c19d824862
This patch consists of: - Add driver for OCM component - Export OCM Information at /sys/kernel/debug/ppc4xx_ocm/info Signed-off-by: Vinh Nguyen Huu Tuong <vhtnguyen@apm.com> Acked-by: Josh Boyer <jwboyer@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
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* PowerPC 4xx OCM memory allocation support
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*
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* (C) Copyright 2009, Applied Micro Circuits Corporation
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* Victor Gallardo (vgallardo@amcc.com)
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) 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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#ifndef __ASM_POWERPC_PPC4XX_OCM_H__
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#define __ASM_POWERPC_PPC4XX_OCM_H__
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#define PPC4XX_OCM_NON_CACHED 0
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#define PPC4XX_OCM_CACHED 1
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#if defined(CONFIG_PPC4xx_OCM)
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void *ppc4xx_ocm_alloc(phys_addr_t *phys, int size, int align,
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int flags, const char *owner);
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void ppc4xx_ocm_free(const void *virt);
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#else
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#define ppc4xx_ocm_alloc(phys, size, align, flags, owner) NULL
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#define ppc4xx_ocm_free(addr) ((void)0)
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#endif /* CONFIG_PPC4xx_OCM */
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#endif /* __ASM_POWERPC_PPC4XX_OCM_H__ */
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