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Commit | Line | Data |
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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 | * | |
1a459660 | 8 | * SPDX-License-Identifier: GPL-2.0+ |
e363426e PK |
9 | */ |
10 | ||
11 | #include <common.h> | |
12 | #include <errno.h> | |
13 | #include <spl.h> | |
3d16389c | 14 | #include <serial.h> |
e363426e PK |
15 | #include <asm/arch/cpu.h> |
16 | #include <asm/arch/hardware.h> | |
17 | #include <asm/arch/omap.h> | |
18 | #include <asm/arch/ddr_defs.h> | |
19 | #include <asm/arch/clock.h> | |
97f3a178 | 20 | #include <asm/arch/clk_synthesizer.h> |
e363426e PK |
21 | #include <asm/arch/gpio.h> |
22 | #include <asm/arch/mmc_host_def.h> | |
23 | #include <asm/arch/sys_proto.h> | |
cd8845d7 | 24 | #include <asm/arch/mem.h> |
e363426e PK |
25 | #include <asm/io.h> |
26 | #include <asm/emif.h> | |
27 | #include <asm/gpio.h> | |
28 | #include <i2c.h> | |
29 | #include <miiphy.h> | |
30 | #include <cpsw.h> | |
9721027a TR |
31 | #include <power/tps65217.h> |
32 | #include <power/tps65910.h> | |
6843918e TR |
33 | #include <environment.h> |
34 | #include <watchdog.h> | |
ba9a6708 | 35 | #include <environment.h> |
770e68c0 | 36 | #include "../common/board_detect.h" |
e363426e PK |
37 | #include "board.h" |
38 | ||
39 | DECLARE_GLOBAL_DATA_PTR; | |
40 | ||
e363426e | 41 | /* GPIO that controls power to DDR on EVM-SK */ |
97f3a178 LV |
42 | #define GPIO_TO_PIN(bank, gpio) (32 * (bank) + (gpio)) |
43 | #define GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 7) | |
44 | #define ICE_GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 18) | |
45 | #define GPIO_PR1_MII_CTRL GPIO_TO_PIN(3, 4) | |
46 | #define GPIO_MUX_MII_CTRL GPIO_TO_PIN(3, 10) | |
47 | #define GPIO_FET_SWITCH_CTRL GPIO_TO_PIN(0, 7) | |
48 | #define GPIO_PHY_RESET GPIO_TO_PIN(2, 5) | |
e363426e | 49 | |
bd83e3df M |
50 | #if defined(CONFIG_SPL_BUILD) || \ |
51 | (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_DM_ETH)) | |
e363426e | 52 | static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; |
bd83e3df | 53 | #endif |
e363426e | 54 | |
e363426e PK |
55 | /* |
56 | * Read header information from EEPROM into global structure. | |
57 | */ | |
770e68c0 | 58 | static inline int __maybe_unused read_eeprom(void) |
e363426e | 59 | { |
770e68c0 | 60 | return ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR); |
e363426e PK |
61 | } |
62 | ||
3d16389c LV |
63 | #ifndef CONFIG_DM_SERIAL |
64 | struct serial_device *default_serial_console(void) | |
65 | { | |
66 | if (board_is_icev2()) | |
67 | return &eserial4_device; | |
68 | else | |
69 | return &eserial1_device; | |
70 | } | |
71 | #endif | |
72 | ||
d0e6d34d | 73 | #ifndef CONFIG_SKIP_LOWLEVEL_INIT |
c00f69db | 74 | static const struct ddr_data ddr2_data = { |
c4f80f50 TR |
75 | .datardsratio0 = MT47H128M16RT25E_RD_DQS, |
76 | .datafwsratio0 = MT47H128M16RT25E_PHY_FIFO_WE, | |
77 | .datawrsratio0 = MT47H128M16RT25E_PHY_WR_DATA, | |
c00f69db | 78 | }; |
e363426e | 79 | |
c00f69db | 80 | static const struct cmd_control ddr2_cmd_ctrl_data = { |
c7d35bef | 81 | .cmd0csratio = MT47H128M16RT25E_RATIO, |
c00f69db | 82 | |
c7d35bef | 83 | .cmd1csratio = MT47H128M16RT25E_RATIO, |
c00f69db | 84 | |
c7d35bef | 85 | .cmd2csratio = MT47H128M16RT25E_RATIO, |
c00f69db PK |
86 | }; |
87 | ||
88 | static const struct emif_regs ddr2_emif_reg_data = { | |
c7d35bef PK |
89 | .sdram_config = MT47H128M16RT25E_EMIF_SDCFG, |
90 | .ref_ctrl = MT47H128M16RT25E_EMIF_SDREF, | |
91 | .sdram_tim1 = MT47H128M16RT25E_EMIF_TIM1, | |
92 | .sdram_tim2 = MT47H128M16RT25E_EMIF_TIM2, | |
93 | .sdram_tim3 = MT47H128M16RT25E_EMIF_TIM3, | |
94 | .emif_ddr_phy_ctlr_1 = MT47H128M16RT25E_EMIF_READ_LATENCY, | |
c00f69db PK |
95 | }; |
96 | ||
97 | static const struct ddr_data ddr3_data = { | |
c7d35bef PK |
98 | .datardsratio0 = MT41J128MJT125_RD_DQS, |
99 | .datawdsratio0 = MT41J128MJT125_WR_DQS, | |
100 | .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE, | |
101 | .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA, | |
c00f69db PK |
102 | }; |
103 | ||
c7ba18ad TR |
104 | static const struct ddr_data ddr3_beagleblack_data = { |
105 | .datardsratio0 = MT41K256M16HA125E_RD_DQS, | |
106 | .datawdsratio0 = MT41K256M16HA125E_WR_DQS, | |
107 | .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE, | |
108 | .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA, | |
c7ba18ad TR |
109 | }; |
110 | ||
13526f71 JL |
111 | static const struct ddr_data ddr3_evm_data = { |
112 | .datardsratio0 = MT41J512M8RH125_RD_DQS, | |
113 | .datawdsratio0 = MT41J512M8RH125_WR_DQS, | |
114 | .datafwsratio0 = MT41J512M8RH125_PHY_FIFO_WE, | |
115 | .datawrsratio0 = MT41J512M8RH125_PHY_WR_DATA, | |
13526f71 JL |
116 | }; |
117 | ||
d8ff4fdb LV |
118 | static const struct ddr_data ddr3_icev2_data = { |
119 | .datardsratio0 = MT41J128MJT125_RD_DQS_400MHz, | |
120 | .datawdsratio0 = MT41J128MJT125_WR_DQS_400MHz, | |
121 | .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE_400MHz, | |
122 | .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA_400MHz, | |
123 | }; | |
124 | ||
c00f69db | 125 | static const struct cmd_control ddr3_cmd_ctrl_data = { |
c7d35bef | 126 | .cmd0csratio = MT41J128MJT125_RATIO, |
c7d35bef | 127 | .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT, |
c00f69db | 128 | |
c7d35bef | 129 | .cmd1csratio = MT41J128MJT125_RATIO, |
c7d35bef | 130 | .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT, |
c00f69db | 131 | |
c7d35bef | 132 | .cmd2csratio = MT41J128MJT125_RATIO, |
c7d35bef | 133 | .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT, |
c00f69db PK |
134 | }; |
135 | ||
c7ba18ad TR |
136 | static const struct cmd_control ddr3_beagleblack_cmd_ctrl_data = { |
137 | .cmd0csratio = MT41K256M16HA125E_RATIO, | |
c7ba18ad TR |
138 | .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT, |
139 | ||
140 | .cmd1csratio = MT41K256M16HA125E_RATIO, | |
c7ba18ad TR |
141 | .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT, |
142 | ||
143 | .cmd2csratio = MT41K256M16HA125E_RATIO, | |
c7ba18ad TR |
144 | .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT, |
145 | }; | |
146 | ||
13526f71 JL |
147 | static const struct cmd_control ddr3_evm_cmd_ctrl_data = { |
148 | .cmd0csratio = MT41J512M8RH125_RATIO, | |
13526f71 JL |
149 | .cmd0iclkout = MT41J512M8RH125_INVERT_CLKOUT, |
150 | ||
151 | .cmd1csratio = MT41J512M8RH125_RATIO, | |
13526f71 JL |
152 | .cmd1iclkout = MT41J512M8RH125_INVERT_CLKOUT, |
153 | ||
154 | .cmd2csratio = MT41J512M8RH125_RATIO, | |
13526f71 JL |
155 | .cmd2iclkout = MT41J512M8RH125_INVERT_CLKOUT, |
156 | }; | |
157 | ||
d8ff4fdb LV |
158 | static const struct cmd_control ddr3_icev2_cmd_ctrl_data = { |
159 | .cmd0csratio = MT41J128MJT125_RATIO_400MHz, | |
160 | .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz, | |
161 | ||
162 | .cmd1csratio = MT41J128MJT125_RATIO_400MHz, | |
163 | .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz, | |
164 | ||
165 | .cmd2csratio = MT41J128MJT125_RATIO_400MHz, | |
166 | .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz, | |
167 | }; | |
168 | ||
c00f69db | 169 | static struct emif_regs ddr3_emif_reg_data = { |
c7d35bef PK |
170 | .sdram_config = MT41J128MJT125_EMIF_SDCFG, |
171 | .ref_ctrl = MT41J128MJT125_EMIF_SDREF, | |
172 | .sdram_tim1 = MT41J128MJT125_EMIF_TIM1, | |
173 | .sdram_tim2 = MT41J128MJT125_EMIF_TIM2, | |
174 | .sdram_tim3 = MT41J128MJT125_EMIF_TIM3, | |
175 | .zq_config = MT41J128MJT125_ZQ_CFG, | |
59dcf970 VH |
176 | .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY | |
177 | PHY_EN_DYN_PWRDN, | |
c00f69db | 178 | }; |
13526f71 | 179 | |
c7ba18ad TR |
180 | static struct emif_regs ddr3_beagleblack_emif_reg_data = { |
181 | .sdram_config = MT41K256M16HA125E_EMIF_SDCFG, | |
182 | .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF, | |
183 | .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1, | |
184 | .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2, | |
185 | .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3, | |
186 | .zq_config = MT41K256M16HA125E_ZQ_CFG, | |
187 | .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY, | |
188 | }; | |
189 | ||
13526f71 JL |
190 | static struct emif_regs ddr3_evm_emif_reg_data = { |
191 | .sdram_config = MT41J512M8RH125_EMIF_SDCFG, | |
192 | .ref_ctrl = MT41J512M8RH125_EMIF_SDREF, | |
193 | .sdram_tim1 = MT41J512M8RH125_EMIF_TIM1, | |
194 | .sdram_tim2 = MT41J512M8RH125_EMIF_TIM2, | |
195 | .sdram_tim3 = MT41J512M8RH125_EMIF_TIM3, | |
196 | .zq_config = MT41J512M8RH125_ZQ_CFG, | |
59dcf970 VH |
197 | .emif_ddr_phy_ctlr_1 = MT41J512M8RH125_EMIF_READ_LATENCY | |
198 | PHY_EN_DYN_PWRDN, | |
13526f71 | 199 | }; |
12d7a474 | 200 | |
d8ff4fdb LV |
201 | static struct emif_regs ddr3_icev2_emif_reg_data = { |
202 | .sdram_config = MT41J128MJT125_EMIF_SDCFG_400MHz, | |
203 | .ref_ctrl = MT41J128MJT125_EMIF_SDREF_400MHz, | |
204 | .sdram_tim1 = MT41J128MJT125_EMIF_TIM1_400MHz, | |
205 | .sdram_tim2 = MT41J128MJT125_EMIF_TIM2_400MHz, | |
206 | .sdram_tim3 = MT41J128MJT125_EMIF_TIM3_400MHz, | |
207 | .zq_config = MT41J128MJT125_ZQ_CFG_400MHz, | |
208 | .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY_400MHz | | |
209 | PHY_EN_DYN_PWRDN, | |
210 | }; | |
211 | ||
12d7a474 PK |
212 | #ifdef CONFIG_SPL_OS_BOOT |
213 | int spl_start_uboot(void) | |
214 | { | |
215 | /* break into full u-boot on 'c' */ | |
ba9a6708 TR |
216 | if (serial_tstc() && serial_getc() == 'c') |
217 | return 1; | |
218 | ||
219 | #ifdef CONFIG_SPL_ENV_SUPPORT | |
220 | env_init(); | |
221 | env_relocate_spec(); | |
222 | if (getenv_yesno("boot_os") != 1) | |
223 | return 1; | |
224 | #endif | |
225 | ||
226 | return 0; | |
12d7a474 PK |
227 | } |
228 | #endif | |
229 | ||
94d77fb6 LV |
230 | #define OSC (V_OSCK/1000000) |
231 | const struct dpll_params dpll_ddr = { | |
232 | 266, OSC-1, 1, -1, -1, -1, -1}; | |
233 | const struct dpll_params dpll_ddr_evm_sk = { | |
234 | 303, OSC-1, 1, -1, -1, -1, -1}; | |
235 | const struct dpll_params dpll_ddr_bone_black = { | |
236 | 400, OSC-1, 1, -1, -1, -1, -1}; | |
237 | ||
9721027a TR |
238 | void am33xx_spl_board_init(void) |
239 | { | |
9721027a TR |
240 | int mpu_vdd; |
241 | ||
770e68c0 | 242 | if (read_eeprom() < 0) |
9721027a TR |
243 | puts("Could not get board ID.\n"); |
244 | ||
245 | /* Get the frequency */ | |
52f7d844 | 246 | dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev); |
9721027a | 247 | |
770e68c0 | 248 | if (board_is_bone() || board_is_bone_lt()) { |
9721027a TR |
249 | /* BeagleBone PMIC Code */ |
250 | int usb_cur_lim; | |
251 | ||
252 | /* | |
253 | * Only perform PMIC configurations if board rev > A1 | |
254 | * on Beaglebone White | |
255 | */ | |
770e68c0 | 256 | if (board_is_bone() && !strncmp(board_ti_get_rev(), "00A1", 4)) |
9721027a TR |
257 | return; |
258 | ||
259 | if (i2c_probe(TPS65217_CHIP_PM)) | |
260 | return; | |
261 | ||
262 | /* | |
263 | * On Beaglebone White we need to ensure we have AC power | |
264 | * before increasing the frequency. | |
265 | */ | |
770e68c0 | 266 | if (board_is_bone()) { |
9721027a TR |
267 | uchar pmic_status_reg; |
268 | if (tps65217_reg_read(TPS65217_STATUS, | |
269 | &pmic_status_reg)) | |
270 | return; | |
271 | if (!(pmic_status_reg & TPS65217_PWR_SRC_AC_BITMASK)) { | |
272 | puts("No AC power, disabling frequency switch\n"); | |
273 | return; | |
274 | } | |
275 | } | |
276 | ||
277 | /* | |
278 | * Override what we have detected since we know if we have | |
279 | * a Beaglebone Black it supports 1GHz. | |
280 | */ | |
770e68c0 | 281 | if (board_is_bone_lt()) |
52f7d844 | 282 | dpll_mpu_opp100.m = MPUPLL_M_1000; |
9721027a TR |
283 | |
284 | /* | |
285 | * Increase USB current limit to 1300mA or 1800mA and set | |
286 | * the MPU voltage controller as needed. | |
287 | */ | |
52f7d844 | 288 | if (dpll_mpu_opp100.m == MPUPLL_M_1000) { |
9721027a TR |
289 | usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA; |
290 | mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV; | |
291 | } else { | |
292 | usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA; | |
293 | mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV; | |
294 | } | |
295 | ||
296 | if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, | |
297 | TPS65217_POWER_PATH, | |
298 | usb_cur_lim, | |
299 | TPS65217_USB_INPUT_CUR_LIMIT_MASK)) | |
300 | puts("tps65217_reg_write failure\n"); | |
301 | ||
52f7d844 SK |
302 | /* Set DCDC3 (CORE) voltage to 1.125V */ |
303 | if (tps65217_voltage_update(TPS65217_DEFDCDC3, | |
304 | TPS65217_DCDC_VOLT_SEL_1125MV)) { | |
305 | puts("tps65217_voltage_update failure\n"); | |
306 | return; | |
307 | } | |
308 | ||
309 | /* Set CORE Frequencies to OPP100 */ | |
310 | do_setup_dpll(&dpll_core_regs, &dpll_core_opp100); | |
9721027a TR |
311 | |
312 | /* Set DCDC2 (MPU) voltage */ | |
313 | if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) { | |
314 | puts("tps65217_voltage_update failure\n"); | |
315 | return; | |
316 | } | |
317 | ||
318 | /* | |
319 | * Set LDO3, LDO4 output voltage to 3.3V for Beaglebone. | |
320 | * Set LDO3 to 1.8V and LDO4 to 3.3V for Beaglebone Black. | |
321 | */ | |
770e68c0 | 322 | if (board_is_bone()) { |
9721027a TR |
323 | if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, |
324 | TPS65217_DEFLS1, | |
325 | TPS65217_LDO_VOLTAGE_OUT_3_3, | |
326 | TPS65217_LDO_MASK)) | |
327 | puts("tps65217_reg_write failure\n"); | |
328 | } else { | |
329 | if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, | |
330 | TPS65217_DEFLS1, | |
331 | TPS65217_LDO_VOLTAGE_OUT_1_8, | |
332 | TPS65217_LDO_MASK)) | |
333 | puts("tps65217_reg_write failure\n"); | |
334 | } | |
335 | ||
336 | if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, | |
337 | TPS65217_DEFLS2, | |
338 | TPS65217_LDO_VOLTAGE_OUT_3_3, | |
339 | TPS65217_LDO_MASK)) | |
340 | puts("tps65217_reg_write failure\n"); | |
341 | } else { | |
342 | int sil_rev; | |
343 | ||
344 | /* | |
345 | * The GP EVM, IDK and EVM SK use a TPS65910 PMIC. For all | |
346 | * MPU frequencies we support we use a CORE voltage of | |
347 | * 1.1375V. For MPU voltage we need to switch based on | |
348 | * the frequency we are running at. | |
349 | */ | |
350 | if (i2c_probe(TPS65910_CTRL_I2C_ADDR)) | |
351 | return; | |
352 | ||
353 | /* | |
354 | * Depending on MPU clock and PG we will need a different | |
355 | * VDD to drive at that speed. | |
356 | */ | |
357 | sil_rev = readl(&cdev->deviceid) >> 28; | |
52f7d844 SK |
358 | mpu_vdd = am335x_get_tps65910_mpu_vdd(sil_rev, |
359 | dpll_mpu_opp100.m); | |
9721027a TR |
360 | |
361 | /* Tell the TPS65910 to use i2c */ | |
362 | tps65910_set_i2c_control(); | |
363 | ||
364 | /* First update MPU voltage. */ | |
365 | if (tps65910_voltage_update(MPU, mpu_vdd)) | |
366 | return; | |
367 | ||
368 | /* Second, update the CORE voltage. */ | |
369 | if (tps65910_voltage_update(CORE, TPS65910_OP_REG_SEL_1_1_3)) | |
370 | return; | |
52f7d844 SK |
371 | |
372 | /* Set CORE Frequencies to OPP100 */ | |
373 | do_setup_dpll(&dpll_core_regs, &dpll_core_opp100); | |
9721027a TR |
374 | } |
375 | ||
376 | /* Set MPU Frequency to what we detected now that voltages are set */ | |
52f7d844 | 377 | do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100); |
9721027a TR |
378 | } |
379 | ||
94d77fb6 LV |
380 | const struct dpll_params *get_dpll_ddr_params(void) |
381 | { | |
94d77fb6 | 382 | enable_i2c0_pin_mux(); |
6789e84e | 383 | i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); |
770e68c0 | 384 | if (read_eeprom() < 0) |
94d77fb6 LV |
385 | puts("Could not get board ID.\n"); |
386 | ||
770e68c0 | 387 | if (board_is_evm_sk()) |
94d77fb6 | 388 | return &dpll_ddr_evm_sk; |
d8ff4fdb | 389 | else if (board_is_bone_lt() || board_is_icev2()) |
94d77fb6 | 390 | return &dpll_ddr_bone_black; |
770e68c0 | 391 | else if (board_is_evm_15_or_later()) |
94d77fb6 LV |
392 | return &dpll_ddr_evm_sk; |
393 | else | |
394 | return &dpll_ddr; | |
395 | } | |
396 | ||
0660481a | 397 | void set_uart_mux_conf(void) |
e363426e | 398 | { |
1286b7f6 | 399 | #if CONFIG_CONS_INDEX == 1 |
e363426e | 400 | enable_uart0_pin_mux(); |
1286b7f6 | 401 | #elif CONFIG_CONS_INDEX == 2 |
6422b70b | 402 | enable_uart1_pin_mux(); |
1286b7f6 | 403 | #elif CONFIG_CONS_INDEX == 3 |
6422b70b | 404 | enable_uart2_pin_mux(); |
1286b7f6 | 405 | #elif CONFIG_CONS_INDEX == 4 |
6422b70b | 406 | enable_uart3_pin_mux(); |
1286b7f6 | 407 | #elif CONFIG_CONS_INDEX == 5 |
6422b70b | 408 | enable_uart4_pin_mux(); |
1286b7f6 | 409 | #elif CONFIG_CONS_INDEX == 6 |
6422b70b | 410 | enable_uart5_pin_mux(); |
1286b7f6 | 411 | #endif |
0660481a | 412 | } |
e363426e | 413 | |
0660481a HS |
414 | void set_mux_conf_regs(void) |
415 | { | |
770e68c0 | 416 | if (read_eeprom() < 0) |
0660481a | 417 | puts("Could not get board ID.\n"); |
e363426e | 418 | |
770e68c0 | 419 | enable_board_pin_mux(); |
0660481a | 420 | } |
e363426e | 421 | |
965de8b9 LV |
422 | const struct ctrl_ioregs ioregs_evmsk = { |
423 | .cm0ioctl = MT41J128MJT125_IOCTRL_VALUE, | |
424 | .cm1ioctl = MT41J128MJT125_IOCTRL_VALUE, | |
425 | .cm2ioctl = MT41J128MJT125_IOCTRL_VALUE, | |
426 | .dt0ioctl = MT41J128MJT125_IOCTRL_VALUE, | |
427 | .dt1ioctl = MT41J128MJT125_IOCTRL_VALUE, | |
428 | }; | |
429 | ||
430 | const struct ctrl_ioregs ioregs_bonelt = { | |
431 | .cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE, | |
432 | .cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE, | |
433 | .cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE, | |
434 | .dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE, | |
435 | .dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE, | |
436 | }; | |
437 | ||
438 | const struct ctrl_ioregs ioregs_evm15 = { | |
439 | .cm0ioctl = MT41J512M8RH125_IOCTRL_VALUE, | |
440 | .cm1ioctl = MT41J512M8RH125_IOCTRL_VALUE, | |
441 | .cm2ioctl = MT41J512M8RH125_IOCTRL_VALUE, | |
442 | .dt0ioctl = MT41J512M8RH125_IOCTRL_VALUE, | |
443 | .dt1ioctl = MT41J512M8RH125_IOCTRL_VALUE, | |
444 | }; | |
445 | ||
446 | const struct ctrl_ioregs ioregs = { | |
447 | .cm0ioctl = MT47H128M16RT25E_IOCTRL_VALUE, | |
448 | .cm1ioctl = MT47H128M16RT25E_IOCTRL_VALUE, | |
449 | .cm2ioctl = MT47H128M16RT25E_IOCTRL_VALUE, | |
450 | .dt0ioctl = MT47H128M16RT25E_IOCTRL_VALUE, | |
451 | .dt1ioctl = MT47H128M16RT25E_IOCTRL_VALUE, | |
452 | }; | |
453 | ||
0660481a HS |
454 | void sdram_init(void) |
455 | { | |
770e68c0 | 456 | if (read_eeprom() < 0) |
e363426e PK |
457 | puts("Could not get board ID.\n"); |
458 | ||
770e68c0 | 459 | if (board_is_evm_sk()) { |
e363426e PK |
460 | /* |
461 | * EVM SK 1.2A and later use gpio0_7 to enable DDR3. | |
462 | * This is safe enough to do on older revs. | |
463 | */ | |
464 | gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en"); | |
465 | gpio_direction_output(GPIO_DDR_VTT_EN, 1); | |
466 | } | |
467 | ||
d8ff4fdb LV |
468 | if (board_is_icev2()) { |
469 | gpio_request(ICE_GPIO_DDR_VTT_EN, "ddr_vtt_en"); | |
470 | gpio_direction_output(ICE_GPIO_DDR_VTT_EN, 1); | |
471 | } | |
472 | ||
770e68c0 | 473 | if (board_is_evm_sk()) |
965de8b9 | 474 | config_ddr(303, &ioregs_evmsk, &ddr3_data, |
3ba65f97 | 475 | &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0); |
770e68c0 | 476 | else if (board_is_bone_lt()) |
965de8b9 | 477 | config_ddr(400, &ioregs_bonelt, |
c7ba18ad TR |
478 | &ddr3_beagleblack_data, |
479 | &ddr3_beagleblack_cmd_ctrl_data, | |
480 | &ddr3_beagleblack_emif_reg_data, 0); | |
770e68c0 | 481 | else if (board_is_evm_15_or_later()) |
965de8b9 | 482 | config_ddr(303, &ioregs_evm15, &ddr3_evm_data, |
3ba65f97 | 483 | &ddr3_evm_cmd_ctrl_data, &ddr3_evm_emif_reg_data, 0); |
d8ff4fdb LV |
484 | else if (board_is_icev2()) |
485 | config_ddr(400, &ioregs_evmsk, &ddr3_icev2_data, | |
486 | &ddr3_icev2_cmd_ctrl_data, &ddr3_icev2_emif_reg_data, | |
487 | 0); | |
c00f69db | 488 | else |
965de8b9 | 489 | config_ddr(266, &ioregs, &ddr2_data, |
3ba65f97 | 490 | &ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0); |
e363426e | 491 | } |
0660481a | 492 | #endif |
e363426e | 493 | |
97f3a178 LV |
494 | #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \ |
495 | (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD)) | |
496 | static void request_and_set_gpio(int gpio, char *name) | |
497 | { | |
498 | int ret; | |
499 | ||
500 | ret = gpio_request(gpio, name); | |
501 | if (ret < 0) { | |
502 | printf("%s: Unable to request %s\n", __func__, name); | |
503 | return; | |
504 | } | |
505 | ||
506 | ret = gpio_direction_output(gpio, 0); | |
507 | if (ret < 0) { | |
508 | printf("%s: Unable to set %s as output\n", __func__, name); | |
509 | goto err_free_gpio; | |
510 | } | |
511 | ||
512 | gpio_set_value(gpio, 1); | |
513 | ||
514 | return; | |
515 | ||
516 | err_free_gpio: | |
517 | gpio_free(gpio); | |
518 | } | |
519 | ||
520 | #define REQUEST_AND_SET_GPIO(N) request_and_set_gpio(N, #N); | |
521 | ||
522 | /** | |
523 | * RMII mode on ICEv2 board needs 50MHz clock. Given the clock | |
524 | * synthesizer With a capacitor of 18pF, and 25MHz input clock cycle | |
525 | * PLL1 gives an output of 100MHz. So, configuring the div2/3 as 2 to | |
526 | * give 50MHz output for Eth0 and 1. | |
527 | */ | |
528 | static struct clk_synth cdce913_data = { | |
529 | .id = 0x81, | |
530 | .capacitor = 0x90, | |
531 | .mux = 0x6d, | |
532 | .pdiv2 = 0x2, | |
533 | .pdiv3 = 0x2, | |
534 | }; | |
535 | #endif | |
536 | ||
e363426e PK |
537 | /* |
538 | * Basic board specific setup. Pinmux has been handled already. | |
539 | */ | |
540 | int board_init(void) | |
541 | { | |
6843918e TR |
542 | #if defined(CONFIG_HW_WATCHDOG) |
543 | hw_watchdog_init(); | |
544 | #endif | |
545 | ||
73feefdc | 546 | gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; |
2c17e6d1 | 547 | #if defined(CONFIG_NOR) || defined(CONFIG_NAND) |
98b5c269 | 548 | gpmc_init(); |
cd8845d7 | 549 | #endif |
97f3a178 LV |
550 | #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) |
551 | int rv; | |
552 | ||
553 | if (board_is_icev2()) { | |
554 | REQUEST_AND_SET_GPIO(GPIO_PR1_MII_CTRL); | |
555 | REQUEST_AND_SET_GPIO(GPIO_MUX_MII_CTRL); | |
556 | REQUEST_AND_SET_GPIO(GPIO_FET_SWITCH_CTRL); | |
557 | REQUEST_AND_SET_GPIO(GPIO_PHY_RESET); | |
558 | ||
559 | rv = setup_clock_synthesizer(&cdce913_data); | |
560 | if (rv) { | |
561 | printf("Clock synthesizer setup failed %d\n", rv); | |
562 | return rv; | |
563 | } | |
564 | } | |
565 | #endif | |
566 | ||
e363426e PK |
567 | return 0; |
568 | } | |
569 | ||
044fc14b TR |
570 | #ifdef CONFIG_BOARD_LATE_INIT |
571 | int board_late_init(void) | |
572 | { | |
573 | #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG | |
770e68c0 NM |
574 | int rc; |
575 | char *name = NULL; | |
ace4275e | 576 | |
770e68c0 NM |
577 | rc = read_eeprom(); |
578 | if (rc) | |
ace4275e | 579 | puts("Could not get board ID.\n"); |
044fc14b | 580 | |
770e68c0 NM |
581 | if (board_is_bbg1()) |
582 | name = "BBG1"; | |
583 | set_board_info_env(name); | |
044fc14b TR |
584 | #endif |
585 | ||
586 | return 0; | |
587 | } | |
588 | #endif | |
589 | ||
bd83e3df M |
590 | #ifndef CONFIG_DM_ETH |
591 | ||
c0e66793 IY |
592 | #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \ |
593 | (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD)) | |
e363426e PK |
594 | static void cpsw_control(int enabled) |
595 | { | |
596 | /* VTP can be added here */ | |
597 | ||
598 | return; | |
599 | } | |
600 | ||
601 | static struct cpsw_slave_data cpsw_slaves[] = { | |
602 | { | |
603 | .slave_reg_ofs = 0x208, | |
604 | .sliver_reg_ofs = 0xd80, | |
9c653aad | 605 | .phy_addr = 0, |
e363426e PK |
606 | }, |
607 | { | |
608 | .slave_reg_ofs = 0x308, | |
609 | .sliver_reg_ofs = 0xdc0, | |
9c653aad | 610 | .phy_addr = 1, |
e363426e PK |
611 | }, |
612 | }; | |
613 | ||
614 | static struct cpsw_platform_data cpsw_data = { | |
81df2bab MP |
615 | .mdio_base = CPSW_MDIO_BASE, |
616 | .cpsw_base = CPSW_BASE, | |
e363426e PK |
617 | .mdio_div = 0xff, |
618 | .channels = 8, | |
619 | .cpdma_reg_ofs = 0x800, | |
620 | .slaves = 1, | |
621 | .slave_data = cpsw_slaves, | |
622 | .ale_reg_ofs = 0xd00, | |
623 | .ale_entries = 1024, | |
624 | .host_port_reg_ofs = 0x108, | |
625 | .hw_stats_reg_ofs = 0x900, | |
2bf36ac6 | 626 | .bd_ram_ofs = 0x2000, |
e363426e PK |
627 | .mac_control = (1 << 5), |
628 | .control = cpsw_control, | |
629 | .host_port_num = 0, | |
630 | .version = CPSW_CTRL_VERSION_2, | |
631 | }; | |
d2aa1154 | 632 | #endif |
e363426e | 633 | |
97f3a178 LV |
634 | #if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) &&\ |
635 | defined(CONFIG_SPL_BUILD)) || \ | |
636 | ((defined(CONFIG_DRIVER_TI_CPSW) || \ | |
637 | defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \ | |
638 | !defined(CONFIG_SPL_BUILD)) | |
639 | ||
68996b84 TR |
640 | /* |
641 | * This function will: | |
642 | * Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr | |
643 | * in the environment | |
644 | * Perform fixups to the PHY present on certain boards. We only need this | |
645 | * function in: | |
646 | * - SPL with either CPSW or USB ethernet support | |
647 | * - Full U-Boot, with either CPSW or USB ethernet | |
648 | * Build in only these cases to avoid warnings about unused variables | |
649 | * when we build an SPL that has neither option but full U-Boot will. | |
650 | */ | |
e363426e PK |
651 | int board_eth_init(bd_t *bis) |
652 | { | |
d2aa1154 | 653 | int rv, n = 0; |
e363426e PK |
654 | uint8_t mac_addr[6]; |
655 | uint32_t mac_hi, mac_lo; | |
770e68c0 | 656 | __maybe_unused struct ti_am_eeprom *header; |
e363426e | 657 | |
c0e66793 IY |
658 | /* try reading mac address from efuse */ |
659 | mac_lo = readl(&cdev->macid0l); | |
660 | mac_hi = readl(&cdev->macid0h); | |
661 | mac_addr[0] = mac_hi & 0xFF; | |
662 | mac_addr[1] = (mac_hi & 0xFF00) >> 8; | |
663 | mac_addr[2] = (mac_hi & 0xFF0000) >> 16; | |
664 | mac_addr[3] = (mac_hi & 0xFF000000) >> 24; | |
665 | mac_addr[4] = mac_lo & 0xFF; | |
666 | mac_addr[5] = (mac_lo & 0xFF00) >> 8; | |
667 | ||
668 | #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \ | |
669 | (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD)) | |
670 | if (!getenv("ethaddr")) { | |
671 | printf("<ethaddr> not set. Validating first E-fuse MAC\n"); | |
e363426e | 672 | |
0adb5b76 | 673 | if (is_valid_ethaddr(mac_addr)) |
e363426e | 674 | eth_setenv_enetaddr("ethaddr", mac_addr); |
e363426e PK |
675 | } |
676 | ||
a662e0c3 | 677 | #ifdef CONFIG_DRIVER_TI_CPSW |
a35ad51e M |
678 | |
679 | mac_lo = readl(&cdev->macid1l); | |
680 | mac_hi = readl(&cdev->macid1h); | |
681 | mac_addr[0] = mac_hi & 0xFF; | |
682 | mac_addr[1] = (mac_hi & 0xFF00) >> 8; | |
683 | mac_addr[2] = (mac_hi & 0xFF0000) >> 16; | |
684 | mac_addr[3] = (mac_hi & 0xFF000000) >> 24; | |
685 | mac_addr[4] = mac_lo & 0xFF; | |
686 | mac_addr[5] = (mac_lo & 0xFF00) >> 8; | |
687 | ||
688 | if (!getenv("eth1addr")) { | |
0adb5b76 | 689 | if (is_valid_ethaddr(mac_addr)) |
a35ad51e M |
690 | eth_setenv_enetaddr("eth1addr", mac_addr); |
691 | } | |
692 | ||
770e68c0 | 693 | if (read_eeprom() < 0) |
ace4275e TR |
694 | puts("Could not get board ID.\n"); |
695 | ||
770e68c0 NM |
696 | if (board_is_bone() || board_is_bone_lt() || |
697 | board_is_idk()) { | |
e363426e PK |
698 | writel(MII_MODE_ENABLE, &cdev->miisel); |
699 | cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if = | |
700 | PHY_INTERFACE_MODE_MII; | |
97f3a178 LV |
701 | } else if (board_is_icev2()) { |
702 | writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel); | |
703 | cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII; | |
704 | cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_RMII; | |
705 | cpsw_slaves[0].phy_addr = 1; | |
706 | cpsw_slaves[1].phy_addr = 3; | |
e363426e | 707 | } else { |
dafd4db3 | 708 | writel((RGMII_MODE_ENABLE | RGMII_INT_DELAY), &cdev->miisel); |
e363426e PK |
709 | cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if = |
710 | PHY_INTERFACE_MODE_RGMII; | |
711 | } | |
712 | ||
d2aa1154 IY |
713 | rv = cpsw_register(&cpsw_data); |
714 | if (rv < 0) | |
715 | printf("Error %d registering CPSW switch\n", rv); | |
716 | else | |
717 | n += rv; | |
a662e0c3 | 718 | #endif |
1634e969 TR |
719 | |
720 | /* | |
721 | * | |
722 | * CPSW RGMII Internal Delay Mode is not supported in all PVT | |
723 | * operating points. So we must set the TX clock delay feature | |
724 | * in the AR8051 PHY. Since we only support a single ethernet | |
725 | * device in U-Boot, we only do this for the first instance. | |
726 | */ | |
727 | #define AR8051_PHY_DEBUG_ADDR_REG 0x1d | |
728 | #define AR8051_PHY_DEBUG_DATA_REG 0x1e | |
729 | #define AR8051_DEBUG_RGMII_CLK_DLY_REG 0x5 | |
730 | #define AR8051_RGMII_TX_CLK_DLY 0x100 | |
731 | ||
770e68c0 | 732 | if (board_is_evm_sk() || board_is_gp_evm()) { |
1634e969 TR |
733 | const char *devname; |
734 | devname = miiphy_get_current_dev(); | |
735 | ||
736 | miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_ADDR_REG, | |
737 | AR8051_DEBUG_RGMII_CLK_DLY_REG); | |
738 | miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_DATA_REG, | |
739 | AR8051_RGMII_TX_CLK_DLY); | |
740 | } | |
d2aa1154 | 741 | #endif |
c0e66793 IY |
742 | #if defined(CONFIG_USB_ETHER) && \ |
743 | (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT)) | |
0adb5b76 | 744 | if (is_valid_ethaddr(mac_addr)) |
c0e66793 IY |
745 | eth_setenv_enetaddr("usbnet_devaddr", mac_addr); |
746 | ||
d2aa1154 IY |
747 | rv = usb_eth_initialize(bis); |
748 | if (rv < 0) | |
749 | printf("Error %d registering USB_ETHER\n", rv); | |
750 | else | |
751 | n += rv; | |
752 | #endif | |
753 | return n; | |
e363426e PK |
754 | } |
755 | #endif | |
bd83e3df M |
756 | |
757 | #endif /* CONFIG_DM_ETH */ | |
505ea6e8 LV |
758 | |
759 | #ifdef CONFIG_SPL_LOAD_FIT | |
760 | int board_fit_config_name_match(const char *name) | |
761 | { | |
762 | if (board_is_gp_evm() && !strcmp(name, "am335x-evm")) | |
763 | return 0; | |
764 | else if (board_is_bone() && !strcmp(name, "am335x-bone")) | |
765 | return 0; | |
766 | else if (board_is_bone_lt() && !strcmp(name, "am335x-boneblack")) | |
767 | return 0; | |
3819ea70 LV |
768 | else if (board_is_evm_sk() && !strcmp(name, "am335x-evmsk")) |
769 | return 0; | |
da9d9599 LV |
770 | else if (board_is_bbg1() && !strcmp(name, "am335x-bonegreen")) |
771 | return 0; | |
73ec6960 LV |
772 | else if (board_is_icev2() && !strcmp(name, "am335x-icev2")) |
773 | return 0; | |
505ea6e8 LV |
774 | else |
775 | return -1; | |
776 | } | |
777 | #endif |