x86: Rename pcat_ to i8254 and i8259 accordingly

Rename pcat_timer.c to i8254.c and pcat_interrupts.c to i8259.c,
to match their header file names (i8254.h and i8259.h).

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>

arch/x86/cpu/interrupts.c

@@ -252,7 +252,7 @@ int interrupt_init(void)
 	/* Just in case... */
 	disable_interrupts();
 
-#ifdef CONFIG_SYS_PCAT_INTERRUPTS
+#ifdef CONFIG_I8259_PIC
 	/* Initialize the master/slave i8259 pic */
 	i8259_init();
 #endif

arch/x86/include/asm/u-boot-x86.h

@@ -29,7 +29,7 @@ typedef void (timer_fnc_t) (void);
 int register_timer_isr (timer_fnc_t *isr_func);
 unsigned long get_tbclk_mhz(void);
 void timer_set_base(uint64_t base);
-int pcat_timer_init(void);
+int i8254_init(void);
 
 /* cpu/.../interrupts.c */
 int cpu_init_interrupts(void);

arch/x86/lib/Makefile

@@ -19,8 +19,8 @@ obj-y	+= lpc-uclass.o
 obj-y	+= mpspec.o
 obj-$(CONFIG_ENABLE_MRC_CACHE) += mrccache.o
 obj-y += cmd_mtrr.o
-obj-$(CONFIG_SYS_PCAT_INTERRUPTS) += pcat_interrupts.o
-obj-$(CONFIG_SYS_PCAT_TIMER) += pcat_timer.o
+obj-$(CONFIG_I8259_PIC) += i8259.o
+obj-$(CONFIG_I8254_TIMER) += i8254.o
 ifndef CONFIG_DM_PCI
 obj-$(CONFIG_PCI) += pci_type1.o
 endif

arch/x86/lib/i8254.c

@@ -12,7 +12,7 @@
 #define TIMER1_VALUE	18	/* 15.6us */
 #define TIMER2_VALUE	0x0a8e	/* 440Hz */
 
-int pcat_timer_init(void)
+int i8254_init(void)
 {
 	/*
 	 * Initialize counter 1, used to refresh request signal.

arch/x86/lib/tsc_timer.c

@@ -368,9 +368,9 @@ void __udelay(unsigned long usec)
 
 int timer_init(void)
 {
-#ifdef CONFIG_SYS_PCAT_TIMER
-	/* Set up the PCAT timer if required */
-	pcat_timer_init();
+#ifdef CONFIG_I8254_TIMER
+	/* Set up the i8254 timer if required */
+	i8254_init();
 #endif
 
 	return 0;

include/configs/x86-common.h

@@ -155,8 +155,8 @@
  */
 
 #define CONFIG_SYS_X86_TSC_TIMER
-#define CONFIG_SYS_PCAT_INTERRUPTS
-#define CONFIG_SYS_PCAT_TIMER
+#define CONFIG_I8259_PIC
+#define CONFIG_I8254_TIMER
 
 #define CONFIG_SYS_STACK_SIZE			(32 * 1024)
 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_TEXT_BASE