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hw/arm/mps2-tz: Make SYSCLK frequency board-specific

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The AN524 has a different SYSCLK frequency from the AN505 and AN521;
make the SYSCLK frequency a field in the MPS2TZMachineClass rather
than a compile-time constant so we can support the AN524.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210215115138.20465-2-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-02-15 11:51:15 +00:00
parent 7713fff47d
commit a3e24690b8
1 changed files with 6 additions and 4 deletions
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10
hw/arm/mps2-tz.c
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@ -76,6 +76,7 @@ struct MPS2TZMachineClass {
MachineClass parent;
MPS2TZFPGAType fpga_type;
uint32_t scc_id;
uint32_t sysclk_frq; /* Main SYSCLK frequency in Hz */
const char *armsse_type;
};
@ -111,8 +112,6 @@ struct MPS2TZMachineState {
OBJECT_DECLARE_TYPE(MPS2TZMachineState, MPS2TZMachineClass, MPS2TZ_MACHINE)
/* Main SYSCLK frequency in Hz */
#define SYSCLK_FRQ 20000000
/* Slow 32Khz S32KCLK frequency in Hz */
#define S32KCLK_FRQ (32 * 1000)
@ -186,6 +185,7 @@ static MemoryRegion *make_unimp_dev(MPS2TZMachineState *mms,
static MemoryRegion *make_uart(MPS2TZMachineState *mms, void *opaque,
const char *name, hwaddr size)
{
MPS2TZMachineClass *mmc = MPS2TZ_MACHINE_GET_CLASS(mms);
CMSDKAPBUART *uart = opaque;
int i = uart - &mms->uart[0];
int rxirqno = i * 2;
@ -196,7 +196,7 @@ static MemoryRegion *make_uart(MPS2TZMachineState *mms, void *opaque,
object_initialize_child(OBJECT(mms), name, uart, TYPE_CMSDK_APB_UART);
qdev_prop_set_chr(DEVICE(uart), "chardev", serial_hd(i));
qdev_prop_set_uint32(DEVICE(uart), "pclk-frq", SYSCLK_FRQ);
qdev_prop_set_uint32(DEVICE(uart), "pclk-frq", mmc->sysclk_frq);
sysbus_realize(SYS_BUS_DEVICE(uart), &error_fatal);
s = SYS_BUS_DEVICE(uart);
sysbus_connect_irq(s, 0, get_sse_irq_in(mms, txirqno));
@ -403,7 +403,7 @@ static void mps2tz_common_init(MachineState *machine)
/* These clocks don't need migration because they are fixed-frequency */
mms->sysclk = clock_new(OBJECT(machine), "SYSCLK");
clock_set_hz(mms->sysclk, SYSCLK_FRQ);
clock_set_hz(mms->sysclk, mmc->sysclk_frq);
mms->s32kclk = clock_new(OBJECT(machine), "S32KCLK");
clock_set_hz(mms->s32kclk, S32KCLK_FRQ);
@ -670,6 +670,7 @@ static void mps2tz_an505_class_init(ObjectClass *oc, void *data)
mmc->fpga_type = FPGA_AN505;
mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m33");
mmc->scc_id = 0x41045050;
mmc->sysclk_frq = 20 * 1000 * 1000; /* 20MHz */
mmc->armsse_type = TYPE_IOTKIT;
}
@ -685,6 +686,7 @@ static void mps2tz_an521_class_init(ObjectClass *oc, void *data)
mmc->fpga_type = FPGA_AN521;
mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m33");
mmc->scc_id = 0x41045210;
mmc->sysclk_frq = 20 * 1000 * 1000; /* 20MHz */
mmc->armsse_type = TYPE_SSE200;
}