b84a9482a3
Store a reference on the AspeedSMC class under the flash object and use it when accessing the flash contents. Avoiding the class cast checkers in these hot paths improves performance by 10% when running the aspeed avocado tests. Message-Id: <20220923084803.498337-7-clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
119 lines
3.3 KiB
C
119 lines
3.3 KiB
C
/*
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* ASPEED AST2400 SMC Controller (SPI Flash Only)
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*
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* Copyright (C) 2016 IBM Corp.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef ASPEED_SMC_H
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#define ASPEED_SMC_H
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#include "hw/ssi/ssi.h"
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#include "hw/sysbus.h"
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#include "qom/object.h"
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struct AspeedSMCState;
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struct AspeedSMCClass;
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#define TYPE_ASPEED_SMC_FLASH "aspeed.smc.flash"
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OBJECT_DECLARE_SIMPLE_TYPE(AspeedSMCFlash, ASPEED_SMC_FLASH)
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struct AspeedSMCFlash {
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SysBusDevice parent_obj;
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struct AspeedSMCState *controller;
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struct AspeedSMCClass *asc;
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uint8_t cs;
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MemoryRegion mmio;
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};
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#define TYPE_ASPEED_SMC "aspeed.smc"
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OBJECT_DECLARE_TYPE(AspeedSMCState, AspeedSMCClass, ASPEED_SMC)
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#define ASPEED_SMC_R_MAX (0x100 / 4)
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#define ASPEED_SMC_CS_MAX 5
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struct AspeedSMCState {
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SysBusDevice parent_obj;
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MemoryRegion mmio;
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MemoryRegion mmio_flash_container;
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MemoryRegion mmio_flash;
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qemu_irq irq;
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qemu_irq *cs_lines;
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bool inject_failure;
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SSIBus *spi;
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uint32_t regs[ASPEED_SMC_R_MAX];
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/* depends on the controller type */
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uint8_t r_conf;
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uint8_t r_ce_ctrl;
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uint8_t r_ctrl0;
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uint8_t r_timings;
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uint8_t conf_enable_w0;
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AddressSpace flash_as;
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MemoryRegion *dram_mr;
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AddressSpace dram_as;
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AspeedSMCFlash flashes[ASPEED_SMC_CS_MAX];
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uint8_t snoop_index;
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uint8_t snoop_dummies;
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};
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typedef struct AspeedSegments {
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hwaddr addr;
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uint32_t size;
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} AspeedSegments;
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struct AspeedSMCClass {
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SysBusDeviceClass parent_obj;
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uint8_t r_conf;
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uint8_t r_ce_ctrl;
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uint8_t r_ctrl0;
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uint8_t r_timings;
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uint8_t nregs_timings;
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uint8_t conf_enable_w0;
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uint8_t cs_num_max;
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const uint32_t *resets;
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const AspeedSegments *segments;
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uint32_t segment_addr_mask;
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hwaddr flash_window_base;
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uint32_t flash_window_size;
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uint32_t features;
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hwaddr dma_flash_mask;
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hwaddr dma_dram_mask;
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uint32_t nregs;
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uint32_t (*segment_to_reg)(const AspeedSMCState *s,
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const AspeedSegments *seg);
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void (*reg_to_segment)(const AspeedSMCState *s, uint32_t reg,
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AspeedSegments *seg);
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void (*dma_ctrl)(AspeedSMCState *s, uint32_t value);
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int (*addr_width)(const AspeedSMCState *s);
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};
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#endif /* ASPEED_SMC_H */
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