diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/misc/pch_phub.c | 69 |
2 files changed, 53 insertions, 23 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index cc8e49db45fe..b7d5ef234ac9 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -441,7 +441,7 @@ config BMP085 module will be called bmp085. config PCH_PHUB - tristate "PCH Packet Hub of Intel Topcliff" + tristate "PCH Packet Hub of Intel Topcliff / OKI SEMICONDUCTOR ML7213" depends on PCI help This driver is for PCH(Platform controller Hub) PHUB(Packet Hub) of @@ -449,6 +449,11 @@ config PCH_PHUB processor. The Topcliff has MAC address and Option ROM data in SROM. This driver can access MAC address and Option ROM data in SROM. + This driver also can be used for OKI SEMICONDUCTOR's ML7213 which is + for IVI(In-Vehicle Infotainment) use. + ML7213 is companion chip for Intel Atom E6xx series. + ML7213 is completely compatible for Intel EG20T PCH. + To compile this driver as a module, choose M here: the module will be called pch_phub. diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c index 744b804aca15..98bffc471b17 100644 --- a/drivers/misc/pch_phub.c +++ b/drivers/misc/pch_phub.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010 OKI SEMICONDUCTOR Co., LTD. + * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -33,7 +33,12 @@ #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_ROM_START_ADDR 0x14 /* ROM data area start address offset */ +#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 + (Intel EG20T PCH)*/ +#define PCH_PHUB_ROM_START_ADDR_ML7213 0x400 /* ROM data area start address + offset(OKI SEMICONDUCTOR ML7213) + */ /* MAX number of INT_REDUCE_CONTROL registers */ #define MAX_NUM_INT_REDUCE_CONTROL_REG 128 @@ -42,6 +47,10 @@ #define CLKCFG_CAN_50MHZ 0x12000000 #define CLKCFG_CANCLK_MASK 0xFF000000 +/* Macros for ML7213 */ +#define PCI_VENDOR_ID_ROHM 0x10db +#define PCI_DEVICE_ID_ROHM_ML7213_PHUB 0x801A + /* SROM ACCESS Macro */ #define PCH_WORD_ADDR_MASK (~((1 << 2) - 1)) @@ -298,7 +307,7 @@ static void pch_phub_read_serial_rom_val(struct pch_phub_reg *chip, { unsigned int mem_addr; - mem_addr = PCH_PHUB_ROM_START_ADDR + + mem_addr = PCH_PHUB_ROM_START_ADDR_EG20T + pch_phub_mac_offset[offset_address]; pch_phub_read_serial_rom(chip, mem_addr, data); @@ -315,7 +324,7 @@ 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 + + mem_addr = PCH_PHUB_ROM_START_ADDR_EG20T + pch_phub_mac_offset[offset_address]; retval = pch_phub_write_serial_rom(chip, mem_addr, data); @@ -594,23 +603,38 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev, "pch_phub_extrom_base_address variable is %p\n", __func__, chip->pch_phub_extrom_base_address); - pci_set_drvdata(pdev, chip); - - 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; - - pch_phub_read_modify_write_reg(chip, (unsigned int)CLKCFG_REG_OFFSET, - CLKCFG_CAN_50MHZ, CLKCFG_CANCLK_MASK); + if (id->driver_data == 1) { + retval = sysfs_create_file(&pdev->dev.kobj, + &dev_attr_pch_mac.attr); + if (retval) + goto err_sysfs_create; - /* set the prefech value */ - iowrite32(0x000affaa, chip->pch_phub_base_address + 0x14); - /* set the interrupt delay value */ - iowrite32(0x25, chip->pch_phub_base_address + 0x44); + retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr); + if (retval) + goto exit_bin_attr; + + pch_phub_read_modify_write_reg(chip, + (unsigned int)CLKCFG_REG_OFFSET, + CLKCFG_CAN_50MHZ, + CLKCFG_CANCLK_MASK); + + /* set the prefech value */ + 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) { + retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr); + if (retval) + goto err_sysfs_create; + /* set the prefech value + * Device2(USB OHCI #1/ USB EHCI #1/ USB Device):a + * Device4(SDIO #0,1,2):f + * Device6(SATA 2):f + * Device8(USB OHCI #0/ USB EHCI #0):a + */ + iowrite32(0x000affa0, chip->pch_phub_base_address + 0x14); + } + pci_set_drvdata(pdev, chip); return 0; exit_bin_attr: @@ -687,8 +711,9 @@ static int pch_phub_resume(struct pci_dev *pdev) #endif /* CONFIG_PM */ static struct pci_device_id pch_phub_pcidev_id[] = { - {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_PCH1_PHUB)}, - {0,} + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_PCH1_PHUB), 1, }, + { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7213_PHUB), 2, }, + { } }; static struct pci_driver pch_phub_driver = { |