---

yaml
---
r: 212432
b: refs/heads/master
c: f946738
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9e978f096241e303c10cf6e6dc80dce41ef41b92
+refs/heads/master: f946738ca882c365a963043de471f45e91ab0a95

trunk/arch/arm/mach-s3c64xx/mach-smartq.c

@@ -136,7 +136,7 @@ static struct platform_device smartq_usb_otg_vbus_dev = {
 	.dev.platform_data	= &smartq_usb_otg_vbus_pdata,
 };
 
-static int smartq_bl_init(struct device *dev)
+static int __init smartq_bl_init(struct device *dev)
 {
     s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_SFN(2));
 

trunk/arch/arm/mach-s3c64xx/mach-smartq5.c

@@ -32,7 +32,7 @@
 
 #include "mach-smartq.h"
 
-static struct gpio_led smartq5_leds[] = {
+static struct gpio_led smartq5_leds[] __initdata = {
 	{
 		.name			= "smartq5:green",
 		.active_low		= 1,

trunk/arch/arm/mach-s3c64xx/mach-smartq7.c

@@ -32,7 +32,7 @@
 
 #include "mach-smartq.h"
 
-static struct gpio_led smartq7_leds[] = {
+static struct gpio_led smartq7_leds[] __initdata = {
 	{
 		.name			= "smartq7:red",
 		.active_low		= 1,

trunk/arch/arm/mach-ux500/cpu-db8500.c

@@ -38,10 +38,12 @@ static struct platform_device *platform_devs[] __initdata = {
 /* minimum static i/o mapping required to boot U8500 platforms */
 static struct map_desc u8500_io_desc[] __initdata = {
 	__IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K),
+	__IO_DEV_DESC(U8500_PRCMU_TCDM_BASE, SZ_4K),
 	__IO_DEV_DESC(U8500_GPIO0_BASE, SZ_4K),
 	__IO_DEV_DESC(U8500_GPIO1_BASE, SZ_4K),
 	__IO_DEV_DESC(U8500_GPIO2_BASE, SZ_4K),
 	__IO_DEV_DESC(U8500_GPIO3_BASE, SZ_4K),
+	__MEM_DEV_DESC(U8500_BOOT_ROM_BASE, SZ_1M),
 };
 
 static struct map_desc u8500ed_io_desc[] __initdata = {
@@ -53,6 +55,69 @@ static struct map_desc u8500v1_io_desc[] __initdata = {
 	__IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K),
 };
 
+/*
+ * Functions to differentiate between later ASICs
+ * We look into the end of the ROM to locate the hardcoded ASIC ID.
+ * This is only needed to differentiate between minor revisions and
+ * process variants of an ASIC, the major revisions are encoded in
+ * the cpuid.
+ */
+#define U8500_ASIC_ID_LOC_ED_V1	(U8500_BOOT_ROM_BASE + 0x1FFF4)
+#define U8500_ASIC_ID_LOC_V2	(U8500_BOOT_ROM_BASE + 0x1DBF4)
+#define U8500_ASIC_REV_ED	0x01
+#define U8500_ASIC_REV_V10	0xA0
+#define U8500_ASIC_REV_V11	0xA1
+#define U8500_ASIC_REV_V20	0xB0
+
+/**
+ * struct db8500_asic_id - fields of the ASIC ID
+ * @process: the manufacturing process, 0x40 is 40 nm
+ *  0x00 is "standard"
+ * @partnumber: hithereto 0x8500 for DB8500
+ * @revision: version code in the series
+ * This field definion is not formally defined but makes
+ * sense.
+ */
+struct db8500_asic_id {
+	u8 process;
+	u16 partnumber;
+	u8 revision;
+};
+
+/* This isn't going to change at runtime */
+static struct db8500_asic_id db8500_id;
+
+static void __init get_db8500_asic_id(void)
+{
+	u32 asicid;
+
+	if (cpu_is_u8500v1() || cpu_is_u8500ed())
+		asicid = readl(__io_address(U8500_ASIC_ID_LOC_ED_V1));
+	else if (cpu_is_u8500v2())
+		asicid = readl(__io_address(U8500_ASIC_ID_LOC_V2));
+	else
+		BUG();
+
+	db8500_id.process = (asicid >> 24);
+	db8500_id.partnumber = (asicid >> 16) & 0xFFFFU;
+	db8500_id.revision = asicid & 0xFFU;
+}
+
+bool cpu_is_u8500v10(void)
+{
+	return (db8500_id.revision == U8500_ASIC_REV_V10);
+}
+
+bool cpu_is_u8500v11(void)
+{
+	return (db8500_id.revision == U8500_ASIC_REV_V11);
+}
+
+bool cpu_is_u8500v20(void)
+{
+	return (db8500_id.revision == U8500_ASIC_REV_V20);
+}
+
 void __init u8500_map_io(void)
 {
 	ux500_map_io();
@@ -63,13 +128,30 @@ void __init u8500_map_io(void)
 		iotable_init(u8500ed_io_desc, ARRAY_SIZE(u8500ed_io_desc));
 	else
 		iotable_init(u8500v1_io_desc, ARRAY_SIZE(u8500v1_io_desc));
+
+	/* Read out the ASIC ID as early as we can */
+	get_db8500_asic_id();
 }
 
 /*
  * This function is called from the board init
  */
 void __init u8500_init_devices(void)
 {
+	/* Display some ASIC boilerplate */
+	pr_info("DB8500: process: %02x, revision ID: 0x%02x\n",
+		db8500_id.process, db8500_id.revision);
+	if (cpu_is_u8500ed())
+		pr_info("DB8500: Early Drop (ED)\n");
+	else if (cpu_is_u8500v10())
+		pr_info("DB8500: version 1.0\n");
+	else if (cpu_is_u8500v11())
+		pr_info("DB8500: version 1.1\n");
+	else if (cpu_is_u8500v20())
+		pr_info("DB8500: version 2.0\n");
+	else
+		pr_warning("ASIC: UNKNOWN SILICON VERSION!\n");
+
 	ux500_init_devices();
 
 	if (cpu_is_u8500ed())

trunk/arch/arm/mach-ux500/include/mach/db8500-regs.h

@@ -30,8 +30,6 @@
 #define U8500_ICN_BASE		0x81000000
 
 #define U8500_BOOT_ROM_BASE	0x90000000
-/* ASIC ID is at 0xff4 offset within this region */
-#define U8500_ASIC_ID_BASE	0x9001F000
 
 #define U8500_PER6_BASE		0xa03c0000
 #define U8500_PER5_BASE		0xa03e0000

trunk/arch/arm/mach-ux500/include/mach/hardware.h

@@ -104,16 +104,35 @@ static inline bool cpu_is_u8500(void)
 #endif
 }
 
+#define CPUID_DB8500ED	0x410fc090
+#define CPUID_DB8500V1	0x411fc091
+#define CPUID_DB8500V2	0x412fc091
+
 static inline bool cpu_is_u8500ed(void)
 {
-	return cpu_is_u8500() && (read_cpuid_id() & 15) == 0;
+	return cpu_is_u8500() && (read_cpuid_id() == CPUID_DB8500ED);
 }
 
 static inline bool cpu_is_u8500v1(void)
 {
-	return cpu_is_u8500() && (read_cpuid_id() & 15) == 1;
+	return cpu_is_u8500() && (read_cpuid_id() == CPUID_DB8500V1);
+}
+
+static inline bool cpu_is_u8500v2(void)
+{
+	return cpu_is_u8500() && (read_cpuid_id() == CPUID_DB8500V2);
 }
 
+#ifdef CONFIG_UX500_SOC_DB8500
+bool cpu_is_u8500v10(void);
+bool cpu_is_u8500v11(void);
+bool cpu_is_u8500v20(void);
+#else
+static inline bool cpu_is_u8500v10(void) { return false; }
+static inline bool cpu_is_u8500v11(void) { return false; }
+static inline bool cpu_is_u8500v20(void) { return false; }
+#endif
+
 static inline bool cpu_is_u5500(void)
 {
 #ifdef CONFIG_UX500_SOC_DB5500

trunk/arch/arm/mach-ux500/include/mach/setup.h

@@ -38,4 +38,11 @@ extern struct sys_timer ux500_timer;
 	.type		= MT_DEVICE,		\
 }
 
+#define __MEM_DEV_DESC(x, sz)	{		\
+	.virtual	= IO_ADDRESS(x),	\
+	.pfn		= __phys_to_pfn(x),	\
+	.length		= sz,			\
+	.type		= MT_MEMORY,		\
+}
+
 #endif /*  __ASM_ARCH_SETUP_H */