mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

hw/arm: versal-virt: Add support for SD

Browse Source 
Add support for SD.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Message-id: 20200427181649.26851-11-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Edgar E. Iglesias 2020-04-27 20:16:48 +02:00 committed by Peter Maydell
parent eb1221c52d
commit 3afec85c2e
1 changed files with 46 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
hw/arm/xlnx-versal-virt.c
View File

@ -20,6 +20,7 @@
#include "hw/arm/sysbus-fdt.h"
#include "hw/arm/fdt.h"
#include "cpu.h"
#include "hw/qdev-properties.h"
#include "hw/arm/xlnx-versal.h"
#define TYPE_XLNX_VERSAL_VIRT_MACHINE MACHINE_TYPE_NAME("xlnx-versal-virt")
@ -256,6 +257,32 @@ static void fdt_add_zdma_nodes(VersalVirt *s)
}
}
static void fdt_add_sd_nodes(VersalVirt *s)
{
const char clocknames[] = "clk_xin\0clk_ahb";
const char compat[] = "arasan,sdhci-8.9a";
int i;
for (i = ARRAY_SIZE(s->soc.pmc.iou.sd) - 1; i >= 0; i--) {
uint64_t addr = MM_PMC_SD0 + MM_PMC_SD0_SIZE * i;
char *name = g_strdup_printf("/sdhci@%" PRIx64, addr);
qemu_fdt_add_subnode(s->fdt, name);
qemu_fdt_setprop_cells(s->fdt, name, "clocks",
s->phandle.clk_25Mhz, s->phandle.clk_25Mhz);
qemu_fdt_setprop(s->fdt, name, "clock-names",
clocknames, sizeof(clocknames));
qemu_fdt_setprop_cells(s->fdt, name, "interrupts",
GIC_FDT_IRQ_TYPE_SPI, VERSAL_SD0_IRQ_0 + i * 2,
GIC_FDT_IRQ_FLAGS_LEVEL_HI);
qemu_fdt_setprop_sized_cells(s->fdt, name, "reg",
2, addr, 2, MM_PMC_SD0_SIZE);
qemu_fdt_setprop(s->fdt, name, "compatible", compat, sizeof(compat));
g_free(name);
}
}
static void fdt_nop_memory_nodes(void *fdt, Error **errp)
{
Error *err = NULL;
@ -411,10 +438,23 @@ static void create_virtio_regions(VersalVirt *s)
}
}
static void sd_plugin_card(SDHCIState *sd, DriveInfo *di)
{
BlockBackend *blk = di ? blk_by_legacy_dinfo(di) : NULL;
DeviceState *card;
card = qdev_create(qdev_get_child_bus(DEVICE(sd), "sd-bus"), TYPE_SD_CARD);
object_property_add_child(OBJECT(sd), "card[*]", OBJECT(card),
&error_fatal);
qdev_prop_set_drive(card, "drive", blk, &error_fatal);
object_property_set_bool(OBJECT(card), true, "realized", &error_fatal);
}
static void versal_virt_init(MachineState *machine)
{
VersalVirt *s = XLNX_VERSAL_VIRT_MACHINE(machine);
int psci_conduit = QEMU_PSCI_CONDUIT_DISABLED;
int i;
/*
* If the user provides an Operating System to be loaded, we expect them
@ -455,6 +495,7 @@ static void versal_virt_init(MachineState *machine)
fdt_add_gic_nodes(s);
fdt_add_timer_nodes(s);
fdt_add_zdma_nodes(s);
fdt_add_sd_nodes(s);
fdt_add_cpu_nodes(s, psci_conduit);
fdt_add_clk_node(s, "/clk125", 125000000, s->phandle.clk_125Mhz);
fdt_add_clk_node(s, "/clk25", 25000000, s->phandle.clk_25Mhz);
@ -464,6 +505,11 @@ static void versal_virt_init(MachineState *machine)
memory_region_add_subregion_overlap(get_system_memory(),
0, &s->soc.fpd.apu.mr, 0);
/* Plugin SD cards. */
for (i = 0; i < ARRAY_SIZE(s->soc.pmc.iou.sd); i++) {
sd_plugin_card(&s->soc.pmc.iou.sd[i], drive_get_next(IF_SD));
}
s->binfo.ram_size = machine->ram_size;
s->binfo.loader_start = 0x0;
s->binfo.get_dtb = versal_virt_get_dtb;