Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm…

…/linux/kernel/git/tip/linux-2.6-tip * 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, earlyprintk: Move mrst early console to platform/ and fix a typo x86, apbt: Setup affinity for apb timers acting as per-cpu timer ce4100: Add errata fixes for UART on CE4100 x86: platform: Move iris to x86/platform where it belongs x86, mrst: Check platform_device_register() return code x86/platform: Add Eurobraille/Iris power off support x86, mrst: Add explanation for using 1960 as the year offset for vrtc x86, mrst: Fix dependencies of "select INTEL_SCU_IPC" x86, mrst: The shutdown for MRST requires the SCU IPC mechanism x86: Ce4100: Add reboot_fixup() for CE4100 ce4100: Add PCI register emulation for CE4100 x86: Add CE4100 platform support x86: mrst: Set vRTC's IRQ to level trigger type x86: mrst: Add audio driver bindings rtc: Add drivers/rtc/rtc-mrst.c x86: mrst: Add vrtc driver which serves as a wall clock device x86: mrst: Add Moorestown specific reboot/shutdown support x86: mrst: Parse SFI timer table for all timer configs x86/mrst: Add SFI platform device parsing code
git-mirror · Jan 6, 2011 · b4c6e2e · b4c6e2e
2 parents 6f46b12 + 991cfff
commit b4c6e2e
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Showing 28 changed files with 1,934 additions and 18 deletions.
diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
@@ -600,6 +600,7 @@ Protocol:	2.07+
   0x00000001	lguest
   0x00000002	Xen
   0x00000003	Moorestown MID
+  0x00000004	CE4100 TV Platform
 
 Field name:	hardware_subarch_data
 Type:		write (subarch-dependent)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
@@ -377,6 +377,18 @@ config X86_ELAN
 
 	  If unsure, choose "PC-compatible" instead.
 
+config X86_INTEL_CE
+	bool "CE4100 TV platform"
+	depends on PCI
+	depends on PCI_GODIRECT
+	depends on X86_32
+	depends on X86_EXTENDED_PLATFORM
+	select X86_REBOOTFIXUPS
+	---help---
+	  Select for the Intel CE media processor (CE4100) SOC.
+	  This option compiles in support for the CE4100 SOC for settop
+	  boxes and media devices.
+
 config X86_MRST
        bool "Moorestown MID platform"
 	depends on PCI
@@ -385,6 +397,10 @@ config X86_MRST
 	depends on X86_EXTENDED_PLATFORM
 	depends on X86_IO_APIC
 	select APB_TIMER
+	select I2C
+	select SPI
+	select INTEL_SCU_IPC
+	select X86_PLATFORM_DEVICES
 	---help---
 	  Moorestown is Intel's Low Power Intel Architecture (LPIA) based Moblin
 	  Internet Device(MID) platform. Moorestown consists of two chips:
@@ -466,6 +482,19 @@ config X86_ES7000
 	  Support for Unisys ES7000 systems.  Say 'Y' here if this kernel is
 	  supposed to run on an IA32-based Unisys ES7000 system.
 
+config X86_32_IRIS
+	tristate "Eurobraille/Iris poweroff module"
+	depends on X86_32
+	---help---
+	  The Iris machines from EuroBraille do not have APM or ACPI support
+	  to shut themselves down properly.  A special I/O sequence is
+	  needed to do so, which is what this module does at
+	  kernel shutdown.
+
+	  This is only for Iris machines from EuroBraille.
+
+	  If unused, say N.
+
 config SCHED_OMIT_FRAME_POINTER
 	def_bool y
 	prompt "Single-depth WCHAN output"

diff --git a/arch/x86/include/asm/bootparam.h b/arch/x86/include/asm/bootparam.h
@@ -124,6 +124,7 @@ enum {
 	X86_SUBARCH_LGUEST,
 	X86_SUBARCH_XEN,
 	X86_SUBARCH_MRST,
+	X86_SUBARCH_CE4100,
 	X86_NR_SUBARCHS,
 };
 

diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
@@ -117,6 +117,10 @@ enum fixed_addresses {
 	FIX_TEXT_POKE1,	/* reserve 2 pages for text_poke() */
 	FIX_TEXT_POKE0, /* first page is last, because allocation is backward */
 	__end_of_permanent_fixed_addresses,
+
+#ifdef	CONFIG_X86_MRST
+	FIX_LNW_VRTC,
+#endif
 	/*
 	 * 256 temporary boot-time mappings, used by early_ioremap(),
 	 * before ioremap() is functional.

diff --git a/arch/x86/include/asm/mrst-vrtc.h b/arch/x86/include/asm/mrst-vrtc.h
@@ -0,0 +1,9 @@
+#ifndef _MRST_VRTC_H
+#define _MRST_VRTC_H
+
+extern unsigned char vrtc_cmos_read(unsigned char reg);
+extern void vrtc_cmos_write(unsigned char val, unsigned char reg);
+extern unsigned long vrtc_get_time(void);
+extern int vrtc_set_mmss(unsigned long nowtime);
+
+#endif
diff --git a/arch/x86/include/asm/mrst.h b/arch/x86/include/asm/mrst.h
@@ -14,7 +14,9 @@
 #include <linux/sfi.h>
 
 extern int pci_mrst_init(void);
-int __init sfi_parse_mrtc(struct sfi_table_header *table);
+extern int __init sfi_parse_mrtc(struct sfi_table_header *table);
+extern int sfi_mrtc_num;
+extern struct sfi_rtc_table_entry sfi_mrtc_array[];
 
 /*
  * Medfield is the follow-up of Moorestown, it combines two chip solution into
@@ -50,4 +52,14 @@ extern void mrst_early_console_init(void);
 
 extern struct console early_hsu_console;
 extern void hsu_early_console_init(void);
+
+extern void intel_scu_devices_create(void);
+extern void intel_scu_devices_destroy(void);
+
+/* VRTC timer */
+#define MRST_VRTC_MAP_SZ	(1024)
+/*#define MRST_VRTC_PGOFFSET	(0xc00) */
+
+extern void mrst_rtc_init(void);
+
 #endif /* _ASM_X86_MRST_H */
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
@@ -53,6 +53,12 @@ extern void x86_mrst_early_setup(void);
 static inline void x86_mrst_early_setup(void) { }
 #endif
 
+#ifdef CONFIG_X86_INTEL_CE
+extern void x86_ce4100_early_setup(void);
+#else
+static inline void x86_ce4100_early_setup(void) { }
+#endif
+
 #ifndef _SETUP
 
 /*

diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
@@ -85,7 +85,6 @@ obj-$(CONFIG_DOUBLEFAULT) 	+= doublefault_32.o
 obj-$(CONFIG_KGDB)		+= kgdb.o
 obj-$(CONFIG_VM86)		+= vm86_32.o
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
-obj-$(CONFIG_EARLY_PRINTK_MRST)	+= early_printk_mrst.o
 
 obj-$(CONFIG_HPET_TIMER) 	+= hpet.o
 obj-$(CONFIG_APB_TIMER)		+= apb_timer.o

diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c
@@ -315,6 +315,7 @@ static void apbt_setup_irq(struct apbt_dev *adev)
 
 	if (system_state == SYSTEM_BOOTING) {
 		irq_modify_status(adev->irq, 0, IRQ_MOVE_PCNTXT);
+		irq_set_affinity(adev->irq, cpumask_of(adev->cpu));
 		/* APB timer irqs are set up as mp_irqs, timer is edge type */
 		__set_irq_handler(adev->irq, handle_edge_irq, 0, "edge");
 		if (request_irq(adev->irq, apbt_interrupt_handler,

diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c
@@ -240,7 +240,7 @@ static int __init setup_early_printk(char *buf)
 		if (!strncmp(buf, "xen", 3))
 			early_console_register(&xenboot_console, keep);
 #endif
-#ifdef CONFIG_X86_MRST_EARLY_PRINTK
+#ifdef CONFIG_EARLY_PRINTK_MRST
 		if (!strncmp(buf, "mrst", 4)) {
 			mrst_early_console_init();
 			early_console_register(&early_mrst_console, keep);
@@ -250,7 +250,6 @@ static int __init setup_early_printk(char *buf)
 			hsu_early_console_init();
 			early_console_register(&early_hsu_console, keep);
 		}
-
 #endif
 		buf++;
 	}

diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
@@ -61,6 +61,9 @@ void __init i386_start_kernel(void)
 	case X86_SUBARCH_MRST:
 		x86_mrst_early_setup();
 		break;
+	case X86_SUBARCH_CE4100:
+		x86_ce4100_early_setup();
+		break;
 	default:
 		i386_default_early_setup();
 		break;

diff --git a/arch/x86/kernel/reboot_fixups_32.c b/arch/x86/kernel/reboot_fixups_32.c
@@ -43,17 +43,33 @@ static void rdc321x_reset(struct pci_dev *dev)
 	outb(1, 0x92);
 }
 
+static void ce4100_reset(struct pci_dev *dev)
+{
+	int i;
+
+	for (i = 0; i < 10; i++) {
+		outb(0x2, 0xcf9);
+		udelay(50);
+	}
+}
+
 struct device_fixup {
 	unsigned int vendor;
 	unsigned int device;
 	void (*reboot_fixup)(struct pci_dev *);
 };
 
+/*
+ * PCI ids solely used for fixups_table go here
+ */
+#define PCI_DEVICE_ID_INTEL_CE4100	0x0708
+
 static const struct device_fixup fixups_table[] = {
 { PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY, cs5530a_warm_reset },
 { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, cs5536_warm_reset },
 { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_SC1100_BRIDGE, cs5530a_warm_reset },
 { PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030, rdc321x_reset },
+{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CE4100, ce4100_reset },
 };
 
 /*

diff --git a/arch/x86/pci/Makefile b/arch/x86/pci/Makefile
@@ -7,6 +7,7 @@ obj-$(CONFIG_PCI_OLPC)		+= olpc.o
 obj-$(CONFIG_PCI_XEN)		+= xen.o
 
 obj-y				+= fixup.o
+obj-$(CONFIG_X86_INTEL_CE)      += ce4100.o
 obj-$(CONFIG_ACPI)		+= acpi.o
 obj-y				+= legacy.o irq.o