|  | /* | 
|  | * (C) Copyright 2000-2004 | 
|  | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | 
|  | * | 
|  | * See file CREDITS for list of people who contributed to this | 
|  | * project. | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or | 
|  | * modify it under the terms of the GNU General Public License as | 
|  | * published by the Free Software Foundation; either version 2 of | 
|  | * the License, or (at your option) any later version. | 
|  | * | 
|  | * This program is distributed in the hope that it will be useful, | 
|  | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the | 
|  | * GNU General Public License for more details. | 
|  | * | 
|  | * You should have received a copy of the GNU General Public License | 
|  | * along with this program; if not, write to the Free Software | 
|  | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | 
|  | * MA 02111-1307 USA | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * Pantelis Antoniou, Intracom S.A., panto@intracom.gr | 
|  | * U-Boot port on NetTA4 board | 
|  | */ | 
|  |  | 
|  | #include <common.h> | 
|  | #include <miiphy.h> | 
|  |  | 
|  | #include "mpc8xx.h" | 
|  |  | 
|  | #ifdef CONFIG_HW_WATCHDOG | 
|  | #include <watchdog.h> | 
|  | #endif | 
|  |  | 
|  | int fec8xx_miiphy_read(char *devname, unsigned char addr, | 
|  | unsigned char  reg, unsigned short *value); | 
|  | int fec8xx_miiphy_write(char *devname, unsigned char  addr, | 
|  | unsigned char  reg, unsigned short value); | 
|  |  | 
|  | /****************************************************************/ | 
|  |  | 
|  | /* some sane bit macros */ | 
|  | #define _BD(_b)				(1U << (31-(_b))) | 
|  | #define _BDR(_l, _h)			(((((1U << (31-(_l))) - 1) << 1) | 1) & ~((1U << (31-(_h))) - 1)) | 
|  |  | 
|  | #define _BW(_b)				(1U << (15-(_b))) | 
|  | #define _BWR(_l, _h)			(((((1U << (15-(_l))) - 1) << 1) | 1) & ~((1U << (15-(_h))) - 1)) | 
|  |  | 
|  | #define _BB(_b)				(1U << (7-(_b))) | 
|  | #define _BBR(_l, _h)			(((((1U << (7-(_l))) - 1) << 1) | 1) & ~((1U << (7-(_h))) - 1)) | 
|  |  | 
|  | #define _B(_b)				_BD(_b) | 
|  | #define _BR(_l, _h)			_BDR(_l, _h) | 
|  |  | 
|  | /****************************************************************/ | 
|  |  | 
|  | /* | 
|  | * Check Board Identity: | 
|  | * | 
|  | * Return 1 always. | 
|  | */ | 
|  |  | 
|  | int checkboard(void) | 
|  | { | 
|  | printf ("Intracom NETTA" | 
|  | #if defined(CONFIG_NETTA_ISDN) | 
|  | " with ISDN support" | 
|  | #endif | 
|  | #if defined(CONFIG_NETTA_6412) | 
|  | " (DSP:TI6412)" | 
|  | #else | 
|  | " (DSP:TI6711)" | 
|  | #endif | 
|  | "\n" | 
|  | ); | 
|  | return (0); | 
|  | } | 
|  |  | 
|  | /****************************************************************/ | 
|  |  | 
|  | #define _NOT_USED_	0xFFFFFFFF | 
|  |  | 
|  | /****************************************************************/ | 
|  |  | 
|  | #define CS_0000		0x00000000 | 
|  | #define CS_0001		0x10000000 | 
|  | #define CS_0010		0x20000000 | 
|  | #define CS_0011		0x30000000 | 
|  | #define CS_0100		0x40000000 | 
|  | #define CS_0101		0x50000000 | 
|  | #define CS_0110		0x60000000 | 
|  | #define CS_0111		0x70000000 | 
|  | #define CS_1000		0x80000000 | 
|  | #define CS_1001		0x90000000 | 
|  | #define CS_1010		0xA0000000 | 
|  | #define CS_1011		0xB0000000 | 
|  | #define CS_1100		0xC0000000 | 
|  | #define CS_1101		0xD0000000 | 
|  | #define CS_1110		0xE0000000 | 
|  | #define CS_1111		0xF0000000 | 
|  |  | 
|  | #define BS_0000		0x00000000 | 
|  | #define BS_0001		0x01000000 | 
|  | #define BS_0010		0x02000000 | 
|  | #define BS_0011		0x03000000 | 
|  | #define BS_0100		0x04000000 | 
|  | #define BS_0101		0x05000000 | 
|  | #define BS_0110		0x06000000 | 
|  | #define BS_0111		0x07000000 | 
|  | #define BS_1000		0x08000000 | 
|  | #define BS_1001		0x09000000 | 
|  | #define BS_1010		0x0A000000 | 
|  | #define BS_1011		0x0B000000 | 
|  | #define BS_1100		0x0C000000 | 
|  | #define BS_1101		0x0D000000 | 
|  | #define BS_1110		0x0E000000 | 
|  | #define BS_1111		0x0F000000 | 
|  |  | 
|  | #define A10_AAAA	0x00000000 | 
|  | #define A10_AAA0	0x00200000 | 
|  | #define A10_AAA1	0x00300000 | 
|  | #define A10_000A	0x00800000 | 
|  | #define A10_0000	0x00A00000 | 
|  | #define A10_0001	0x00B00000 | 
|  | #define A10_111A	0x00C00000 | 
|  | #define A10_1110	0x00E00000 | 
|  | #define A10_1111	0x00F00000 | 
|  |  | 
|  | #define RAS_0000	0x00000000 | 
|  | #define RAS_0001	0x00040000 | 
|  | #define RAS_1110	0x00080000 | 
|  | #define RAS_1111	0x000C0000 | 
|  |  | 
|  | #define CAS_0000	0x00000000 | 
|  | #define CAS_0001	0x00010000 | 
|  | #define CAS_1110	0x00020000 | 
|  | #define CAS_1111	0x00030000 | 
|  |  | 
|  | #define WE_0000		0x00000000 | 
|  | #define WE_0001		0x00004000 | 
|  | #define WE_1110		0x00008000 | 
|  | #define WE_1111		0x0000C000 | 
|  |  | 
|  | #define GPL4_0000	0x00000000 | 
|  | #define GPL4_0001	0x00001000 | 
|  | #define GPL4_1110	0x00002000 | 
|  | #define GPL4_1111	0x00003000 | 
|  |  | 
|  | #define GPL5_0000	0x00000000 | 
|  | #define GPL5_0001	0x00000400 | 
|  | #define GPL5_1110	0x00000800 | 
|  | #define GPL5_1111	0x00000C00 | 
|  | #define LOOP		0x00000080 | 
|  |  | 
|  | #define EXEN		0x00000040 | 
|  |  | 
|  | #define AMX_COL		0x00000000 | 
|  | #define AMX_ROW		0x00000020 | 
|  | #define AMX_MAR		0x00000030 | 
|  |  | 
|  | #define NA		0x00000008 | 
|  |  | 
|  | #define UTA		0x00000004 | 
|  |  | 
|  | #define TODT		0x00000002 | 
|  |  | 
|  | #define LAST		0x00000001 | 
|  |  | 
|  | /* #define CAS_LATENCY	3 */ | 
|  | #define CAS_LATENCY	2 | 
|  |  | 
|  | const uint sdram_table[0x40] = { | 
|  |  | 
|  | #if CAS_LATENCY == 3 | 
|  | /* RSS */ | 
|  | CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* ACT   */ | 
|  | CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* NOP   */ | 
|  | CS_0000 | BS_1111 | A10_0001 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA,			/* READ  */ | 
|  | CS_0001 | BS_0001 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA,			/* PALL  */ | 
|  | CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,				/* NOP   */ | 
|  | CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST,	/* NOP   */ | 
|  | _NOT_USED_, _NOT_USED_, | 
|  |  | 
|  | /* RBS */ | 
|  | CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* ACT   */ | 
|  | CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* NOP   */ | 
|  | CS_0001 | BS_1111 | A10_0001 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA,			/* READ  */ | 
|  | CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* NOP   */ | 
|  | CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,				/* NOP	 */ | 
|  | CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,				/* NOP	 */ | 
|  | CS_0001 | BS_0001 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL,				/* PALL  */ | 
|  | CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | TODT | LAST,		/* NOP	 */ | 
|  | _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, | 
|  | _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, | 
|  |  | 
|  | /* WSS */ | 
|  | CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* ACT   */ | 
|  | CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,				/* NOP	 */ | 
|  | CS_0000 | BS_0001 | A10_0000 | RAS_1111 | CAS_0001 | WE_0000 | AMX_COL | UTA,			/* WRITE */ | 
|  | CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA,			/* PALL  */ | 
|  | CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST,	/* NOP   */ | 
|  | _NOT_USED_, _NOT_USED_, _NOT_USED_, | 
|  |  | 
|  | /* WBS */ | 
|  | CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* ACT   */ | 
|  | CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,				/* NOP   */ | 
|  | CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_0000 | AMX_COL,				/* WRITE */ | 
|  | CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,				/* NOP   */ | 
|  | CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,				/* NOP   */ | 
|  | CS_1111 | BS_0001 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* NOP   */ | 
|  | CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* NOP   */ | 
|  | CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA,			/* PALL  */ | 
|  | CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST,	/* NOP   */ | 
|  | _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, | 
|  | _NOT_USED_, _NOT_USED_, _NOT_USED_, | 
|  | #endif | 
|  |  | 
|  | #if CAS_LATENCY == 2 | 
|  | /* RSS */ | 
|  | CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* ACT   */ | 
|  | CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1111 | AMX_COL | UTA,			/* NOP   */ | 
|  | CS_0001 | BS_0001 | A10_0000 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA,			/* READ  */ | 
|  | CS_1110 | BS_1111 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL,				/* NOP   */ | 
|  | CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST,	/* PALL  */ | 
|  | _NOT_USED_, | 
|  | _NOT_USED_, _NOT_USED_, | 
|  |  | 
|  | /* RBS */ | 
|  | CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* ACT   */ | 
|  | CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1111 | AMX_COL | UTA,			/* NOP   */ | 
|  | CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA,			/* READ  */ | 
|  | CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,				/* NOP   */ | 
|  | CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,				/* NOP   */ | 
|  | CS_1111 | BS_0001 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,				/* NOP   */ | 
|  | CS_1110 | BS_1111 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL,				/* NOP   */ | 
|  | CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST,	/* PALL  */ | 
|  | _NOT_USED_, | 
|  | _NOT_USED_, _NOT_USED_, _NOT_USED_, | 
|  | _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, | 
|  |  | 
|  | /* WSS */ | 
|  | CS_0001 | BS_1111 | A10_AAA0 | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* ACT   */ | 
|  | CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1110 | AMX_COL,				/* NOP   */ | 
|  | CS_0000 | BS_0001 | A10_0001 | RAS_1110 | CAS_0001 | WE_0000 | AMX_COL | UTA,			/* WRITE */ | 
|  | CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST,	/* PALL  */ | 
|  | _NOT_USED_, | 
|  | _NOT_USED_, _NOT_USED_, | 
|  | _NOT_USED_, | 
|  |  | 
|  | /* WBS */ | 
|  | CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* ACT   */ | 
|  | CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1110 | AMX_COL,				/* NOP   */ | 
|  | CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_0001 | AMX_COL,				/* WRITE */ | 
|  | CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,				/* NOP   */ | 
|  | CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL,				/* NOP   */ | 
|  | CS_1110 | BS_0001 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL | UTA,			/* NOP   */ | 
|  | CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST,	/* PALL  */ | 
|  | _NOT_USED_, | 
|  | _NOT_USED_, _NOT_USED_, _NOT_USED_, | 
|  | _NOT_USED_, _NOT_USED_, _NOT_USED_, | 
|  | _NOT_USED_, _NOT_USED_, | 
|  |  | 
|  | #endif | 
|  |  | 
|  | /* UPT */ | 
|  | CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_0001 | WE_1111 | AMX_COL | UTA | LOOP,		/* ATRFR */ | 
|  | CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* NOP   */ | 
|  | CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* NOP   */ | 
|  | CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA,			/* NOP   */ | 
|  | CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | LOOP,		/* NOP   */ | 
|  | CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST,	/* NOP   */ | 
|  | _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, | 
|  | _NOT_USED_, _NOT_USED_, | 
|  |  | 
|  | /* EXC */ | 
|  | CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | LAST, | 
|  | _NOT_USED_, | 
|  |  | 
|  | /* REG */ | 
|  | CS_1110 | BS_1111 | A10_1110 | RAS_1110 | CAS_1110 | WE_1110 | AMX_MAR | UTA, | 
|  | CS_0001 | BS_1111 | A10_0001 | RAS_0001 | CAS_0001 | WE_0001 | AMX_MAR | UTA | LAST, | 
|  | }; | 
|  |  | 
|  | /* 0xC8 = 0b11001000 , CAS3, >> 2 = 0b00 11 0 010 */ | 
|  | /* 0x88 = 0b10001000 , CAS2, >> 2 = 0b00 10 0 010 */ | 
|  | #define MAR_SDRAM_INIT		((CAS_LATENCY << 6) | 0x00000008LU) | 
|  |  | 
|  | /* 8 */ | 
|  | #define CONFIG_SYS_MAMR	((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\ | 
|  | MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 |	\ | 
|  | MAMR_RLFA_1X	 | MAMR_WLFA_1X	   | MAMR_TLFA_4X) | 
|  |  | 
|  | void check_ram(unsigned int addr, unsigned int size) | 
|  | { | 
|  | unsigned int i, j, v, vv; | 
|  | volatile unsigned int *p; | 
|  | unsigned int pv; | 
|  |  | 
|  | p = (unsigned int *)addr; | 
|  | pv = (unsigned int)p; | 
|  | for (i = 0; i < size / sizeof(unsigned int); i++, pv += sizeof(unsigned int)) | 
|  | *p++ = pv; | 
|  |  | 
|  | p = (unsigned int *)addr; | 
|  | for (i = 0; i < size / sizeof(unsigned int); i++) { | 
|  | v = (unsigned int)p; | 
|  | vv = *p; | 
|  | if (vv != v) { | 
|  | printf("%p: read %08x instead of %08x\n", p, vv, v); | 
|  | hang(); | 
|  | } | 
|  | p++; | 
|  | } | 
|  |  | 
|  | for (j = 0; j < 5; j++) { | 
|  | switch (j) { | 
|  | case 0: v = 0x00000000; break; | 
|  | case 1: v = 0xffffffff; break; | 
|  | case 2: v = 0x55555555; break; | 
|  | case 3: v = 0xaaaaaaaa; break; | 
|  | default:v = 0xdeadbeef; break; | 
|  | } | 
|  | p = (unsigned int *)addr; | 
|  | for (i = 0; i < size / sizeof(unsigned int); i++) { | 
|  | *p = v; | 
|  | vv = *p; | 
|  | if (vv != v) { | 
|  | printf("%p: read %08x instead of %08x\n", p, vv, v); | 
|  | hang(); | 
|  | } | 
|  | *p = ~v; | 
|  | p++; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | phys_size_t initdram(int board_type) | 
|  | { | 
|  | volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; | 
|  | volatile memctl8xx_t *memctl = &immap->im_memctl; | 
|  | long int size; | 
|  |  | 
|  | upmconfig(UPMB, (uint *) sdram_table, sizeof(sdram_table) / sizeof(uint)); | 
|  |  | 
|  | /* | 
|  | * Preliminary prescaler for refresh | 
|  | */ | 
|  | memctl->memc_mptpr = MPTPR_PTP_DIV8; | 
|  |  | 
|  | memctl->memc_mar = MAR_SDRAM_INIT;	/* 32-bit address to be output on the address bus if AMX = 0b11 */ | 
|  |  | 
|  | /* | 
|  | * Map controller bank 3 to the SDRAM bank at preliminary address. | 
|  | */ | 
|  | memctl->memc_or3 = CONFIG_SYS_OR3_PRELIM; | 
|  | memctl->memc_br3 = CONFIG_SYS_BR3_PRELIM; | 
|  |  | 
|  | memctl->memc_mbmr = CONFIG_SYS_MAMR & ~MAMR_PTAE;	/* no refresh yet */ | 
|  |  | 
|  | udelay(200); | 
|  |  | 
|  | /* perform SDRAM initialisation sequence */ | 
|  | memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x3C);	/* precharge all		*/ | 
|  | udelay(1); | 
|  |  | 
|  | memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(2) | MCR_MAD(0x30);	/* refresh 2 times(0)		*/ | 
|  | udelay(1); | 
|  |  | 
|  | memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x3E);	/* exception program (write mar)*/ | 
|  | udelay(1); | 
|  |  | 
|  | memctl->memc_mbmr |= MAMR_PTAE;	/* enable refresh */ | 
|  |  | 
|  | udelay(10000); | 
|  |  | 
|  | { | 
|  | u32 d1, d2; | 
|  |  | 
|  | d1 = 0xAA55AA55; | 
|  | *(volatile u32 *)0 = d1; | 
|  | d2 = *(volatile u32 *)0; | 
|  | if (d1 != d2) { | 
|  | printf("DRAM fails: wrote 0x%08x read 0x%08x\n", d1, d2); | 
|  | hang(); | 
|  | } | 
|  |  | 
|  | d1 = 0x55AA55AA; | 
|  | *(volatile u32 *)0 = d1; | 
|  | d2 = *(volatile u32 *)0; | 
|  | if (d1 != d2) { | 
|  | printf("DRAM fails: wrote 0x%08x read 0x%08x\n", d1, d2); | 
|  | hang(); | 
|  | } | 
|  | } | 
|  |  | 
|  | size = get_ram_size((long *)0, SDRAM_MAX_SIZE); | 
|  |  | 
|  | #if 0 | 
|  | printf("check 0\n"); | 
|  | check_ram(( 0 << 20), (2 << 20)); | 
|  | printf("check 16\n"); | 
|  | check_ram((16 << 20), (2 << 20)); | 
|  | printf("check 32\n"); | 
|  | check_ram((32 << 20), (2 << 20)); | 
|  | printf("check 48\n"); | 
|  | check_ram((48 << 20), (2 << 20)); | 
|  | #endif | 
|  |  | 
|  | if (size == 0) { | 
|  | printf("SIZE is zero: LOOP on 0\n"); | 
|  | for (;;) { | 
|  | *(volatile u32 *)0 = 0; | 
|  | (void)*(volatile u32 *)0; | 
|  | } | 
|  | } | 
|  |  | 
|  | return size; | 
|  | } | 
|  |  | 
|  | /* ------------------------------------------------------------------------- */ | 
|  |  | 
|  | int misc_init_r(void) | 
|  | { | 
|  | return(0); | 
|  | } | 
|  |  | 
|  | void reset_phys(void) | 
|  | { | 
|  | int phyno; | 
|  | unsigned short v; | 
|  |  | 
|  | /* reset the damn phys */ | 
|  | mii_init(); | 
|  |  | 
|  | for (phyno = 0; phyno < 32; ++phyno) { | 
|  | fec8xx_miiphy_read(NULL, phyno, PHY_PHYIDR1, &v); | 
|  | if (v == 0xFFFF) | 
|  | continue; | 
|  | fec8xx_miiphy_write(NULL, phyno, PHY_BMCR, PHY_BMCR_POWD); | 
|  | udelay(10000); | 
|  | fec8xx_miiphy_write(NULL, phyno, PHY_BMCR, | 
|  | PHY_BMCR_RESET | PHY_BMCR_AUTON); | 
|  | udelay(10000); | 
|  | } | 
|  | } | 
|  |  | 
|  | extern int board_dsp_reset(void); | 
|  |  | 
|  | int last_stage_init(void) | 
|  | { | 
|  | int r; | 
|  |  | 
|  | reset_phys(); | 
|  | r = board_dsp_reset(); | 
|  | if (r < 0) | 
|  | printf("*** WARNING *** DSP reset failed (run diagnostics)\n"); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* ------------------------------------------------------------------------- */ | 
|  |  | 
|  | /* GP = general purpose, SP = special purpose (on chip peripheral) */ | 
|  |  | 
|  | /* bits that can have a special purpose or can be configured as inputs/outputs */ | 
|  | #define PA_GP_INMASK	(_BWR(3) | _BWR(7, 9) | _BW(11)) | 
|  | #define PA_GP_OUTMASK	(_BW(6) | _BW(10) | _BWR(12, 15)) | 
|  | #define PA_SP_MASK	(_BWR(0, 2) | _BWR(4, 5)) | 
|  | #define PA_ODR_VAL	0 | 
|  | #define PA_GP_OUTVAL	(_BW(13) | _BWR(14, 15)) | 
|  | #define PA_SP_DIRVAL	0 | 
|  |  | 
|  | #define PB_GP_INMASK	(_B(28) | _B(31)) | 
|  | #define PB_GP_OUTMASK	(_BR(15, 19) | _BR(26, 27) | _BR(29, 30)) | 
|  | #define PB_SP_MASK	(_BR(22, 25)) | 
|  | #define PB_ODR_VAL	0 | 
|  | #define PB_GP_OUTVAL	(_BR(15, 19) | _BR(26, 27) | _BR(29, 31)) | 
|  | #define PB_SP_DIRVAL	0 | 
|  |  | 
|  | #define PC_GP_INMASK	(_BW(5) | _BW(7) | _BW(8) | _BWR(9, 11) | _BWR(13, 15)) | 
|  | #define PC_GP_OUTMASK	(_BW(6) | _BW(12)) | 
|  | #define PC_SP_MASK	(_BW(4) | _BW(8)) | 
|  | #define PC_SOVAL	0 | 
|  | #define PC_INTVAL	_BW(7) | 
|  | #define PC_GP_OUTVAL	(_BW(6) | _BW(12)) | 
|  | #define PC_SP_DIRVAL	0 | 
|  |  | 
|  | #define PD_GP_INMASK	0 | 
|  | #define PD_GP_OUTMASK	_BWR(3, 15) | 
|  | #define PD_SP_MASK	0 | 
|  |  | 
|  | #if defined(CONFIG_NETTA_6412) | 
|  |  | 
|  | #define PD_GP_OUTVAL	(_BWR(5, 7) | _BW(9) | _BW(11) | _BW(15)) | 
|  |  | 
|  | #else | 
|  |  | 
|  | #define PD_GP_OUTVAL	(_BWR(5, 7) | _BW(9) | _BW(11)) | 
|  |  | 
|  | #endif | 
|  |  | 
|  | #define PD_SP_DIRVAL	0 | 
|  |  | 
|  | int board_early_init_f(void) | 
|  | { | 
|  | volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; | 
|  | volatile iop8xx_t *ioport = &immap->im_ioport; | 
|  | volatile cpm8xx_t *cpm = &immap->im_cpm; | 
|  | volatile memctl8xx_t *memctl = &immap->im_memctl; | 
|  |  | 
|  | /* CS1: NAND chip select */ | 
|  | memctl->memc_or1 = ((0xFFFFFFFFLU & ~(NAND_SIZE - 1)) | OR_BI | OR_SCY_2_CLK | OR_TRLX | OR_ACS_DIV2) ; | 
|  | memctl->memc_br1 = ((NAND_BASE & BR_BA_MSK) | BR_PS_8 | BR_V); | 
|  | #if !defined(CONFIG_NETTA_6412) | 
|  | /* CS2: DSP */ | 
|  | memctl->memc_or2 = ((0xFFFFFFFFLU & ~(DSP_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_7_CLK | OR_ACS_DIV2); | 
|  | memctl->memc_br2 = ((DSP_BASE & BR_BA_MSK) | BR_PS_16 | BR_V); | 
|  | #else | 
|  | /* CS6: DSP */ | 
|  | memctl->memc_or6 = ((0xFFFFFFFFLU & ~(DSP_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_7_CLK | OR_ACS_DIV2); | 
|  | memctl->memc_br6 = ((DSP_BASE & BR_BA_MSK) | BR_PS_16 | BR_V); | 
|  | #endif | 
|  | /* CS4: External register chip select */ | 
|  | memctl->memc_or4 = ((0xFFFFFFFFLU & ~(ER_SIZE - 1)) | OR_BI | OR_SCY_4_CLK); | 
|  | memctl->memc_br4 = ((ER_BASE & BR_BA_MSK) | BR_PS_32 | BR_V); | 
|  |  | 
|  | /* CS5: dummy for accurate delay */ | 
|  | memctl->memc_or5 = ((0xFFFFFFFFLU & ~(DUMMY_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_0_CLK | OR_ACS_DIV2); | 
|  | memctl->memc_br5 = ((DUMMY_BASE & BR_BA_MSK) | BR_PS_32 | BR_V); | 
|  |  | 
|  | ioport->iop_padat	= PA_GP_OUTVAL; | 
|  | ioport->iop_paodr	= PA_ODR_VAL; | 
|  | ioport->iop_padir	= PA_GP_OUTMASK | PA_SP_DIRVAL; | 
|  | ioport->iop_papar	= PA_SP_MASK; | 
|  |  | 
|  | cpm->cp_pbdat		= PB_GP_OUTVAL; | 
|  | cpm->cp_pbodr		= PB_ODR_VAL; | 
|  | cpm->cp_pbdir		= PB_GP_OUTMASK | PB_SP_DIRVAL; | 
|  | cpm->cp_pbpar		= PB_SP_MASK; | 
|  |  | 
|  | ioport->iop_pcdat	= PC_GP_OUTVAL; | 
|  | ioport->iop_pcdir	= PC_GP_OUTMASK | PC_SP_DIRVAL; | 
|  | ioport->iop_pcso	= PC_SOVAL; | 
|  | ioport->iop_pcint	= PC_INTVAL; | 
|  | ioport->iop_pcpar	= PC_SP_MASK; | 
|  |  | 
|  | ioport->iop_pddat	= PD_GP_OUTVAL; | 
|  | ioport->iop_pddir	= PD_GP_OUTMASK | PD_SP_DIRVAL; | 
|  | ioport->iop_pdpar	= PD_SP_MASK; | 
|  |  | 
|  | /* ioport->iop_pddat |=  (1 << (15 - 6)) | (1 << (15 - 7)); */ | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | #if defined(CONFIG_CMD_NAND) && defined(CONFIG_NAND_LEGACY) | 
|  |  | 
|  | #include <linux/mtd/nand_legacy.h> | 
|  |  | 
|  | extern ulong nand_probe(ulong physadr); | 
|  | extern struct nand_chip nand_dev_desc[CONFIG_SYS_MAX_NAND_DEVICE]; | 
|  |  | 
|  | void nand_init(void) | 
|  | { | 
|  | unsigned long totlen = nand_probe(CONFIG_SYS_NAND_BASE); | 
|  |  | 
|  | printf ("%4lu MB\n", totlen >> 20); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #if defined(CONFIG_CMD_PCMCIA) | 
|  |  | 
|  | int pcmcia_init(void) | 
|  | { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | #endif | 
|  |  | 
|  | #ifdef CONFIG_POST | 
|  | /* | 
|  | * Returns 1 if keys pressed to start the power-on long-running tests | 
|  | * Called from board_init_f(). | 
|  | */ | 
|  | int post_hotkeys_pressed(void) | 
|  | { | 
|  | return 0;	/* No hotkeys supported */ | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #ifdef CONFIG_HW_WATCHDOG | 
|  |  | 
|  | void hw_watchdog_reset(void) | 
|  | { | 
|  | /* XXX add here the really funky stuff */ | 
|  | } | 
|  |  | 
|  | #endif |