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/sandburst/metrobox/metrobox.c

543 lines
18 KiB

/*
* Copyright (c) 2005
* Travis B. Sawyer, Sandburst Corporation, tsawyer@sandburst.com
*
* 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 <config.h>
#include <common.h>
#include <command.h>
#include "metrobox.h"
#include "metrobox_version.h"
#include <asm/processor.h>
#include <asm/io.h>
#include <spd_sdram.h>
#include <i2c.h>
#include "../common/ppc440gx_i2c.h"
#include "../common/sb_common.h"
void fpga_init (void);
METROBOX_BOARD_ID_ST board_id_as[] =
{ {"Undefined"}, /* Not specified */
{"2x10Gb"}, /* 2 ports, 10 GbE */
{"20x1Gb"}, /* 20 ports, 1 GbE */
{"Reserved"}, /* Reserved for future use */
};
/*************************************************************************
* board_early_init_f
*
* Setup chip selects, initialize the Opto-FPGA, initialize
* interrupt polarity and triggers.
************************************************************************/
int board_early_init_f (void)
{
ppc440_gpio_regs_t *gpio_regs;
/* Enable GPIO interrupts */
mtsdr(sdr_pfc0, 0x00103E00);
/* Setup access for LEDs, and system topology info */
gpio_regs = (ppc440_gpio_regs_t *)CFG_GPIO_BASE;
gpio_regs->open_drain = SBCOMMON_GPIO_SYS_LEDS;
gpio_regs->tri_state = SBCOMMON_GPIO_DBGLEDS;
/* Turn on all the leds for now */
gpio_regs->out = SBCOMMON_GPIO_LEDS;
/*--------------------------------------------------------------------+
| Initialize EBC CONFIG
+-------------------------------------------------------------------*/
mtebc(xbcfg,
EBC_CFG_LE_UNLOCK | EBC_CFG_PTD_ENABLE |
EBC_CFG_RTC_64PERCLK | EBC_CFG_ATC_PREVIOUS |
EBC_CFG_DTC_PREVIOUS | EBC_CFG_CTC_PREVIOUS |
EBC_CFG_EMC_DEFAULT | EBC_CFG_PME_DISABLE |
EBC_CFG_PR_32);
/*--------------------------------------------------------------------+
| 1/2 MB FLASH. Initialize bank 0 with default values.
+-------------------------------------------------------------------*/
mtebc(pb0ap,
EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(8) |
EBC_BXAP_BCE_DISABLE | EBC_BXAP_CSN_ENCODE(1) |
EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
EBC_BXAP_WBF_ENCODE(1)| EBC_BXAP_TH_ENCODE(1) |
EBC_BXAP_RE_DISABLED | EBC_BXAP_BEM_WRITEONLY |
EBC_BXAP_PEN_DISABLED);
mtebc(pb0cr, EBC_BXCR_BAS_ENCODE(CFG_FLASH_BASE) |
EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT);
/*--------------------------------------------------------------------+
| 8KB NVRAM/RTC. Initialize bank 1 with default values.
+-------------------------------------------------------------------*/
mtebc(pb1ap,
EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(10) |
EBC_BXAP_BCE_DISABLE | EBC_BXAP_CSN_ENCODE(1) |
EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
EBC_BXAP_WBF_ENCODE(1)| EBC_BXAP_TH_ENCODE(1) |
EBC_BXAP_RE_DISABLED | EBC_BXAP_BEM_WRITEONLY |
EBC_BXAP_PEN_DISABLED);
mtebc(pb1cr, EBC_BXCR_BAS_ENCODE(0x48000000) |
EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT);
/*--------------------------------------------------------------------+
| Compact Flash, uses 2 Chip Selects (2 & 6)
+-------------------------------------------------------------------*/
mtebc(pb2ap,
EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(8) |
EBC_BXAP_BCE_DISABLE | EBC_BXAP_CSN_ENCODE(1) |
EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
EBC_BXAP_WBF_ENCODE(0)| EBC_BXAP_TH_ENCODE(1) |
EBC_BXAP_RE_DISABLED | EBC_BXAP_BEM_WRITEONLY |
EBC_BXAP_PEN_DISABLED);
mtebc(pb2cr, EBC_BXCR_BAS_ENCODE(0xF0000000) |
EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT);
/*--------------------------------------------------------------------+
| OPTO & OFEM FPGA. Initialize bank 3 with default values.
+-------------------------------------------------------------------*/
mtebc(pb3ap,
EBC_BXAP_RE_ENABLED | EBC_BXAP_SOR_NONDELAYED |
EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(3) |
EBC_BXAP_TH_ENCODE(1) | EBC_BXAP_WBF_ENCODE(0) |
EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);
mtebc(pb3cr, EBC_BXCR_BAS_ENCODE(0x48200000) |
EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);
/*--------------------------------------------------------------------+
| MAC A for metrobox
| MAC A & B for Kamino. OFEM FPGA decodes the addresses
| Initialize bank 4 with default values.
+-------------------------------------------------------------------*/
mtebc(pb4ap,
EBC_BXAP_RE_ENABLED | EBC_BXAP_SOR_NONDELAYED |
EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(3) |
EBC_BXAP_TH_ENCODE(1) | EBC_BXAP_WBF_ENCODE(0) |
EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);
mtebc(pb4cr, EBC_BXCR_BAS_ENCODE(0x48600000) |
EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);
/*--------------------------------------------------------------------+
| Metrobox MAC B Initialize bank 5 with default values.
| KA REF FPGA Initialize bank 5 with default values.
+-------------------------------------------------------------------*/
mtebc(pb5ap,
EBC_BXAP_RE_ENABLED | EBC_BXAP_SOR_NONDELAYED |
EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(3) |
EBC_BXAP_TH_ENCODE(1) | EBC_BXAP_WBF_ENCODE(0) |
EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);
mtebc(pb5cr, EBC_BXCR_BAS_ENCODE(0x48700000) |
EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);
/*--------------------------------------------------------------------+
| Compact Flash, uses 2 Chip Selects (2 & 6)
+-------------------------------------------------------------------*/
mtebc(pb6ap,
EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(8) |
EBC_BXAP_BCE_DISABLE | EBC_BXAP_CSN_ENCODE(1) |
EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
EBC_BXAP_WBF_ENCODE(0)| EBC_BXAP_TH_ENCODE(1) |
EBC_BXAP_RE_DISABLED | EBC_BXAP_BEM_WRITEONLY |
EBC_BXAP_PEN_DISABLED);
mtebc(pb6cr, EBC_BXCR_BAS_ENCODE(0xF0100000) |
EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT);
/*--------------------------------------------------------------------+
| BME-32. Initialize bank 7 with default values.
+-------------------------------------------------------------------*/
mtebc(pb7ap,
EBC_BXAP_RE_ENABLED | EBC_BXAP_SOR_NONDELAYED |
EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(3) |
EBC_BXAP_TH_ENCODE(1) | EBC_BXAP_WBF_ENCODE(0) |
EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);
mtebc(pb7cr, EBC_BXCR_BAS_ENCODE(0x48500000) |
EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);
/*--------------------------------------------------------------------+
* Setup the interrupt controller polarities, triggers, etc.
+-------------------------------------------------------------------*/
mtdcr (uic0sr, 0xffffffff); /* clear all */
mtdcr (uic0er, 0x00000000); /* disable all */
mtdcr (uic0cr, 0x00000000); /* all non- critical */
mtdcr (uic0pr, 0xfffffe03); /* polarity */
mtdcr (uic0tr, 0x01c00000); /* trigger edge vs level */
mtdcr (uic0vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic0sr, 0xffffffff); /* clear all */
mtdcr (uic1sr, 0xffffffff); /* clear all */
mtdcr (uic1er, 0x00000000); /* disable all */
mtdcr (uic1cr, 0x00000000); /* all non-critical */
mtdcr (uic1pr, 0xffffc8ff); /* polarity */
mtdcr (uic1tr, 0x00ff0000); /* trigger edge vs level */
mtdcr (uic1vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic1sr, 0xffffffff); /* clear all */
mtdcr (uic2sr, 0xffffffff); /* clear all */
mtdcr (uic2er, 0x00000000); /* disable all */
mtdcr (uic2cr, 0x00000000); /* all non-critical */
mtdcr (uic2pr, 0xffff83ff); /* polarity */
mtdcr (uic2tr, 0x00ff8c0f); /* trigger edge vs level */
mtdcr (uic2vr, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (uic2sr, 0xffffffff); /* clear all */
mtdcr (uicb0sr, 0xfc000000); /* clear all */
mtdcr (uicb0er, 0x00000000); /* disable all */
mtdcr (uicb0cr, 0x00000000); /* all non-critical */
mtdcr (uicb0pr, 0xfc000000);
mtdcr (uicb0tr, 0x00000000);
mtdcr (uicb0vr, 0x00000001);
fpga_init();
return 0;
}
/*************************************************************************
* checkboard
*
* Dump pertinent info to the console
************************************************************************/
int checkboard (void)
{
sys_info_t sysinfo;
unsigned char brd_rev, brd_id;
unsigned short sernum;
unsigned char opto_rev, opto_id;
OPTO_FPGA_REGS_ST *opto_ps;
opto_ps = (OPTO_FPGA_REGS_ST *)CFG_FPGA_BASE;
opto_rev = (unsigned char)((opto_ps->revision_ul &
SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_MASK)
>> SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_SHIFT);
opto_id = (unsigned char)((opto_ps->revision_ul &
SAND_HAL_XC_XCVR_CNTL_REVISION_IDENTIFICATION_MASK)
>> SAND_HAL_XC_XCVR_CNTL_REVISION_IDENTIFICATION_SHIFT);
brd_rev = (unsigned char)((opto_ps->boardinfo_ul &
SAND_HAL_XC_XCVR_CNTL_BRD_INFO_BRD_REV_MASK)
>> SAND_HAL_XC_XCVR_CNTL_BRD_INFO_BRD_REV_SHIFT);
brd_id = (unsigned char)((opto_ps->boardinfo_ul &
SAND_HAL_XC_XCVR_CNTL_BRD_INFO_BRD_ID_MASK)
>> SAND_HAL_XC_XCVR_CNTL_BRD_INFO_BRD_ID_SHIFT);
get_sys_info (&sysinfo);
sernum = sbcommon_get_serial_number();
printf ("Board: Sandburst Corporation MetroBox Serial Number: %d\n", sernum);
printf ("%s\n", METROBOX_U_BOOT_REL_STR);
printf ("Built %s %s by %s\n", __DATE__, __TIME__, BUILDUSER);
if (sbcommon_get_master()) {
printf("Slot 0 - Master\nSlave board");
if (sbcommon_secondary_present())
printf(" present\n");
else
printf(" not detected\n");
} else {
printf("Slot 1 - Slave\n\n");
}
printf ("OptoFPGA ID:\t0x%02X\tRev: 0x%02X\n", opto_id, opto_rev);
printf ("Board Rev:\t0x%02X\tID: %s\n", brd_rev, board_id_as[brd_id]);
printf ("\tVCO: %lu MHz\n", sysinfo.freqVCOMhz / 1000000);
printf ("\tCPU: %lu MHz\n", sysinfo.freqProcessor / 1000000);
printf ("\tPLB: %lu MHz\n", sysinfo.freqPLB / 1000000);
printf ("\tOPB: %lu MHz\n", sysinfo.freqOPB / 1000000);
printf ("\tEPB: %lu MHz\n", sysinfo.freqEPB / 1000000);
/* Fix the ack in the bme 32 */
udelay(5000);
out32(CFG_BME32_BASE + 0x0000000C, 0x00000001);
asm("eieio");
return (0);
}
/*************************************************************************
* misc_init_f
*
* Initialize I2C bus one to gain access to the fans
************************************************************************/
int misc_init_f (void)
{
/* Turn on i2c bus 1 */
puts ("I2C1: ");
i2c1_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
puts ("ready\n");
/* Turn on fans */
sbcommon_fans();
return (0);
}
/*************************************************************************
* misc_init_r
*
* Do nothing.
************************************************************************/
int misc_init_r (void)
{
unsigned short sernum;
char envstr[255];
unsigned char opto_rev;
OPTO_FPGA_REGS_ST *opto_ps;
opto_ps = (OPTO_FPGA_REGS_ST *)CFG_FPGA_BASE;
if(NULL != getenv("secondserial")) {
puts("secondserial is set, switching to second serial port\n");
setenv("stderr", "serial1");
setenv("stdout", "serial1");
setenv("stdin", "serial1");
}
setenv("ubrelver", METROBOX_U_BOOT_REL_STR);
memset(envstr, 0, 255);
sprintf (envstr, "Built %s %s by %s", __DATE__, __TIME__, BUILDUSER);
setenv("bldstr", envstr);
saveenv();
if( getenv("autorecover")) {
setenv("autorecover", NULL);
saveenv();
sernum = sbcommon_get_serial_number();
printf("\nSetting up environment for automatic filesystem recovery\n");
/*
* Setup default bootargs
*/
memset(envstr, 0, 255);
sprintf(envstr, "console=ttyS0,9600 root=/dev/ram0 "
"rw ip=10.100.60.%d:::255.255.0.0:metrobox%d:eth0:none idebus=33",
sernum, sernum);
setenv("bootargs", envstr);
/*
* Setup Default boot command
*/
setenv("bootcmd", "fatload ide 0 8000000 pimage.metrobox;"
"fatload ide 0 8100000 pramdisk;"
"bootm 8000000 8100000");
printf("Done. Please type allow the system to continue to boot\n");
}
if( getenv("fakeled")) {
setenv("bootdelay", "-1");
saveenv();
printf("fakeled is set. use 'setenv fakeled ; setenv bootdelay 5 ; saveenv' to recover\n");
opto_rev = (unsigned char)((opto_ps->revision_ul &
SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_MASK)
>> SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_SHIFT);
if(0x12 <= opto_rev) {
opto_ps->control_ul &= ~ SAND_HAL_XC_XCVR_CNTL_CNTL_ERROR_LED_MASK;
}
}
return (0);
}
/*************************************************************************
* ide_set_reset
************************************************************************/
#ifdef CONFIG_IDE_RESET
void ide_set_reset(int on)
{
OPTO_FPGA_REGS_ST *opto_ps;
opto_ps = (OPTO_FPGA_REGS_ST *)CFG_FPGA_BASE;
if (on) { /* assert RESET */
opto_ps->reset_ul &= ~SAND_HAL_XC_XCVR_CNTL_RESET_CF_RESET_N_MASK;
} else { /* release RESET */
opto_ps->reset_ul |= SAND_HAL_XC_XCVR_CNTL_RESET_CF_RESET_N_MASK;
}
}
#endif /* CONFIG_IDE_RESET */
/*************************************************************************
* fpga_init
************************************************************************/
void fpga_init(void)
{
OPTO_FPGA_REGS_ST *opto_ps;
unsigned char opto_rev;
unsigned long tmp;
/* Ensure we have power all around */
udelay(500);
/*
* Take appropriate hw bits out of reset
*/
opto_ps = (OPTO_FPGA_REGS_ST *)CFG_FPGA_BASE;
tmp =
SAND_HAL_XC_XCVR_CNTL_RESET_MAC1_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_MAC0_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_BME_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_ACE_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_CF_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_QE_A_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_IFE_A_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_EFE_A_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_QE_B_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_IFE_B_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_EFE_B_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_LOCK1_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_LOCK0_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_I2C_MUX1_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_I2C_MUX0_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_PHY0_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_PHY1_RESET_N_MASK |
SAND_HAL_XC_XCVR_CNTL_RESET_SLAVE_RESET_N_MASK;
opto_ps->reset_ul = tmp;
/*
* Turn on the 'Slow Blink' for the System Error Led.
* Ensure FPGA rev is up to at least rev 0x12
*/
opto_rev = (unsigned char)((opto_ps->revision_ul &
SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_MASK)
>> SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_SHIFT);
if(0x12 <= opto_rev) {
opto_ps->control_ul |= 1 << SAND_HAL_XC_XCVR_CNTL_CNTL_ERROR_LED_SHIFT;
}
asm("eieio");
return;
}
int metroboxSetupVars(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
unsigned short sernum;
char envstr[255];
sernum = sbcommon_get_serial_number();
memset(envstr, 0, 255);
/*
* Setup our ip address
*/
sprintf(envstr, "10.100.60.%d", sernum);
setenv("ipaddr", envstr);
/*
* Setup the host ip address
*/
setenv("serverip", "10.100.17.10");
/*
* Setup default bootargs
*/
memset(envstr, 0, 255);
sprintf(envstr, "console=ttyS0,9600 root=/dev/nfs "
"rw nfsroot=10.100.17.10:/home/metrobox/mbc%d "
"nfsaddrs=10.100.60.%d:10.100.17.10:10.100.1.1"
":255.255.0.0:metrobox%d.sandburst.com:eth0:none idebus=33",
sernum, sernum, sernum);
setenv("bootargs_nfs", envstr);
setenv("bootargs", envstr);
/*
* Setup CF bootargs
*/
memset(envstr, 0, 255);
sprintf(envstr, "console=ttyS0,9600 root=/dev/hda2 "
"rw ip=10.100.60.%d:::255.255.0.0:metrobox%d:eth0:none idebus=33",
sernum, sernum);
setenv("bootargs_cf", envstr);
/*
* Setup Default boot command
*/
setenv("bootcmd_tftp", "tftp 8000000 pImage.metrobox;bootm 8000000");
setenv("bootcmd", "tftp 8000000 pImage.metrobox;bootm 8000000");
/*
* Setup compact flash boot command
*/
setenv("bootcmd_cf", "fatload ide 0 8000000 pimage.metrobox;bootm 8000000");
saveenv();
return(1);
}
int metroboxRecover(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
unsigned short sernum;
char envstr[255];
sernum = sbcommon_get_serial_number();
printf("\nSetting up environment for filesystem recovery\n");
/*
* Setup default bootargs
*/
memset(envstr, 0, 255);
sprintf(envstr, "console=ttyS0,9600 root=/dev/ram0 "
"rw ip=10.100.60.%d:::255.255.0.0:metrobox%d:eth0:none",
sernum, sernum);
setenv("bootargs", envstr);
/*
* Setup Default boot command
*/
setenv("bootcmd", "fatload ide 0 8000000 pimage.metrobox;"
"fatload ide 0 8100000 pramdisk;"
"bootm 8000000 8100000");
printf("Done. Please type boot<cr>.\nWhen the kernel has booted"
" please type fsrecover.sh<cr>\n");
return(1);
}
U_BOOT_CMD(mbsetup, 1, 1, metroboxSetupVars,
"mbsetup - Set environment to factory defaults\n", NULL);
U_BOOT_CMD(mbrecover, 1, 1, metroboxRecover,
"mbrecover - Set environment to allow for fs recovery\n", NULL);