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3712367c48
TNETV107X is a Texas Instruments SoC based on an ARM1176 core, and with a bunch on on-chip integrated peripherals. This is an initial commit with basic functionality, more commits with drivers, etc. to follow. Signed-off-by: Cyril Chemparathy <cyril@ti.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/*
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* TNETV107X: Clock APIs
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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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; either version 2 of the License, or
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* (at your option) any later version.
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ASM_ARCH_CLOCK_H
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#define __ASM_ARCH_CLOCK_H
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#define PSC_MDCTL_NEXT_SWRSTDISABLE 0x0
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#define PSC_MDCTL_NEXT_SYNCRST 0x1
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#define PSC_MDCTL_NEXT_DISABLE 0x2
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#define PSC_MDCTL_NEXT_ENABLE 0x3
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#define CONFIG_SYS_INT_OSC_FREQ 24000000
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#ifndef __ASSEMBLY__
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/* PLL identifiers */
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enum pll_type_e {
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SYS_PLL,
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TDM_PLL,
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ETH_PLL
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};
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/* PLL configuration data */
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struct pll_init_data {
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int pll;
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int internal_osc;
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unsigned long pll_freq;
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unsigned long div_freq[10];
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};
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void init_plls(int num_pll, struct pll_init_data *config);
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int lpsc_status(unsigned int mod);
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void lpsc_control(int mod, unsigned long state, int lrstz);
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unsigned long clk_get_rate(unsigned int clk);
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unsigned long clk_round_rate(unsigned int clk, unsigned long hz);
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int clk_set_rate(unsigned int clk, unsigned long hz);
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static inline void clk_enable(unsigned int mod)
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{
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lpsc_control(mod, PSC_MDCTL_NEXT_ENABLE, -1);
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}
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static inline void clk_disable(unsigned int mod)
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{
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lpsc_control(mod, PSC_MDCTL_NEXT_DISABLE, -1);
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}
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#endif
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#endif
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