]> git.ipfire.org Git - people/ms/u-boot.git/blame - board/ti/am335x/board.c
ARM: AMx3xx: Centralize early clock initialization
[people/ms/u-boot.git] / board / ti / am335x / board.c
CommitLineData
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>
b0a4eea1 28#include <asm/omap_sec_common.h>
e363426e
PK
29#include <i2c.h>
30#include <miiphy.h>
31#include <cpsw.h>
9721027a
TR
32#include <power/tps65217.h>
33#include <power/tps65910.h>
6843918e
TR
34#include <environment.h>
35#include <watchdog.h>
ba9a6708 36#include <environment.h>
770e68c0 37#include "../common/board_detect.h"
e363426e
PK
38#include "board.h"
39
40DECLARE_GLOBAL_DATA_PTR;
41
e363426e 42/* GPIO that controls power to DDR on EVM-SK */
97f3a178
LV
43#define GPIO_TO_PIN(bank, gpio) (32 * (bank) + (gpio))
44#define GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 7)
45#define ICE_GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 18)
46#define GPIO_PR1_MII_CTRL GPIO_TO_PIN(3, 4)
47#define GPIO_MUX_MII_CTRL GPIO_TO_PIN(3, 10)
48#define GPIO_FET_SWITCH_CTRL GPIO_TO_PIN(0, 7)
49#define GPIO_PHY_RESET GPIO_TO_PIN(2, 5)
e607ec99
RQ
50#define GPIO_ETH0_MODE GPIO_TO_PIN(0, 11)
51#define GPIO_ETH1_MODE GPIO_TO_PIN(1, 26)
e363426e
PK
52
53static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
54
e607ec99
RQ
55#define GPIO0_RISINGDETECT (AM33XX_GPIO0_BASE + OMAP_GPIO_RISINGDETECT)
56#define GPIO1_RISINGDETECT (AM33XX_GPIO1_BASE + OMAP_GPIO_RISINGDETECT)
57
58#define GPIO0_IRQSTATUS1 (AM33XX_GPIO0_BASE + OMAP_GPIO_IRQSTATUS1)
59#define GPIO1_IRQSTATUS1 (AM33XX_GPIO1_BASE + OMAP_GPIO_IRQSTATUS1)
60
61#define GPIO0_IRQSTATUSRAW (AM33XX_GPIO0_BASE + 0x024)
62#define GPIO1_IRQSTATUSRAW (AM33XX_GPIO1_BASE + 0x024)
63
e363426e
PK
64/*
65 * Read header information from EEPROM into global structure.
66 */
770e68c0 67static inline int __maybe_unused read_eeprom(void)
e363426e 68{
770e68c0 69 return ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR);
e363426e
PK
70}
71
3d16389c
LV
72#ifndef CONFIG_DM_SERIAL
73struct serial_device *default_serial_console(void)
74{
75 if (board_is_icev2())
76 return &eserial4_device;
77 else
78 return &eserial1_device;
79}
80#endif
81
d0e6d34d 82#ifndef CONFIG_SKIP_LOWLEVEL_INIT
c00f69db 83static const struct ddr_data ddr2_data = {
c4f80f50
TR
84 .datardsratio0 = MT47H128M16RT25E_RD_DQS,
85 .datafwsratio0 = MT47H128M16RT25E_PHY_FIFO_WE,
86 .datawrsratio0 = MT47H128M16RT25E_PHY_WR_DATA,
c00f69db 87};
e363426e 88
c00f69db 89static const struct cmd_control ddr2_cmd_ctrl_data = {
c7d35bef 90 .cmd0csratio = MT47H128M16RT25E_RATIO,
c00f69db 91
c7d35bef 92 .cmd1csratio = MT47H128M16RT25E_RATIO,
c00f69db 93
c7d35bef 94 .cmd2csratio = MT47H128M16RT25E_RATIO,
c00f69db
PK
95};
96
97static const struct emif_regs ddr2_emif_reg_data = {
c7d35bef
PK
98 .sdram_config = MT47H128M16RT25E_EMIF_SDCFG,
99 .ref_ctrl = MT47H128M16RT25E_EMIF_SDREF,
100 .sdram_tim1 = MT47H128M16RT25E_EMIF_TIM1,
101 .sdram_tim2 = MT47H128M16RT25E_EMIF_TIM2,
102 .sdram_tim3 = MT47H128M16RT25E_EMIF_TIM3,
103 .emif_ddr_phy_ctlr_1 = MT47H128M16RT25E_EMIF_READ_LATENCY,
c00f69db
PK
104};
105
106static const struct ddr_data ddr3_data = {
c7d35bef
PK
107 .datardsratio0 = MT41J128MJT125_RD_DQS,
108 .datawdsratio0 = MT41J128MJT125_WR_DQS,
109 .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE,
110 .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA,
c00f69db
PK
111};
112
c7ba18ad
TR
113static const struct ddr_data ddr3_beagleblack_data = {
114 .datardsratio0 = MT41K256M16HA125E_RD_DQS,
115 .datawdsratio0 = MT41K256M16HA125E_WR_DQS,
116 .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
117 .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
c7ba18ad
TR
118};
119
13526f71
JL
120static const struct ddr_data ddr3_evm_data = {
121 .datardsratio0 = MT41J512M8RH125_RD_DQS,
122 .datawdsratio0 = MT41J512M8RH125_WR_DQS,
123 .datafwsratio0 = MT41J512M8RH125_PHY_FIFO_WE,
124 .datawrsratio0 = MT41J512M8RH125_PHY_WR_DATA,
13526f71
JL
125};
126
d8ff4fdb
LV
127static const struct ddr_data ddr3_icev2_data = {
128 .datardsratio0 = MT41J128MJT125_RD_DQS_400MHz,
129 .datawdsratio0 = MT41J128MJT125_WR_DQS_400MHz,
130 .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE_400MHz,
131 .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA_400MHz,
132};
133
c00f69db 134static const struct cmd_control ddr3_cmd_ctrl_data = {
c7d35bef 135 .cmd0csratio = MT41J128MJT125_RATIO,
c7d35bef 136 .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT,
c00f69db 137
c7d35bef 138 .cmd1csratio = MT41J128MJT125_RATIO,
c7d35bef 139 .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT,
c00f69db 140
c7d35bef 141 .cmd2csratio = MT41J128MJT125_RATIO,
c7d35bef 142 .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT,
c00f69db
PK
143};
144
c7ba18ad
TR
145static const struct cmd_control ddr3_beagleblack_cmd_ctrl_data = {
146 .cmd0csratio = MT41K256M16HA125E_RATIO,
c7ba18ad
TR
147 .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
148
149 .cmd1csratio = MT41K256M16HA125E_RATIO,
c7ba18ad
TR
150 .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
151
152 .cmd2csratio = MT41K256M16HA125E_RATIO,
c7ba18ad
TR
153 .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
154};
155
13526f71
JL
156static const struct cmd_control ddr3_evm_cmd_ctrl_data = {
157 .cmd0csratio = MT41J512M8RH125_RATIO,
13526f71
JL
158 .cmd0iclkout = MT41J512M8RH125_INVERT_CLKOUT,
159
160 .cmd1csratio = MT41J512M8RH125_RATIO,
13526f71
JL
161 .cmd1iclkout = MT41J512M8RH125_INVERT_CLKOUT,
162
163 .cmd2csratio = MT41J512M8RH125_RATIO,
13526f71
JL
164 .cmd2iclkout = MT41J512M8RH125_INVERT_CLKOUT,
165};
166
d8ff4fdb
LV
167static const struct cmd_control ddr3_icev2_cmd_ctrl_data = {
168 .cmd0csratio = MT41J128MJT125_RATIO_400MHz,
169 .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
170
171 .cmd1csratio = MT41J128MJT125_RATIO_400MHz,
172 .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
173
174 .cmd2csratio = MT41J128MJT125_RATIO_400MHz,
175 .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
176};
177
c00f69db 178static struct emif_regs ddr3_emif_reg_data = {
c7d35bef
PK
179 .sdram_config = MT41J128MJT125_EMIF_SDCFG,
180 .ref_ctrl = MT41J128MJT125_EMIF_SDREF,
181 .sdram_tim1 = MT41J128MJT125_EMIF_TIM1,
182 .sdram_tim2 = MT41J128MJT125_EMIF_TIM2,
183 .sdram_tim3 = MT41J128MJT125_EMIF_TIM3,
184 .zq_config = MT41J128MJT125_ZQ_CFG,
59dcf970
VH
185 .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY |
186 PHY_EN_DYN_PWRDN,
c00f69db 187};
13526f71 188
c7ba18ad
TR
189static struct emif_regs ddr3_beagleblack_emif_reg_data = {
190 .sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
191 .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
192 .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
193 .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
194 .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
195 .zq_config = MT41K256M16HA125E_ZQ_CFG,
196 .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
197};
198
13526f71
JL
199static struct emif_regs ddr3_evm_emif_reg_data = {
200 .sdram_config = MT41J512M8RH125_EMIF_SDCFG,
201 .ref_ctrl = MT41J512M8RH125_EMIF_SDREF,
202 .sdram_tim1 = MT41J512M8RH125_EMIF_TIM1,
203 .sdram_tim2 = MT41J512M8RH125_EMIF_TIM2,
204 .sdram_tim3 = MT41J512M8RH125_EMIF_TIM3,
205 .zq_config = MT41J512M8RH125_ZQ_CFG,
59dcf970
VH
206 .emif_ddr_phy_ctlr_1 = MT41J512M8RH125_EMIF_READ_LATENCY |
207 PHY_EN_DYN_PWRDN,
13526f71 208};
12d7a474 209
d8ff4fdb
LV
210static struct emif_regs ddr3_icev2_emif_reg_data = {
211 .sdram_config = MT41J128MJT125_EMIF_SDCFG_400MHz,
212 .ref_ctrl = MT41J128MJT125_EMIF_SDREF_400MHz,
213 .sdram_tim1 = MT41J128MJT125_EMIF_TIM1_400MHz,
214 .sdram_tim2 = MT41J128MJT125_EMIF_TIM2_400MHz,
215 .sdram_tim3 = MT41J128MJT125_EMIF_TIM3_400MHz,
216 .zq_config = MT41J128MJT125_ZQ_CFG_400MHz,
217 .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY_400MHz |
218 PHY_EN_DYN_PWRDN,
219};
220
12d7a474
PK
221#ifdef CONFIG_SPL_OS_BOOT
222int spl_start_uboot(void)
223{
224 /* break into full u-boot on 'c' */
ba9a6708
TR
225 if (serial_tstc() && serial_getc() == 'c')
226 return 1;
227
228#ifdef CONFIG_SPL_ENV_SUPPORT
229 env_init();
230 env_relocate_spec();
231 if (getenv_yesno("boot_os") != 1)
232 return 1;
233#endif
234
235 return 0;
12d7a474
PK
236}
237#endif
238
94d77fb6
LV
239#define OSC (V_OSCK/1000000)
240const struct dpll_params dpll_ddr = {
241 266, OSC-1, 1, -1, -1, -1, -1};
242const struct dpll_params dpll_ddr_evm_sk = {
243 303, OSC-1, 1, -1, -1, -1, -1};
244const struct dpll_params dpll_ddr_bone_black = {
245 400, OSC-1, 1, -1, -1, -1, -1};
246
9721027a
TR
247void am33xx_spl_board_init(void)
248{
9721027a
TR
249 int mpu_vdd;
250
770e68c0 251 if (read_eeprom() < 0)
9721027a
TR
252 puts("Could not get board ID.\n");
253
254 /* Get the frequency */
52f7d844 255 dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
9721027a 256
770e68c0 257 if (board_is_bone() || board_is_bone_lt()) {
9721027a
TR
258 /* BeagleBone PMIC Code */
259 int usb_cur_lim;
260
261 /*
262 * Only perform PMIC configurations if board rev > A1
263 * on Beaglebone White
264 */
770e68c0 265 if (board_is_bone() && !strncmp(board_ti_get_rev(), "00A1", 4))
9721027a
TR
266 return;
267
268 if (i2c_probe(TPS65217_CHIP_PM))
269 return;
270
271 /*
272 * On Beaglebone White we need to ensure we have AC power
273 * before increasing the frequency.
274 */
770e68c0 275 if (board_is_bone()) {
9721027a
TR
276 uchar pmic_status_reg;
277 if (tps65217_reg_read(TPS65217_STATUS,
278 &pmic_status_reg))
279 return;
280 if (!(pmic_status_reg & TPS65217_PWR_SRC_AC_BITMASK)) {
281 puts("No AC power, disabling frequency switch\n");
282 return;
283 }
284 }
285
286 /*
287 * Override what we have detected since we know if we have
288 * a Beaglebone Black it supports 1GHz.
289 */
770e68c0 290 if (board_is_bone_lt())
52f7d844 291 dpll_mpu_opp100.m = MPUPLL_M_1000;
9721027a
TR
292
293 /*
294 * Increase USB current limit to 1300mA or 1800mA and set
295 * the MPU voltage controller as needed.
296 */
52f7d844 297 if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
9721027a
TR
298 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
299 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
300 } else {
301 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
302 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
303 }
304
305 if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
306 TPS65217_POWER_PATH,
307 usb_cur_lim,
308 TPS65217_USB_INPUT_CUR_LIMIT_MASK))
309 puts("tps65217_reg_write failure\n");
310
52f7d844
SK
311 /* Set DCDC3 (CORE) voltage to 1.125V */
312 if (tps65217_voltage_update(TPS65217_DEFDCDC3,
313 TPS65217_DCDC_VOLT_SEL_1125MV)) {
314 puts("tps65217_voltage_update failure\n");
315 return;
316 }
317
318 /* Set CORE Frequencies to OPP100 */
319 do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
9721027a
TR
320
321 /* Set DCDC2 (MPU) voltage */
322 if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
323 puts("tps65217_voltage_update failure\n");
324 return;
325 }
326
327 /*
328 * Set LDO3, LDO4 output voltage to 3.3V for Beaglebone.
329 * Set LDO3 to 1.8V and LDO4 to 3.3V for Beaglebone Black.
330 */
770e68c0 331 if (board_is_bone()) {
9721027a
TR
332 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
333 TPS65217_DEFLS1,
334 TPS65217_LDO_VOLTAGE_OUT_3_3,
335 TPS65217_LDO_MASK))
336 puts("tps65217_reg_write failure\n");
337 } else {
338 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
339 TPS65217_DEFLS1,
340 TPS65217_LDO_VOLTAGE_OUT_1_8,
341 TPS65217_LDO_MASK))
342 puts("tps65217_reg_write failure\n");
343 }
344
345 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
346 TPS65217_DEFLS2,
347 TPS65217_LDO_VOLTAGE_OUT_3_3,
348 TPS65217_LDO_MASK))
349 puts("tps65217_reg_write failure\n");
350 } else {
351 int sil_rev;
352
353 /*
354 * The GP EVM, IDK and EVM SK use a TPS65910 PMIC. For all
355 * MPU frequencies we support we use a CORE voltage of
356 * 1.1375V. For MPU voltage we need to switch based on
357 * the frequency we are running at.
358 */
359 if (i2c_probe(TPS65910_CTRL_I2C_ADDR))
360 return;
361
362 /*
363 * Depending on MPU clock and PG we will need a different
364 * VDD to drive at that speed.
365 */
366 sil_rev = readl(&cdev->deviceid) >> 28;
52f7d844
SK
367 mpu_vdd = am335x_get_tps65910_mpu_vdd(sil_rev,
368 dpll_mpu_opp100.m);
9721027a
TR
369
370 /* Tell the TPS65910 to use i2c */
371 tps65910_set_i2c_control();
372
373 /* First update MPU voltage. */
374 if (tps65910_voltage_update(MPU, mpu_vdd))
375 return;
376
377 /* Second, update the CORE voltage. */
378 if (tps65910_voltage_update(CORE, TPS65910_OP_REG_SEL_1_1_3))
379 return;
52f7d844
SK
380
381 /* Set CORE Frequencies to OPP100 */
382 do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
9721027a
TR
383 }
384
385 /* Set MPU Frequency to what we detected now that voltages are set */
52f7d844 386 do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
9721027a
TR
387}
388
94d77fb6
LV
389const struct dpll_params *get_dpll_ddr_params(void)
390{
94d77fb6 391 enable_i2c0_pin_mux();
6789e84e 392 i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
770e68c0 393 if (read_eeprom() < 0)
94d77fb6
LV
394 puts("Could not get board ID.\n");
395
770e68c0 396 if (board_is_evm_sk())
94d77fb6 397 return &dpll_ddr_evm_sk;
d8ff4fdb 398 else if (board_is_bone_lt() || board_is_icev2())
94d77fb6 399 return &dpll_ddr_bone_black;
770e68c0 400 else if (board_is_evm_15_or_later())
94d77fb6
LV
401 return &dpll_ddr_evm_sk;
402 else
403 return &dpll_ddr;
404}
405
0660481a 406void set_uart_mux_conf(void)
e363426e 407{
1286b7f6 408#if CONFIG_CONS_INDEX == 1
e363426e 409 enable_uart0_pin_mux();
1286b7f6 410#elif CONFIG_CONS_INDEX == 2
6422b70b 411 enable_uart1_pin_mux();
1286b7f6 412#elif CONFIG_CONS_INDEX == 3
6422b70b 413 enable_uart2_pin_mux();
1286b7f6 414#elif CONFIG_CONS_INDEX == 4
6422b70b 415 enable_uart3_pin_mux();
1286b7f6 416#elif CONFIG_CONS_INDEX == 5
6422b70b 417 enable_uart4_pin_mux();
1286b7f6 418#elif CONFIG_CONS_INDEX == 6
6422b70b 419 enable_uart5_pin_mux();
1286b7f6 420#endif
0660481a 421}
e363426e 422
0660481a
HS
423void set_mux_conf_regs(void)
424{
770e68c0 425 if (read_eeprom() < 0)
0660481a 426 puts("Could not get board ID.\n");
e363426e 427
770e68c0 428 enable_board_pin_mux();
0660481a 429}
e363426e 430
965de8b9
LV
431const struct ctrl_ioregs ioregs_evmsk = {
432 .cm0ioctl = MT41J128MJT125_IOCTRL_VALUE,
433 .cm1ioctl = MT41J128MJT125_IOCTRL_VALUE,
434 .cm2ioctl = MT41J128MJT125_IOCTRL_VALUE,
435 .dt0ioctl = MT41J128MJT125_IOCTRL_VALUE,
436 .dt1ioctl = MT41J128MJT125_IOCTRL_VALUE,
437};
438
439const struct ctrl_ioregs ioregs_bonelt = {
440 .cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
441 .cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
442 .cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
443 .dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
444 .dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
445};
446
447const struct ctrl_ioregs ioregs_evm15 = {
448 .cm0ioctl = MT41J512M8RH125_IOCTRL_VALUE,
449 .cm1ioctl = MT41J512M8RH125_IOCTRL_VALUE,
450 .cm2ioctl = MT41J512M8RH125_IOCTRL_VALUE,
451 .dt0ioctl = MT41J512M8RH125_IOCTRL_VALUE,
452 .dt1ioctl = MT41J512M8RH125_IOCTRL_VALUE,
453};
454
455const struct ctrl_ioregs ioregs = {
456 .cm0ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
457 .cm1ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
458 .cm2ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
459 .dt0ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
460 .dt1ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
461};
462
0660481a
HS
463void sdram_init(void)
464{
770e68c0 465 if (read_eeprom() < 0)
e363426e
PK
466 puts("Could not get board ID.\n");
467
770e68c0 468 if (board_is_evm_sk()) {
e363426e
PK
469 /*
470 * EVM SK 1.2A and later use gpio0_7 to enable DDR3.
471 * This is safe enough to do on older revs.
472 */
473 gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en");
474 gpio_direction_output(GPIO_DDR_VTT_EN, 1);
475 }
476
d8ff4fdb
LV
477 if (board_is_icev2()) {
478 gpio_request(ICE_GPIO_DDR_VTT_EN, "ddr_vtt_en");
479 gpio_direction_output(ICE_GPIO_DDR_VTT_EN, 1);
480 }
481
770e68c0 482 if (board_is_evm_sk())
965de8b9 483 config_ddr(303, &ioregs_evmsk, &ddr3_data,
3ba65f97 484 &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
770e68c0 485 else if (board_is_bone_lt())
965de8b9 486 config_ddr(400, &ioregs_bonelt,
c7ba18ad
TR
487 &ddr3_beagleblack_data,
488 &ddr3_beagleblack_cmd_ctrl_data,
489 &ddr3_beagleblack_emif_reg_data, 0);
770e68c0 490 else if (board_is_evm_15_or_later())
965de8b9 491 config_ddr(303, &ioregs_evm15, &ddr3_evm_data,
3ba65f97 492 &ddr3_evm_cmd_ctrl_data, &ddr3_evm_emif_reg_data, 0);
d8ff4fdb
LV
493 else if (board_is_icev2())
494 config_ddr(400, &ioregs_evmsk, &ddr3_icev2_data,
495 &ddr3_icev2_cmd_ctrl_data, &ddr3_icev2_emif_reg_data,
496 0);
c00f69db 497 else
965de8b9 498 config_ddr(266, &ioregs, &ddr2_data,
3ba65f97 499 &ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0);
e363426e 500}
0660481a 501#endif
e363426e 502
e607ec99 503#if !defined(CONFIG_SPL_BUILD) || \
97f3a178 504 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
e607ec99 505static void request_and_set_gpio(int gpio, char *name, int val)
97f3a178
LV
506{
507 int ret;
508
509 ret = gpio_request(gpio, name);
510 if (ret < 0) {
511 printf("%s: Unable to request %s\n", __func__, name);
512 return;
513 }
514
515 ret = gpio_direction_output(gpio, 0);
516 if (ret < 0) {
517 printf("%s: Unable to set %s as output\n", __func__, name);
518 goto err_free_gpio;
519 }
520
e607ec99 521 gpio_set_value(gpio, val);
97f3a178
LV
522
523 return;
524
525err_free_gpio:
526 gpio_free(gpio);
527}
528
e607ec99
RQ
529#define REQUEST_AND_SET_GPIO(N) request_and_set_gpio(N, #N, 1);
530#define REQUEST_AND_CLR_GPIO(N) request_and_set_gpio(N, #N, 0);
97f3a178
LV
531
532/**
533 * RMII mode on ICEv2 board needs 50MHz clock. Given the clock
534 * synthesizer With a capacitor of 18pF, and 25MHz input clock cycle
535 * PLL1 gives an output of 100MHz. So, configuring the div2/3 as 2 to
536 * give 50MHz output for Eth0 and 1.
537 */
538static struct clk_synth cdce913_data = {
539 .id = 0x81,
540 .capacitor = 0x90,
541 .mux = 0x6d,
542 .pdiv2 = 0x2,
543 .pdiv3 = 0x2,
544};
545#endif
546
e363426e
PK
547/*
548 * Basic board specific setup. Pinmux has been handled already.
549 */
550int board_init(void)
551{
6843918e
TR
552#if defined(CONFIG_HW_WATCHDOG)
553 hw_watchdog_init();
554#endif
555
73feefdc 556 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
2c17e6d1 557#if defined(CONFIG_NOR) || defined(CONFIG_NAND)
98b5c269 558 gpmc_init();
cd8845d7 559#endif
97f3a178 560
e607ec99
RQ
561#if !defined(CONFIG_SPL_BUILD) || \
562 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
97f3a178 563 if (board_is_icev2()) {
e607ec99
RQ
564 int rv;
565 u32 reg;
566
97f3a178 567 REQUEST_AND_SET_GPIO(GPIO_PR1_MII_CTRL);
e607ec99
RQ
568 /* Make J19 status available on GPIO1_26 */
569 REQUEST_AND_CLR_GPIO(GPIO_MUX_MII_CTRL);
570
97f3a178 571 REQUEST_AND_SET_GPIO(GPIO_FET_SWITCH_CTRL);
e607ec99
RQ
572 /*
573 * Both ports can be set as RMII-CPSW or MII-PRU-ETH using
574 * jumpers near the port. Read the jumper value and set
575 * the pinmux, external mux and PHY clock accordingly.
576 * As jumper line is overridden by PHY RX_DV pin immediately
577 * after bootstrap (power-up/reset), we need to sample
578 * it during PHY reset using GPIO rising edge detection.
579 */
97f3a178 580 REQUEST_AND_SET_GPIO(GPIO_PHY_RESET);
e607ec99
RQ
581 /* Enable rising edge IRQ on GPIO0_11 and GPIO 1_26 */
582 reg = readl(GPIO0_RISINGDETECT) | BIT(11);
583 writel(reg, GPIO0_RISINGDETECT);
584 reg = readl(GPIO1_RISINGDETECT) | BIT(26);
585 writel(reg, GPIO1_RISINGDETECT);
586 /* Reset PHYs to capture the Jumper setting */
587 gpio_set_value(GPIO_PHY_RESET, 0);
588 udelay(2); /* PHY datasheet states 1uS min. */
589 gpio_set_value(GPIO_PHY_RESET, 1);
590
591 reg = readl(GPIO0_IRQSTATUSRAW) & BIT(11);
592 if (reg) {
593 writel(reg, GPIO0_IRQSTATUS1); /* clear irq */
594 /* RMII mode */
595 printf("ETH0, CPSW\n");
596 } else {
597 /* MII mode */
598 printf("ETH0, PRU\n");
599 cdce913_data.pdiv3 = 4; /* 25MHz PHY clk */
600 }
601
602 reg = readl(GPIO1_IRQSTATUSRAW) & BIT(26);
603 if (reg) {
604 writel(reg, GPIO1_IRQSTATUS1); /* clear irq */
605 /* RMII mode */
606 printf("ETH1, CPSW\n");
607 gpio_set_value(GPIO_MUX_MII_CTRL, 1);
608 } else {
609 /* MII mode */
610 printf("ETH1, PRU\n");
611 cdce913_data.pdiv2 = 4; /* 25MHz PHY clk */
612 }
613
614 /* disable rising edge IRQs */
615 reg = readl(GPIO0_RISINGDETECT) & ~BIT(11);
616 writel(reg, GPIO0_RISINGDETECT);
617 reg = readl(GPIO1_RISINGDETECT) & ~BIT(26);
618 writel(reg, GPIO1_RISINGDETECT);
97f3a178
LV
619
620 rv = setup_clock_synthesizer(&cdce913_data);
621 if (rv) {
622 printf("Clock synthesizer setup failed %d\n", rv);
623 return rv;
624 }
e607ec99
RQ
625
626 /* reset PHYs */
627 gpio_set_value(GPIO_PHY_RESET, 0);
628 udelay(2); /* PHY datasheet states 1uS min. */
629 gpio_set_value(GPIO_PHY_RESET, 1);
97f3a178
LV
630 }
631#endif
632
e363426e
PK
633 return 0;
634}
635
044fc14b
TR
636#ifdef CONFIG_BOARD_LATE_INIT
637int board_late_init(void)
638{
f411b5cc
RQ
639#if !defined(CONFIG_SPL_BUILD)
640 uint8_t mac_addr[6];
641 uint32_t mac_hi, mac_lo;
642#endif
643
044fc14b 644#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
770e68c0
NM
645 int rc;
646 char *name = NULL;
ace4275e 647
770e68c0
NM
648 rc = read_eeprom();
649 if (rc)
ace4275e 650 puts("Could not get board ID.\n");
044fc14b 651
770e68c0
NM
652 if (board_is_bbg1())
653 name = "BBG1";
654 set_board_info_env(name);
044fc14b
TR
655#endif
656
f411b5cc
RQ
657#if !defined(CONFIG_SPL_BUILD)
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 (!getenv("ethaddr")) {
669 printf("<ethaddr> not set. Validating first E-fuse MAC\n");
670
671 if (is_valid_ethaddr(mac_addr))
672 eth_setenv_enetaddr("ethaddr", mac_addr);
673 }
674
675 mac_lo = readl(&cdev->macid1l);
676 mac_hi = readl(&cdev->macid1h);
677 mac_addr[0] = mac_hi & 0xFF;
678 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
679 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
680 mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
681 mac_addr[4] = mac_lo & 0xFF;
682 mac_addr[5] = (mac_lo & 0xFF00) >> 8;
683
684 if (!getenv("eth1addr")) {
685 if (is_valid_ethaddr(mac_addr))
686 eth_setenv_enetaddr("eth1addr", mac_addr);
687 }
688#endif
689
044fc14b
TR
690 return 0;
691}
692#endif
693
bd83e3df
M
694#ifndef CONFIG_DM_ETH
695
c0e66793
IY
696#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
697 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
e363426e
PK
698static void cpsw_control(int enabled)
699{
700 /* VTP can be added here */
701
702 return;
703}
704
705static struct cpsw_slave_data cpsw_slaves[] = {
706 {
707 .slave_reg_ofs = 0x208,
708 .sliver_reg_ofs = 0xd80,
9c653aad 709 .phy_addr = 0,
e363426e
PK
710 },
711 {
712 .slave_reg_ofs = 0x308,
713 .sliver_reg_ofs = 0xdc0,
9c653aad 714 .phy_addr = 1,
e363426e
PK
715 },
716};
717
718static struct cpsw_platform_data cpsw_data = {
81df2bab
MP
719 .mdio_base = CPSW_MDIO_BASE,
720 .cpsw_base = CPSW_BASE,
e363426e
PK
721 .mdio_div = 0xff,
722 .channels = 8,
723 .cpdma_reg_ofs = 0x800,
724 .slaves = 1,
725 .slave_data = cpsw_slaves,
726 .ale_reg_ofs = 0xd00,
727 .ale_entries = 1024,
728 .host_port_reg_ofs = 0x108,
729 .hw_stats_reg_ofs = 0x900,
2bf36ac6 730 .bd_ram_ofs = 0x2000,
e363426e
PK
731 .mac_control = (1 << 5),
732 .control = cpsw_control,
733 .host_port_num = 0,
734 .version = CPSW_CTRL_VERSION_2,
735};
d2aa1154 736#endif
e363426e 737
97f3a178
LV
738#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) &&\
739 defined(CONFIG_SPL_BUILD)) || \
740 ((defined(CONFIG_DRIVER_TI_CPSW) || \
741 defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \
742 !defined(CONFIG_SPL_BUILD))
743
68996b84
TR
744/*
745 * This function will:
746 * Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr
747 * in the environment
748 * Perform fixups to the PHY present on certain boards. We only need this
749 * function in:
750 * - SPL with either CPSW or USB ethernet support
751 * - Full U-Boot, with either CPSW or USB ethernet
752 * Build in only these cases to avoid warnings about unused variables
753 * when we build an SPL that has neither option but full U-Boot will.
754 */
e363426e
PK
755int board_eth_init(bd_t *bis)
756{
d2aa1154 757 int rv, n = 0;
f411b5cc
RQ
758#if defined(CONFIG_USB_ETHER) && \
759 (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
e363426e
PK
760 uint8_t mac_addr[6];
761 uint32_t mac_hi, mac_lo;
762
f411b5cc
RQ
763 /*
764 * use efuse mac address for USB ethernet as we know that
765 * both CPSW and USB ethernet will never be active at the same time
766 */
c0e66793
IY
767 mac_lo = readl(&cdev->macid0l);
768 mac_hi = readl(&cdev->macid0h);
769 mac_addr[0] = mac_hi & 0xFF;
770 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
771 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
772 mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
773 mac_addr[4] = mac_lo & 0xFF;
774 mac_addr[5] = (mac_lo & 0xFF00) >> 8;
f411b5cc
RQ
775#endif
776
c0e66793
IY
777
778#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
779 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
e363426e 780
a662e0c3 781#ifdef CONFIG_DRIVER_TI_CPSW
770e68c0 782 if (read_eeprom() < 0)
ace4275e
TR
783 puts("Could not get board ID.\n");
784
770e68c0
NM
785 if (board_is_bone() || board_is_bone_lt() ||
786 board_is_idk()) {
e363426e
PK
787 writel(MII_MODE_ENABLE, &cdev->miisel);
788 cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
789 PHY_INTERFACE_MODE_MII;
97f3a178
LV
790 } else if (board_is_icev2()) {
791 writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
792 cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII;
793 cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_RMII;
794 cpsw_slaves[0].phy_addr = 1;
795 cpsw_slaves[1].phy_addr = 3;
e363426e 796 } else {
dafd4db3 797 writel((RGMII_MODE_ENABLE | RGMII_INT_DELAY), &cdev->miisel);
e363426e
PK
798 cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
799 PHY_INTERFACE_MODE_RGMII;
800 }
801
d2aa1154
IY
802 rv = cpsw_register(&cpsw_data);
803 if (rv < 0)
804 printf("Error %d registering CPSW switch\n", rv);
805 else
806 n += rv;
a662e0c3 807#endif
1634e969
TR
808
809 /*
810 *
811 * CPSW RGMII Internal Delay Mode is not supported in all PVT
812 * operating points. So we must set the TX clock delay feature
813 * in the AR8051 PHY. Since we only support a single ethernet
814 * device in U-Boot, we only do this for the first instance.
815 */
816#define AR8051_PHY_DEBUG_ADDR_REG 0x1d
817#define AR8051_PHY_DEBUG_DATA_REG 0x1e
818#define AR8051_DEBUG_RGMII_CLK_DLY_REG 0x5
819#define AR8051_RGMII_TX_CLK_DLY 0x100
820
770e68c0 821 if (board_is_evm_sk() || board_is_gp_evm()) {
1634e969
TR
822 const char *devname;
823 devname = miiphy_get_current_dev();
824
825 miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_ADDR_REG,
826 AR8051_DEBUG_RGMII_CLK_DLY_REG);
827 miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_DATA_REG,
828 AR8051_RGMII_TX_CLK_DLY);
829 }
d2aa1154 830#endif
c0e66793
IY
831#if defined(CONFIG_USB_ETHER) && \
832 (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
0adb5b76 833 if (is_valid_ethaddr(mac_addr))
c0e66793
IY
834 eth_setenv_enetaddr("usbnet_devaddr", mac_addr);
835
d2aa1154
IY
836 rv = usb_eth_initialize(bis);
837 if (rv < 0)
838 printf("Error %d registering USB_ETHER\n", rv);
839 else
840 n += rv;
841#endif
842 return n;
e363426e
PK
843}
844#endif
bd83e3df
M
845
846#endif /* CONFIG_DM_ETH */
505ea6e8
LV
847
848#ifdef CONFIG_SPL_LOAD_FIT
849int board_fit_config_name_match(const char *name)
850{
851 if (board_is_gp_evm() && !strcmp(name, "am335x-evm"))
852 return 0;
853 else if (board_is_bone() && !strcmp(name, "am335x-bone"))
854 return 0;
855 else if (board_is_bone_lt() && !strcmp(name, "am335x-boneblack"))
856 return 0;
3819ea70
LV
857 else if (board_is_evm_sk() && !strcmp(name, "am335x-evmsk"))
858 return 0;
da9d9599
LV
859 else if (board_is_bbg1() && !strcmp(name, "am335x-bonegreen"))
860 return 0;
73ec6960
LV
861 else if (board_is_icev2() && !strcmp(name, "am335x-icev2"))
862 return 0;
505ea6e8
LV
863 else
864 return -1;
865}
866#endif
b0a4eea1
AD
867
868#ifdef CONFIG_TI_SECURE_DEVICE
869void board_fit_image_post_process(void **p_image, size_t *p_size)
870{
871 secure_boot_verify_image(p_image, p_size);
872}
873#endif