2 * (C) Copyright 2000-2004
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * Pantelis Antoniou, Intracom S.A., panto@intracom.gr
26 * U-Boot port on NetTA4 board
35 #ifdef CONFIG_HW_WATCHDOG
39 /****************************************************************/
41 /* some sane bit macros */
42 #define _BD(_b) (1U << (31-(_b)))
43 #define _BDR(_l, _h) (((((1U << (31-(_l))) - 1) << 1) | 1) & ~((1U << (31-(_h))) - 1))
45 #define _BW(_b) (1U << (15-(_b)))
46 #define _BWR(_l, _h) (((((1U << (15-(_l))) - 1) << 1) | 1) & ~((1U << (15-(_h))) - 1))
48 #define _BB(_b) (1U << (7-(_b)))
49 #define _BBR(_l, _h) (((((1U << (7-(_l))) - 1) << 1) | 1) & ~((1U << (7-(_h))) - 1))
51 #define _B(_b) _BD(_b)
52 #define _BR(_l, _h) _BDR(_l, _h)
54 /****************************************************************/
57 * Check Board Identity:
64 printf ("Intracom NetPhone\n");
68 /****************************************************************/
70 #define _NOT_USED_ 0xFFFFFFFF
72 /****************************************************************/
74 #define CS_0000 0x00000000
75 #define CS_0001 0x10000000
76 #define CS_0010 0x20000000
77 #define CS_0011 0x30000000
78 #define CS_0100 0x40000000
79 #define CS_0101 0x50000000
80 #define CS_0110 0x60000000
81 #define CS_0111 0x70000000
82 #define CS_1000 0x80000000
83 #define CS_1001 0x90000000
84 #define CS_1010 0xA0000000
85 #define CS_1011 0xB0000000
86 #define CS_1100 0xC0000000
87 #define CS_1101 0xD0000000
88 #define CS_1110 0xE0000000
89 #define CS_1111 0xF0000000
91 #define BS_0000 0x00000000
92 #define BS_0001 0x01000000
93 #define BS_0010 0x02000000
94 #define BS_0011 0x03000000
95 #define BS_0100 0x04000000
96 #define BS_0101 0x05000000
97 #define BS_0110 0x06000000
98 #define BS_0111 0x07000000
99 #define BS_1000 0x08000000
100 #define BS_1001 0x09000000
101 #define BS_1010 0x0A000000
102 #define BS_1011 0x0B000000
103 #define BS_1100 0x0C000000
104 #define BS_1101 0x0D000000
105 #define BS_1110 0x0E000000
106 #define BS_1111 0x0F000000
108 #define A10_AAAA 0x00000000
109 #define A10_AAA0 0x00200000
110 #define A10_AAA1 0x00300000
111 #define A10_000A 0x00800000
112 #define A10_0000 0x00A00000
113 #define A10_0001 0x00B00000
114 #define A10_111A 0x00C00000
115 #define A10_1110 0x00E00000
116 #define A10_1111 0x00F00000
118 #define RAS_0000 0x00000000
119 #define RAS_0001 0x00040000
120 #define RAS_1110 0x00080000
121 #define RAS_1111 0x000C0000
123 #define CAS_0000 0x00000000
124 #define CAS_0001 0x00010000
125 #define CAS_1110 0x00020000
126 #define CAS_1111 0x00030000
128 #define WE_0000 0x00000000
129 #define WE_0001 0x00004000
130 #define WE_1110 0x00008000
131 #define WE_1111 0x0000C000
133 #define GPL4_0000 0x00000000
134 #define GPL4_0001 0x00001000
135 #define GPL4_1110 0x00002000
136 #define GPL4_1111 0x00003000
138 #define GPL5_0000 0x00000000
139 #define GPL5_0001 0x00000400
140 #define GPL5_1110 0x00000800
141 #define GPL5_1111 0x00000C00
142 #define LOOP 0x00000080
144 #define EXEN 0x00000040
146 #define AMX_COL 0x00000000
147 #define AMX_ROW 0x00000020
148 #define AMX_MAR 0x00000030
150 #define NA 0x00000008
152 #define UTA 0x00000004
154 #define TODT 0x00000002
156 #define LAST 0x00000001
158 /* #define CAS_LATENCY 3 */
159 #define CAS_LATENCY 2
161 const uint sdram_table[0x40] = {
165 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
166 CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
167 CS_0000 | BS_1111 | A10_0001 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
168 CS_0001 | BS_0001 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA, /* PALL */
169 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
170 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
171 _NOT_USED_, _NOT_USED_,
174 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
175 CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
176 CS_0001 | BS_1111 | A10_0001 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
177 CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
178 CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
179 CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
180 CS_0001 | BS_0001 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL, /* PALL */
181 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | TODT | LAST, /* NOP */
182 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
183 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
186 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
187 CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
188 CS_0000 | BS_0001 | A10_0000 | RAS_1111 | CAS_0001 | WE_0000 | AMX_COL | UTA, /* WRITE */
189 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA, /* PALL */
190 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
191 _NOT_USED_, _NOT_USED_, _NOT_USED_,
194 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
195 CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
196 CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_0000 | AMX_COL, /* WRITE */
197 CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
198 CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
199 CS_1111 | BS_0001 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
200 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
201 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA, /* PALL */
202 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
203 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
204 _NOT_USED_, _NOT_USED_, _NOT_USED_,
209 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
210 CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1111 | AMX_COL | UTA, /* NOP */
211 CS_0001 | BS_0001 | A10_0000 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
212 CS_1110 | BS_1111 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL, /* NOP */
213 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
215 _NOT_USED_, _NOT_USED_,
218 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
219 CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1111 | AMX_COL | UTA, /* NOP */
220 CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
221 CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
222 CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
223 CS_1111 | BS_0001 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
224 CS_1110 | BS_1111 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL, /* NOP */
225 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
227 _NOT_USED_, _NOT_USED_, _NOT_USED_,
228 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
231 CS_0001 | BS_1111 | A10_AAA0 | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
232 CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1110 | AMX_COL, /* NOP */
233 CS_0000 | BS_0001 | A10_0001 | RAS_1110 | CAS_0001 | WE_0000 | AMX_COL | UTA, /* WRITE */
234 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
236 _NOT_USED_, _NOT_USED_,
240 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
241 CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1110 | AMX_COL, /* NOP */
242 CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_0001 | AMX_COL, /* WRITE */
243 CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
244 CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
245 CS_1110 | BS_0001 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL | UTA, /* NOP */
246 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
248 _NOT_USED_, _NOT_USED_, _NOT_USED_,
249 _NOT_USED_, _NOT_USED_, _NOT_USED_,
250 _NOT_USED_, _NOT_USED_,
255 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_0001 | WE_1111 | AMX_COL | UTA | LOOP, /* ATRFR */
256 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
257 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
258 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
259 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | LOOP, /* NOP */
260 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
261 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
262 _NOT_USED_, _NOT_USED_,
265 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | LAST,
269 CS_1110 | BS_1111 | A10_1110 | RAS_1110 | CAS_1110 | WE_1110 | AMX_MAR | UTA,
270 CS_0001 | BS_1111 | A10_0001 | RAS_0001 | CAS_0001 | WE_0001 | AMX_MAR | UTA | LAST,
273 /* 0xC8 = 0b11001000 , CAS3, >> 2 = 0b00 11 0 010 */
274 /* 0x88 = 0b10001000 , CAS2, >> 2 = 0b00 10 0 010 */
275 #define MAR_SDRAM_INIT ((CAS_LATENCY << 6) | 0x00000008LU)
278 #define CFG_MAMR ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
279 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
280 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
282 void check_ram(unsigned int addr, unsigned int size)
284 unsigned int i, j, v, vv;
285 volatile unsigned int *p;
288 p = (unsigned int *)addr;
289 pv = (unsigned int)p;
290 for (i = 0; i < size / sizeof(unsigned int); i++, pv += sizeof(unsigned int))
293 p = (unsigned int *)addr;
294 for (i = 0; i < size / sizeof(unsigned int); i++) {
298 printf("%p: read %08x instead of %08x\n", p, vv, v);
304 for (j = 0; j < 5; j++) {
306 case 0: v = 0x00000000; break;
307 case 1: v = 0xffffffff; break;
308 case 2: v = 0x55555555; break;
309 case 3: v = 0xaaaaaaaa; break;
310 default:v = 0xdeadbeef; break;
312 p = (unsigned int *)addr;
313 for (i = 0; i < size / sizeof(unsigned int); i++) {
317 printf("%p: read %08x instead of %08x\n", p, vv, v);
326 long int initdram(int board_type)
328 volatile immap_t *immap = (immap_t *) CFG_IMMR;
329 volatile memctl8xx_t *memctl = &immap->im_memctl;
332 upmconfig(UPMB, (uint *) sdram_table, sizeof(sdram_table) / sizeof(uint));
335 * Preliminary prescaler for refresh
337 memctl->memc_mptpr = MPTPR_PTP_DIV8;
339 memctl->memc_mar = MAR_SDRAM_INIT; /* 32-bit address to be output on the address bus if AMX = 0b11 */
342 * Map controller bank 3 to the SDRAM bank at preliminary address.
344 memctl->memc_or3 = CFG_OR3_PRELIM;
345 memctl->memc_br3 = CFG_BR3_PRELIM;
347 memctl->memc_mbmr = CFG_MAMR & ~MAMR_PTAE; /* no refresh yet */
351 /* perform SDRAM initialisation sequence */
352 memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x3C); /* precharge all */
355 memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(2) | MCR_MAD(0x30); /* refresh 2 times(0) */
358 memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x3E); /* exception program (write mar)*/
361 memctl->memc_mbmr |= MAMR_PTAE; /* enable refresh */
369 *(volatile u32 *)0 = d1;
370 d2 = *(volatile u32 *)0;
372 printf("DRAM fails: wrote 0x%08x read 0x%08x\n", d1, d2);
377 *(volatile u32 *)0 = d1;
378 d2 = *(volatile u32 *)0;
380 printf("DRAM fails: wrote 0x%08x read 0x%08x\n", d1, d2);
385 size = get_ram_size((long *)0, SDRAM_MAX_SIZE);
389 check_ram(( 0 << 20), (2 << 20));
390 printf("check 16\n");
391 check_ram((16 << 20), (2 << 20));
392 printf("check 32\n");
393 check_ram((32 << 20), (2 << 20));
394 printf("check 48\n");
395 check_ram((48 << 20), (2 << 20));
399 printf("SIZE is zero: LOOP on 0\n");
401 *(volatile u32 *)0 = 0;
402 (void)*(volatile u32 *)0;
409 /* ------------------------------------------------------------------------- */
411 void reset_phys(void)
417 /* reset the damn phys */
420 for (phyno = 0; phyno < 32; ++phyno) {
421 miiphy_read(phyno, PHY_PHYIDR1, &v);
424 miiphy_write(phyno, PHY_BMCR, PHY_BMCR_POWD);
426 miiphy_write(phyno, PHY_BMCR, PHY_BMCR_RESET | PHY_BMCR_AUTON);
431 /* ------------------------------------------------------------------------- */
433 /* GP = general purpose, SP = special purpose (on chip peripheral) */
435 /* bits that can have a special purpose or can be configured as inputs/outputs */
436 #define PA_GP_INMASK 0
437 #define PA_GP_OUTMASK (_BW(3) | _BW(7) | _BW(10) | _BW(14) | _BW(15))
440 #define PA_GP_OUTVAL (_BW(3) | _BW(14) | _BW(15))
441 #define PA_SP_DIRVAL 0
443 #define PB_GP_INMASK _B(28)
444 #define PB_GP_OUTMASK (_B(19) | _B(23) | _B(26) | _B(27) | _B(29) | _B(30))
445 #define PB_SP_MASK (_BR(22, 25))
447 #define PB_GP_OUTVAL (_B(26) | _B(27) | _B(29) | _B(30))
448 #define PB_SP_DIRVAL 0
450 #define PC_GP_INMASK _BW(12)
451 #define PC_GP_OUTMASK (_BW(10) | _BW(11) | _BW(13) | _BW(15))
455 #define PC_GP_OUTVAL (_BW(10) | _BW(11))
456 #define PC_SP_DIRVAL 0
458 #define PE_GP_INMASK _B(31)
459 #define PE_GP_OUTMASK (_B(17) | _B(18) |_B(20) | _B(24) | _B(27) | _B(28) | _B(29) | _B(30))
462 #define PE_GP_OUTVAL (_B(20) | _B(24) | _B(27) | _B(28))
463 #define PE_SP_DIRVAL 0
465 int board_early_init_f(void)
467 volatile immap_t *immap = (immap_t *) CFG_IMMR;
468 volatile iop8xx_t *ioport = &immap->im_ioport;
469 volatile cpm8xx_t *cpm = &immap->im_cpm;
470 volatile memctl8xx_t *memctl = &immap->im_memctl;
472 /* NAND chip select */
473 memctl->memc_or1 = ((0xFFFFFFFFLU & ~(NAND_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_8_CLK | OR_EHTR | OR_TRLX);
474 memctl->memc_br1 = ((NAND_BASE & BR_BA_MSK) | BR_PS_8 | BR_V);
476 /* DSP chip select */
477 memctl->memc_or2 = ((0xFFFFFFFFLU & ~(DSP_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_ACS_DIV2 | OR_SETA | OR_TRLX);
478 memctl->memc_br2 = ((DSP_BASE & BR_BA_MSK) | BR_PS_16 | BR_V);
480 /* External register chip select */
481 memctl->memc_or4 = ((0xFFFFFFFFLU & ~(ER_SIZE - 1)) | OR_BI | OR_SCY_4_CLK);
482 memctl->memc_br4 = ((ER_BASE & BR_BA_MSK) | BR_PS_32 | BR_V);
484 memctl->memc_br5 &= ~BR_V;
485 memctl->memc_br6 &= ~BR_V;
486 memctl->memc_br7 &= ~BR_V;
488 ioport->iop_padat = PA_GP_OUTVAL;
489 ioport->iop_paodr = PA_ODR_VAL;
490 ioport->iop_padir = PA_GP_OUTMASK | PA_SP_DIRVAL;
491 ioport->iop_papar = PA_SP_MASK;
493 cpm->cp_pbdat = PB_GP_OUTVAL;
494 cpm->cp_pbodr = PB_ODR_VAL;
495 cpm->cp_pbdir = PB_GP_OUTMASK | PB_SP_DIRVAL;
496 cpm->cp_pbpar = PB_SP_MASK;
498 ioport->iop_pcdat = PC_GP_OUTVAL;
499 ioport->iop_pcdir = PC_GP_OUTMASK | PC_SP_DIRVAL;
500 ioport->iop_pcso = PC_SOVAL;
501 ioport->iop_pcint = PC_INTVAL;
502 ioport->iop_pcpar = PC_SP_MASK;
504 cpm->cp_pedat = PE_GP_OUTVAL;
505 cpm->cp_peodr = PE_ODR_VAL;
506 cpm->cp_pedir = PE_GP_OUTMASK | PE_SP_DIRVAL;
507 cpm->cp_pepar = PE_SP_MASK;
512 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
514 #include <linux/mtd/nand.h>
516 extern ulong nand_probe(ulong physadr);
517 extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
521 unsigned long totlen;
523 totlen = nand_probe(CFG_NAND_BASE);
524 printf ("%4lu MB\n", totlen >> 20);
528 #ifdef CONFIG_HW_WATCHDOG
530 void hw_watchdog_reset(void)
532 /* XXX add here the really funky stuff */
537 #ifdef CONFIG_SHOW_ACTIVITY
539 static volatile int left_to_poll = PHONE_CONSOLE_POLL_HZ; /* poll */
541 /* called from timer interrupt every 1/CFG_HZ sec */
542 void board_show_activity(ulong timestamp)
544 if (left_to_poll > -PHONE_CONSOLE_POLL_HZ)
548 extern void phone_console_do_poll(void);
550 static void do_poll(void)
554 while (left_to_poll <= 0) {
555 phone_console_do_poll();
556 base = left_to_poll + PHONE_CONSOLE_POLL_HZ;
559 } while (base != left_to_poll);
563 /* called when looping */
564 void show_activity(int arg)
571 #if defined(CFG_CONSOLE_IS_IN_ENV) && defined(CFG_CONSOLE_OVERWRITE_ROUTINE)
572 int overwrite_console(void)
574 /* printf("overwrite_console called\n"); */
579 extern int drv_phone_init(void);
580 extern int drv_phone_use_me(void);
582 int misc_init_r(void)
584 return drv_phone_init();
587 int last_stage_init(void)
593 /* check in order to enable the local console */
594 left_to_poll = PHONE_CONSOLE_POLL_HZ;
605 if (drv_phone_use_me()) {
606 console_assign(stdin, "phone");
607 console_assign(stdout, "phone");
608 console_assign(stderr, "phone");
609 setenv("bootdelay", "-1");
613 udelay(1000000 / CFG_HZ);
617 left_to_poll = PHONE_CONSOLE_POLL_HZ;