3 * Texas Instruments, <www.ti.com>
4 * Jian Zhang <jzhang@ti.com>
5 * Richard Woodruff <r-woodruff2@ti.com>
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
30 #include <asm/arch/cpu.h>
31 #include <asm/arch/bits.h>
32 #include <asm/arch/mux.h>
33 #include <asm/arch/gpio.h>
34 #include <asm/arch/sys_proto.h>
35 #include <asm/arch/sys_info.h>
36 #include <asm/arch/clocks.h>
37 #include <asm/arch/mem.h>
40 #define CORE_DPLL_PARAM_M2 0x09
41 #define CORE_DPLL_PARAM_M 0x360
42 #define CORE_DPLL_PARAM_N 0xC
44 /* BeagleBoard revisions */
45 #define REVISION_AXBX 0x7
46 #define REVISION_CX 0x6
47 #define REVISION_C4 0x5
48 #define REVISION_XM 0x0
50 /* Used to index into DPLL parameter tables */
58 typedef struct dpll_param dpll_param;
60 /* Following functions are exported from lowlevel_init.S */
61 extern dpll_param *get_mpu_dpll_param();
62 extern dpll_param *get_iva_dpll_param();
63 extern dpll_param *get_core_dpll_param();
64 extern dpll_param *get_per_dpll_param();
66 #define __raw_readl(a) (*(volatile unsigned int *)(a))
67 #define __raw_writel(v, a) (*(volatile unsigned int *)(a) = (v))
68 #define __raw_readw(a) (*(volatile unsigned short *)(a))
69 #define __raw_writew(v, a) (*(volatile unsigned short *)(a) = (v))
71 /*******************************************************
73 * Description: spinning delay to use before udelay works
74 ******************************************************/
75 static inline void delay(unsigned long loops)
77 __asm__ volatile ("1:\n" "subs %0, %1, #1\n"
78 "bne 1b":"=r" (loops):"0"(loops));
81 void udelay (unsigned long usecs) {
85 /*****************************************
87 * Description: Early hardware init.
88 *****************************************/
94 /*************************************************************
95 * get_device_type(): tell if GP/HS/EMU/TST
96 *************************************************************/
97 u32 get_device_type(void)
100 mode = __raw_readl(CONTROL_STATUS) & (DEVICE_MASK);
104 /************************************************
105 * get_sysboot_value(void) - return SYS_BOOT[4:0]
106 ************************************************/
107 u32 get_sysboot_value(void)
110 mode = __raw_readl(CONTROL_STATUS) & (SYSBOOT_MASK);
114 /*************************************************************
115 * Routine: get_mem_type(void) - returns the kind of memory connected
116 * to GPMC that we are trying to boot form. Uses SYS BOOT settings.
117 *************************************************************/
118 u32 get_mem_type(void)
121 if (beagle_revision() == REVISION_XM)
124 u32 mem_type = get_sysboot_value();
166 /******************************************
167 * get_cpu_rev(void) - extract version info
168 ******************************************/
169 u32 get_cpu_rev(void)
172 /* On ES1.0 the IDCODE register is not exposed on L4
173 * so using CPU ID to differentiate
174 * between ES2.0 and ES1.0.
176 __asm__ __volatile__("mrc p15, 0, %0, c0, c0, 0":"=r" (cpuid));
177 if ((cpuid & 0xf) == 0x0)
184 /******************************************
185 * cpu_is_3410(void) - returns true for 3410
186 ******************************************/
187 u32 cpu_is_3410(void)
190 if (get_cpu_rev() < CPU_3430_ES2) {
193 /* read scalability status and return 1 for 3410*/
194 status = __raw_readl(CONTROL_SCALABLE_OMAP_STATUS);
195 /* Check whether MPU frequency is set to 266 MHz which
196 * is nominal for 3410. If yes return true else false
198 if (((status >> 8) & 0x3) == 0x2)
205 /******************************************
207 * Description: Detect if we are running on a Beagle revision Ax/Bx,
208 * C1/2/3, C4 or D. This can be done by reading
209 * the level of GPIO173, GPIO172 and GPIO171. This should
211 * GPIO173, GPIO172, GPIO171: 1 1 1 => Ax/Bx
212 * GPIO173, GPIO172, GPIO171: 1 1 0 => C1/2/3
213 * GPIO173, GPIO172, GPIO171: 1 0 1 => C4
214 * GPIO173, GPIO172, GPIO171: 0 0 0 => XM
215 ******************************************/
216 int beagle_revision(void)
220 omap_request_gpio(171);
221 omap_request_gpio(172);
222 omap_request_gpio(173);
223 omap_set_gpio_direction(171, 1);
224 omap_set_gpio_direction(172, 1);
225 omap_set_gpio_direction(173, 1);
227 rev = omap_get_gpio_datain(173) << 2 |
228 omap_get_gpio_datain(172) << 1 |
229 omap_get_gpio_datain(171);
237 /*****************************************************************
238 * sr32 - clear & set a value in a bit range for a 32 bit address
239 *****************************************************************/
240 void sr32(u32 addr, u32 start_bit, u32 num_bits, u32 value)
245 tmp = __raw_readl(addr) & ~(msk << start_bit);
246 tmp |= value << start_bit;
247 __raw_writel(tmp, addr);
250 /*********************************************************************
251 * wait_on_value() - common routine to allow waiting for changes in
253 *********************************************************************/
254 u32 wait_on_value(u32 read_bit_mask, u32 match_value, u32 read_addr, u32 bound)
259 val = __raw_readl(read_addr) & read_bit_mask;
260 if (val == match_value)
267 #ifdef CFG_3430SDRAM_DDR
270 #define NUMONYX_MCP 1
271 int identify_xm_ddr()
275 __raw_writel(M_NAND_GPMC_CONFIG1, GPMC_CONFIG1 + GPMC_CONFIG_CS0);
276 __raw_writel(M_NAND_GPMC_CONFIG2, GPMC_CONFIG2 + GPMC_CONFIG_CS0);
277 __raw_writel(M_NAND_GPMC_CONFIG3, GPMC_CONFIG3 + GPMC_CONFIG_CS0);
278 __raw_writel(M_NAND_GPMC_CONFIG4, GPMC_CONFIG4 + GPMC_CONFIG_CS0);
279 __raw_writel(M_NAND_GPMC_CONFIG5, GPMC_CONFIG5 + GPMC_CONFIG_CS0);
280 __raw_writel(M_NAND_GPMC_CONFIG6, GPMC_CONFIG6 + GPMC_CONFIG_CS0);
282 /* Enable the GPMC Mapping */
283 __raw_writel((((OMAP34XX_GPMC_CS0_SIZE & 0xF)<<8) |
284 ((NAND_BASE_ADR>>24) & 0x3F) |
285 (1<<6)), (GPMC_CONFIG7 + GPMC_CONFIG_CS0));
288 nand_readid(&mfr, &id);
291 if ((mfr == 0x20) && (id == 0xba))
294 /*********************************************************************
295 * config_3430sdram_ddr() - Init DDR on 3430SDP dev board.
296 *********************************************************************/
297 void config_3430sdram_ddr(void)
299 /* reset sdrc controller */
300 __raw_writel(SOFTRESET, SDRC_SYSCONFIG);
301 wait_on_value(BIT0, BIT0, SDRC_STATUS, 12000000);
302 __raw_writel(0, SDRC_SYSCONFIG);
304 /* setup sdrc to ball mux */
305 __raw_writel(SDP_SDRC_SHARING, SDRC_SHARING);
307 switch(beagle_revision()) {
309 if (identify_xm_ddr() == NUMONYX_MCP) {
310 __raw_writel(0x4, SDRC_CS_CFG); /* 512MB/bank */
311 __raw_writel(SDP_SDRC_MDCFG_0_DDR_NUMONYX_XM, SDRC_MCFG_0);
312 __raw_writel(SDP_SDRC_MDCFG_0_DDR_NUMONYX_XM, SDRC_MCFG_1);
313 __raw_writel(NUMONYX_V_ACTIMA_165, SDRC_ACTIM_CTRLA_0);
314 __raw_writel(NUMONYX_V_ACTIMB_165, SDRC_ACTIM_CTRLB_0);
315 __raw_writel(NUMONYX_V_ACTIMA_165, SDRC_ACTIM_CTRLA_1);
316 __raw_writel(NUMONYX_V_ACTIMB_165, SDRC_ACTIM_CTRLB_1);
317 __raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_0);
318 __raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_1);
320 __raw_writel(0x1, SDRC_CS_CFG); /* 128MB/bank */
321 __raw_writel(SDP_SDRC_MDCFG_0_DDR, SDRC_MCFG_0);
322 __raw_writel(SDP_SDRC_MDCFG_0_DDR, SDRC_MCFG_1);
323 __raw_writel(MICRON_V_ACTIMA_165, SDRC_ACTIM_CTRLA_0);
324 __raw_writel(MICRON_V_ACTIMB_165, SDRC_ACTIM_CTRLB_0);
325 __raw_writel(MICRON_V_ACTIMA_165, SDRC_ACTIM_CTRLA_1);
326 __raw_writel(MICRON_V_ACTIMB_165, SDRC_ACTIM_CTRLB_1);
327 __raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_0);
328 __raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_1);
332 if (identify_xm_ddr() == MICRON_DDR) {
333 __raw_writel(0x2, SDRC_CS_CFG); /* 256MB/bank */
334 __raw_writel(SDP_SDRC_MDCFG_0_DDR_MICRON_XM, SDRC_MCFG_0);
335 __raw_writel(SDP_SDRC_MDCFG_0_DDR_MICRON_XM, SDRC_MCFG_1);
336 __raw_writel(MICRON_V_ACTIMA_200, SDRC_ACTIM_CTRLA_0);
337 __raw_writel(MICRON_V_ACTIMB_200, SDRC_ACTIM_CTRLB_0);
338 __raw_writel(MICRON_V_ACTIMA_200, SDRC_ACTIM_CTRLA_1);
339 __raw_writel(MICRON_V_ACTIMB_200, SDRC_ACTIM_CTRLB_1);
340 __raw_writel(SDP_3430_SDRC_RFR_CTRL_200MHz, SDRC_RFR_CTRL_0);
341 __raw_writel(SDP_3430_SDRC_RFR_CTRL_200MHz, SDRC_RFR_CTRL_1);
343 __raw_writel(0x4, SDRC_CS_CFG); /* 512MB/bank */
344 __raw_writel(SDP_SDRC_MDCFG_0_DDR_NUMONYX_XM, SDRC_MCFG_0);
345 __raw_writel(SDP_SDRC_MDCFG_0_DDR_NUMONYX_XM, SDRC_MCFG_1);
346 __raw_writel(NUMONYX_V_ACTIMA_165, SDRC_ACTIM_CTRLA_0);
347 __raw_writel(NUMONYX_V_ACTIMB_165, SDRC_ACTIM_CTRLB_0);
348 __raw_writel(NUMONYX_V_ACTIMA_165, SDRC_ACTIM_CTRLA_1);
349 __raw_writel(NUMONYX_V_ACTIMB_165, SDRC_ACTIM_CTRLB_1);
350 __raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_0);
351 __raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_1);
355 __raw_writel(0x1, SDRC_CS_CFG); /* 128MB/bank */
356 __raw_writel(SDP_SDRC_MDCFG_0_DDR, SDRC_MCFG_0);
357 __raw_writel(SDP_SDRC_MDCFG_0_DDR, SDRC_MCFG_1);
358 __raw_writel(MICRON_V_ACTIMA_165, SDRC_ACTIM_CTRLA_0);
359 __raw_writel(MICRON_V_ACTIMB_165, SDRC_ACTIM_CTRLB_0);
360 __raw_writel(MICRON_V_ACTIMA_165, SDRC_ACTIM_CTRLA_1);
361 __raw_writel(MICRON_V_ACTIMB_165, SDRC_ACTIM_CTRLB_1);
362 __raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_0);
363 __raw_writel(SDP_3430_SDRC_RFR_CTRL_165MHz, SDRC_RFR_CTRL_1);
366 __raw_writel(SDP_SDRC_POWER_POP, SDRC_POWER);
368 /* init sequence for mDDR/mSDR using manual commands (DDR is different) */
369 __raw_writel(CMD_NOP, SDRC_MANUAL_0);
370 __raw_writel(CMD_NOP, SDRC_MANUAL_1);
374 __raw_writel(CMD_PRECHARGE, SDRC_MANUAL_0);
375 __raw_writel(CMD_PRECHARGE, SDRC_MANUAL_1);
377 __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_0);
378 __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_1);
380 __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_0);
381 __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_1);
384 __raw_writel(SDP_SDRC_MR_0_DDR, SDRC_MR_0);
385 __raw_writel(SDP_SDRC_MR_0_DDR, SDRC_MR_1);
388 __raw_writel(SDP_SDRC_DLLAB_CTRL, SDRC_DLLA_CTRL);
389 delay(0x2000); /* give time to lock */
392 #endif /* CFG_3430SDRAM_DDR */
394 /*************************************************************
395 * get_sys_clk_speed - determine reference oscillator speed
396 * based on known 32kHz clock and gptimer.
397 *************************************************************/
398 u32 get_osc_clk_speed(void)
400 u32 start, cstart, cend, cdiff, cdiv, val;
402 val = __raw_readl(PRM_CLKSRC_CTRL);
404 if (val & SYSCLKDIV_2)
410 val = __raw_readl(CM_CLKSEL_WKUP) | BIT0;
411 __raw_writel(val, CM_CLKSEL_WKUP); /* select sys_clk for GPT1 */
413 /* Enable I and F Clocks for GPT1 */
414 val = __raw_readl(CM_ICLKEN_WKUP) | BIT0 | BIT2;
415 __raw_writel(val, CM_ICLKEN_WKUP);
416 val = __raw_readl(CM_FCLKEN_WKUP) | BIT0;
417 __raw_writel(val, CM_FCLKEN_WKUP);
419 __raw_writel(0, OMAP34XX_GPT1 + TLDR); /* start counting at 0 */
420 __raw_writel(GPT_EN, OMAP34XX_GPT1 + TCLR); /* enable clock */
421 /* enable 32kHz source */
422 /* enabled out of reset */
423 /* determine sys_clk via gauging */
425 start = 20 + __raw_readl(S32K_CR); /* start time in 20 cycles */
426 while (__raw_readl(S32K_CR) < start) ; /* dead loop till start time */
427 cstart = __raw_readl(OMAP34XX_GPT1 + TCRR); /* get start sys_clk count */
428 while (__raw_readl(S32K_CR) < (start + 20)) ; /* wait for 40 cycles */
429 cend = __raw_readl(OMAP34XX_GPT1 + TCRR); /* get end sys_clk count */
430 cdiff = cend - cstart; /* get elapsed ticks */
433 /* based on number of ticks assign speed */
436 else if (cdiff > 15200)
438 else if (cdiff > 13000)
440 else if (cdiff > 9000)
442 else if (cdiff > 7600)
448 /******************************************************************************
449 * get_sys_clkin_sel() - returns the sys_clkin_sel field value based on
450 * -- input oscillator clock frequency.
452 *****************************************************************************/
453 void get_sys_clkin_sel(u32 osc_clk, u32 *sys_clkin_sel)
455 if (osc_clk == S38_4M)
457 else if (osc_clk == S26M)
459 else if (osc_clk == S19_2M)
461 else if (osc_clk == S13M)
463 else if (osc_clk == S12M)
467 /******************************************************************************
468 * prcm_init() - inits clocks for PRCM as defined in clocks.h
469 * -- called from SRAM, or Flash (using temp SRAM stack).
470 *****************************************************************************/
473 u32 osc_clk = 0, sys_clkin_sel;
474 dpll_param *dpll_param_p;
475 u32 clk_index, sil_index;
477 /* Gauge the input clock speed and find out the sys_clkin_sel
478 * value corresponding to the input clock.
480 osc_clk = get_osc_clk_speed();
481 get_sys_clkin_sel(osc_clk, &sys_clkin_sel);
483 sr32(PRM_CLKSEL, 0, 3, sys_clkin_sel); /* set input crystal speed */
485 /* If the input clock is greater than 19.2M always divide/2 */
486 if (sys_clkin_sel > 2) {
487 sr32(PRM_CLKSRC_CTRL, 6, 2, 2); /* input clock divider */
488 clk_index = sys_clkin_sel / 2;
490 sr32(PRM_CLKSRC_CTRL, 6, 2, 1); /* input clock divider */
491 clk_index = sys_clkin_sel;
494 sr32(PRM_CLKSRC_CTRL, 0, 2, 0);/* Bypass mode: T2 inputs a square clock */
496 /* The DPLL tables are defined according to sysclk value and
497 * silicon revision. The clk_index value will be used to get
498 * the values for that input sysclk from the DPLL param table
499 * and sil_index will get the values for that SysClk for the
500 * appropriate silicon rev.
502 sil_index = get_cpu_rev() - 1;
504 /* Unlock MPU DPLL (slows things down, and needed later) */
505 sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOW_POWER_BYPASS);
506 wait_on_value(BIT0, 0, CM_IDLEST_PLL_MPU, LDELAY);
508 /* Getting the base address of Core DPLL param table */
509 dpll_param_p = (dpll_param *) get_core_dpll_param();
510 /* Moving it to the right sysclk and ES rev base */
511 dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
513 /* sr32(CM_CLKSEL2_EMU) set override to work when asleep */
514 sr32(CM_CLKEN_PLL, 0, 3, PLL_FAST_RELOCK_BYPASS);
515 wait_on_value(BIT0, 0, CM_IDLEST_CKGEN, LDELAY);
517 /* For 3430 ES1.0 Errata 1.50, default value directly doesnt
518 work. write another value and then default value. */
519 sr32(CM_CLKSEL1_EMU, 16, 5, CORE_M3X2 + 1); /* m3x2 */
520 sr32(CM_CLKSEL1_EMU, 16, 5, CORE_M3X2); /* m3x2 */
521 sr32(CM_CLKSEL1_PLL, 27, 2, dpll_param_p->m2); /* Set M2 */
522 sr32(CM_CLKSEL1_PLL, 16, 11, dpll_param_p->m); /* Set M */
523 sr32(CM_CLKSEL1_PLL, 8, 7, dpll_param_p->n); /* Set N */
524 sr32(CM_CLKSEL1_PLL, 6, 1, 0); /* 96M Src */
525 sr32(CM_CLKSEL_CORE, 8, 4, CORE_SSI_DIV); /* ssi */
526 sr32(CM_CLKSEL_CORE, 4, 2, CORE_FUSB_DIV); /* fsusb */
527 sr32(CM_CLKSEL_CORE, 2, 2, CORE_L4_DIV); /* l4 */
528 sr32(CM_CLKSEL_CORE, 0, 2, CORE_L3_DIV); /* l3 */
529 sr32(CM_CLKSEL_GFX, 0, 3, GFX_DIV); /* gfx */
530 sr32(CM_CLKSEL_WKUP, 1, 2, WKUP_RSM); /* reset mgr */
531 sr32(CM_CLKEN_PLL, 4, 4, dpll_param_p->fsel); /* FREQSEL */
532 sr32(CM_CLKEN_PLL, 0, 3, PLL_LOCK); /* lock mode */
533 wait_on_value(BIT0, 1, CM_IDLEST_CKGEN, LDELAY);
535 /* Getting the base address to PER DPLL param table */
536 dpll_param_p = (dpll_param *) get_per_dpll_param();
537 /* Moving it to the right sysclk base */
538 dpll_param_p = dpll_param_p + clk_index;
540 sr32(CM_CLKEN_PLL, 16, 3, PLL_STOP);
541 wait_on_value(BIT1, 0, CM_IDLEST_CKGEN, LDELAY);
542 sr32(CM_CLKSEL1_EMU, 24, 5, PER_M6X2); /* set M6 */
543 sr32(CM_CLKSEL_CAM, 0, 5, PER_M5X2); /* set M5 */
544 sr32(CM_CLKSEL_DSS, 0, 5, PER_M4X2); /* set M4 */
545 sr32(CM_CLKSEL_DSS, 8, 5, PER_M3X2); /* set M3 */
547 if (beagle_revision() == REVISION_XM) {
548 sr32(CM_CLKSEL3_PLL, 0, 5, CORE_DPLL_PARAM_M2); /* set M2 */
549 sr32(CM_CLKSEL2_PLL, 8, 11, CORE_DPLL_PARAM_M); /* set m */
550 sr32(CM_CLKSEL2_PLL, 0, 7, CORE_DPLL_PARAM_N); /* set n */
552 sr32(CM_CLKSEL3_PLL, 0, 5, dpll_param_p->m2); /* set M2 */
553 sr32(CM_CLKSEL2_PLL, 8, 11, dpll_param_p->m); /* set m */
554 sr32(CM_CLKSEL2_PLL, 0, 7, dpll_param_p->n); /* set n */
557 sr32(CM_CLKEN_PLL, 20, 4, dpll_param_p->fsel); /* FREQSEL */
558 sr32(CM_CLKEN_PLL, 16, 3, PLL_LOCK); /* lock mode */
559 wait_on_value(BIT1, 2, CM_IDLEST_CKGEN, LDELAY);
561 /* Getting the base address to MPU DPLL param table */
562 dpll_param_p = (dpll_param *) get_mpu_dpll_param();
564 /* Moving it to the right sysclk and ES rev base */
565 dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
567 /* MPU DPLL (unlocked already) */
568 sr32(CM_CLKSEL2_PLL_MPU, 0, 5, dpll_param_p->m2); /* Set M2 */
569 sr32(CM_CLKSEL1_PLL_MPU, 8, 11, dpll_param_p->m); /* Set M */
570 sr32(CM_CLKSEL1_PLL_MPU, 0, 7, dpll_param_p->n); /* Set N */
571 sr32(CM_CLKEN_PLL_MPU, 4, 4, dpll_param_p->fsel); /* FREQSEL */
572 sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOCK); /* lock mode */
573 wait_on_value(BIT0, 1, CM_IDLEST_PLL_MPU, LDELAY);
575 /* Getting the base address to IVA DPLL param table */
576 dpll_param_p = (dpll_param *) get_iva_dpll_param();
577 /* Moving it to the right sysclk and ES rev base */
578 dpll_param_p = dpll_param_p + 3 * clk_index + sil_index;
579 /* IVA DPLL (set to 12*20=240MHz) */
580 sr32(CM_CLKEN_PLL_IVA2, 0, 3, PLL_STOP);
581 wait_on_value(BIT0, 0, CM_IDLEST_PLL_IVA2, LDELAY);
582 sr32(CM_CLKSEL2_PLL_IVA2, 0, 5, dpll_param_p->m2); /* set M2 */
583 sr32(CM_CLKSEL1_PLL_IVA2, 8, 11, dpll_param_p->m); /* set M */
584 sr32(CM_CLKSEL1_PLL_IVA2, 0, 7, dpll_param_p->n); /* set N */
585 sr32(CM_CLKEN_PLL_IVA2, 4, 4, dpll_param_p->fsel); /* FREQSEL */
586 sr32(CM_CLKEN_PLL_IVA2, 0, 3, PLL_LOCK); /* lock mode */
587 wait_on_value(BIT0, 1, CM_IDLEST_PLL_IVA2, LDELAY);
589 /* Set up GPTimers to sys_clk source only */
590 sr32(CM_CLKSEL_PER, 0, 8, 0xff);
591 sr32(CM_CLKSEL_WKUP, 0, 1, 1);
596 /*****************************************
597 * Routine: secure_unlock
598 * Description: Setup security registers for access
600 *****************************************/
601 void secure_unlock(void)
603 /* Permission values for registers -Full fledged permissions to all */
604 #define UNLOCK_1 0xFFFFFFFF
605 #define UNLOCK_2 0x00000000
606 #define UNLOCK_3 0x0000FFFF
607 /* Protection Module Register Target APE (PM_RT) */
608 __raw_writel(UNLOCK_1, RT_REQ_INFO_PERMISSION_1);
609 __raw_writel(UNLOCK_1, RT_READ_PERMISSION_0);
610 __raw_writel(UNLOCK_1, RT_WRITE_PERMISSION_0);
611 __raw_writel(UNLOCK_2, RT_ADDR_MATCH_1);
613 __raw_writel(UNLOCK_3, GPMC_REQ_INFO_PERMISSION_0);
614 __raw_writel(UNLOCK_3, GPMC_READ_PERMISSION_0);
615 __raw_writel(UNLOCK_3, GPMC_WRITE_PERMISSION_0);
617 __raw_writel(UNLOCK_3, OCM_REQ_INFO_PERMISSION_0);
618 __raw_writel(UNLOCK_3, OCM_READ_PERMISSION_0);
619 __raw_writel(UNLOCK_3, OCM_WRITE_PERMISSION_0);
620 __raw_writel(UNLOCK_2, OCM_ADDR_MATCH_2);
623 __raw_writel(UNLOCK_3, IVA2_REQ_INFO_PERMISSION_0);
624 __raw_writel(UNLOCK_3, IVA2_READ_PERMISSION_0);
625 __raw_writel(UNLOCK_3, IVA2_WRITE_PERMISSION_0);
627 __raw_writel(UNLOCK_1, SMS_RG_ATT0); /* SDRC region 0 public */
630 /**********************************************************
631 * Routine: try_unlock_sram()
632 * Description: If chip is GP type, unlock the SRAM for
634 ***********************************************************/
635 void try_unlock_memory(void)
639 /* if GP device unlock device SRAM for general use */
640 /* secure code breaks for Secure/Emulation device - HS/E/T */
641 mode = get_device_type();
642 if (mode == GP_DEVICE)
647 /**********************************************************
649 * Description: Does early system init of muxing and clocks.
650 * - Called at time when only stack is available.
651 **********************************************************/
656 #ifdef CONFIG_3430_AS_3410
657 /* setup the scalability control register for
658 * 3430 to work in 3410 mode
660 __raw_writel(0x5ABF, CONTROL_SCALABLE_OMAP_OCP);
667 config_3430sdram_ddr();
670 /*******************************************************
671 * Routine: misc_init_r
672 * Description: Init ethernet (done here so udelay works)
673 ********************************************************/
674 int misc_init_r(void)
678 rev = beagle_revision();
681 printf("Beagle Rev Ax/Bx\n");
684 printf("Beagle Rev C1/C2/C3\n");
687 if (identify_xm_ddr() == NUMONYX_MCP)
688 printf("Beagle Rev C4 from Special Computing\n");
690 printf("Beagle Rev C4\n");
693 printf("Beagle xM Rev A\n");
696 printf("Beagle unknown 0x%02x\n", rev);
702 /******************************************************
703 * Routine: wait_for_command_complete
704 * Description: Wait for posting to finish on watchdog
705 ******************************************************/
706 void wait_for_command_complete(unsigned int wd_base)
710 pending = __raw_readl(wd_base + WWPS);
714 /****************************************
715 * Routine: watchdog_init
716 * Description: Shut down watch dogs
717 *****************************************/
718 void watchdog_init(void)
720 /* There are 3 watch dogs WD1=Secure, WD2=MPU, WD3=IVA. WD1 is
721 * either taken care of by ROM (HS/EMU) or not accessible (GP).
722 * We need to take care of WD2-MPU or take a PRCM reset. WD3
723 * should not be running and does not generate a PRCM reset.
725 sr32(CM_FCLKEN_WKUP, 5, 1, 1);
726 sr32(CM_ICLKEN_WKUP, 5, 1, 1);
727 wait_on_value(BIT5, 0x20, CM_IDLEST_WKUP, 5); /* some issue here */
729 __raw_writel(WD_UNLOCK1, WD2_BASE + WSPR);
730 wait_for_command_complete(WD2_BASE);
731 __raw_writel(WD_UNLOCK2, WD2_BASE + WSPR);
734 /**********************************************
736 * Description: sets uboots idea of sdram size
737 **********************************************/
743 /*****************************************************************
744 * Routine: peripheral_enable
745 * Description: Enable the clks & power for perifs (GPT2, UART1,...)
746 ******************************************************************/
747 void per_clocks_enable(void)
749 /* Enable GP2 timer. */
750 sr32(CM_CLKSEL_PER, 0, 1, 0x1); /* GPT2 = sys clk */
751 sr32(CM_ICLKEN_PER, 3, 1, 0x1); /* ICKen GPT2 */
752 sr32(CM_FCLKEN_PER, 3, 1, 0x1); /* FCKen GPT2 */
756 sr32(CM_FCLKEN1_CORE, 13, 1, 0x1);
757 sr32(CM_ICLKEN1_CORE, 13, 1, 0x1);
760 sr32(CM_FCLKEN_PER, 11, 1, 0x1);
761 sr32(CM_ICLKEN_PER, 11, 1, 0x1);
765 #ifdef CONFIG_DRIVER_OMAP34XX_I2C
766 /* Turn on all 3 I2C clocks */
767 sr32(CM_FCLKEN1_CORE, 15, 3, 0x7);
768 sr32(CM_ICLKEN1_CORE, 15, 3, 0x7); /* I2C1,2,3 = on */
771 /* Enable the ICLK for 32K Sync Timer as its used in udelay */
772 sr32(CM_ICLKEN_WKUP, 2, 1, 0x1);
774 sr32(CM_FCLKEN_IVA2, 0, 32, FCK_IVA2_ON);
775 sr32(CM_FCLKEN1_CORE, 0, 32, FCK_CORE1_ON);
776 sr32(CM_ICLKEN1_CORE, 0, 32, ICK_CORE1_ON);
777 sr32(CM_ICLKEN2_CORE, 0, 32, ICK_CORE2_ON);
778 sr32(CM_FCLKEN_WKUP, 0, 32, FCK_WKUP_ON);
779 sr32(CM_ICLKEN_WKUP, 0, 32, ICK_WKUP_ON);
780 sr32(CM_FCLKEN_DSS, 0, 32, FCK_DSS_ON);
781 sr32(CM_ICLKEN_DSS, 0, 32, ICK_DSS_ON);
782 sr32(CM_FCLKEN_CAM, 0, 32, FCK_CAM_ON);
783 sr32(CM_ICLKEN_CAM, 0, 32, ICK_CAM_ON);
784 sr32(CM_FCLKEN_PER, 0, 32, FCK_PER_ON);
785 sr32(CM_ICLKEN_PER, 0, 32, ICK_PER_ON);
787 /* Enable GPIO 5 & GPIO 6 clocks */
788 sr32(CM_FCLKEN_PER, 17, 2, 0x3);
789 sr32(CM_ICLKEN_PER, 17, 2, 0x3);
794 /* Set MUX for UART, GPMC, SDRC, GPIO */
796 #define MUX_VAL(OFFSET,VALUE)\
797 __raw_writew((VALUE), OMAP34XX_CTRL_BASE + (OFFSET));
799 #define CP(x) (CONTROL_PADCONF_##x)
802 * IDIS - Input Disable
803 * PTD - Pull type Down
805 * DIS - Pull type selection is inactive
806 * EN - Pull type selection is active
808 * The commented string gives the final mux configuration for that pin
810 #define MUX_DEFAULT()\
811 MUX_VAL(CP(SDRC_D0), (IEN | PTD | DIS | M0)) /*SDRC_D0*/\
812 MUX_VAL(CP(SDRC_D1), (IEN | PTD | DIS | M0)) /*SDRC_D1*/\
813 MUX_VAL(CP(SDRC_D2), (IEN | PTD | DIS | M0)) /*SDRC_D2*/\
814 MUX_VAL(CP(SDRC_D3), (IEN | PTD | DIS | M0)) /*SDRC_D3*/\
815 MUX_VAL(CP(SDRC_D4), (IEN | PTD | DIS | M0)) /*SDRC_D4*/\
816 MUX_VAL(CP(SDRC_D5), (IEN | PTD | DIS | M0)) /*SDRC_D5*/\
817 MUX_VAL(CP(SDRC_D6), (IEN | PTD | DIS | M0)) /*SDRC_D6*/\
818 MUX_VAL(CP(SDRC_D7), (IEN | PTD | DIS | M0)) /*SDRC_D7*/\
819 MUX_VAL(CP(SDRC_D8), (IEN | PTD | DIS | M0)) /*SDRC_D8*/\
820 MUX_VAL(CP(SDRC_D9), (IEN | PTD | DIS | M0)) /*SDRC_D9*/\
821 MUX_VAL(CP(SDRC_D10), (IEN | PTD | DIS | M0)) /*SDRC_D10*/\
822 MUX_VAL(CP(SDRC_D11), (IEN | PTD | DIS | M0)) /*SDRC_D11*/\
823 MUX_VAL(CP(SDRC_D12), (IEN | PTD | DIS | M0)) /*SDRC_D12*/\
824 MUX_VAL(CP(SDRC_D13), (IEN | PTD | DIS | M0)) /*SDRC_D13*/\
825 MUX_VAL(CP(SDRC_D14), (IEN | PTD | DIS | M0)) /*SDRC_D14*/\
826 MUX_VAL(CP(SDRC_D15), (IEN | PTD | DIS | M0)) /*SDRC_D15*/\
827 MUX_VAL(CP(SDRC_D16), (IEN | PTD | DIS | M0)) /*SDRC_D16*/\
828 MUX_VAL(CP(SDRC_D17), (IEN | PTD | DIS | M0)) /*SDRC_D17*/\
829 MUX_VAL(CP(SDRC_D18), (IEN | PTD | DIS | M0)) /*SDRC_D18*/\
830 MUX_VAL(CP(SDRC_D19), (IEN | PTD | DIS | M0)) /*SDRC_D19*/\
831 MUX_VAL(CP(SDRC_D20), (IEN | PTD | DIS | M0)) /*SDRC_D20*/\
832 MUX_VAL(CP(SDRC_D21), (IEN | PTD | DIS | M0)) /*SDRC_D21*/\
833 MUX_VAL(CP(SDRC_D22), (IEN | PTD | DIS | M0)) /*SDRC_D22*/\
834 MUX_VAL(CP(SDRC_D23), (IEN | PTD | DIS | M0)) /*SDRC_D23*/\
835 MUX_VAL(CP(SDRC_D24), (IEN | PTD | DIS | M0)) /*SDRC_D24*/\
836 MUX_VAL(CP(SDRC_D25), (IEN | PTD | DIS | M0)) /*SDRC_D25*/\
837 MUX_VAL(CP(SDRC_D26), (IEN | PTD | DIS | M0)) /*SDRC_D26*/\
838 MUX_VAL(CP(SDRC_D27), (IEN | PTD | DIS | M0)) /*SDRC_D27*/\
839 MUX_VAL(CP(SDRC_D28), (IEN | PTD | DIS | M0)) /*SDRC_D28*/\
840 MUX_VAL(CP(SDRC_D29), (IEN | PTD | DIS | M0)) /*SDRC_D29*/\
841 MUX_VAL(CP(SDRC_D30), (IEN | PTD | DIS | M0)) /*SDRC_D30*/\
842 MUX_VAL(CP(SDRC_D31), (IEN | PTD | DIS | M0)) /*SDRC_D31*/\
843 MUX_VAL(CP(SDRC_CLK), (IEN | PTD | DIS | M0)) /*SDRC_CLK*/\
844 MUX_VAL(CP(SDRC_DQS0), (IEN | PTD | DIS | M0)) /*SDRC_DQS0*/\
845 MUX_VAL(CP(SDRC_DQS1), (IEN | PTD | DIS | M0)) /*SDRC_DQS1*/\
846 MUX_VAL(CP(SDRC_DQS2), (IEN | PTD | DIS | M0)) /*SDRC_DQS2*/\
847 MUX_VAL(CP(SDRC_DQS3), (IEN | PTD | DIS | M0)) /*SDRC_DQS3*/\
848 MUX_VAL(CP(GPMC_A1), (IDIS | PTD | DIS | M0)) /*GPMC_A1*/\
849 MUX_VAL(CP(GPMC_A2), (IDIS | PTD | DIS | M0)) /*GPMC_A2*/\
850 MUX_VAL(CP(GPMC_A3), (IDIS | PTD | DIS | M0)) /*GPMC_A3*/\
851 MUX_VAL(CP(GPMC_A4), (IDIS | PTD | DIS | M0)) /*GPMC_A4*/\
852 MUX_VAL(CP(GPMC_A5), (IDIS | PTD | DIS | M0)) /*GPMC_A5*/\
853 MUX_VAL(CP(GPMC_A6), (IDIS | PTD | DIS | M0)) /*GPMC_A6*/\
854 MUX_VAL(CP(GPMC_A7), (IDIS | PTD | DIS | M0)) /*GPMC_A7*/\
855 MUX_VAL(CP(GPMC_A8), (IDIS | PTD | DIS | M0)) /*GPMC_A8*/\
856 MUX_VAL(CP(GPMC_A9), (IDIS | PTD | DIS | M0)) /*GPMC_A9*/\
857 MUX_VAL(CP(GPMC_A10), (IDIS | PTD | DIS | M0)) /*GPMC_A10*/\
858 MUX_VAL(CP(GPMC_D0), (IEN | PTD | DIS | M0)) /*GPMC_D0*/\
859 MUX_VAL(CP(GPMC_D1), (IEN | PTD | DIS | M0)) /*GPMC_D1*/\
860 MUX_VAL(CP(GPMC_D2), (IEN | PTD | DIS | M0)) /*GPMC_D2*/\
861 MUX_VAL(CP(GPMC_D3), (IEN | PTD | DIS | M0)) /*GPMC_D3*/\
862 MUX_VAL(CP(GPMC_D4), (IEN | PTD | DIS | M0)) /*GPMC_D4*/\
863 MUX_VAL(CP(GPMC_D5), (IEN | PTD | DIS | M0)) /*GPMC_D5*/\
864 MUX_VAL(CP(GPMC_D6), (IEN | PTD | DIS | M0)) /*GPMC_D6*/\
865 MUX_VAL(CP(GPMC_D7), (IEN | PTD | DIS | M0)) /*GPMC_D7*/\
866 MUX_VAL(CP(GPMC_D8), (IEN | PTD | DIS | M0)) /*GPMC_D8*/\
867 MUX_VAL(CP(GPMC_D9), (IEN | PTD | DIS | M0)) /*GPMC_D9*/\
868 MUX_VAL(CP(GPMC_D10), (IEN | PTD | DIS | M0)) /*GPMC_D10*/\
869 MUX_VAL(CP(GPMC_D11), (IEN | PTD | DIS | M0)) /*GPMC_D11*/\
870 MUX_VAL(CP(GPMC_D12), (IEN | PTD | DIS | M0)) /*GPMC_D12*/\
871 MUX_VAL(CP(GPMC_D13), (IEN | PTD | DIS | M0)) /*GPMC_D13*/\
872 MUX_VAL(CP(GPMC_D14), (IEN | PTD | DIS | M0)) /*GPMC_D14*/\
873 MUX_VAL(CP(GPMC_D15), (IEN | PTD | DIS | M0)) /*GPMC_D15*/\
874 MUX_VAL(CP(GPMC_nCS0), (IDIS | PTU | EN | M0)) /*GPMC_nCS0*/\
875 MUX_VAL(CP(GPMC_nCS1), (IDIS | PTU | EN | M0)) /*GPMC_nCS1*/\
876 MUX_VAL(CP(GPMC_nCS2), (IDIS | PTU | EN | M0)) /*GPMC_nCS2*/\
877 MUX_VAL(CP(GPMC_nCS3), (IDIS | PTU | EN | M0)) /*GPMC_nCS3*/\
878 MUX_VAL(CP(GPMC_nCS4), (IDIS | PTU | EN | M0)) /*GPMC_nCS4*/\
879 MUX_VAL(CP(GPMC_nCS5), (IDIS | PTD | DIS | M0)) /*GPMC_nCS5*/\
880 MUX_VAL(CP(GPMC_nCS6), (IEN | PTD | DIS | M1)) /*GPMC_nCS6*/\
881 MUX_VAL(CP(GPMC_nCS7), (IEN | PTU | EN | M1)) /*GPMC_nCS7*/\
882 MUX_VAL(CP(GPMC_CLK), (IDIS | PTD | DIS | M0)) /*GPMC_CLK*/\
883 MUX_VAL(CP(GPMC_nADV_ALE), (IDIS | PTD | DIS | M0)) /*GPMC_nADV_ALE*/\
884 MUX_VAL(CP(GPMC_nOE), (IDIS | PTD | DIS | M0)) /*GPMC_nOE*/\
885 MUX_VAL(CP(GPMC_nWE), (IDIS | PTD | DIS | M0)) /*GPMC_nWE*/\
886 MUX_VAL(CP(GPMC_nBE0_CLE), (IDIS | PTD | DIS | M0)) /*GPMC_nBE0_CLE*/\
887 MUX_VAL(CP(GPMC_nBE1), (IEN | PTD | DIS | M0)) /*GPIO_61*/\
888 MUX_VAL(CP(GPMC_nWP), (IEN | PTD | DIS | M0)) /*GPMC_nWP*/\
889 MUX_VAL(CP(GPMC_WAIT0), (IEN | PTU | EN | M0)) /*GPMC_WAIT0*/\
890 MUX_VAL(CP(GPMC_WAIT1), (IEN | PTU | EN | M0)) /*GPMC_WAIT1*/\
891 MUX_VAL(CP(GPMC_WAIT2), (IEN | PTU | EN | M0)) /*GPIO_64*/\
892 MUX_VAL(CP(GPMC_WAIT3), (IEN | PTU | EN | M0)) /*GPIO_65*/\
893 MUX_VAL(CP(DSS_DATA18), (IEN | PTD | DIS | M4)) /*GPIO_88*/\
894 MUX_VAL(CP(DSS_DATA19), (IEN | PTD | DIS | M4)) /*GPIO_89*/\
895 MUX_VAL(CP(DSS_DATA20), (IEN | PTD | DIS | M4)) /*GPIO_90*/\
896 MUX_VAL(CP(DSS_DATA21), (IEN | PTD | DIS | M4)) /*GPIO_91*/\
897 MUX_VAL(CP(CAM_WEN), (IEN | PTD | DIS | M4)) /*GPIO_167*/\
898 MUX_VAL(CP(MMC1_CLK), (IDIS | PTU | EN | M0)) /*MMC1_CLK*/\
899 MUX_VAL(CP(MMC1_CMD), (IEN | PTU | EN | M0)) /*MMC1_CMD*/\
900 MUX_VAL(CP(MMC1_DAT0), (IEN | PTU | EN | M0)) /*MMC1_DAT0*/\
901 MUX_VAL(CP(MMC1_DAT1), (IEN | PTU | EN | M0)) /*MMC1_DAT1*/\
902 MUX_VAL(CP(MMC1_DAT2), (IEN | PTU | EN | M0)) /*MMC1_DAT2*/\
903 MUX_VAL(CP(MMC1_DAT3), (IEN | PTU | EN | M0)) /*MMC1_DAT3*/\
904 MUX_VAL(CP(MMC1_DAT4), (IEN | PTU | EN | M0)) /*MMC1_DAT4*/\
905 MUX_VAL(CP(MMC1_DAT5), (IEN | PTU | EN | M0)) /*MMC1_DAT5*/\
906 MUX_VAL(CP(MMC1_DAT6), (IEN | PTU | EN | M0)) /*MMC1_DAT6*/\
907 MUX_VAL(CP(MMC1_DAT7), (IEN | PTU | EN | M0)) /*MMC1_DAT7*/\
908 MUX_VAL(CP(UART1_TX), (IDIS | PTD | DIS | M0)) /*UART1_TX*/\
909 MUX_VAL(CP(UART1_RTS), (IDIS | PTD | DIS | M4)) /*GPIO_149*/\
910 MUX_VAL(CP(UART1_CTS), (IDIS | PTD | DIS | M4)) /*GPIO_150*/\
911 MUX_VAL(CP(UART1_RX), (IEN | PTD | DIS | M0)) /*UART1_RX*/\
912 MUX_VAL(CP(UART3_CTS_RCTX), (IEN | PTD | EN | M0)) /*UART3_CTS_RCTX */\
913 MUX_VAL(CP(UART3_RTS_SD), (IDIS | PTD | DIS | M0)) /*UART3_RTS_SD */\
914 MUX_VAL(CP(UART3_RX_IRRX), (IEN | PTD | DIS | M0)) /*UART3_RX_IRRX*/\
915 MUX_VAL(CP(UART3_TX_IRTX), (IDIS | PTD | DIS | M0)) /*UART3_TX_IRTX*/\
916 MUX_VAL(CP(I2C1_SCL), (IEN | PTU | EN | M0)) /*I2C1_SCL*/\
917 MUX_VAL(CP(I2C1_SDA), (IEN | PTU | EN | M0)) /*I2C1_SDA*/\
918 MUX_VAL(CP(I2C2_SCL), (IEN | PTU | EN | M0)) /*I2C2_SCL*/\
919 MUX_VAL(CP(I2C2_SDA), (IEN | PTU | EN | M0)) /*I2C2_SDA*/\
920 MUX_VAL(CP(I2C3_SCL), (IEN | PTU | EN | M0)) /*I2C3_SCL*/\
921 MUX_VAL(CP(I2C3_SDA), (IEN | PTU | EN | M0)) /*I2C3_SDA*/\
922 MUX_VAL(CP(I2C4_SCL), (IEN | PTU | EN | M0)) /*I2C4_SCL*/\
923 MUX_VAL(CP(I2C4_SDA), (IEN | PTU | EN | M0)) /*I2C4_SDA*/\
924 MUX_VAL(CP(McSPI1_CLK), (IEN | PTU | EN | M4)) /*GPIO_171*/\
925 MUX_VAL(CP(McSPI1_SIMO), (IEN | PTU | EN | M4)) /*GPIO_172*/\
926 MUX_VAL(CP(McSPI1_SOMI), (IEN | PTU | EN | M4)) /*GPIO_173*/\
927 MUX_VAL(CP(McBSP1_DX), (IEN | PTD | DIS | M4)) /*GPIO_158*/\
928 MUX_VAL(CP(SYS_32K), (IEN | PTD | DIS | M0)) /*SYS_32K*/\
929 MUX_VAL(CP(SYS_BOOT0), (IEN | PTD | DIS | M4)) /*GPIO_2 */\
930 MUX_VAL(CP(SYS_BOOT1), (IEN | PTD | DIS | M4)) /*GPIO_3 */\
931 MUX_VAL(CP(SYS_BOOT2), (IEN | PTD | DIS | M4)) /*GPIO_4 */\
932 MUX_VAL(CP(SYS_BOOT3), (IEN | PTD | DIS | M4)) /*GPIO_5 */\
933 MUX_VAL(CP(SYS_BOOT4), (IEN | PTD | DIS | M4)) /*GPIO_6 */\
934 MUX_VAL(CP(SYS_BOOT5), (IEN | PTD | DIS | M4)) /*GPIO_7 */\
935 MUX_VAL(CP(SYS_BOOT6), (IEN | PTD | DIS | M4)) /*GPIO_8 */\
936 MUX_VAL(CP(SYS_CLKOUT2), (IEN | PTU | EN | M4)) /*GPIO_186*/\
937 MUX_VAL(CP(JTAG_nTRST), (IEN | PTD | DIS | M0)) /*JTAG_nTRST*/\
938 MUX_VAL(CP(JTAG_TCK), (IEN | PTD | DIS | M0)) /*JTAG_TCK*/\
939 MUX_VAL(CP(JTAG_TMS), (IEN | PTD | DIS | M0)) /*JTAG_TMS*/\
940 MUX_VAL(CP(JTAG_TDI), (IEN | PTD | DIS | M0)) /*JTAG_TDI*/\
941 MUX_VAL(CP(JTAG_EMU0), (IEN | PTD | DIS | M0)) /*JTAG_EMU0*/\
942 MUX_VAL(CP(JTAG_EMU1), (IEN | PTD | DIS | M0)) /*JTAG_EMU1*/\
943 MUX_VAL(CP(ETK_CLK), (IEN | PTD | DIS | M4)) /*GPIO_12*/\
944 MUX_VAL(CP(ETK_CTL), (IEN | PTD | DIS | M4)) /*GPIO_13*/\
945 MUX_VAL(CP(ETK_D0), (IEN | PTD | DIS | M4)) /*GPIO_14*/\
946 MUX_VAL(CP(ETK_D1), (IEN | PTD | DIS | M4)) /*GPIO_15*/\
947 MUX_VAL(CP(ETK_D2), (IEN | PTD | DIS | M4)) /*GPIO_16*/\
948 MUX_VAL(CP(ETK_D11), (IEN | PTD | DIS | M4)) /*GPIO_25*/\
949 MUX_VAL(CP(ETK_D12), (IEN | PTD | DIS | M4)) /*GPIO_26*/\
950 MUX_VAL(CP(ETK_D13), (IEN | PTD | DIS | M4)) /*GPIO_27*/\
951 MUX_VAL(CP(ETK_D14), (IEN | PTD | DIS | M4)) /*GPIO_28*/\
952 MUX_VAL(CP(ETK_D15), (IEN | PTD | DIS | M4)) /*GPIO_29 */\
953 MUX_VAL(CP(sdrc_cke0), (IDIS | PTU | EN | M0)) /*sdrc_cke0 */\
954 MUX_VAL(CP(sdrc_cke1), (IDIS | PTD | DIS | M7)) /*sdrc_cke1 not used*/
956 /**********************************************************
957 * Routine: set_muxconf_regs
958 * Description: Setting up the configuration Mux registers
959 * specific to the hardware. Many pins need
960 * to be moved from protect to primary mode.
961 *********************************************************/
962 void set_muxconf_regs(void)
967 /**********************************************************
968 * Routine: nand+_init
969 * Description: Set up nand for nand and jffs2 commands
970 *********************************************************/
974 /* global settings */
975 __raw_writel(0x10, GPMC_SYSCONFIG); /* smart idle */
976 __raw_writel(0x0, GPMC_IRQENABLE); /* isr's sources masked */
977 __raw_writel(0, GPMC_TIMEOUT_CONTROL);/* timeout disable */
979 /* Set the GPMC Vals, NAND is mapped at CS0, oneNAND at CS0.
980 * We configure only GPMC CS0 with required values. Configiring other devices
981 * at other CS is done in u-boot. So we don't have to bother doing it here.
983 __raw_writel(0 , GPMC_CONFIG7 + GPMC_CONFIG_CS0);
986 #ifdef CFG_NAND_K9F1G08R0A
987 if ((get_mem_type() == GPMC_NAND) || (get_mem_type() == MMC_NAND)) {
988 __raw_writel(M_NAND_GPMC_CONFIG1, GPMC_CONFIG1 + GPMC_CONFIG_CS0);
989 __raw_writel(M_NAND_GPMC_CONFIG2, GPMC_CONFIG2 + GPMC_CONFIG_CS0);
990 __raw_writel(M_NAND_GPMC_CONFIG3, GPMC_CONFIG3 + GPMC_CONFIG_CS0);
991 __raw_writel(M_NAND_GPMC_CONFIG4, GPMC_CONFIG4 + GPMC_CONFIG_CS0);
992 __raw_writel(M_NAND_GPMC_CONFIG5, GPMC_CONFIG5 + GPMC_CONFIG_CS0);
993 __raw_writel(M_NAND_GPMC_CONFIG6, GPMC_CONFIG6 + GPMC_CONFIG_CS0);
995 /* Enable the GPMC Mapping */
996 __raw_writel((((OMAP34XX_GPMC_CS0_SIZE & 0xF)<<8) |
997 ((NAND_BASE_ADR>>24) & 0x3F) |
998 (1<<6)), (GPMC_CONFIG7 + GPMC_CONFIG_CS0));
1003 printf("Unsupported Chip!\n");
1011 if ((get_mem_type() == GPMC_ONENAND) || (get_mem_type() == MMC_ONENAND)) {
1012 __raw_writel(ONENAND_GPMC_CONFIG1, GPMC_CONFIG1 + GPMC_CONFIG_CS0);
1013 __raw_writel(ONENAND_GPMC_CONFIG2, GPMC_CONFIG2 + GPMC_CONFIG_CS0);
1014 __raw_writel(ONENAND_GPMC_CONFIG3, GPMC_CONFIG3 + GPMC_CONFIG_CS0);
1015 __raw_writel(ONENAND_GPMC_CONFIG4, GPMC_CONFIG4 + GPMC_CONFIG_CS0);
1016 __raw_writel(ONENAND_GPMC_CONFIG5, GPMC_CONFIG5 + GPMC_CONFIG_CS0);
1017 __raw_writel(ONENAND_GPMC_CONFIG6, GPMC_CONFIG6 + GPMC_CONFIG_CS0);
1019 /* Enable the GPMC Mapping */
1020 __raw_writel((((OMAP34XX_GPMC_CS0_SIZE & 0xF)<<8) |
1021 ((ONENAND_BASE>>24) & 0x3F) |
1022 (1<<6)), (GPMC_CONFIG7 + GPMC_CONFIG_CS0));
1025 if (onenand_chip()) {
1027 printf("OneNAND Unsupported !\n");
1036 #define DEBUG_LED1 149 /* gpio */
1037 #define DEBUG_LED2 150 /* gpio */
1043 /* Alternately turn the LEDs on and off */
1044 p = (unsigned long *)OMAP34XX_GPIO5_BASE;
1046 /* turn LED1 on and LED2 off */
1047 *(unsigned long *)(p + 0x94) = 1 << (DEBUG_LED1 % 32);
1048 *(unsigned long *)(p + 0x90) = 1 << (DEBUG_LED2 % 32);
1050 /* delay for a while */
1053 /* turn LED1 off and LED2 on */
1054 *(unsigned long *)(p + 0x90) = 1 << (DEBUG_LED1 % 32);
1055 *(unsigned long *)(p + 0x94) = 1 << (DEBUG_LED2 % 32);
1057 /* delay for a while */
1062 /* optionally do something like blinking LED */
1063 void board_hang(void)
1069 /******************************************************************************
1070 * Dummy function to handle errors for EABI incompatibility
1071 *****************************************************************************/
1076 /******************************************************************************
1077 * Dummy function to handle errors for EABI incompatibility
1078 *****************************************************************************/