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Commit | Line | Data |
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fbf2728d LV |
1 | /* |
2 | * board.c | |
3 | * | |
4 | * Board functions for TI AM43XX based boards | |
5 | * | |
6 | * Copyright (C) 2013, Texas Instruments, Incorporated - http://www.ti.com/ | |
7 | * | |
8 | * SPDX-License-Identifier: GPL-2.0+ | |
9 | */ | |
10 | ||
11 | #include <common.h> | |
9f1a8cd3 SN |
12 | #include <i2c.h> |
13 | #include <asm/errno.h> | |
fbf2728d | 14 | #include <spl.h> |
9f81eb77 | 15 | #include <usb.h> |
3b34ac13 | 16 | #include <asm/arch/clock.h> |
fbf2728d LV |
17 | #include <asm/arch/sys_proto.h> |
18 | #include <asm/arch/mux.h> | |
d3daba10 | 19 | #include <asm/arch/ddr_defs.h> |
b5e01eec | 20 | #include <asm/arch/gpio.h> |
d3daba10 | 21 | #include <asm/emif.h> |
fbf2728d | 22 | #include "board.h" |
7aa5598a | 23 | #include <power/pmic.h> |
83bad102 | 24 | #include <power/tps65218.h> |
403d70ab | 25 | #include <power/tps62362.h> |
4cdd7fda M |
26 | #include <miiphy.h> |
27 | #include <cpsw.h> | |
9f81eb77 KVA |
28 | #include <linux/usb/gadget.h> |
29 | #include <dwc3-uboot.h> | |
30 | #include <dwc3-omap-uboot.h> | |
31 | #include <ti-usb-phy-uboot.h> | |
fbf2728d LV |
32 | |
33 | DECLARE_GLOBAL_DATA_PTR; | |
34 | ||
4cdd7fda | 35 | static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; |
4cdd7fda | 36 | |
9f1a8cd3 SN |
37 | /* |
38 | * Read header information from EEPROM into global structure. | |
39 | */ | |
40 | static int read_eeprom(struct am43xx_board_id *header) | |
41 | { | |
42 | /* Check if baseboard eeprom is available */ | |
43 | if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) { | |
44 | printf("Could not probe the EEPROM at 0x%x\n", | |
45 | CONFIG_SYS_I2C_EEPROM_ADDR); | |
46 | return -ENODEV; | |
47 | } | |
48 | ||
49 | /* read the eeprom using i2c */ | |
50 | if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 2, (uchar *)header, | |
51 | sizeof(struct am43xx_board_id))) { | |
52 | printf("Could not read the EEPROM\n"); | |
53 | return -EIO; | |
54 | } | |
55 | ||
56 | if (header->magic != 0xEE3355AA) { | |
57 | /* | |
58 | * read the eeprom using i2c again, | |
59 | * but use only a 1 byte address | |
60 | */ | |
61 | if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 1, (uchar *)header, | |
62 | sizeof(struct am43xx_board_id))) { | |
63 | printf("Could not read the EEPROM at 0x%x\n", | |
64 | CONFIG_SYS_I2C_EEPROM_ADDR); | |
65 | return -EIO; | |
66 | } | |
67 | ||
68 | if (header->magic != 0xEE3355AA) { | |
69 | printf("Incorrect magic number (0x%x) in EEPROM\n", | |
70 | header->magic); | |
71 | return -EINVAL; | |
72 | } | |
73 | } | |
74 | ||
75 | strncpy(am43xx_board_name, (char *)header->name, sizeof(header->name)); | |
76 | am43xx_board_name[sizeof(header->name)] = 0; | |
77 | ||
2c952111 FCJ |
78 | strncpy(am43xx_board_rev, (char *)header->version, sizeof(header->version)); |
79 | am43xx_board_rev[sizeof(header->version)] = 0; | |
80 | ||
9f1a8cd3 SN |
81 | return 0; |
82 | } | |
83 | ||
7a5f71bc | 84 | #ifndef CONFIG_SKIP_LOWLEVEL_INIT |
fbf2728d | 85 | |
cf04d032 LV |
86 | #define NUM_OPPS 6 |
87 | ||
88 | const struct dpll_params dpll_mpu[NUM_CRYSTAL_FREQ][NUM_OPPS] = { | |
89 | { /* 19.2 MHz */ | |
e2a6207b | 90 | {125, 3, 2, -1, -1, -1, -1}, /* OPP 50 */ |
cf04d032 | 91 | {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */ |
e2a6207b JD |
92 | {125, 3, 1, -1, -1, -1, -1}, /* OPP 100 */ |
93 | {150, 3, 1, -1, -1, -1, -1}, /* OPP 120 */ | |
94 | {125, 2, 1, -1, -1, -1, -1}, /* OPP TB */ | |
95 | {625, 11, 1, -1, -1, -1, -1} /* OPP NT */ | |
cf04d032 LV |
96 | }, |
97 | { /* 24 MHz */ | |
98 | {300, 23, 1, -1, -1, -1, -1}, /* OPP 50 */ | |
99 | {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */ | |
100 | {600, 23, 1, -1, -1, -1, -1}, /* OPP 100 */ | |
101 | {720, 23, 1, -1, -1, -1, -1}, /* OPP 120 */ | |
102 | {800, 23, 1, -1, -1, -1, -1}, /* OPP TB */ | |
103 | {1000, 23, 1, -1, -1, -1, -1} /* OPP NT */ | |
104 | }, | |
105 | { /* 25 MHz */ | |
106 | {300, 24, 1, -1, -1, -1, -1}, /* OPP 50 */ | |
107 | {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */ | |
108 | {600, 24, 1, -1, -1, -1, -1}, /* OPP 100 */ | |
109 | {720, 24, 1, -1, -1, -1, -1}, /* OPP 120 */ | |
110 | {800, 24, 1, -1, -1, -1, -1}, /* OPP TB */ | |
111 | {1000, 24, 1, -1, -1, -1, -1} /* OPP NT */ | |
112 | }, | |
113 | { /* 26 MHz */ | |
114 | {300, 25, 1, -1, -1, -1, -1}, /* OPP 50 */ | |
115 | {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */ | |
116 | {600, 25, 1, -1, -1, -1, -1}, /* OPP 100 */ | |
117 | {720, 25, 1, -1, -1, -1, -1}, /* OPP 120 */ | |
118 | {800, 25, 1, -1, -1, -1, -1}, /* OPP TB */ | |
119 | {1000, 25, 1, -1, -1, -1, -1} /* OPP NT */ | |
120 | }, | |
121 | }; | |
122 | ||
123 | const struct dpll_params dpll_core[NUM_CRYSTAL_FREQ] = { | |
e2a6207b | 124 | {625, 11, -1, -1, 10, 8, 4}, /* 19.2 MHz */ |
cf04d032 LV |
125 | {1000, 23, -1, -1, 10, 8, 4}, /* 24 MHz */ |
126 | {1000, 24, -1, -1, 10, 8, 4}, /* 25 MHz */ | |
127 | {1000, 25, -1, -1, 10, 8, 4} /* 26 MHz */ | |
128 | }; | |
129 | ||
130 | const struct dpll_params dpll_per[NUM_CRYSTAL_FREQ] = { | |
e2a6207b JD |
131 | {400, 7, 5, -1, -1, -1, -1}, /* 19.2 MHz */ |
132 | {400, 9, 5, -1, -1, -1, -1}, /* 24 MHz */ | |
c87b6a96 | 133 | {384, 9, 5, -1, -1, -1, -1}, /* 25 MHz */ |
e2a6207b | 134 | {480, 12, 5, -1, -1, -1, -1} /* 26 MHz */ |
cf04d032 LV |
135 | }; |
136 | ||
e2a6207b JD |
137 | const struct dpll_params epos_evm_dpll_ddr[NUM_CRYSTAL_FREQ] = { |
138 | {665, 47, 1, -1, 4, -1, -1}, /*19.2*/ | |
139 | {133, 11, 1, -1, 4, -1, -1}, /* 24 MHz */ | |
140 | {266, 24, 1, -1, 4, -1, -1}, /* 25 MHz */ | |
141 | {133, 12, 1, -1, 4, -1, -1} /* 26 MHz */ | |
142 | }; | |
cf04d032 LV |
143 | |
144 | const struct dpll_params gp_evm_dpll_ddr = { | |
e2a6207b | 145 | 50, 2, 1, -1, 2, -1, -1}; |
fbf2728d | 146 | |
403d70ab FB |
147 | static const struct dpll_params idk_dpll_ddr = { |
148 | 400, 23, 1, -1, 2, -1, -1 | |
149 | }; | |
150 | ||
d3daba10 LV |
151 | const struct ctrl_ioregs ioregs_lpddr2 = { |
152 | .cm0ioctl = LPDDR2_ADDRCTRL_IOCTRL_VALUE, | |
153 | .cm1ioctl = LPDDR2_ADDRCTRL_WD0_IOCTRL_VALUE, | |
154 | .cm2ioctl = LPDDR2_ADDRCTRL_WD1_IOCTRL_VALUE, | |
155 | .dt0ioctl = LPDDR2_DATA0_IOCTRL_VALUE, | |
156 | .dt1ioctl = LPDDR2_DATA0_IOCTRL_VALUE, | |
157 | .dt2ioctrl = LPDDR2_DATA0_IOCTRL_VALUE, | |
158 | .dt3ioctrl = LPDDR2_DATA0_IOCTRL_VALUE, | |
159 | .emif_sdram_config_ext = 0x1, | |
160 | }; | |
161 | ||
162 | const struct emif_regs emif_regs_lpddr2 = { | |
163 | .sdram_config = 0x808012BA, | |
164 | .ref_ctrl = 0x0000040D, | |
165 | .sdram_tim1 = 0xEA86B411, | |
166 | .sdram_tim2 = 0x103A094A, | |
167 | .sdram_tim3 = 0x0F6BA37F, | |
168 | .read_idle_ctrl = 0x00050000, | |
169 | .zq_config = 0x50074BE4, | |
170 | .temp_alert_config = 0x0, | |
171 | .emif_rd_wr_lvl_rmp_win = 0x0, | |
172 | .emif_rd_wr_lvl_rmp_ctl = 0x0, | |
173 | .emif_rd_wr_lvl_ctl = 0x0, | |
e2a6207b | 174 | .emif_ddr_phy_ctlr_1 = 0x0E284006, |
8038b497 | 175 | .emif_rd_wr_exec_thresh = 0x80000405, |
d3daba10 LV |
176 | .emif_ddr_ext_phy_ctrl_1 = 0x04010040, |
177 | .emif_ddr_ext_phy_ctrl_2 = 0x00500050, | |
178 | .emif_ddr_ext_phy_ctrl_3 = 0x00500050, | |
179 | .emif_ddr_ext_phy_ctrl_4 = 0x00500050, | |
8038b497 CJF |
180 | .emif_ddr_ext_phy_ctrl_5 = 0x00500050, |
181 | .emif_prio_class_serv_map = 0x80000001, | |
182 | .emif_connect_id_serv_1_map = 0x80000094, | |
183 | .emif_connect_id_serv_2_map = 0x00000000, | |
184 | .emif_cos_config = 0x000FFFFF | |
d3daba10 LV |
185 | }; |
186 | ||
b5e01eec LV |
187 | const struct ctrl_ioregs ioregs_ddr3 = { |
188 | .cm0ioctl = DDR3_ADDRCTRL_IOCTRL_VALUE, | |
189 | .cm1ioctl = DDR3_ADDRCTRL_WD0_IOCTRL_VALUE, | |
190 | .cm2ioctl = DDR3_ADDRCTRL_WD1_IOCTRL_VALUE, | |
191 | .dt0ioctl = DDR3_DATA0_IOCTRL_VALUE, | |
192 | .dt1ioctl = DDR3_DATA0_IOCTRL_VALUE, | |
193 | .dt2ioctrl = DDR3_DATA0_IOCTRL_VALUE, | |
194 | .dt3ioctrl = DDR3_DATA0_IOCTRL_VALUE, | |
e2a6207b | 195 | .emif_sdram_config_ext = 0xc163, |
b5e01eec LV |
196 | }; |
197 | ||
198 | const struct emif_regs ddr3_emif_regs_400Mhz = { | |
199 | .sdram_config = 0x638413B2, | |
200 | .ref_ctrl = 0x00000C30, | |
201 | .sdram_tim1 = 0xEAAAD4DB, | |
202 | .sdram_tim2 = 0x266B7FDA, | |
203 | .sdram_tim3 = 0x107F8678, | |
204 | .read_idle_ctrl = 0x00050000, | |
205 | .zq_config = 0x50074BE4, | |
206 | .temp_alert_config = 0x0, | |
e27f2dd7 | 207 | .emif_ddr_phy_ctlr_1 = 0x0E004008, |
b5e01eec LV |
208 | .emif_ddr_ext_phy_ctrl_1 = 0x08020080, |
209 | .emif_ddr_ext_phy_ctrl_2 = 0x00400040, | |
210 | .emif_ddr_ext_phy_ctrl_3 = 0x00400040, | |
211 | .emif_ddr_ext_phy_ctrl_4 = 0x00400040, | |
212 | .emif_ddr_ext_phy_ctrl_5 = 0x00400040, | |
213 | .emif_rd_wr_lvl_rmp_win = 0x0, | |
214 | .emif_rd_wr_lvl_rmp_ctl = 0x0, | |
215 | .emif_rd_wr_lvl_ctl = 0x0, | |
8038b497 CJF |
216 | .emif_rd_wr_exec_thresh = 0x80000405, |
217 | .emif_prio_class_serv_map = 0x80000001, | |
218 | .emif_connect_id_serv_1_map = 0x80000094, | |
219 | .emif_connect_id_serv_2_map = 0x00000000, | |
220 | .emif_cos_config = 0x000FFFFF | |
b5e01eec LV |
221 | }; |
222 | ||
2c952111 FCJ |
223 | /* EMIF DDR3 Configurations are different for beta AM43X GP EVMs */ |
224 | const struct emif_regs ddr3_emif_regs_400Mhz_beta = { | |
225 | .sdram_config = 0x638413B2, | |
226 | .ref_ctrl = 0x00000C30, | |
227 | .sdram_tim1 = 0xEAAAD4DB, | |
228 | .sdram_tim2 = 0x266B7FDA, | |
229 | .sdram_tim3 = 0x107F8678, | |
230 | .read_idle_ctrl = 0x00050000, | |
231 | .zq_config = 0x50074BE4, | |
232 | .temp_alert_config = 0x0, | |
233 | .emif_ddr_phy_ctlr_1 = 0x0E004008, | |
234 | .emif_ddr_ext_phy_ctrl_1 = 0x08020080, | |
235 | .emif_ddr_ext_phy_ctrl_2 = 0x00000065, | |
236 | .emif_ddr_ext_phy_ctrl_3 = 0x00000091, | |
237 | .emif_ddr_ext_phy_ctrl_4 = 0x000000B5, | |
238 | .emif_ddr_ext_phy_ctrl_5 = 0x000000E5, | |
8038b497 CJF |
239 | .emif_rd_wr_exec_thresh = 0x80000405, |
240 | .emif_prio_class_serv_map = 0x80000001, | |
241 | .emif_connect_id_serv_1_map = 0x80000094, | |
242 | .emif_connect_id_serv_2_map = 0x00000000, | |
243 | .emif_cos_config = 0x000FFFFF | |
2c952111 FCJ |
244 | }; |
245 | ||
246 | /* EMIF DDR3 Configurations are different for production AM43X GP EVMs */ | |
247 | const struct emif_regs ddr3_emif_regs_400Mhz_production = { | |
248 | .sdram_config = 0x638413B2, | |
249 | .ref_ctrl = 0x00000C30, | |
250 | .sdram_tim1 = 0xEAAAD4DB, | |
251 | .sdram_tim2 = 0x266B7FDA, | |
252 | .sdram_tim3 = 0x107F8678, | |
253 | .read_idle_ctrl = 0x00050000, | |
254 | .zq_config = 0x50074BE4, | |
255 | .temp_alert_config = 0x0, | |
256 | .emif_ddr_phy_ctlr_1 = 0x0E004008, | |
257 | .emif_ddr_ext_phy_ctrl_1 = 0x08020080, | |
258 | .emif_ddr_ext_phy_ctrl_2 = 0x00000066, | |
259 | .emif_ddr_ext_phy_ctrl_3 = 0x00000091, | |
260 | .emif_ddr_ext_phy_ctrl_4 = 0x000000B9, | |
261 | .emif_ddr_ext_phy_ctrl_5 = 0x000000E6, | |
8038b497 CJF |
262 | .emif_rd_wr_exec_thresh = 0x80000405, |
263 | .emif_prio_class_serv_map = 0x80000001, | |
264 | .emif_connect_id_serv_1_map = 0x80000094, | |
265 | .emif_connect_id_serv_2_map = 0x00000000, | |
266 | .emif_cos_config = 0x000FFFFF | |
2c952111 FCJ |
267 | }; |
268 | ||
9cb9f333 FB |
269 | static const struct emif_regs ddr3_sk_emif_regs_400Mhz = { |
270 | .sdram_config = 0x638413b2, | |
271 | .sdram_config2 = 0x00000000, | |
272 | .ref_ctrl = 0x00000c30, | |
273 | .sdram_tim1 = 0xeaaad4db, | |
274 | .sdram_tim2 = 0x266b7fda, | |
275 | .sdram_tim3 = 0x107f8678, | |
276 | .read_idle_ctrl = 0x00050000, | |
277 | .zq_config = 0x50074be4, | |
278 | .temp_alert_config = 0x0, | |
279 | .emif_ddr_phy_ctlr_1 = 0x0e084008, | |
280 | .emif_ddr_ext_phy_ctrl_1 = 0x08020080, | |
281 | .emif_ddr_ext_phy_ctrl_2 = 0x89, | |
282 | .emif_ddr_ext_phy_ctrl_3 = 0x90, | |
283 | .emif_ddr_ext_phy_ctrl_4 = 0x8e, | |
284 | .emif_ddr_ext_phy_ctrl_5 = 0x8d, | |
285 | .emif_rd_wr_lvl_rmp_win = 0x0, | |
286 | .emif_rd_wr_lvl_rmp_ctl = 0x00000000, | |
287 | .emif_rd_wr_lvl_ctl = 0x00000000, | |
8038b497 CJF |
288 | .emif_rd_wr_exec_thresh = 0x80000000, |
289 | .emif_prio_class_serv_map = 0x80000001, | |
290 | .emif_connect_id_serv_1_map = 0x80000094, | |
291 | .emif_connect_id_serv_2_map = 0x00000000, | |
292 | .emif_cos_config = 0x000FFFFF | |
9cb9f333 FB |
293 | }; |
294 | ||
403d70ab FB |
295 | static const struct emif_regs ddr3_idk_emif_regs_400Mhz = { |
296 | .sdram_config = 0x61a11b32, | |
297 | .sdram_config2 = 0x00000000, | |
298 | .ref_ctrl = 0x00000c30, | |
299 | .sdram_tim1 = 0xeaaad4db, | |
300 | .sdram_tim2 = 0x266b7fda, | |
301 | .sdram_tim3 = 0x107f8678, | |
302 | .read_idle_ctrl = 0x00050000, | |
303 | .zq_config = 0x50074be4, | |
304 | .temp_alert_config = 0x00000000, | |
305 | .emif_ddr_phy_ctlr_1 = 0x00008009, | |
306 | .emif_ddr_ext_phy_ctrl_1 = 0x08020080, | |
307 | .emif_ddr_ext_phy_ctrl_2 = 0x00000040, | |
308 | .emif_ddr_ext_phy_ctrl_3 = 0x0000003e, | |
309 | .emif_ddr_ext_phy_ctrl_4 = 0x00000051, | |
310 | .emif_ddr_ext_phy_ctrl_5 = 0x00000051, | |
311 | .emif_rd_wr_lvl_rmp_win = 0x00000000, | |
312 | .emif_rd_wr_lvl_rmp_ctl = 0x00000000, | |
313 | .emif_rd_wr_lvl_ctl = 0x00000000, | |
314 | .emif_rd_wr_exec_thresh = 0x00000405, | |
315 | .emif_prio_class_serv_map = 0x00000000, | |
316 | .emif_connect_id_serv_1_map = 0x00000000, | |
317 | .emif_connect_id_serv_2_map = 0x00000000, | |
318 | .emif_cos_config = 0x00ffffff | |
319 | }; | |
320 | ||
cf04d032 LV |
321 | /* |
322 | * get_sys_clk_index : returns the index of the sys_clk read from | |
323 | * ctrl status register. This value is either | |
324 | * read from efuse or sysboot pins. | |
325 | */ | |
326 | static u32 get_sys_clk_index(void) | |
327 | { | |
328 | struct ctrl_stat *ctrl = (struct ctrl_stat *)CTRL_BASE; | |
329 | u32 ind = readl(&ctrl->statusreg), src; | |
330 | ||
331 | src = (ind & CTRL_CRYSTAL_FREQ_SRC_MASK) >> CTRL_CRYSTAL_FREQ_SRC_SHIFT; | |
332 | if (src == CTRL_CRYSTAL_FREQ_SRC_EFUSE) /* Value read from EFUSE */ | |
333 | return ((ind & CTRL_CRYSTAL_FREQ_SELECTION_MASK) >> | |
334 | CTRL_CRYSTAL_FREQ_SELECTION_SHIFT); | |
335 | else /* Value read from SYS BOOT pins */ | |
336 | return ((ind & CTRL_SYSBOOT_15_14_MASK) >> | |
337 | CTRL_SYSBOOT_15_14_SHIFT); | |
338 | } | |
339 | ||
e2a6207b JD |
340 | const struct dpll_params *get_dpll_ddr_params(void) |
341 | { | |
342 | int ind = get_sys_clk_index(); | |
343 | ||
344 | if (board_is_eposevm()) | |
345 | return &epos_evm_dpll_ddr[ind]; | |
346 | else if (board_is_gpevm() || board_is_sk()) | |
347 | return &gp_evm_dpll_ddr; | |
403d70ab FB |
348 | else if (board_is_idk()) |
349 | return &idk_dpll_ddr; | |
e2a6207b JD |
350 | |
351 | printf(" Board '%s' not supported\n", am43xx_board_name); | |
352 | return NULL; | |
353 | } | |
354 | ||
355 | ||
cf04d032 LV |
356 | /* |
357 | * get_opp_offset: | |
358 | * Returns the index for safest OPP of the device to boot. | |
359 | * max_off: Index of the MAX OPP in DEV ATTRIBUTE register. | |
360 | * min_off: Index of the MIN OPP in DEV ATTRIBUTE register. | |
361 | * This data is read from dev_attribute register which is e-fused. | |
362 | * A'1' in bit indicates OPP disabled and not available, a '0' indicates | |
363 | * OPP available. Lowest OPP starts with min_off. So returning the | |
364 | * bit with rightmost '0'. | |
365 | */ | |
366 | static int get_opp_offset(int max_off, int min_off) | |
367 | { | |
368 | struct ctrl_stat *ctrl = (struct ctrl_stat *)CTRL_BASE; | |
feca6e67 TR |
369 | int opp, offset, i; |
370 | ||
371 | /* Bits 0:11 are defined to be the MPU_MAX_FREQ */ | |
372 | opp = readl(&ctrl->dev_attr) & ~0xFFFFF000; | |
cf04d032 LV |
373 | |
374 | for (i = max_off; i >= min_off; i--) { | |
375 | offset = opp & (1 << i); | |
376 | if (!offset) | |
377 | return i; | |
378 | } | |
379 | ||
380 | return min_off; | |
381 | } | |
382 | ||
383 | const struct dpll_params *get_dpll_mpu_params(void) | |
384 | { | |
385 | int opp = get_opp_offset(DEV_ATTR_MAX_OFFSET, DEV_ATTR_MIN_OFFSET); | |
386 | u32 ind = get_sys_clk_index(); | |
387 | ||
388 | return &dpll_mpu[ind][opp]; | |
389 | } | |
390 | ||
391 | const struct dpll_params *get_dpll_core_params(void) | |
392 | { | |
393 | int ind = get_sys_clk_index(); | |
394 | ||
395 | return &dpll_core[ind]; | |
396 | } | |
397 | ||
398 | const struct dpll_params *get_dpll_per_params(void) | |
399 | { | |
400 | int ind = get_sys_clk_index(); | |
401 | ||
402 | return &dpll_per[ind]; | |
fbf2728d LV |
403 | } |
404 | ||
403d70ab | 405 | void scale_vcores_generic(u32 m) |
83bad102 | 406 | { |
83bad102 | 407 | int mpu_vdd; |
83bad102 TR |
408 | |
409 | if (i2c_probe(TPS65218_CHIP_PM)) | |
410 | return; | |
411 | ||
403d70ab | 412 | switch (m) { |
068ea0a8 | 413 | case 1000: |
83bad102 | 414 | mpu_vdd = TPS65218_DCDC_VOLT_SEL_1330MV; |
068ea0a8 | 415 | break; |
d5c082a3 FB |
416 | case 800: |
417 | mpu_vdd = TPS65218_DCDC_VOLT_SEL_1260MV; | |
418 | break; | |
419 | case 720: | |
420 | mpu_vdd = TPS65218_DCDC_VOLT_SEL_1200MV; | |
421 | break; | |
068ea0a8 | 422 | case 600: |
83bad102 | 423 | mpu_vdd = TPS65218_DCDC_VOLT_SEL_1100MV; |
068ea0a8 | 424 | break; |
d5c082a3 FB |
425 | case 300: |
426 | mpu_vdd = TPS65218_DCDC_VOLT_SEL_0950MV; | |
427 | break; | |
068ea0a8 | 428 | default: |
83bad102 TR |
429 | puts("Unknown MPU clock, not scaling\n"); |
430 | return; | |
431 | } | |
432 | ||
433 | /* Set DCDC1 (CORE) voltage to 1.1V */ | |
434 | if (tps65218_voltage_update(TPS65218_DCDC1, | |
435 | TPS65218_DCDC_VOLT_SEL_1100MV)) { | |
403d70ab | 436 | printf("%s failure\n", __func__); |
83bad102 TR |
437 | return; |
438 | } | |
439 | ||
440 | /* Set DCDC2 (MPU) voltage */ | |
441 | if (tps65218_voltage_update(TPS65218_DCDC2, mpu_vdd)) { | |
403d70ab | 442 | printf("%s failure\n", __func__); |
83bad102 TR |
443 | return; |
444 | } | |
445 | } | |
446 | ||
403d70ab FB |
447 | void scale_vcores_idk(u32 m) |
448 | { | |
449 | int mpu_vdd; | |
450 | ||
451 | if (i2c_probe(TPS62362_I2C_ADDR)) | |
452 | return; | |
453 | ||
454 | switch (m) { | |
455 | case 1000: | |
456 | mpu_vdd = TPS62362_DCDC_VOLT_SEL_1330MV; | |
457 | break; | |
458 | case 800: | |
459 | mpu_vdd = TPS62362_DCDC_VOLT_SEL_1260MV; | |
460 | break; | |
461 | case 720: | |
462 | mpu_vdd = TPS62362_DCDC_VOLT_SEL_1200MV; | |
463 | break; | |
464 | case 600: | |
465 | mpu_vdd = TPS62362_DCDC_VOLT_SEL_1100MV; | |
466 | break; | |
467 | case 300: | |
468 | mpu_vdd = TPS62362_DCDC_VOLT_SEL_1330MV; | |
469 | break; | |
470 | default: | |
471 | puts("Unknown MPU clock, not scaling\n"); | |
472 | return; | |
473 | } | |
474 | ||
475 | /* Set VDD_MPU voltage */ | |
476 | if (tps62362_voltage_update(TPS62362_SET3, mpu_vdd)) { | |
477 | printf("%s failure\n", __func__); | |
478 | return; | |
479 | } | |
480 | } | |
481 | ||
482 | void scale_vcores(void) | |
483 | { | |
484 | const struct dpll_params *mpu_params; | |
485 | struct am43xx_board_id header; | |
486 | ||
487 | enable_i2c0_pin_mux(); | |
488 | i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); | |
489 | if (read_eeprom(&header) < 0) | |
490 | puts("Could not get board ID.\n"); | |
491 | ||
492 | /* Get the frequency */ | |
493 | mpu_params = get_dpll_mpu_params(); | |
494 | ||
495 | if (board_is_idk()) | |
496 | scale_vcores_idk(mpu_params->m); | |
497 | else | |
498 | scale_vcores_generic(mpu_params->m); | |
499 | } | |
500 | ||
fbf2728d LV |
501 | void set_uart_mux_conf(void) |
502 | { | |
503 | enable_uart0_pin_mux(); | |
504 | } | |
505 | ||
506 | void set_mux_conf_regs(void) | |
507 | { | |
508 | enable_board_pin_mux(); | |
509 | } | |
510 | ||
b5e01eec LV |
511 | static void enable_vtt_regulator(void) |
512 | { | |
513 | u32 temp; | |
514 | ||
515 | /* enable module */ | |
cd8341b7 DG |
516 | writel(GPIO_CTRL_ENABLEMODULE, AM33XX_GPIO5_BASE + OMAP_GPIO_CTRL); |
517 | ||
518 | /* enable output for GPIO5_7 */ | |
519 | writel(GPIO_SETDATAOUT(7), | |
520 | AM33XX_GPIO5_BASE + OMAP_GPIO_SETDATAOUT); | |
521 | temp = readl(AM33XX_GPIO5_BASE + OMAP_GPIO_OE); | |
522 | temp = temp & ~(GPIO_OE_ENABLE(7)); | |
523 | writel(temp, AM33XX_GPIO5_BASE + OMAP_GPIO_OE); | |
b5e01eec LV |
524 | } |
525 | ||
fbf2728d LV |
526 | void sdram_init(void) |
527 | { | |
b5e01eec LV |
528 | /* |
529 | * EPOS EVM has 1GB LPDDR2 connected to EMIF. | |
530 | * GP EMV has 1GB DDR3 connected to EMIF | |
531 | * along with VTT regulator. | |
532 | */ | |
533 | if (board_is_eposevm()) { | |
534 | config_ddr(0, &ioregs_lpddr2, NULL, NULL, &emif_regs_lpddr2, 0); | |
2c952111 FCJ |
535 | } else if (board_is_evm_14_or_later()) { |
536 | enable_vtt_regulator(); | |
537 | config_ddr(0, &ioregs_ddr3, NULL, NULL, | |
538 | &ddr3_emif_regs_400Mhz_production, 0); | |
539 | } else if (board_is_evm_12_or_later()) { | |
540 | enable_vtt_regulator(); | |
541 | config_ddr(0, &ioregs_ddr3, NULL, NULL, | |
542 | &ddr3_emif_regs_400Mhz_beta, 0); | |
b5e01eec LV |
543 | } else if (board_is_gpevm()) { |
544 | enable_vtt_regulator(); | |
545 | config_ddr(0, &ioregs_ddr3, NULL, NULL, | |
546 | &ddr3_emif_regs_400Mhz, 0); | |
9cb9f333 FB |
547 | } else if (board_is_sk()) { |
548 | config_ddr(400, &ioregs_ddr3, NULL, NULL, | |
549 | &ddr3_sk_emif_regs_400Mhz, 0); | |
403d70ab FB |
550 | } else if (board_is_idk()) { |
551 | config_ddr(400, &ioregs_ddr3, NULL, NULL, | |
552 | &ddr3_idk_emif_regs_400Mhz, 0); | |
b5e01eec | 553 | } |
fbf2728d LV |
554 | } |
555 | #endif | |
556 | ||
7aa5598a TR |
557 | /* setup board specific PMIC */ |
558 | int power_init_board(void) | |
559 | { | |
560 | struct pmic *p; | |
561 | ||
403d70ab FB |
562 | if (board_is_idk()) { |
563 | power_tps62362_init(I2C_PMIC); | |
564 | p = pmic_get("TPS62362"); | |
565 | if (p && !pmic_probe(p)) | |
566 | puts("PMIC: TPS62362\n"); | |
567 | } else { | |
568 | power_tps65218_init(I2C_PMIC); | |
569 | p = pmic_get("TPS65218_PMIC"); | |
570 | if (p && !pmic_probe(p)) | |
571 | puts("PMIC: TPS65218\n"); | |
572 | } | |
7aa5598a TR |
573 | |
574 | return 0; | |
575 | } | |
576 | ||
fbf2728d LV |
577 | int board_init(void) |
578 | { | |
8038b497 CJF |
579 | struct l3f_cfg_bwlimiter *bwlimiter = (struct l3f_cfg_bwlimiter *)L3F_CFG_BWLIMITER; |
580 | u32 mreqprio_0, mreqprio_1, modena_init0_bw_fractional, | |
581 | modena_init0_bw_integer, modena_init0_watermark_0; | |
582 | ||
369cbe1e | 583 | gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; |
e53ad4b4 | 584 | gpmc_init(); |
fbf2728d | 585 | |
8038b497 CJF |
586 | /* Clear all important bits for DSS errata that may need to be tweaked*/ |
587 | mreqprio_0 = readl(&cdev->mreqprio_0) & MREQPRIO_0_SAB_INIT1_MASK & | |
588 | MREQPRIO_0_SAB_INIT0_MASK; | |
589 | ||
590 | mreqprio_1 = readl(&cdev->mreqprio_1) & MREQPRIO_1_DSS_MASK; | |
591 | ||
592 | modena_init0_bw_fractional = readl(&bwlimiter->modena_init0_bw_fractional) & | |
593 | BW_LIMITER_BW_FRAC_MASK; | |
594 | ||
595 | modena_init0_bw_integer = readl(&bwlimiter->modena_init0_bw_integer) & | |
596 | BW_LIMITER_BW_INT_MASK; | |
597 | ||
598 | modena_init0_watermark_0 = readl(&bwlimiter->modena_init0_watermark_0) & | |
599 | BW_LIMITER_BW_WATERMARK_MASK; | |
600 | ||
601 | /* Setting MReq Priority of the DSS*/ | |
602 | mreqprio_0 |= 0x77; | |
603 | ||
604 | /* | |
605 | * Set L3 Fast Configuration Register | |
606 | * Limiting bandwith for ARM core to 700 MBPS | |
607 | */ | |
608 | modena_init0_bw_fractional |= 0x10; | |
609 | modena_init0_bw_integer |= 0x3; | |
610 | ||
611 | writel(mreqprio_0, &cdev->mreqprio_0); | |
612 | writel(mreqprio_1, &cdev->mreqprio_1); | |
613 | ||
614 | writel(modena_init0_bw_fractional, &bwlimiter->modena_init0_bw_fractional); | |
615 | writel(modena_init0_bw_integer, &bwlimiter->modena_init0_bw_integer); | |
616 | writel(modena_init0_watermark_0, &bwlimiter->modena_init0_watermark_0); | |
617 | ||
fbf2728d LV |
618 | return 0; |
619 | } | |
620 | ||
621 | #ifdef CONFIG_BOARD_LATE_INIT | |
622 | int board_late_init(void) | |
623 | { | |
f4af163e SN |
624 | #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG |
625 | char safe_string[HDR_NAME_LEN + 1]; | |
626 | struct am43xx_board_id header; | |
627 | ||
628 | if (read_eeprom(&header) < 0) | |
629 | puts("Could not get board ID.\n"); | |
630 | ||
631 | /* Now set variables based on the header. */ | |
632 | strncpy(safe_string, (char *)header.name, sizeof(header.name)); | |
633 | safe_string[sizeof(header.name)] = 0; | |
634 | setenv("board_name", safe_string); | |
635 | ||
636 | strncpy(safe_string, (char *)header.version, sizeof(header.version)); | |
637 | safe_string[sizeof(header.version)] = 0; | |
638 | setenv("board_rev", safe_string); | |
639 | #endif | |
fbf2728d LV |
640 | return 0; |
641 | } | |
642 | #endif | |
4cdd7fda | 643 | |
9f81eb77 KVA |
644 | #ifdef CONFIG_USB_DWC3 |
645 | static struct dwc3_device usb_otg_ss1 = { | |
646 | .maximum_speed = USB_SPEED_HIGH, | |
647 | .base = USB_OTG_SS1_BASE, | |
648 | .tx_fifo_resize = false, | |
649 | .index = 0, | |
650 | }; | |
651 | ||
652 | static struct dwc3_omap_device usb_otg_ss1_glue = { | |
653 | .base = (void *)USB_OTG_SS1_GLUE_BASE, | |
654 | .utmi_mode = DWC3_OMAP_UTMI_MODE_SW, | |
655 | .vbus_id_status = OMAP_DWC3_VBUS_VALID, | |
656 | .index = 0, | |
657 | }; | |
658 | ||
659 | static struct ti_usb_phy_device usb_phy1_device = { | |
660 | .usb2_phy_power = (void *)USB2_PHY1_POWER, | |
661 | .index = 0, | |
662 | }; | |
663 | ||
664 | static struct dwc3_device usb_otg_ss2 = { | |
665 | .maximum_speed = USB_SPEED_HIGH, | |
666 | .base = USB_OTG_SS2_BASE, | |
667 | .tx_fifo_resize = false, | |
668 | .index = 1, | |
669 | }; | |
670 | ||
671 | static struct dwc3_omap_device usb_otg_ss2_glue = { | |
672 | .base = (void *)USB_OTG_SS2_GLUE_BASE, | |
673 | .utmi_mode = DWC3_OMAP_UTMI_MODE_SW, | |
674 | .vbus_id_status = OMAP_DWC3_VBUS_VALID, | |
675 | .index = 1, | |
676 | }; | |
677 | ||
678 | static struct ti_usb_phy_device usb_phy2_device = { | |
679 | .usb2_phy_power = (void *)USB2_PHY2_POWER, | |
680 | .index = 1, | |
681 | }; | |
682 | ||
683 | int board_usb_init(int index, enum usb_init_type init) | |
684 | { | |
685 | switch (index) { | |
686 | case 0: | |
687 | if (init == USB_INIT_DEVICE) { | |
688 | usb_otg_ss1.dr_mode = USB_DR_MODE_PERIPHERAL; | |
689 | usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID; | |
690 | } else { | |
691 | usb_otg_ss1.dr_mode = USB_DR_MODE_HOST; | |
692 | usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_ID_GROUND; | |
693 | } | |
694 | ||
695 | dwc3_omap_uboot_init(&usb_otg_ss1_glue); | |
696 | ti_usb_phy_uboot_init(&usb_phy1_device); | |
697 | dwc3_uboot_init(&usb_otg_ss1); | |
698 | break; | |
699 | case 1: | |
700 | if (init == USB_INIT_DEVICE) { | |
701 | usb_otg_ss2.dr_mode = USB_DR_MODE_PERIPHERAL; | |
702 | usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID; | |
703 | } else { | |
704 | usb_otg_ss2.dr_mode = USB_DR_MODE_HOST; | |
705 | usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_ID_GROUND; | |
706 | } | |
707 | ||
708 | ti_usb_phy_uboot_init(&usb_phy2_device); | |
709 | dwc3_omap_uboot_init(&usb_otg_ss2_glue); | |
710 | dwc3_uboot_init(&usb_otg_ss2); | |
711 | break; | |
712 | default: | |
713 | printf("Invalid Controller Index\n"); | |
714 | } | |
715 | ||
716 | return 0; | |
717 | } | |
718 | ||
719 | int board_usb_cleanup(int index, enum usb_init_type init) | |
720 | { | |
721 | switch (index) { | |
722 | case 0: | |
723 | case 1: | |
724 | ti_usb_phy_uboot_exit(index); | |
725 | dwc3_uboot_exit(index); | |
726 | dwc3_omap_uboot_exit(index); | |
727 | break; | |
728 | default: | |
729 | printf("Invalid Controller Index\n"); | |
730 | } | |
731 | ||
732 | return 0; | |
733 | } | |
734 | ||
2d48aa69 | 735 | int usb_gadget_handle_interrupts(int index) |
9f81eb77 KVA |
736 | { |
737 | u32 status; | |
738 | ||
2d48aa69 | 739 | status = dwc3_omap_uboot_interrupt_status(index); |
9f81eb77 | 740 | if (status) |
2d48aa69 | 741 | dwc3_uboot_handle_interrupt(index); |
9f81eb77 KVA |
742 | |
743 | return 0; | |
744 | } | |
745 | #endif | |
746 | ||
4cdd7fda M |
747 | #ifdef CONFIG_DRIVER_TI_CPSW |
748 | ||
749 | static void cpsw_control(int enabled) | |
750 | { | |
751 | /* Additional controls can be added here */ | |
752 | return; | |
753 | } | |
754 | ||
755 | static struct cpsw_slave_data cpsw_slaves[] = { | |
756 | { | |
757 | .slave_reg_ofs = 0x208, | |
758 | .sliver_reg_ofs = 0xd80, | |
759 | .phy_addr = 16, | |
760 | }, | |
761 | { | |
762 | .slave_reg_ofs = 0x308, | |
763 | .sliver_reg_ofs = 0xdc0, | |
764 | .phy_addr = 1, | |
765 | }, | |
766 | }; | |
767 | ||
768 | static struct cpsw_platform_data cpsw_data = { | |
769 | .mdio_base = CPSW_MDIO_BASE, | |
770 | .cpsw_base = CPSW_BASE, | |
771 | .mdio_div = 0xff, | |
772 | .channels = 8, | |
773 | .cpdma_reg_ofs = 0x800, | |
774 | .slaves = 1, | |
775 | .slave_data = cpsw_slaves, | |
776 | .ale_reg_ofs = 0xd00, | |
777 | .ale_entries = 1024, | |
778 | .host_port_reg_ofs = 0x108, | |
779 | .hw_stats_reg_ofs = 0x900, | |
780 | .bd_ram_ofs = 0x2000, | |
781 | .mac_control = (1 << 5), | |
782 | .control = cpsw_control, | |
783 | .host_port_num = 0, | |
784 | .version = CPSW_CTRL_VERSION_2, | |
785 | }; | |
786 | ||
787 | int board_eth_init(bd_t *bis) | |
788 | { | |
789 | int rv; | |
790 | uint8_t mac_addr[6]; | |
791 | uint32_t mac_hi, mac_lo; | |
792 | ||
793 | /* try reading mac address from efuse */ | |
794 | mac_lo = readl(&cdev->macid0l); | |
795 | mac_hi = readl(&cdev->macid0h); | |
796 | mac_addr[0] = mac_hi & 0xFF; | |
797 | mac_addr[1] = (mac_hi & 0xFF00) >> 8; | |
798 | mac_addr[2] = (mac_hi & 0xFF0000) >> 16; | |
799 | mac_addr[3] = (mac_hi & 0xFF000000) >> 24; | |
800 | mac_addr[4] = mac_lo & 0xFF; | |
801 | mac_addr[5] = (mac_lo & 0xFF00) >> 8; | |
802 | ||
803 | if (!getenv("ethaddr")) { | |
804 | puts("<ethaddr> not set. Validating first E-fuse MAC\n"); | |
0adb5b76 | 805 | if (is_valid_ethaddr(mac_addr)) |
4cdd7fda M |
806 | eth_setenv_enetaddr("ethaddr", mac_addr); |
807 | } | |
808 | ||
809 | mac_lo = readl(&cdev->macid1l); | |
810 | mac_hi = readl(&cdev->macid1h); | |
811 | mac_addr[0] = mac_hi & 0xFF; | |
812 | mac_addr[1] = (mac_hi & 0xFF00) >> 8; | |
813 | mac_addr[2] = (mac_hi & 0xFF0000) >> 16; | |
814 | mac_addr[3] = (mac_hi & 0xFF000000) >> 24; | |
815 | mac_addr[4] = mac_lo & 0xFF; | |
816 | mac_addr[5] = (mac_lo & 0xFF00) >> 8; | |
817 | ||
818 | if (!getenv("eth1addr")) { | |
0adb5b76 | 819 | if (is_valid_ethaddr(mac_addr)) |
4cdd7fda M |
820 | eth_setenv_enetaddr("eth1addr", mac_addr); |
821 | } | |
822 | ||
823 | if (board_is_eposevm()) { | |
824 | writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel); | |
825 | cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII; | |
826 | cpsw_slaves[0].phy_addr = 16; | |
619ce62d FB |
827 | } else if (board_is_sk()) { |
828 | writel(RGMII_MODE_ENABLE, &cdev->miisel); | |
829 | cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII; | |
830 | cpsw_slaves[0].phy_addr = 4; | |
831 | cpsw_slaves[1].phy_addr = 5; | |
403d70ab FB |
832 | } else if (board_is_idk()) { |
833 | writel(RGMII_MODE_ENABLE, &cdev->miisel); | |
834 | cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII; | |
835 | cpsw_slaves[0].phy_addr = 0; | |
4cdd7fda M |
836 | } else { |
837 | writel(RGMII_MODE_ENABLE, &cdev->miisel); | |
838 | cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII; | |
839 | cpsw_slaves[0].phy_addr = 0; | |
840 | } | |
841 | ||
842 | rv = cpsw_register(&cpsw_data); | |
843 | if (rv < 0) | |
844 | printf("Error %d registering CPSW switch\n", rv); | |
845 | ||
846 | return rv; | |
847 | } | |
848 | #endif |