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,
29 #include <asm/arch/cpu.h>
30 #include <asm/arch/bits.h>
31 #include <asm/arch/mux.h>
32 #include <asm/arch/sys_proto.h>
33 #include <asm/arch/sys_info.h>
34 #include <asm/arch/clocks.h>
35 #include <asm/arch/mem.h>
37 /* Used to index into DPLL parameter tables */
45 typedef struct dpll_param dpll_param;
47 #define MAX_SIL_INDEX 3
49 /* Following functions are exported from lowlevel_init.S */
50 extern dpll_param * get_mpu_dpll_param();
51 extern dpll_param * get_iva_dpll_param();
52 extern dpll_param * get_core_dpll_param();
53 extern dpll_param * get_per_dpll_param();
55 #define __raw_readl(a) (*(volatile unsigned int *)(a))
56 #define __raw_writel(v,a) (*(volatile unsigned int *)(a) = (v))
57 #define __raw_readw(a) (*(volatile unsigned short *)(a))
58 #define __raw_writew(v,a) (*(volatile unsigned short *)(a) = (v))
60 /*******************************************************
62 * Description: spinning delay to use before udelay works
63 ******************************************************/
64 static inline void delay(unsigned long loops)
66 __asm__ volatile ("1:\n" "subs %0, %1, #1\n"
67 "bne 1b":"=r" (loops):"0"(loops));
70 /*****************************************
72 * Description: Early hardware init.
73 *****************************************/
79 /*************************************************************
80 * get_device_type(): tell if GP/HS/EMU/TST
81 *************************************************************/
82 u32 get_device_type(void)
85 mode = __raw_readl(CONTROL_STATUS) & (DEVICE_MASK);
89 /******************************************
90 * get_cpu_rev(void) - extract version info
91 ******************************************/
95 /* On ES1.0 the IDCODE register is not exposed on L4
96 * so using CPU ID to differentiate
97 * between ES2.0 and ES1.0.
99 __asm__ __volatile__("mrc p15, 0, %0, c0, c0, 0":"=r" (cpuid));
100 if((cpuid & 0xf) == 0x0)
107 /******************************************
108 * cpu_is_3410(void) - returns true for 3410
109 ******************************************/
110 u32 cpu_is_3410(void)
113 if(get_cpu_rev() < CPU_3430_ES2) {
116 /* read scalability status and return 1 for 3410*/
117 status = __raw_readl(CONTROL_SCALABLE_OMAP_STATUS);
118 /* Check whether MPU frequency is set to 266 MHz which
119 * is nominal for 3410. If yes return true else false
121 if (((status >> 8) & 0x3) == 0x2)
128 /*****************************************************************
129 * sr32 - clear & set a value in a bit range for a 32 bit address
130 *****************************************************************/
131 void sr32(u32 addr, u32 start_bit, u32 num_bits, u32 value)
136 tmp = __raw_readl(addr) & ~(msk << start_bit);
137 tmp |= value << start_bit;
138 __raw_writel(tmp, addr);
141 /*********************************************************************
142 * wait_on_value() - common routine to allow waiting for changes in
144 *********************************************************************/
145 u32 wait_on_value(u32 read_bit_mask, u32 match_value, u32 read_addr, u32 bound)
150 val = __raw_readl(read_addr) & read_bit_mask;
151 if (val == match_value)
158 #ifdef CFG_3430SDRAM_DDR
159 /*********************************************************************
160 * config_3430sdram_ddr() - Init DDR on 3430SDP dev board.
161 *********************************************************************/
162 void config_3430sdram_ddr(void)
164 /* reset sdrc controller */
165 __raw_writel(SOFTRESET, SDRC_SYSCONFIG);
166 wait_on_value(BIT0, BIT0, SDRC_STATUS, 12000000);
167 __raw_writel(0, SDRC_SYSCONFIG);
169 /* setup sdrc to ball mux */
170 __raw_writel(SDP_SDRC_SHARING, SDRC_SHARING);
173 __raw_writel(SDP_SDRC_MDCFG_0_DDR, SDRC_MCFG_0);
176 __raw_writel(SDP_SDRC_ACTIM_CTRLA_0, SDRC_ACTIM_CTRLA_0);
177 __raw_writel(SDP_SDRC_ACTIM_CTRLB_0, SDRC_ACTIM_CTRLB_0);
178 __raw_writel(SDP_SDRC_RFR_CTRL, SDRC_RFR_CTRL);
180 /* init sequence for mDDR/mSDR using manual commands (DDR is different) */
181 __raw_writel(CMD_NOP, SDRC_MANUAL_0);
183 __raw_writel(CMD_PRECHARGE, SDRC_MANUAL_0);
184 __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_0);
185 __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_0);
188 __raw_writel(SDP_SDRC_MR_0_DDR, SDRC_MR_0);
191 __raw_writel(SDP_SDRC_DLLAB_CTRL, SDRC_DLLA_CTRL);
192 delay(0x2000); /* give time to lock */
195 #endif // CFG_3430SDRAM_DDR
197 /*************************************************************
198 * get_sys_clk_speed - determine reference oscillator speed
199 * based on known 32kHz clock and gptimer.
200 *************************************************************/
201 u32 get_osc_clk_speed(void)
203 u32 start, cstart, cend, cdiff, val;
205 val = __raw_readl(PRM_CLKSRC_CTRL);
206 /* If SYS_CLK is being divided by 2, remove for now */
207 val = (val & (~BIT7)) | BIT6;
208 __raw_writel(val, PRM_CLKSRC_CTRL);
211 val = __raw_readl(CM_CLKSEL_WKUP) | BIT0;
212 __raw_writel(val, CM_CLKSEL_WKUP); /* select sys_clk for GPT1 */
214 /* Enable I and F Clocks for GPT1 */
215 val = __raw_readl(CM_ICLKEN_WKUP) | BIT0 | BIT2;
216 __raw_writel(val, CM_ICLKEN_WKUP);
217 val = __raw_readl(CM_FCLKEN_WKUP) | BIT0;
218 __raw_writel(val, CM_FCLKEN_WKUP);
220 __raw_writel(0, OMAP34XX_GPT1 + TLDR); /* start counting at 0 */
221 __raw_writel(GPT_EN, OMAP34XX_GPT1 + TCLR); /* enable clock */
222 /* enable 32kHz source *//* enabled out of reset */
223 /* determine sys_clk via gauging */
225 start = 20 + __raw_readl(S32K_CR); /* start time in 20 cycles */
226 while (__raw_readl(S32K_CR) < start); /* dead loop till start time */
227 cstart = __raw_readl(OMAP34XX_GPT1 + TCRR); /* get start sys_clk count */
228 while (__raw_readl(S32K_CR) < (start + 20)); /* wait for 40 cycles */
229 cend = __raw_readl(OMAP34XX_GPT1 + TCRR); /* get end sys_clk count */
230 cdiff = cend - cstart; /* get elapsed ticks */
232 /* based on number of ticks assign speed */
235 else if (cdiff > 15200)
237 else if (cdiff > 13000)
239 else if (cdiff > 9000)
241 else if (cdiff > 7600)
247 /******************************************************************************
248 * get_sys_clkin_sel() - returns the sys_clkin_sel field value based on
249 * -- input oscillator clock frequency.
251 *****************************************************************************/
252 void get_sys_clkin_sel(u32 osc_clk, u32 *sys_clkin_sel)
254 if(osc_clk == S38_4M)
256 else if(osc_clk == S26M)
258 else if(osc_clk == S19_2M)
260 else if(osc_clk == S13M)
262 else if(osc_clk == S12M)
266 /******************************************************************************
267 * prcm_init() - inits clocks for PRCM as defined in clocks.h
268 * -- called from SRAM, or Flash (using temp SRAM stack).
269 *****************************************************************************/
272 u32 osc_clk=0, sys_clkin_sel;
273 dpll_param *dpll_param_p;
274 u32 clk_index, sil_index;
276 /* Gauge the input clock speed and find out the sys_clkin_sel
277 * value corresponding to the input clock.
279 osc_clk = get_osc_clk_speed();
280 get_sys_clkin_sel(osc_clk, &sys_clkin_sel);
282 sr32(PRM_CLKSEL, 0, 3, sys_clkin_sel); /* set input crystal speed */
284 /* If the input clock is greater than 19.2M always divide/2 */
285 if(sys_clkin_sel > 2) {
286 sr32(PRM_CLKSRC_CTRL, 6, 2, 2);/* input clock divider */
287 clk_index = sys_clkin_sel/2;
289 sr32(PRM_CLKSRC_CTRL, 6, 2, 1);/* input clock divider */
290 clk_index = sys_clkin_sel;
293 /* The DPLL tables are defined according to sysclk value and
294 * silicon revision. The clk_index value will be used to get
295 * the values for that input sysclk from the DPLL param table
296 * and sil_index will get the values for that SysClk for the
297 * appropriate silicon rev.
302 if(get_cpu_rev() == CPU_3430_ES1)
304 else if(get_cpu_rev() == CPU_3430_ES2)
308 /* Unlock MPU DPLL (slows things down, and needed later) */
309 sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOW_POWER_BYPASS);
310 wait_on_value(BIT0, 0, CM_IDLEST_PLL_MPU, LDELAY);
312 /* Getting the base address of Core DPLL param table*/
313 dpll_param_p = (dpll_param *)get_core_dpll_param();
314 /* Moving it to the right sysclk and ES rev base */
315 dpll_param_p = dpll_param_p + MAX_SIL_INDEX*clk_index + sil_index;
317 /* sr32(CM_CLKSEL2_EMU) set override to work when asleep */
318 sr32(CM_CLKEN_PLL, 0, 3, PLL_FAST_RELOCK_BYPASS);
319 wait_on_value(BIT0, 0, CM_IDLEST_CKGEN, LDELAY);
320 sr32(CM_CLKSEL1_EMU, 16, 5, CORE_M3X2); /* m3x2 */
321 sr32(CM_CLKSEL1_PLL, 27, 2, dpll_param_p->m2); /* Set M2 */
322 sr32(CM_CLKSEL1_PLL, 16, 11, dpll_param_p->m); /* Set M */
323 sr32(CM_CLKSEL1_PLL, 8, 7, dpll_param_p->n); /* Set N */
324 sr32(CM_CLKSEL1_PLL, 6, 1, 0); /* 96M Src */
325 sr32(CM_CLKSEL_CORE, 8, 4, CORE_SSI_DIV); /* ssi */
326 sr32(CM_CLKSEL_CORE, 4, 2, CORE_FUSB_DIV); /* fsusb */
327 sr32(CM_CLKSEL_CORE, 2, 2, CORE_L4_DIV); /* l4 */
328 sr32(CM_CLKSEL_CORE, 0, 2, CORE_L3_DIV); /* l3 */
329 sr32(CM_CLKSEL_GFX, 0, 3, GFX_DIV); /* gfx */
330 sr32(CM_CLKSEL_WKUP, 1, 2, WKUP_RSM); /* reset mgr */
331 sr32(CM_CLKEN_PLL, 4, 4, dpll_param_p->fsel); /* FREQSEL */
332 sr32(CM_CLKEN_PLL, 0, 3, PLL_LOCK); /* lock mode */
333 wait_on_value(BIT0, 1, CM_IDLEST_CKGEN, LDELAY);
335 /* Getting the base address to PER DPLL param table*/
336 dpll_param_p = (dpll_param *)get_per_dpll_param();
337 /* Moving it to the right sysclk base */
338 dpll_param_p = dpll_param_p + clk_index;
340 sr32(CM_CLKEN_PLL, 16, 3, PLL_STOP);
341 wait_on_value(BIT1, 0, CM_IDLEST_CKGEN, LDELAY);
342 sr32(CM_CLKSEL1_EMU, 24, 5, PER_M6X2); /* set M6 */
343 sr32(CM_CLKSEL_CAM, 0, 5, PER_M5X2); /* set M5 */
344 sr32(CM_CLKSEL_DSS, 0, 5, PER_M4X2); /* set M4 */
345 sr32(CM_CLKSEL_DSS, 8, 5, PER_M3X2); /* set M3 */
346 sr32(CM_CLKSEL3_PLL, 0, 5, dpll_param_p->m2); /* set M2 */
347 sr32(CM_CLKSEL2_PLL, 8, 11, dpll_param_p->m); /* set m */
348 sr32(CM_CLKSEL2_PLL, 0, 7, dpll_param_p->n); /* set n */
349 sr32(CM_CLKEN_PLL, 20, 4, dpll_param_p->fsel);/* FREQSEL */
350 sr32(CM_CLKEN_PLL, 16, 3, PLL_LOCK); /* lock mode */
351 wait_on_value(BIT1, 2, CM_IDLEST_CKGEN, LDELAY);
353 /* Getting the base address to MPU DPLL param table*/
354 dpll_param_p = (dpll_param *)get_mpu_dpll_param();
355 /* Moving it to the right sysclk and ES rev base */
356 dpll_param_p = dpll_param_p + MAX_SIL_INDEX*clk_index + sil_index;
357 /* MPU DPLL (unlocked already) */
358 sr32(CM_CLKSEL2_PLL_MPU, 0, 5, dpll_param_p->m2); /* Set M2 */
359 sr32(CM_CLKSEL1_PLL_MPU, 8, 11, dpll_param_p->m); /* Set M */
360 sr32(CM_CLKSEL1_PLL_MPU, 0, 7, dpll_param_p->n); /* Set N */
361 sr32(CM_CLKEN_PLL_MPU, 4, 4, dpll_param_p->fsel); /* FREQSEL */
362 sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOCK); /* lock mode */
363 wait_on_value(BIT0, 1, CM_IDLEST_PLL_MPU, LDELAY);
365 /* Getting the base address to IVA DPLL param table*/
366 dpll_param_p = (dpll_param *)get_iva_dpll_param();
367 /* Moving it to the right sysclk and ES rev base */
368 dpll_param_p = dpll_param_p + MAX_SIL_INDEX*clk_index + sil_index;
369 /* IVA DPLL (set to 12*20=240MHz) */
370 sr32(CM_CLKEN_PLL_IVA2, 0, 3, PLL_STOP);
371 wait_on_value(BIT0, 0, CM_IDLEST_PLL_IVA2, LDELAY);
372 sr32(CM_CLKSEL2_PLL_IVA2, 0, 5, dpll_param_p->m2); /* set M2 */
373 sr32(CM_CLKSEL1_PLL_IVA2, 8, 11, dpll_param_p->m); /* set M */
374 sr32(CM_CLKSEL1_PLL_IVA2, 0, 7, dpll_param_p->n); /* set N */
375 sr32(CM_CLKEN_PLL_IVA2, 4, 4, dpll_param_p->fsel); /* FREQSEL */
376 sr32(CM_CLKEN_PLL_IVA2, 0, 3, PLL_LOCK); /* lock mode */
377 wait_on_value(BIT0, 1, CM_IDLEST_PLL_IVA2, LDELAY);
379 /* Set up GPTimers to sys_clk source only */
380 sr32(CM_CLKSEL_PER, 0, 8, 0xff);
381 sr32(CM_CLKSEL_WKUP, 0, 1, 1);
386 /*****************************************
387 * Routine: secure_unlock
388 * Description: Setup security registers for access
390 *****************************************/
391 void secure_unlock(void)
393 /* Permission values for registers -Full fledged permissions to all */
394 #define UNLOCK_1 0xFFFFFFFF
395 #define UNLOCK_2 0x00000000
396 #define UNLOCK_3 0x0000FFFF
397 /* Protection Module Register Target APE (PM_RT)*/
398 __raw_writel(UNLOCK_1, RT_REQ_INFO_PERMISSION_1);
399 __raw_writel(UNLOCK_1, RT_READ_PERMISSION_0);
400 __raw_writel(UNLOCK_1, RT_WRITE_PERMISSION_0);
401 __raw_writel(UNLOCK_2, RT_ADDR_MATCH_1);
403 __raw_writel(UNLOCK_3, GPMC_REQ_INFO_PERMISSION_0);
404 __raw_writel(UNLOCK_3, GPMC_READ_PERMISSION_0);
405 __raw_writel(UNLOCK_3, GPMC_WRITE_PERMISSION_0);
407 __raw_writel(UNLOCK_3, OCM_REQ_INFO_PERMISSION_0);
408 __raw_writel(UNLOCK_3, OCM_READ_PERMISSION_0);
409 __raw_writel(UNLOCK_3, OCM_WRITE_PERMISSION_0);
410 __raw_writel(UNLOCK_2, OCM_ADDR_MATCH_2);
413 __raw_writel(UNLOCK_3, IVA2_REQ_INFO_PERMISSION_0);
414 __raw_writel(UNLOCK_3, IVA2_READ_PERMISSION_0);
415 __raw_writel(UNLOCK_3, IVA2_WRITE_PERMISSION_0);
417 __raw_writel(UNLOCK_1, SMS_RG_ATT0); /* SDRC region 0 public */
420 /**********************************************************
421 * Routine: try_unlock_sram()
422 * Description: If chip is GP type, unlock the SRAM for
424 ***********************************************************/
425 void try_unlock_memory(void)
429 /* if GP device unlock device SRAM for general use */
430 /* secure code breaks for Secure/Emulation device - HS/E/T*/
431 mode = get_device_type();
432 if (mode == GP_DEVICE) {
438 /**********************************************************
440 * Description: Does early system init of muxing and clocks.
441 * - Called at time when only stack is available.
442 **********************************************************/
447 #ifdef CONFIG_3430_AS_3410
448 /* setup the scalability control register for
449 * 3430 to work in 3410 mode
451 __raw_writel(0x5ABF,CONTROL_SCALABLE_OMAP_OCP);
458 config_3430sdram_ddr();
461 /*******************************************************
462 * Routine: misc_init_r
463 * Description: Init ethernet (done here so udelay works)
464 ********************************************************/
465 int misc_init_r (void)
470 /******************************************************
471 * Routine: wait_for_command_complete
472 * Description: Wait for posting to finish on watchdog
473 ******************************************************/
474 void wait_for_command_complete(unsigned int wd_base)
478 pending = __raw_readl(wd_base + WWPS);
482 /****************************************
483 * Routine: watchdog_init
484 * Description: Shut down watch dogs
485 *****************************************/
486 void watchdog_init(void)
488 /* There are 3 watch dogs WD1=Secure, WD2=MPU, WD3=IVA. WD1 is
489 * either taken care of by ROM (HS/EMU) or not accessible (GP).
490 * We need to take care of WD2-MPU or take a PRCM reset. WD3
491 * should not be running and does not generate a PRCM reset.
493 sr32(CM_FCLKEN_WKUP, 5, 1, 1);
494 sr32(CM_ICLKEN_WKUP, 5, 1, 1);
495 wait_on_value(BIT5, 0x20, CM_IDLEST_WKUP, 5); /* some issue here */
497 __raw_writel(WD_UNLOCK1, WD2_BASE + WSPR);
498 wait_for_command_complete(WD2_BASE);
499 __raw_writel(WD_UNLOCK2, WD2_BASE + WSPR);
502 /**********************************************
504 * Description: sets uboots idea of sdram size
505 **********************************************/
511 /*****************************************************************
512 * Routine: peripheral_enable
513 * Description: Enable the clks & power for perifs (GPT2, UART1,...)
514 ******************************************************************/
515 void per_clocks_enable(void)
517 /* Enable GP2 timer. */
518 sr32(CM_CLKSEL_PER, 0, 1, 0x1); /* GPT2 = sys clk */
519 sr32(CM_ICLKEN_PER, 3, 1, 0x1); /* ICKen GPT2 */
520 sr32(CM_FCLKEN_PER, 3, 1, 0x1); /* FCKen GPT2 */
523 /* Enable UART1 clocks */
524 sr32(CM_FCLKEN1_CORE, 13, 1, 0x1);
525 sr32(CM_ICLKEN1_CORE, 13, 1, 0x1);
530 /* Set MUX for UART, GPMC, SDRC, GPIO */
532 #define MUX_VAL(OFFSET,VALUE)\
533 __raw_writew((VALUE), OMAP34XX_CTRL_BASE + (OFFSET));
535 #define CP(x) (CONTROL_PADCONF_##x)
538 * IDIS - Input Disable
539 * PTD - Pull type Down
541 * DIS - Pull type selection is inactive
542 * EN - Pull type selection is active
544 * The commented string gives the final mux configuration for that pin
546 #define MUX_DEFAULT()\
547 MUX_VAL(CP(SDRC_D0), (IEN | PTD | DIS | M0)) /*SDRC_D0*/\
548 MUX_VAL(CP(SDRC_D1), (IEN | PTD | DIS | M0)) /*SDRC_D1*/\
549 MUX_VAL(CP(SDRC_D2), (IEN | PTD | DIS | M0)) /*SDRC_D2*/\
550 MUX_VAL(CP(SDRC_D3), (IEN | PTD | DIS | M0)) /*SDRC_D3*/\
551 MUX_VAL(CP(SDRC_D4), (IEN | PTD | DIS | M0)) /*SDRC_D4*/\
552 MUX_VAL(CP(SDRC_D5), (IEN | PTD | DIS | M0)) /*SDRC_D5*/\
553 MUX_VAL(CP(SDRC_D6), (IEN | PTD | DIS | M0)) /*SDRC_D6*/\
554 MUX_VAL(CP(SDRC_D7), (IEN | PTD | DIS | M0)) /*SDRC_D7*/\
555 MUX_VAL(CP(SDRC_D8), (IEN | PTD | DIS | M0)) /*SDRC_D8*/\
556 MUX_VAL(CP(SDRC_D9), (IEN | PTD | DIS | M0)) /*SDRC_D9*/\
557 MUX_VAL(CP(SDRC_D10), (IEN | PTD | DIS | M0)) /*SDRC_D10*/\
558 MUX_VAL(CP(SDRC_D11), (IEN | PTD | DIS | M0)) /*SDRC_D11*/\
559 MUX_VAL(CP(SDRC_D12), (IEN | PTD | DIS | M0)) /*SDRC_D12*/\
560 MUX_VAL(CP(SDRC_D13), (IEN | PTD | DIS | M0)) /*SDRC_D13*/\
561 MUX_VAL(CP(SDRC_D14), (IEN | PTD | DIS | M0)) /*SDRC_D14*/\
562 MUX_VAL(CP(SDRC_D15), (IEN | PTD | DIS | M0)) /*SDRC_D15*/\
563 MUX_VAL(CP(SDRC_D16), (IEN | PTD | DIS | M0)) /*SDRC_D16*/\
564 MUX_VAL(CP(SDRC_D17), (IEN | PTD | DIS | M0)) /*SDRC_D17*/\
565 MUX_VAL(CP(SDRC_D18), (IEN | PTD | DIS | M0)) /*SDRC_D18*/\
566 MUX_VAL(CP(SDRC_D19), (IEN | PTD | DIS | M0)) /*SDRC_D19*/\
567 MUX_VAL(CP(SDRC_D20), (IEN | PTD | DIS | M0)) /*SDRC_D20*/\
568 MUX_VAL(CP(SDRC_D21), (IEN | PTD | DIS | M0)) /*SDRC_D21*/\
569 MUX_VAL(CP(SDRC_D22), (IEN | PTD | DIS | M0)) /*SDRC_D22*/\
570 MUX_VAL(CP(SDRC_D23), (IEN | PTD | DIS | M0)) /*SDRC_D23*/\
571 MUX_VAL(CP(SDRC_D24), (IEN | PTD | DIS | M0)) /*SDRC_D24*/\
572 MUX_VAL(CP(SDRC_D25), (IEN | PTD | DIS | M0)) /*SDRC_D25*/\
573 MUX_VAL(CP(SDRC_D26), (IEN | PTD | DIS | M0)) /*SDRC_D26*/\
574 MUX_VAL(CP(SDRC_D27), (IEN | PTD | DIS | M0)) /*SDRC_D27*/\
575 MUX_VAL(CP(SDRC_D28), (IEN | PTD | DIS | M0)) /*SDRC_D28*/\
576 MUX_VAL(CP(SDRC_D29), (IEN | PTD | DIS | M0)) /*SDRC_D29*/\
577 MUX_VAL(CP(SDRC_D30), (IEN | PTD | DIS | M0)) /*SDRC_D30*/\
578 MUX_VAL(CP(SDRC_D31), (IEN | PTD | DIS | M0)) /*SDRC_D31*/\
579 MUX_VAL(CP(SDRC_CLK), (IEN | PTD | DIS | M0)) /*SDRC_CLK*/\
580 MUX_VAL(CP(SDRC_DQS0), (IEN | PTD | DIS | M0)) /*SDRC_DQS0*/\
581 MUX_VAL(CP(SDRC_DQS1), (IEN | PTD | DIS | M0)) /*SDRC_DQS1*/\
582 MUX_VAL(CP(SDRC_DQS2), (IEN | PTD | DIS | M0)) /*SDRC_DQS2*/\
583 MUX_VAL(CP(SDRC_DQS3), (IEN | PTD | DIS | M0)) /*SDRC_DQS3*/\
584 MUX_VAL(CP(GPMC_A1), (IDIS | PTD | DIS | M0)) /*GPMC_A1*/\
585 MUX_VAL(CP(GPMC_A2), (IDIS | PTD | DIS | M0)) /*GPMC_A2*/\
586 MUX_VAL(CP(GPMC_A3), (IDIS | PTD | DIS | M0)) /*GPMC_A3*/\
587 MUX_VAL(CP(GPMC_A4), (IDIS | PTD | DIS | M0)) /*GPMC_A4*/\
588 MUX_VAL(CP(GPMC_A5), (IDIS | PTD | DIS | M0)) /*GPMC_A5*/\
589 MUX_VAL(CP(GPMC_A6), (IDIS | PTD | DIS | M0)) /*GPMC_A6*/\
590 MUX_VAL(CP(GPMC_A7), (IDIS | PTD | DIS | M0)) /*GPMC_A7*/\
591 MUX_VAL(CP(GPMC_A8), (IDIS | PTD | DIS | M0)) /*GPMC_A8*/\
592 MUX_VAL(CP(GPMC_A9), (IDIS | PTD | DIS | M0)) /*GPMC_A9*/\
593 MUX_VAL(CP(GPMC_A10), (IDIS | PTD | DIS | M0)) /*GPMC_A10*/\
594 MUX_VAL(CP(GPMC_D0), (IEN | PTD | DIS | M0)) /*GPMC_D0*/\
595 MUX_VAL(CP(GPMC_D1), (IEN | PTD | DIS | M0)) /*GPMC_D1*/\
596 MUX_VAL(CP(GPMC_D2), (IEN | PTD | DIS | M0)) /*GPMC_D2*/\
597 MUX_VAL(CP(GPMC_D3), (IEN | PTD | DIS | M0)) /*GPMC_D3*/\
598 MUX_VAL(CP(GPMC_D4), (IEN | PTD | DIS | M0)) /*GPMC_D4*/\
599 MUX_VAL(CP(GPMC_D5), (IEN | PTD | DIS | M0)) /*GPMC_D5*/\
600 MUX_VAL(CP(GPMC_D6), (IEN | PTD | DIS | M0)) /*GPMC_D6*/\
601 MUX_VAL(CP(GPMC_D7), (IEN | PTD | DIS | M0)) /*GPMC_D7*/\
602 MUX_VAL(CP(GPMC_D8), (IEN | PTD | DIS | M0)) /*GPMC_D8*/\
603 MUX_VAL(CP(GPMC_D9), (IEN | PTD | DIS | M0)) /*GPMC_D9*/\
604 MUX_VAL(CP(GPMC_D10), (IEN | PTD | DIS | M0)) /*GPMC_D10*/\
605 MUX_VAL(CP(GPMC_D11), (IEN | PTD | DIS | M0)) /*GPMC_D11*/\
606 MUX_VAL(CP(GPMC_D12), (IEN | PTD | DIS | M0)) /*GPMC_D12*/\
607 MUX_VAL(CP(GPMC_D13), (IEN | PTD | DIS | M0)) /*GPMC_D13*/\
608 MUX_VAL(CP(GPMC_D14), (IEN | PTD | DIS | M0)) /*GPMC_D14*/\
609 MUX_VAL(CP(GPMC_D15), (IEN | PTD | DIS | M0)) /*GPMC_D15*/\
610 MUX_VAL(CP(GPMC_nCS0), (IDIS | PTU | EN | M0)) /*GPMC_nCS0*/\
611 MUX_VAL(CP(GPMC_nCS1), (IDIS | PTU | EN | M0)) /*GPMC_nCS1*/\
612 MUX_VAL(CP(GPMC_nCS2), (IDIS | PTU | EN | M0)) /*GPMC_nCS2*/\
613 MUX_VAL(CP(GPMC_nCS3), (IDIS | PTU | EN | M0)) /*GPMC_nCS3*/\
614 MUX_VAL(CP(GPMC_nCS4), (IDIS | PTU | EN | M0)) /*GPMC_nCS4*/\
615 MUX_VAL(CP(GPMC_nCS5), (IDIS | PTU | EN | M0)) /*GPMC_nCS5*/\
616 MUX_VAL(CP(GPMC_nCS6), (IDIS | PTU | EN | M0)) /*GPMC_nCS6*/\
617 MUX_VAL(CP(GPMC_nCS7), (IDIS | PTU | EN | M0)) /*GPMC_nCS7*/\
618 MUX_VAL(CP(GPMC_CLK), (IDIS | PTD | DIS | M0)) /*GPMC_CLK*/\
619 MUX_VAL(CP(GPMC_nADV_ALE), (IDIS | PTD | DIS | M0)) /*GPMC_nADV_ALE*/\
620 MUX_VAL(CP(GPMC_nOE), (IDIS | PTD | DIS | M0)) /*GPMC_nOE*/\
621 MUX_VAL(CP(GPMC_nWE), (IDIS | PTD | DIS | M0)) /*GPMC_nWE*/\
622 MUX_VAL(CP(GPMC_nBE0_CLE), (IDIS | PTD | DIS | M0)) /*GPMC_nBE0_CLE*/\
623 MUX_VAL(CP(GPMC_nBE1), (IDIS | PTD | DIS | M4)) /*GPIO_61*/\
624 MUX_VAL(CP(GPMC_nWP), (IEN | PTD | DIS | M0)) /*GPMC_nWP*/\
625 MUX_VAL(CP(GPMC_WAIT0), (IEN | PTU | EN | M0)) /*GPMC_WAIT0*/\
626 MUX_VAL(CP(GPMC_WAIT1), (IEN | PTU | EN | M0)) /*GPMC_WAIT1*/\
627 MUX_VAL(CP(GPMC_WAIT2), (IEN | PTU | EN | M4)) /*GPIO_64*/\
628 MUX_VAL(CP(GPMC_WAIT3), (IEN | PTU | EN | M4)) /*GPIO_65*/\
629 MUX_VAL(CP(DSS_DATA18), (IEN | PTD | DIS | M4)) /*GPIO_88*/\
630 MUX_VAL(CP(DSS_DATA19), (IEN | PTD | DIS | M4)) /*GPIO_89*/\
631 MUX_VAL(CP(DSS_DATA20), (IEN | PTD | DIS | M4)) /*GPIO_90*/\
632 MUX_VAL(CP(DSS_DATA21), (IEN | PTD | DIS | M4)) /*GPIO_91*/\
633 MUX_VAL(CP(CAM_WEN), (IEN | PTD | DIS | M4)) /*GPIO_167*/\
634 MUX_VAL(CP(UART1_TX), (IDIS | PTD | DIS | M0)) /*UART1_TX*/\
635 MUX_VAL(CP(UART1_RTS), (IDIS | PTD | DIS | M0)) /*UART1_RTS*/\
636 MUX_VAL(CP(UART1_CTS), (IEN | PTU | DIS | M0)) /*UART1_CTS*/\
637 MUX_VAL(CP(UART1_RX), (IEN | PTD | DIS | M0)) /*UART1_RX*/\
638 MUX_VAL(CP(McBSP1_DX), (IEN | PTD | DIS | M4)) /*GPIO_158*/\
639 MUX_VAL(CP(SYS_32K), (IEN | PTD | DIS | M0)) /*SYS_32K*/\
640 MUX_VAL(CP(SYS_BOOT0), (IEN | PTD | DIS | M4)) /*GPIO_2 */\
641 MUX_VAL(CP(SYS_BOOT1), (IEN | PTD | DIS | M4)) /*GPIO_3 */\
642 MUX_VAL(CP(SYS_BOOT2), (IEN | PTD | DIS | M4)) /*GPIO_4 */\
643 MUX_VAL(CP(SYS_BOOT3), (IEN | PTD | DIS | M4)) /*GPIO_5 */\
644 MUX_VAL(CP(SYS_BOOT4), (IEN | PTD | DIS | M4)) /*GPIO_6 */\
645 MUX_VAL(CP(SYS_BOOT5), (IEN | PTD | DIS | M4)) /*GPIO_7 */\
646 MUX_VAL(CP(SYS_BOOT6), (IEN | PTD | DIS | M4)) /*GPIO_8 */\
647 MUX_VAL(CP(SYS_CLKOUT2), (IEN | PTU | EN | M4)) /*GPIO_186*/\
648 MUX_VAL(CP(JTAG_nTRST), (IEN | PTD | DIS | M0)) /*JTAG_nTRST*/\
649 MUX_VAL(CP(JTAG_TCK), (IEN | PTD | DIS | M0)) /*JTAG_TCK*/\
650 MUX_VAL(CP(JTAG_TMS), (IEN | PTD | DIS | M0)) /*JTAG_TMS*/\
651 MUX_VAL(CP(JTAG_TDI), (IEN | PTD | DIS | M0)) /*JTAG_TDI*/\
652 MUX_VAL(CP(JTAG_EMU0), (IEN | PTD | DIS | M0)) /*JTAG_EMU0*/\
653 MUX_VAL(CP(JTAG_EMU1), (IEN | PTD | DIS | M0)) /*JTAG_EMU1*/\
654 MUX_VAL(CP(ETK_CLK), (IEN | PTD | DIS | M4)) /*GPIO_12*/\
655 MUX_VAL(CP(ETK_CTL), (IEN | PTD | DIS | M4)) /*GPIO_13*/\
656 MUX_VAL(CP(ETK_D0 ), (IEN | PTD | DIS | M4)) /*GPIO_14*/\
657 MUX_VAL(CP(ETK_D1 ), (IEN | PTD | DIS | M4)) /*GPIO_15*/\
658 MUX_VAL(CP(ETK_D2 ), (IEN | PTD | DIS | M4)) /*GPIO_16*/\
659 MUX_VAL(CP(ETK_D10), (IEN | PTD | DIS | M4)) /*GPIO_24*/\
660 MUX_VAL(CP(ETK_D11), (IEN | PTD | DIS | M4)) /*GPIO_25*/\
661 MUX_VAL(CP(ETK_D12), (IEN | PTD | DIS | M4)) /*GPIO_26*/\
662 MUX_VAL(CP(ETK_D13), (IEN | PTD | DIS | M4)) /*GPIO_27*/\
663 MUX_VAL(CP(ETK_D14), (IEN | PTD | DIS | M4)) /*GPIO_28*/\
664 MUX_VAL(CP(ETK_D15), (IEN | PTD | DIS | M4)) /*GPIO_29*/
666 /**********************************************************
667 * Routine: set_muxconf_regs
668 * Description: Setting up the configuration Mux registers
669 * specific to the hardware. Many pins need
670 * to be moved from protect to primary mode.
671 *********************************************************/
672 void set_muxconf_regs(void)
677 /**********************************************************
678 * Routine: nand+_init
679 * Description: Set up nand for nand and jffs2 commands
680 *********************************************************/
683 /* global settings */
684 __raw_writel(0x10, GPMC_SYSCONFIG); /* smart idle */
685 __raw_writel(0x0, GPMC_IRQENABLE); /* isr's sources masked */
686 __raw_writel(0, GPMC_TIMEOUT_CONTROL);/* timeout disable */
688 __raw_writel(0x001, GPMC_CONFIG); /* set nWP, disable limited addr */
691 /* Set the GPMC Vals . For NAND boot on 3430SDP, NAND is mapped at CS0
692 * , NOR at CS1 and MPDB at CS3. And oneNAND boot, we map oneNAND at CS0.
693 * We configure only GPMC CS0 with required values. Configiring other devices
694 * at other CS in done in u-boot anyway. So we don't have to bother doing it here.
696 __raw_writel(0 , GPMC_CONFIG7 + GPMC_CONFIG_CS0);
700 __raw_writel( SMNAND_GPMC_CONFIG1, GPMC_CONFIG1 + GPMC_CONFIG_CS0);
701 __raw_writel( SMNAND_GPMC_CONFIG2, GPMC_CONFIG2 + GPMC_CONFIG_CS0);
702 __raw_writel( SMNAND_GPMC_CONFIG3, GPMC_CONFIG3 + GPMC_CONFIG_CS0);
703 __raw_writel( SMNAND_GPMC_CONFIG4, GPMC_CONFIG4 + GPMC_CONFIG_CS0);
704 __raw_writel( SMNAND_GPMC_CONFIG5, GPMC_CONFIG5 + GPMC_CONFIG_CS0);
705 __raw_writel( SMNAND_GPMC_CONFIG6, GPMC_CONFIG6 + GPMC_CONFIG_CS0);
707 #else /* CFG_ONENAND */
708 __raw_writel( ONENAND_GPMC_CONFIG1, GPMC_CONFIG1 + GPMC_CONFIG_CS0);
709 __raw_writel( ONENAND_GPMC_CONFIG2, GPMC_CONFIG2 + GPMC_CONFIG_CS0);
710 __raw_writel( ONENAND_GPMC_CONFIG3, GPMC_CONFIG3 + GPMC_CONFIG_CS0);
711 __raw_writel( ONENAND_GPMC_CONFIG4, GPMC_CONFIG4 + GPMC_CONFIG_CS0);
712 __raw_writel( ONENAND_GPMC_CONFIG5, GPMC_CONFIG5 + GPMC_CONFIG_CS0);
713 __raw_writel( ONENAND_GPMC_CONFIG6, GPMC_CONFIG6 + GPMC_CONFIG_CS0);
716 /* Enable the GPMC Mapping */
717 __raw_writel(( ((OMAP34XX_GPMC_CS0_SIZE & 0xF)<<8) |
718 ((OMAP34XX_GPMC_CS0_MAP>>24) & 0x3F) |
719 (1<<6) ), (GPMC_CONFIG7 + GPMC_CONFIG_CS0));
721 #if defined(CFG_NAND)
724 printf("Unsupported Chip!\n");
728 #elif defined(CFG_ONENAND)
731 printf("OneNAND Unsupported !\n");
740 typedef int (mmc_boot_addr) (void);
744 unsigned long offset = CFG_LOADADDR;
747 block_dev_desc_t *dev_desc = NULL;
751 unsigned char ret = 0;
753 printf("Starting X-loader on MMC \n");
757 printf("\n MMC init failed \n");
761 dev_desc = mmc_get_dev(0);
762 fat_register_device(dev_desc, 1);
763 size = file_fat_read("u-boot.bin", (unsigned char *)offset, 0);
767 printf("\n%ld Bytes Read from MMC \n", size);
769 printf("Starting OS Bootloader from MMC...\n");
771 ((mmc_boot_addr *) CFG_LOADADDR) ();
777 /* optionally do something like blinking LED */
778 void board_hang (void)