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129 lines
2.9 KiB
C
129 lines
2.9 KiB
C
/*
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* ml300.c: U-Boot platform support for Xilinx ML300 board
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*
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* Author: Xilinx, Inc.
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*
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*
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* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
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* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
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* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR STANDARD,
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* XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION IS FREE
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* FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE FOR OBTAINING
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* ANY THIRD PARTY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
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* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
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* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY
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* WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM
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* CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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*
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* Xilinx hardware products are not intended for use in life support
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* appliances, devices, or systems. Use in such applications is
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* expressly prohibited.
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*
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*
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* (c) Copyright 2002-2004 Xilinx Inc.
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* All rights reserved.
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*
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <config.h>
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#include <common.h>
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#include <asm/processor.h>
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#ifdef CONFIG_ENV_IS_IN_EEPROM
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extern void convert_env(void);
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#endif
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int
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board_pre_init(void)
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{
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return 0;
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}
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int
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checkboard(void)
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{
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char tmp[64]; /* long enough for environment variables */
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char *s, *e;
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int i = getenv_r("L", tmp, sizeof (tmp));
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if (i < 0) {
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printf("### No HW ID - assuming ML300");
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} else {
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for (e = tmp; *e; ++e) {
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if (*e == ' ')
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break;
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}
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printf("### Board Serial# is ");
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for (s = tmp; s < e; ++s) {
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putc(*s);
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}
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}
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putc('\n');
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return (0);
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}
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phys_size_t
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initdram(int board_type)
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{
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return 128 * 1024 * 1024;
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}
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int
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testdram(void)
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{
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printf("test: xxx MB - ok\n");
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return (0);
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}
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/* implement functions originally in cpu/ppc4xx/speed.c */
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void
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get_sys_info(sys_info_t * sysInfo)
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{
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sysInfo->freqProcessor = XPAR_CORE_CLOCK_FREQ_HZ;
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/* only correct if the PLB and OPB run at the same frequency */
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sysInfo->freqPLB = XPAR_UARTNS550_0_CLOCK_FREQ_HZ;
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sysInfo->freqPCI = XPAR_UARTNS550_0_CLOCK_FREQ_HZ / 3;
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}
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ulong
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get_PCI_freq(void)
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{
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ulong val;
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PPC4xx_SYS_INFO sys_info;
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get_sys_info(&sys_info);
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val = sys_info.freqPCI;
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return val;
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}
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#ifdef CONFIG_MISC_INIT_R
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int
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misc_init_r()
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{
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/* convert env name and value to u-boot standard */
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convert_env();
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return 0;
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}
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#endif
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