Add an empty method for now. We will add more to it in future patches.
Signed-off-by: Simon Glass sjg@chromium.org ---
arch/x86/cpu/ivybridge/cpu.c | 11 ++++++++++- arch/x86/cpu/ivybridge/lpc.c | 11 +++++++++++ 2 files changed, 21 insertions(+), 1 deletion(-)
diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c index b7cdae1..276ae50 100644 --- a/arch/x86/cpu/ivybridge/cpu.c +++ b/arch/x86/cpu/ivybridge/cpu.c @@ -15,6 +15,7 @@ #include <dm.h> #include <errno.h> #include <fdtdec.h> +#include <lpc.h> #include <pch.h> #include <asm/cpu.h> #include <asm/io.h> @@ -212,7 +213,7 @@ int print_cpuinfo(void) { enum pei_boot_mode_t boot_mode = PEI_BOOT_NONE; char processor_name[CPU_MAX_NAME_LEN]; - struct udevice *dev; + struct udevice *dev, *lpc; const char *name; uint32_t pm1_cnt; uint16_t pm1_sts; @@ -254,6 +255,14 @@ int print_cpuinfo(void) if (ret) return ret;
+ ret = uclass_first_device(UCLASS_LPC, &lpc); + if (ret) + return ret; + if (!dev) + return -ENODEV; + ret = lpc_init(lpc); + if (ret) + return ret; sandybridge_early_init(SANDYBRIDGE_MOBILE);
/* Check PM1_STS[15] to see if we are waking from Sx */ diff --git a/arch/x86/cpu/ivybridge/lpc.c b/arch/x86/cpu/ivybridge/lpc.c index f124de6..dd7b788 100644 --- a/arch/x86/cpu/ivybridge/lpc.c +++ b/arch/x86/cpu/ivybridge/lpc.c @@ -10,6 +10,7 @@ #include <dm.h> #include <errno.h> #include <fdtdec.h> +#include <lpc.h> #include <rtc.h> #include <pci.h> #include <asm/acpi.h> @@ -618,6 +619,11 @@ void lpc_enable(pci_dev_t dev) setbits_le32(RCB_REG(FD2), PCH_ENABLE_DBDF); }
+static int bd82x6x_lpc_init(struct udevice *dev) +{ + return 0; +} + static int bd82x6x_lpc_probe(struct udevice *dev) { int ret; @@ -634,6 +640,10 @@ static int bd82x6x_lpc_probe(struct udevice *dev) return 0; }
+static struct lpc_ops bd82x6x_lpc_ops = { + .init = bd82x6x_lpc_init, +}; + static const struct udevice_id bd82x6x_lpc_ids[] = { { .compatible = "intel,bd82x6x-lpc" }, { } @@ -644,4 +654,5 @@ U_BOOT_DRIVER(bd82x6x_lpc_drv) = { .id = UCLASS_LPC, .of_match = bd82x6x_lpc_ids, .probe = bd82x6x_lpc_probe, + .ops = &bd82x6x_lpc_ops, };