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_cpu_rev(void) - extract version info
81 ******************************************/
85 /* On ES1.0 the IDCODE register is not exposed on L4
86 * so using CPU ID to differentiate
87 * between ES2.0 and ES1.0.
89 __asm__ __volatile__("mrc p15, 0, %0, c0, c0, 0":"=r" (cpuid));
90 if((cpuid & 0xf) == 0x0)
97 /******************************************
98 * cpu_is_3410(void) - returns true for 3410
99 ******************************************/
100 u32 cpu_is_3410(void)
103 if(get_cpu_rev() < CPU_3430_ES2) {
106 /* read scalability status and return 1 for 3410*/
107 status = __raw_readl(CONTROL_SCALABLE_OMAP_STATUS);
108 /* Check whether MPU frequency is set to 266 MHz which
109 * is nominal for 3410. If yes return true else false
111 if (((status >> 8) & 0x3) == 0x2)
118 /*****************************************************************
119 * sr32 - clear & set a value in a bit range for a 32 bit address
120 *****************************************************************/
121 void sr32(u32 addr, u32 start_bit, u32 num_bits, u32 value)
126 tmp = __raw_readl(addr) & ~(msk << start_bit);
127 tmp |= value << start_bit;
128 __raw_writel(tmp, addr);
131 /*********************************************************************
132 * wait_on_value() - common routine to allow waiting for changes in
134 *********************************************************************/
135 u32 wait_on_value(u32 read_bit_mask, u32 match_value, u32 read_addr, u32 bound)
140 val = __raw_readl(read_addr) & read_bit_mask;
141 if (val == match_value)
148 #ifdef CFG_3430SDRAM_DDR
149 /*********************************************************************
150 * config_3430sdram_ddr() - Init DDR on 3430SDP dev board.
151 *********************************************************************/
152 void config_3430sdram_ddr(void)
154 /* reset sdrc controller */
155 __raw_writel(SOFTRESET, SDRC_SYSCONFIG);
156 wait_on_value(BIT0, BIT0, SDRC_STATUS, 12000000);
157 __raw_writel(0, SDRC_SYSCONFIG);
159 /* setup sdrc to ball mux */
160 __raw_writel(SDP_SDRC_SHARING, SDRC_SHARING);
163 __raw_writel(SDP_SDRC_MDCFG_0_DDR, SDRC_MCFG_0);
166 __raw_writel(SDP_SDRC_ACTIM_CTRLA_0, SDRC_ACTIM_CTRLA_0);
167 __raw_writel(SDP_SDRC_ACTIM_CTRLB_0, SDRC_ACTIM_CTRLB_0);
168 __raw_writel(SDP_SDRC_RFR_CTRL, SDRC_RFR_CTRL);
170 /* init sequence for mDDR/mSDR using manual commands (DDR is different) */
171 __raw_writel(CMD_NOP, SDRC_MANUAL_0);
173 __raw_writel(CMD_PRECHARGE, SDRC_MANUAL_0);
174 __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_0);
175 __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_0);
178 __raw_writel(SDP_SDRC_MR_0_DDR, SDRC_MR_0);
181 __raw_writel(SDP_SDRC_DLLAB_CTRL, SDRC_DLLA_CTRL);
182 delay(0x2000); /* give time to lock */
185 #endif // CFG_3430SDRAM_DDR
187 /*************************************************************
188 * get_sys_clk_speed - determine reference oscillator speed
189 * based on known 32kHz clock and gptimer.
190 *************************************************************/
191 u32 get_osc_clk_speed(void)
193 u32 start, cstart, cend, cdiff, val;
195 val = __raw_readl(PRM_CLKSRC_CTRL);
196 /* If SYS_CLK is being divided by 2, remove for now */
197 val = (val & (~BIT7)) | BIT6;
198 __raw_writel(val, PRM_CLKSRC_CTRL);
201 val = __raw_readl(CM_CLKSEL_WKUP) | BIT0;
202 __raw_writel(val, CM_CLKSEL_WKUP); /* select sys_clk for GPT1 */
204 /* Enable I and F Clocks for GPT1 */
205 val = __raw_readl(CM_ICLKEN_WKUP) | BIT0 | BIT2;
206 __raw_writel(val, CM_ICLKEN_WKUP);
207 val = __raw_readl(CM_FCLKEN_WKUP) | BIT0;
208 __raw_writel(val, CM_FCLKEN_WKUP);
210 __raw_writel(0, OMAP34XX_GPT1 + TLDR); /* start counting at 0 */
211 __raw_writel(GPT_EN, OMAP34XX_GPT1 + TCLR); /* enable clock */
212 /* enable 32kHz source *//* enabled out of reset */
213 /* determine sys_clk via gauging */
215 start = 20 + __raw_readl(S32K_CR); /* start time in 20 cycles */
216 while (__raw_readl(S32K_CR) < start); /* dead loop till start time */
217 cstart = __raw_readl(OMAP34XX_GPT1 + TCRR); /* get start sys_clk count */
218 while (__raw_readl(S32K_CR) < (start + 20)); /* wait for 40 cycles */
219 cend = __raw_readl(OMAP34XX_GPT1 + TCRR); /* get end sys_clk count */
220 cdiff = cend - cstart; /* get elapsed ticks */
222 /* based on number of ticks assign speed */
225 else if (cdiff > 15200)
227 else if (cdiff > 13000)
229 else if (cdiff > 9000)
231 else if (cdiff > 7600)
237 /******************************************************************************
238 * get_sys_clkin_sel() - returns the sys_clkin_sel field value based on
239 * -- input oscillator clock frequency.
241 *****************************************************************************/
242 void get_sys_clkin_sel(u32 osc_clk, u32 *sys_clkin_sel)
244 if(osc_clk == S38_4M)
246 else if(osc_clk == S26M)
248 else if(osc_clk == S19_2M)
250 else if(osc_clk == S13M)
252 else if(osc_clk == S12M)
256 /******************************************************************************
257 * prcm_init() - inits clocks for PRCM as defined in clocks.h
258 * -- called from SRAM, or Flash (using temp SRAM stack).
259 *****************************************************************************/
262 u32 osc_clk=0, sys_clkin_sel;
263 dpll_param *dpll_param_p;
264 u32 clk_index, sil_index;
266 /* Gauge the input clock speed and find out the sys_clkin_sel
267 * value corresponding to the input clock.
269 osc_clk = get_osc_clk_speed();
270 get_sys_clkin_sel(osc_clk, &sys_clkin_sel);
272 sr32(PRM_CLKSEL, 0, 3, sys_clkin_sel); /* set input crystal speed */
274 /* If the input clock is greater than 19.2M always divide/2 */
275 if(sys_clkin_sel > 2) {
276 sr32(PRM_CLKSRC_CTRL, 6, 2, 2);/* input clock divider */
277 clk_index = sys_clkin_sel/2;
279 sr32(PRM_CLKSRC_CTRL, 6, 2, 1);/* input clock divider */
280 clk_index = sys_clkin_sel;
283 /* The DPLL tables are defined according to sysclk value and
284 * silicon revision. The clk_index value will be used to get
285 * the values for that input sysclk from the DPLL param table
286 * and sil_index will get the values for that SysClk for the
287 * appropriate silicon rev.
292 if(get_cpu_rev() == CPU_3430_ES1)
294 else if(get_cpu_rev() == CPU_3430_ES2)
298 /* Unlock MPU DPLL (slows things down, and needed later) */
299 sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOW_POWER_BYPASS);
300 wait_on_value(BIT0, 0, CM_IDLEST_PLL_MPU, LDELAY);
302 /* Getting the base address of Core DPLL param table*/
303 dpll_param_p = (dpll_param *)get_core_dpll_param();
304 /* Moving it to the right sysclk and ES rev base */
305 dpll_param_p = dpll_param_p + MAX_SIL_INDEX*clk_index + sil_index;
307 /* sr32(CM_CLKSEL2_EMU) set override to work when asleep */
308 sr32(CM_CLKEN_PLL, 0, 3, PLL_FAST_RELOCK_BYPASS);
309 wait_on_value(BIT0, 0, CM_IDLEST_CKGEN, LDELAY);
310 sr32(CM_CLKSEL1_EMU, 16, 5, CORE_M3X2); /* m3x2 */
311 sr32(CM_CLKSEL1_PLL, 27, 2, dpll_param_p->m2); /* Set M2 */
312 sr32(CM_CLKSEL1_PLL, 16, 11, dpll_param_p->m); /* Set M */
313 sr32(CM_CLKSEL1_PLL, 8, 7, dpll_param_p->n); /* Set N */
314 sr32(CM_CLKSEL1_PLL, 6, 1, 0); /* 96M Src */
315 sr32(CM_CLKSEL_CORE, 8, 4, CORE_SSI_DIV); /* ssi */
316 sr32(CM_CLKSEL_CORE, 4, 2, CORE_FUSB_DIV); /* fsusb */
317 sr32(CM_CLKSEL_CORE, 2, 2, CORE_L4_DIV); /* l4 */
318 sr32(CM_CLKSEL_CORE, 0, 2, CORE_L3_DIV); /* l3 */
319 sr32(CM_CLKSEL_GFX, 0, 3, GFX_DIV); /* gfx */
320 sr32(CM_CLKSEL_WKUP, 1, 2, WKUP_RSM); /* reset mgr */
321 sr32(CM_CLKEN_PLL, 4, 4, dpll_param_p->fsel); /* FREQSEL */
322 sr32(CM_CLKEN_PLL, 0, 3, PLL_LOCK); /* lock mode */
323 wait_on_value(BIT0, 1, CM_IDLEST_CKGEN, LDELAY);
325 /* Getting the base address to PER DPLL param table*/
326 dpll_param_p = (dpll_param *)get_per_dpll_param();
327 /* Moving it to the right sysclk base */
328 dpll_param_p = dpll_param_p + clk_index;
330 sr32(CM_CLKEN_PLL, 16, 3, PLL_STOP);
331 wait_on_value(BIT1, 0, CM_IDLEST_CKGEN, LDELAY);
332 sr32(CM_CLKSEL1_EMU, 24, 5, PER_M6X2); /* set M6 */
333 sr32(CM_CLKSEL_CAM, 0, 5, PER_M5X2); /* set M5 */
334 sr32(CM_CLKSEL_DSS, 0, 5, PER_M4X2); /* set M4 */
335 sr32(CM_CLKSEL_DSS, 8, 5, PER_M3X2); /* set M3 */
336 sr32(CM_CLKSEL3_PLL, 0, 5, dpll_param_p->m2); /* set M2 */
337 sr32(CM_CLKSEL2_PLL, 8, 11, dpll_param_p->m); /* set m */
338 sr32(CM_CLKSEL2_PLL, 0, 7, dpll_param_p->n); /* set n */
339 sr32(CM_CLKEN_PLL, 20, 4, dpll_param_p->fsel);/* FREQSEL */
340 sr32(CM_CLKEN_PLL, 16, 3, PLL_LOCK); /* lock mode */
341 wait_on_value(BIT1, 2, CM_IDLEST_CKGEN, LDELAY);
343 /* Getting the base address to MPU DPLL param table*/
344 dpll_param_p = (dpll_param *)get_mpu_dpll_param();
345 /* Moving it to the right sysclk and ES rev base */
346 dpll_param_p = dpll_param_p + MAX_SIL_INDEX*clk_index + sil_index;
347 /* MPU DPLL (unlocked already) */
348 sr32(CM_CLKSEL2_PLL_MPU, 0, 5, dpll_param_p->m2); /* Set M2 */
349 sr32(CM_CLKSEL1_PLL_MPU, 8, 11, dpll_param_p->m); /* Set M */
350 sr32(CM_CLKSEL1_PLL_MPU, 0, 7, dpll_param_p->n); /* Set N */
351 sr32(CM_CLKEN_PLL_MPU, 4, 4, dpll_param_p->fsel); /* FREQSEL */
352 sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOCK); /* lock mode */
353 wait_on_value(BIT0, 1, CM_IDLEST_PLL_MPU, LDELAY);
355 /* Getting the base address to IVA DPLL param table*/
356 dpll_param_p = (dpll_param *)get_iva_dpll_param();
357 /* Moving it to the right sysclk and ES rev base */
358 dpll_param_p = dpll_param_p + MAX_SIL_INDEX*clk_index + sil_index;
359 /* IVA DPLL (set to 12*20=240MHz) */
360 sr32(CM_CLKEN_PLL_IVA2, 0, 3, PLL_STOP);
361 wait_on_value(BIT0, 0, CM_IDLEST_PLL_IVA2, LDELAY);
362 sr32(CM_CLKSEL2_PLL_IVA2, 0, 5, dpll_param_p->m2); /* set M2 */
363 sr32(CM_CLKSEL1_PLL_IVA2, 8, 11, dpll_param_p->m); /* set M */
364 sr32(CM_CLKSEL1_PLL_IVA2, 0, 7, dpll_param_p->n); /* set N */
365 sr32(CM_CLKEN_PLL_IVA2, 4, 4, dpll_param_p->fsel); /* FREQSEL */
366 sr32(CM_CLKEN_PLL_IVA2, 0, 3, PLL_LOCK); /* lock mode */
367 wait_on_value(BIT0, 1, CM_IDLEST_PLL_IVA2, LDELAY);
369 /* Set up GPTimers to sys_clk source only */
370 sr32(CM_CLKSEL_PER, 0, 8, 0xff);
371 sr32(CM_CLKSEL_WKUP, 0, 1, 1);
376 /*****************************************
377 * Routine: secure_unlock
378 * Description: Setup security registers for access
380 *****************************************/
381 void secure_unlock(void)
383 /* Permission values for registers -Full fledged permissions to all */
384 #define UNLOCK_1 0xFFFFFFFF
385 #define UNLOCK_2 0x00000000
386 #define UNLOCK_3 0x0000FFFF
387 /* Protection Module Register Target APE (PM_RT)*/
388 __raw_writel(UNLOCK_1, RT_REQ_INFO_PERMISSION_1);
389 __raw_writel(UNLOCK_1, RT_READ_PERMISSION_0);
390 __raw_writel(UNLOCK_1, RT_WRITE_PERMISSION_0);
391 __raw_writel(UNLOCK_2, RT_ADDR_MATCH_1);
393 __raw_writel(UNLOCK_3, GPMC_REQ_INFO_PERMISSION_0);
394 __raw_writel(UNLOCK_3, GPMC_READ_PERMISSION_0);
395 __raw_writel(UNLOCK_3, GPMC_WRITE_PERMISSION_0);
397 __raw_writel(UNLOCK_3, OCM_REQ_INFO_PERMISSION_0);
398 __raw_writel(UNLOCK_3, OCM_READ_PERMISSION_0);
399 __raw_writel(UNLOCK_3, OCM_WRITE_PERMISSION_0);
400 __raw_writel(UNLOCK_2, OCM_ADDR_MATCH_2);
403 __raw_writel(UNLOCK_3, IVA2_REQ_INFO_PERMISSION_0);
404 __raw_writel(UNLOCK_3, IVA2_READ_PERMISSION_0);
405 __raw_writel(UNLOCK_3, IVA2_WRITE_PERMISSION_0);
407 __raw_writel(UNLOCK_1, SMS_RG_ATT0); /* SDRC region 0 public */
410 /**********************************************************
411 * Routine: try_unlock_sram()
412 * Description: If chip is GP type, unlock the SRAM for
414 ***********************************************************/
415 void try_unlock_memory(void)
419 /* if GP device unlock device SRAM for general use */
420 /* secure code breaks for Secure/Emulation device - HS/E/T*/
421 mode = get_device_type();
422 if (mode == GP_DEVICE) {
428 /**********************************************************
430 * Description: Does early system init of muxing and clocks.
431 * - Called at time when only stack is available.
432 **********************************************************/
437 #ifdef CONFIG_3430_AS_3410
438 /* setup the scalability control register for
439 * 3430 to work in 3410 mode
441 __raw_writel(0x5ABF,CONTROL_SCALABLE_OMAP_OCP);
448 config_3430sdram_ddr();
451 /*******************************************************
452 * Routine: misc_init_r
453 * Description: Init ethernet (done here so udelay works)
454 ********************************************************/
455 int misc_init_r (void)
460 /******************************************************
461 * Routine: wait_for_command_complete
462 * Description: Wait for posting to finish on watchdog
463 ******************************************************/
464 void wait_for_command_complete(unsigned int wd_base)
468 pending = __raw_readl(wd_base + WWPS);
472 /****************************************
473 * Routine: watchdog_init
474 * Description: Shut down watch dogs
475 *****************************************/
476 void watchdog_init(void)
478 /* There are 3 watch dogs WD1=Secure, WD2=MPU, WD3=IVA. WD1 is
479 * either taken care of by ROM (HS/EMU) or not accessible (GP).
480 * We need to take care of WD2-MPU or take a PRCM reset. WD3
481 * should not be running and does not generate a PRCM reset.
483 sr32(CM_FCLKEN_WKUP, 5, 1, 1);
484 sr32(CM_ICLKEN_WKUP, 5, 1, 1);
485 wait_on_value(BIT5, 0x20, CM_IDLEST_WKUP, 5); /* some issue here */
487 __raw_writel(WD_UNLOCK1, WD2_BASE + WSPR);
488 wait_for_command_complete(WD2_BASE);
489 __raw_writel(WD_UNLOCK2, WD2_BASE + WSPR);
492 /**********************************************
494 * Description: sets uboots idea of sdram size
495 **********************************************/
501 /*****************************************************************
502 * Routine: peripheral_enable
503 * Description: Enable the clks & power for perifs (GPT2, UART1,...)
504 ******************************************************************/
505 void per_clocks_enable(void)
507 /* Enable GP2 timer. */
508 sr32(CM_CLKSEL_PER, 0, 1, 0x1); /* GPT2 = sys clk */
509 sr32(CM_ICLKEN_PER, 3, 1, 0x1); /* ICKen GPT2 */
510 sr32(CM_FCLKEN_PER, 3, 1, 0x1); /* FCKen GPT2 */
513 /* Enable UART1 clocks */
514 sr32(CM_FCLKEN1_CORE, 13, 1, 0x1);
515 sr32(CM_ICLKEN1_CORE, 13, 1, 0x1);
520 /* Set MUX for UART, GPMC, SDRC, GPIO */
522 #define MUX_VAL(OFFSET,VALUE)\
523 __raw_writew((VALUE), OMAP34XX_CTRL_BASE + (OFFSET));
525 #define CP(x) (CONTROL_PADCONF_##x)
528 * IDIS - Input Disable
529 * PTD - Pull type Down
531 * DIS - Pull type selection is inactive
532 * EN - Pull type selection is active
534 * The commented string gives the final mux configuration for that pin
536 #define MUX_DEFAULT()\
537 MUX_VAL(CP(SDRC_D0), (IEN | PTD | DIS | M0)) /*SDRC_D0*/\
538 MUX_VAL(CP(SDRC_D1), (IEN | PTD | DIS | M0)) /*SDRC_D1*/\
539 MUX_VAL(CP(SDRC_D2), (IEN | PTD | DIS | M0)) /*SDRC_D2*/\
540 MUX_VAL(CP(SDRC_D3), (IEN | PTD | DIS | M0)) /*SDRC_D3*/\
541 MUX_VAL(CP(SDRC_D4), (IEN | PTD | DIS | M0)) /*SDRC_D4*/\
542 MUX_VAL(CP(SDRC_D5), (IEN | PTD | DIS | M0)) /*SDRC_D5*/\
543 MUX_VAL(CP(SDRC_D6), (IEN | PTD | DIS | M0)) /*SDRC_D6*/\
544 MUX_VAL(CP(SDRC_D7), (IEN | PTD | DIS | M0)) /*SDRC_D7*/\
545 MUX_VAL(CP(SDRC_D8), (IEN | PTD | DIS | M0)) /*SDRC_D8*/\
546 MUX_VAL(CP(SDRC_D9), (IEN | PTD | DIS | M0)) /*SDRC_D9*/\
547 MUX_VAL(CP(SDRC_D10), (IEN | PTD | DIS | M0)) /*SDRC_D10*/\
548 MUX_VAL(CP(SDRC_D11), (IEN | PTD | DIS | M0)) /*SDRC_D11*/\
549 MUX_VAL(CP(SDRC_D12), (IEN | PTD | DIS | M0)) /*SDRC_D12*/\
550 MUX_VAL(CP(SDRC_D13), (IEN | PTD | DIS | M0)) /*SDRC_D13*/\
551 MUX_VAL(CP(SDRC_D14), (IEN | PTD | DIS | M0)) /*SDRC_D14*/\
552 MUX_VAL(CP(SDRC_D15), (IEN | PTD | DIS | M0)) /*SDRC_D15*/\
553 MUX_VAL(CP(SDRC_D16), (IEN | PTD | DIS | M0)) /*SDRC_D16*/\
554 MUX_VAL(CP(SDRC_D17), (IEN | PTD | DIS | M0)) /*SDRC_D17*/\
555 MUX_VAL(CP(SDRC_D18), (IEN | PTD | DIS | M0)) /*SDRC_D18*/\
556 MUX_VAL(CP(SDRC_D19), (IEN | PTD | DIS | M0)) /*SDRC_D19*/\
557 MUX_VAL(CP(SDRC_D20), (IEN | PTD | DIS | M0)) /*SDRC_D20*/\
558 MUX_VAL(CP(SDRC_D21), (IEN | PTD | DIS | M0)) /*SDRC_D21*/\
559 MUX_VAL(CP(SDRC_D22), (IEN | PTD | DIS | M0)) /*SDRC_D22*/\
560 MUX_VAL(CP(SDRC_D23), (IEN | PTD | DIS | M0)) /*SDRC_D23*/\
561 MUX_VAL(CP(SDRC_D24), (IEN | PTD | DIS | M0)) /*SDRC_D24*/\
562 MUX_VAL(CP(SDRC_D25), (IEN | PTD | DIS | M0)) /*SDRC_D25*/\
563 MUX_VAL(CP(SDRC_D26), (IEN | PTD | DIS | M0)) /*SDRC_D26*/\
564 MUX_VAL(CP(SDRC_D27), (IEN | PTD | DIS | M0)) /*SDRC_D27*/\
565 MUX_VAL(CP(SDRC_D28), (IEN | PTD | DIS | M0)) /*SDRC_D28*/\
566 MUX_VAL(CP(SDRC_D29), (IEN | PTD | DIS | M0)) /*SDRC_D29*/\
567 MUX_VAL(CP(SDRC_D30), (IEN | PTD | DIS | M0)) /*SDRC_D30*/\
568 MUX_VAL(CP(SDRC_D31), (IEN | PTD | DIS | M0)) /*SDRC_D31*/\
569 MUX_VAL(CP(SDRC_CLK), (IEN | PTD | DIS | M0)) /*SDRC_CLK*/\
570 MUX_VAL(CP(SDRC_DQS0), (IEN | PTD | DIS | M0)) /*SDRC_DQS0*/\
571 MUX_VAL(CP(SDRC_DQS1), (IEN | PTD | DIS | M0)) /*SDRC_DQS1*/\
572 MUX_VAL(CP(SDRC_DQS2), (IEN | PTD | DIS | M0)) /*SDRC_DQS2*/\
573 MUX_VAL(CP(SDRC_DQS3), (IEN | PTD | DIS | M0)) /*SDRC_DQS3*/\
574 MUX_VAL(CP(GPMC_A1), (IDIS | PTD | DIS | M0)) /*GPMC_A1*/\
575 MUX_VAL(CP(GPMC_A2), (IDIS | PTD | DIS | M0)) /*GPMC_A2*/\
576 MUX_VAL(CP(GPMC_A3), (IDIS | PTD | DIS | M0)) /*GPMC_A3*/\
577 MUX_VAL(CP(GPMC_A4), (IDIS | PTD | DIS | M0)) /*GPMC_A4*/\
578 MUX_VAL(CP(GPMC_A5), (IDIS | PTD | DIS | M0)) /*GPMC_A5*/\
579 MUX_VAL(CP(GPMC_A6), (IDIS | PTD | DIS | M0)) /*GPMC_A6*/\
580 MUX_VAL(CP(GPMC_A7), (IDIS | PTD | DIS | M0)) /*GPMC_A7*/\
581 MUX_VAL(CP(GPMC_A8), (IDIS | PTD | DIS | M0)) /*GPMC_A8*/\
582 MUX_VAL(CP(GPMC_A9), (IDIS | PTD | DIS | M0)) /*GPMC_A9*/\
583 MUX_VAL(CP(GPMC_A10), (IDIS | PTD | DIS | M0)) /*GPMC_A10*/\
584 MUX_VAL(CP(GPMC_D0), (IEN | PTD | DIS | M0)) /*GPMC_D0*/\
585 MUX_VAL(CP(GPMC_D1), (IEN | PTD | DIS | M0)) /*GPMC_D1*/\
586 MUX_VAL(CP(GPMC_D2), (IEN | PTD | DIS | M0)) /*GPMC_D2*/\
587 MUX_VAL(CP(GPMC_D3), (IEN | PTD | DIS | M0)) /*GPMC_D3*/\
588 MUX_VAL(CP(GPMC_D4), (IEN | PTD | DIS | M0)) /*GPMC_D4*/\
589 MUX_VAL(CP(GPMC_D5), (IEN | PTD | DIS | M0)) /*GPMC_D5*/\
590 MUX_VAL(CP(GPMC_D6), (IEN | PTD | DIS | M0)) /*GPMC_D6*/\
591 MUX_VAL(CP(GPMC_D7), (IEN | PTD | DIS | M0)) /*GPMC_D7*/\
592 MUX_VAL(CP(GPMC_D8), (IEN | PTD | DIS | M0)) /*GPMC_D8*/\
593 MUX_VAL(CP(GPMC_D9), (IEN | PTD | DIS | M0)) /*GPMC_D9*/\
594 MUX_VAL(CP(GPMC_D10), (IEN | PTD | DIS | M0)) /*GPMC_D10*/\
595 MUX_VAL(CP(GPMC_D11), (IEN | PTD | DIS | M0)) /*GPMC_D11*/\
596 MUX_VAL(CP(GPMC_D12), (IEN | PTD | DIS | M0)) /*GPMC_D12*/\
597 MUX_VAL(CP(GPMC_D13), (IEN | PTD | DIS | M0)) /*GPMC_D13*/\
598 MUX_VAL(CP(GPMC_D14), (IEN | PTD | DIS | M0)) /*GPMC_D14*/\
599 MUX_VAL(CP(GPMC_D15), (IEN | PTD | DIS | M0)) /*GPMC_D15*/\
600 MUX_VAL(CP(GPMC_nCS0), (IDIS | PTU | EN | M0)) /*GPMC_nCS0*/\
601 MUX_VAL(CP(GPMC_nCS1), (IDIS | PTU | EN | M0)) /*GPMC_nCS1*/\
602 MUX_VAL(CP(GPMC_nCS2), (IDIS | PTU | EN | M0)) /*GPMC_nCS2*/\
603 MUX_VAL(CP(GPMC_nCS3), (IDIS | PTU | EN | M0)) /*GPMC_nCS3*/\
604 MUX_VAL(CP(GPMC_nCS4), (IDIS | PTU | EN | M0)) /*GPMC_nCS4*/\
605 MUX_VAL(CP(GPMC_nCS5), (IDIS | PTU | EN | M0)) /*GPMC_nCS5*/\
606 MUX_VAL(CP(GPMC_nCS6), (IDIS | PTU | EN | M0)) /*GPMC_nCS6*/\
607 MUX_VAL(CP(GPMC_nCS7), (IDIS | PTU | EN | M0)) /*GPMC_nCS7*/\
608 MUX_VAL(CP(GPMC_CLK), (IDIS | PTD | DIS | M0)) /*GPMC_CLK*/\
609 MUX_VAL(CP(GPMC_nADV_ALE), (IDIS | PTD | DIS | M0)) /*GPMC_nADV_ALE*/\
610 MUX_VAL(CP(GPMC_nOE), (IDIS | PTD | DIS | M0)) /*GPMC_nOE*/\
611 MUX_VAL(CP(GPMC_nWE), (IDIS | PTD | DIS | M0)) /*GPMC_nWE*/\
612 MUX_VAL(CP(GPMC_nBE0_CLE), (IDIS | PTD | DIS | M0)) /*GPMC_nBE0_CLE*/\
613 MUX_VAL(CP(GPMC_nBE1), (IDIS | PTD | DIS | M4)) /*GPIO_61*/\
614 MUX_VAL(CP(GPMC_nWP), (IEN | PTD | DIS | M0)) /*GPMC_nWP*/\
615 MUX_VAL(CP(GPMC_WAIT0), (IEN | PTU | EN | M0)) /*GPMC_WAIT0*/\
616 MUX_VAL(CP(GPMC_WAIT1), (IEN | PTU | EN | M0)) /*GPMC_WAIT1*/\
617 MUX_VAL(CP(GPMC_WAIT2), (IEN | PTU | EN | M4)) /*GPIO_64*/\
618 MUX_VAL(CP(GPMC_WAIT3), (IEN | PTU | EN | M4)) /*GPIO_65*/\
619 MUX_VAL(CP(DSS_DATA18), (IEN | PTD | DIS | M4)) /*GPIO_88*/\
620 MUX_VAL(CP(DSS_DATA19), (IEN | PTD | DIS | M4)) /*GPIO_89*/\
621 MUX_VAL(CP(DSS_DATA20), (IEN | PTD | DIS | M4)) /*GPIO_90*/\
622 MUX_VAL(CP(DSS_DATA21), (IEN | PTD | DIS | M4)) /*GPIO_91*/\
623 MUX_VAL(CP(CAM_WEN), (IEN | PTD | DIS | M4)) /*GPIO_167*/\
624 MUX_VAL(CP(UART1_TX), (IDIS | PTD | DIS | M0)) /*UART1_TX*/\
625 MUX_VAL(CP(UART1_RTS), (IDIS | PTD | DIS | M0)) /*UART1_RTS*/\
626 MUX_VAL(CP(UART1_CTS), (IEN | PTU | DIS | M0)) /*UART1_CTS*/\
627 MUX_VAL(CP(UART1_RX), (IEN | PTD | DIS | M0)) /*UART1_RX*/\
628 MUX_VAL(CP(McBSP1_DX), (IEN | PTD | DIS | M4)) /*GPIO_158*/\
629 MUX_VAL(CP(SYS_32K), (IEN | PTD | DIS | M0)) /*SYS_32K*/\
630 MUX_VAL(CP(SYS_BOOT0), (IEN | PTD | DIS | M4)) /*GPIO_2 */\
631 MUX_VAL(CP(SYS_BOOT1), (IEN | PTD | DIS | M4)) /*GPIO_3 */\
632 MUX_VAL(CP(SYS_BOOT2), (IEN | PTD | DIS | M4)) /*GPIO_4 */\
633 MUX_VAL(CP(SYS_BOOT3), (IEN | PTD | DIS | M4)) /*GPIO_5 */\
634 MUX_VAL(CP(SYS_BOOT4), (IEN | PTD | DIS | M4)) /*GPIO_6 */\
635 MUX_VAL(CP(SYS_BOOT5), (IEN | PTD | DIS | M4)) /*GPIO_7 */\
636 MUX_VAL(CP(SYS_BOOT6), (IEN | PTD | DIS | M4)) /*GPIO_8 */\
637 MUX_VAL(CP(SYS_CLKOUT2), (IEN | PTU | EN | M4)) /*GPIO_186*/\
638 MUX_VAL(CP(JTAG_nTRST), (IEN | PTD | DIS | M0)) /*JTAG_nTRST*/\
639 MUX_VAL(CP(JTAG_TCK), (IEN | PTD | DIS | M0)) /*JTAG_TCK*/\
640 MUX_VAL(CP(JTAG_TMS), (IEN | PTD | DIS | M0)) /*JTAG_TMS*/\
641 MUX_VAL(CP(JTAG_TDI), (IEN | PTD | DIS | M0)) /*JTAG_TDI*/\
642 MUX_VAL(CP(JTAG_EMU0), (IEN | PTD | DIS | M0)) /*JTAG_EMU0*/\
643 MUX_VAL(CP(JTAG_EMU1), (IEN | PTD | DIS | M0)) /*JTAG_EMU1*/\
644 MUX_VAL(CP(ETK_CLK), (IEN | PTD | DIS | M4)) /*GPIO_12*/\
645 MUX_VAL(CP(ETK_CTL), (IEN | PTD | DIS | M4)) /*GPIO_13*/\
646 MUX_VAL(CP(ETK_D0 ), (IEN | PTD | DIS | M4)) /*GPIO_14*/\
647 MUX_VAL(CP(ETK_D1 ), (IEN | PTD | DIS | M4)) /*GPIO_15*/\
648 MUX_VAL(CP(ETK_D2 ), (IEN | PTD | DIS | M4)) /*GPIO_16*/\
649 MUX_VAL(CP(ETK_D10), (IEN | PTD | DIS | M4)) /*GPIO_24*/\
650 MUX_VAL(CP(ETK_D11), (IEN | PTD | DIS | M4)) /*GPIO_25*/\
651 MUX_VAL(CP(ETK_D12), (IEN | PTD | DIS | M4)) /*GPIO_26*/\
652 MUX_VAL(CP(ETK_D13), (IEN | PTD | DIS | M4)) /*GPIO_27*/\
653 MUX_VAL(CP(ETK_D14), (IEN | PTD | DIS | M4)) /*GPIO_28*/\
654 MUX_VAL(CP(ETK_D15), (IEN | PTD | DIS | M4)) /*GPIO_29*/
656 /**********************************************************
657 * Routine: set_muxconf_regs
658 * Description: Setting up the configuration Mux registers
659 * specific to the hardware. Many pins need
660 * to be moved from protect to primary mode.
661 *********************************************************/
662 void set_muxconf_regs(void)
667 /**********************************************************
668 * Routine: nand+_init
669 * Description: Set up nand for nand and jffs2 commands
670 *********************************************************/
673 /* global settings */
674 __raw_writel(0x10, GPMC_SYSCONFIG); /* smart idle */
675 __raw_writel(0x0, GPMC_IRQENABLE); /* isr's sources masked */
676 __raw_writel(0, GPMC_TIMEOUT_CONTROL);/* timeout disable */
678 __raw_writel(0x001, GPMC_CONFIG); /* set nWP, disable limited addr */
681 /* Set the GPMC Vals . For NAND boot on 3430SDP, NAND is mapped at CS0
682 * , NOR at CS1 and MPDB at CS3. And oneNAND boot, we map oneNAND at CS0.
683 * We configure only GPMC CS0 with required values. Configiring other devices
684 * at other CS in done in u-boot anyway. So we don't have to bother doing it here.
686 __raw_writel(0 , GPMC_CONFIG7 + GPMC_CONFIG_CS0);
690 __raw_writel( SMNAND_GPMC_CONFIG1, GPMC_CONFIG1 + GPMC_CONFIG_CS0);
691 __raw_writel( SMNAND_GPMC_CONFIG2, GPMC_CONFIG2 + GPMC_CONFIG_CS0);
692 __raw_writel( SMNAND_GPMC_CONFIG3, GPMC_CONFIG3 + GPMC_CONFIG_CS0);
693 __raw_writel( SMNAND_GPMC_CONFIG4, GPMC_CONFIG4 + GPMC_CONFIG_CS0);
694 __raw_writel( SMNAND_GPMC_CONFIG5, GPMC_CONFIG5 + GPMC_CONFIG_CS0);
695 __raw_writel( SMNAND_GPMC_CONFIG6, GPMC_CONFIG6 + GPMC_CONFIG_CS0);
697 #else /* CFG_ONENAND */
698 __raw_writel( ONENAND_GPMC_CONFIG1, GPMC_CONFIG1 + GPMC_CONFIG_CS0);
699 __raw_writel( ONENAND_GPMC_CONFIG2, GPMC_CONFIG2 + GPMC_CONFIG_CS0);
700 __raw_writel( ONENAND_GPMC_CONFIG3, GPMC_CONFIG3 + GPMC_CONFIG_CS0);
701 __raw_writel( ONENAND_GPMC_CONFIG4, GPMC_CONFIG4 + GPMC_CONFIG_CS0);
702 __raw_writel( ONENAND_GPMC_CONFIG5, GPMC_CONFIG5 + GPMC_CONFIG_CS0);
703 __raw_writel( ONENAND_GPMC_CONFIG6, GPMC_CONFIG6 + GPMC_CONFIG_CS0);
706 /* Enable the GPMC Mapping */
707 __raw_writel(( ((OMAP34XX_GPMC_CS0_SIZE & 0xF)<<8) |
708 ((OMAP34XX_GPMC_CS0_MAP>>24) & 0x3F) |
709 (1<<6) ), (GPMC_CONFIG7 + GPMC_CONFIG_CS0));
711 #if defined(CFG_NAND)
714 printf("Unsupported Chip!\n");
718 #elif defined(CFG_ONENAND)
721 printf("OneNAND Unsupported !\n");
730 typedef int (mmc_boot_addr) (void);
734 unsigned long offset = CFG_LOADADDR;
737 block_dev_desc_t *dev_desc = NULL;
741 unsigned char ret = 0;
743 printf("Starting X-loader on MMC \n");
747 printf("\n MMC init failed \n");
751 dev_desc = mmc_get_dev(0);
752 fat_register_device(dev_desc, 1);
753 size = file_fat_read("u-boot.bin", (unsigned char *)offset, 0);
757 printf("\n%ld Bytes Read from MMC \n", size);
759 printf("Starting OS Bootloader from MMC...\n");
761 ((mmc_boot_addr *) CFG_LOADADDR) ();
767 /* optionally do something like blinking LED */
768 void board_hang (void)