READ_LATENCY | |
298 | PHY_EN_DYN_PWRDN, | |
13526f71 | 299 | }; |
c00f69db | 300 | #endif |
e363426e PK |
301 | |
302 | /* | |
303 | * early system init of muxing and clocks. | |
304 | */ | |
305 | void s_init(void) | |
306 | { | |
4596dcc1 TR |
307 | /* |
308 | * Save the boot parameters passed from romcode. | |
309 | * We cannot delay the saving further than this, | |
310 | * to prevent overwrites. | |
311 | */ | |
312 | #ifdef CONFIG_SPL_BUILD | |
313 | save_omap_boot_params(); | |
314 | #endif | |
315 | ||
e363426e PK |
316 | /* WDT1 is already running when the bootloader gets control |
317 | * Disable it to avoid "random" resets | |
318 | */ | |
319 | writel(0xAAAA, &wdtimer->wdtwspr); | |
320 | while (readl(&wdtimer->wdtwwps) != 0x0) | |
321 | ; | |
322 | writel(0x5555, &wdtimer->wdtwspr); | |
323 | while (readl(&wdtimer->wdtwwps) != 0x0) | |
324 | ; | |
325 | ||
326 | #ifdef CONFIG_SPL_BUILD | |
327 | /* Setup the PLLs and the clocks for the peripherals */ | |
328 | pll_init(); | |
329 | ||
330 | /* Enable RTC32K clock */ | |
331 | rtc32k_enable(); | |
332 | ||
333 | /* UART softreset */ | |
334 | u32 regVal; | |
335 | ||
6422b70b | 336 | #ifdef CONFIG_SERIAL1 |
e363426e | 337 | enable_uart0_pin_mux(); |
6422b70b AB |
338 | #endif /* CONFIG_SERIAL1 */ |
339 | #ifdef CONFIG_SERIAL2 | |
340 | enable_uart1_pin_mux(); | |
341 | #endif /* CONFIG_SERIAL2 */ | |
342 | #ifdef CONFIG_SERIAL3 | |
343 | enable_uart2_pin_mux(); | |
344 | #endif /* CONFIG_SERIAL3 */ | |
345 | #ifdef CONFIG_SERIAL4 | |
346 | enable_uart3_pin_mux(); | |
347 | #endif /* CONFIG_SERIAL4 */ | |
348 | #ifdef CONFIG_SERIAL5 | |
349 | enable_uart4_pin_mux(); | |
350 | #endif /* CONFIG_SERIAL5 */ | |
351 | #ifdef CONFIG_SERIAL6 | |
352 | enable_uart5_pin_mux(); | |
353 | #endif /* CONFIG_SERIAL6 */ | |
e363426e PK |
354 | |
355 | regVal = readl(&uart_base->uartsyscfg); | |
356 | regVal |= UART_RESET; | |
357 | writel(regVal, &uart_base->uartsyscfg); | |
358 | while ((readl(&uart_base->uartsyssts) & | |
359 | UART_CLK_RUNNING_MASK) != UART_CLK_RUNNING_MASK) | |
360 | ; | |
361 | ||
362 | /* Disable smart idle */ | |
363 | regVal = readl(&uart_base->uartsyscfg); | |
364 | regVal |= UART_SMART_IDLE_EN; | |
365 | writel(regVal, &uart_base->uartsyscfg); | |
366 | ||
367 | gd = &gdata; | |
368 | ||
369 | preloader_console_init(); | |
370 | ||
371 | /* Initalize the board header */ | |
372 | enable_i2c0_pin_mux(); | |
373 | i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); | |
374 | if (read_eeprom() < 0) | |
375 | puts("Could not get board ID.\n"); | |
376 | ||
377 | enable_board_pin_mux(&header); | |
378 | if (board_is_evm_sk()) { | |
379 | /* | |
380 | * EVM SK 1.2A and later use gpio0_7 to enable DDR3. | |
381 | * This is safe enough to do on older revs. | |
382 | */ | |
383 | gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en"); | |
384 | gpio_direction_output(GPIO_DDR_VTT_EN, 1); | |
385 | } | |
386 | ||
c7ba18ad | 387 | if (board_is_evm_sk()) |
c7d35bef | 388 | config_ddr(303, MT41J128MJT125_IOCTRL_VALUE, &ddr3_data, |
3ba65f97 | 389 | &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0); |
c7ba18ad | 390 | else if (board_is_bone_lt()) |
b996a3e9 | 391 | config_ddr(400, MT41K256M16HA125E_IOCTRL_VALUE, |
c7ba18ad TR |
392 | &ddr3_beagleblack_data, |
393 | &ddr3_beagleblack_cmd_ctrl_data, | |
394 | &ddr3_beagleblack_emif_reg_data, 0); | |
13526f71 JL |
395 | else if (board_is_evm_15_or_later()) |
396 | config_ddr(303, MT41J512M8RH125_IOCTRL_VALUE, &ddr3_evm_data, | |
3ba65f97 | 397 | &ddr3_evm_cmd_ctrl_data, &ddr3_evm_emif_reg_data, 0); |
c00f69db | 398 | else |
c7d35bef | 399 | config_ddr(266, MT47H128M16RT25E_IOCTRL_VALUE, &ddr2_data, |
3ba65f97 | 400 | &ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0); |
e363426e PK |
401 | #endif |
402 | } | |
403 | ||
404 | /* | |
405 | * Basic board specific setup. Pinmux has been handled already. | |
406 | */ | |
407 | int board_init(void) | |
408 | { | |
409 | i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); | |
410 | if (read_eeprom() < 0) | |
411 | puts("Could not get board ID.\n"); | |
412 | ||
413 | gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100; | |
414 | ||
98b5c269 IY |
415 | gpmc_init(); |
416 | ||
e363426e PK |
417 | return 0; |
418 | } | |
419 | ||
044fc14b TR |
420 | #ifdef CONFIG_BOARD_LATE_INIT |
421 | int board_late_init(void) | |
422 | { | |
423 | #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG | |
424 | char safe_string[HDR_NAME_LEN + 1]; | |
425 | ||
426 | /* Now set variables based on the header. */ | |
427 | strncpy(safe_string, (char *)header.name, sizeof(header.name)); | |
428 | safe_string[sizeof(header.name)] = 0; | |
429 | setenv("board_name", safe_string); | |
430 | ||
431 | strncpy(safe_string, (char *)header.version, sizeof(header.version)); | |
432 | safe_string[sizeof(header.version)] = 0; | |
433 | setenv("board_rev", safe_string); | |
434 | #endif | |
435 | ||
436 | return 0; | |
437 | } | |
438 | #endif | |
439 | ||
c0e66793 IY |
440 | #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \ |
441 | (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD)) | |
e363426e PK |
442 | static void cpsw_control(int enabled) |
443 | { | |
444 | /* VTP can be added here */ | |
445 | ||
446 | return; | |
447 | } | |
448 | ||
449 | static struct cpsw_slave_data cpsw_slaves[] = { | |
450 | { | |
451 | .slave_reg_ofs = 0x208, | |
452 | .sliver_reg_ofs = 0xd80, | |
453 | .phy_id = 0, | |
454 | }, | |
455 | { | |
456 | .slave_reg_ofs = 0x308, | |
457 | .sliver_reg_ofs = 0xdc0, | |
458 | .phy_id = 1, | |
459 | }, | |
460 | }; | |
461 | ||
462 | static struct cpsw_platform_data cpsw_data = { | |
81df2bab MP |
463 | .mdio_base = CPSW_MDIO_BASE, |
464 | .cpsw_base = CPSW_BASE, | |
e363426e PK |
465 | .mdio_div = 0xff, |
466 | .channels = 8, | |
467 | .cpdma_reg_ofs = 0x800, | |
468 | .slaves = 1, | |
469 | .slave_data = cpsw_slaves, | |
470 | .ale_reg_ofs = 0xd00, | |
471 | .ale_entries = 1024, | |
472 | .host_port_reg_ofs = 0x108, | |
473 | .hw_stats_reg_ofs = 0x900, | |
474 | .mac_control = (1 << 5), | |
475 | .control = cpsw_control, | |
476 | .host_port_num = 0, | |
477 | .version = CPSW_CTRL_VERSION_2, | |
478 | }; | |
d2aa1154 | 479 | #endif |
e363426e | 480 | |
d2aa1154 IY |
481 | #if defined(CONFIG_DRIVER_TI_CPSW) || \ |
482 | (defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) | |
e363426e PK |
483 | int board_eth_init(bd_t *bis) |
484 | { | |
d2aa1154 | 485 | int rv, n = 0; |
e363426e PK |
486 | uint8_t mac_addr[6]; |
487 | uint32_t mac_hi, mac_lo; | |
488 | ||
c0e66793 IY |
489 | /* try reading mac address from efuse */ |
490 | mac_lo = readl(&cdev->macid0l); | |
491 | mac_hi = readl(&cdev->macid0h); | |
492 | mac_addr[0] = mac_hi & 0xFF; | |
493 | mac_addr[1] = (mac_hi & 0xFF00) >> 8; | |
494 | mac_addr[2] = (mac_hi & 0xFF0000) >> 16; | |
495 | mac_addr[3] = (mac_hi & 0xFF000000) >> 24; | |
496 | mac_addr[4] = mac_lo & 0xFF; | |
497 | mac_addr[5] = (mac_lo & 0xFF00) >> 8; | |
498 | ||
499 | #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \ | |
500 | (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD)) | |
501 | if (!getenv("ethaddr")) { | |
502 | printf("<ethaddr> not set. Validating first E-fuse MAC\n"); | |
e363426e PK |
503 | |
504 | if (is_valid_ether_addr(mac_addr)) | |
505 | eth_setenv_enetaddr("ethaddr", mac_addr); | |
e363426e PK |
506 | } |
507 | ||
a956bdcb | 508 | if (board_is_bone() || board_is_bone_lt() || board_is_idk()) { |
e363426e PK |
509 | writel(MII_MODE_ENABLE, &cdev->miisel); |
510 | cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if = | |
511 | PHY_INTERFACE_MODE_MII; | |
512 | } else { | |
513 | writel(RGMII_MODE_ENABLE, &cdev->miisel); | |
514 | cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if = | |
515 | PHY_INTERFACE_MODE_RGMII; | |
516 | } | |
517 | ||
d2aa1154 IY |
518 | rv = cpsw_register(&cpsw_data); |
519 | if (rv < 0) | |
520 | printf("Error %d registering CPSW switch\n", rv); | |
521 | else | |
522 | n += rv; | |
1634e969 TR |
523 | |
524 | /* | |
525 | * | |
526 | * CPSW RGMII Internal Delay Mode is not supported in all PVT | |
527 | * operating points. So we must set the TX clock delay feature | |
528 | * in the AR8051 PHY. Since we only support a single ethernet | |
529 | * device in U-Boot, we only do this for the first instance. | |
530 | */ | |
531 | #define AR8051_PHY_DEBUG_ADDR_REG 0x1d | |
532 | #define AR8051_PHY_DEBUG_DATA_REG 0x1e | |
533 | #define AR8051_DEBUG_RGMII_CLK_DLY_REG 0x5 | |
534 | #define AR8051_RGMII_TX_CLK_DLY 0x100 | |
535 | ||
536 | if (board_is_evm_sk() || board_is_gp_evm()) { | |
537 | const char *devname; | |
538 | devname = miiphy_get_current_dev(); | |
539 | ||
540 | miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_ADDR_REG, | |
541 | AR8051_DEBUG_RGMII_CLK_DLY_REG); | |
542 | miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_DATA_REG, | |
543 | AR8051_RGMII_TX_CLK_DLY); | |
544 | } | |
d2aa1154 | 545 | #endif |
c0e66793 IY |
546 | #if defined(CONFIG_USB_ETHER) && \ |
547 | (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT)) | |
548 | if (is_valid_ether_addr(mac_addr)) | |
549 | eth_setenv_enetaddr("usbnet_devaddr", mac_addr); | |
550 | ||
d2aa1154 IY |
551 | rv = usb_eth_initialize(bis); |
552 | if (rv < 0) | |
553 | printf("Error %d registering USB_ETHER\n", rv); | |
554 | else | |
555 | n += rv; | |
556 | #endif | |
557 | return n; | |
e363426e PK |
558 | } |
559 | #endif |