From 93bc21930a1bfbc98e3121035207eafa427ee07f Mon Sep 17 00:00:00 2001 From: Aneesh V Date: Thu, 16 Jun 2011 23:30:51 +0000 Subject: 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 --- arch/arm/include/asm/pl310.h | 73 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 arch/arm/include/asm/pl310.h (limited to 'arch/arm/include') diff --git a/arch/arm/include/asm/pl310.h b/arch/arm/include/asm/pl310.h new file mode 100644 index 0000000..fb506e6 --- /dev/null +++ b/arch/arm/include/asm/pl310.h @@ -0,0 +1,73 @@ +/* + * (C) Copyright 2010 + * Texas Instruments, + * Aneesh V + * + * 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 + +/* 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 -- cgit v1.1