diff mbox series

[PULL,16/19] hw/ppc: e500: Use a macro for the platform clock frequency

Message ID 20210210061735.304384-17-david@gibson.dropbear.id.au
State New
Headers show
Series [PULL,01/19] spapr.c: use g_auto* with 'nodename' in CPU DT functions | expand

Commit Message

David Gibson Feb. 10, 2021, 6:17 a.m. UTC 
From: Bin Meng <bin.meng@windriver.com>

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>
---
 hw/ppc/e500.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
diff mbox series

Patch

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) {