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| author | Strahinja Jankovic <strahinjapjankovic@gmail.com> | 2022-12-26 23:03:02 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2023-01-12 16:50:19 +0000 |
| commit | bb9271cadb0d0b32d566619606fedc9c08f612cc (patch) | |
| tree | 7ee654e350ec42e93b35a96d8b09489aae38f740 /hw/arm | |
| parent | 28057e490b970390e3a94fce1a36098ddeb0026d (diff) | |
| download | qemu-bb9271cadb0d0b32d566619606fedc9c08f612cc.zip qemu-bb9271cadb0d0b32d566619606fedc9c08f612cc.tar.gz qemu-bb9271cadb0d0b32d566619606fedc9c08f612cc.tar.bz2 | |
hw/arm: Allwinner A10 enable SPL load from MMC
This patch enables copying of SPL from MMC if `-kernel` parameter is not
passed when starting QEMU. SPL is copied to SRAM_A.
The approach is reused from Allwinner H3 implementation.
Tested with Armbian and custom Yocto image.
Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20221226220303.14420-7-strahinja.p.jankovic@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm')
| -rw-r--r-- | hw/arm/allwinner-a10.c | 18 | ||||
| -rw-r--r-- | hw/arm/cubieboard.c | 5 |
2 files changed, 23 insertions, 0 deletions
diff --git a/hw/arm/allwinner-a10.c b/hw/arm/allwinner-a10.c index 17e4397..dc1966f 100644 --- a/hw/arm/allwinner-a10.c +++ b/hw/arm/allwinner-a10.c @@ -24,7 +24,9 @@ #include "sysemu/sysemu.h" #include "hw/boards.h" #include "hw/usb/hcd-ohci.h" +#include "hw/loader.h" +#define AW_A10_SRAM_A_BASE 0x00000000 #define AW_A10_DRAMC_BASE 0x01c01000 #define AW_A10_MMC0_BASE 0x01c0f000 #define AW_A10_CCM_BASE 0x01c20000 @@ -38,6 +40,22 @@ #define AW_A10_RTC_BASE 0x01c20d00 #define AW_A10_I2C0_BASE 0x01c2ac00 +void allwinner_a10_bootrom_setup(AwA10State *s, BlockBackend *blk) +{ + const int64_t rom_size = 32 * KiB; + g_autofree uint8_t *buffer = g_new0(uint8_t, rom_size); + + if (blk_pread(blk, 8 * KiB, rom_size, buffer, 0) < 0) { + error_setg(&error_fatal, "%s: failed to read BlockBackend data", + __func__); + return; + } + + rom_add_blob("allwinner-a10.bootrom", buffer, rom_size, + rom_size, AW_A10_SRAM_A_BASE, + NULL, NULL, NULL, NULL, false); +} + static void aw_a10_init(Object *obj) { AwA10State *s = AW_A10(obj); diff --git a/hw/arm/cubieboard.c b/hw/arm/cubieboard.c index dca2576..71a7df1 100644 --- a/hw/arm/cubieboard.c +++ b/hw/arm/cubieboard.c @@ -99,6 +99,11 @@ static void cubieboard_init(MachineState *machine) memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE, machine->ram); + /* Load target kernel or start using BootROM */ + if (!machine->kernel_filename && blk && blk_is_available(blk)) { + /* Use Boot ROM to copy data from SD card to SRAM */ + allwinner_a10_bootrom_setup(a10, blk); + } /* TODO create and connect IDE devices for ide_drive_get() */ cubieboard_binfo.ram_size = machine->ram_size; |