1550d72679
The AST2600 SDMC controller is slightly different from its predecessor (DRAM training). Max memory is now 2G on the AST2600. Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-id: 20190925143248.10000-10-clg@kaod.org [clg: - improved commit log - reworked model integration into new object class ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/*
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* ASPEED SDRAM Memory Controller
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*
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* Copyright (C) 2016 IBM Corp.
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*
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* This code is licensed under the GPL version 2 or later. See the
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* COPYING file in the top-level directory.
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*/
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#ifndef ASPEED_SDMC_H
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#define ASPEED_SDMC_H
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#include "hw/sysbus.h"
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#define TYPE_ASPEED_SDMC "aspeed.sdmc"
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#define ASPEED_SDMC(obj) OBJECT_CHECK(AspeedSDMCState, (obj), TYPE_ASPEED_SDMC)
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#define TYPE_ASPEED_2400_SDMC TYPE_ASPEED_SDMC "-ast2400"
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#define TYPE_ASPEED_2500_SDMC TYPE_ASPEED_SDMC "-ast2500"
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#define TYPE_ASPEED_2600_SDMC TYPE_ASPEED_SDMC "-ast2600"
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#define ASPEED_SDMC_NR_REGS (0x174 >> 2)
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typedef struct AspeedSDMCState {
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/*< private >*/
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SysBusDevice parent_obj;
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/*< public >*/
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MemoryRegion iomem;
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uint32_t regs[ASPEED_SDMC_NR_REGS];
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uint64_t ram_size;
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uint64_t max_ram_size;
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} AspeedSDMCState;
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#define ASPEED_SDMC_CLASS(klass) \
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OBJECT_CLASS_CHECK(AspeedSDMCClass, (klass), TYPE_ASPEED_SDMC)
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#define ASPEED_SDMC_GET_CLASS(obj) \
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OBJECT_GET_CLASS(AspeedSDMCClass, (obj), TYPE_ASPEED_SDMC)
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typedef struct AspeedSDMCClass {
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SysBusDeviceClass parent_class;
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uint64_t max_ram_size;
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uint32_t (*compute_conf)(AspeedSDMCState *s, uint32_t data);
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void (*write)(AspeedSDMCState *s, uint32_t reg, uint32_t data);
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} AspeedSDMCClass;
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#endif /* ASPEED_SDMC_H */
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