Add an ACPI table for the LPC on Apollo Lake.

Signed-off-by: Simon Glass <s...@chromium.org>
---

 arch/x86/cpu/apollolake/lpc.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/x86/cpu/apollolake/lpc.c b/arch/x86/cpu/apollolake/lpc.c
index 45b2144fc6..7c0ebf332b 100644
--- a/arch/x86/cpu/apollolake/lpc.c
+++ b/arch/x86/cpu/apollolake/lpc.c
@@ -6,12 +6,16 @@
  */
 
 #include <common.h>
+#include <acpi_table.h>
 #include <dm.h>
 #include <spl.h>
+#include <asm/cpu_common.h>
+#include <asm/intel_acpi.h>
 #include <asm/lpc_common.h>
 #include <asm/pci.h>
 #include <asm/arch/iomap.h>
 #include <asm/arch/lpc.h>
+#include <dm/acpi.h>
 #include <linux/log2.h>
 
 void lpc_enable_fixed_io_ranges(uint io_enables)
@@ -109,6 +113,17 @@ void lpc_io_setup_comm_a_b(void)
        lpc_enable_fixed_io_ranges(com_enable);
 }
 
+static int apl_acpi_lpc_get_name(const struct udevice *dev, char *out_name)
+{
+       return acpi_return_name(out_name, "LPCB");
+}
+
+struct acpi_ops apl_lpc_acpi_ops = {
+       .get_name       = apl_acpi_lpc_get_name,
+       .write_tables   = intel_southbridge_write_acpi_tables,
+       .inject_dsdt    = southbridge_inject_dsdt,
+};
+
 static const struct udevice_id apl_lpc_ids[] = {
        { .compatible = "intel,apl-lpc" },
        { }
@@ -119,4 +134,5 @@ U_BOOT_DRIVER(apl_lpc_drv) = {
        .name           = "intel_apl_lpc",
        .id             = UCLASS_LPC,
        .of_match       = apl_lpc_ids,
+       acpi_ops_ptr(&apl_lpc_acpi_ops)
 };
-- 
2.25.0.341.g760bfbb309-goog

Reply via email to