summaryrefslogtreecommitdiff
path: root/arch/avr32/mach-at32ap/hmatrix.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/avr32/mach-at32ap/hmatrix.c')
-rw-r--r--arch/avr32/mach-at32ap/hmatrix.c88
1 files changed, 0 insertions, 88 deletions
diff --git a/arch/avr32/mach-at32ap/hmatrix.c b/arch/avr32/mach-at32ap/hmatrix.c
deleted file mode 100644
index 48f5ede77468..000000000000
--- a/arch/avr32/mach-at32ap/hmatrix.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * High-Speed Bus Matrix helper functions
- *
- * Copyright (C) 2008 Atmel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/clk.h>
-#include <linux/io.h>
-
-#include <mach/chip.h>
-#include <mach/hmatrix.h>
-
-static inline void __hmatrix_write_reg(unsigned long offset, u32 value)
-{
- __raw_writel(value, (void __iomem __force *)(HMATRIX_BASE + offset));
-}
-
-static inline u32 __hmatrix_read_reg(unsigned long offset)
-{
- return __raw_readl((void __iomem __force *)(HMATRIX_BASE + offset));
-}
-
-/**
- * hmatrix_write_reg - write HMATRIX configuration register
- * @offset: register offset
- * @value: value to be written to the register at @offset
- */
-void hmatrix_write_reg(unsigned long offset, u32 value)
-{
- clk_enable(&at32_hmatrix_clk);
- __hmatrix_write_reg(offset, value);
- __hmatrix_read_reg(offset);
- clk_disable(&at32_hmatrix_clk);
-}
-
-/**
- * hmatrix_read_reg - read HMATRIX configuration register
- * @offset: register offset
- *
- * Returns the value of the register at @offset.
- */
-u32 hmatrix_read_reg(unsigned long offset)
-{
- u32 value;
-
- clk_enable(&at32_hmatrix_clk);
- value = __hmatrix_read_reg(offset);
- clk_disable(&at32_hmatrix_clk);
-
- return value;
-}
-
-/**
- * hmatrix_sfr_set_bits - set bits in a slave's Special Function Register
- * @slave_id: operate on the SFR belonging to this slave
- * @mask: mask of bits to be set in the SFR
- */
-void hmatrix_sfr_set_bits(unsigned int slave_id, u32 mask)
-{
- u32 value;
-
- clk_enable(&at32_hmatrix_clk);
- value = __hmatrix_read_reg(HMATRIX_SFR(slave_id));
- value |= mask;
- __hmatrix_write_reg(HMATRIX_SFR(slave_id), value);
- __hmatrix_read_reg(HMATRIX_SFR(slave_id));
- clk_disable(&at32_hmatrix_clk);
-}
-
-/**
- * hmatrix_sfr_set_bits - clear bits in a slave's Special Function Register
- * @slave_id: operate on the SFR belonging to this slave
- * @mask: mask of bits to be cleared in the SFR
- */
-void hmatrix_sfr_clear_bits(unsigned int slave_id, u32 mask)
-{
- u32 value;
-
- clk_enable(&at32_hmatrix_clk);
- value = __hmatrix_read_reg(HMATRIX_SFR(slave_id));
- value &= ~mask;
- __hmatrix_write_reg(HMATRIX_SFR(slave_id), value);
- __hmatrix_read_reg(HMATRIX_SFR(slave_id));
- clk_disable(&at32_hmatrix_clk);
-}