diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/common/block/cse/cse.c | 59 |
1 files changed, 17 insertions, 42 deletions
diff --git a/src/soc/intel/common/block/cse/cse.c b/src/soc/intel/common/block/cse/cse.c index ffe10a5ea5..d3b7d9ba13 100644 --- a/src/soc/intel/common/block/cse/cse.c +++ b/src/soc/intel/common/block/cse/cse.c @@ -64,9 +64,19 @@ #define MEI_HDR_CSE_ADDR_START 0 #define MEI_HDR_CSE_ADDR (((1 << 8) - 1) << MEI_HDR_CSE_ADDR_START) -static struct cse_device { - uintptr_t sec_bar; -} cse; +/* Get HECI BAR 0 from PCI configuration space */ +static uintptr_t get_cse_bar(void) +{ + uintptr_t bar; + + bar = pci_read_config32(PCH_DEV_CSE, PCI_BASE_ADDRESS_0); + assert(bar != 0); + /* + * Bits 31-12 are the base address as per EDS for SPI, + * Don't care about 0-11 bit + */ + return bar & ~PCI_BASE_ADDRESS_MEM_ATTR_MASK; +} /* * Initialize the device with provided temporary BAR. If BAR is 0 use a @@ -83,7 +93,7 @@ void heci_init(uintptr_t tempbar) u16 pcireg; /* Assume it is already initialized, nothing else to do */ - if (cse.sec_bar) + if (get_cse_bar()) return; /* Use default pre-ram bar */ @@ -102,38 +112,16 @@ void heci_init(uintptr_t tempbar) /* Enable Bus Master and MMIO Space */ pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY); - - cse.sec_bar = tempbar; -} - -/* Get HECI BAR 0 from PCI configuration space */ -static uint32_t get_cse_bar(void) -{ - uintptr_t bar; - - bar = pci_read_config32(PCH_DEV_CSE, PCI_BASE_ADDRESS_0); - assert(bar != 0); - /* - * Bits 31-12 are the base address as per EDS for SPI, - * Don't care about 0-11 bit - */ - return bar & ~PCI_BASE_ADDRESS_MEM_ATTR_MASK; } static uint32_t read_bar(uint32_t offset) { - /* Load and cache BAR */ - if (!cse.sec_bar) - cse.sec_bar = get_cse_bar(); - return read32((void *)(cse.sec_bar + offset)); + return read32p(get_cse_bar() + offset); } static void write_bar(uint32_t offset, uint32_t val) { - /* Load and cache BAR */ - if (!cse.sec_bar) - cse.sec_bar = get_cse_bar(); - return write32((void *)(cse.sec_bar + offset), val); + return write32p(get_cse_bar() + offset, val); } static uint32_t read_cse_csr(void) @@ -968,21 +956,8 @@ bool set_cse_device_state(enum cse_device_state requested_state) #if ENV_RAMSTAGE -static void update_sec_bar(struct device *dev) -{ - cse.sec_bar = find_resource(dev, PCI_BASE_ADDRESS_0)->base; -} - -static void cse_set_resources(struct device *dev) -{ - if (dev->path.pci.devfn == PCH_DEVFN_CSE) - update_sec_bar(dev); - - pci_dev_set_resources(dev); -} - static struct device_operations cse_ops = { - .set_resources = cse_set_resources, + .set_resources = pci_dev_set_resources, .read_resources = pci_dev_read_resources, .enable_resources = pci_dev_enable_resources, .init = pci_dev_init, |