8 files changed, 180 insertions, 64 deletions

diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index 0e928d281759..bf04b783b6d0 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -214,7 +214,7 @@ static struct platform_device snowball_sbnet_dev = {
         },
 };
 
-static struct ab8500_platform_data ab8500_platdata = {
+struct ab8500_platform_data ab8500_platdata = {
         .irq_base       = MOP500_AB8500_IRQ_BASE,
         .regulator_reg_init = ab8500_regulator_reg_init,
         .num_regulator_reg_init = ARRAY_SIZE(ab8500_regulator_reg_init),
@@ -650,6 +650,7 @@ static void __init mop500_init_machine(void)
         int i2c0_devs;
         int i;
 
+        platform_device_register(&db8500_prcmu_device);
         mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
 
         mop500_pinmaps_init();
@@ -684,6 +685,7 @@ static void __init snowball_init_machine(void)
         struct device *parent = NULL;
         int i;
 
+        platform_device_register(&db8500_prcmu_device);
         snowball_pinmaps_init();
         parent = u8500_init_devices(&ab8500_platdata);
 
@@ -709,6 +711,7 @@ static void __init hrefv60_init_machine(void)
         int i2c0_devs;
         int i;
 
+        platform_device_register(&db8500_prcmu_device);
         /*
          * The HREFv60 board removed a GPIO expander and routed
          * all these GPIO pins to the internal GPIO controller
diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c
index d614d7150dcb..6f42b6087df5 100644
--- a/arch/arm/mach-ux500/cpu-db8500.c
+++ b/arch/arm/mach-ux500/cpu-db8500.c
@@ -138,14 +138,9 @@ static struct platform_device db8500_pmu_device = {
         .dev.platform_data      = &db8500_pmu_platdata,
 };
 
-static struct platform_device db8500_prcmu_device = {
-        .name                   = "db8500-prcmu",
-};
-
 static struct platform_device *platform_devs[] __initdata = {
         &u8500_dma40_device,
         &db8500_pmu_device,
-        &db8500_prcmu_device,
 };
 
 static resource_size_t __initdata db8500_gpio_base[] = {
@@ -285,6 +280,8 @@ static struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
         OF_DEV_AUXDATA("st,nomadik-i2c", 0x80128000, "nmk-i2c.2", NULL),
         OF_DEV_AUXDATA("st,nomadik-i2c", 0x80110000, "nmk-i2c.3", NULL),
         OF_DEV_AUXDATA("st,nomadik-i2c", 0x8012a000, "nmk-i2c.4", NULL),
+        OF_DEV_AUXDATA("stericsson,db8500-prcmu", 0x80157000, "db8500-prcmu",
+                        &db8500_prcmu_pdata),
         /* Requires device name bindings. */
         OF_DEV_AUXDATA("stericsson,nmk_pinctrl", U8500_PRCMU_BASE,
                 "pinctrl-db8500", NULL),
diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c
index 318d49020894..f3d9419f75d3 100644
--- a/arch/arm/mach-ux500/devices-db8500.c
+++ b/arch/arm/mach-ux500/devices-db8500.c
@@ -13,11 +13,13 @@
 #include <linux/amba/bus.h>
 #include <linux/amba/pl022.h>
 #include <linux/platform_data/dma-ste-dma40.h>
+#include <linux/mfd/dbx500-prcmu.h>
 
 #include <mach/hardware.h>
 #include <mach/setup.h>
 #include <mach/irqs.h>
 
+#include "devices-db8500.h"
 #include "ste-dma40-db8500.h"
 
 static struct resource dma40_resources[] = {
@@ -194,3 +196,45 @@ struct platform_device u8500_ske_keypad_device = {
         .num_resources = ARRAY_SIZE(keypad_resources),
         .resource = keypad_resources,
 };
+
+struct prcmu_pdata db8500_prcmu_pdata = {
+        .ab_platdata    = &ab8500_platdata,
+        .version_offset = DB8500_PRCMU_FW_VERSION_OFFSET,
+        .legacy_offset  = DB8500_PRCMU_LEGACY_OFFSET,
+};
+
+static struct resource db8500_prcmu_res[] = {
+        {
+                .name  = "prcmu",
+                .start = U8500_PRCMU_BASE,
+                .end   = U8500_PRCMU_BASE + SZ_8K - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .name  = "prcmu-tcdm",
+                .start = U8500_PRCMU_TCDM_BASE,
+                .end   = U8500_PRCMU_TCDM_BASE + SZ_4K - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .name  = "irq",
+                .start = IRQ_DB8500_PRCMU1,
+                .end   = IRQ_DB8500_PRCMU1,
+                .flags = IORESOURCE_IRQ,
+        },
+        {
+                .name  = "prcmu-tcpm",
+                .start = U8500_PRCMU_TCPM_BASE,
+                .end   = U8500_PRCMU_TCPM_BASE + SZ_4K - 1,
+                .flags = IORESOURCE_MEM,
+        },
+};
+
+struct platform_device db8500_prcmu_device = {
+        .name                   = "db8500-prcmu",
+        .resource               = db8500_prcmu_res,
+        .num_resources          = ARRAY_SIZE(db8500_prcmu_res),
+        .dev = {
+                .platform_data = &db8500_prcmu_pdata,
+        },
+};
diff --git a/arch/arm/mach-ux500/devices-db8500.h b/arch/arm/mach-ux500/devices-db8500.h
index a5e05f6e256f..dbcb35c48f06 100644
--- a/arch/arm/mach-ux500/devices-db8500.h
+++ b/arch/arm/mach-ux500/devices-db8500.h
@@ -14,6 +14,11 @@
 
 struct ske_keypad_platform_data;
 struct pl022_ssp_controller;
+struct platform_device;
+
+extern struct ab8500_platform_data ab8500_platdata;
+extern struct prcmu_pdata db8500_prcmu_pdata;
+extern struct platform_device db8500_prcmu_device;
 
 static inline struct platform_device *
 db8500_add_ske_keypad(struct device *parent,
diff --git a/drivers/cpufreq/db8500-cpufreq.c b/drivers/cpufreq/db8500-cpufreq.c
index 523c9403bfce..87130e219505 100644
--- a/drivers/cpufreq/db8500-cpufreq.c
+++ b/drivers/cpufreq/db8500-cpufreq.c
@@ -15,7 +15,6 @@
 #include <linux/slab.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
-#include <mach/id.h>
 
 static struct cpufreq_frequency_table *freq_table;
 static struct clk *armss_clk;
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index 6658f3cb0832..1192518e1aca 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -38,9 +38,6 @@
 #include <mach/db8500-regs.h>
 #include "dbx500-prcmu-regs.h"
 
-/* Offset for the firmware version within the TCPM */
-#define PRCMU_FW_VERSION_OFFSET 0xA4
-
 /* Index of different voltages to be used when accessing AVSData */
 #define PRCM_AVS_BASE           0x2FC
 #define PRCM_AVS_VBB_RET        (PRCM_AVS_BASE + 0x0)
@@ -2704,21 +2701,43 @@ static struct irq_chip prcmu_irq_chip = {
         .irq_unmask     = prcmu_irq_unmask,
 };
 
-static char *fw_project_name(u8 project)
+static __init char *fw_project_name(u32 project)
 {
         switch (project) {
         case PRCMU_FW_PROJECT_U8500:
                 return "U8500";
-        case PRCMU_FW_PROJECT_U8500_C2:
-                return "U8500 C2";
+        case PRCMU_FW_PROJECT_U8400:
+                return "U8400";
         case PRCMU_FW_PROJECT_U9500:
                 return "U9500";
-        case PRCMU_FW_PROJECT_U9500_C2:
-                return "U9500 C2";
+        case PRCMU_FW_PROJECT_U8500_MBB:
+                return "U8500 MBB";
+        case PRCMU_FW_PROJECT_U8500_C1:
+                return "U8500 C1";
+        case PRCMU_FW_PROJECT_U8500_C2:
+                return "U8500 C2";
+        case PRCMU_FW_PROJECT_U8500_C3:
+                return "U8500 C3";
+        case PRCMU_FW_PROJECT_U8500_C4:
+                return "U8500 C4";
+        case PRCMU_FW_PROJECT_U9500_MBL:
+                return "U9500 MBL";
+        case PRCMU_FW_PROJECT_U8500_MBL:
+                return "U8500 MBL";
+        case PRCMU_FW_PROJECT_U8500_MBL2:
+                return "U8500 MBL2";
         case PRCMU_FW_PROJECT_U8520:
-                return "U8520";
+                return "U8520 MBL";
         case PRCMU_FW_PROJECT_U8420:
                 return "U8420";
+        case PRCMU_FW_PROJECT_U9540:
+                return "U9540";
+        case PRCMU_FW_PROJECT_A9420:
+                return "A9420";
+        case PRCMU_FW_PROJECT_L8540:
+                return "L8540";
+        case PRCMU_FW_PROJECT_L8580:
+                return "L8580";
         default:
                 return "Unknown";
         }
@@ -2764,37 +2783,44 @@ static int db8500_irq_init(struct device_node *np)
         return 0;
 }
 
-void __init db8500_prcmu_early_init(void)
+static void dbx500_fw_version_init(struct platform_device *pdev,
+                            u32 version_offset)
 {
-        if (cpu_is_u8500v2() || cpu_is_u9540()) {
-                void *tcpm_base = ioremap_nocache(U8500_PRCMU_TCPM_BASE, SZ_4K);
-
-                if (tcpm_base != NULL) {
-                        u32 version;
-                        version = readl(tcpm_base + PRCMU_FW_VERSION_OFFSET);
-                        fw_info.version.project = version & 0xFF;
-                        fw_info.version.api_version = (version >> 8) & 0xFF;
-                        fw_info.version.func_version = (version >> 16) & 0xFF;
-                        fw_info.version.errata = (version >> 24) & 0xFF;
-                        fw_info.valid = true;
-                        pr_info("PRCMU firmware: %s, version %d.%d.%d\n",
-                                fw_project_name(fw_info.version.project),
-                                (version >> 8) & 0xFF, (version >> 16) & 0xFF,
-                                (version >> 24) & 0xFF);
-                        iounmap(tcpm_base);
-                }
+        struct resource *res;
+        void __iomem *tcpm_base;
 
-                if (cpu_is_u9540())
-                        tcdm_base = ioremap_nocache(U8500_PRCMU_TCDM_BASE,
-                                                SZ_4K + SZ_8K) + SZ_8K;
-                else
-                        tcdm_base = __io_address(U8500_PRCMU_TCDM_BASE);
-        } else {
-                pr_err("prcmu: Unsupported chip version\n");
-                BUG();
+        res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
+                                           "prcmu-tcpm");
+        if (!res) {
+                dev_err(&pdev->dev,
+                        "Error: no prcmu tcpm memory region provided\n");
+                return;
+        }
+        tcpm_base = ioremap(res->start, resource_size(res));
+        if (tcpm_base != NULL) {
+                u32 version;
+
+                version = readl(tcpm_base + version_offset);
+                fw_info.version.project = (version & 0xFF);
+                fw_info.version.api_version = (version >> 8) & 0xFF;
+                fw_info.version.func_version = (version >> 16) & 0xFF;
+                fw_info.version.errata = (version >> 24) & 0xFF;
+                strncpy(fw_info.version.project_name,
+                        fw_project_name(fw_info.version.project),
+                        PRCMU_FW_PROJECT_NAME_LEN);
+                fw_info.valid = true;
+                pr_info("PRCMU firmware: %s(%d), version %d.%d.%d\n",
+                        fw_info.version.project_name,
+                        fw_info.version.project,
+                        fw_info.version.api_version,
+                        fw_info.version.func_version,
+                        fw_info.version.errata);
+                iounmap(tcpm_base);
         }
-        tcdm_base = __io_address(U8500_PRCMU_TCDM_BASE);
+}
 
+void __init db8500_prcmu_early_init(void)
+{
         spin_lock_init(&mb0_transfer.lock);
         spin_lock_init(&mb0_transfer.dbb_irqs_lock);
         mutex_init(&mb0_transfer.ac_wake_lock);
@@ -3104,20 +3130,30 @@ static void db8500_prcmu_update_cpufreq(void)
  */
 static int db8500_prcmu_probe(struct platform_device *pdev)
 {
-        struct ab8500_platform_data *ab8500_platdata = pdev->dev.platform_data;
         struct device_node *np = pdev->dev.of_node;
+        struct prcmu_pdata *pdata = dev_get_platdata(&pdev->dev);
         int irq = 0, err = 0, i;
+        struct resource *res;
 
         init_prcm_registers();
 
+        dbx500_fw_version_init(pdev, pdata->version_offset);
+        res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "prcmu-tcdm");
+        if (!res) {
+                dev_err(&pdev->dev, "no prcmu tcdm region provided\n");
+                return -ENOENT;
+        }
+        tcdm_base = devm_ioremap(&pdev->dev, res->start,
+                        resource_size(res));
+
         /* Clean up the mailbox interrupts after pre-kernel code. */
         writel(ALL_MBOX_BITS, PRCM_ARM_IT1_CLR);
 
-        if (np)
-                irq = platform_get_irq(pdev, 0);
-
-        if (!np || irq <= 0)
-                irq = IRQ_DB8500_PRCMU1;
+        irq = platform_get_irq(pdev, 0);
+        if (irq <= 0) {
+                dev_err(&pdev->dev, "no prcmu irq provided\n");
+                return -ENOENT;
+        }
 
         err = request_threaded_irq(irq, prcmu_irq_handler,
                 prcmu_irq_thread_fn, IRQF_NO_SUSPEND, "prcmu", NULL);
@@ -3131,7 +3167,7 @@ static int db8500_prcmu_probe(struct platform_device *pdev)
 
         for (i = 0; i < ARRAY_SIZE(db8500_prcmu_devs); i++) {
                 if (!strcmp(db8500_prcmu_devs[i].name, "ab8500-core")) {
-                        db8500_prcmu_devs[i].platform_data = ab8500_platdata;
+                        db8500_prcmu_devs[i].platform_data = pdata->ab_platdata;
                         db8500_prcmu_devs[i].pdata_size = sizeof(struct ab8500_platform_data);
                 }
         }
diff --git a/include/linux/mfd/db8500-prcmu.h b/include/linux/mfd/db8500-prcmu.h
index a65deddede2f..77a46ae2fc17 100644
--- a/include/linux/mfd/db8500-prcmu.h
+++ b/include/linux/mfd/db8500-prcmu.h
@@ -487,20 +487,6 @@ struct prcmu_auto_pm_config {
         u8 sva_policy;
 };
 
-#define PRCMU_FW_PROJECT_U8500          2
-#define PRCMU_FW_PROJECT_U9500          4
-#define PRCMU_FW_PROJECT_U8500_C2       7
-#define PRCMU_FW_PROJECT_U9500_C2       11
-#define PRCMU_FW_PROJECT_U8520          13
-#define PRCMU_FW_PROJECT_U8420          14
-
-struct prcmu_fw_version {
-        u8 project;
-        u8 api_version;
-        u8 func_version;
-        u8 errata;
-};
-
 #ifdef CONFIG_MFD_DB8500_PRCMU
 
 void db8500_prcmu_early_init(void);
diff --git a/include/linux/mfd/dbx500-prcmu.h b/include/linux/mfd/dbx500-prcmu.h
index 155280642583..f8bac7cfc25f 100644
--- a/include/linux/mfd/dbx500-prcmu.h
+++ b/include/linux/mfd/dbx500-prcmu.h
@@ -12,6 +12,10 @@
 #include <linux/notifier.h>
 #include <linux/err.h>
 
+/* Offset for the firmware version within the TCPM */
+#define DB8500_PRCMU_FW_VERSION_OFFSET 0xA4
+#define DBX540_PRCMU_FW_VERSION_OFFSET 0xA8
+
 /* PRCMU Wakeup defines */
 enum prcmu_wakeup_index {
         PRCMU_WAKEUP_INDEX_RTC,
@@ -214,6 +218,48 @@ enum ddr_pwrst {
         DDR_PWR_STATE_OFFHIGHLAT    = 0x03
 };
 
+#define DB8500_PRCMU_LEGACY_OFFSET              0xDD4
+
+struct prcmu_pdata
+{
+        bool enable_set_ddr_opp;
+        bool enable_ape_opp_100_voltage;
+        struct ab8500_platform_data *ab_platdata;
+        u32 version_offset;
+        u32 legacy_offset;
+        u32 adt_offset;
+};
+
+#define PRCMU_FW_PROJECT_U8500          2
+#define PRCMU_FW_PROJECT_U8400          3
+#define PRCMU_FW_PROJECT_U9500          4 /* Customer specific */
+#define PRCMU_FW_PROJECT_U8500_MBB      5
+#define PRCMU_FW_PROJECT_U8500_C1       6
+#define PRCMU_FW_PROJECT_U8500_C2       7
+#define PRCMU_FW_PROJECT_U8500_C3       8
+#define PRCMU_FW_PROJECT_U8500_C4       9
+#define PRCMU_FW_PROJECT_U9500_MBL      10
+#define PRCMU_FW_PROJECT_U8500_MBL      11 /* Customer specific */
+#define PRCMU_FW_PROJECT_U8500_MBL2     12 /* Customer specific */
+#define PRCMU_FW_PROJECT_U8520          13
+#define PRCMU_FW_PROJECT_U8420          14
+#define PRCMU_FW_PROJECT_A9420          20
+/* [32..63] 9540 and derivatives */
+#define PRCMU_FW_PROJECT_U9540          32
+/* [64..95] 8540 and derivatives */
+#define PRCMU_FW_PROJECT_L8540          64
+/* [96..126] 8580 and derivatives */
+#define PRCMU_FW_PROJECT_L8580          96
+
+#define PRCMU_FW_PROJECT_NAME_LEN       20
+struct prcmu_fw_version {
+        u32 project; /* Notice, project shifted with 8 on ux540 */
+        u8 api_version;
+        u8 func_version;
+        u8 errata;
+        char project_name[PRCMU_FW_PROJECT_NAME_LEN];
+};
+
 #include <linux/mfd/db8500-prcmu.h>
 
 #if defined(CONFIG_UX500_SOC_DB8500)