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aspeed: Introduce a spi_boot region under the SoC

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The default boot address of the Aspeed SoCs is 0x0. For this reason,
the FMC flash device contents are remapped by HW on the first 256MB of
the address space. In QEMU, this is currently done in the machine init
with the setup of a region alias.

Move this code to the SoC and introduce an extra container to prepare
ground for the boot ROM region which will overlap the FMC flash
remapping.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Cédric Le Goater 2023-03-02 13:57:50 +01:00
parent ef0eb67ec9
commit 5aa281d757
5 changed files with 34 additions and 19 deletions
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5
include/hw/arm/aspeed_soc.h
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@ -58,6 +58,8 @@ struct AspeedSoCState {
MemoryRegion *dram_mr;
MemoryRegion dram_container;
MemoryRegion sram;
MemoryRegion spi_boot_container;
MemoryRegion spi_boot;
AspeedVICState vic;
AspeedRtcState rtc;
AspeedTimerCtrlState timerctrl;
@ -120,6 +122,7 @@ struct AspeedSoCClass {
enum {
ASPEED_DEV_SPI_BOOT,
ASPEED_DEV_IOMEM,
ASPEED_DEV_UART1,
ASPEED_DEV_UART2,
@ -190,6 +193,8 @@ enum {
ASPEED_DEV_JTAG1,
};
#define ASPEED_SOC_SPI_BOOT_ADDR 0x0
qemu_irq aspeed_soc_get_irq(AspeedSoCState *s, int dev);
bool aspeed_soc_uart_realize(AspeedSoCState *s, Error **errp);
void aspeed_soc_uart_set_chr(AspeedSoCState *s, int dev, Chardev *chr);