diff options
| -rw-r--r-- | arch/arm/mach-ux500/board-mop500.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/cpu-db8500.c | 7 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/devices-db8500.c | 44 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/devices-db8500.h | 5 | ||||
| -rw-r--r-- | drivers/mfd/db8500-prcmu.c | 122 | ||||
| -rw-r--r-- | include/linux/mfd/db8500-prcmu.h | 14 | ||||
| -rw-r--r-- | include/linux/mfd/dbx500-prcmu.h | 46 |
7 files changed, 180 insertions, 63 deletions
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index d453522edb0d..6cb1407961e0 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -215,7 +215,7 @@ 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), @@ -651,6 +651,7 @@ 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(); @@ -685,6 +686,7 @@ 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); @@ -710,6 +712,7 @@ 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 09c3fee726d4..8501970641bc 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -139,14 +139,9 @@ 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[] = { @@ -286,6 +281,8 @@ 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", 0, "pinctrl-db8500", NULL), /* Requires clock name and DMA bindings. */ 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/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 67d8b25d183e..eba03d2329dd 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"; } @@ -2759,37 +2778,44 @@ 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); @@ -3099,20 +3125,30 @@ 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); @@ -3126,7 +3162,7 @@ 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) |