87e79af074
The magic constant configures the following options: * 28:27: Configure DRAM size as 256MB * 26:24: DDR3 SDRAM with CL = 6, CWL = 5 * 23: Configure 24/48MHz CLKIN * 22: Disable GPIOE pass-through mode * 21: Disable GPIOD pass-through mode * 20: Enable LPC decode of SuperIO 0x2E/0x4E addresses * 19: Disable ACPI * 18: Configure 48MHz CLKIN * 17: Disable BMC 2nd boot watchdog timer * 16: Decode SuperIO address 0x2E * 15: VGA Class Code * 14: Enable LPC dedicated reset pin * 13:12: Enable SPI Master and SPI Slave to AHB Bridge * 11:10: Select CPU:AHB ratio = 2:1 * 9:8: Select 384MHz H-PLL * 7: Configure MAC#2 for RMII/NCSI * 6: Configure MAC#1 for RMII/NCSI * 5: No VGA BIOS ROM * 4: Boot using 32bit SPI address mode * 3:2: Select 16MB VGA memory * 1:0: Boot from SPI flash memory Signed-off-by: Andrew Jeffery <andrew@aj.id.au> Reviewed-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Cédric Le Goater <clg@kaod.org> Message-id: 1466744305-23163-4-git-send-email-andrew@aj.id.au Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
/*
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* OpenPOWER Palmetto BMC
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*
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* Andrew Jeffery <andrew@aj.id.au>
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*
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* Copyright 2016 IBM Corp.
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*
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* This code is licensed under the GPL version 2 or later. See
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* the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "qemu-common.h"
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#include "cpu.h"
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#include "exec/address-spaces.h"
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#include "hw/arm/arm.h"
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#include "hw/arm/ast2400.h"
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#include "hw/boards.h"
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#include "qemu/log.h"
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static struct arm_boot_info palmetto_bmc_binfo = {
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.loader_start = AST2400_SDRAM_BASE,
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.board_id = 0,
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.nb_cpus = 1,
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};
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typedef struct PalmettoBMCState {
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AST2400State soc;
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MemoryRegion ram;
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} PalmettoBMCState;
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static void palmetto_bmc_init(MachineState *machine)
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{
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PalmettoBMCState *bmc;
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bmc = g_new0(PalmettoBMCState, 1);
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object_initialize(&bmc->soc, (sizeof(bmc->soc)), TYPE_AST2400);
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object_property_add_child(OBJECT(machine), "soc", OBJECT(&bmc->soc),
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&error_abort);
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memory_region_allocate_system_memory(&bmc->ram, NULL, "ram", ram_size);
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memory_region_add_subregion(get_system_memory(), AST2400_SDRAM_BASE,
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&bmc->ram);
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object_property_add_const_link(OBJECT(&bmc->soc), "ram", OBJECT(&bmc->ram),
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&error_abort);
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object_property_set_int(OBJECT(&bmc->soc), 0x120CE416, "hw-strap1",
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&error_abort);
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object_property_set_bool(OBJECT(&bmc->soc), true, "realized",
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&error_abort);
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palmetto_bmc_binfo.kernel_filename = machine->kernel_filename;
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palmetto_bmc_binfo.initrd_filename = machine->initrd_filename;
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palmetto_bmc_binfo.kernel_cmdline = machine->kernel_cmdline;
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palmetto_bmc_binfo.ram_size = ram_size;
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arm_load_kernel(ARM_CPU(first_cpu), &palmetto_bmc_binfo);
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}
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static void palmetto_bmc_machine_init(MachineClass *mc)
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{
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mc->desc = "OpenPOWER Palmetto BMC";
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mc->init = palmetto_bmc_init;
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mc->max_cpus = 1;
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mc->no_sdcard = 1;
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mc->no_floppy = 1;
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mc->no_cdrom = 1;
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mc->no_sdcard = 1;
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mc->no_parallel = 1;
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}
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DEFINE_MACHINE("palmetto-bmc", palmetto_bmc_machine_init);
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