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aspeed: Add eMMC Boot Controller stub

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Guest code (u-boot) pokes at this on boot. No functionality is required
for guest code to work correctly, but it helps to document the region
being read from.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220318092211.723938-1-joel@jms.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Joel Stanley 2022-05-02 17:03:02 +02:00 committed by Cédric Le Goater
parent c2651cf45d
commit fe31a2ecf0
2 changed files with 7 additions and 0 deletions
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6
hw/arm/aspeed_ast2600.c
View File

@ -48,6 +48,7 @@ static const hwaddr aspeed_soc_ast2600_memmap[] = {
[ASPEED_DEV_ADC] = 0x1E6E9000, [ASPEED_DEV_ADC] = 0x1E6E9000,
[ASPEED_DEV_DP] = 0x1E6EB000, [ASPEED_DEV_DP] = 0x1E6EB000,
[ASPEED_DEV_SBC] = 0x1E6F2000, [ASPEED_DEV_SBC] = 0x1E6F2000,
[ASPEED_DEV_EMMC_BC] = 0x1E6f5000,
[ASPEED_DEV_VIDEO] = 0x1E700000, [ASPEED_DEV_VIDEO] = 0x1E700000,
[ASPEED_DEV_SDHCI] = 0x1E740000, [ASPEED_DEV_SDHCI] = 0x1E740000,
[ASPEED_DEV_EMMC] = 0x1E750000, [ASPEED_DEV_EMMC] = 0x1E750000,
@ -257,6 +258,11 @@ static void aspeed_soc_ast2600_realize(DeviceState *dev, Error **errp)
create_unimplemented_device("aspeed.video", sc->memmap[ASPEED_DEV_VIDEO], create_unimplemented_device("aspeed.video", sc->memmap[ASPEED_DEV_VIDEO],
0x1000); 0x1000);
/* eMMC Boot Controller stub */
create_unimplemented_device("aspeed.emmc-boot-controller",
sc->memmap[ASPEED_DEV_EMMC_BC],
0x1000);
/* CPU */ /* CPU */
for (i = 0; i < sc->num_cpus; i++) { for (i = 0; i < sc->num_cpus; i++) {
if (sc->num_cpus > 1) { if (sc->num_cpus > 1) {

1
include/hw/arm/aspeed_soc.h
View File

@ -112,6 +112,7 @@ enum {
ASPEED_DEV_SCU, ASPEED_DEV_SCU,
ASPEED_DEV_ADC, ASPEED_DEV_ADC,
ASPEED_DEV_SBC, ASPEED_DEV_SBC,
ASPEED_DEV_EMMC_BC,
ASPEED_DEV_VIDEO, ASPEED_DEV_VIDEO,
ASPEED_DEV_SRAM, ASPEED_DEV_SRAM,
ASPEED_DEV_SDHCI, ASPEED_DEV_SDHCI,