3 * Texas Instruments, <www.ti.com>
4 * Jian Zhang <jzhang@ti.com>
5 * Richard Woodruff <r-woodruff2@ti.com>
8 * Steve Sakoman <steve@sakoman.com>
10 * See file CREDITS for list of people who contributed to this
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License as
15 * published by the Free Software Foundation; either version 2 of
16 * the License, or (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
34 #include <asm/arch/cpu.h>
35 #include <asm/arch/bits.h>
36 #include <asm/arch/gpio.h>
37 #include <asm/arch/mux.h>
38 #include <asm/arch/sys_proto.h>
39 #include <asm/arch/sys_info.h>
40 #include <asm/arch/clocks.h>
41 #include <asm/arch/mem.h>
44 #define CORE_DPLL_PARAM_M2 0x09
45 #define CORE_DPLL_PARAM_M 0x360
46 #define CORE_DPLL_PARAM_N 0xC
48 /* Used to index into DPLL parameter tables */
56 typedef struct dpll_param dpll_param;
58 /* Following functions are exported from lowlevel_init.S */
59 extern dpll_param *get_mpu_dpll_param();
60 extern dpll_param *get_iva_dpll_param();
61 extern dpll_param *get_core_dpll_param();
62 extern dpll_param *get_per_dpll_param();
64 #define __raw_readl(a) (*(volatile unsigned int *)(a))
65 #define __raw_writel(v, a) (*(volatile unsigned int *)(a) = (v))
66 #define __raw_readw(a) (*(volatile unsigned short *)(a))
67 #define __raw_writew(v, a) (*(volatile unsigned short *)(a) = (v))
69 static char *rev_s[CPU_3XX_MAX_REV] = {
79 /*******************************************************
81 * Description: spinning delay to use before udelay works
82 ******************************************************/
83 static inline void delay(unsigned long loops)
85 __asm__ volatile ("1:\n" "subs %0, %1, #1\n"
86 "bne 1b":"=r" (loops):"0"(loops));
89 void udelay (unsigned long usecs) {
93 /*****************************************
95 * Description: Early hardware init.
96 *****************************************/
102 /*************************************************************
103 * get_device_type(): tell if GP/HS/EMU/TST
104 *************************************************************/
105 u32 get_device_type(void)
108 mode = __raw_readl(CONTROL_STATUS) & (DEVICE_MASK);
112 /************************************************
113 * get_sysboot_value(void) - return SYS_BOOT[4:0]
114 ************************************************/
115 u32 get_sysboot_value(void)
118 mode = __raw_readl(CONTROL_STATUS) & (SYSBOOT_MASK);
122 /*************************************************************
123 * Routine: get_mem_type(void) - returns the kind of memory connected
124 * to GPMC that we are trying to boot form. Uses SYS BOOT settings.
125 *************************************************************/
126 u32 get_mem_type(void)
128 u32 mem_type = get_sysboot_value();
171 /******************************************
172 * get_cpu_type(void) - extract cpu info
173 ******************************************/
174 u32 get_cpu_type(void)
176 return __raw_readl(CONTROL_OMAP_STATUS);
179 /******************************************
180 * get_cpu_id(void) - extract cpu id
181 * returns 0 for ES1.0, cpuid otherwise
182 ******************************************/
188 * On ES1.0 the IDCODE register is not exposed on L4
189 * so using CPU ID to differentiate between ES1.0 and > ES1.0.
191 __asm__ __volatile__("mrc p15, 0, %0, c0, c0, 0":"=r"(cpuid));
192 if ((cpuid & 0xf) == 0x0) {
195 /* Decode the IDs on > ES1.0 */
196 cpuid = __raw_readl(CONTROL_IDCODE);
202 /******************************************
203 * get_cpu_family(void) - extract cpu info
204 ******************************************/
205 u32 get_cpu_family(void)
209 u32 cpuid = get_cpu_id();
214 hawkeye = (cpuid >> HAWKEYE_SHIFT) & 0xffff;
216 case HAWKEYE_OMAP34XX:
217 cpu_family = CPU_OMAP34XX;
220 cpu_family = CPU_AM35XX;
222 case HAWKEYE_OMAP36XX:
223 cpu_family = CPU_OMAP36XX;
226 cpu_family = CPU_OMAP34XX;
232 /******************************************
233 * get_cpu_rev(void) - extract version info
234 ******************************************/
235 u32 get_cpu_rev(void)
237 u32 cpuid = get_cpu_id();
242 return (cpuid >> CPU_3XX_ID_SHIFT) & 0xf;
245 /******************************************
246 * Print CPU information
247 ******************************************/
248 int print_cpuinfo (void)
250 char *cpu_family_s, *cpu_s, *sec_s;
252 switch (get_cpu_family()) {
254 cpu_family_s = "OMAP";
255 switch (get_cpu_type()) {
275 switch (get_cpu_type()) {
288 cpu_family_s = "OMAP";
289 switch (get_cpu_type()) {
299 cpu_family_s = "OMAP";
303 switch (get_device_type()) {
320 printf("%s%s-%s ES%s\n",
321 cpu_family_s, cpu_s, sec_s, rev_s[get_cpu_rev()]);
326 /******************************************
327 * cpu_is_3410(void) - returns true for 3410
328 ******************************************/
329 u32 cpu_is_3410(void)
332 if (get_cpu_rev() < CPU_3430_ES2) {
335 /* read scalability status and return 1 for 3410*/
336 status = __raw_readl(CONTROL_SCALABLE_OMAP_STATUS);
337 /* Check whether MPU frequency is set to 266 MHz which
338 * is nominal for 3410. If yes return true else false
340 if (((status >> 8) & 0x3) == 0x2)
347 /*****************************************************************
348 * Routine: get_board_revision
349 * Description: Returns the board revision
350 *****************************************************************/
351 int get_board_revision(void)
356 /* board revisions <= R2410 connect 4030 irq_1 to gpio112 */
357 /* these boards should return a revision number of 0 */
358 /* the code below forces a 4030 RTC irq to ensure that gpio112 is low */
360 i2c_write(0x4B, 0x29, 1, &data, 1);
362 i2c_write(0x4B, 0x2b, 1, &data, 1);
363 i2c_read(0x4B, 0x2a, 1, &data, 1);
365 if (!omap_request_gpio(112) &&
366 !omap_request_gpio(113) &&
367 !omap_request_gpio(115)) {
369 omap_set_gpio_direction(112, 1);
370 omap_set_gpio_direction(113, 1);
371 omap_set_gpio_direction(115, 1);
373 revision = omap_get_gpio_datain(115) << 2 |
374 omap_get_gpio_datain(113) << 1 |
375 omap_get_gpio_datain(112);
381 printf("Error: unable to acquire board revision GPIOs\n");
388 /*****************************************************************
389 * sr32 - clear & set a value in a bit range for a 32 bit address
390 *****************************************************************/
391 void sr32(u32 addr, u32 start_bit, u32 num_bits, u32 value)
396 tmp = __raw_readl(addr) & ~(msk << start_bit);
397 tmp |= value << start_bit;
398 __raw_writel(tmp, addr);
401 /*********************************************************************
402 * wait_on_value() - common routine to allow waiting for changes in
404 *********************************************************************/
405 u32 wait_on_value(u32 read_bit_mask, u32 match_value, u32 read_addr, u32 bound)
410 val = __raw_readl(read_addr) & read_bit_mask;
411 if (val == match_value)
418 #ifdef CFG_3430SDRAM_DDR
419 /*********************************************************************
420 * config_3430sdram_ddr() - Init DDR on 3430SDP dev board.
421 *********************************************************************/
422 void config_3430sdram_ddr(void)
424 /* reset sdrc controller */
425 __raw_writel(SOFTRESET, SDRC_SYSCONFIG);
426 wait_on_value(BIT0, BIT0, SDRC_STATUS, 12000000);
427 __raw_writel(0, SDRC_SYSCONFIG);
429 /* setup sdrc to ball mux */
430 __raw_writel(SDP_SDRC_SHARING, SDRC_SHARING);
432 switch (get_board_revision()) {
433 case 0: /* Micron 1286MB/256MB, 1/2 banks of 128MB */
434 __raw_writel(0x1, SDRC_CS_CFG); /* 128MB/bank */
435 __raw_writel(SDP_SDRC_MDCFG_0_DDR, SDRC_MCFG_0);
436 __raw_writel(SDP_SDRC_MDCFG_0_DDR, SDRC_MCFG_1);
437 __raw_writel(MICRON_V_ACTIMA_165, SDRC_ACTIM_CTRLA_0);
438 __raw_writel(MICRON_V_ACTIMB_165, SDRC_ACTIM_CTRLB_0);
439 __raw_writel(MICRON_V_ACTIMA_165, SDRC_ACTIM_CTRLA_1);
440 __raw_writel(MICRON_V_ACTIMB_165, SDRC_ACTIM_CTRLB_1);
441 __raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_0);
442 __raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_1);
444 case 1: /* Micron 256MB/512MB, 1/2 banks of 256MB */
445 __raw_writel(0x2, SDRC_CS_CFG); /* 256MB/bank */
446 __raw_writel(SDP_SDRC_MDCFG_0_DDR_MICRON_XM, SDRC_MCFG_0);
447 __raw_writel(SDP_SDRC_MDCFG_0_DDR_MICRON_XM, SDRC_MCFG_1);
448 __raw_writel(MICRON_V_ACTIMA_165, SDRC_ACTIM_CTRLA_0);
449 __raw_writel(MICRON_V_ACTIMB_165, SDRC_ACTIM_CTRLB_0);
450 __raw_writel(MICRON_V_ACTIMA_165, SDRC_ACTIM_CTRLA_1);
451 __raw_writel(MICRON_V_ACTIMB_165, SDRC_ACTIM_CTRLB_1);
452 __raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_0);
453 __raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_1);
456 __raw_writel(0x1, SDRC_CS_CFG); /* 128MB/bank */
457 __raw_writel(SDP_SDRC_MDCFG_0_DDR, SDRC_MCFG_0);
458 __raw_writel(SDP_SDRC_MDCFG_0_DDR, SDRC_MCFG_1);
459 __raw_writel(MICRON_V_ACTIMA_165, SDRC_ACTIM_CTRLA_0);
460 __raw_writel(MICRON_V_ACTIMB_165, SDRC_ACTIM_CTRLB_0);
461 __raw_writel(MICRON_V_ACTIMA_165, SDRC_ACTIM_CTRLA_1);
462 __raw_writel(MICRON_V_ACTIMB_165, SDRC_ACTIM_CTRLB_1);
463 __raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_0);
464 __raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_1);
467 __raw_writel(SDP_SDRC_POWER_POP, SDRC_POWER);
469 /* init sequence for mDDR/mSDR using manual commands (DDR is different) */
470 __raw_writel(CMD_NOP, SDRC_MANUAL_0);
471 __raw_writel(CMD_NOP, SDRC_MANUAL_1);
475 __raw_writel(CMD_PRECHARGE, SDRC_MANUAL_0);
476 __raw_writel(CMD_PRECHARGE, SDRC_MANUAL_1);
478 __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_0);
479 __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_1);
481 __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_0);
482 __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_1);
485 __raw_writel(SDP_SDRC_MR_0_DDR, SDRC_MR_0);
486 __raw_writel(SDP_SDRC_MR_0_DDR, SDRC_MR_1);
489 __raw_writel(SDP_SDRC_DLLAB_CTRL, SDRC_DLLA_CTRL);
490 delay(0x2000); /* give time to lock */
492 #endif /* CFG_3430SDRAM_DDR */
494 /*************************************************************
495 * get_sys_clk_speed - determine reference oscillator speed
496 * based on known 32kHz clock and gptimer.
497 *************************************************************/
498 u32 get_osc_clk_speed(void)
500 u32 start, cstart, cend, cdiff, cdiv, val;
502 val = __raw_readl(PRM_CLKSRC_CTRL);
504 if (val & SYSCLKDIV_2)
510 val = __raw_readl(CM_CLKSEL_WKUP) | BIT0;
511 __raw_writel(val, CM_CLKSEL_WKUP); /* select sys_clk for GPT1 */
513 /* Enable I and F Clocks for GPT1 */
514 val = __raw_readl(CM_ICLKEN_WKUP) | BIT0 | BIT2;
515 __raw_writel(val, CM_ICLKEN_WKUP);
516 val = __raw_readl(CM_FCLKEN_WKUP) | BIT0;
517 __raw_writel(val, CM_FCLKEN_WKUP);
519 __raw_writel(0, OMAP34XX_GPT1 + TLDR); /* start counting at 0 */
520 __raw_writel(GPT_EN, OMAP34XX_GPT1 + TCLR); /* enable clock */
521 /* enable 32kHz source */
522 /* enabled out of reset */
523 /* determine sys_clk via gauging */
525 start = 20 + __raw_readl(S32K_CR); /* start time in 20 cycles */
526 while (__raw_readl(S32K_CR) < start); /* dead loop till start time */
527 cstart = __raw_readl(OMAP34XX_GPT1 + TCRR); /* get start sys_clk count */
528 while (__raw_readl(S32K_CR) < (start + 20)); /* wait for 40 cycles */
529 cend = __raw_readl(OMAP34XX_GPT1 + TCRR); /* get end sys_clk count */
530 cdiff = cend - cstart; /* get elapsed ticks */
533 /* based on number of ticks assign speed */
536 else if (cdiff > 15200)
538 else if (cdiff > 13000)
540 else if (cdiff > 9000)
542 else if (cdiff > 7600)
548 /******************************************************************************
549 * get_sys_clkin_sel() - returns the sys_clkin_sel field value based on
550 * -- input oscillator clock frequency.
552 *****************************************************************************/
553 void get_sys_clkin_sel(u32 osc_clk, u32 *sys_clkin_sel)
555 if (osc_clk == S38_4M)
557 else if (osc_clk == S26M)
559 else if (osc_clk == S19_2M)
561 else if (osc_clk == S13M)
563 else if (osc_clk == S12M)
567 /******************************************************************************
568 * prcm_init() - inits clocks for PRCM as defined in clocks.h
569 * -- called from SRAM, or Flash (using temp SRAM stack).
570 *****************************************************************************/
573 u32 osc_clk = 0, sys_clkin_sel;
574 dpll_param *dpll_param_p;
575 u32 clk_index, sil_index;
577 /* Gauge the input clock speed and find out the sys_clkin_sel
578 * value corresponding to the input clock.
580 osc_clk = get_osc_clk_speed();
581 get_sys_clkin_sel(osc_clk, &sys_clkin_sel);
583 sr32(PRM_CLKSEL, 0, 3, sys_clkin_sel); /* set input crystal speed */
585 /* If the input clock is greater than 19.2M always divide/2 */
586 if (sys_clkin_sel > 2) {
587 sr32(PRM_CLKSRC_CTRL, 6, 2, 2); /* input clock divider */
588 clk_index = sys_clkin_sel / 2;
590 sr32(PRM_CLKSRC_CTRL, 6, 2, 1); /* input clock divider */
591 clk_index = sys_clkin_sel;
594 sr32(PRM_CLKSRC_CTRL, 0, 2, 0);/* Bypass mode: T2 inputs a square clock */
596 /* The DPLL tables are defined according to sysclk value and
597 * silicon revision. The clk_index value will be used to get
598 * the values for that input sysclk from the DPLL param table
599 * and sil_index will get the values for that SysClk for the
600 * appropriate silicon rev.
602 sil_index = get_cpu_rev() - 1;
604 /* Unlock MPU DPLL (slows things down, and needed later) */
605 sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOW_POWER_BYPASS);
606 wait_on_value(BIT0, 0, CM_IDLEST_PLL_MPU, LDELAY);
608 /* Getting the base address of Core DPLL param table */
609 dpll_param_p = (dpll_param *) get_core_dpll_param();
610 /* Moving it to the right sysclk and ES rev base */
611 dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
613 /* sr32(CM_CLKSEL2_EMU) set override to work when asleep */
614 sr32(CM_CLKEN_PLL, 0, 3, PLL_FAST_RELOCK_BYPASS);
615 wait_on_value(BIT0, 0, CM_IDLEST_CKGEN, LDELAY);
617 /* For 3430 ES1.0 Errata 1.50, default value directly doesnt
618 work. write another value and then default value. */
619 sr32(CM_CLKSEL1_EMU, 16, 5, CORE_M3X2 + 1); /* m3x2 */
620 sr32(CM_CLKSEL1_EMU, 16, 5, CORE_M3X2); /* m3x2 */
621 sr32(CM_CLKSEL1_PLL, 27, 2, dpll_param_p->m2); /* Set M2 */
622 sr32(CM_CLKSEL1_PLL, 16, 11, dpll_param_p->m); /* Set M */
623 sr32(CM_CLKSEL1_PLL, 8, 7, dpll_param_p->n); /* Set N */
624 sr32(CM_CLKSEL1_PLL, 6, 1, 0); /* 96M Src */
625 sr32(CM_CLKSEL_CORE, 8, 4, CORE_SSI_DIV); /* ssi */
626 sr32(CM_CLKSEL_CORE, 4, 2, CORE_FUSB_DIV); /* fsusb */
627 sr32(CM_CLKSEL_CORE, 2, 2, CORE_L4_DIV); /* l4 */
628 sr32(CM_CLKSEL_CORE, 0, 2, CORE_L3_DIV); /* l3 */
629 sr32(CM_CLKSEL_GFX, 0, 3, GFX_DIV); /* gfx */
630 sr32(CM_CLKSEL_WKUP, 1, 2, WKUP_RSM); /* reset mgr */
631 sr32(CM_CLKEN_PLL, 4, 4, dpll_param_p->fsel); /* FREQSEL */
632 sr32(CM_CLKEN_PLL, 0, 3, PLL_LOCK); /* lock mode */
633 wait_on_value(BIT0, 1, CM_IDLEST_CKGEN, LDELAY);
635 /* Getting the base address to PER DPLL param table */
636 dpll_param_p = (dpll_param *) get_per_dpll_param();
637 /* Moving it to the right sysclk base */
638 dpll_param_p = dpll_param_p + clk_index;
640 sr32(CM_CLKEN_PLL, 16, 3, PLL_STOP);
641 wait_on_value(BIT1, 0, CM_IDLEST_CKGEN, LDELAY);
642 sr32(CM_CLKSEL1_EMU, 24, 5, PER_M6X2); /* set M6 */
643 sr32(CM_CLKSEL_CAM, 0, 5, PER_M5X2); /* set M5 */
644 sr32(CM_CLKSEL_DSS, 0, 5, PER_M4X2); /* set M4 */
645 sr32(CM_CLKSEL_DSS, 8, 5, PER_M3X2); /* set M3 */
647 if (get_cpu_family() == CPU_OMAP36XX) {
648 sr32(CM_CLKSEL3_PLL, 0, 5, CORE_DPLL_PARAM_M2); /* set M2 */
649 sr32(CM_CLKSEL2_PLL, 8, 11, CORE_DPLL_PARAM_M); /* set m */
650 sr32(CM_CLKSEL2_PLL, 0, 7, CORE_DPLL_PARAM_N); /* set n */
652 sr32(CM_CLKSEL3_PLL, 0, 5, dpll_param_p->m2); /* set M2 */
653 sr32(CM_CLKSEL2_PLL, 8, 11, dpll_param_p->m); /* set m */
654 sr32(CM_CLKSEL2_PLL, 0, 7, dpll_param_p->n); /* set n */
657 sr32(CM_CLKEN_PLL, 20, 4, dpll_param_p->fsel); /* FREQSEL */
658 sr32(CM_CLKEN_PLL, 16, 3, PLL_LOCK); /* lock mode */
659 wait_on_value(BIT1, 2, CM_IDLEST_CKGEN, LDELAY);
661 /* Getting the base address to MPU DPLL param table */
662 dpll_param_p = (dpll_param *) get_mpu_dpll_param();
664 /* Moving it to the right sysclk and ES rev base */
665 dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
667 /* MPU DPLL (unlocked already) */
668 sr32(CM_CLKSEL2_PLL_MPU, 0, 5, dpll_param_p->m2); /* Set M2 */
669 sr32(CM_CLKSEL1_PLL_MPU, 8, 11, dpll_param_p->m); /* Set M */
670 sr32(CM_CLKSEL1_PLL_MPU, 0, 7, dpll_param_p->n); /* Set N */
671 sr32(CM_CLKEN_PLL_MPU, 4, 4, dpll_param_p->fsel); /* FREQSEL */
672 sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOCK); /* lock mode */
673 wait_on_value(BIT0, 1, CM_IDLEST_PLL_MPU, LDELAY);
675 /* Getting the base address to IVA DPLL param table */
676 dpll_param_p = (dpll_param *) get_iva_dpll_param();
677 /* Moving it to the right sysclk and ES rev base */
678 dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
679 /* IVA DPLL (set to 12*20=240MHz) */
680 sr32(CM_CLKEN_PLL_IVA2, 0, 3, PLL_STOP);
681 wait_on_value(BIT0, 0, CM_IDLEST_PLL_IVA2, LDELAY);
682 sr32(CM_CLKSEL2_PLL_IVA2, 0, 5, dpll_param_p->m2); /* set M2 */
683 sr32(CM_CLKSEL1_PLL_IVA2, 8, 11, dpll_param_p->m); /* set M */
684 sr32(CM_CLKSEL1_PLL_IVA2, 0, 7, dpll_param_p->n); /* set N */
685 sr32(CM_CLKEN_PLL_IVA2, 4, 4, dpll_param_p->fsel); /* FREQSEL */
686 sr32(CM_CLKEN_PLL_IVA2, 0, 3, PLL_LOCK); /* lock mode */
687 wait_on_value(BIT0, 1, CM_IDLEST_PLL_IVA2, LDELAY);
689 /* Set up GPTimers to sys_clk source only */
690 sr32(CM_CLKSEL_PER, 0, 8, 0xff);
691 sr32(CM_CLKSEL_WKUP, 0, 1, 1);
696 /*****************************************
697 * Routine: secure_unlock
698 * Description: Setup security registers for access
700 *****************************************/
701 void secure_unlock(void)
703 /* Permission values for registers -Full fledged permissions to all */
704 #define UNLOCK_1 0xFFFFFFFF
705 #define UNLOCK_2 0x00000000
706 #define UNLOCK_3 0x0000FFFF
707 /* Protection Module Register Target APE (PM_RT)*/
708 __raw_writel(UNLOCK_1, RT_REQ_INFO_PERMISSION_1);
709 __raw_writel(UNLOCK_1, RT_READ_PERMISSION_0);
710 __raw_writel(UNLOCK_1, RT_WRITE_PERMISSION_0);
711 __raw_writel(UNLOCK_2, RT_ADDR_MATCH_1);
713 __raw_writel(UNLOCK_3, GPMC_REQ_INFO_PERMISSION_0);
714 __raw_writel(UNLOCK_3, GPMC_READ_PERMISSION_0);
715 __raw_writel(UNLOCK_3, GPMC_WRITE_PERMISSION_0);
717 __raw_writel(UNLOCK_3, OCM_REQ_INFO_PERMISSION_0);
718 __raw_writel(UNLOCK_3, OCM_READ_PERMISSION_0);
719 __raw_writel(UNLOCK_3, OCM_WRITE_PERMISSION_0);
720 __raw_writel(UNLOCK_2, OCM_ADDR_MATCH_2);
723 __raw_writel(UNLOCK_3, IVA2_REQ_INFO_PERMISSION_0);
724 __raw_writel(UNLOCK_3, IVA2_READ_PERMISSION_0);
725 __raw_writel(UNLOCK_3, IVA2_WRITE_PERMISSION_0);
727 __raw_writel(UNLOCK_1, SMS_RG_ATT0); /* SDRC region 0 public */
730 /**********************************************************
731 * Routine: try_unlock_sram()
732 * Description: If chip is GP type, unlock the SRAM for
734 ***********************************************************/
735 void try_unlock_memory(void)
739 /* if GP device unlock device SRAM for general use */
740 /* secure code breaks for Secure/Emulation device - HS/E/T*/
741 mode = get_device_type();
742 if (mode == GP_DEVICE)
747 /**********************************************************
749 * Description: Does early system init of muxing and clocks.
750 * - Called at time when only stack is available.
751 **********************************************************/
756 #ifdef CONFIG_3430_AS_3410
757 /* setup the scalability control register for
758 * 3430 to work in 3410 mode
760 __raw_writel(0x5ABF, CONTROL_SCALABLE_OMAP_OCP);
767 config_3430sdram_ddr();
770 /*******************************************************
771 * Routine: misc_init_r
772 ********************************************************/
773 int misc_init_r(void)
776 printf("Board revision: %d\n", get_board_revision());
780 /******************************************************
781 * Routine: wait_for_command_complete
782 * Description: Wait for posting to finish on watchdog
783 ******************************************************/
784 void wait_for_command_complete(unsigned int wd_base)
788 pending = __raw_readl(wd_base + WWPS);
792 /****************************************
793 * Routine: watchdog_init
794 * Description: Shut down watch dogs
795 *****************************************/
796 void watchdog_init(void)
798 /* There are 3 watch dogs WD1=Secure, WD2=MPU, WD3=IVA. WD1 is
799 * either taken care of by ROM (HS/EMU) or not accessible (GP).
800 * We need to take care of WD2-MPU or take a PRCM reset. WD3
801 * should not be running and does not generate a PRCM reset.
803 sr32(CM_FCLKEN_WKUP, 5, 1, 1);
804 sr32(CM_ICLKEN_WKUP, 5, 1, 1);
805 wait_on_value(BIT5, 0x20, CM_IDLEST_WKUP, 5); /* some issue here */
807 __raw_writel(WD_UNLOCK1, WD2_BASE + WSPR);
808 wait_for_command_complete(WD2_BASE);
809 __raw_writel(WD_UNLOCK2, WD2_BASE + WSPR);
812 /**********************************************
814 * Description: sets uboots idea of sdram size
815 **********************************************/
821 /*****************************************************************
822 * Routine: peripheral_enable
823 * Description: Enable the clks & power for perifs (GPT2, UART1,...)
824 ******************************************************************/
825 void per_clocks_enable(void)
827 /* Enable GP2 timer. */
828 sr32(CM_CLKSEL_PER, 0, 1, 0x1); /* GPT2 = sys clk */
829 sr32(CM_ICLKEN_PER, 3, 1, 0x1); /* ICKen GPT2 */
830 sr32(CM_FCLKEN_PER, 3, 1, 0x1); /* FCKen GPT2 */
834 sr32(CM_FCLKEN1_CORE, 13, 1, 0x1);
835 sr32(CM_ICLKEN1_CORE, 13, 1, 0x1);
838 sr32(CM_FCLKEN_PER, 11, 1, 0x1);
839 sr32(CM_ICLKEN_PER, 11, 1, 0x1);
843 /* Enable GPIO 4, 5, & 6 clocks */
844 sr32(CM_FCLKEN_PER, 17, 3, 0x7);
845 sr32(CM_ICLKEN_PER, 17, 3, 0x7);
847 #ifdef CONFIG_DRIVER_OMAP34XX_I2C
848 /* Turn on all 3 I2C clocks */
849 sr32(CM_FCLKEN1_CORE, 15, 3, 0x7);
850 sr32(CM_ICLKEN1_CORE, 15, 3, 0x7); /* I2C1,2,3 = on */
853 /* Enable the ICLK for 32K Sync Timer as its used in udelay */
854 sr32(CM_ICLKEN_WKUP, 2, 1, 0x1);
856 sr32(CM_FCLKEN_IVA2, 0, 32, FCK_IVA2_ON);
857 sr32(CM_FCLKEN1_CORE, 0, 32, FCK_CORE1_ON);
858 sr32(CM_ICLKEN1_CORE, 0, 32, ICK_CORE1_ON);
859 sr32(CM_ICLKEN2_CORE, 0, 32, ICK_CORE2_ON);
860 sr32(CM_FCLKEN_WKUP, 0, 32, FCK_WKUP_ON);
861 sr32(CM_ICLKEN_WKUP, 0, 32, ICK_WKUP_ON);
862 sr32(CM_FCLKEN_DSS, 0, 32, FCK_DSS_ON);
863 sr32(CM_ICLKEN_DSS, 0, 32, ICK_DSS_ON);
864 sr32(CM_FCLKEN_CAM, 0, 32, FCK_CAM_ON);
865 sr32(CM_ICLKEN_CAM, 0, 32, ICK_CAM_ON);
866 sr32(CM_FCLKEN_PER, 0, 32, FCK_PER_ON);
867 sr32(CM_ICLKEN_PER, 0, 32, ICK_PER_ON);
872 /* Set MUX for UART, GPMC, SDRC, GPIO */
874 #define MUX_VAL(OFFSET,VALUE)\
875 __raw_writew((VALUE), OMAP34XX_CTRL_BASE + (OFFSET));
877 #define CP(x) (CONTROL_PADCONF_##x)
880 * IDIS - Input Disable
881 * PTD - Pull type Down
883 * DIS - Pull type selection is inactive
884 * EN - Pull type selection is active
886 * The commented string gives the final mux configuration for that pin
888 #define MUX_DEFAULT()\
889 MUX_VAL(CP(SDRC_D0), (IEN | PTD | DIS | M0)) /*SDRC_D0*/\
890 MUX_VAL(CP(SDRC_D1), (IEN | PTD | DIS | M0)) /*SDRC_D1*/\
891 MUX_VAL(CP(SDRC_D2), (IEN | PTD | DIS | M0)) /*SDRC_D2*/\
892 MUX_VAL(CP(SDRC_D3), (IEN | PTD | DIS | M0)) /*SDRC_D3*/\
893 MUX_VAL(CP(SDRC_D4), (IEN | PTD | DIS | M0)) /*SDRC_D4*/\
894 MUX_VAL(CP(SDRC_D5), (IEN | PTD | DIS | M0)) /*SDRC_D5*/\
895 MUX_VAL(CP(SDRC_D6), (IEN | PTD | DIS | M0)) /*SDRC_D6*/\
896 MUX_VAL(CP(SDRC_D7), (IEN | PTD | DIS | M0)) /*SDRC_D7*/\
897 MUX_VAL(CP(SDRC_D8), (IEN | PTD | DIS | M0)) /*SDRC_D8*/\
898 MUX_VAL(CP(SDRC_D9), (IEN | PTD | DIS | M0)) /*SDRC_D9*/\
899 MUX_VAL(CP(SDRC_D10), (IEN | PTD | DIS | M0)) /*SDRC_D10*/\
900 MUX_VAL(CP(SDRC_D11), (IEN | PTD | DIS | M0)) /*SDRC_D11*/\
901 MUX_VAL(CP(SDRC_D12), (IEN | PTD | DIS | M0)) /*SDRC_D12*/\
902 MUX_VAL(CP(SDRC_D13), (IEN | PTD | DIS | M0)) /*SDRC_D13*/\
903 MUX_VAL(CP(SDRC_D14), (IEN | PTD | DIS | M0)) /*SDRC_D14*/\
904 MUX_VAL(CP(SDRC_D15), (IEN | PTD | DIS | M0)) /*SDRC_D15*/\
905 MUX_VAL(CP(SDRC_D16), (IEN | PTD | DIS | M0)) /*SDRC_D16*/\
906 MUX_VAL(CP(SDRC_D17), (IEN | PTD | DIS | M0)) /*SDRC_D17*/\
907 MUX_VAL(CP(SDRC_D18), (IEN | PTD | DIS | M0)) /*SDRC_D18*/\
908 MUX_VAL(CP(SDRC_D19), (IEN | PTD | DIS | M0)) /*SDRC_D19*/\
909 MUX_VAL(CP(SDRC_D20), (IEN | PTD | DIS | M0)) /*SDRC_D20*/\
910 MUX_VAL(CP(SDRC_D21), (IEN | PTD | DIS | M0)) /*SDRC_D21*/\
911 MUX_VAL(CP(SDRC_D22), (IEN | PTD | DIS | M0)) /*SDRC_D22*/\
912 MUX_VAL(CP(SDRC_D23), (IEN | PTD | DIS | M0)) /*SDRC_D23*/\
913 MUX_VAL(CP(SDRC_D24), (IEN | PTD | DIS | M0)) /*SDRC_D24*/\
914 MUX_VAL(CP(SDRC_D25), (IEN | PTD | DIS | M0)) /*SDRC_D25*/\
915 MUX_VAL(CP(SDRC_D26), (IEN | PTD | DIS | M0)) /*SDRC_D26*/\
916 MUX_VAL(CP(SDRC_D27), (IEN | PTD | DIS | M0)) /*SDRC_D27*/\
917 MUX_VAL(CP(SDRC_D28), (IEN | PTD | DIS | M0)) /*SDRC_D28*/\
918 MUX_VAL(CP(SDRC_D29), (IEN | PTD | DIS | M0)) /*SDRC_D29*/\
919 MUX_VAL(CP(SDRC_D30), (IEN | PTD | DIS | M0)) /*SDRC_D30*/\
920 MUX_VAL(CP(SDRC_D31), (IEN | PTD | DIS | M0)) /*SDRC_D31*/\
921 MUX_VAL(CP(SDRC_CLK), (IEN | PTD | DIS | M0)) /*SDRC_CLK*/\
922 MUX_VAL(CP(SDRC_DQS0), (IEN | PTD | DIS | M0)) /*SDRC_DQS0*/\
923 MUX_VAL(CP(SDRC_DQS1), (IEN | PTD | DIS | M0)) /*SDRC_DQS1*/\
924 MUX_VAL(CP(SDRC_DQS2), (IEN | PTD | DIS | M0)) /*SDRC_DQS2*/\
925 MUX_VAL(CP(SDRC_DQS3), (IEN | PTD | DIS | M0)) /*SDRC_DQS3*/\
926 MUX_VAL(CP(GPMC_A1), (IDIS | PTD | DIS | M0)) /*GPMC_A1*/\
927 MUX_VAL(CP(GPMC_A2), (IDIS | PTD | DIS | M0)) /*GPMC_A2*/\
928 MUX_VAL(CP(GPMC_A3), (IDIS | PTD | DIS | M0)) /*GPMC_A3*/\
929 MUX_VAL(CP(GPMC_A4), (IDIS | PTD | DIS | M0)) /*GPMC_A4*/\
930 MUX_VAL(CP(GPMC_A5), (IDIS | PTD | DIS | M0)) /*GPMC_A5*/\
931 MUX_VAL(CP(GPMC_A6), (IDIS | PTD | DIS | M0)) /*GPMC_A6*/\
932 MUX_VAL(CP(GPMC_A7), (IDIS | PTD | DIS | M0)) /*GPMC_A7*/\
933 MUX_VAL(CP(GPMC_A8), (IDIS | PTD | DIS | M0)) /*GPMC_A8*/\
934 MUX_VAL(CP(GPMC_A9), (IDIS | PTD | DIS | M0)) /*GPMC_A9*/\
935 MUX_VAL(CP(GPMC_A10), (IDIS | PTD | DIS | M0)) /*GPMC_A10*/\
936 MUX_VAL(CP(GPMC_D0), (IEN | PTD | DIS | M0)) /*GPMC_D0*/\
937 MUX_VAL(CP(GPMC_D1), (IEN | PTD | DIS | M0)) /*GPMC_D1*/\
938 MUX_VAL(CP(GPMC_D2), (IEN | PTD | DIS | M0)) /*GPMC_D2*/\
939 MUX_VAL(CP(GPMC_D3), (IEN | PTD | DIS | M0)) /*GPMC_D3*/\
940 MUX_VAL(CP(GPMC_D4), (IEN | PTD | DIS | M0)) /*GPMC_D4*/\
941 MUX_VAL(CP(GPMC_D5), (IEN | PTD | DIS | M0)) /*GPMC_D5*/\
942 MUX_VAL(CP(GPMC_D6), (IEN | PTD | DIS | M0)) /*GPMC_D6*/\
943 MUX_VAL(CP(GPMC_D7), (IEN | PTD | DIS | M0)) /*GPMC_D7*/\
944 MUX_VAL(CP(GPMC_D8), (IEN | PTD | DIS | M0)) /*GPMC_D8*/\
945 MUX_VAL(CP(GPMC_D9), (IEN | PTD | DIS | M0)) /*GPMC_D9*/\
946 MUX_VAL(CP(GPMC_D10), (IEN | PTD | DIS | M0)) /*GPMC_D10*/\
947 MUX_VAL(CP(GPMC_D11), (IEN | PTD | DIS | M0)) /*GPMC_D11*/\
948 MUX_VAL(CP(GPMC_D12), (IEN | PTD | DIS | M0)) /*GPMC_D12*/\
949 MUX_VAL(CP(GPMC_D13), (IEN | PTD | DIS | M0)) /*GPMC_D13*/\
950 MUX_VAL(CP(GPMC_D14), (IEN | PTD | DIS | M0)) /*GPMC_D14*/\
951 MUX_VAL(CP(GPMC_D15), (IEN | PTD | DIS | M0)) /*GPMC_D15*/\
952 MUX_VAL(CP(GPMC_nCS0), (IDIS | PTU | EN | M0)) /*GPMC_nCS0*/\
953 MUX_VAL(CP(GPMC_nCS1), (IDIS | PTU | EN | M0)) /*GPMC_nCS1*/\
954 MUX_VAL(CP(GPMC_nCS2), (IDIS | PTU | EN | M0)) /*GPMC_nCS2*/\
955 MUX_VAL(CP(GPMC_nCS3), (IDIS | PTU | EN | M0)) /*GPMC_nCS3*/\
956 MUX_VAL(CP(GPMC_nCS4), (IDIS | PTU | EN | M0)) /*GPMC_nCS4*/\
957 MUX_VAL(CP(GPMC_nCS5), (IDIS | PTU | EN | M0)) /*GPMC_nCS5*/\
958 MUX_VAL(CP(GPMC_nCS6), (IDIS | PTU | EN | M0)) /*GPMC_nCS6*/\
959 MUX_VAL(CP(GPMC_nCS7), (IDIS | PTU | EN | M0)) /*GPMC_nCS7*/\
960 MUX_VAL(CP(GPMC_CLK), (IDIS | PTD | DIS | M0)) /*GPMC_CLK*/\
961 MUX_VAL(CP(GPMC_nADV_ALE), (IDIS | PTD | DIS | M0)) /*GPMC_nADV_ALE*/\
962 MUX_VAL(CP(GPMC_nOE), (IDIS | PTD | DIS | M0)) /*GPMC_nOE*/\
963 MUX_VAL(CP(GPMC_nWE), (IDIS | PTD | DIS | M0)) /*GPMC_nWE*/\
964 MUX_VAL(CP(GPMC_nBE0_CLE), (IDIS | PTD | DIS | M0)) /*GPMC_nBE0_CLE*/\
965 MUX_VAL(CP(GPMC_nBE1), (IDIS | PTD | DIS | M4)) /*GPIO_61*/\
966 MUX_VAL(CP(GPMC_nWP), (IEN | PTD | DIS | M0)) /*GPMC_nWP*/\
967 MUX_VAL(CP(GPMC_WAIT0), (IEN | PTU | EN | M0)) /*GPMC_WAIT0*/\
968 MUX_VAL(CP(GPMC_WAIT1), (IEN | PTU | EN | M0)) /*GPMC_WAIT1*/\
969 MUX_VAL(CP(GPMC_WAIT2), (IEN | PTU | EN | M4)) /*GPIO_64*/\
970 MUX_VAL(CP(GPMC_WAIT3), (IEN | PTU | EN | M4)) /*GPIO_65*/\
971 MUX_VAL(CP(DSS_DATA18), (IEN | PTD | DIS | M4)) /*GPIO_88*/\
972 MUX_VAL(CP(DSS_DATA19), (IEN | PTD | DIS | M4)) /*GPIO_89*/\
973 MUX_VAL(CP(DSS_DATA20), (IEN | PTD | DIS | M4)) /*GPIO_90*/\
974 MUX_VAL(CP(DSS_DATA21), (IEN | PTD | DIS | M4)) /*GPIO_91*/\
975 MUX_VAL(CP(CSI2_DX0), (IEN | PTD | EN | M4)) /*GPIO_112*/\
976 MUX_VAL(CP(CSI2_DY0), (IEN | PTD | EN | M4)) /*GPIO_113*/\
977 MUX_VAL(CP(CSI2_DX1), (IEN | PTD | EN | M4)) /*GPIO_114*/\
979 MUX_VAL(CP(CSI2_DY1), (IEN | PTD | EN | M4)) /*GPIO_115*/\
980 MUX_VAL(CP(CAM_WEN), (IEN | PTD | DIS | M4)) /*GPIO_167*/\
981 MUX_VAL(CP(MMC1_CLK), (IDIS | PTU | EN | M0)) /*MMC1_CLK*/\
982 MUX_VAL(CP(MMC1_CMD), (IEN | PTU | EN | M0)) /*MMC1_CMD*/\
983 MUX_VAL(CP(MMC1_DAT0), (IEN | PTU | EN | M0)) /*MMC1_DAT0*/\
984 MUX_VAL(CP(MMC1_DAT1), (IEN | PTU | EN | M0)) /*MMC1_DAT1*/\
985 MUX_VAL(CP(MMC1_DAT2), (IEN | PTU | EN | M0)) /*MMC1_DAT2*/\
986 MUX_VAL(CP(MMC1_DAT3), (IEN | PTU | EN | M0)) /*MMC1_DAT3*/\
987 MUX_VAL(CP(MMC1_DAT4), (IEN | PTD | EN | M4)) /*GPIO_126*/\
988 MUX_VAL(CP(MMC1_DAT5), (IEN | PTD | EN | M4)) /*GPIO_127*/\
989 MUX_VAL(CP(MMC1_DAT6), (IEN | PTD | EN | M4)) /*GPIO_128*/\
990 MUX_VAL(CP(MMC1_DAT7), (IEN | PTD | EN | M4)) /*GPIO_129*/\
991 MUX_VAL(CP(MMC2_CLK), (IEN | PTU | EN | M4)) /*GPIO_130*/\
992 MUX_VAL(CP(MMC2_DAT7), (IEN | PTU | EN | M4)) /*GPIO_139*/\
993 MUX_VAL(CP(UART1_TX), (IDIS | PTD | DIS | M0)) /*UART1_TX*/\
994 MUX_VAL(CP(UART1_RTS), (IDIS | PTD | DIS | M0)) /*UART1_RTS*/\
995 MUX_VAL(CP(UART1_CTS), (IEN | PTU | DIS | M0)) /*UART1_CTS*/\
996 MUX_VAL(CP(UART1_RX), (IEN | PTD | DIS | M0)) /*UART1_RX*/\
997 MUX_VAL(CP(UART3_CTS_RCTX), (IEN | PTD | EN | M0)) /*UART3_CTS_RCTX */\
998 MUX_VAL(CP(UART3_RTS_SD), (IDIS | PTD | DIS | M0)) /*UART3_RTS_SD */\
999 MUX_VAL(CP(UART3_RX_IRRX), (IEN | PTD | DIS | M0)) /*UART3_RX_IRRX*/\
1000 MUX_VAL(CP(UART3_TX_IRTX), (IDIS | PTD | DIS | M0)) /*UART3_TX_IRTX*/\
1001 MUX_VAL(CP(I2C1_SCL), (IEN | PTU | EN | M0)) /*I2C1_SCL*/\
1002 MUX_VAL(CP(I2C1_SDA), (IEN | PTU | EN | M0)) /*I2C1_SDA*/\
1003 MUX_VAL(CP(I2C2_SCL), (IEN | PTU | EN | M0)) /*I2C2_SCL*/\
1004 MUX_VAL(CP(I2C2_SDA), (IEN | PTU | EN | M0)) /*I2C2_SDA*/\
1005 MUX_VAL(CP(I2C3_SCL), (IEN | PTU | EN | M0)) /*I2C3_SCL*/\
1006 MUX_VAL(CP(I2C3_SDA), (IEN | PTU | EN | M0)) /*I2C3_SDA*/\
1007 MUX_VAL(CP(I2C4_SCL), (IEN | PTU | EN | M0)) /*I2C4_SCL*/\
1008 MUX_VAL(CP(I2C4_SDA), (IEN | PTU | EN | M0)) /*I2C4_SDA*/\
1009 MUX_VAL(CP(McBSP1_DX), (IEN | PTD | DIS | M4)) /*GPIO_158*/\
1010 MUX_VAL(CP(SYS_32K), (IEN | PTD | DIS | M0)) /*SYS_32K*/\
1011 MUX_VAL(CP(SYS_BOOT0), (IEN | PTD | DIS | M4)) /*GPIO_2 */\
1012 MUX_VAL(CP(SYS_BOOT1), (IEN | PTD | DIS | M4)) /*GPIO_3 */\
1013 MUX_VAL(CP(SYS_BOOT2), (IEN | PTD | DIS | M4)) /*GPIO_4 */\
1014 MUX_VAL(CP(SYS_BOOT3), (IEN | PTD | DIS | M4)) /*GPIO_5 */\
1015 MUX_VAL(CP(SYS_BOOT4), (IEN | PTD | DIS | M4)) /*GPIO_6 */\
1016 MUX_VAL(CP(SYS_BOOT5), (IEN | PTD | DIS | M4)) /*GPIO_7 */\
1017 MUX_VAL(CP(SYS_BOOT6), (IEN | PTD | DIS | M4)) /*GPIO_8 */\
1018 MUX_VAL(CP(SYS_CLKOUT2), (IEN | PTU | EN | M4)) /*GPIO_186*/\
1019 MUX_VAL(CP(JTAG_nTRST), (IEN | PTD | DIS | M0)) /*JTAG_nTRST*/\
1020 MUX_VAL(CP(JTAG_TCK), (IEN | PTD | DIS | M0)) /*JTAG_TCK*/\
1021 MUX_VAL(CP(JTAG_TMS), (IEN | PTD | DIS | M0)) /*JTAG_TMS*/\
1022 MUX_VAL(CP(JTAG_TDI), (IEN | PTD | DIS | M0)) /*JTAG_TDI*/\
1023 MUX_VAL(CP(JTAG_EMU0), (IEN | PTD | DIS | M0)) /*JTAG_EMU0*/\
1024 MUX_VAL(CP(JTAG_EMU1), (IEN | PTD | DIS | M0)) /*JTAG_EMU1*/\
1025 MUX_VAL(CP(ETK_CLK), (IEN | PTD | DIS | M4)) /*GPIO_12*/\
1026 MUX_VAL(CP(ETK_CTL), (IEN | PTD | DIS | M4)) /*GPIO_13*/\
1027 MUX_VAL(CP(ETK_D0), (IEN | PTD | DIS | M4)) /*GPIO_14*/\
1028 MUX_VAL(CP(ETK_D1), (IEN | PTD | DIS | M4)) /*GPIO_15*/\
1029 MUX_VAL(CP(ETK_D2), (IEN | PTD | DIS | M4)) /*GPIO_16*/\
1030 MUX_VAL(CP(ETK_D10), (IEN | PTD | DIS | M4)) /*GPIO_24*/\
1031 MUX_VAL(CP(ETK_D11), (IEN | PTD | DIS | M4)) /*GPIO_25*/\
1032 MUX_VAL(CP(ETK_D12), (IEN | PTD | DIS | M4)) /*GPIO_26*/\
1033 MUX_VAL(CP(ETK_D13), (IEN | PTD | DIS | M4)) /*GPIO_27*/\
1034 MUX_VAL(CP(ETK_D14), (IEN | PTD | DIS | M4)) /*GPIO_28*/\
1035 MUX_VAL(CP(ETK_D15), (IEN | PTD | DIS | M4)) /*GPIO_29*/
1037 /**********************************************************
1038 * Routine: set_muxconf_regs
1039 * Description: Setting up the configuration Mux registers
1040 * specific to the hardware. Many pins need
1041 * to be moved from protect to primary mode.
1042 *********************************************************/
1043 void set_muxconf_regs(void)
1048 /**********************************************************
1049 * Routine: nand+_init
1050 * Description: Set up nand for nand and jffs2 commands
1051 *********************************************************/
1055 /* global settings */
1056 __raw_writel(0x10, GPMC_SYSCONFIG); /* smart idle */
1057 __raw_writel(0x0, GPMC_IRQENABLE); /* isr's sources masked */
1058 __raw_writel(0, GPMC_TIMEOUT_CONTROL);/* timeout disable */
1060 /* Set the GPMC Vals, NAND is mapped at CS0, oneNAND at CS0.
1061 * We configure only GPMC CS0 with required values. Configiring other devices
1062 * at other CS is done in u-boot. So we don't have to bother doing it here.
1064 __raw_writel(0 , GPMC_CONFIG7 + GPMC_CONFIG_CS0);
1067 #ifdef CFG_NAND_K9F1G08R0A
1068 if ((get_mem_type() == GPMC_NAND) || (get_mem_type() == MMC_NAND)) {
1069 __raw_writel(M_NAND_GPMC_CONFIG1, GPMC_CONFIG1 + GPMC_CONFIG_CS0);
1070 __raw_writel(M_NAND_GPMC_CONFIG2, GPMC_CONFIG2 + GPMC_CONFIG_CS0);
1071 __raw_writel(M_NAND_GPMC_CONFIG3, GPMC_CONFIG3 + GPMC_CONFIG_CS0);
1072 __raw_writel(M_NAND_GPMC_CONFIG4, GPMC_CONFIG4 + GPMC_CONFIG_CS0);
1073 __raw_writel(M_NAND_GPMC_CONFIG5, GPMC_CONFIG5 + GPMC_CONFIG_CS0);
1074 __raw_writel(M_NAND_GPMC_CONFIG6, GPMC_CONFIG6 + GPMC_CONFIG_CS0);
1076 /* Enable the GPMC Mapping */
1077 __raw_writel((((OMAP34XX_GPMC_CS0_SIZE & 0xF)<<8) |
1078 ((NAND_BASE_ADR>>24) & 0x3F) |
1079 (1<<6)), (GPMC_CONFIG7 + GPMC_CONFIG_CS0));
1084 printf("Unsupported Chip!\n");
1092 if ((get_mem_type() == GPMC_ONENAND) || (get_mem_type() == MMC_ONENAND)) {
1093 __raw_writel(ONENAND_GPMC_CONFIG1, GPMC_CONFIG1 + GPMC_CONFIG_CS0);
1094 __raw_writel(ONENAND_GPMC_CONFIG2, GPMC_CONFIG2 + GPMC_CONFIG_CS0);
1095 __raw_writel(ONENAND_GPMC_CONFIG3, GPMC_CONFIG3 + GPMC_CONFIG_CS0);
1096 __raw_writel(ONENAND_GPMC_CONFIG4, GPMC_CONFIG4 + GPMC_CONFIG_CS0);
1097 __raw_writel(ONENAND_GPMC_CONFIG5, GPMC_CONFIG5 + GPMC_CONFIG_CS0);
1098 __raw_writel(ONENAND_GPMC_CONFIG6, GPMC_CONFIG6 + GPMC_CONFIG_CS0);
1100 /* Enable the GPMC Mapping */
1101 __raw_writel((((OMAP34XX_GPMC_CS0_SIZE & 0xF)<<8) |
1102 ((ONENAND_BASE>>24) & 0x3F) |
1103 (1<<6)), (GPMC_CONFIG7 + GPMC_CONFIG_CS0));
1106 if (onenand_chip()) {
1108 printf("OneNAND Unsupported !\n");
1118 /* optionally do something like blinking LED */
1119 void board_hang(void)
1125 /******************************************************************************
1126 * Dummy function to handle errors for EABI incompatibility
1127 *****************************************************************************/
1132 /******************************************************************************
1133 * Dummy function to handle errors for EABI incompatibility
1134 *****************************************************************************/