diff options
| -rw-r--r-- | drivers/platform/x86/intel_pmc_ipc.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/platform/x86/intel_pmc_ipc.c b/drivers/platform/x86/intel_pmc_ipc.c index a0c773b3910e..0a39b0f17bbe 100644 --- a/drivers/platform/x86/intel_pmc_ipc.c +++ b/drivers/platform/x86/intel_pmc_ipc.c @@ -112,6 +112,13 @@ #define TCO_PMC_OFFSET 0x8 #define TCO_PMC_SIZE 0x4 +/* PMC register bit definitions */ + +/* PMC_CFG_REG bit masks */ +#define PMC_CFG_NO_REBOOT_MASK (1 << 4) +#define PMC_CFG_NO_REBOOT_EN (1 << 4) +#define PMC_CFG_NO_REBOOT_DIS (0 << 4) + static struct intel_pmc_ipc_dev { struct device *dev; void __iomem *ipc_base; @@ -126,8 +133,6 @@ static struct intel_pmc_ipc_dev { struct platform_device *tco_dev; /* gcr */ - resource_size_t gcr_base; - int gcr_size; void __iomem *gcr_mem_base; bool has_gcr_regs; @@ -313,6 +318,14 @@ gcr_ipc_unlock: } EXPORT_SYMBOL_GPL(intel_pmc_gcr_update); +static int update_no_reboot_bit(void *priv, bool set) +{ + u32 value = set ? PMC_CFG_NO_REBOOT_EN : PMC_CFG_NO_REBOOT_DIS; + + return intel_pmc_gcr_update(PMC_GCR_PMC_CFG_REG, + PMC_CFG_NO_REBOOT_MASK, value); +} + static int intel_pmc_ipc_check_status(void) { int status; @@ -630,15 +643,13 @@ static struct resource tco_res[] = { { .flags = IORESOURCE_IO, }, - /* GCS */ - { - .flags = IORESOURCE_MEM, - }, }; static struct itco_wdt_platform_data tco_info = { .name = "Apollo Lake SoC", .version = 5, + .no_reboot_priv = &ipcdev, + .update_no_reboot_bit = update_no_reboot_bit, }; #define TELEMETRY_RESOURCE_PUNIT_SSRAM 0 @@ -695,10 +706,6 @@ static int ipc_create_tco_device(void) res->start = ipcdev.acpi_io_base + SMI_EN_OFFSET; res->end = res->start + SMI_EN_SIZE - 1; - res = tco_res + TCO_RESOURCE_GCR_MEM; - res->start = ipcdev.gcr_base + TCO_PMC_OFFSET; - res->end = res->start + TCO_PMC_SIZE - 1; - pdev = platform_device_register_full(&pdevinfo); if (IS_ERR(pdev)) return PTR_ERR(pdev); @@ -860,9 +867,7 @@ static int ipc_plat_get_res(struct platform_device *pdev) } ipcdev.ipc_base = addr; - ipcdev.gcr_base = res->start + PLAT_RESOURCE_GCR_OFFSET; ipcdev.gcr_mem_base = addr + PLAT_RESOURCE_GCR_OFFSET; - ipcdev.gcr_size = PLAT_RESOURCE_GCR_SIZE; dev_info(&pdev->dev, "ipc res: %pR\n", res); ipcdev.telem_res_inval = 0; |