x86: Convert to use driver model timer

Convert all x86 boards to use driver model tsc timer.

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

arch/x86/cpu/baytrail/valleyview.c

@@ -28,9 +28,6 @@ int arch_cpu_init(void)
 	int ret;
 
 	post_code(POST_CPU_INIT);
-#ifdef CONFIG_SYS_X86_TSC_TIMER
-	timer_set_base(rdtsc());
-#endif
 
 	ret = x86_cpu_init_f();
 	if (ret)

arch/x86/cpu/coreboot/timestamp.c

@@ -27,28 +27,6 @@ static struct timestamp_table *ts_table  __attribute__((section(".data")));
 
 void timestamp_init(void)
 {
-#ifdef CONFIG_SYS_X86_TSC_TIMER
-	uint64_t base_time;
-#endif
-
-	ts_table = lib_sysinfo.tstamp_table;
-#ifdef CONFIG_SYS_X86_TSC_TIMER
-	/*
-	 * If coreboot is built with CONFIG_COLLECT_TIMESTAMPS, use the value
-	 * of base_time in coreboot's timestamp table as our timer base,
-	 * otherwise TSC counter value will be used.
-	 *
-	 * Sometimes even coreboot is built with CONFIG_COLLECT_TIMESTAMPS,
-	 * the value of base_time in the timestamp table is still zero, so
-	 * we must exclude this case too (this is currently seen on booting
-	 * coreboot in qemu)
-	 */
-	if (ts_table && ts_table->base_time)
-		base_time = ts_table->base_time;
-	else
-		base_time = rdtsc();
-	timer_set_base(base_time);
-#endif
 	timestamp_add_now(TS_U_BOOT_INITTED);
 }
 

arch/x86/cpu/efi/efi.c

@@ -10,10 +10,6 @@
 
 int arch_cpu_init(void)
 {
-#ifdef CONFIG_SYS_X86_TSC_TIMER
-	timer_set_base(rdtsc());
-#endif
-
 	return 0;
 }
 

arch/x86/cpu/ivybridge/cpu.c

@@ -118,7 +118,6 @@ static void set_spi_speed(void)
 int arch_cpu_init(void)
 {
 	post_code(POST_CPU_INIT);
-	timer_set_base(rdtsc());
 
 	return x86_cpu_init_f();
 }

arch/x86/cpu/qemu/qemu.c

@@ -64,9 +64,6 @@ int arch_cpu_init(void)
 	int ret;
 
 	post_code(POST_CPU_INIT);
-#ifdef CONFIG_SYS_X86_TSC_TIMER
-	timer_set_base(rdtsc());
-#endif
 
 	ret = x86_cpu_init_f();
 	if (ret)

arch/x86/cpu/quark/quark.c

@@ -233,9 +233,6 @@ int arch_cpu_init(void)
 	int ret;
 
 	post_code(POST_CPU_INIT);
-#ifdef CONFIG_SYS_X86_TSC_TIMER
-	timer_set_base(rdtsc());
-#endif
 
 	ret = x86_cpu_init_f();
 	if (ret)

arch/x86/cpu/queensbay/tnc.c

@@ -52,9 +52,6 @@ int arch_cpu_init(void)
 	int ret;
 
 	post_code(POST_CPU_INIT);
-#ifdef CONFIG_SYS_X86_TSC_TIMER
-	timer_set_base(rdtsc());
-#endif
 
 	ret = x86_cpu_init_f();
 	if (ret)

arch/x86/dts/bayleybay.dts

@@ -13,6 +13,7 @@
 /include/ "keyboard.dtsi"
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "Intel Bayley Bay";

arch/x86/dts/broadwell_som-6896.dts

@@ -3,6 +3,7 @@
 /include/ "skeleton.dtsi"
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "Advantech SOM-6896";

arch/x86/dts/chromebook_link.dts

@@ -4,6 +4,7 @@
 /include/ "keyboard.dtsi"
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "Google Link";

arch/x86/dts/chromebox_panther.dts

@@ -3,6 +3,7 @@
 /include/ "skeleton.dtsi"
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "Google Panther";

arch/x86/dts/crownbay.dts

@@ -12,6 +12,7 @@
 /include/ "serial.dtsi"
 /include/ "keyboard.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "Intel Crown Bay";

arch/x86/dts/efi.dts

@@ -7,6 +7,7 @@
 /dts-v1/;
 
 /include/ "skeleton.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "EFI";
@@ -16,6 +17,10 @@
 		stdout-path = &serial;
 	};
 
+	tsc-timer {
+		clock-frequency = <1000000000>;
+	};
+
 	serial: serial {
 		compatible = "efi,uart";
 	};

arch/x86/dts/galileo.dts

@@ -11,6 +11,7 @@
 
 /include/ "skeleton.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "Intel Galileo";
@@ -28,6 +29,10 @@
 		stdout-path = &pciuart0;
 	};
 
+	tsc-timer {
+		clock-frequency = <400000000>;
+	};
+
 	mrc {
 		compatible = "intel,quark-mrc";
 		flags = <MRC_FLAG_SCRAMBLE_EN>;

arch/x86/dts/minnowmax.dts

@@ -12,6 +12,7 @@
 /include/ "skeleton.dtsi"
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "Intel Minnowboard Max";

arch/x86/dts/qemu-x86_i440fx.dts

@@ -12,6 +12,7 @@
 /include/ "serial.dtsi"
 /include/ "keyboard.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "QEMU x86 (I440FX)";
@@ -44,6 +45,10 @@
 		};
 	};
 
+	tsc-timer {
+		clock-frequency = <1000000000>;
+	};
+
 	pci {
 		compatible = "pci-x86";
 		#address-cells = <3>;

arch/x86/dts/qemu-x86_q35.dts

@@ -22,6 +22,7 @@
 /include/ "serial.dtsi"
 /include/ "keyboard.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "QEMU x86 (Q35)";
@@ -55,6 +56,10 @@
 		};
 	};
 
+	tsc-timer {
+		clock-frequency = <1000000000>;
+	};
+
 	pci {
 		compatible = "pci-x86";
 		#address-cells = <3>;

arch/x86/dts/tsc_timer.dtsi

@@ -0,0 +1,6 @@
+/ {
+	tsc-timer {
+		compatible = "x86,tsc-timer";
+		u-boot,dm-pre-reloc;
+	};
+};

configs/bayleybay_defconfig

@@ -30,6 +30,7 @@ CONFIG_DM_PCI=y
 CONFIG_DM_RTC=y
 CONFIG_SYS_NS16550=y
 CONFIG_ICH_SPI=y
+CONFIG_TIMER=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_VIDEO_VESA=y

configs/chromebook_link_defconfig

@@ -32,6 +32,7 @@ CONFIG_DEBUG_UART_CLOCK=1843200
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_SYS_NS16550=y
 CONFIG_ICH_SPI=y
+CONFIG_TIMER=y
 CONFIG_TPM_TIS_LPC=y
 CONFIG_VIDEO_VESA=y
 CONFIG_FRAMEBUFFER_SET_VESA_MODE=y

configs/chromebox_panther_defconfig

@@ -27,6 +27,7 @@ CONFIG_DM_PCI=y
 CONFIG_DM_RTC=y
 CONFIG_SYS_NS16550=y
 CONFIG_ICH_SPI=y
+CONFIG_TIMER=y
 CONFIG_TPM_TIS_LPC=y
 CONFIG_VIDEO_VESA=y
 CONFIG_FRAMEBUFFER_SET_VESA_MODE=y

configs/coreboot-x86_defconfig

@@ -21,6 +21,7 @@ CONFIG_E1000=y
 CONFIG_DM_PCI=y
 CONFIG_DM_RTC=y
 CONFIG_SYS_NS16550=y
+CONFIG_TIMER=y
 CONFIG_TPM_TIS_LPC=y
 CONFIG_USB=y
 CONFIG_DM_USB=y

configs/crownbay_defconfig

@@ -30,6 +30,7 @@ CONFIG_DM_PCI=y
 CONFIG_DM_RTC=y
 CONFIG_SYS_NS16550=y
 CONFIG_ICH_SPI=y
+CONFIG_TIMER=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_VIDEO_VESA=y

configs/efi-x86_defconfig

@@ -14,4 +14,6 @@ CONFIG_DEBUG_EFI_CONSOLE=y
 CONFIG_DEBUG_UART_BASE=0
 CONFIG_DEBUG_UART_CLOCK=0
 CONFIG_ICH_SPI=y
+# CONFIG_X86_SERIAL is not set
+CONFIG_TIMER=y
 CONFIG_EFI=y

configs/galileo_defconfig

@@ -24,6 +24,7 @@ CONFIG_DM_PCI=y
 CONFIG_DM_RTC=y
 CONFIG_SYS_NS16550=y
 CONFIG_ICH_SPI=y
+CONFIG_TIMER=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USE_PRIVATE_LIBGCC=y

configs/minnowmax_defconfig

@@ -32,6 +32,7 @@ CONFIG_DEBUG_UART_BASE=0x3f8
 CONFIG_DEBUG_UART_CLOCK=1843200
 CONFIG_SYS_NS16550=y
 CONFIG_ICH_SPI=y
+CONFIG_TIMER=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_VIDEO_VESA=y

configs/qemu-x86_defconfig

@@ -23,6 +23,7 @@ CONFIG_E1000=y
 CONFIG_DM_PCI=y
 CONFIG_DM_RTC=y
 CONFIG_SYS_NS16550=y
+CONFIG_TIMER=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_VIDEO_VESA=y