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//
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//
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// Copyright 2010 TheSeven
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//
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//
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farthen |
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// This file is part of emCORE.
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theseven |
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//
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farthen |
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// emCORE is free software: you can redistribute it and/or
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theseven |
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 2 of the
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// License, or (at your option) any later version.
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//
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farthen |
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// emCORE is distributed in the hope that it will be useful,
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theseven |
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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.
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// See the 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 along
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farthen |
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// with emCORE. If not, see <http://www.gnu.org/licenses/>.
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theseven |
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//
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//
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#include "global.h"
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#include "s5l8720.h"
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theseven |
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uint32_t clockgates_dma[2];
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theseven |
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bool clockgate_get_state(int gate)
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{
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return !(PWRCON(gate >> 5) & (1 << (gate & 0x1f)));
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}
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theseven |
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void clockgate_enable(int gate, bool enable)
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{
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theseven |
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uint32_t mode = enter_critical_section();
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theseven |
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if (enable) PWRCON(gate >> 5) &= ~(1 << (gate & 0x1f));
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else PWRCON(gate >> 5) |= 1 << (gate & 0x1f);
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theseven |
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leave_critical_section(mode);
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theseven |
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}
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theseven |
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void clockgate_dma(int dmac, int chan, bool enable)
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{
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uint32_t mode = enter_critical_section();
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uint32_t old = clockgates_dma[dmac];
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if (enable) clockgates_dma[dmac] |= 1 << chan;
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else clockgates_dma[dmac] &= ~(1 << chan);
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//TODO: Figure out DMAC clock gates
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// if (clockgates_dma[dmac] != old)
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// clockgate_enable(CLOCKGATE_DMA(dmac), true);
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leave_critical_section(mode);
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}
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