/* * (C) Copyright 2000-2004 * Pantelis Antoniou, Intracom S.A., panto@intracom.gr * 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 <sed156x.h> #include <status_led.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 NetPhone V%d\n", CONFIG_NETPHONE_VERSION); 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 GPL0_AAAA 0x00000000 #define GPL0_AAA0 0x00200000 #define GPL0_AAA1 0x00300000 #define GPL0_000A 0x00800000 #define GPL0_0000 0x00A00000 #define GPL0_0001 0x00B00000 #define GPL0_111A 0x00C00000 #define GPL0_1110 0x00E00000 #define GPL0_1111 0x00F00000 #define GPL1_0000 0x00000000 #define GPL1_0001 0x00040000 #define GPL1_1110 0x00080000 #define GPL1_1111 0x000C0000 #define GPL2_0000 0x00000000 #define GPL2_0001 0x00010000 #define GPL2_1110 0x00020000 #define GPL2_1111 0x00030000 #define GPL3_0000 0x00000000 #define GPL3_0001 0x00004000 #define GPL3_1110 0x00008000 #define GPL3_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 A10_AAAA GPL0_AAAA #define A10_AAA0 GPL0_AAA0 #define A10_AAA1 GPL0_AAA1 #define A10_000A GPL0_000A #define A10_0000 GPL0_0000 #define A10_0001 GPL0_0001 #define A10_111A GPL0_111A #define A10_1110 GPL0_1110 #define A10_1111 GPL0_1111 #define RAS_0000 GPL1_0000 #define RAS_0001 GPL1_0001 #define RAS_1110 GPL1_1110 #define RAS_1111 GPL1_1111 #define CAS_0000 GPL2_0000 #define CAS_0001 GPL2_0001 #define CAS_1110 GPL2_1110 #define CAS_1111 GPL2_1111 #define WE_0000 GPL3_0000 #define WE_0001 GPL3_0001 #define WE_1110 GPL3_1110 #define WE_1111 GPL3_1111 /* #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, }; #if CONFIG_NETPHONE_VERSION == 2 static const uint nandcs_table[0x40] = { /* RSS */ CS_1000 | GPL4_1111 | GPL5_1111 | UTA, CS_0000 | GPL4_1110 | GPL5_1111 | UTA, CS_0000 | GPL4_0000 | GPL5_1111 | UTA, CS_0000 | GPL4_0000 | GPL5_1111 | UTA, CS_0000 | GPL4_0000 | GPL5_1111, CS_0000 | GPL4_0001 | GPL5_1111 | UTA, CS_0000 | GPL4_1111 | GPL5_1111 | UTA, CS_0011 | GPL4_1111 | GPL5_1111 | UTA | LAST, /* NOP */ /* RBS */ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, /* WSS */ CS_1000 | GPL4_1111 | GPL5_1110 | UTA, CS_0000 | GPL4_1111 | GPL5_0000 | UTA, CS_0000 | GPL4_1111 | GPL5_0000 | UTA, CS_0000 | GPL4_1111 | GPL5_0000 | UTA, CS_0000 | GPL4_1111 | GPL5_0001 | UTA, CS_0000 | GPL4_1111 | GPL5_1111 | UTA, CS_0000 | GPL4_1111 | GPL5_1111, CS_0011 | GPL4_1111 | GPL5_1111 | UTA | LAST, /* WBS */ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, /* UPT */ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, /* EXC */ CS_0001 | LAST, _NOT_USED_, /* REG */ CS_1110 , CS_0001 | LAST, }; #endif /* 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 CFG_MAMR ((CFG_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++; } } } long int initdram(int board_type) { volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile memctl8xx_t *memctl = &immap->im_memctl; long int size; upmconfig(UPMB, (uint *) sdram_table, sizeof(sdram_table) / sizeof(sdram_table[0])); /* * 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 = CFG_OR3_PRELIM; memctl->memc_br3 = CFG_BR3_PRELIM; memctl->memc_mbmr = CFG_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 (size == 0) { printf("SIZE is zero: LOOP on 0\n"); for (;;) { *(volatile u32 *)0 = 0; (void)*(volatile u32 *)0; } } return size; } /* ------------------------------------------------------------------------- */ void reset_phys(void) { int phyno; unsigned short v; udelay(10000); /* 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); } } /* ------------------------------------------------------------------------- */ /* 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 0 #define PA_GP_OUTMASK (_BW(3) | _BW(7) | _BW(10) | _BW(14) | _BW(15)) #define PA_SP_MASK 0 #define PA_ODR_VAL 0 #define PA_GP_OUTVAL (_BW(3) | _BW(14) | _BW(15)) #define PA_SP_DIRVAL 0 #define PB_GP_INMASK _B(28) #define PB_GP_OUTMASK (_B(19) | _B(23) | _B(26) | _B(27) | _B(29) | _B(30)) #define PB_SP_MASK (_BR(22, 25)) #define PB_ODR_VAL 0 #define PB_GP_OUTVAL (_B(26) | _B(27) | _B(29) | _B(30)) #define PB_SP_DIRVAL 0 #if CONFIG_NETPHONE_VERSION == 1 #define PC_GP_INMASK _BW(12) #define PC_GP_OUTMASK (_BW(10) | _BW(11) | _BW(13) | _BW(15)) #elif CONFIG_NETPHONE_VERSION == 2 #define PC_GP_INMASK (_BW(13) | _BW(15)) #define PC_GP_OUTMASK (_BW(10) | _BW(11) | _BW(12)) #endif #define PC_SP_MASK 0 #define PC_SOVAL 0 #define PC_INTVAL 0 #define PC_GP_OUTVAL (_BW(10) | _BW(11)) #define PC_SP_DIRVAL 0 #if CONFIG_NETPHONE_VERSION == 1 #define PE_GP_INMASK _B(31) #define PE_GP_OUTMASK (_B(17) | _B(18) |_B(20) | _B(24) | _B(27) | _B(28) | _B(29) | _B(30)) #define PE_GP_OUTVAL (_B(20) | _B(24) | _B(27) | _B(28)) #elif CONFIG_NETPHONE_VERSION == 2 #define PE_GP_INMASK _BR(28, 31) #define PE_GP_OUTMASK (_B(17) | _B(18) |_B(20) | _B(24) | _B(27)) #define PE_GP_OUTVAL (_B(20) | _B(24) | _B(27)) #endif #define PE_SP_MASK 0 #define PE_ODR_VAL 0 #define PE_SP_DIRVAL 0 int board_early_init_f(void) { volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile iop8xx_t *ioport = &immap->im_ioport; volatile cpm8xx_t *cpm = &immap->im_cpm; volatile memctl8xx_t *memctl = &immap->im_memctl; /* NAND chip select */ #if CONFIG_NETPHONE_VERSION == 1 memctl->memc_or1 = ((0xFFFFFFFFLU & ~(NAND_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_8_CLK | OR_EHTR | OR_TRLX); memctl->memc_br1 = ((NAND_BASE & BR_BA_MSK) | BR_PS_8 | BR_V); #elif CONFIG_NETPHONE_VERSION == 2 upmconfig(UPMA, (uint *) nandcs_table, sizeof(nandcs_table) / sizeof(nandcs_table[0])); memctl->memc_or1 = ((0xFFFFFFFFLU & ~(NAND_SIZE - 1)) | OR_BI | OR_G5LS); memctl->memc_br1 = ((NAND_BASE & BR_BA_MSK) | BR_PS_8 | BR_V | BR_MS_UPMA); memctl->memc_mamr = 0; /* all clear */ #endif /* DSP chip select */ memctl->memc_or2 = ((0xFFFFFFFFLU & ~(DSP_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_ACS_DIV2 | OR_SETA | OR_TRLX); memctl->memc_br2 = ((DSP_BASE & BR_BA_MSK) | BR_PS_16 | BR_V); #if CONFIG_NETPHONE_VERSION == 1 memctl->memc_br4 &= ~BR_V; #endif memctl->memc_br5 &= ~BR_V; memctl->memc_br6 &= ~BR_V; memctl->memc_br7 &= ~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; cpm->cp_pedat = PE_GP_OUTVAL; cpm->cp_peodr = PE_ODR_VAL; cpm->cp_pedir = PE_GP_OUTMASK | PE_SP_DIRVAL; cpm->cp_pepar = PE_SP_MASK; return 0; } #if (CONFIG_COMMANDS & CFG_CMD_NAND) #include <linux/mtd/nand_legacy.h> extern ulong nand_probe(ulong physadr); extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; void nand_init(void) { unsigned long totlen; totlen = nand_probe(CFG_NAND_BASE); printf ("%4lu MB\n", totlen >> 20); } #endif #ifdef CONFIG_HW_WATCHDOG void hw_watchdog_reset(void) { /* XXX add here the really funky stuff */ } #endif #ifdef CONFIG_SHOW_ACTIVITY static volatile int left_to_poll = PHONE_CONSOLE_POLL_HZ; /* poll */ /* called from timer interrupt every 1/CFG_HZ sec */ void board_show_activity(ulong timestamp) { if (left_to_poll > -PHONE_CONSOLE_POLL_HZ) --left_to_poll; } extern void phone_console_do_poll(void); static void do_poll(void) { unsigned int base; while (left_to_poll <= 0) { phone_console_do_poll(); base = left_to_poll + PHONE_CONSOLE_POLL_HZ; do { left_to_poll = base; } while (base != left_to_poll); } } /* called when looping */ void show_activity(int arg) { do_poll(); } #endif #if defined(CFG_CONSOLE_IS_IN_ENV) && defined(CFG_CONSOLE_OVERWRITE_ROUTINE) int overwrite_console(void) { /* printf("overwrite_console called\n"); */ return 0; } #endif extern int drv_phone_init(void); extern int drv_phone_use_me(void); extern int drv_phone_is_idle(void); int misc_init_r(void) { return drv_phone_init(); } int last_stage_init(void) { int i; #if CONFIG_NETPHONE_VERSION == 2 /* assert peripheral reset */ ((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat &= ~_BW(12); for (i = 0; i < 10; i++) udelay(1000); ((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat |= _BW(12); #endif reset_phys(); /* check in order to enable the local console */ left_to_poll = PHONE_CONSOLE_POLL_HZ; i = CFG_HZ * 2; while (i > 0) { if (tstc()) { getc(); break; } do_poll(); if (drv_phone_use_me()) { status_led_set(0, STATUS_LED_ON); while (!drv_phone_is_idle()) { do_poll(); udelay(1000000 / CFG_HZ); } console_assign(stdin, "phone"); console_assign(stdout, "phone"); console_assign(stderr, "phone"); setenv("bootdelay", "-1"); break; } udelay(1000000 / CFG_HZ); i--; left_to_poll--; } left_to_poll = PHONE_CONSOLE_POLL_HZ; return 0; }