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19#include <common.h>
20#include <dm.h>
21#include <spl.h>
22#include <asm/io.h>
23#include <asm/arch/sys_proto.h>
24#include <asm/arch/mem.h>
25#include <asm/cache.h>
26#include <asm/armv7.h>
27#include <asm/gpio.h>
28#include <asm/omap_common.h>
29#include <linux/compiler.h>
30
31DECLARE_GLOBAL_DATA_PTR;
32
33
34extern omap3_sysinfo sysinfo;
35#ifndef CONFIG_SYS_L2CACHE_OFF
36static void omap3_invalidate_l2_cache_secure(void);
37#endif
38
39#ifdef CONFIG_DM_GPIO
40static const struct omap_gpio_platdata omap34xx_gpio[] = {
41 { 0, OMAP34XX_GPIO1_BASE },
42 { 1, OMAP34XX_GPIO2_BASE },
43 { 2, OMAP34XX_GPIO3_BASE },
44 { 3, OMAP34XX_GPIO4_BASE },
45 { 4, OMAP34XX_GPIO5_BASE },
46 { 5, OMAP34XX_GPIO6_BASE },
47};
48
49U_BOOT_DEVICES(omap34xx_gpios) = {
50 { "gpio_omap", &omap34xx_gpio[0] },
51 { "gpio_omap", &omap34xx_gpio[1] },
52 { "gpio_omap", &omap34xx_gpio[2] },
53 { "gpio_omap", &omap34xx_gpio[3] },
54 { "gpio_omap", &omap34xx_gpio[4] },
55 { "gpio_omap", &omap34xx_gpio[5] },
56};
57
58#else
59
60static const struct gpio_bank gpio_bank_34xx[6] = {
61 { (void *)OMAP34XX_GPIO1_BASE },
62 { (void *)OMAP34XX_GPIO2_BASE },
63 { (void *)OMAP34XX_GPIO3_BASE },
64 { (void *)OMAP34XX_GPIO4_BASE },
65 { (void *)OMAP34XX_GPIO5_BASE },
66 { (void *)OMAP34XX_GPIO6_BASE },
67};
68
69const struct gpio_bank *const omap_gpio_bank = gpio_bank_34xx;
70
71#endif
72
73
74
75
76
77
78void secure_unlock_mem(void)
79{
80 struct pm *pm_rt_ape_base = (struct pm *)PM_RT_APE_BASE_ADDR_ARM;
81 struct pm *pm_gpmc_base = (struct pm *)PM_GPMC_BASE_ADDR_ARM;
82 struct pm *pm_ocm_ram_base = (struct pm *)PM_OCM_RAM_BASE_ADDR_ARM;
83 struct pm *pm_iva2_base = (struct pm *)PM_IVA2_BASE_ADDR_ARM;
84 struct sms *sms_base = (struct sms *)OMAP34XX_SMS_BASE;
85
86
87 writel(UNLOCK_1, &pm_rt_ape_base->req_info_permission_1);
88 writel(UNLOCK_1, &pm_rt_ape_base->read_permission_0);
89 writel(UNLOCK_1, &pm_rt_ape_base->wirte_permission_0);
90 writel(UNLOCK_2, &pm_rt_ape_base->addr_match_1);
91
92 writel(UNLOCK_3, &pm_gpmc_base->req_info_permission_0);
93 writel(UNLOCK_3, &pm_gpmc_base->read_permission_0);
94 writel(UNLOCK_3, &pm_gpmc_base->wirte_permission_0);
95
96 writel(UNLOCK_3, &pm_ocm_ram_base->req_info_permission_0);
97 writel(UNLOCK_3, &pm_ocm_ram_base->read_permission_0);
98 writel(UNLOCK_3, &pm_ocm_ram_base->wirte_permission_0);
99 writel(UNLOCK_2, &pm_ocm_ram_base->addr_match_2);
100
101
102 writel(UNLOCK_3, &pm_iva2_base->req_info_permission_0);
103 writel(UNLOCK_3, &pm_iva2_base->read_permission_0);
104 writel(UNLOCK_3, &pm_iva2_base->wirte_permission_0);
105
106
107 writel(UNLOCK_1, &sms_base->rg_att0);
108}
109
110
111
112
113
114
115
116void secureworld_exit(void)
117{
118 unsigned long i;
119
120
121 __asm__ __volatile__("mrc p15, 0, %0, c1, c1, 2":"=r"(i));
122
123 __asm__ __volatile__("orr %0, %0, #0xC00":"=r"(i));
124
125
126
127
128 __asm__ __volatile__("orr %0, %0, #0x70000":"=r"(i));
129 __asm__ __volatile__("mcr p15, 0, %0, c1, c1, 2":"=r"(i));
130
131
132 __asm__ __volatile__("mrc p15, 0, %0, c1, c0, 1":"=r"(i));
133 __asm__ __volatile__("orr %0, %0, #0x10":"=r"(i));
134 __asm__ __volatile__("mcr p15, 0, %0, c1, c0, 1":"=r"(i));
135
136
137 __asm__ __volatile__("mrc p15, 0, %0, c1, c1, 0":"=r"(i));
138 __asm__ __volatile__("orr %0, %0, #0x31":"=r"(i));
139 __asm__ __volatile__("mcr p15, 0, %0, c1, c1, 0":"=r"(i));
140}
141
142
143
144
145
146
147void try_unlock_memory(void)
148{
149 int mode;
150 int in_sdram = is_running_in_sdram();
151
152
153
154
155
156 mode = get_device_type();
157 if (mode == GP_DEVICE)
158 secure_unlock_mem();
159
160
161
162
163
164
165
166
167 if ((mode <= EMU_DEVICE) && (get_boot_type() == 0x1F)
168 && (!in_sdram)) {
169 secure_unlock_mem();
170 secureworld_exit();
171 }
172
173 return;
174}
175
176void early_system_init(void)
177{
178 hw_data_init();
179}
180
181
182
183
184
185
186void s_init(void)
187{
188 watchdog_init();
189 early_system_init();
190
191 try_unlock_memory();
192
193#ifndef CONFIG_SYS_L2CACHE_OFF
194
195 omap3_invalidate_l2_cache_secure();
196#endif
197
198 set_muxconf_regs();
199 sdelay(100);
200
201 prcm_init();
202
203 per_clocks_enable();
204
205#ifdef CONFIG_USB_EHCI_OMAP
206 ehci_clocks_enable();
207#endif
208}
209
210#ifdef CONFIG_SPL_BUILD
211void board_init_f(ulong dummy)
212{
213 early_system_init();
214 mem_init();
215}
216#endif
217
218
219
220
221
222int __weak misc_init_r(void)
223{
224 omap_die_id_display();
225
226 return 0;
227}
228
229
230
231
232
233static void wait_for_command_complete(struct watchdog *wd_base)
234{
235 int pending = 1;
236 do {
237 pending = readl(&wd_base->wwps);
238 } while (pending);
239}
240
241
242
243
244
245void watchdog_init(void)
246{
247 struct watchdog *wd2_base = (struct watchdog *)WD2_BASE;
248 struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
249
250
251
252
253
254
255
256
257 setbits_le32(&prcm_base->fclken_wkup, 0x20);
258 setbits_le32(&prcm_base->iclken_wkup, 0x20);
259 wait_on_value(ST_WDT2, 0x20, &prcm_base->idlest_wkup, 5);
260
261 writel(WD_UNLOCK1, &wd2_base->wspr);
262 wait_for_command_complete(wd2_base);
263 writel(WD_UNLOCK2, &wd2_base->wspr);
264}
265
266
267
268
269void abort(void)
270{
271}
272
273#if defined(CONFIG_NAND_OMAP_GPMC) & !defined(CONFIG_SPL_BUILD)
274
275
276
277static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
278{
279 int hw, strength = 1;
280
281 if (argc < 2 || argc > 3)
282 goto usage;
283
284 if (strncmp(argv[1], "hw", 2) == 0) {
285 hw = 1;
286 if (argc == 3) {
287 if (strncmp(argv[2], "bch8", 4) == 0)
288 strength = 8;
289 else if (strncmp(argv[2], "bch16", 5) == 0)
290 strength = 16;
291 else if (strncmp(argv[2], "hamming", 7) != 0)
292 goto usage;
293 }
294 } else if (strncmp(argv[1], "sw", 2) == 0) {
295 hw = 0;
296 if (argc == 3) {
297 if (strncmp(argv[2], "bch8", 4) == 0)
298 strength = 8;
299 else if (strncmp(argv[2], "hamming", 7) != 0)
300 goto usage;
301 }
302 } else {
303 goto usage;
304 }
305
306 return -omap_nand_switch_ecc(hw, strength);
307
308usage:
309 printf ("Usage: nandecc %s\n", cmdtp->usage);
310 return 1;
311}
312
313U_BOOT_CMD(
314 nandecc, 3, 1, do_switch_ecc,
315 "switch OMAP3 NAND ECC calculation algorithm",
316 "hw [hamming|bch8|bch16] - Switch between NAND hardware 1-bit hamming"
317 " and 8-bit/16-bit BCH\n"
318 " ecc calculation (second parameter may"
319 " be omitted).\n"
320 "nandecc sw - Switch to NAND software ecc algorithm."
321);
322
323#endif
324
325#ifdef CONFIG_DISPLAY_BOARDINFO
326
327
328
329int checkboard (void)
330{
331 char *mem_s ;
332
333 if (is_mem_sdr())
334 mem_s = "mSDR";
335 else
336 mem_s = "LPDDR";
337
338 printf("%s + %s/%s\n", sysinfo.board_string, mem_s,
339 sysinfo.nand_string);
340
341 return 0;
342}
343#endif
344
345static void omap3_emu_romcode_call(u32 service_id, u32 *parameters)
346{
347 u32 i, num_params = *parameters;
348 u32 *sram_scratch_space = (u32 *)OMAP3_PUBLIC_SRAM_SCRATCH_AREA;
349
350
351
352
353
354 for (i = 0; i < num_params; i++) {
355 __raw_writel(*parameters, sram_scratch_space);
356 parameters++;
357 sram_scratch_space++;
358 }
359
360
361 do_omap3_emu_romcode_call(service_id, OMAP3_PUBLIC_SRAM_SCRATCH_AREA);
362}
363
364void __weak omap3_set_aux_cr_secure(u32 acr)
365{
366 struct emu_hal_params emu_romcode_params;
367
368 emu_romcode_params.num_params = 1;
369 emu_romcode_params.param1 = acr;
370 omap3_emu_romcode_call(OMAP3_EMU_HAL_API_WRITE_ACR,
371 (u32 *)&emu_romcode_params);
372}
373
374void v7_arch_cp15_set_l2aux_ctrl(u32 l2auxctrl, u32 cpu_midr,
375 u32 cpu_rev_comb, u32 cpu_variant,
376 u32 cpu_rev)
377{
378 if (get_device_type() == GP_DEVICE)
379 omap_smc1(OMAP3_GP_ROMCODE_API_WRITE_L2ACR, l2auxctrl);
380
381
382}
383
384void v7_arch_cp15_set_acr(u32 acr, u32 cpu_midr, u32 cpu_rev_comb,
385 u32 cpu_variant, u32 cpu_rev)
386{
387
388 if (get_device_type() == GP_DEVICE)
389 omap_smc1(OMAP3_GP_ROMCODE_API_WRITE_ACR, acr);
390 else
391 omap3_set_aux_cr_secure(acr);
392
393
394 asm volatile ("mcr p15, 0, %0, c1, c0, 1" : : "r" (acr));
395}
396
397
398#ifndef CONFIG_SYS_L2CACHE_OFF
399static void omap3_update_aux_cr(u32 set_bits, u32 clear_bits)
400{
401 u32 acr;
402
403
404 asm volatile ("mrc p15, 0, %0, c1, c0, 1" : "=r" (acr));
405 acr &= ~clear_bits;
406 acr |= set_bits;
407 v7_arch_cp15_set_acr(acr, 0, 0, 0, 0);
408
409}
410
411
412static void omap3_invalidate_l2_cache_secure(void)
413{
414 if (get_device_type() == GP_DEVICE) {
415 omap_smc1(OMAP3_GP_ROMCODE_API_L2_INVAL, 0);
416 } else {
417 struct emu_hal_params emu_romcode_params;
418 emu_romcode_params.num_params = 1;
419 emu_romcode_params.param1 = 0;
420 omap3_emu_romcode_call(OMAP3_EMU_HAL_API_L2_INVAL,
421 (u32 *)&emu_romcode_params);
422 }
423}
424
425void v7_outer_cache_enable(void)
426{
427
428
429
430
431
432
433
434 omap3_update_aux_cr(0x2, 0);
435}
436
437void omap3_outer_cache_disable(void)
438{
439
440
441
442
443
444
445 omap3_update_aux_cr(0, 0x2);
446}
447#endif
448