mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-02 09:30:10 +00:00
128 lines
2.9 KiB
C
128 lines
2.9 KiB
C
/*
|
|
* ml300.c: U-Boot platform support for Xilinx ML300 board
|
|
*
|
|
* Author: Xilinx, Inc.
|
|
*
|
|
*
|
|
* 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.
|
|
*
|
|
*
|
|
* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
|
|
* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
|
|
* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR STANDARD,
|
|
* XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION IS FREE
|
|
* FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE FOR OBTAINING
|
|
* ANY THIRD PARTY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
|
|
* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
|
|
* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY
|
|
* WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM
|
|
* CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
* FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
*
|
|
* Xilinx hardware products are not intended for use in life support
|
|
* appliances, devices, or systems. Use in such applications is
|
|
* expressly prohibited.
|
|
*
|
|
*
|
|
* (c) Copyright 2002-2004 Xilinx Inc.
|
|
* All rights reserved.
|
|
*
|
|
*
|
|
* 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.,
|
|
* 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <common.h>
|
|
#include <asm/processor.h>
|
|
|
|
#ifdef CONFIG_ENV_IS_IN_EEPROM
|
|
extern void convert_env(void);
|
|
#endif
|
|
|
|
int
|
|
board_pre_init(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
checkboard(void)
|
|
{
|
|
char tmp[64]; /* long enough for environment variables */
|
|
char *s, *e;
|
|
int i = getenv_r("L", tmp, sizeof (tmp));
|
|
|
|
if (i < 0) {
|
|
printf("### No HW ID - assuming ML300");
|
|
} else {
|
|
for (e = tmp; *e; ++e) {
|
|
if (*e == ' ')
|
|
break;
|
|
}
|
|
|
|
printf("### Board Serial# is ");
|
|
|
|
for (s = tmp; s < e; ++s) {
|
|
putc(*s);
|
|
}
|
|
|
|
}
|
|
putc('\n');
|
|
|
|
return (0);
|
|
}
|
|
|
|
phys_size_t
|
|
initdram(int board_type)
|
|
{
|
|
return 128 * 1024 * 1024;
|
|
}
|
|
|
|
int
|
|
testdram(void)
|
|
{
|
|
printf("test: xxx MB - ok\n");
|
|
|
|
return (0);
|
|
}
|
|
|
|
/* implement functions originally in cpu/ppc4xx/speed.c */
|
|
void
|
|
get_sys_info(sys_info_t * sysInfo)
|
|
{
|
|
sysInfo->freqProcessor = XPAR_CORE_CLOCK_FREQ_HZ;
|
|
|
|
/* only correct if the PLB and OPB run at the same frequency */
|
|
sysInfo->freqPLB = XPAR_UARTNS550_0_CLOCK_FREQ_HZ;
|
|
sysInfo->freqPCI = XPAR_UARTNS550_0_CLOCK_FREQ_HZ / 3;
|
|
}
|
|
|
|
ulong
|
|
get_PCI_freq(void)
|
|
{
|
|
ulong val;
|
|
PPC4xx_SYS_INFO sys_info;
|
|
|
|
get_sys_info(&sys_info);
|
|
val = sys_info.freqPCI;
|
|
return val;
|
|
}
|
|
|
|
#ifdef CONFIG_MISC_INIT_R
|
|
|
|
int
|
|
misc_init_r()
|
|
{
|
|
/* convert env name and value to u-boot standard */
|
|
convert_env();
|
|
return 0;
|
|
}
|
|
|
|
#endif
|