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authorJonathan A. Kollasch <jakllsch@kollasch.net>2015-11-03 12:19:35 -0600
committerStefan Reinauer <stefan.reinauer@coreboot.org>2015-11-10 00:58:19 +0100
commitb65fd3e305eba74d0a7f1b5466b4910710d5e2f3 (patch)
tree97357bb2722a0c29c4011af816f50e509c36d141 /src/mainboard/sunw/ultra40m2/mainboard.c
parent7c62e17f2ec201d4c0d3cbbf8454625f40d209ce (diff)
sunw/ultra40m2: initialize hardware monitor and fan control
Change-Id: I3fbb897feb68d899e5dec075a09d0dd605eca5ce Signed-off-by: Jonathan A. Kollasch <jakllsch@kollasch.net> Reviewed-on: http://review.coreboot.org/12309 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/mainboard/sunw/ultra40m2/mainboard.c')
-rw-r--r--src/mainboard/sunw/ultra40m2/mainboard.c151
1 files changed, 148 insertions, 3 deletions
diff --git a/src/mainboard/sunw/ultra40m2/mainboard.c b/src/mainboard/sunw/ultra40m2/mainboard.c
index 1f269953a1..3e2bbf004a 100644
--- a/src/mainboard/sunw/ultra40m2/mainboard.c
+++ b/src/mainboard/sunw/ultra40m2/mainboard.c
@@ -15,15 +15,160 @@
* GNU General Public License for more details.
*/
+#include <arch/io.h>
#include <console/console.h>
#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <device/pci_ops.h>
+#include <device/pnp_def.h>
+#include <device/smbus.h>
+#include <stdlib.h>
+#include <superio/smsc/dme1737/dme1737.h>
+static void emc6d103_init(void)
+{
+ size_t i;
+ int reg;
+
+ static const struct { uint8_t idx; uint8_t msk; uint8_t set; } script[] = {
+ { 0x7f, 0x7f, 0x80 }, // INIT
+ { 0x4f, 0x00, 0x64 }, // Diode 1 High 100°C
+ { 0x53, 0x00, 0x64 }, // Diode 2 High 100°C (Sun firmware didn't set this)
+ { 0x54, 0x00, 0x30 }, // Tach1 Minimum LSB
+ { 0x55, 0x00, 0x2a }, // Tach1 Minimum MSB
+ { 0x56, 0x00, 0x30 }, // Tach2 Minimum LSB
+ { 0x57, 0x00, 0x2a }, // Tach2 Minimum MSB
+ { 0x5c, 0x00, 0x02 }, // PWM 1 Config
+ { 0x5d, 0x00, 0x42 }, // PWM 2 Config
+ { 0x5f, 0x00, 0x8a }, // Zone 1 range, Fan 1 freq
+ { 0x60, 0x00, 0xca }, // Zone 2 range, Fan 2 freq
+ { 0x61, 0x00, 0x8a }, // Zone 3 range, Fan 3 freq
+ { 0x62, 0x00, 0x67 }, // Min/Off, PWM 1 ramp rate
+ { 0x63, 0x00, 0x70 }, // PWM 2, PWM 3 ramp rate
+ { 0x64, 0x00, 0x59 }, // PWM1 Minimum Duty Cycle
+ { 0x65, 0x00, 0x59 }, // PWM2 Minimum Duty Cycle
+ { 0x67, 0x00, 0x47 }, // Zone 1 Low Temp Limit
+ { 0x69, 0x00, 0x47 }, // Zone 3 Low Temp Limit
+ { 0x80, 0x00, 0x07 }, // Interrupt Enable 2
+ { 0x40, 0xfe, 0x01 }, // START
+ };
+
+ struct device * const dev = dev_find_slot_on_smbus(2, 0x2d);
+ if (dev == NULL)
+ printk(BIOS_WARNING, "EMC6D103 not found\n");
+
+ printk(BIOS_SPEW, "%s EMC6D103 id: %x %x\n", __func__, smbus_read_byte(dev, 0x3e), smbus_read_byte(dev, 0x3f));
+
+ for (i = 0; i < ARRAY_SIZE(script); i++) {
+ reg = smbus_read_byte(dev, script[i].idx);
+ if (reg < 0)
+ goto fail;
+ reg &= script[i].msk;
+ reg |= script[i].set;
+ reg = smbus_write_byte(dev, script[i].idx, reg & 0xff);
+ if (reg < 0)
+ goto fail;
+ }
+
+ return;
+
+fail:
+ printk(BIOS_WARNING, "failed to initialize EMC6D103\n");
+}
+
+/* set up DME1737 runtime registers for FAN/PWM 5/6 */
+static void dme1737_runtime_init(void)
+{
+ size_t i;
+ uint8_t reg;
+
+ static const struct { uint8_t idx; uint8_t msk; uint8_t set; } rttab[] = {
+ { 0x43, 0xf3, 0x08 },
+ { 0x44, 0xf0, 0x08 },
+ { 0x45, 0xf3, 0x08 },
+ { 0x46, 0xf0, 0x08 },
+ };
+
+ /* find DME1737 runtime device (LDN 10) */
+ struct device * const dev = dev_find_slot_pnp(0x2e, DME1737_RT);
+ if (dev == NULL)
+ return;
+
+ struct resource * const res = find_resource(dev, PNP_IDX_IO0);
+ if (res == NULL)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(rttab); i++) {
+ reg = inb(res->base + rttab[i].idx);
+ reg &= rttab[i].msk;
+ reg |= rttab[i].set;
+ outb(reg, res->base + rttab[i].idx);
+ }
+}
+
+static void dme1737_hwm_init(void)
+{
+ size_t i;
+ int reg;
+
+ static const struct { uint8_t idx; uint8_t msk; uint8_t set; } script[] = {
+ //{ 0x7f, 0x7f, 0x80 }, // INIT
+ { 0x4f, 0x00, 0x32 }, // High
+ { 0x54, 0x00, 0x30 }, // Tach0 Minimum LSB
+ { 0x55, 0x00, 0x2a }, // Tach0 Minimum MSB
+ { 0x56, 0x00, 0x30 }, // Tach1 Minimum LSB
+ { 0x57, 0x00, 0x2a }, // Tach1 Minimum MSB
+ { 0x5a, 0x00, 0x30 }, // Tach3 Minimum LSB
+ { 0x5b, 0x00, 0x2a }, // Tach3 Minimum MSB
+ { 0x5d, 0x00, 0x07 }, // PWM 1 Config: Zone 0
+ { 0x5f, 0x0f, 0x50 }, // Zone 0 range, PWM freq
+ { 0x62, 0x00, 0x67 }, // Ramp Rate
+ { 0x63, 0x00, 0x80 }, // Ramp Rate
+ { 0x65, 0x00, 0x0d }, // PWM 1 Minimum
+ { 0x67, 0x00, 0x23 }, // Zone 0 Low
+ { 0x6a, 0x00, 0x32 }, // Zone 0 High
+ { 0x6c, 0x00, 0x5a }, // Zone 2 Abs
+ { 0x80, 0x00, 0x17 }, // Interrupt Enable 2?
+ { 0xa5, 0x00, 0x40 }, // PMW 4: 25% duty
+ { 0xa6, 0x00, 0x40 }, // PWM 5: 25% duty
+ { 0x40, 0xfe, 0x01 }, // START
+ };
+
+ struct device * const dev = dev_find_slot_on_smbus(2, 0x2e);
+ if (dev == NULL) {
+ printk(BIOS_INFO, "SMBus DME1737 not found\n");
+ return;
+ }
+
+ printk(BIOS_SPEW, "%s DME1737 id: %x %x\n", __func__, smbus_read_byte(dev, 0x3e), smbus_read_byte(dev, 0x3f));
+
+ for (i = 0; i < ARRAY_SIZE(script); i++) {
+ reg = smbus_read_byte(dev, script[i].idx);
+ if (reg < 0)
+ goto fail;
+ reg &= script[i].msk;
+ reg |= script[i].set;
+ reg = smbus_write_byte(dev, script[i].idx, reg & 0xff);
+ if (reg < 0)
+ goto fail;
+ }
+
+ return;
+
+fail:
+ printk(BIOS_WARNING, "failed to initialize EMC6D103\n");
+}
+
+static void mainboard_init(device_t dev)
+{
+ emc6d103_init();
+ dme1737_runtime_init();
+ dme1737_hwm_init();
+
+ printk(BIOS_DEBUG, "%s done\n", __func__);
+}
static void mainboard_enable(device_t dev)
{
+ dev->ops->init = mainboard_init;
}
struct chip_operations mainboard_ops = {