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10#include <common.h>
11#include <dm.h>
12#include <fdt_support.h>
13#include <image.h>
14#include <init.h>
15#include <net.h>
16#include <asm/arch/sys_proto.h>
17#include <asm/arch/hardware.h>
18#include <asm/global_data.h>
19#include <asm/gpio.h>
20#include <asm/io.h>
21#include <asm/omap_common.h>
22#include <env.h>
23#include <spl.h>
24#include <asm/arch/sys_proto.h>
25
26#include "../common/board_detect.h"
27
28#define board_is_am65x_base_board() board_ti_is("AM6-COMPROCEVM")
29
30
31enum {
32 AM65X_EVM_APP_BRD_DET,
33 AM65X_EVM_LCD_BRD_DET,
34 AM65X_EVM_SERDES_BRD_DET,
35 AM65X_EVM_HDMI_GPMC_BRD_DET,
36 AM65X_EVM_BRD_DET_COUNT,
37};
38
39
40#define DAUGHTER_CARD_NO_OF_MAC_ADDR 8
41
42
43#define CTRLMMR_SERDES0_CTRL 0x00104080
44#define PCIE_LANE0 0x1
45
46DECLARE_GLOBAL_DATA_PTR;
47
48int board_init(void)
49{
50 return 0;
51}
52
53int dram_init(void)
54{
55#ifdef CONFIG_PHYS_64BIT
56 gd->ram_size = 0x100000000;
57#else
58 gd->ram_size = 0x80000000;
59#endif
60
61 return 0;
62}
63
64ulong board_get_usable_ram_top(ulong total_size)
65{
66#ifdef CONFIG_PHYS_64BIT
67
68 if (gd->ram_top > 0x100000000)
69 return 0x100000000;
70#endif
71
72 return gd->ram_top;
73}
74
75int dram_init_banksize(void)
76{
77
78 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
79 gd->bd->bi_dram[0].size = 0x80000000;
80 gd->ram_size = 0x80000000;
81
82#ifdef CONFIG_PHYS_64BIT
83
84 gd->bd->bi_dram[1].start = CONFIG_SYS_SDRAM_BASE1;
85 gd->bd->bi_dram[1].size = 0x80000000;
86 gd->ram_size = 0x100000000;
87#endif
88
89 return 0;
90}
91
92#ifdef CONFIG_SPL_LOAD_FIT
93int board_fit_config_name_match(const char *name)
94{
95#ifdef CONFIG_TARGET_AM654_A53_EVM
96 if (!strcmp(name, "k3-am654-base-board"))
97 return 0;
98#endif
99
100 return -1;
101}
102#endif
103
104#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
105int ft_board_setup(void *blob, struct bd_info *bd)
106{
107 int ret;
108
109 ret = fdt_fixup_msmc_ram(blob, "/bus@100000", "sram@70000000");
110 if (ret < 0)
111 ret = fdt_fixup_msmc_ram(blob, "/interconnect@100000",
112 "sram@70000000");
113 if (ret) {
114 printf("%s: fixing up msmc ram failed %d\n", __func__, ret);
115 return ret;
116 }
117
118#if defined(CONFIG_TI_SECURE_DEVICE)
119
120 ret = fdt_disable_node(blob, "/bus@100000/crypto@4e00000");
121 if (ret < 0)
122 ret = fdt_disable_node(blob,
123 "/interconnect@100000/crypto@4E00000");
124 if (ret)
125 printf("%s: disabling SA2UL failed %d\n", __func__, ret);
126#endif
127
128 return 0;
129}
130#endif
131
132#ifdef CONFIG_TI_I2C_BOARD_DETECT
133int do_board_detect(void)
134{
135 int ret;
136
137 ret = ti_i2c_eeprom_am6_get_base(CONFIG_EEPROM_BUS_ADDRESS,
138 CONFIG_EEPROM_CHIP_ADDRESS);
139 if (ret)
140 pr_err("Reading on-board EEPROM at 0x%02x failed %d\n",
141 CONFIG_EEPROM_CHIP_ADDRESS, ret);
142
143 return ret;
144}
145
146int checkboard(void)
147{
148 struct ti_am6_eeprom *ep = TI_AM6_EEPROM_DATA;
149
150 if (do_board_detect())
151
152 printf("Board: %s rev %s\n", "AM6-COMPROCEVM", "E3");
153 else
154 printf("Board: %s rev %s\n", ep->name, ep->version);
155
156 return 0;
157}
158
159static void setup_board_eeprom_env(void)
160{
161 char *name = "am65x";
162
163 if (do_board_detect())
164 goto invalid_eeprom;
165
166 if (board_is_am65x_base_board())
167 name = "am65x";
168 else
169 printf("Unidentified board claims %s in eeprom header\n",
170 board_ti_get_name());
171
172invalid_eeprom:
173 set_board_info_env_am6(name);
174}
175
176static int init_daughtercard_det_gpio(char *gpio_name, struct gpio_desc *desc)
177{
178 int ret;
179
180 memset(desc, 0, sizeof(*desc));
181
182 ret = dm_gpio_lookup_name(gpio_name, desc);
183 if (ret < 0)
184 return ret;
185
186
187 ret = dm_gpio_request(desc, gpio_name);
188 if (ret < 0)
189 return ret;
190
191 return dm_gpio_set_dir_flags(desc, GPIOD_IS_IN);
192}
193
194static int probe_daughtercards(void)
195{
196 struct ti_am6_eeprom ep;
197 struct gpio_desc board_det_gpios[AM65X_EVM_BRD_DET_COUNT];
198 char mac_addr[DAUGHTER_CARD_NO_OF_MAC_ADDR][TI_EEPROM_HDR_ETH_ALEN];
199 u8 mac_addr_cnt;
200 char name_overlays[1024] = { 0 };
201 int i, j;
202 int ret;
203
204
205
206
207
208 const struct {
209 char *gpio_name;
210 u8 i2c_addr;
211 } slot_map[AM65X_EVM_BRD_DET_COUNT] = {
212 { "gpio@38_0", 0x52, },
213 { "gpio@38_1", 0x55, },
214 { "gpio@38_2", 0x54, },
215 { "gpio@38_3", 0x53, },
216 };
217
218
219 const struct {
220 u8 slot_index;
221 char *card_name;
222 char *dtbo_name;
223 u8 eth_offset;
224 } cards[] = {
225 {
226 AM65X_EVM_APP_BRD_DET,
227 "AM6-GPAPPEVM",
228 "k3-am654-gp.dtbo",
229 0,
230 },
231 {
232 AM65X_EVM_APP_BRD_DET,
233 "AM6-IDKAPPEVM",
234 "k3-am654-idk.dtbo",
235 3,
236 },
237 {
238 AM65X_EVM_SERDES_BRD_DET,
239 "SER-PCIE2LEVM",
240 "k3-am654-pcie-usb2.dtbo",
241 0,
242 },
243 {
244 AM65X_EVM_SERDES_BRD_DET,
245 "SER-PCIEUSBEVM",
246 "k3-am654-pcie-usb3.dtbo",
247 0,
248 },
249 {
250 AM65X_EVM_LCD_BRD_DET,
251 "OLDI-LCD1EVM",
252 "k3-am654-evm-oldi-lcd1evm.dtbo",
253 0,
254 },
255 };
256
257
258
259
260
261 for (i = 0; i < AM65X_EVM_BRD_DET_COUNT; i++) {
262 ret = init_daughtercard_det_gpio(slot_map[i].gpio_name,
263 &board_det_gpios[i]);
264 if (ret < 0)
265 return ret;
266 }
267
268 for (i = 0; i < ARRAY_SIZE(cards); i++) {
269
270 u8 slot_index = cards[i].slot_index;
271 u8 i2c_addr = slot_map[slot_index].i2c_addr;
272
273
274
275
276
277 ret = dm_gpio_get_value(&board_det_gpios[slot_index]);
278 if (ret < 0)
279 return ret;
280 else if (ret)
281 continue;
282
283
284 ret = ti_i2c_eeprom_am6_get(CONFIG_EEPROM_BUS_ADDRESS, i2c_addr,
285 &ep,
286 (char **)mac_addr,
287 DAUGHTER_CARD_NO_OF_MAC_ADDR,
288 &mac_addr_cnt);
289 if (ret) {
290 pr_err("Reading daughtercard EEPROM at 0x%02x failed %d\n",
291 i2c_addr, ret);
292
293
294
295
296
297 continue;
298 }
299
300
301 if (strncmp(ep.name, cards[i].card_name, sizeof(ep.name)))
302 continue;
303
304 printf("Detected: %s rev %s\n", ep.name, ep.version);
305
306
307
308
309
310
311
312 for (j = 0; j < mac_addr_cnt; j++) {
313 if (!is_valid_ethaddr((u8 *)mac_addr[j]))
314 continue;
315
316 eth_env_set_enetaddr_by_index("eth",
317 cards[i].eth_offset + j,
318 (uchar *)mac_addr[j]);
319 }
320
321
322
323
324
325
326
327
328
329
330 if (!strncmp(ep.name, "SER-PCIE2LEVM", sizeof(ep.name)))
331 writel(PCIE_LANE0, CTRLMMR_SERDES0_CTRL);
332
333
334 if (!strlen(cards[i].dtbo_name))
335 continue;
336
337
338
339
340
341
342 if (strlen(name_overlays) + strlen(cards[i].dtbo_name) + 2 >
343 sizeof(name_overlays))
344 return -ENOMEM;
345
346
347 strcat(name_overlays, cards[i].dtbo_name);
348 strcat(name_overlays, " ");
349 }
350
351
352 if (strlen(name_overlays))
353 return env_set("name_overlays", name_overlays);
354
355 return 0;
356}
357#endif
358
359int board_late_init(void)
360{
361 if (IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT)) {
362 struct ti_am6_eeprom *ep = TI_AM6_EEPROM_DATA;
363
364 setup_board_eeprom_env();
365
366
367
368
369
370
371
372 board_ti_am6_set_ethaddr(1, ep->mac_addr_cnt);
373
374
375 probe_daughtercards();
376 }
377
378 return 0;
379}
380