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upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/netta/netta.c

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/*
* (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 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(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 = 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 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 *) CFG_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 (CONFIG_COMMANDS & CFG_CMD_NAND)
#include <linux/mtd/nand.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 = nand_probe(CFG_NAND_BASE);
printf ("%4lu MB\n", totlen >> 20);
}
#endif
#if (CONFIG_COMMANDS & CFG_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