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Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +02002/*
3 * board.c
4 *
5 * Board functions for TCL SL50 board
6 *
7 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +02008 */
9
10#include <common.h>
Simon Glass79fd2142019-08-01 09:46:43 -060011#include <env.h>
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +020012#include <errno.h>
Simon Glassa7b51302019-11-14 12:57:46 -070013#include <init.h>
Simon Glass274e0b02020-05-10 11:39:56 -060014#include <net.h>
Simon Glass36736182019-11-14 12:57:24 -070015#include <serial.h>
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +020016#include <spl.h>
17#include <asm/arch/cpu.h>
18#include <asm/arch/hardware.h>
19#include <asm/arch/omap.h>
20#include <asm/arch/ddr_defs.h>
21#include <asm/arch/clock.h>
22#include <asm/arch/gpio.h>
23#include <asm/arch/mmc_host_def.h>
24#include <asm/arch/sys_proto.h>
25#include <asm/arch/mem.h>
Simon Glass3ba929a2020-10-30 21:38:53 -060026#include <asm/global_data.h>
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +020027#include <asm/io.h>
28#include <asm/emif.h>
29#include <asm/gpio.h>
30#include <i2c.h>
31#include <miiphy.h>
32#include <cpsw.h>
33#include <power/tps65217.h>
34#include <power/tps65910.h>
Simon Glass9d1f6192019-08-02 09:44:25 -060035#include <env_internal.h>
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +020036#include <watchdog.h>
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +020037#include "board.h"
38
39DECLARE_GLOBAL_DATA_PTR;
40
41static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
42
43#ifndef CONFIG_SKIP_LOWLEVEL_INIT
44
45static const struct ddr_data ddr3_sl50_data = {
46 .datardsratio0 = MT41K256M16HA125E_RD_DQS,
47 .datawdsratio0 = MT41K256M16HA125E_WR_DQS,
48 .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
49 .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
50};
51
52static const struct cmd_control ddr3_sl50_cmd_ctrl_data = {
53 .cmd0csratio = MT41K256M16HA125E_RATIO,
54 .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
55
56 .cmd1csratio = MT41K256M16HA125E_RATIO,
57 .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
58
59 .cmd2csratio = MT41K256M16HA125E_RATIO,
60 .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
61};
62
63static struct emif_regs ddr3_sl50_emif_reg_data = {
64 .sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
65 .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
66 .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
67 .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
68 .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
69 .zq_config = MT41K256M16HA125E_ZQ_CFG,
70 .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
71};
72
73#ifdef CONFIG_SPL_OS_BOOT
74int spl_start_uboot(void)
75{
76 /* break into full u-boot on 'c' */
77 if (serial_tstc() && serial_getc() == 'c')
78 return 1;
79
80#ifdef CONFIG_SPL_ENV_SUPPORT
81 env_init();
Simon Glass17539572017-08-03 12:22:07 -060082 env_load();
Simon Glass22c34c22017-08-03 12:22:13 -060083 if (env_get_yesno("boot_os") != 1)
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +020084 return 1;
85#endif
86
87 return 0;
88}
89#endif
90
91#define OSC (V_OSCK/1000000)
92const struct dpll_params dpll_ddr_sl50 = {
93 400, OSC-1, 1, -1, -1, -1, -1};
94
95void am33xx_spl_board_init(void)
96{
97 int mpu_vdd;
98
99 /* Get the frequency */
100 dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
101
102 /* BeagleBone PMIC Code */
103 int usb_cur_lim;
104
105 if (i2c_probe(TPS65217_CHIP_PM))
106 return;
107
108 /*
109 * Increase USB current limit to 1300mA or 1800mA and set
110 * the MPU voltage controller as needed.
111 */
112 if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
113 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
114 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
115 } else {
116 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
117 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
118 }
119
120 if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
121 TPS65217_POWER_PATH,
122 usb_cur_lim,
123 TPS65217_USB_INPUT_CUR_LIMIT_MASK))
124 puts("tps65217_reg_write failure\n");
125
126 /* Set DCDC3 (CORE) voltage to 1.125V */
127 if (tps65217_voltage_update(TPS65217_DEFDCDC3,
128 TPS65217_DCDC_VOLT_SEL_1125MV)) {
129 puts("tps65217_voltage_update failure\n");
130 return;
131 }
132
133 /* Set CORE Frequencies to OPP100 */
134 do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
135
136 /* Set DCDC2 (MPU) voltage */
137 if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
138 puts("tps65217_voltage_update failure\n");
139 return;
140 }
141
142 /*
143 * Set LDO3 to 1.8V and LDO4 to 3.3V
144 */
145 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
146 TPS65217_DEFLS1,
147 TPS65217_LDO_VOLTAGE_OUT_1_8,
148 TPS65217_LDO_MASK))
149 puts("tps65217_reg_write failure\n");
150
151 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
152 TPS65217_DEFLS2,
153 TPS65217_LDO_VOLTAGE_OUT_3_3,
154 TPS65217_LDO_MASK))
155 puts("tps65217_reg_write failure\n");
156
157 /* Set MPU Frequency to what we detected now that voltages are set */
158 do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
159}
160
161const struct dpll_params *get_dpll_ddr_params(void)
162{
163 enable_i2c0_pin_mux();
Tom Rinia7a9bc02021-08-18 23:12:29 -0400164 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +0200165
166 return &dpll_ddr_sl50;
167}
168
169void set_uart_mux_conf(void)
170{
171#if CONFIG_CONS_INDEX == 1
172 enable_uart0_pin_mux();
173#elif CONFIG_CONS_INDEX == 2
174 enable_uart1_pin_mux();
175#elif CONFIG_CONS_INDEX == 3
176 enable_uart2_pin_mux();
177#elif CONFIG_CONS_INDEX == 4
178 enable_uart3_pin_mux();
179#elif CONFIG_CONS_INDEX == 5
180 enable_uart4_pin_mux();
181#elif CONFIG_CONS_INDEX == 6
182 enable_uart5_pin_mux();
183#endif
184}
185
186void set_mux_conf_regs(void)
187{
188 enable_board_pin_mux();
189}
190
191const struct ctrl_ioregs ioregs_evmsk = {
192 .cm0ioctl = MT41J128MJT125_IOCTRL_VALUE,
193 .cm1ioctl = MT41J128MJT125_IOCTRL_VALUE,
194 .cm2ioctl = MT41J128MJT125_IOCTRL_VALUE,
195 .dt0ioctl = MT41J128MJT125_IOCTRL_VALUE,
196 .dt1ioctl = MT41J128MJT125_IOCTRL_VALUE,
197};
198
199const struct ctrl_ioregs ioregs_bonelt = {
200 .cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
201 .cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
202 .cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
203 .dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
204 .dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
205};
206
207const struct ctrl_ioregs ioregs_evm15 = {
208 .cm0ioctl = MT41J512M8RH125_IOCTRL_VALUE,
209 .cm1ioctl = MT41J512M8RH125_IOCTRL_VALUE,
210 .cm2ioctl = MT41J512M8RH125_IOCTRL_VALUE,
211 .dt0ioctl = MT41J512M8RH125_IOCTRL_VALUE,
212 .dt1ioctl = MT41J512M8RH125_IOCTRL_VALUE,
213};
214
215const struct ctrl_ioregs ioregs = {
216 .cm0ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
217 .cm1ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
218 .cm2ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
219 .dt0ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
220 .dt1ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
221};
222
223void sdram_init(void)
224{
225 config_ddr(400, &ioregs_bonelt,
226 &ddr3_sl50_data,
227 &ddr3_sl50_cmd_ctrl_data,
228 &ddr3_sl50_emif_reg_data, 0);
229}
230#endif
231
232/*
233 * Basic board specific setup. Pinmux has been handled already.
234 */
235int board_init(void)
236{
237#if defined(CONFIG_HW_WATCHDOG)
238 hw_watchdog_init();
239#endif
240
241 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
242 return 0;
243}
244
245#ifdef CONFIG_BOARD_LATE_INIT
246int board_late_init(void)
247{
248 return 0;
249}
250#endif
251
252#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
Simon Glasse5cd9a42021-07-10 21:14:26 -0600253 (defined(CONFIG_SPL_ETH) && defined(CONFIG_SPL_BUILD))
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +0200254static void cpsw_control(int enabled)
255{
256 /* VTP can be added here */
257
258 return;
259}
260
261static struct cpsw_slave_data cpsw_slaves[] = {
262 {
263 .slave_reg_ofs = 0x208,
264 .sliver_reg_ofs = 0xd80,
265 .phy_addr = 0,
266 },
267 {
268 .slave_reg_ofs = 0x308,
269 .sliver_reg_ofs = 0xdc0,
270 .phy_addr = 1,
271 },
272};
273
274static struct cpsw_platform_data cpsw_data = {
275 .mdio_base = CPSW_MDIO_BASE,
276 .cpsw_base = CPSW_BASE,
277 .mdio_div = 0xff,
278 .channels = 8,
279 .cpdma_reg_ofs = 0x800,
280 .slaves = 1,
281 .slave_data = cpsw_slaves,
282 .ale_reg_ofs = 0xd00,
283 .ale_entries = 1024,
284 .host_port_reg_ofs = 0x108,
285 .hw_stats_reg_ofs = 0x900,
286 .bd_ram_ofs = 0x2000,
287 .mac_control = (1 << 5),
288 .control = cpsw_control,
289 .host_port_num = 0,
290 .version = CPSW_CTRL_VERSION_2,
291};
292#endif
293
294/*
295 * This function will:
296 * Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr
297 * in the environment
298 * Perform fixups to the PHY present on certain boards. We only need this
299 * function in:
300 * - SPL with either CPSW or USB ethernet support
301 * - Full U-Boot, with either CPSW or USB ethernet
302 * Build in only these cases to avoid warnings about unused variables
303 * when we build an SPL that has neither option but full U-Boot will.
304 */
Simon Glasse5cd9a42021-07-10 21:14:26 -0600305#if ((defined(CONFIG_SPL_ETH) || defined(CONFIG_SPL_USB_ETHER)) \
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +0200306 && defined(CONFIG_SPL_BUILD)) || \
307 ((defined(CONFIG_DRIVER_TI_CPSW) || \
308 defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \
309 !defined(CONFIG_SPL_BUILD))
Masahiro Yamadaf7ed78b2020-06-26 15:13:33 +0900310int board_eth_init(struct bd_info *bis)
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +0200311{
312 int rv, n = 0;
313 uint8_t mac_addr[6];
314 uint32_t mac_hi, mac_lo;
315
316 /* try reading mac address from efuse */
317 mac_lo = readl(&cdev->macid0l);
318 mac_hi = readl(&cdev->macid0h);
319 mac_addr[0] = mac_hi & 0xFF;
320 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
321 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
322 mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
323 mac_addr[4] = mac_lo & 0xFF;
324 mac_addr[5] = (mac_lo & 0xFF00) >> 8;
325
326#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
Simon Glasse5cd9a42021-07-10 21:14:26 -0600327 (defined(CONFIG_SPL_ETH) && defined(CONFIG_SPL_BUILD))
Simon Glass64b723f2017-08-03 12:22:12 -0600328 if (!env_get("ethaddr")) {
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +0200329 printf("<ethaddr> not set. Validating first E-fuse MAC\n");
330
331 if (is_valid_ethaddr(mac_addr))
Simon Glass8551d552017-08-03 12:22:11 -0600332 eth_env_set_enetaddr("ethaddr", mac_addr);
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +0200333 }
334
335#ifdef CONFIG_DRIVER_TI_CPSW
336
337 mac_lo = readl(&cdev->macid1l);
338 mac_hi = readl(&cdev->macid1h);
339 mac_addr[0] = mac_hi & 0xFF;
340 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
341 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
342 mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
343 mac_addr[4] = mac_lo & 0xFF;
344 mac_addr[5] = (mac_lo & 0xFF00) >> 8;
345
Simon Glass64b723f2017-08-03 12:22:12 -0600346 if (!env_get("eth1addr")) {
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +0200347 if (is_valid_ethaddr(mac_addr))
Simon Glass8551d552017-08-03 12:22:11 -0600348 eth_env_set_enetaddr("eth1addr", mac_addr);
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +0200349 }
350
351
352 writel(MII_MODE_ENABLE, &cdev->miisel);
353 cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
354 PHY_INTERFACE_MODE_MII;
355
356 rv = cpsw_register(&cpsw_data);
357 if (rv < 0)
358 printf("Error %d registering CPSW switch\n", rv);
359 else
360 n += rv;
361#endif
362
363 /*
364 *
365 * CPSW RGMII Internal Delay Mode is not supported in all PVT
366 * operating points. So we must set the TX clock delay feature
367 * in the AR8051 PHY. Since we only support a single ethernet
368 * device in U-Boot, we only do this for the first instance.
369 */
370#define AR8051_PHY_DEBUG_ADDR_REG 0x1d
371#define AR8051_PHY_DEBUG_DATA_REG 0x1e
372#define AR8051_DEBUG_RGMII_CLK_DLY_REG 0x5
373#define AR8051_RGMII_TX_CLK_DLY 0x100
374
375#endif
376#if defined(CONFIG_USB_ETHER) && \
Faiz Abbasc01553b2018-02-16 21:17:44 +0530377 (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USB_ETHER))
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +0200378 if (is_valid_ether_addr(mac_addr))
Simon Glass8551d552017-08-03 12:22:11 -0600379 eth_env_set_enetaddr("usbnet_devaddr", mac_addr);
Enric Balletbò i Serra9d89b082015-09-07 07:43:20 +0200380
381 rv = usb_eth_initialize(bis);
382 if (rv < 0)
383 printf("Error %d registering USB_ETHER\n", rv);
384 else
385 n += rv;
386#endif
387 return n;
388}
389#endif