Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Andrew Jeffery <andrew@aj.id.au> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1473438177-26079-11-git-send-email-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
188 lines
6.1 KiB
C
188 lines
6.1 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/aspeed_soc.h"
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#include "hw/boards.h"
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#include "qemu/log.h"
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#include "sysemu/block-backend.h"
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#include "sysemu/blockdev.h"
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static struct arm_boot_info aspeed_board_binfo = {
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.board_id = -1, /* device-tree-only board */
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.nb_cpus = 1,
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};
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typedef struct AspeedBoardState {
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AspeedSoCState soc;
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MemoryRegion ram;
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} AspeedBoardState;
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typedef struct AspeedBoardConfig {
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const char *soc_name;
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uint32_t hw_strap1;
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} AspeedBoardConfig;
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enum {
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PALMETTO_BMC,
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AST2500_EVB,
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};
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#define PALMETTO_BMC_HW_STRAP1 ( \
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SCU_AST2400_HW_STRAP_DRAM_SIZE(DRAM_SIZE_256MB) | \
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SCU_AST2400_HW_STRAP_DRAM_CONFIG(2 /* DDR3 with CL=6, CWL=5 */) | \
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SCU_AST2400_HW_STRAP_ACPI_DIS | \
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SCU_AST2400_HW_STRAP_SET_CLK_SOURCE(AST2400_CLK_48M_IN) | \
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SCU_HW_STRAP_VGA_CLASS_CODE | \
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SCU_HW_STRAP_LPC_RESET_PIN | \
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SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_M_S_EN) | \
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SCU_AST2400_HW_STRAP_SET_CPU_AHB_RATIO(AST2400_CPU_AHB_RATIO_2_1) | \
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SCU_HW_STRAP_SPI_WIDTH | \
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SCU_HW_STRAP_VGA_SIZE_SET(VGA_16M_DRAM) | \
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SCU_AST2400_HW_STRAP_BOOT_MODE(AST2400_SPI_BOOT))
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#define AST2500_EVB_HW_STRAP1 (( \
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AST2500_HW_STRAP1_DEFAULTS | \
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SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE | \
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SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE | \
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SCU_AST2500_HW_STRAP_UART_DEBUG | \
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SCU_AST2500_HW_STRAP_DDR4_ENABLE | \
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SCU_HW_STRAP_MAC1_RGMII | \
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SCU_HW_STRAP_MAC0_RGMII) & \
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~SCU_HW_STRAP_2ND_BOOT_WDT)
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static const AspeedBoardConfig aspeed_boards[] = {
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[PALMETTO_BMC] = { "ast2400-a0", PALMETTO_BMC_HW_STRAP1 },
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[AST2500_EVB] = { "ast2500-a1", AST2500_EVB_HW_STRAP1 },
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};
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static void aspeed_board_init_flashes(AspeedSMCState *s, const char *flashtype,
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Error **errp)
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{
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int i ;
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for (i = 0; i < s->num_cs; ++i) {
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AspeedSMCFlash *fl = &s->flashes[i];
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DriveInfo *dinfo = drive_get_next(IF_MTD);
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qemu_irq cs_line;
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/*
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* FIXME: check that we are not using a flash module exceeding
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* the controller segment size
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*/
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fl->flash = ssi_create_slave_no_init(s->spi, flashtype);
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if (dinfo) {
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qdev_prop_set_drive(fl->flash, "drive", blk_by_legacy_dinfo(dinfo),
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errp);
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}
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qdev_init_nofail(fl->flash);
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cs_line = qdev_get_gpio_in_named(fl->flash, SSI_GPIO_CS, 0);
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sysbus_connect_irq(SYS_BUS_DEVICE(s), i + 1, cs_line);
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}
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}
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static void aspeed_board_init(MachineState *machine,
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const AspeedBoardConfig *cfg)
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{
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AspeedBoardState *bmc;
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AspeedSoCClass *sc;
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bmc = g_new0(AspeedBoardState, 1);
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object_initialize(&bmc->soc, (sizeof(bmc->soc)), cfg->soc_name);
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object_property_add_child(OBJECT(machine), "soc", OBJECT(&bmc->soc),
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&error_abort);
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sc = ASPEED_SOC_GET_CLASS(&bmc->soc);
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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(), sc->info->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), cfg->hw_strap1, "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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aspeed_board_init_flashes(&bmc->soc.smc, "n25q256a", &error_abort);
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aspeed_board_init_flashes(&bmc->soc.spi, "mx25l25635e", &error_abort);
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aspeed_board_binfo.kernel_filename = machine->kernel_filename;
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aspeed_board_binfo.initrd_filename = machine->initrd_filename;
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aspeed_board_binfo.kernel_cmdline = machine->kernel_cmdline;
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aspeed_board_binfo.ram_size = ram_size;
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aspeed_board_binfo.loader_start = sc->info->sdram_base;
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arm_load_kernel(ARM_CPU(first_cpu), &aspeed_board_binfo);
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}
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static void palmetto_bmc_init(MachineState *machine)
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{
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aspeed_board_init(machine, &aspeed_boards[PALMETTO_BMC]);
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}
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static void palmetto_bmc_class_init(ObjectClass *oc, void *data)
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{
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MachineClass *mc = MACHINE_CLASS(oc);
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mc->desc = "OpenPOWER Palmetto BMC (ARM926EJ-S)";
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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_parallel = 1;
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}
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static const TypeInfo palmetto_bmc_type = {
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.name = MACHINE_TYPE_NAME("palmetto-bmc"),
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.parent = TYPE_MACHINE,
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.class_init = palmetto_bmc_class_init,
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};
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static void ast2500_evb_init(MachineState *machine)
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{
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aspeed_board_init(machine, &aspeed_boards[AST2500_EVB]);
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}
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static void ast2500_evb_class_init(ObjectClass *oc, void *data)
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{
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MachineClass *mc = MACHINE_CLASS(oc);
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mc->desc = "Aspeed AST2500 EVB (ARM1176)";
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mc->init = ast2500_evb_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_parallel = 1;
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}
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static const TypeInfo ast2500_evb_type = {
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.name = MACHINE_TYPE_NAME("ast2500-evb"),
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.parent = TYPE_MACHINE,
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.class_init = ast2500_evb_class_init,
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};
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static void aspeed_machine_init(void)
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{
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type_register_static(&palmetto_bmc_type);
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type_register_static(&ast2500_evb_type);
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}
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type_init(aspeed_machine_init)
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