[PATCH v2 5/8] aspeed: Tune eMMC device properties to reflect HW strapping

["Cédric Le Goater" <clg@redhat.com>]

From: Cédric Le Goater <clg@kaod.org>

When the boot-from-eMMC HW strapping bit is set, use the 'boot-config'
property to set the boot config register to boot from the first boot
area partition of the eMMC device. Also set the boot partition size
of the device.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Tested-by: Andrew Jeffery <andrew@codeconstruct.com.au>
---
 hw/arm/aspeed.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
index 756deb91efd1..bc4ca1754213 100644
--- a/hw/arm/aspeed.c
+++ b/hw/arm/aspeed.c
@@ -327,7 +327,8 @@ void aspeed_board_init_flashes(AspeedSMCState *s, const char *flashtype,
     }
 }
 
-static void sdhci_attach_drive(SDHCIState *sdhci, DriveInfo *dinfo, bool emmc)
+static void sdhci_attach_drive(SDHCIState *sdhci, DriveInfo *dinfo, bool emmc,
+                               bool boot_emmc)
 {
         DeviceState *card;
 
@@ -335,6 +336,11 @@ static void sdhci_attach_drive(SDHCIState *sdhci, DriveInfo *dinfo, bool emmc)
             return;
         }
         card = qdev_new(emmc ? TYPE_EMMC : TYPE_SD_CARD);
+        if (emmc) {
+            qdev_prop_set_uint64(card, "boot-partition-size", 1 * MiB);
+            qdev_prop_set_uint8(card, "boot-config",
+                                boot_emmc ? 0x1 << 3 : 0x0);
+        }
         qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo),
                                 &error_fatal);
         qdev_realize_and_unref(card,
@@ -365,6 +371,7 @@ static void aspeed_machine_init(MachineState *machine)
     AspeedSoCClass *sc;
     int i;
     DriveInfo *emmc0 = NULL;
+    bool boot_emmc;
 
     bmc->soc = ASPEED_SOC(object_new(amc->soc_name));
     object_property_add_child(OBJECT(machine), "soc", OBJECT(bmc->soc));
@@ -437,19 +444,21 @@ static void aspeed_machine_init(MachineState *machine)
 
     for (i = 0; i < bmc->soc->sdhci.num_slots; i++) {
         sdhci_attach_drive(&bmc->soc->sdhci.slots[i],
-                           drive_get(IF_SD, 0, i), false);
+                           drive_get(IF_SD, 0, i), false, false);
     }
 
+    boot_emmc = sc->boot_from_emmc(bmc->soc);
+
     if (bmc->soc->emmc.num_slots) {
         emmc0 = drive_get(IF_SD, 0, bmc->soc->sdhci.num_slots);
-        sdhci_attach_drive(&bmc->soc->emmc.slots[0], emmc0, true);
+        sdhci_attach_drive(&bmc->soc->emmc.slots[0], emmc0, true, boot_emmc);
     }
 
     if (!bmc->mmio_exec) {
         DeviceState *dev = ssi_get_cs(bmc->soc->fmc.spi, 0);
         BlockBackend *fmc0 = dev ? m25p80_get_blk(dev) : NULL;
 
-        if (fmc0) {
+        if (fmc0 && !boot_emmc) {
             uint64_t rom_size = memory_region_size(&bmc->soc->spi_boot);
             aspeed_install_boot_rom(bmc, fmc0, rom_size);
         } else if (emmc0) {
-- 
2.45.2