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authorBin Meng <bin.meng@windriver.com>2021-02-03 22:24:47 +0800
committerDavid Gibson <david@gibson.dropbear.id.au>2021-02-10 14:50:11 +1100
commit0c36ab7114056caa78471016b8990f983168ff47 (patch)
treeaf370944e8ff0eaba82d1eae337b4076446f23b6 /hw
parentdd7ef911b398d96a7b9f2fb26f741045538d7d9b (diff)
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>
Diffstat (limited to 'hw')
-rw-r--r--hw/ppc/e500.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index c64b5d08bd..c795276668 100644
--- a/hw/ppc/e500.c
+++ b/hw/ppc/e500.c
@@ -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) {