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hw/misc/bcm2835_property: Replace magic frequency values by definitions

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Signed-off-by: Sergey Kambalin <sergey.kambalin@auriga.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230612223456.33824-4-philmd@linaro.org
Message-Id: <20230531155258.8361-1-sergey.kambalin@auriga.com>
[PMD: Split from bigger patch: 4/4]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Sergey Kambalin 2023-06-13 00:34:55 +02:00 committed by Peter Maydell
parent 2519182666
commit 5dc496363a
2 changed files with 10 additions and 3 deletions
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8
hw/misc/bcm2835_property.c
View File

@ -17,6 +17,7 @@
#include "qemu/log.h"
#include "qemu/module.h"
#include "trace.h"
#include "hw/arm/raspi_platform.h"
/* https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface */
@ -121,13 +122,14 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value)
case RPI_FWREQ_GET_MIN_CLOCK_RATE:
switch (ldl_le_phys(&s->dma_as, value + 12)) {
case RPI_FIRMWARE_EMMC_CLK_ID:
stl_le_phys(&s->dma_as, value + 16, 50000000);
stl_le_phys(&s->dma_as, value + 16, RPI_FIRMWARE_EMMC_CLK_RATE);
break;
case RPI_FIRMWARE_UART_CLK_ID:
stl_le_phys(&s->dma_as, value + 16, 3000000);
stl_le_phys(&s->dma_as, value + 16, RPI_FIRMWARE_UART_CLK_RATE);
break;
default:
stl_le_phys(&s->dma_as, value + 16, 700000000);
stl_le_phys(&s->dma_as, value + 16,
RPI_FIRMWARE_DEFAULT_CLK_RATE);
break;
}
resplen = 8;

5
include/hw/arm/raspi_platform.h
View File

@ -170,4 +170,9 @@
#define INTERRUPT_ILLEGAL_TYPE0 6
#define INTERRUPT_ILLEGAL_TYPE1 7
/* Clock rates */
#define RPI_FIRMWARE_EMMC_CLK_RATE 50000000
#define RPI_FIRMWARE_UART_CLK_RATE 3000000
#define RPI_FIRMWARE_DEFAULT_CLK_RATE 700000000
#endif