summaryrefslogtreecommitdiffstats
path: root/arch/x86/cpu/queensbay/tnc.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/cpu/queensbay/tnc.c')
-rw-r--r--arch/x86/cpu/queensbay/tnc.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/arch/x86/cpu/queensbay/tnc.c b/arch/x86/cpu/queensbay/tnc.c
new file mode 100644
index 0000000000..8637cdca2d
--- /dev/null
+++ b/arch/x86/cpu/queensbay/tnc.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/pci.h>
+#include <asm/post.h>
+#include <asm/arch/tnc.h>
+#include <asm/arch/fsp/fsp_support.h>
+#include <asm/processor.h>
+
+static void unprotect_spi_flash(void)
+{
+ u32 bc;
+
+ bc = pci_read_config32(PCH_LPC_DEV, 0xd8);
+ bc |= 0x1; /* unprotect the flash */
+ pci_write_config32(PCH_LPC_DEV, 0xd8, bc);
+}
+
+int arch_cpu_init(void)
+{
+ struct pci_controller *hose;
+ int ret;
+
+ post_code(POST_CPU_INIT);
+#ifdef CONFIG_SYS_X86_TSC_TIMER
+ timer_set_base(rdtsc());
+#endif
+
+ ret = x86_cpu_init_f();
+ if (ret)
+ return ret;
+
+ ret = pci_early_init_hose(&hose);
+ if (ret)
+ return ret;
+
+ unprotect_spi_flash();
+
+ return 0;
+}
+
+int print_cpuinfo(void)
+{
+ post_code(POST_CPU_INFO);
+ return default_print_cpuinfo();
+}
+
+void reset_cpu(ulong addr)
+{
+ /* cold reset */
+ outb(0x06, PORT_RESET);
+}
+
+void board_final_cleanup(void)
+{
+ u32 status;
+
+ /* call into FspNotify */
+ debug("Calling into FSP (notify phase INIT_PHASE_BOOT): ");
+ status = fsp_notify(NULL, INIT_PHASE_BOOT);
+ if (status != FSP_SUCCESS)
+ debug("fail, error code %x\n", status);
+ else
+ debug("OK\n");
+
+ return;
+}
OpenPOWER on IntegriCloud