mirror of
https://github.com/AsahiLinux/u-boot
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87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
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/*
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* Copyright 2011 Freescale Semiconductor, Inc.
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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 Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <config.h>
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#include <asm/fsl_law.h>
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#include <asm/fsl_serdes.h>
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#if defined(CONFIG_FSL_CORENET)
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#define _DEVDISR_SRIO1 FSL_CORENET_DEVDISR_SRIO1
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#define _DEVDISR_SRIO2 FSL_CORENET_DEVDISR_SRIO2
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#define _DEVDISR_RMU FSL_CORENET_DEVDISR_RMU
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#define CONFIG_SYS_MPC8xxx_GUTS_ADDR CONFIG_SYS_MPC85xx_GUTS_ADDR
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#elif defined(CONFIG_MPC85xx)
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#define _DEVDISR_SRIO1 MPC85xx_DEVDISR_SRIO
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#define _DEVDISR_SRIO2 MPC85xx_DEVDISR_SRIO
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#define _DEVDISR_RMU MPC85xx_DEVDISR_RMSG
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#define CONFIG_SYS_MPC8xxx_GUTS_ADDR CONFIG_SYS_MPC85xx_GUTS_ADDR
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#elif defined(CONFIG_MPC86xx)
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#define _DEVDISR_SRIO1 MPC86xx_DEVDISR_SRIO
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#define _DEVDISR_SRIO2 MPC86xx_DEVDISR_SRIO
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#define _DEVDISR_RMU MPC86xx_DEVDISR_RMSG
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#define CONFIG_SYS_MPC8xxx_GUTS_ADDR \
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(&((immap_t *)CONFIG_SYS_IMMR)->im_gur)
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#else
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#error "No defines for DEVDISR_SRIO"
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#endif
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void srio_init(void)
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{
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ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC8xxx_GUTS_ADDR;
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int srio1_used = 0, srio2_used = 0;
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if (is_serdes_configured(SRIO1)) {
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set_next_law(CONFIG_SYS_SRIO1_MEM_PHYS,
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law_size_bits(CONFIG_SYS_SRIO1_MEM_SIZE),
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LAW_TRGT_IF_RIO_1);
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srio1_used = 1;
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printf("SRIO1: enabled\n");
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} else {
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printf("SRIO1: disabled\n");
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}
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#ifdef CONFIG_SRIO2
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if (is_serdes_configured(SRIO2)) {
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set_next_law(CONFIG_SYS_SRIO2_MEM_PHYS,
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law_size_bits(CONFIG_SYS_SRIO2_MEM_SIZE),
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LAW_TRGT_IF_RIO_2);
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srio2_used = 1;
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printf("SRIO2: enabled\n");
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} else {
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printf("SRIO2: disabled\n");
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}
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#endif
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#ifdef CONFIG_FSL_CORENET
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/* On FSL_CORENET devices we can disable individual ports */
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if (!srio1_used)
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setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_SRIO1);
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if (!srio2_used)
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setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_SRIO2);
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#endif
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/* neither port is used - disable everything */
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if (!srio1_used && !srio2_used) {
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setbits_be32(&gur->devdisr, _DEVDISR_SRIO1);
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setbits_be32(&gur->devdisr, _DEVDISR_SRIO2);
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setbits_be32(&gur->devdisr, _DEVDISR_RMU);
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}
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}
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