util/superiotool: add IT8987 detection and register support

Signed-off-by: Matt Parnell <mparnell@gmail.com>

Change-Id: I3674bc7035a28c4174a1bc1ee014c88e0ac96e8d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34888
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

1 files changed, 141 insertions, 0 deletions

diff --git a/util/superiotool/ite.c b/util/superiotool/ite.c
index 8f1e2ea019..2e21e80f4a 100644
--- a/util/superiotool/ite.c
+++ b/util/superiotool/ite.c
@@ -1064,6 +1064,71 @@ static const struct superio_registers reg_table[] = {
 			{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
 			{0x00,0x02,0xf8,0x03,0x00,0x50,0x00,EOT}},
 		{EOT}}},
+	{0x8987, "IT8987", { /* global registers 0x24, 0x27, 0x28, 0x29, 0x2a, 0x2b are reserved */
+		{NOLDN, "Chip ID",
+			{0x20,0x21, EOT},
+			{0x89,0x87, EOT}},
+		{NOLDN, "Chip Version",
+			{0x22,EOT},
+			{0x03,EOT}},
+		{NOLDN, "Super I/O Control Register (SIOCTRL)",
+			{0x23,EOT},
+			{0x01,EOT}},
+		{NOLDN, "Super I/O Configuration Register (SIOIRQ)",
+			{0x25,EOT},
+			{0x00,EOT}},
+		{NOLDN, "Super I/O General Purpose Register (SIOGP)",
+			{0x26,EOT},
+			{0x00,EOT}},
+		{NOLDN, "Super I/O Power Mode Register (SIOPWR)",
+			{0x2d,EOT},
+			{0x00,EOT}},
+		{NOLDN, "Depth 2 I/O Address (D2ADR)",
+			{0x2e,EOT},
+			{0x00,EOT}},
+		{NOLDN, "Depth 2 I/O Data (D2DAT)",
+			{0x2f,EOT},
+			{0x00,EOT}},
+		{0x04, "System Wake-Up Control (SWUC)",
+			{0x30,0x60,0x61,0x62,0x63,0x70,0x71,EOT},
+			{0x00,0x00,0x00,0x00,0x00,0x00,0x01,EOT}},
+		{0x05, "KBC/Mouse Interface",
+			{0x30,0x60,0x61,0x62,0x63,0x70,0x71,EOT},
+			{0x00,0x00,0x00,0x00,0x00,0x0c,0x01,EOT}},
+		{0x06, "KBC/Keyboard Interface",
+			{0x30,0x60,0x61,0x62,0x63,0x70,0x71,EOT},
+			{0x00,0x00,0x60,0x00,0x64,0x01,0x01,EOT}},
+		{0xa, "Consumer IR",
+			{0x30,0x60,0x61,0x70,0x71,EOT},
+			{0x00,0x03,0x10,0x00,0x02,EOT}},
+		{0x0f, "Shared Memory/Flash Interface (SMFI)",
+			{0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf4,EOT},
+			{0x00,0x00,0x00,0x00,0x00,0x00,0x00,NANA,EOT}},
+		{0x10, "Real Time Clock (RTC)",
+			{0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,0xf1,0xf2,EOT},
+			{0x00,0x00,0x70,0x00,0x72,0x08,0x00,0x00,0x49,0x4a,EOT}},
+		{0x11, "Power Management I/F Channel 1 (PMC1)",
+			{0x30,0x60,0x61,0x62,0x63,0x70,0x71,EOT},
+			{0x00,0x00,0x62,0x00,0x66,0x01,0x01,EOT}},
+		{0x12, "Power Management I/F Channel 2 (PMC2)",
+			{0x30,0x60,0x61,0x62,0x63,0x64,0x65,0x70,0x71,0xf0,EOT},
+			{0x00,0x00,0x68,0x00,0x6c,0x00,0x00,0x01,0x01,NANA,EOT}},
+		{0x13, "Serial Peripheral Interface (SSPI)",
+			{0x30,0x60,0x61,0x62,0x63,0x70,0x71,EOT},
+			{0x00,0x03,0x00,0x00,0x00,0x00,0x00,EOT}},
+		{0x14, "Platform Environment Control Interface (PECI)",
+			{0x30,0x60,0x61,0x62,0x63,0x70,0x71,EOT},
+			{0x00,0x00,0x00,0x00,0x00,0x00,0x00,EOT}},
+		{0x17, "Power Management I/F Channel 3 (PMC3)",
+			{0x30,0x60,0x61,0x62,0x63,0x70,0x71,EOT},
+			{0x00,0x00,0x62,0x00,0x66,0x01,0x01,EOT}},
+		{0x18, "Power Management I/F Channel 4 (PMC4)",
+			{0x30,0x60,0x61,0x62,0x63,0x64,0x65,0x70,0x71,0xf0,EOT},
+			{0x00,0x00,0x68,0x00,0x6c,0x00,0x00,0x01,0x01,NANA,EOT}},
+		{0x19, "Power Management I/F Channel 5 (PMC5)",
+			{0x30,0x60,0x61,0x62,0x63,0x64,0x65,0x70,0x71,0xf0,EOT},
+			{0x00,0x00,0x68,0x00,0x6c,0x00,0x00,0x01,0x01,NANA,EOT}},
+			{EOT}}},
 	{EOT}
 };
 
@@ -1280,6 +1345,68 @@ static const struct superio_registers bram_table[] = {
 			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
 			 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
 		{EOT}}},
+{0x8987, "IT8987", {
+		{NOLDN, NULL,
+			{0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,
+			 0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
+			 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{NOLDN, NULL,
+			{0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,
+			 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
+			 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{NOLDN, NULL,
+			{0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
+			 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
+			 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{NOLDN, NULL,
+			{0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,
+			 0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
+			 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{NOLDN, NULL,
+			{0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47,
+			 0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
+			 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{NOLDN, NULL,
+			{0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,
+			 0x58,0x59,0x5a,0x5b,0x5c,0x5d,0x5e,0x5f,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
+			 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{NOLDN, NULL,
+			{0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67,
+			 0x68,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,0x6f,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
+			 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{NOLDN, NULL,
+			{0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,
+			 0x78,0x79,0x7a,0x7b,0x7c,0x7d,0x7e,0x7f,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
+			 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{NOLDN, NULL,
+			{0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,
+			 0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
+			 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{NOLDN, NULL,
+			{0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,
+			 0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
+			 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{NOLDN, NULL,
+			{0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7,
+			 0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
+			 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{NOLDN, NULL,
+			{0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb6,0xb7,
+			 0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0xbe,0xbf,EOT},
+			{NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
+			 NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
+		{EOT}}},
 	{EOT}
 };
 
@@ -1351,6 +1478,14 @@ static void enter_conf_mode_ite_it8228e(uint16_t port)
 	OUTB((port == 0x2e) ? 0x55 : 0xaa, port);
 }
 
+static void enter_conf_mode_ite_it8987e(uint16_t port)
+{
+	OUTB(0x89, port);
+	OUTB(0x87, port);
+	OUTB(0x55, port);
+	OUTB((port == 0x2e) ? 0x55 : 0xaa, port);
+}
+
 static void exit_conf_mode_ite(uint16_t port)
 {
 	regwrite(port, 0x02, 0x02);
@@ -1444,6 +1579,12 @@ void probe_idregs_ite(uint16_t port)
 		if (chip_found_at_port)
 			return;
 
+		enter_conf_mode_ite_it8987e(port);
+		probe_idregs_ite_helper("(init=it8987e) ", port);
+		exit_conf_mode_ite(port);
+		if (chip_found_at_port)
+			return;
+
 		enter_conf_mode_winbond_fintek_ite_8787(port);
 		probe_idregs_ite_helper("(init=0x87,0x87) ", port);
 		exit_conf_mode_winbond_fintek_ite_8787(port);