u-boot/board/esd/hub405/hub405.c
Stefan Roese 952e7760bf ppc4xx: Convert PPC4xx UIC defines from lower case to upper case
The latest PPC4xx register cleanup patch missed the UIC defines.
This patch now changes lower case UIC defines to upper case.

Signed-off-by: Stefan Roese <sr@denx.de>
2009-09-28 10:45:42 +02:00

224 lines
6 KiB
C

/*
* (C) Copyright 2001-2003
* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 <common.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <command.h>
#include <malloc.h>
DECLARE_GLOBAL_DATA_PTR;
extern void lxt971_no_sleep(void);
int board_revision(void)
{
unsigned long osrl_reg;
unsigned long isr1l_reg;
unsigned long tcr_reg;
unsigned long value;
/*
* Get version of HUB405 board from GPIO's
*/
/*
* Setup GPIO pin(s) (IRQ6/GPIO23)
*/
osrl_reg = in_be32((void *)GPIO0_OSRH);
isr1l_reg = in_be32((void *)GPIO0_ISR1H);
tcr_reg = in_be32((void *)GPIO0_TCR);
out_be32((void *)GPIO0_OSRH, osrl_reg & ~0x00030000); /* output select */
out_be32((void *)GPIO0_ISR1H, isr1l_reg | 0x00030000); /* input select */
out_be32((void *)GPIO0_TCR, tcr_reg & ~0x00000100); /* select input */
udelay(1000); /* wait some time before reading input */
value = in_be32((void *)GPIO0_IR) & 0x00000100; /* get config bits */
/*
* Restore GPIO settings
*/
out_be32((void *)GPIO0_OSRH, osrl_reg); /* output select */
out_be32((void *)GPIO0_ISR1H, isr1l_reg); /* input select */
out_be32((void *)GPIO0_TCR, tcr_reg); /* enable output driver for outputs */
if (value & 0x00000100) {
/* Revision 1.1 or 1.2 detected */
return 1;
}
/* Revision 1.0 */
return 0;
}
int board_early_init_f (void)
{
/*
* IRQ 0-15 405GP internally generated; active high; level sensitive
* IRQ 16 405GP internally generated; active low; level sensitive
* IRQ 17-24 RESERVED
* IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
* IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive
* IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
* IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
* IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
* IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
* IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
*/
mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
mtdcr(UIC0ER, 0x00000000); /* disable all ints */
mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical*/
mtdcr(UIC0PR, 0xFFFFFF9F); /* set int polarities */
mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */
mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority*/
mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
/*
* EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
*/
mtebc (EBC0_CFG, 0xa8400000); /* ebc always driven */
return 0;
}
#define LED_REG (DUART0_BA + 0x20)
int misc_init_r (void)
{
unsigned long val;
int delay, flashcnt;
char *str;
char hw_rev[4];
/*
* Enable interrupts in exar duart mcr[3]
*/
out_8((void *)(DUART0_BA + 4), 0x08);
out_8((void *)(DUART1_BA + 4), 0x08);
out_8((void *)(DUART2_BA + 4), 0x08);
out_8((void *)(DUART3_BA + 4), 0x08);
/*
* Set RS232/RS422 control (RS232 = high on GPIO)
*/
val = in_be32((void *)GPIO0_OR);
val &= ~(CONFIG_SYS_UART2_RS232 | CONFIG_SYS_UART3_RS232 |
CONFIG_SYS_UART4_RS232 | CONFIG_SYS_UART5_RS232);
str = getenv("phys0");
if (!str || (str && (str[0] == '0')))
val |= CONFIG_SYS_UART2_RS232;
str = getenv("phys1");
if (!str || (str && (str[0] == '0')))
val |= CONFIG_SYS_UART3_RS232;
str = getenv("phys2");
if (!str || (str && (str[0] == '0')))
val |= CONFIG_SYS_UART4_RS232;
str = getenv("phys3");
if (!str || (str && (str[0] == '0')))
val |= CONFIG_SYS_UART5_RS232;
out_be32((void *)GPIO0_OR, val);
/*
* check board type and setup AP power
*/
str = getenv("bd_type"); /* this is only set on non prototype hardware */
if (str != NULL) {
if ((strcmp(str, "swch405") == 0) || ((!strcmp(str, "hub405") && (gd->board_type >= 1)))) {
unsigned char led_reg_default = 0;
str = getenv("ap_pwr");
if (!str || (str && (str[0] == '1')))
led_reg_default = 0x04 | 0x02 ; /* U2_LED | AP_PWR */
/*
* Flash LEDs
*/
for (flashcnt = 0; flashcnt < 3; flashcnt++) {
/* LED_A..D off */
out_8((void *)LED_REG, led_reg_default);
for (delay = 0; delay < 100; delay++)
udelay(1000);
/* LED_A..D on */
out_8((void *)LED_REG, led_reg_default | 0xf0);
for (delay = 0; delay < 50; delay++)
udelay(1000);
}
out_8((void *)LED_REG, led_reg_default);
}
}
/*
* Reset external DUARTs
*/
out_be32((void *)GPIO0_OR,
in_be32((void *)GPIO0_OR) | CONFIG_SYS_DUART_RST); /* set reset to high */
udelay(10); /* wait 10us */
out_be32((void *)GPIO0_OR,
in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_DUART_RST); /* set reset to low */
udelay(1000); /* wait 1ms */
/*
* Store hardware revision in environment for further processing
*/
sprintf(hw_rev, "1.%ld", gd->board_type);
setenv("hw_rev", hw_rev);
return (0);
}
/*
* Check Board Identity:
*/
int checkboard (void)
{
char str[64];
int i = getenv_r ("serial#", str, sizeof(str));
puts ("Board: ");
if (i == -1) {
puts ("### No HW ID - assuming HUB405");
} else {
puts(str);
}
if (getenv_r("bd_type", str, sizeof(str)) != -1) {
printf(" (%s", str);
} else {
puts(" (Missing bd_type!");
}
gd->board_type = board_revision();
printf(", Rev 1.%ld)\n", gd->board_type);
/*
* Disable sleep mode in LXT971
*/
lxt971_no_sleep();
return 0;
}