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authorSimon Glass <sjg@chromium.org>2019-04-25 21:58:50 -0600
committerBin Meng <bmeng.cn@gmail.com>2019-05-08 13:02:12 +0800
commit6b83b29578907da0561b5055ad09d8d8dbcfb098 (patch)
tree3f9edc3edac98a2eba8d4a9b522407f22e376512 /arch
parent4eabf1e54b7ad1d1d7511af65570743ed756f85c (diff)
x86: broadwell: Move init of debug UART to cpu.c
At present the debug UART is set up in sdram.c which is not the best place since it has nothing in particular to do with SDRAM. Since we want to support initing this in SPL too, move it to a common file. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> [bmeng: added 'broadwell' tag in the commit title] Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/cpu/broadwell/cpu.c13
-rw-r--r--arch/x86/cpu/broadwell/sdram.c11
2 files changed, 13 insertions, 11 deletions
diff --git a/arch/x86/cpu/broadwell/cpu.c b/arch/x86/cpu/broadwell/cpu.c
index 232fa40eb5..d53c7b863f 100644
--- a/arch/x86/cpu/broadwell/cpu.c
+++ b/arch/x86/cpu/broadwell/cpu.c
@@ -12,7 +12,9 @@
#include <asm/cpu_x86.h>
#include <asm/cpu_common.h>
#include <asm/intel_regs.h>
+#include <asm/lpc_common.h>
#include <asm/msr.h>
+#include <asm/pci.h>
#include <asm/post.h>
#include <asm/turbo.h>
#include <asm/arch/cpu.h>
@@ -156,6 +158,17 @@ int print_cpuinfo(void)
return 0;
}
+void board_debug_uart_init(void)
+{
+ struct udevice *bus = NULL;
+
+ /* com1 / com2 decode range */
+ pci_x86_write_config(bus, PCH_DEV_LPC, LPC_IO_DEC, 1 << 4, PCI_SIZE_16);
+
+ pci_x86_write_config(bus, PCH_DEV_LPC, LPC_EN, COMA_LPC_EN,
+ PCI_SIZE_16);
+}
+
/*
* The core 100MHz BLCK is disabled in deeper c-states. One needs to calibrate
* the 100MHz BCLCK against the 24MHz BLCK to restore the clocks properly
diff --git a/arch/x86/cpu/broadwell/sdram.c b/arch/x86/cpu/broadwell/sdram.c
index b8450cc9d2..b31d78c092 100644
--- a/arch/x86/cpu/broadwell/sdram.c
+++ b/arch/x86/cpu/broadwell/sdram.c
@@ -194,17 +194,6 @@ int misc_init_r(void)
return 0;
}
-void board_debug_uart_init(void)
-{
- struct udevice *bus = NULL;
-
- /* com1 / com2 decode range */
- pci_x86_write_config(bus, PCH_DEV_LPC, LPC_IO_DEC, 1 << 4, PCI_SIZE_16);
-
- pci_x86_write_config(bus, PCH_DEV_LPC, LPC_EN, COMA_LPC_EN,
- PCI_SIZE_16);
-}
-
static const struct udevice_id broadwell_syscon_ids[] = {
{ .compatible = "intel,me", .data = X86_SYSCON_ME },
{ }