diff options
author | Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> | 2011-05-12 13:12:36 +0900 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-05-12 09:47:42 -0700 |
commit | 275640b0d8f0ef8c493d7b6613a23d427929b5db (patch) | |
tree | 8c6d70bd2de3108c5ec029d42f99d9baa899bc0d /drivers/misc/pch_phub.c | |
parent | aa273ae52118265c5cb0f7026a7f032c765c8b67 (diff) | |
download | linux-275640b0d8f0ef8c493d7b6613a23d427929b5db.tar.bz2 |
pch_phub: Support new device ML7223
Support new device OKI SEMICONDUCTOR ML7223 IOH(Input/Output Hub).
The ML7223 IOH is for MP(Media Phone) use.
The ML7223 is companion chip for Intel Atom E6xx series.
The ML7223 is completely compatible for Intel EG20T PCH.
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/misc/pch_phub.c')
-rw-r--r-- | drivers/misc/pch_phub.c | 153 |
1 files changed, 129 insertions, 24 deletions
diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c index a19cb710a246..5fe79df44838 100644 --- a/drivers/misc/pch_phub.c +++ b/drivers/misc/pch_phub.c @@ -34,12 +34,18 @@ #define PHUB_TIMEOUT 0x05 /* Time out value for Status Register */ #define PCH_PHUB_ROM_WRITE_ENABLE 0x01 /* Enabling for writing ROM */ #define PCH_PHUB_ROM_WRITE_DISABLE 0x00 /* Disabling for writing ROM */ -#define PCH_PHUB_MAC_START_ADDR 0x20C /* MAC data area start address offset */ -#define PCH_PHUB_ROM_START_ADDR_EG20T 0x14 /* ROM data area start address offset +#define PCH_PHUB_MAC_START_ADDR_EG20T 0x14 /* MAC data area start address + offset */ +#define PCH_PHUB_MAC_START_ADDR_ML7223 0x20C /* MAC data area start address + offset */ +#define PCH_PHUB_ROM_START_ADDR_EG20T 0x80 /* ROM data area start address offset (Intel EG20T PCH)*/ #define PCH_PHUB_ROM_START_ADDR_ML7213 0x400 /* ROM data area start address offset(OKI SEMICONDUCTOR ML7213) */ +#define PCH_PHUB_ROM_START_ADDR_ML7223 0x400 /* ROM data area start address + offset(OKI SEMICONDUCTOR ML7223) + */ /* MAX number of INT_REDUCE_CONTROL registers */ #define MAX_NUM_INT_REDUCE_CONTROL_REG 128 @@ -63,6 +69,10 @@ #define PCI_VENDOR_ID_ROHM 0x10db #define PCI_DEVICE_ID_ROHM_ML7213_PHUB 0x801A +/* Macros for ML7223 */ +#define PCI_DEVICE_ID_ROHM_ML7223_mPHUB 0x8012 /* for Bus-m */ +#define PCI_DEVICE_ID_ROHM_ML7223_nPHUB 0x8002 /* for Bus-n */ + /* SROM ACCESS Macro */ #define PCH_WORD_ADDR_MASK (~((1 << 2) - 1)) @@ -100,6 +110,9 @@ * @clkcfg_reg: CLK CFG register val * @pch_phub_base_address: Register base address * @pch_phub_extrom_base_address: external rom base address + * @pch_mac_start_address: MAC address area start address + * @pch_opt_rom_start_address: Option ROM start address + * @ioh_type: Save IOH type */ struct pch_phub_reg { u32 phub_id_reg; @@ -117,6 +130,9 @@ struct pch_phub_reg { u32 clkcfg_reg; void __iomem *pch_phub_base_address; void __iomem *pch_phub_extrom_base_address; + u32 pch_mac_start_address; + u32 pch_opt_rom_start_address; + int ioh_type; }; /* SROM SPEC for MAC address assignment offset */ @@ -319,7 +335,7 @@ static void pch_phub_read_serial_rom_val(struct pch_phub_reg *chip, { unsigned int mem_addr; - mem_addr = PCH_PHUB_ROM_START_ADDR_EG20T + + mem_addr = chip->pch_mac_start_address + pch_phub_mac_offset[offset_address]; pch_phub_read_serial_rom(chip, mem_addr, data); @@ -336,7 +352,7 @@ static int pch_phub_write_serial_rom_val(struct pch_phub_reg *chip, int retval; unsigned int mem_addr; - mem_addr = PCH_PHUB_ROM_START_ADDR_EG20T + + mem_addr = chip->pch_mac_start_address + pch_phub_mac_offset[offset_address]; retval = pch_phub_write_serial_rom(chip, mem_addr, data); @@ -384,6 +400,48 @@ static int pch_phub_gbe_serial_rom_conf(struct pch_phub_reg *chip) return retval; } +/* pch_phub_gbe_serial_rom_conf_mp - makes SerialROM header format configuration + * for Gigabit Ethernet MAC address + */ +static int pch_phub_gbe_serial_rom_conf_mp(struct pch_phub_reg *chip) +{ + int retval; + u32 offset_addr; + + offset_addr = 0x200; + retval = pch_phub_write_serial_rom(chip, 0x03 + offset_addr, 0xbc); + retval |= pch_phub_write_serial_rom(chip, 0x02 + offset_addr, 0x00); + retval |= pch_phub_write_serial_rom(chip, 0x01 + offset_addr, 0x40); + retval |= pch_phub_write_serial_rom(chip, 0x00 + offset_addr, 0x02); + + retval |= pch_phub_write_serial_rom(chip, 0x07 + offset_addr, 0x00); + retval |= pch_phub_write_serial_rom(chip, 0x06 + offset_addr, 0x00); + retval |= pch_phub_write_serial_rom(chip, 0x05 + offset_addr, 0x00); + retval |= pch_phub_write_serial_rom(chip, 0x04 + offset_addr, 0x80); + + retval |= pch_phub_write_serial_rom(chip, 0x0b + offset_addr, 0xbc); + retval |= pch_phub_write_serial_rom(chip, 0x0a + offset_addr, 0x00); + retval |= pch_phub_write_serial_rom(chip, 0x09 + offset_addr, 0x40); + retval |= pch_phub_write_serial_rom(chip, 0x08 + offset_addr, 0x18); + + retval |= pch_phub_write_serial_rom(chip, 0x13 + offset_addr, 0xbc); + retval |= pch_phub_write_serial_rom(chip, 0x12 + offset_addr, 0x00); + retval |= pch_phub_write_serial_rom(chip, 0x11 + offset_addr, 0x40); + retval |= pch_phub_write_serial_rom(chip, 0x10 + offset_addr, 0x19); + + retval |= pch_phub_write_serial_rom(chip, 0x1b + offset_addr, 0xbc); + retval |= pch_phub_write_serial_rom(chip, 0x1a + offset_addr, 0x00); + retval |= pch_phub_write_serial_rom(chip, 0x19 + offset_addr, 0x40); + retval |= pch_phub_write_serial_rom(chip, 0x18 + offset_addr, 0x3a); + + retval |= pch_phub_write_serial_rom(chip, 0x1f + offset_addr, 0x01); + retval |= pch_phub_write_serial_rom(chip, 0x1e + offset_addr, 0x00); + retval |= pch_phub_write_serial_rom(chip, 0x1d + offset_addr, 0x00); + retval |= pch_phub_write_serial_rom(chip, 0x1c + offset_addr, 0x00); + + return retval; +} + /** * pch_phub_read_gbe_mac_addr() - Read Gigabit Ethernet MAC address * @offset_address: Gigabit Ethernet MAC address offset value. @@ -406,7 +464,10 @@ static int pch_phub_write_gbe_mac_addr(struct pch_phub_reg *chip, u8 *data) int retval; int i; - retval = pch_phub_gbe_serial_rom_conf(chip); + if (chip->ioh_type == 1) /* EG20T */ + retval = pch_phub_gbe_serial_rom_conf(chip); + else /* ML7223 */ + retval = pch_phub_gbe_serial_rom_conf_mp(chip); if (retval) return retval; @@ -441,12 +502,16 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj, } /* Get Rom signature */ - pch_phub_read_serial_rom(chip, 0x80, (unsigned char *)&rom_signature); + pch_phub_read_serial_rom(chip, chip->pch_opt_rom_start_address, + (unsigned char *)&rom_signature); rom_signature &= 0xff; - pch_phub_read_serial_rom(chip, 0x81, (unsigned char *)&tmp); + pch_phub_read_serial_rom(chip, chip->pch_opt_rom_start_address + 1, + (unsigned char *)&tmp); rom_signature |= (tmp & 0xff) << 8; if (rom_signature == 0xAA55) { - pch_phub_read_serial_rom(chip, 0x82, &rom_length); + pch_phub_read_serial_rom(chip, + chip->pch_opt_rom_start_address + 2, + &rom_length); orom_size = rom_length * 512; if (orom_size < off) { addr_offset = 0; @@ -458,8 +523,9 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj, } for (addr_offset = 0; addr_offset < count; addr_offset++) { - pch_phub_read_serial_rom(chip, 0x80 + addr_offset + off, - &buf[addr_offset]); + pch_phub_read_serial_rom(chip, + chip->pch_opt_rom_start_address + addr_offset + off, + &buf[addr_offset]); } } else { err = -ENODATA; @@ -502,8 +568,9 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj, if (PCH_PHUB_OROM_SIZE < off + addr_offset) goto return_ok; - ret = pch_phub_write_serial_rom(chip, 0x80 + addr_offset + off, - buf[addr_offset]); + ret = pch_phub_write_serial_rom(chip, + chip->pch_opt_rom_start_address + addr_offset + off, + buf[addr_offset]); if (ret) { err = ret; goto return_err; @@ -603,19 +670,22 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev, dev_dbg(&pdev->dev, "%s : pci_iomap SUCCESS and value " "in pch_phub_base_address variable is %p\n", __func__, chip->pch_phub_base_address); - chip->pch_phub_extrom_base_address = pci_map_rom(pdev, &rom_size); - if (chip->pch_phub_extrom_base_address == 0) { - dev_err(&pdev->dev, "%s : pci_map_rom FAILED", __func__); - ret = -ENOMEM; - goto err_pci_map; + if (id->driver_data != 3) { + chip->pch_phub_extrom_base_address =\ + pci_map_rom(pdev, &rom_size); + if (chip->pch_phub_extrom_base_address == 0) { + dev_err(&pdev->dev, "%s: pci_map_rom FAILED", __func__); + ret = -ENOMEM; + goto err_pci_map; + } + dev_dbg(&pdev->dev, "%s : " + "pci_map_rom SUCCESS and value in " + "pch_phub_extrom_base_address variable is %p\n", + __func__, chip->pch_phub_extrom_base_address); } - dev_dbg(&pdev->dev, "%s : " - "pci_map_rom SUCCESS and value in " - "pch_phub_extrom_base_address variable is %p\n", __func__, - chip->pch_phub_extrom_base_address); - if (id->driver_data == 1) { + if (id->driver_data == 1) { /* EG20T PCH */ retval = sysfs_create_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr); if (retval) @@ -642,7 +712,9 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev, iowrite32(0x000affaa, chip->pch_phub_base_address + 0x14); /* set the interrupt delay value */ iowrite32(0x25, chip->pch_phub_base_address + 0x44); - } else if (id->driver_data == 2) { + chip->pch_opt_rom_start_address = PCH_PHUB_ROM_START_ADDR_EG20T; + chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_EG20T; + } else if (id->driver_data == 2) { /* ML7213 IOH */ retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr); if (retval) goto err_sysfs_create; @@ -653,7 +725,38 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev, * Device8(USB OHCI #0/ USB EHCI #0):a */ iowrite32(0x000affa0, chip->pch_phub_base_address + 0x14); + chip->pch_opt_rom_start_address =\ + PCH_PHUB_ROM_START_ADDR_ML7213; + } else if (id->driver_data == 3) { /* ML7223 IOH Bus-m*/ + /* set the prefech value + * Device8(GbE) + */ + iowrite32(0x000a0000, chip->pch_phub_base_address + 0x14); + chip->pch_opt_rom_start_address =\ + PCH_PHUB_ROM_START_ADDR_ML7223; + chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_ML7223; + } else if (id->driver_data == 4) { /* ML7223 IOH Bus-n*/ + retval = sysfs_create_file(&pdev->dev.kobj, + &dev_attr_pch_mac.attr); + if (retval) + goto err_sysfs_create; + retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr); + if (retval) + goto exit_bin_attr; + /* set the prefech value + * Device2(USB OHCI #0,1,2,3/ USB EHCI #0):a + * Device4(SDIO #0,1):f + * Device6(SATA 2):f + */ + iowrite32(0x0000ffa0, chip->pch_phub_base_address + 0x14); + /* set the interrupt delay value */ + iowrite32(0x25, chip->pch_phub_base_address + 0x140); + chip->pch_opt_rom_start_address =\ + PCH_PHUB_ROM_START_ADDR_ML7223; + chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_ML7223; } + + chip->ioh_type = id->driver_data; pci_set_drvdata(pdev, chip); return 0; @@ -733,6 +836,8 @@ static int pch_phub_resume(struct pci_dev *pdev) static struct pci_device_id pch_phub_pcidev_id[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_PCH1_PHUB), 1, }, { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7213_PHUB), 2, }, + { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_mPHUB), 3, }, + { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_nPHUB), 4, }, { } }; MODULE_DEVICE_TABLE(pci, pch_phub_pcidev_id); @@ -759,5 +864,5 @@ static void __exit pch_phub_pci_exit(void) module_init(pch_phub_pci_init); module_exit(pch_phub_pci_exit); -MODULE_DESCRIPTION("PCH Packet Hub PCI Driver"); +MODULE_DESCRIPTION("Intel EG20T PCH/OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB"); MODULE_LICENSE("GPL"); |