u-boot/arch/arm/include/asm/pl310.h
Aneesh V 93bc21930a armv7: add PL310 support to u-boot
PL310 is the L2$ controller from ARM used in many SoCs
including the Cortex-A9 based OMAP4430

Add support for some of the key PL310 operations
	- Invalidate all
	- Invalidate range
	- Flush(clean & invalidate) all
	- Flush range

Signed-off-by: Aneesh V <aneesh@ti.com>
2011-07-04 10:55:25 +02:00

73 lines
1.9 KiB
C

/*
* (C) Copyright 2010
* Texas Instruments, <www.ti.com>
* Aneesh V <aneesh@ti.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef _PL310_H_
#define _PL310_H_
#include <linux/types.h>
/* Register bit fields */
#define PL310_AUX_CTRL_ASSOCIATIVITY_MASK (1 << 16)
struct pl310_regs {
u32 pl310_cache_id;
u32 pl310_cache_type;
u32 pad1[62];
u32 pl310_ctrl;
u32 pl310_aux_ctrl;
u32 pl310_tag_latency_ctrl;
u32 pl310_data_latency_ctrl;
u32 pad2[60];
u32 pl310_event_cnt_ctrl;
u32 pl310_event_cnt1_cfg;
u32 pl310_event_cnt0_cfg;
u32 pl310_event_cnt1_val;
u32 pl310_event_cnt0_val;
u32 pl310_intr_mask;
u32 pl310_masked_intr_stat;
u32 pl310_raw_intr_stat;
u32 pl310_intr_clear;
u32 pad3[323];
u32 pl310_cache_sync;
u32 pad4[15];
u32 pl310_inv_line_pa;
u32 pad5[2];
u32 pl310_inv_way;
u32 pad6[12];
u32 pl310_clean_line_pa;
u32 pad7[1];
u32 pl310_clean_line_idx;
u32 pl310_clean_way;
u32 pad8[12];
u32 pl310_clean_inv_line_pa;
u32 pad9[1];
u32 pl310_clean_inv_line_idx;
u32 pl310_clean_inv_way;
};
void pl310_inval_all(void);
void pl310_clean_inval_all(void);
void pl310_inval_range(u32 start, u32 end);
void pl310_clean_inval_range(u32 start, u32 end);
#endif