sb/intel/lynxpoint: Add native PCH init

Implement native PCH initialisation for Lynx Point. This is only needed
when MRC.bin is not used.

Change-Id: I36867bdc8b20000e44ff9d0d7b2c0d63952bd561
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64181
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

1 files changed, 46 insertions, 0 deletions

diff --git a/src/southbridge/intel/lynxpoint/hsio/hsio.h b/src/southbridge/intel/lynxpoint/hsio/hsio.h
new file mode 100644
index 0000000000..689ef4a05b
--- /dev/null
+++ b/src/southbridge/intel/lynxpoint/hsio/hsio.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef SOUTHBRIDGE_INTEL_LYNXPOINT_HSIO_H
+#define SOUTHBRIDGE_INTEL_LYNXPOINT_HSIO_H
+
+#include <southbridge/intel/lynxpoint/iobp.h>
+#include <types.h>
+
+struct hsio_table_row {
+	uint32_t addr;
+	uint32_t and;
+	uint32_t or;
+};
+
+static inline void hsio_update(const uint32_t addr, const uint32_t and, const uint32_t or)
+{
+	pch_iobp_update(addr, and, or);
+}
+
+static inline void hsio_update_row(const struct hsio_table_row row)
+{
+	hsio_update(row.addr, row.and, row.or);
+}
+
+void hsio_xhci_shared_update(const uint32_t addr, const uint32_t and, const uint32_t or);
+void hsio_sata_shared_update(const uint32_t addr, const uint32_t and, const uint32_t or);
+
+static inline void hsio_sata_shared_update_row(const struct hsio_table_row row)
+{
+	hsio_sata_shared_update(row.addr, row.and, row.or);
+}
+
+static inline void hsio_xhci_shared_update_row(const struct hsio_table_row row)
+{
+	hsio_xhci_shared_update(row.addr, row.and, row.or);
+}
+
+void program_hsio_sata_lpt_h_cx(const bool is_mobile);
+void program_hsio_xhci_lpt_h_cx(void);
+void program_hsio_igbe_lpt_h_cx(void);
+
+void program_hsio_sata_lpt_lp_bx(const bool is_mobile);
+void program_hsio_xhci_lpt_lp_bx(void);
+void program_hsio_igbe_lpt_lp_bx(void);
+
+#endif