08dc357146
When starting the Exynos5250 port, a lot of unneeded u-boot code was imported. This is an attempt to get rid of a lot of unneeded code before the port is used as a basis for further ARM ports. There is a lot more that can be done, including cleaning up the 5250's Kconfig file. Change-Id: I2d88676c436eea4b21bcb62f40018af9fabb3016 Signed-off-by: Stefan Reinauer <reinauer@google.com> Signed-off-by: Gabe Black <gabeblack@chromium.org> Reviewed-on: http://review.coreboot.org/3642 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2009 Samsung Electronics
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef CPU_SAMSUNG_EXYNOS5250_PWM_H
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#define CPU_SAMSUNG_EXYNOS5250_PWM_H
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#define PRESCALER_0 (8 - 1) /* prescaler of timer 0, 1 */
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#define PRESCALER_1 (16 - 1) /* prescaler of timer 2, 3, 4 */
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/* Divider MUX */
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#define MUX_DIV_1 0 /* 1/1 period */
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#define MUX_DIV_2 1 /* 1/2 period */
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#define MUX_DIV_4 2 /* 1/4 period */
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#define MUX_DIV_8 3 /* 1/8 period */
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#define MUX_DIV_16 4 /* 1/16 period */
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#define MUX_DIV_SHIFT(x) (x * 4)
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#define TCON_OFFSET(x) ((x + 1) * (!!x) << 2)
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#define TCON_START(x) (1 << TCON_OFFSET(x))
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#define TCON_UPDATE(x) (1 << (TCON_OFFSET(x) + 1))
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#define TCON_INVERTER(x) (1 << (TCON_OFFSET(x) + 2))
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#define TCON_AUTO_RELOAD(x) (1 << (TCON_OFFSET(x) + 3))
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#define TCON4_AUTO_RELOAD (1 << 22)
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struct s5p_timer {
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unsigned int tcfg0;
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unsigned int tcfg1;
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unsigned int tcon;
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unsigned int tcntb0;
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unsigned int tcmpb0;
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unsigned int tcnto0;
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unsigned int tcntb1;
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unsigned int tcmpb1;
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unsigned int tcnto1;
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unsigned int tcntb2;
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unsigned int tcmpb2;
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unsigned int tcnto2;
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unsigned int tcntb3;
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unsigned int tcmpb3;
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unsigned int tcnto3;
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unsigned int tcntb4;
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unsigned int tcnto4;
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unsigned int tintcstat;
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};
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int pwm_config(int pwm_id, int duty_ns, int period_ns);
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int pwm_check_enabled(int pwm_id);
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void pwm_disable(int pwm_id);
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int pwm_enable(int pwm_id);
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int pwm_init(int pwm_id, int div, int invert);
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#endif
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