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authorMichał Żygowski <michal.zygowski@3mdeb.com>2019-11-23 18:03:46 +0100
committerKyösti Mälkki <kyosti.malkki@gmail.com>2019-12-04 16:39:33 +0000
commit8cee45c3f8f05d936ba181f56405b8c936666a36 (patch)
tree36e0cf79a1438e53b28ff51d0c6b5c9d7bd83cb8 /src/southbridge/amd/agesa
parent55009af42c39f413c49503670ce9bc2858974962 (diff)
downloadcoreboot-8cee45c3f8f05d936ba181f56405b8c936666a36.tar.xz
sb/amd/{agesa,pi}/hudson: add southbridge C bootblock initialization
Signed-off-by: Michał Żygowski <michal.zygowski@3mdeb.com> Change-Id: Iaba5443d8770473c4abe73ec2a91f8d6a52574af Reviewed-on: https://review.coreboot.org/c/coreboot/+/37168 Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/southbridge/amd/agesa')
-rw-r--r--src/southbridge/amd/agesa/hudson/Makefile.inc7
-rw-r--r--src/southbridge/amd/agesa/hudson/bootblock.c45
-rw-r--r--src/southbridge/amd/agesa/hudson/early_setup.c18
-rw-r--r--src/southbridge/amd/agesa/hudson/hudson.h41
4 files changed, 110 insertions, 1 deletions
diff --git a/src/southbridge/amd/agesa/hudson/Makefile.inc b/src/southbridge/amd/agesa/hudson/Makefile.inc
index 5cb3755e8b..5c921280f7 100644
--- a/src/southbridge/amd/agesa/hudson/Makefile.inc
+++ b/src/southbridge/amd/agesa/hudson/Makefile.inc
@@ -17,7 +17,12 @@ ramstage-y += sd.c
ramstage-$(CONFIG_HAVE_ACPI_TABLES) += fadt.c
ramstage-y += reset.c
-bootblock-y += enable_usbdebug.c
+ifneq ($(CONFIG_ROMCC_BOOTBLOCK),y)
+bootblock-y += bootblock.c
+bootblock-y += early_setup.c
+bootblock-$(CONFIG_USBDEBUG) += enable_usbdebug.c
+endif
+
romstage-y += enable_usbdebug.c
ramstage-y += enable_usbdebug.c
romstage-y += early_setup.c
diff --git a/src/southbridge/amd/agesa/hudson/bootblock.c b/src/southbridge/amd/agesa/hudson/bootblock.c
index f12cec8602..97e8803f48 100644
--- a/src/southbridge/amd/agesa/hudson/bootblock.c
+++ b/src/southbridge/amd/agesa/hudson/bootblock.c
@@ -60,3 +60,48 @@ static void bootblock_southbridge_init(void)
{
hudson_enable_rom();
}
+
+
+#if !CONFIG(ROMCC_BOOTBLOCK)
+
+#include <bootblock_common.h>
+#include <amdblocks/acpimmio.h>
+#include <southbridge/amd/agesa/hudson/hudson.h>
+
+void bootblock_soc_early_init(void)
+{
+ pci_devfn_t dev;
+ u32 data;
+
+ bootblock_southbridge_init();
+ hudson_lpc_decode();
+ enable_acpimmio_decode_pm24();
+
+ dev = PCI_DEV(0, 0x14, 3);
+ data = pci_read_config32(dev, LPC_IO_OR_MEM_DECODE_ENABLE);
+ /* enable 0x2e/0x4e IO decoding for SuperIO */
+ pci_write_config32(dev, LPC_IO_OR_MEM_DECODE_ENABLE, data | 3);
+
+ /*
+ * Enable FCH to decode TPM associated Memory and IO regions for vboot
+ *
+ * Enable decoding of TPM cycles defined in TPM 1.2 spec
+ * Enable decoding of legacy TPM addresses: IO addresses 0x7f-
+ * 0x7e and 0xef-0xee.
+ */
+
+ data = pci_read_config32(dev, LPC_TRUSTED_PLATFORM_MODULE);
+ data |= TPM_12_EN | TPM_LEGACY_EN;
+ pci_write_config32(dev, LPC_TRUSTED_PLATFORM_MODULE, data);
+
+ /*
+ * In Hudson RRG, PMIOxD2[5:4] is "Drive strength control for
+ * LpcClk[1:0]". This following register setting has been
+ * replicated in every reference design since Parmer, so it is
+ * believed to be required even though it is not documented in
+ * the SoC BKDGs. Without this setting, there is no serial
+ * output.
+ */
+ pm_write8(0xd2, 0);
+}
+#endif
diff --git a/src/southbridge/amd/agesa/hudson/early_setup.c b/src/southbridge/amd/agesa/hudson/early_setup.c
index c5e6c25b68..d85cb2b6f1 100644
--- a/src/southbridge/amd/agesa/hudson/early_setup.c
+++ b/src/southbridge/amd/agesa/hudson/early_setup.c
@@ -87,4 +87,22 @@ void hudson_lpc_port80(void)
pci_write_config8(dev, 0x4a, byte);
}
+void hudson_lpc_decode(void)
+{
+ pci_devfn_t dev;
+ u32 tmp;
+
+ dev = PCI_DEV(0, 0x14, 3);
+ /* Serial port numeration on Hudson:
+ * PORT0 - 0x3f8
+ * PORT1 - 0x2f8
+ * PORT5 - 0x2e8
+ * PORT7 - 0x3e8
+ */
+ tmp = DECODE_ENABLE_SERIAL_PORT0 | DECODE_ENABLE_SERIAL_PORT1
+ | DECODE_ENABLE_SERIAL_PORT5 | DECODE_ENABLE_SERIAL_PORT7;
+
+ pci_write_config32(dev, LPC_IO_PORT_DECODE_ENABLE, tmp);
+}
+
#endif /* _HUDSON_EARLY_SETUP_C_ */
diff --git a/src/southbridge/amd/agesa/hudson/hudson.h b/src/southbridge/amd/agesa/hudson/hudson.h
index 4927a3adfd..8a36ea2251 100644
--- a/src/southbridge/amd/agesa/hudson/hudson.h
+++ b/src/southbridge/amd/agesa/hudson/hudson.h
@@ -45,6 +45,46 @@
#define REV_HUDSON_A11 0x11
#define REV_HUDSON_A12 0x12
+#define LPC_IO_PORT_DECODE_ENABLE 0x44
+#define DECODE_ENABLE_PARALLEL_PORT0 BIT(0)
+#define DECODE_ENABLE_PARALLEL_PORT1 BIT(1)
+#define DECODE_ENABLE_PARALLEL_PORT2 BIT(2)
+#define DECODE_ENABLE_PARALLEL_PORT3 BIT(3)
+#define DECODE_ENABLE_PARALLEL_PORT4 BIT(4)
+#define DECODE_ENABLE_PARALLEL_PORT5 BIT(5)
+#define DECODE_ENABLE_SERIAL_PORT0 BIT(6)
+#define DECODE_ENABLE_SERIAL_PORT1 BIT(7)
+#define DECODE_ENABLE_SERIAL_PORT2 BIT(8)
+#define DECODE_ENABLE_SERIAL_PORT3 BIT(9)
+#define DECODE_ENABLE_SERIAL_PORT4 BIT(10)
+#define DECODE_ENABLE_SERIAL_PORT5 BIT(11)
+#define DECODE_ENABLE_SERIAL_PORT6 BIT(12)
+#define DECODE_ENABLE_SERIAL_PORT7 BIT(13)
+#define DECODE_ENABLE_AUDIO_PORT0 BIT(14)
+#define DECODE_ENABLE_AUDIO_PORT1 BIT(15)
+#define DECODE_ENABLE_AUDIO_PORT2 BIT(16)
+#define DECODE_ENABLE_AUDIO_PORT3 BIT(17)
+#define DECODE_ENABLE_MIDI_PORT0 BIT(18)
+#define DECODE_ENABLE_MIDI_PORT1 BIT(19)
+#define DECODE_ENABLE_MIDI_PORT2 BIT(20)
+#define DECODE_ENABLE_MIDI_PORT3 BIT(21)
+#define DECODE_ENABLE_MSS_PORT0 BIT(22)
+#define DECODE_ENABLE_MSS_PORT1 BIT(23)
+#define DECODE_ENABLE_MSS_PORT2 BIT(24)
+#define DECODE_ENABLE_MSS_PORT3 BIT(25)
+#define DECODE_ENABLE_FDC_PORT0 BIT(26)
+#define DECODE_ENABLE_FDC_PORT1 BIT(27)
+#define DECODE_ENABLE_GAME_PORT BIT(28)
+#define DECODE_ENABLE_KBC_PORT BIT(29)
+#define DECODE_ENABLE_ACPIUC_PORT BIT(30)
+#define DECODE_ENABLE_ADLIB_PORT BIT(31)
+
+#define LPC_IO_OR_MEM_DECODE_ENABLE 0x48
+
+#define LPC_TRUSTED_PLATFORM_MODULE 0x7c
+#define TPM_12_EN BIT(0)
+#define TPM_LEGACY_EN BIT(2)
+
#define SPIROM_BASE_ADDRESS_REGISTER 0xA0
#define SPI_ROM_ENABLE 0x02
#define SPI_BASE_ADDRESS 0xFEC10000
@@ -63,6 +103,7 @@ static inline int hudson_ide_enable(void)
void hudson_lpc_port80(void);
void hudson_pci_port80(void);
+void hudson_lpc_decode(void);
void hudson_clk_output_48Mhz(void);
void hudson_enable(struct device *dev);