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|
/*
* Copyright (C) 2004 Arabella Software Ltd.
* Yuli Barcohen <yuli@arabellasw.com>
*
* Support for Interphase iSPAN Communications Controllers
* (453x and others). Tested on 4532.
*
* Derived from iSPAN 4539 port (iphase4539) by
* Wolfgang Grandegger <wg@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
*/
#include <common.h>
#include <ioports.h>
#include <mpc8260.h>
#include <asm/io.h>
/*
* I/O Ports configuration table
*
* If conf is 1, then that port pin will be configured at boot time
* according to the five values podr/pdir/ppar/psor/pdat for that entry
*/
#define CFG_FCC1 (CONFIG_ETHER_INDEX == 1)
#define CFG_FCC2 (CONFIG_ETHER_INDEX == 2)
#define CFG_FCC3 (CONFIG_ETHER_INDEX == 3)
const iop_conf_t iop_conf_tab[4][32] = {
/* Port A */
{ /* conf ppar psor pdir podr pdat */
/* PA31 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII COL */
/* PA30 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII CRS */
/* PA29 */ { CFG_FCC1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_ER */
/* PA28 */ { CFG_FCC1, 1, 1, 1, 0, 0 }, /* FCC1 MII TX_EN */
/* PA27 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_DV */
/* PA26 */ { CFG_FCC1, 1, 1, 0, 0, 0 }, /* FCC1 MII RX_ER */
/* PA25 */ { 0, 0, 0, 0, 0, 0 }, /* PA25 */
/* PA24 */ { 0, 0, 0, 0, 0, 0 }, /* PA24 */
/* PA23 */ { 0, 0, 0, 0, 0, 0 }, /* PA23 */
/* PA22 */ { 0, 0, 0, 0, 0, 0 }, /* PA22 */
/* PA21 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[3] */
/* PA20 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[2] */
/* PA19 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[1] */
/* PA18 */ { CFG_FCC1, 1, 0, 1, 0, 0 }, /* FCC1 MII TxD[0] */
/* PA17 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[0] */
/* PA16 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[1] */
/* PA15 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[2] */
/* PA14 */ { CFG_FCC1, 1, 0, 0, 0, 0 }, /* FCC1 MII RxD[3] */
/* PA13 */ { 0, 0, 0, 0, 0, 0 }, /* PA13 */
/* PA12 */ { 0, 0, 0, 0, 0, 0 }, /* PA12 */
/* PA11 */ { 0, 0, 0, 0, 0, 0 }, /* PA11 */
/* PA10 */ { 0, 0, 0, 0, 0, 0 }, /* PA10 */
/* PA9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC2 SMTXD */
/* PA8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC2 SMRXD */
/* PA7 */ { 0, 0, 0, 0, 0, 0 }, /* PA7 */
/* PA6 */ { 0, 0, 0, 0, 0, 0 }, /* PA6 */
/* PA5 */ { 0, 0, 0, 0, 0, 0 }, /* PA5 */
/* PA4 */ { 0, 0, 0, 0, 0, 0 }, /* PA4 */
/* PA3 */ { 0, 0, 0, 0, 0, 0 }, /* PA3 */
/* PA2 */ { 0, 0, 0, 0, 0, 0 }, /* PA2 */
/* PA1 */ { 0, 0, 0, 0, 0, 0 }, /* PA1 */
/* PA0 */ { 0, 0, 0, 0, 0, 0 } /* PA0 */
},
/* Port B */
{ /* conf ppar psor pdir podr pdat */
/* PB31 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
/* PB30 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
/* PB29 */ { CFG_FCC2, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
/* PB28 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
/* PB27 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
/* PB26 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
/* PB25 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
/* PB24 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
/* PB23 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
/* PB22 */ { CFG_FCC2, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
/* PB21 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
/* PB20 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
/* PB19 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
/* PB18 */ { CFG_FCC2, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
/* PB17 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3 MII RX_DV */
/* PB16 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3 MII RX_ER */
/* PB15 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3 MII TX_ER */
/* PB14 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3 MII TX_EN */
/* PB13 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3 MII COL */
/* PB12 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3 MII CRS */
/* PB11 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3 MII RxD[3] */
/* PB10 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3 MII RxD[2] */
/* PB9 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3 MII RxD[1] */
/* PB8 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3 MII RxD[0] */
/* PB7 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3 MII TxD[0] */
/* PB6 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3 MII TxD[1] */
/* PB5 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3 MII TxD[2] */
/* PB4 */ { CFG_FCC3, 1, 0, 1, 0, 0 }, /* FCC3 MII TxD[3] */
/* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
/* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
/* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
/* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
},
/* Port C */
{ /* conf ppar psor pdir podr pdat */
/* PC31 */ { 0, 0, 0, 0, 0, 0 }, /* PC31 */
/* PC30 */ { 0, 0, 0, 0, 0, 0 }, /* PC30 */
/* PC29 */ { 0, 0, 0, 0, 0, 0 }, /* PC29 */
/* PC28 */ { 0, 0, 0, 0, 0, 0 }, /* PC28 */
/* PC27 */ { 0, 0, 0, 0, 0, 0 }, /* PC27 */
/* PC26 */ { 0, 0, 0, 0, 0, 0 }, /* PC26 */
/* PC25 */ { 0, 0, 0, 0, 0, 0 }, /* PC25 */
/* PC24 */ { 0, 0, 0, 0, 0, 0 }, /* PC24 */
/* PC23 */ { 0, 0, 0, 0, 0, 0 }, /* PC23 */
/* PC22 */ { 0, 0, 0, 0, 0, 0 }, /* PC22 */
/* PC21 */ { 0, 0, 0, 0, 0, 0 }, /* PC21 */
/* PC20 */ { 0, 0, 0, 0, 0, 0 }, /* PC20 */
/* PC19 */ { 0, 0, 0, 0, 0, 0 }, /* PC19 */
/* PC18 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3 MII Rx Clock (CLK14) */
/* PC17 */ { 0, 0, 0, 0, 0, 0 }, /* PC17 */
/* PC16 */ { CFG_FCC3, 1, 0, 0, 0, 0 }, /* FCC3 MII Tx Clock (CLK16) */
/* PC15 */ { 0, 0, 0, 0, 0, 0 }, /* PC15 */
/* PC14 */ { 0, 0, 0, 0, 0, 0 }, /* PC14 */
/* PC13 */ { 0, 0, 0, 0, 0, 0 }, /* PC13 */
/* PC12 */ { 0, 0, 0, 0, 0, 0 }, /* PC12 */
/* PC11 */ { 0, 0, 0, 0, 0, 0 }, /* PC11 */
/* PC10 */ { 0, 0, 0, 0, 0, 0 }, /* PC10 */
/* PC9 */ { 0, 0, 0, 0, 0, 0 }, /* PC9 */
/* PC8 */ { 0, 0, 0, 0, 0, 0 }, /* PC8 */
/* PC7 */ { 0, 0, 0, 0, 0, 0 }, /* PC7 */
/* PC6 */ { 0, 0, 0, 0, 0, 0 }, /* PC6 */
/* PC5 */ { 0, 0, 0, 0, 0, 0 }, /* PC5 */
/* PC4 */ { 0, 0, 0, 0, 0, 0 }, /* PC4 */
/* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* PC3 */
/* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* PC2 */
/* PC1 */ { 0, 0, 0, 0, 0, 0 }, /* PC1 */
/* PC0 */ { 0, 0, 0, 0, 0, 0 } /* PC0 */
},
/* Port D */
{ /* conf ppar psor pdir podr pdat */
/* PD31 */ { 0, 0, 0, 0, 0, 0 }, /* PD31 */
/* PD30 */ { 0, 0, 0, 0, 0, 0 }, /* PD30 */
/* PD29 */ { 0, 0, 0, 0, 0, 0 }, /* PD29 */
/* PD28 */ { 0, 0, 0, 0, 0, 0 }, /* PD28 */
/* PD27 */ { 0, 0, 0, 0, 0, 0 }, /* PD27 */
/* PD26 */ { 0, 0, 0, 0, 0, 0 }, /* PD26 */
/* PD25 */ { 0, 0, 0, 0, 0, 0 }, /* PD25 */
/* PD24 */ { 0, 0, 0, 0, 0, 0 }, /* PD24 */
/* PD23 */ { 0, 0, 0, 0, 0, 0 }, /* PD23 */
/* PD22 */ { 0, 0, 0, 0, 0, 0 }, /* PD22 */
/* PD21 */ { 0, 0, 0, 0, 0, 0 }, /* PD21 */
/* PD20 */ { 0, 0, 0, 0, 0, 0 }, /* PD20 */
/* PD19 */ { 0, 0, 0, 0, 0, 0 }, /* PD19 */
/* PD18 */ { 0, 1, 1, 0, 0, 0 }, /* SPICLK */
/* PD17 */ { 0, 1, 1, 0, 0, 0 }, /* SPIMOSI */
/* PD16 */ { 0, 1, 1, 0, 0, 0 }, /* SPIMISO */
/* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */
/* PD14 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SCL */
/* PD13 */ { 1, 0, 0, 0, 0, 0 }, /* MII MDIO */
/* PD12 */ { 1, 0, 0, 1, 0, 0 }, /* MII MDC */
/* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
/* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
/* PD9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 SMTXD */
/* PD8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 SMRXD */
/* PD7 */ { 0, 0, 0, 0, 0, 0 }, /* PD7 */
/* PD6 */ { CFG_FCC3, 0, 0, 1, 0, 1 }, /* MII PHY Reset */
/* PD5 */ { CFG_FCC3, 0, 0, 1, 0, 0 }, /* MII PHY Enable */
/* PD4 */ { 0, 0, 0, 0, 0, 0 }, /* PD4 */
/* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
/* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
/* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
/* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
}
};
#define PSPAN_ADDR 0xF0020000
#define EEPROM_REG 0x408
#define EEPROM_READ_CMD 0xA000
#define PSPAN_WRITE(a,v) \
*((volatile unsigned long *)(PSPAN_ADDR+(a))) = v; eieio()
#define PSPAN_READ(a) \
*((volatile unsigned long *)(PSPAN_ADDR+(a)))
static int seeprom_read (int addr, uchar * data, int size)
{
ulong val, cmd;
int i;
for (i = 0; i < size; i++) {
cmd = EEPROM_READ_CMD;
cmd |= ((addr + i) << 24) & 0xff000000;
/* Wait for ACT to authorize write */
while ((val = PSPAN_READ (EEPROM_REG)) & 0x80)
eieio ();
/* Write command */
PSPAN_WRITE (EEPROM_REG, cmd);
/* Wait for data to be valid */
while ((val = PSPAN_READ (EEPROM_REG)) & 0x80)
eieio ();
/* Do it twice, first read might be erratic */
while ((val = PSPAN_READ (EEPROM_REG)) & 0x80)
eieio ();
/* Read error */
if (val & 0x00000040) {
return -1;
} else {
data[i] = (val >> 16) & 0xff;
}
}
return 0;
}
/***************************************************************
* We take some basic Hardware Configuration Parameter from the
* Serial EEPROM conected to the PSpan bridge. We keep it as
* simple as possible.
*/
#ifdef DEBUG
static int hwc_flash_size (void)
{
uchar byte;
if (!seeprom_read (0x40, &byte, sizeof (byte))) {
switch ((byte >> 2) & 0x3) {
case 0x1:
return 0x0400000;
break;
case 0x2:
return 0x0800000;
break;
case 0x3:
return 0x1000000;
default:
return 0x0100000;
}
}
return -1;
}
static int hwc_local_sdram_size (void)
{
uchar byte;
if (!seeprom_read (0x40, &byte, sizeof (byte))) {
switch ((byte & 0x03)) {
case 0x1:
return 0x0800000;
case 0x2:
return 0x1000000;
default:
return 0; /* not present */
}
}
return -1;
}
#endif /* DEBUG */
static int hwc_main_sdram_size (void)
{
uchar byte;
if (!seeprom_read (0x41, &byte, sizeof (byte))) {
return 0x1000000 << ((byte >> 5) & 0x7);
}
return -1;
}
static int hwc_serial_number (void)
{
int sn = -1;
if (!seeprom_read (0xa0, (uchar *) &sn, sizeof (sn))) {
sn = cpu_to_le32 (sn);
}
return sn;
}
static int hwc_mac_address (char *str)
{
char mac[6];
if (!seeprom_read (0xb0, (uchar *)mac, sizeof (mac))) {
sprintf (str, "%02X:%02X:%02X:%02X:%02X:%02X",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
} else {
strcpy (str, "ERROR");
return -1;
}
return 0;
}
static int hwc_manufact_date (char *str)
{
uchar byte;
int value;
if (seeprom_read (0x92, &byte, sizeof (byte)))
goto out;
value = byte;
if (seeprom_read (0x93, &byte, sizeof (byte)))
goto out;
value += byte << 8;
sprintf (str, "%02d/%02d/%04d",
value & 0x1F, (value >> 5) & 0xF,
1980 + ((value >> 9) & 0x1FF));
return 0;
out:
strcpy (str, "ERROR");
return -1;
}
static int hwc_board_type (char **str)
{
ushort id = 0;
if (seeprom_read (7, (uchar *) & id, sizeof (id)) == 0) {
switch (id) {
case 0x9080:
*str = "4532-002";
break;
case 0x9081:
*str = "4532-001";
break;
case 0x9082:
*str = "4532-000";
break;
default:
*str = "Unknown";
}
} else {
*str = "Unknown";
}
return id;
}
long int initdram (int board_type)
{
long maxsize = hwc_main_sdram_size();
#if !defined(CFG_RAMBOOT) && !defined(CFG_USE_FIRMWARE)
volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8260_t *memctl = &immap->im_memctl;
volatile uchar *base;
int i;
immap->im_siu_conf.sc_ppc_acr = 0x00000026;
immap->im_siu_conf.sc_ppc_alrh = 0x01276345;
immap->im_siu_conf.sc_ppc_alrl = 0x89ABCDEF;
immap->im_siu_conf.sc_lcl_acr = 0x00000000;
immap->im_siu_conf.sc_lcl_alrh = 0x01234567;
immap->im_siu_conf.sc_lcl_alrl = 0x89ABCDEF;
immap->im_siu_conf.sc_tescr1 = 0x00004000;
immap->im_siu_conf.sc_ltescr1 = 0x00004000;
memctl->memc_mptpr = CFG_MPTPR;
/* Initialise 60x bus SDRAM */
base = (uchar *)(CFG_SDRAM_BASE | 0x110);
memctl->memc_psrt = CFG_PSRT;
memctl->memc_or1 = CFG_60x_OR;
memctl->memc_br1 = CFG_SDRAM_BASE | CFG_60x_BR;
memctl->memc_psdmr = CFG_PSDMR | 0x28000000;
*base = 0xFF;
memctl->memc_psdmr = CFG_PSDMR | 0x08000000;
for (i = 0; i < 8; i++)
*base = 0xFF;
memctl->memc_psdmr = CFG_PSDMR | 0x18000000;
*base = 0xFF;
memctl->memc_psdmr = CFG_PSDMR | 0x40000000;
/* Initialise local bus SDRAM */
base = (uchar *)CFG_LSDRAM_BASE;
memctl->memc_lsrt = CFG_LSRT;
memctl->memc_or2 = CFG_LOC_OR;
memctl->memc_br2 = CFG_LSDRAM_BASE | CFG_LOC_BR;
memctl->memc_lsdmr = CFG_LSDMR | 0x28000000;
*base = 0xFF;
memctl->memc_lsdmr = CFG_LSDMR | 0x08000000;
for (i = 0; i < 8; i++)
*base = 0xFF;
memctl->memc_lsdmr = CFG_LSDMR | 0x18000000;
*base = 0xFF;
memctl->memc_lsdmr = CFG_LSDMR | 0x40000000;
/* We must be able to test a location outsize the maximum legal size
* to find out THAT we are outside; but this address still has to be
* mapped by the controller. That means, that the initial mapping has
* to be (at least) twice as large as the maximum expected size.
*/
maxsize = (~(memctl->memc_or1 & BRx_BA_MSK) + 1) / 2;
maxsize = get_ram_size((long *)(memctl->memc_br1 & BRx_BA_MSK), maxsize);
memctl->memc_or1 |= ~(maxsize - 1);
if (maxsize != hwc_main_sdram_size())
puts("Oops: memory test has not found all memory!\n");
#endif /* !CFG_RAMBOOT && !CFG_USE_FIRMWARE */
/* Return total RAM size (size of 60x SDRAM) */
return maxsize;
}
int checkboard(void)
{
char string[32], *id;
hwc_manufact_date(string);
hwc_board_type(&id);
printf("Board: Interphase iSPAN %s (#%d %s)\n",
id, hwc_serial_number(), string);
#ifdef DEBUG
printf("Manufacturing date: %s\n", string);
printf("Serial number : %d\n", hwc_serial_number());
printf("FLASH size : %d MB\n", hwc_flash_size() >> 20);
printf("Main SDRAM size : %d MB\n", hwc_main_sdram_size() >> 20);
printf("Local SDRAM size : %d MB\n", hwc_local_sdram_size() >> 20);
hwc_mac_address(string);
printf("MAC address : %s\n", string);
#endif
return 0;
}
int misc_init_r(void)
{
char *s, str[32];
int num;
if ((s = getenv("serial#")) == NULL &&
(num = hwc_serial_number()) != -1) {
sprintf(str, "%06d", num);
setenv("serial#", str);
}
if ((s = getenv("ethaddr")) == NULL && hwc_mac_address(str) == 0) {
setenv("ethaddr", str);
}
return 0;
}
|
