u-boot/include/k210/pll.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com>
 */
#ifndef K210_PLL_H
#define K210_PLL_H

#include <test/export.h>

struct k210_pll_config {
	u8 r;
	u8 f;
	u8 od;
};

#ifdef CONFIG_UNIT_TEST
TEST_STATIC int k210_pll_calc_config(u32 rate, u32 rate_in,
				     struct k210_pll_config *best);
#ifndef nop
#define nop()
#endif

#endif
#endif /* K210_PLL_H */
clk: Add K210 pll support This pll code is primarily based on the code from the kendryte standalone sdk in lib/drivers/sysctl.c. k210_pll_calc_config is roughly analogous to the algorithm used to set the pll frequency, but it has been completely rewritten to be fixed-point based. Signed-off-by: Sean Anderson <seanga2@gmail.com> CC: Lukasz Majewski <lukma@denx.de> 2020-06-24 10:41:09 +00:00			`/* SPDX-License-Identifier: GPL-2.0+ */`
			`/*`
			`* Copyright (C) 2019-20 Sean Anderson <seanga2@gmail.com>`
			`*/`
			`#ifndef K210_PLL_H`
			`#define K210_PLL_H`

			`#include <test/export.h>`

			`struct k210_pll_config {`
			`u8 r;`
			`u8 f;`
			`u8 od;`
			`};`

			`#ifdef CONFIG_UNIT_TEST`
			`TEST_STATIC int k210_pll_calc_config(u32 rate, u32 rate_in,`
			`struct k210_pll_config *best);`
clk: kendryte/pll.h: do not redefine nop() The kendryte PLL code uses nop as barrier. The macro is not defined for the sandbox on x86 but is defined on RISC-V. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Sean Anderson <seanga2@gmail.com> Reviewed-by: Bin Meng <bin.meng@windriver.com> 2020-07-28 15:52:23 +00:00			`#ifndef nop`
clk: Add K210 pll support This pll code is primarily based on the code from the kendryte standalone sdk in lib/drivers/sysctl.c. k210_pll_calc_config is roughly analogous to the algorithm used to set the pll frequency, but it has been completely rewritten to be fixed-point based. Signed-off-by: Sean Anderson <seanga2@gmail.com> CC: Lukasz Majewski <lukma@denx.de> 2020-06-24 10:41:09 +00:00			`#define nop()`
			`#endif`

clk: kendryte/pll.h: do not redefine nop() The kendryte PLL code uses nop as barrier. The macro is not defined for the sandbox on x86 but is defined on RISC-V. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Sean Anderson <seanga2@gmail.com> Reviewed-by: Bin Meng <bin.meng@windriver.com> 2020-07-28 15:52:23 +00:00			`#endif`
clk: Add K210 pll support This pll code is primarily based on the code from the kendryte standalone sdk in lib/drivers/sysctl.c. k210_pll_calc_config is roughly analogous to the algorithm used to set the pll frequency, but it has been completely rewritten to be fixed-point based. Signed-off-by: Sean Anderson <seanga2@gmail.com> CC: Lukasz Majewski <lukma@denx.de> 2020-06-24 10:41:09 +00:00			`#endif /* K210_PLL_H */`