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ad021ae886
When programming the DMA engine, the next pointers must be programmed with physical address as seen from the DMA master address space. This address may be different from physical address of the buffer RAM area. This patch abstracts the buffer address translation logic. Signed-off-by: Sriramakrishnan <srk@ti.com> Acked-by: Chaithrika U S <chaithrika@ti.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
39 lines
907 B
C
39 lines
907 B
C
/*
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* TI DaVinci EMAC platform support
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*
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* Author: Kevin Hilman, Deep Root Systems, LLC
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*
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* 2007 (c) Deep Root Systems, LLC. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*/
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#ifndef _LINUX_DAVINCI_EMAC_H
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#define _LINUX_DAVINCI_EMAC_H
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#include <linux/if_ether.h>
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#include <linux/memory.h>
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struct emac_platform_data {
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char mac_addr[ETH_ALEN];
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u32 ctrl_reg_offset;
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u32 ctrl_mod_reg_offset;
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u32 ctrl_ram_offset;
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u32 hw_ram_addr;
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u32 mdio_reg_offset;
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u32 ctrl_ram_size;
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u32 phy_mask;
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u32 mdio_max_freq;
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u8 rmii_en;
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u8 version;
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void (*interrupt_enable) (void);
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void (*interrupt_disable) (void);
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};
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enum {
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EMAC_VERSION_1, /* DM644x */
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EMAC_VERSION_2, /* DM646x */
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};
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void davinci_get_mac_addr(struct memory_accessor *mem_acc, void *context);
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#endif
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