mb/lenovo/*/romstage: Use macros instead of magic numbers
Apparently coreboot still uses magic numbers instead of macros in some
Lenovo mainboards. Let's use macros instead. Also removed FDD from l520
romstage (original value, 0x3c0c, means that FDD_LPC_EN was also
enabled).
Change-Id: I6468e3357f8eed434f8527a852e134380f486d9a
Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Reviewed-on: https://review.coreboot.org/28976
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
diff --git a/src/mainboard/lenovo/l520/romstage.c b/src/mainboard/lenovo/l520/romstage.c
index 0f6ffed..89bc8ef 100644
--- a/src/mainboard/lenovo/l520/romstage.c
+++ b/src/mainboard/lenovo/l520/romstage.c
@@ -25,11 +25,15 @@
void pch_enable_lpc(void)
{
- pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x3c0c);
- pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x84, 0x007c1611);
- pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x88, 0x00040069);
- pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x8c, 0x000c0701);
- pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x90, 0x00000000);
+ /* EC Decode Range Port60/64, Port62/66 */
+ /* Enable EC, PS/2 Keyboard/Mouse, LPT */
+ pci_write_config16(PCH_LPC_DEV, LPC_EN,
+ CNF2_LPC_EN | CNF1_LPC_EN | MC_LPC_EN | KBC_LPC_EN |
+ LPT_LPC_EN);
+
+ pci_write_config32(PCH_LPC_DEV, LPC_GEN1_DEC, 0x7c1611);
+ pci_write_config32(PCH_LPC_DEV, LPC_GEN2_DEC, 0x040069);
+ pci_write_config32(PCH_LPC_DEV, LPC_GEN3_DEC, 0x0c0701);
}
void mainboard_rcba_config(void)
diff --git a/src/mainboard/lenovo/s230u/romstage.c b/src/mainboard/lenovo/s230u/romstage.c
index 7e002d4..f4241db 100644
--- a/src/mainboard/lenovo/s230u/romstage.c
+++ b/src/mainboard/lenovo/s230u/romstage.c
@@ -32,18 +32,17 @@
void pch_enable_lpc(void)
{
- pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x0c00);
- pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x84, 0x00000000);
- pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x88, 0x000c0701);
- pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x8c, 0x000c0069);
- pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x90, 0x000c06a1);
- pci_write_config32(PCI_DEV(0, 0x1f, 0), ETR3, 0x10000);
+ pci_write_config16(PCH_LPC_DEV, LPC_EN, MC_LPC_EN | KBC_LPC_EN);
+ pci_write_config32(PCH_LPC_DEV, LPC_GEN2_DEC, 0xc0701);
+ pci_write_config32(PCH_LPC_DEV, LPC_GEN3_DEC, 0xc0069);
+ pci_write_config32(PCH_LPC_DEV, LPC_GEN4_DEC, 0xc06a1);
+ pci_write_config32(PCH_LPC_DEV, ETR3, 0x10000);
/* Memory map KB9012 EC registers */
pci_write_config32(
- PCI_DEV(0, 0x1f, 0), 0x98,
+ PCH_LPC_DEV, LGMR,
CONFIG_EC_BASE_ADDRESS | 1);
- pci_write_config16(PCI_DEV(0, 0x1f, 0), 0xd8, 0xffc0);
+ pci_write_config16(PCH_LPC_DEV, BIOS_DEC_EN1, 0xffc0);
/* Enable external USB port power. */
if (IS_ENABLED(CONFIG_USBDEBUG))
@@ -53,7 +52,7 @@
void mainboard_rcba_config(void)
{
/* Disable devices. */
- RCBA32(0x3414) = 0x00000020;
+ RCBA32(BUC) = 0x00000020;
}
const struct southbridge_usb_port mainboard_usb_ports[] = {
{ 1, 1, 0 },
diff --git a/src/southbridge/intel/bd82x6x/pch.h b/src/southbridge/intel/bd82x6x/pch.h
index 66f5727..e234ca0 100644
--- a/src/southbridge/intel/bd82x6x/pch.h
+++ b/src/southbridge/intel/bd82x6x/pch.h
@@ -188,6 +188,8 @@
#define LPC_GEN2_DEC 0x88 /* LPC IF Generic Decode Range 2 */
#define LPC_GEN3_DEC 0x8c /* LPC IF Generic Decode Range 3 */
#define LPC_GEN4_DEC 0x90 /* LPC IF Generic Decode Range 4 */
+#define LGMR 0x98 /* LPC Generic Memory Range */
+#define BIOS_DEC_EN1 0xd8 /* BIOS Decode Enable */
/* PCI Configuration Space (D31:F1): IDE */
#define PCH_IDE_DEV PCI_DEV(0, 0x1f, 1)