mirror of
https://github.com/dingusdev/dingusppc.git
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63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
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/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-23 divingkatae and maximum
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(theweirdo) spatium
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(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/** DEC 21154 PCI-to-PCI bridge definitions. */
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#ifndef DEC_P2P_H
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#define DEC_P2P_H
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#include <devices/common/pci/pcibridge.h>
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#include <cinttypes>
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#include <string>
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enum {
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CHIP_CTRL = 0x40,
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PSERR_EVENT_DIS = 0x64,
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SEC_CLK_CTRL = 0x68,
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};
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class DecPciBridge : public PCIBridge {
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public:
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DecPciBridge(std::string name);
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~DecPciBridge() = default;
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static std::unique_ptr<HWComponent> create() {
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return std::unique_ptr<DecPciBridge>(new DecPciBridge("DEC21154"));
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}
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// PCIDevice methods
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uint32_t pci_cfg_read(uint32_t reg_offs, AccessDetails &details);
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void pci_cfg_write(uint32_t reg_offs, uint32_t value, AccessDetails &details);
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private:
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uint8_t chip_ctrl = 0;
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uint8_t diag_ctrl = 0;
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uint16_t arb_ctrl = 0x0200;
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uint8_t pserr_event_dis = 0;
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uint8_t gpio_out_data = 0;
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uint8_t gpio_out_en = 0;
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uint8_t gpio_in_data = 0;
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uint16_t sec_clock_ctrl = 0;
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};
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#endif // DEC_P2P_H
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