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hw/ppc: e500: Use a macro for the platform clock frequency 

At present the platform clock frequency is using a magic number.
Convert it to a macro and use it everywhere.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

Message-Id: <1612362288-22216-1-git-send-email-bmeng.cn@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Bin Meng 2021-02-03 22:24:47 +08:00 committed by David Gibson
parent dd7ef911b3
commit 0c36ab7114
1 changed files with 5 additions and 3 deletions
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8
hw/ppc/e500.c
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@ -74,6 +74,8 @@
#define MPC8544_I2C_IRQ 43
#define RTC_REGS_OFFSET 0x68
#define PLATFORM_CLK_FREQ_HZ (400 * 1000 * 1000)
struct boot_info
{
uint32_t dt_base;
@ -320,8 +322,8 @@ static int ppce500_load_device_tree(PPCE500MachineState *pms,
int fdt_size;
void *fdt;
uint8_t hypercall[16];
uint32_t clock_freq = 400000000;
uint32_t tb_freq = 400000000;
uint32_t clock_freq = PLATFORM_CLK_FREQ_HZ;
uint32_t tb_freq = PLATFORM_CLK_FREQ_HZ;
int i;
char compatible_sb[] = "fsl,mpc8544-immr\0simple-bus";
char *soc;
@ -890,7 +892,7 @@ void ppce500_init(MachineState *machine)
env->spr_cb[SPR_BOOKE_PIR].default_value = cs->cpu_index = i;
env->mpic_iack = pmc->ccsrbar_base + MPC8544_MPIC_REGS_OFFSET + 0xa0;
ppc_booke_timers_init(cpu, 400000000, PPC_TIMER_E500);
ppc_booke_timers_init(cpu, PLATFORM_CLK_FREQ_HZ, PPC_TIMER_E500);
/* Register reset handler */
if (!i) {