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-rw-r--r--drivers/misc/aspeed-lpc-snoop.c34
-rw-r--r--drivers/misc/mei/hw-me.c45
-rw-r--r--drivers/misc/mei/hw-me.h39
-rw-r--r--drivers/misc/mei/pci-me.c109
4 files changed, 151 insertions, 76 deletions
diff --git a/drivers/misc/aspeed-lpc-snoop.c b/drivers/misc/aspeed-lpc-snoop.c
index 593905565b74..cb78c98bc78d 100644
--- a/drivers/misc/aspeed-lpc-snoop.c
+++ b/drivers/misc/aspeed-lpc-snoop.c
@@ -20,6 +20,7 @@
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
@@ -51,6 +52,13 @@
#define HICRB_ENSNP0D BIT(14)
#define HICRB_ENSNP1D BIT(15)
+struct aspeed_lpc_snoop_model_data {
+ /* The ast2400 has bits 14 and 15 as reserved, whereas the ast2500
+ * can use them.
+ */
+ unsigned int has_hicrb_ensnp;
+};
+
struct aspeed_lpc_snoop {
struct regmap *regmap;
int irq;
@@ -123,10 +131,13 @@ static int aspeed_lpc_snoop_config_irq(struct aspeed_lpc_snoop *lpc_snoop,
}
static int aspeed_lpc_enable_snoop(struct aspeed_lpc_snoop *lpc_snoop,
- int channel, u16 lpc_port)
+ struct device *dev,
+ int channel, u16 lpc_port)
{
int rc = 0;
u32 hicr5_en, snpwadr_mask, snpwadr_shift, hicrb_en;
+ const struct aspeed_lpc_snoop_model_data *model_data =
+ of_device_get_match_data(dev);
/* Create FIFO datastructure */
rc = kfifo_alloc(&lpc_snoop->snoop_fifo[channel],
@@ -155,7 +166,9 @@ static int aspeed_lpc_enable_snoop(struct aspeed_lpc_snoop *lpc_snoop,
regmap_update_bits(lpc_snoop->regmap, HICR5, hicr5_en, hicr5_en);
regmap_update_bits(lpc_snoop->regmap, SNPWADR, snpwadr_mask,
lpc_port << snpwadr_shift);
- regmap_update_bits(lpc_snoop->regmap, HICRB, hicrb_en, hicrb_en);
+ if (model_data->has_hicrb_ensnp)
+ regmap_update_bits(lpc_snoop->regmap, HICRB,
+ hicrb_en, hicrb_en);
return rc;
}
@@ -213,14 +226,14 @@ static int aspeed_lpc_snoop_probe(struct platform_device *pdev)
if (rc)
return rc;
- rc = aspeed_lpc_enable_snoop(lpc_snoop, 0, port);
+ rc = aspeed_lpc_enable_snoop(lpc_snoop, dev, 0, port);
if (rc)
return rc;
/* Configuration of 2nd snoop channel port is optional */
if (of_property_read_u32_index(dev->of_node, "snoop-ports",
1, &port) == 0) {
- rc = aspeed_lpc_enable_snoop(lpc_snoop, 1, port);
+ rc = aspeed_lpc_enable_snoop(lpc_snoop, dev, 1, port);
if (rc)
aspeed_lpc_disable_snoop(lpc_snoop, 0);
}
@@ -239,8 +252,19 @@ static int aspeed_lpc_snoop_remove(struct platform_device *pdev)
return 0;
}
+static const struct aspeed_lpc_snoop_model_data ast2400_model_data = {
+ .has_hicrb_ensnp = 0,
+};
+
+static const struct aspeed_lpc_snoop_model_data ast2500_model_data = {
+ .has_hicrb_ensnp = 1,
+};
+
static const struct of_device_id aspeed_lpc_snoop_match[] = {
- { .compatible = "aspeed,ast2500-lpc-snoop" },
+ { .compatible = "aspeed,ast2400-lpc-snoop",
+ .data = &ast2400_model_data },
+ { .compatible = "aspeed,ast2500-lpc-snoop",
+ .data = &ast2500_model_data },
{ },
};
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c
index 71216affcab1..10dcf4ff99a5 100644
--- a/drivers/misc/mei/hw-me.c
+++ b/drivers/misc/mei/hw-me.c
@@ -1354,10 +1354,10 @@ static bool mei_me_fw_type_sps(struct pci_dev *pdev)
.quirk_probe = mei_me_fw_type_sps
-#define MEI_CFG_LEGACY_HFS \
+#define MEI_CFG_ICH_HFS \
.fw_status.count = 0
-#define MEI_CFG_ICH_HFS \
+#define MEI_CFG_ICH10_HFS \
.fw_status.count = 1, \
.fw_status.status[0] = PCI_CFG_HFS_1
@@ -1376,38 +1376,61 @@ static bool mei_me_fw_type_sps(struct pci_dev *pdev)
.fw_status.status[5] = PCI_CFG_HFS_6
/* ICH Legacy devices */
-const struct mei_cfg mei_me_legacy_cfg = {
- MEI_CFG_LEGACY_HFS,
+static const struct mei_cfg mei_me_ich_cfg = {
+ MEI_CFG_ICH_HFS,
};
/* ICH devices */
-const struct mei_cfg mei_me_ich_cfg = {
- MEI_CFG_ICH_HFS,
+static const struct mei_cfg mei_me_ich10_cfg = {
+ MEI_CFG_ICH10_HFS,
};
/* PCH devices */
-const struct mei_cfg mei_me_pch_cfg = {
+static const struct mei_cfg mei_me_pch_cfg = {
MEI_CFG_PCH_HFS,
};
-
/* PCH Cougar Point and Patsburg with quirk for Node Manager exclusion */
-const struct mei_cfg mei_me_pch_cpt_pbg_cfg = {
+static const struct mei_cfg mei_me_pch_cpt_pbg_cfg = {
MEI_CFG_PCH_HFS,
MEI_CFG_FW_NM,
};
/* PCH8 Lynx Point and newer devices */
-const struct mei_cfg mei_me_pch8_cfg = {
+static const struct mei_cfg mei_me_pch8_cfg = {
MEI_CFG_PCH8_HFS,
};
/* PCH8 Lynx Point with quirk for SPS Firmware exclusion */
-const struct mei_cfg mei_me_pch8_sps_cfg = {
+static const struct mei_cfg mei_me_pch8_sps_cfg = {
MEI_CFG_PCH8_HFS,
MEI_CFG_FW_SPS,
};
+/*
+ * mei_cfg_list - A list of platform platform specific configurations.
+ * Note: has to be synchronized with enum mei_cfg_idx.
+ */
+static const struct mei_cfg *const mei_cfg_list[] = {
+ [MEI_ME_UNDEF_CFG] = NULL,
+ [MEI_ME_ICH_CFG] = &mei_me_ich_cfg,
+ [MEI_ME_ICH10_CFG] = &mei_me_ich10_cfg,
+ [MEI_ME_PCH_CFG] = &mei_me_pch_cfg,
+ [MEI_ME_PCH_CPT_PBG_CFG] = &mei_me_pch_cpt_pbg_cfg,
+ [MEI_ME_PCH8_CFG] = &mei_me_pch8_cfg,
+ [MEI_ME_PCH8_SPS_CFG] = &mei_me_pch8_sps_cfg,
+};
+
+const struct mei_cfg *mei_me_get_cfg(kernel_ulong_t idx)
+{
+ BUILD_BUG_ON(ARRAY_SIZE(mei_cfg_list) != MEI_ME_NUM_CFG);
+
+ if (idx >= MEI_ME_NUM_CFG)
+ return NULL;
+
+ return mei_cfg_list[idx];
+};
+
/**
* mei_me_dev_init - allocates and initializes the mei device structure
*
diff --git a/drivers/misc/mei/hw-me.h b/drivers/misc/mei/hw-me.h
index cf64847a35b9..67892533576e 100644
--- a/drivers/misc/mei/hw-me.h
+++ b/drivers/misc/mei/hw-me.h
@@ -41,8 +41,7 @@ struct mei_cfg {
#define MEI_PCI_DEVICE(dev, cfg) \
.vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, \
- .driver_data = (kernel_ulong_t)&(cfg)
-
+ .driver_data = (kernel_ulong_t)(cfg),
#define MEI_ME_RPM_TIMEOUT 500 /* ms */
@@ -63,12 +62,36 @@ struct mei_me_hw {
#define to_me_hw(dev) (struct mei_me_hw *)((dev)->hw)
-extern const struct mei_cfg mei_me_legacy_cfg;
-extern const struct mei_cfg mei_me_ich_cfg;
-extern const struct mei_cfg mei_me_pch_cfg;
-extern const struct mei_cfg mei_me_pch_cpt_pbg_cfg;
-extern const struct mei_cfg mei_me_pch8_cfg;
-extern const struct mei_cfg mei_me_pch8_sps_cfg;
+/**
+ * enum mei_cfg_idx - indices to platform specific configurations.
+ *
+ * Note: has to be synchronized with mei_cfg_list[]
+ *
+ * @MEI_ME_UNDEF_CFG: Lower sentinel.
+ * @MEI_ME_ICH_CFG: I/O Controller Hub legacy devices.
+ * @MEI_ME_ICH10_CFG: I/O Controller Hub platforms Gen10
+ * @MEI_ME_PCH_CFG: Platform Controller Hub platforms (Up to Gen8).
+ * @MEI_ME_PCH_CPT_PBG_CFG:Platform Controller Hub workstations
+ * with quirk for Node Manager exclusion.
+ * @MEI_ME_PCH8_CFG: Platform Controller Hub Gen8 and newer
+ * client platforms.
+ * @MEI_ME_PCH8_SPS_CFG: Platform Controller Hub Gen8 and newer
+ * servers platforms with quirk for
+ * SPS firmware exclusion.
+ * @MEI_ME_NUM_CFG: Upper Sentinel.
+ */
+enum mei_cfg_idx {
+ MEI_ME_UNDEF_CFG,
+ MEI_ME_ICH_CFG,
+ MEI_ME_ICH10_CFG,
+ MEI_ME_PCH_CFG,
+ MEI_ME_PCH_CPT_PBG_CFG,
+ MEI_ME_PCH8_CFG,
+ MEI_ME_PCH8_SPS_CFG,
+ MEI_ME_NUM_CFG,
+};
+
+const struct mei_cfg *mei_me_get_cfg(kernel_ulong_t idx);
struct mei_device *mei_me_dev_init(struct pci_dev *pdev,
const struct mei_cfg *cfg);
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index 8621a198a2ce..3f4e36b8892f 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -43,57 +43,58 @@
/* mei_pci_tbl - PCI Device ID Table */
static const struct pci_device_id mei_me_pci_tbl[] = {
- {MEI_PCI_DEVICE(MEI_DEV_ID_82946GZ, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_82G35, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_82Q965, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_82G965, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_82GM965, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_82GME965, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_82Q35, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_82G33, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_82Q33, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_82X38, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_3200, mei_me_legacy_cfg)},
-
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_6, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_7, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_8, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_9, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_10, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9M_1, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9M_2, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9M_3, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9M_4, mei_me_legacy_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH10_1, mei_me_ich_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH10_2, mei_me_ich_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH10_3, mei_me_ich_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_ICH10_4, mei_me_ich_cfg)},
-
- {MEI_PCI_DEVICE(MEI_DEV_ID_IBXPK_1, mei_me_pch_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_IBXPK_2, mei_me_pch_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_CPT_1, mei_me_pch_cpt_pbg_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_PBG_1, mei_me_pch_cpt_pbg_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_PPT_1, mei_me_pch_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_PPT_2, mei_me_pch_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_PPT_3, mei_me_pch_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_LPT_H, mei_me_pch8_sps_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_LPT_W, mei_me_pch8_sps_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_LPT_LP, mei_me_pch8_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_LPT_HR, mei_me_pch8_sps_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_WPT_LP, mei_me_pch8_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_WPT_LP_2, mei_me_pch8_cfg)},
-
- {MEI_PCI_DEVICE(MEI_DEV_ID_SPT, mei_me_pch8_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_2, mei_me_pch8_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H, mei_me_pch8_sps_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H_2, mei_me_pch8_sps_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_LBG, mei_me_pch8_cfg)},
-
- {MEI_PCI_DEVICE(MEI_DEV_ID_BXT_M, mei_me_pch8_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_APL_I, mei_me_pch8_cfg)},
-
- {MEI_PCI_DEVICE(MEI_DEV_ID_KBP, mei_me_pch8_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_KBP_2, mei_me_pch8_cfg)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_82946GZ, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_82G35, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_82Q965, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_82G965, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_82GM965, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_82GME965, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_82Q35, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_82G33, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_82Q33, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_82X38, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_3200, MEI_ME_ICH_CFG)},
+
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_6, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_7, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_8, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_9, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9_10, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9M_1, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9M_2, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9M_3, MEI_ME_ICH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH9M_4, MEI_ME_ICH_CFG)},
+
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH10_1, MEI_ME_ICH10_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH10_2, MEI_ME_ICH10_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH10_3, MEI_ME_ICH10_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ICH10_4, MEI_ME_ICH10_CFG)},
+
+ {MEI_PCI_DEVICE(MEI_DEV_ID_IBXPK_1, MEI_ME_PCH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_IBXPK_2, MEI_ME_PCH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_CPT_1, MEI_ME_PCH_CPT_PBG_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_PBG_1, MEI_ME_PCH_CPT_PBG_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_PPT_1, MEI_ME_PCH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_PPT_2, MEI_ME_PCH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_PPT_3, MEI_ME_PCH_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_LPT_H, MEI_ME_PCH8_SPS_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_LPT_W, MEI_ME_PCH8_SPS_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_LPT_LP, MEI_ME_PCH8_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_LPT_HR, MEI_ME_PCH8_SPS_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_WPT_LP, MEI_ME_PCH8_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_WPT_LP_2, MEI_ME_PCH8_CFG)},
+
+ {MEI_PCI_DEVICE(MEI_DEV_ID_SPT, MEI_ME_PCH8_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_2, MEI_ME_PCH8_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H, MEI_ME_PCH8_SPS_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H_2, MEI_ME_PCH8_SPS_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_LBG, MEI_ME_PCH8_CFG)},
+
+ {MEI_PCI_DEVICE(MEI_DEV_ID_BXT_M, MEI_ME_PCH8_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_APL_I, MEI_ME_PCH8_CFG)},
+
+ {MEI_PCI_DEVICE(MEI_DEV_ID_KBP, MEI_ME_PCH8_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_KBP_2, MEI_ME_PCH8_CFG)},
/* required last entry */
{0, }
@@ -138,12 +139,15 @@ static bool mei_me_quirk_probe(struct pci_dev *pdev,
*/
static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
- const struct mei_cfg *cfg = (struct mei_cfg *)(ent->driver_data);
+ const struct mei_cfg *cfg;
struct mei_device *dev;
struct mei_me_hw *hw;
unsigned int irqflags;
int err;
+ cfg = mei_me_get_cfg(ent->driver_data);
+ if (!cfg)
+ return -ENODEV;
if (!mei_me_quirk_probe(pdev, cfg))
return -ENODEV;
@@ -485,6 +489,7 @@ static struct pci_driver mei_me_driver = {
.remove = mei_me_remove,
.shutdown = mei_me_shutdown,
.driver.pm = MEI_ME_PM_OPS,
+ .driver.probe_type = PROBE_PREFER_ASYNCHRONOUS,
};
module_pci_driver(mei_me_driver);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 12:57:23 +0100