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 * cpu_is_3410(void) - returns true for 3410
81 ******************************************/
85 if(get_cpu_rev() < CPU_3430_ES2) {
88 /* read scalability status and return 1 for 3410*/
89 status = __raw_readl(CONTROL_SCALABLE_OMAP_STATUS);
90 /* Check whether MPU frequency is set to 266 MHz which
91 * is nominal for 3410. If yes return true else false
93 if (((status >> 8) & 0x3) == 0x2)
100 #ifdef CFG_3430SDRAM_DDR
101 /*********************************************************************
102 * config_3430sdram_ddr() - Init DDR on 3430SDP dev board.
103 *********************************************************************/
104 void config_3430sdram_ddr(void)
106 /* reset sdrc controller */
107 __raw_writel(SOFTRESET, SDRC_SYSCONFIG);
108 wait_on_value(BIT0, BIT0, SDRC_STATUS, 12000000);
109 __raw_writel(0, SDRC_SYSCONFIG);
111 /* setup sdrc to ball mux */
112 __raw_writel(SDP_SDRC_SHARING, SDRC_SHARING);
115 __raw_writel(SDP_SDRC_MDCFG_0_DDR, SDRC_MCFG_0);
118 __raw_writel(SDP_SDRC_ACTIM_CTRLA_0, SDRC_ACTIM_CTRLA_0);
119 __raw_writel(SDP_SDRC_ACTIM_CTRLB_0, SDRC_ACTIM_CTRLB_0);
120 __raw_writel(SDP_SDRC_RFR_CTRL, SDRC_RFR_CTRL);
122 /* init sequence for mDDR/mSDR using manual commands (DDR is different) */
123 __raw_writel(CMD_NOP, SDRC_MANUAL_0);
125 __raw_writel(CMD_PRECHARGE, SDRC_MANUAL_0);
126 __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_0);
127 __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_0);
130 __raw_writel(SDP_SDRC_MR_0_DDR, SDRC_MR_0);
133 __raw_writel(SDP_SDRC_DLLAB_CTRL, SDRC_DLLA_CTRL);
134 delay(0x2000); /* give time to lock */
137 #endif // CFG_3430SDRAM_DDR
139 /*************************************************************
140 * get_sys_clk_speed - determine reference oscillator speed
141 * based on known 32kHz clock and gptimer.
142 *************************************************************/
143 u32 get_osc_clk_speed(void)
145 u32 start, cstart, cend, cdiff, val;
147 val = __raw_readl(PRM_CLKSRC_CTRL);
148 /* If SYS_CLK is being divided by 2, remove for now */
149 val = (val & (~BIT7)) | BIT6;
150 __raw_writel(val, PRM_CLKSRC_CTRL);
153 val = __raw_readl(CM_CLKSEL_WKUP) | BIT0;
154 __raw_writel(val, CM_CLKSEL_WKUP); /* select sys_clk for GPT1 */
156 /* Enable I and F Clocks for GPT1 */
157 val = __raw_readl(CM_ICLKEN_WKUP) | BIT0 | BIT2;
158 __raw_writel(val, CM_ICLKEN_WKUP);
159 val = __raw_readl(CM_FCLKEN_WKUP) | BIT0;
160 __raw_writel(val, CM_FCLKEN_WKUP);
162 __raw_writel(0, OMAP34XX_GPT1 + TLDR); /* start counting at 0 */
163 __raw_writel(GPT_EN, OMAP34XX_GPT1 + TCLR); /* enable clock */
164 /* enable 32kHz source *//* enabled out of reset */
165 /* determine sys_clk via gauging */
167 start = 20 + __raw_readl(S32K_CR); /* start time in 20 cycles */
168 while (__raw_readl(S32K_CR) < start); /* dead loop till start time */
169 cstart = __raw_readl(OMAP34XX_GPT1 + TCRR); /* get start sys_clk count */
170 while (__raw_readl(S32K_CR) < (start + 20)); /* wait for 40 cycles */
171 cend = __raw_readl(OMAP34XX_GPT1 + TCRR); /* get end sys_clk count */
172 cdiff = cend - cstart; /* get elapsed ticks */
174 /* based on number of ticks assign speed */
177 else if (cdiff > 15200)
179 else if (cdiff > 13000)
181 else if (cdiff > 9000)
183 else if (cdiff > 7600)
189 /******************************************************************************
190 * prcm_init() - inits clocks for PRCM as defined in clocks.h
191 * -- called from SRAM, or Flash (using temp SRAM stack).
192 *****************************************************************************/
195 u32 osc_clk=0, sys_clkin_sel;
196 dpll_param *dpll_param_p;
197 u32 clk_index, sil_index;
199 /* Gauge the input clock speed and find out the sys_clkin_sel
200 * value corresponding to the input clock.
202 osc_clk = get_osc_clk_speed();
203 get_sys_clkin_sel(osc_clk, &sys_clkin_sel);
205 sr32(PRM_CLKSEL, 0, 3, sys_clkin_sel); /* set input crystal speed */
207 /* If the input clock is greater than 19.2M always divide/2 */
208 if(sys_clkin_sel > 2) {
209 sr32(PRM_CLKSRC_CTRL, 6, 2, 2);/* input clock divider */
210 clk_index = sys_clkin_sel/2;
212 sr32(PRM_CLKSRC_CTRL, 6, 2, 1);/* input clock divider */
213 clk_index = sys_clkin_sel;
216 /* The DPLL tables are defined according to sysclk value and
217 * silicon revision. The clk_index value will be used to get
218 * the values for that input sysclk from the DPLL param table
219 * and sil_index will get the values for that SysClk for the
220 * appropriate silicon rev.
225 if(get_cpu_rev() == CPU_3430_ES1)
227 else if(get_cpu_rev() == CPU_3430_ES2)
231 /* Unlock MPU DPLL (slows things down, and needed later) */
232 sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOW_POWER_BYPASS);
233 wait_on_value(BIT0, 0, CM_IDLEST_PLL_MPU, LDELAY);
235 /* Getting the base address of Core DPLL param table*/
236 dpll_param_p = (dpll_param *)get_core_dpll_param();
237 /* Moving it to the right sysclk and ES rev base */
238 dpll_param_p = dpll_param_p + MAX_SIL_INDEX*clk_index + sil_index;
240 /* sr32(CM_CLKSEL2_EMU) set override to work when asleep */
241 sr32(CM_CLKEN_PLL, 0, 3, PLL_FAST_RELOCK_BYPASS);
242 wait_on_value(BIT0, 0, CM_IDLEST_CKGEN, LDELAY);
243 sr32(CM_CLKSEL1_EMU, 16, 5, CORE_M3X2); /* m3x2 */
244 sr32(CM_CLKSEL1_PLL, 27, 2, dpll_param_p->m2); /* Set M2 */
245 sr32(CM_CLKSEL1_PLL, 16, 11, dpll_param_p->m); /* Set M */
246 sr32(CM_CLKSEL1_PLL, 8, 7, dpll_param_p->n); /* Set N */
247 sr32(CM_CLKSEL1_PLL, 6, 1, 0); /* 96M Src */
248 sr32(CM_CLKSEL_CORE, 8, 4, CORE_SSI_DIV); /* ssi */
249 sr32(CM_CLKSEL_CORE, 4, 2, CORE_FUSB_DIV); /* fsusb */
250 sr32(CM_CLKSEL_CORE, 2, 2, CORE_L4_DIV); /* l4 */
251 sr32(CM_CLKSEL_CORE, 0, 2, CORE_L3_DIV); /* l3 */
252 sr32(CM_CLKSEL_GFX, 0, 3, GFX_DIV); /* gfx */
253 sr32(CM_CLKSEL_WKUP, 1, 2, WKUP_RSM); /* reset mgr */
254 sr32(CM_CLKEN_PLL, 4, 4, dpll_param_p->fsel); /* FREQSEL */
255 sr32(CM_CLKEN_PLL, 0, 3, PLL_LOCK); /* lock mode */
256 wait_on_value(BIT0, 1, CM_IDLEST_CKGEN, LDELAY);
258 /* Getting the base address to PER DPLL param table*/
259 dpll_param_p = (dpll_param *)get_per_dpll_param();
260 /* Moving it to the right sysclk base */
261 dpll_param_p = dpll_param_p + clk_index;
263 sr32(CM_CLKEN_PLL, 16, 3, PLL_STOP);
264 wait_on_value(BIT1, 0, CM_IDLEST_CKGEN, LDELAY);
265 sr32(CM_CLKSEL1_EMU, 24, 5, PER_M6X2); /* set M6 */
266 sr32(CM_CLKSEL_CAM, 0, 5, PER_M5X2); /* set M5 */
267 sr32(CM_CLKSEL_DSS, 0, 5, PER_M4X2); /* set M4 */
268 sr32(CM_CLKSEL_DSS, 8, 5, PER_M3X2); /* set M3 */
269 sr32(CM_CLKSEL3_PLL, 0, 5, dpll_param_p->m2); /* set M2 */
270 sr32(CM_CLKSEL2_PLL, 8, 11, dpll_param_p->m); /* set m */
271 sr32(CM_CLKSEL2_PLL, 0, 7, dpll_param_p->n); /* set n */
272 sr32(CM_CLKEN_PLL, 20, 4, dpll_param_p->fsel);/* FREQSEL */
273 sr32(CM_CLKEN_PLL, 16, 3, PLL_LOCK); /* lock mode */
274 wait_on_value(BIT1, 2, CM_IDLEST_CKGEN, LDELAY);
276 /* Getting the base address to MPU DPLL param table*/
277 dpll_param_p = (dpll_param *)get_mpu_dpll_param();
278 /* Moving it to the right sysclk and ES rev base */
279 dpll_param_p = dpll_param_p + MAX_SIL_INDEX*clk_index + sil_index;
280 /* MPU DPLL (unlocked already) */
281 sr32(CM_CLKSEL2_PLL_MPU, 0, 5, dpll_param_p->m2); /* Set M2 */
282 sr32(CM_CLKSEL1_PLL_MPU, 8, 11, dpll_param_p->m); /* Set M */
283 sr32(CM_CLKSEL1_PLL_MPU, 0, 7, dpll_param_p->n); /* Set N */
284 sr32(CM_CLKEN_PLL_MPU, 4, 4, dpll_param_p->fsel); /* FREQSEL */
285 sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOCK); /* lock mode */
286 wait_on_value(BIT0, 1, CM_IDLEST_PLL_MPU, LDELAY);
288 /* Getting the base address to IVA DPLL param table*/
289 dpll_param_p = (dpll_param *)get_iva_dpll_param();
290 /* Moving it to the right sysclk and ES rev base */
291 dpll_param_p = dpll_param_p + MAX_SIL_INDEX*clk_index + sil_index;
292 /* IVA DPLL (set to 12*20=240MHz) */
293 sr32(CM_CLKEN_PLL_IVA2, 0, 3, PLL_STOP);
294 wait_on_value(BIT0, 0, CM_IDLEST_PLL_IVA2, LDELAY);
295 sr32(CM_CLKSEL2_PLL_IVA2, 0, 5, dpll_param_p->m2); /* set M2 */
296 sr32(CM_CLKSEL1_PLL_IVA2, 8, 11, dpll_param_p->m); /* set M */
297 sr32(CM_CLKSEL1_PLL_IVA2, 0, 7, dpll_param_p->n); /* set N */
298 sr32(CM_CLKEN_PLL_IVA2, 4, 4, dpll_param_p->fsel); /* FREQSEL */
299 sr32(CM_CLKEN_PLL_IVA2, 0, 3, PLL_LOCK); /* lock mode */
300 wait_on_value(BIT0, 1, CM_IDLEST_PLL_IVA2, LDELAY);
302 /* Set up GPTimers to sys_clk source only */
303 sr32(CM_CLKSEL_PER, 0, 8, 0xff);
304 sr32(CM_CLKSEL_WKUP, 0, 1, 1);
309 /**********************************************************
311 * Description: Does early system init of muxing and clocks.
312 * - Called at time when only stack is available.
313 **********************************************************/
318 #ifdef CONFIG_3430_AS_3410
319 /* setup the scalability control register for
320 * 3430 to work in 3410 mode
322 __raw_writel(0x5ABF,CONTROL_SCALABLE_OMAP_OCP);
329 config_3430sdram_ddr();
332 /*******************************************************
333 * Routine: misc_init_r
334 * Description: Init ethernet (done here so udelay works)
335 ********************************************************/
336 int misc_init_r (void)
341 /******************************************************
342 * Routine: wait_for_command_complete
343 * Description: Wait for posting to finish on watchdog
344 ******************************************************/
345 void wait_for_command_complete(unsigned int wd_base)
349 pending = __raw_readl(wd_base + WWPS);
353 /****************************************
354 * Routine: watchdog_init
355 * Description: Shut down watch dogs
356 *****************************************/
357 void watchdog_init(void)
359 /* There are 3 watch dogs WD1=Secure, WD2=MPU, WD3=IVA. WD1 is
360 * either taken care of by ROM (HS/EMU) or not accessible (GP).
361 * We need to take care of WD2-MPU or take a PRCM reset. WD3
362 * should not be running and does not generate a PRCM reset.
364 sr32(CM_FCLKEN_WKUP, 5, 1, 1);
365 sr32(CM_ICLKEN_WKUP, 5, 1, 1);
366 wait_on_value(BIT5, 0x20, CM_IDLEST_WKUP, 5); /* some issue here */
368 __raw_writel(WD_UNLOCK1, WD2_BASE + WSPR);
369 wait_for_command_complete(WD2_BASE);
370 __raw_writel(WD_UNLOCK2, WD2_BASE + WSPR);
373 /**********************************************
375 * Description: sets uboots idea of sdram size
376 **********************************************/
382 /*****************************************************************
383 * Routine: peripheral_enable
384 * Description: Enable the clks & power for perifs (GPT2, UART1,...)
385 ******************************************************************/
386 void per_clocks_enable(void)
388 /* Enable GP2 timer. */
389 sr32(CM_CLKSEL_PER, 0, 1, 0x1); /* GPT2 = sys clk */
390 sr32(CM_ICLKEN_PER, 3, 1, 0x1); /* ICKen GPT2 */
391 sr32(CM_FCLKEN_PER, 3, 1, 0x1); /* FCKen GPT2 */
394 /* Enable UART1 clocks */
395 sr32(CM_FCLKEN1_CORE, 13, 1, 0x1);
396 sr32(CM_ICLKEN1_CORE, 13, 1, 0x1);
401 /* Set MUX for UART, GPMC, SDRC, GPIO */
403 #define MUX_VAL(OFFSET,VALUE)\
404 __raw_writew((VALUE), OMAP34XX_CTRL_BASE + (OFFSET));
406 #define CP(x) (CONTROL_PADCONF_##x)
409 * IDIS - Input Disable
410 * PTD - Pull type Down
412 * DIS - Pull type selection is inactive
413 * EN - Pull type selection is active
415 * The commented string gives the final mux configuration for that pin
417 #define MUX_DEFAULT()\
418 MUX_VAL(CP(SDRC_D0), (IEN | PTD | DIS | M0)) /*SDRC_D0*/\
419 MUX_VAL(CP(SDRC_D1), (IEN | PTD | DIS | M0)) /*SDRC_D1*/\
420 MUX_VAL(CP(SDRC_D2), (IEN | PTD | DIS | M0)) /*SDRC_D2*/\
421 MUX_VAL(CP(SDRC_D3), (IEN | PTD | DIS | M0)) /*SDRC_D3*/\
422 MUX_VAL(CP(SDRC_D4), (IEN | PTD | DIS | M0)) /*SDRC_D4*/\
423 MUX_VAL(CP(SDRC_D5), (IEN | PTD | DIS | M0)) /*SDRC_D5*/\
424 MUX_VAL(CP(SDRC_D6), (IEN | PTD | DIS | M0)) /*SDRC_D6*/\
425 MUX_VAL(CP(SDRC_D7), (IEN | PTD | DIS | M0)) /*SDRC_D7*/\
426 MUX_VAL(CP(SDRC_D8), (IEN | PTD | DIS | M0)) /*SDRC_D8*/\
427 MUX_VAL(CP(SDRC_D9), (IEN | PTD | DIS | M0)) /*SDRC_D9*/\
428 MUX_VAL(CP(SDRC_D10), (IEN | PTD | DIS | M0)) /*SDRC_D10*/\
429 MUX_VAL(CP(SDRC_D11), (IEN | PTD | DIS | M0)) /*SDRC_D11*/\
430 MUX_VAL(CP(SDRC_D12), (IEN | PTD | DIS | M0)) /*SDRC_D12*/\
431 MUX_VAL(CP(SDRC_D13), (IEN | PTD | DIS | M0)) /*SDRC_D13*/\
432 MUX_VAL(CP(SDRC_D14), (IEN | PTD | DIS | M0)) /*SDRC_D14*/\
433 MUX_VAL(CP(SDRC_D15), (IEN | PTD | DIS | M0)) /*SDRC_D15*/\
434 MUX_VAL(CP(SDRC_D16), (IEN | PTD | DIS | M0)) /*SDRC_D16*/\
435 MUX_VAL(CP(SDRC_D17), (IEN | PTD | DIS | M0)) /*SDRC_D17*/\
436 MUX_VAL(CP(SDRC_D18), (IEN | PTD | DIS | M0)) /*SDRC_D18*/\
437 MUX_VAL(CP(SDRC_D19), (IEN | PTD | DIS | M0)) /*SDRC_D19*/\
438 MUX_VAL(CP(SDRC_D20), (IEN | PTD | DIS | M0)) /*SDRC_D20*/\
439 MUX_VAL(CP(SDRC_D21), (IEN | PTD | DIS | M0)) /*SDRC_D21*/\
440 MUX_VAL(CP(SDRC_D22), (IEN | PTD | DIS | M0)) /*SDRC_D22*/\
441 MUX_VAL(CP(SDRC_D23), (IEN | PTD | DIS | M0)) /*SDRC_D23*/\
442 MUX_VAL(CP(SDRC_D24), (IEN | PTD | DIS | M0)) /*SDRC_D24*/\
443 MUX_VAL(CP(SDRC_D25), (IEN | PTD | DIS | M0)) /*SDRC_D25*/\
444 MUX_VAL(CP(SDRC_D26), (IEN | PTD | DIS | M0)) /*SDRC_D26*/\
445 MUX_VAL(CP(SDRC_D27), (IEN | PTD | DIS | M0)) /*SDRC_D27*/\
446 MUX_VAL(CP(SDRC_D28), (IEN | PTD | DIS | M0)) /*SDRC_D28*/\
447 MUX_VAL(CP(SDRC_D29), (IEN | PTD | DIS | M0)) /*SDRC_D29*/\
448 MUX_VAL(CP(SDRC_D30), (IEN | PTD | DIS | M0)) /*SDRC_D30*/\
449 MUX_VAL(CP(SDRC_D31), (IEN | PTD | DIS | M0)) /*SDRC_D31*/\
450 MUX_VAL(CP(SDRC_CLK), (IEN | PTD | DIS | M0)) /*SDRC_CLK*/\
451 MUX_VAL(CP(SDRC_DQS0), (IEN | PTD | DIS | M0)) /*SDRC_DQS0*/\
452 MUX_VAL(CP(SDRC_DQS1), (IEN | PTD | DIS | M0)) /*SDRC_DQS1*/\
453 MUX_VAL(CP(SDRC_DQS2), (IEN | PTD | DIS | M0)) /*SDRC_DQS2*/\
454 MUX_VAL(CP(SDRC_DQS3), (IEN | PTD | DIS | M0)) /*SDRC_DQS3*/\
455 MUX_VAL(CP(GPMC_A1), (IDIS | PTD | DIS | M0)) /*GPMC_A1*/\
456 MUX_VAL(CP(GPMC_A2), (IDIS | PTD | DIS | M0)) /*GPMC_A2*/\
457 MUX_VAL(CP(GPMC_A3), (IDIS | PTD | DIS | M0)) /*GPMC_A3*/\
458 MUX_VAL(CP(GPMC_A4), (IDIS | PTD | DIS | M0)) /*GPMC_A4*/\
459 MUX_VAL(CP(GPMC_A5), (IDIS | PTD | DIS | M0)) /*GPMC_A5*/\
460 MUX_VAL(CP(GPMC_A6), (IDIS | PTD | DIS | M0)) /*GPMC_A6*/\
461 MUX_VAL(CP(GPMC_A7), (IDIS | PTD | DIS | M0)) /*GPMC_A7*/\
462 MUX_VAL(CP(GPMC_A8), (IDIS | PTD | DIS | M0)) /*GPMC_A8*/\
463 MUX_VAL(CP(GPMC_A9), (IDIS | PTD | DIS | M0)) /*GPMC_A9*/\
464 MUX_VAL(CP(GPMC_A10), (IDIS | PTD | DIS | M0)) /*GPMC_A10*/\
465 MUX_VAL(CP(GPMC_D0), (IEN | PTD | DIS | M0)) /*GPMC_D0*/\
466 MUX_VAL(CP(GPMC_D1), (IEN | PTD | DIS | M0)) /*GPMC_D1*/\
467 MUX_VAL(CP(GPMC_D2), (IEN | PTD | DIS | M0)) /*GPMC_D2*/\
468 MUX_VAL(CP(GPMC_D3), (IEN | PTD | DIS | M0)) /*GPMC_D3*/\
469 MUX_VAL(CP(GPMC_D4), (IEN | PTD | DIS | M0)) /*GPMC_D4*/\
470 MUX_VAL(CP(GPMC_D5), (IEN | PTD | DIS | M0)) /*GPMC_D5*/\
471 MUX_VAL(CP(GPMC_D6), (IEN | PTD | DIS | M0)) /*GPMC_D6*/\
472 MUX_VAL(CP(GPMC_D7), (IEN | PTD | DIS | M0)) /*GPMC_D7*/\
473 MUX_VAL(CP(GPMC_D8), (IEN | PTD | DIS | M0)) /*GPMC_D8*/\
474 MUX_VAL(CP(GPMC_D9), (IEN | PTD | DIS | M0)) /*GPMC_D9*/\
475 MUX_VAL(CP(GPMC_D10), (IEN | PTD | DIS | M0)) /*GPMC_D10*/\
476 MUX_VAL(CP(GPMC_D11), (IEN | PTD | DIS | M0)) /*GPMC_D11*/\
477 MUX_VAL(CP(GPMC_D12), (IEN | PTD | DIS | M0)) /*GPMC_D12*/\
478 MUX_VAL(CP(GPMC_D13), (IEN | PTD | DIS | M0)) /*GPMC_D13*/\
479 MUX_VAL(CP(GPMC_D14), (IEN | PTD | DIS | M0)) /*GPMC_D14*/\
480 MUX_VAL(CP(GPMC_D15), (IEN | PTD | DIS | M0)) /*GPMC_D15*/\
481 MUX_VAL(CP(GPMC_nCS0), (IDIS | PTU | EN | M0)) /*GPMC_nCS0*/\
482 MUX_VAL(CP(GPMC_nCS1), (IDIS | PTU | EN | M0)) /*GPMC_nCS1*/\
483 MUX_VAL(CP(GPMC_nCS2), (IDIS | PTU | EN | M0)) /*GPMC_nCS2*/\
484 MUX_VAL(CP(GPMC_nCS3), (IDIS | PTU | EN | M0)) /*GPMC_nCS3*/\
485 MUX_VAL(CP(GPMC_nCS4), (IDIS | PTU | EN | M0)) /*GPMC_nCS4*/\
486 MUX_VAL(CP(GPMC_nCS5), (IDIS | PTU | EN | M0)) /*GPMC_nCS5*/\
487 MUX_VAL(CP(GPMC_nCS6), (IDIS | PTU | EN | M0)) /*GPMC_nCS6*/\
488 MUX_VAL(CP(GPMC_nCS7), (IDIS | PTU | EN | M0)) /*GPMC_nCS7*/\
489 MUX_VAL(CP(GPMC_CLK), (IDIS | PTD | DIS | M0)) /*GPMC_CLK*/\
490 MUX_VAL(CP(GPMC_nADV_ALE), (IDIS | PTD | DIS | M0)) /*GPMC_nADV_ALE*/\
491 MUX_VAL(CP(GPMC_nOE), (IDIS | PTD | DIS | M0)) /*GPMC_nOE*/\
492 MUX_VAL(CP(GPMC_nWE), (IDIS | PTD | DIS | M0)) /*GPMC_nWE*/\
493 MUX_VAL(CP(GPMC_nBE0_CLE), (IDIS | PTD | DIS | M0)) /*GPMC_nBE0_CLE*/\
494 MUX_VAL(CP(GPMC_nBE1), (IDIS | PTD | DIS | M4)) /*GPIO_61*/\
495 MUX_VAL(CP(GPMC_nWP), (IEN | PTD | DIS | M0)) /*GPMC_nWP*/\
496 MUX_VAL(CP(GPMC_WAIT0), (IEN | PTU | EN | M0)) /*GPMC_WAIT0*/\
497 MUX_VAL(CP(GPMC_WAIT1), (IEN | PTU | EN | M0)) /*GPMC_WAIT1*/\
498 MUX_VAL(CP(GPMC_WAIT2), (IEN | PTU | EN | M4)) /*GPIO_64*/\
499 MUX_VAL(CP(GPMC_WAIT3), (IEN | PTU | EN | M4)) /*GPIO_65*/\
500 MUX_VAL(CP(DSS_DATA18), (IEN | PTD | DIS | M4)) /*GPIO_88*/\
501 MUX_VAL(CP(DSS_DATA19), (IEN | PTD | DIS | M4)) /*GPIO_89*/\
502 MUX_VAL(CP(DSS_DATA20), (IEN | PTD | DIS | M4)) /*GPIO_90*/\
503 MUX_VAL(CP(DSS_DATA21), (IEN | PTD | DIS | M4)) /*GPIO_91*/\
504 MUX_VAL(CP(CAM_WEN), (IEN | PTD | DIS | M4)) /*GPIO_167*/\
505 MUX_VAL(CP(UART1_TX), (IDIS | PTD | DIS | M0)) /*UART1_TX*/\
506 MUX_VAL(CP(UART1_RTS), (IDIS | PTD | DIS | M0)) /*UART1_RTS*/\
507 MUX_VAL(CP(UART1_CTS), (IEN | PTU | DIS | M0)) /*UART1_CTS*/\
508 MUX_VAL(CP(UART1_RX), (IEN | PTD | DIS | M0)) /*UART1_RX*/\
509 MUX_VAL(CP(McBSP1_DX), (IEN | PTD | DIS | M4)) /*GPIO_158*/\
510 MUX_VAL(CP(SYS_32K), (IEN | PTD | DIS | M0)) /*SYS_32K*/\
511 MUX_VAL(CP(SYS_BOOT0), (IEN | PTD | DIS | M4)) /*GPIO_2 */\
512 MUX_VAL(CP(SYS_BOOT1), (IEN | PTD | DIS | M4)) /*GPIO_3 */\
513 MUX_VAL(CP(SYS_BOOT2), (IEN | PTD | DIS | M4)) /*GPIO_4 */\
514 MUX_VAL(CP(SYS_BOOT3), (IEN | PTD | DIS | M4)) /*GPIO_5 */\
515 MUX_VAL(CP(SYS_BOOT4), (IEN | PTD | DIS | M4)) /*GPIO_6 */\
516 MUX_VAL(CP(SYS_BOOT5), (IEN | PTD | DIS | M4)) /*GPIO_7 */\
517 MUX_VAL(CP(SYS_BOOT6), (IEN | PTD | DIS | M4)) /*GPIO_8 */\
518 MUX_VAL(CP(SYS_CLKOUT2), (IEN | PTU | EN | M4)) /*GPIO_186*/\
519 MUX_VAL(CP(JTAG_nTRST), (IEN | PTD | DIS | M0)) /*JTAG_nTRST*/\
520 MUX_VAL(CP(JTAG_TCK), (IEN | PTD | DIS | M0)) /*JTAG_TCK*/\
521 MUX_VAL(CP(JTAG_TMS), (IEN | PTD | DIS | M0)) /*JTAG_TMS*/\
522 MUX_VAL(CP(JTAG_TDI), (IEN | PTD | DIS | M0)) /*JTAG_TDI*/\
523 MUX_VAL(CP(JTAG_EMU0), (IEN | PTD | DIS | M0)) /*JTAG_EMU0*/\
524 MUX_VAL(CP(JTAG_EMU1), (IEN | PTD | DIS | M0)) /*JTAG_EMU1*/\
525 MUX_VAL(CP(ETK_CLK), (IEN | PTD | DIS | M4)) /*GPIO_12*/\
526 MUX_VAL(CP(ETK_CTL), (IEN | PTD | DIS | M4)) /*GPIO_13*/\
527 MUX_VAL(CP(ETK_D0 ), (IEN | PTD | DIS | M4)) /*GPIO_14*/\
528 MUX_VAL(CP(ETK_D1 ), (IEN | PTD | DIS | M4)) /*GPIO_15*/\
529 MUX_VAL(CP(ETK_D2 ), (IEN | PTD | DIS | M4)) /*GPIO_16*/\
530 MUX_VAL(CP(ETK_D10), (IEN | PTD | DIS | M4)) /*GPIO_24*/\
531 MUX_VAL(CP(ETK_D11), (IEN | PTD | DIS | M4)) /*GPIO_25*/\
532 MUX_VAL(CP(ETK_D12), (IEN | PTD | DIS | M4)) /*GPIO_26*/\
533 MUX_VAL(CP(ETK_D13), (IEN | PTD | DIS | M4)) /*GPIO_27*/\
534 MUX_VAL(CP(ETK_D14), (IEN | PTD | DIS | M4)) /*GPIO_28*/\
535 MUX_VAL(CP(ETK_D15), (IEN | PTD | DIS | M4)) /*GPIO_29*/
537 /**********************************************************
538 * Routine: set_muxconf_regs
539 * Description: Setting up the configuration Mux registers
540 * specific to the hardware. Many pins need
541 * to be moved from protect to primary mode.
542 *********************************************************/
543 void set_muxconf_regs(void)
548 /**********************************************************
549 * Routine: nand+_init
550 * Description: Set up nand for nand and jffs2 commands
551 *********************************************************/
554 /* global settings */
555 __raw_writel(0x10, GPMC_SYSCONFIG); /* smart idle */
556 __raw_writel(0x0, GPMC_IRQENABLE); /* isr's sources masked */
557 __raw_writel(0, GPMC_TIMEOUT_CONTROL);/* timeout disable */
559 __raw_writel(0x001, GPMC_CONFIG); /* set nWP, disable limited addr */
562 /* Set the GPMC Vals . For NAND boot on 3430SDP, NAND is mapped at CS0
563 * , NOR at CS1 and MPDB at CS3. And oneNAND boot, we map oneNAND at CS0.
564 * We configure only GPMC CS0 with required values. Configiring other devices
565 * at other CS in done in u-boot anyway. So we don't have to bother doing it here.
567 __raw_writel(0 , GPMC_CONFIG7 + GPMC_CONFIG_CS0);
571 __raw_writel( SMNAND_GPMC_CONFIG1, GPMC_CONFIG1 + GPMC_CONFIG_CS0);
572 __raw_writel( SMNAND_GPMC_CONFIG2, GPMC_CONFIG2 + GPMC_CONFIG_CS0);
573 __raw_writel( SMNAND_GPMC_CONFIG3, GPMC_CONFIG3 + GPMC_CONFIG_CS0);
574 __raw_writel( SMNAND_GPMC_CONFIG4, GPMC_CONFIG4 + GPMC_CONFIG_CS0);
575 __raw_writel( SMNAND_GPMC_CONFIG5, GPMC_CONFIG5 + GPMC_CONFIG_CS0);
576 __raw_writel( SMNAND_GPMC_CONFIG6, GPMC_CONFIG6 + GPMC_CONFIG_CS0);
578 #else /* CFG_ONENAND */
579 __raw_writel( ONENAND_GPMC_CONFIG1, GPMC_CONFIG1 + GPMC_CONFIG_CS0);
580 __raw_writel( ONENAND_GPMC_CONFIG2, GPMC_CONFIG2 + GPMC_CONFIG_CS0);
581 __raw_writel( ONENAND_GPMC_CONFIG3, GPMC_CONFIG3 + GPMC_CONFIG_CS0);
582 __raw_writel( ONENAND_GPMC_CONFIG4, GPMC_CONFIG4 + GPMC_CONFIG_CS0);
583 __raw_writel( ONENAND_GPMC_CONFIG5, GPMC_CONFIG5 + GPMC_CONFIG_CS0);
584 __raw_writel( ONENAND_GPMC_CONFIG6, GPMC_CONFIG6 + GPMC_CONFIG_CS0);
587 /* Enable the GPMC Mapping */
588 __raw_writel(( ((OMAP34XX_GPMC_CS0_SIZE & 0xF)<<8) |
589 ((OMAP34XX_GPMC_CS0_MAP>>24) & 0x3F) |
590 (1<<6) ), (GPMC_CONFIG7 + GPMC_CONFIG_CS0));
592 #if defined(CFG_NAND)
595 printf("Unsupported Chip!\n");
599 #elif defined(CFG_ONENAND)
602 printf("OneNAND Unsupported !\n");
611 typedef int (mmc_boot_addr) (void);
615 unsigned long offset = CFG_LOADADDR;
618 block_dev_desc_t *dev_desc = NULL;
622 unsigned char ret = 0;
624 printf("Starting X-loader on MMC \n");
628 printf("\n MMC init failed \n");
632 dev_desc = mmc_get_dev(0);
633 fat_register_device(dev_desc, 1);
634 size = file_fat_read("u-boot.bin", (unsigned char *)offset, 0);
638 printf("\n%ld Bytes Read from MMC \n", size);
640 printf("Starting OS Bootloader from MMC...\n");
642 ((mmc_boot_addr *) CFG_LOADADDR) ();
648 /* optionally do something like blinking LED */
649 void board_hang (void)