From 9ddebc46e70b434e485060f7c1b53c5b848a6c8c Mon Sep 17 00:00:00 2001 From: David Daney Date: Wed, 22 May 2013 15:10:46 +0000 Subject: MIPS: OCTEON: Rename Kconfig CAVIUM_OCTEON_REFERENCE_BOARD to CAVIUM_OCTEON_SOC CAVIUM_OCTEON_SOC most place we used to use CPU_CAVIUM_OCTEON. This allows us to CPU_CAVIUM_OCTEON in places where we have no OCTEON SOC. Remove CAVIUM_OCTEON_SIMULATOR as it doesn't really do anything, we can get the same configuration with CAVIUM_OCTEON_SOC. Signed-off-by: David Daney Cc: linux-mips@linux-mips.org Cc: linux-ide@vger.kernel.org Cc: linux-edac@vger.kernel.org Cc: linux-i2c@vger.kernel.org Cc: netdev@vger.kernel.org Cc: spi-devel-general@lists.sourceforge.net Cc: devel@driverdev.osuosl.org Cc: linux-usb@vger.kernel.org Acked-by: Greg Kroah-Hartman Acked-by: Wolfram Sang Acked-by: Mauro Carvalho Chehab Patchwork: https://patchwork.linux-mips.org/patch/5295/ Signed-off-by: Ralf Baechle --- drivers/ata/Kconfig | 2 +- drivers/char/hw_random/Kconfig | 2 +- drivers/edac/Kconfig | 6 +++--- drivers/i2c/busses/Kconfig | 2 +- drivers/net/ethernet/octeon/Kconfig | 2 +- drivers/net/phy/Kconfig | 2 +- drivers/spi/Kconfig | 2 +- drivers/staging/octeon/Kconfig | 2 +- drivers/usb/host/Kconfig | 4 ++-- drivers/watchdog/Kconfig | 2 +- 10 files changed, 13 insertions(+), 13 deletions(-) (limited to 'drivers') diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index a5a3ebcbdd2c..dc20774bd647 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -160,7 +160,7 @@ config PDC_ADMA config PATA_OCTEON_CF tristate "OCTEON Boot Bus Compact Flash support" - depends on CPU_CAVIUM_OCTEON + depends on CAVIUM_OCTEON_SOC help This option enables a polled compact flash driver for use with compact flash cards attached to the OCTEON boot bus. diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 2f9dbf7568fb..40a865449f35 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -167,7 +167,7 @@ config HW_RANDOM_OMAP config HW_RANDOM_OCTEON tristate "Octeon Random Number Generator support" - depends on HW_RANDOM && CPU_CAVIUM_OCTEON + depends on HW_RANDOM && CAVIUM_OCTEON_SOC default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig index e443f2c1dfd1..923d2e82a289 100644 --- a/drivers/edac/Kconfig +++ b/drivers/edac/Kconfig @@ -349,21 +349,21 @@ config EDAC_OCTEON_PC config EDAC_OCTEON_L2C tristate "Cavium Octeon Secondary Caches (L2C)" - depends on EDAC_MM_EDAC && CPU_CAVIUM_OCTEON + depends on EDAC_MM_EDAC && CAVIUM_OCTEON_SOC help Support for error detection and correction on the Cavium Octeon family of SOCs. config EDAC_OCTEON_LMC tristate "Cavium Octeon DRAM Memory Controller (LMC)" - depends on EDAC_MM_EDAC && CPU_CAVIUM_OCTEON + depends on EDAC_MM_EDAC && CAVIUM_OCTEON_SOC help Support for error detection and correction on the Cavium Octeon family of SOCs. config EDAC_OCTEON_PCI tristate "Cavium Octeon PCI Controller" - depends on EDAC_MM_EDAC && PCI && CPU_CAVIUM_OCTEON + depends on EDAC_MM_EDAC && PCI && CAVIUM_OCTEON_SOC help Support for error detection and correction on the Cavium Octeon family of SOCs. diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 631736e2e7ed..a8fff7700624 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -726,7 +726,7 @@ config I2C_VERSATILE config I2C_OCTEON tristate "Cavium OCTEON I2C bus support" - depends on CPU_CAVIUM_OCTEON + depends on CAVIUM_OCTEON_SOC help Say yes if you want to support the I2C serial bus on Cavium OCTEON SOC. diff --git a/drivers/net/ethernet/octeon/Kconfig b/drivers/net/ethernet/octeon/Kconfig index 3de52ffd2872..a7aa28054cc1 100644 --- a/drivers/net/ethernet/octeon/Kconfig +++ b/drivers/net/ethernet/octeon/Kconfig @@ -4,7 +4,7 @@ config OCTEON_MGMT_ETHERNET tristate "Octeon Management port ethernet driver (CN5XXX, CN6XXX)" - depends on CPU_CAVIUM_OCTEON + depends on CAVIUM_OCTEON_SOC select PHYLIB select MDIO_OCTEON default y diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 1e11f2bfd9ce..84461e8824f7 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -135,7 +135,7 @@ config MDIO_GPIO config MDIO_OCTEON tristate "Support for MDIO buses on Octeon SOCs" - depends on CPU_CAVIUM_OCTEON + depends on CAVIUM_OCTEON_SOC default y help diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 92a9345d7a6b..20158978866f 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -266,7 +266,7 @@ config SPI_OC_TINY config SPI_OCTEON tristate "Cavium OCTEON SPI controller" - depends on CPU_CAVIUM_OCTEON + depends on CAVIUM_OCTEON_SOC help SPI host driver for the hardware found on some Cavium OCTEON SOCs. diff --git a/drivers/staging/octeon/Kconfig b/drivers/staging/octeon/Kconfig index 9493128e5fd2..6e1d5f8d3ec1 100644 --- a/drivers/staging/octeon/Kconfig +++ b/drivers/staging/octeon/Kconfig @@ -1,6 +1,6 @@ config OCTEON_ETHERNET tristate "Cavium Networks Octeon Ethernet support" - depends on CPU_CAVIUM_OCTEON && NETDEVICES + depends on CAVIUM_OCTEON_SOC && NETDEVICES select PHYLIB select MDIO_OCTEON help diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 344d5e2f87d7..54c121580738 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -285,7 +285,7 @@ config USB_EHCI_HCD_PLATFORM config USB_OCTEON_EHCI bool "Octeon on-chip EHCI support" - depends on CPU_CAVIUM_OCTEON + depends on CAVIUM_OCTEON_SOC default n select USB_EHCI_BIG_ENDIAN_MMIO help @@ -480,7 +480,7 @@ config USB_OHCI_HCD_PLATFORM config USB_OCTEON_OHCI bool "Octeon on-chip OHCI support" - depends on CPU_CAVIUM_OCTEON + depends on CAVIUM_OCTEON_SOC default USB_OCTEON_EHCI select USB_OHCI_BIG_ENDIAN_MMIO select USB_OHCI_LITTLE_ENDIAN diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index e89fc3133972..9d03af1c596f 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -1072,7 +1072,7 @@ config TXX9_WDT config OCTEON_WDT tristate "Cavium OCTEON SOC family Watchdog Timer" - depends on CPU_CAVIUM_OCTEON + depends on CAVIUM_OCTEON_SOC default y select EXPORT_UASM if OCTEON_WDT = m help -- cgit v1.2.3-59-g8ed1b From 27f62b9f294b7e2019c94c385abda43a0af6bb8b Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Thu, 13 Jun 2013 02:45:53 +0200 Subject: RAPIDIO: IDT_GEN2: Fix build error. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit CC drivers/rapidio/switches/idt_gen2.o drivers/rapidio/switches/idt_gen2.c: In function ‘idtg2_show_errlog’: drivers/rapidio/switches/idt_gen2.c:379:30: error: ‘PAGE_SIZE’ undeclared (first use in this function) drivers/rapidio/switches/idt_gen2.c:379:30: note: each undeclared identifier is reported only once for each function it appears in Signed-off-by: Ralf Baechle Acked-by: Alexandre Bounine --- drivers/rapidio/switches/idt_gen2.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/rapidio/switches/idt_gen2.c b/drivers/rapidio/switches/idt_gen2.c index 809b7a3336ba..5d3b0f014d35 100644 --- a/drivers/rapidio/switches/idt_gen2.c +++ b/drivers/rapidio/switches/idt_gen2.c @@ -15,6 +15,8 @@ #include #include #include + +#include #include "../rio.h" #define LOCAL_RTE_CONF_DESTID_SEL 0x010070 -- cgit v1.2.3-59-g8ed1b From cd6cbde6b01b6e82662cad392c0d177b4af17443 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Wed, 19 Jun 2013 10:57:33 +0200 Subject: WATCHDOG: sb_wdog: Fix 32 bit build failure Fixes the following linking problem: drivers/watchdog/sb_wdog.c:211: undefined reference to `__udivdi3' This results from reading a 64 bit register, then dividing the value by 1000000. For 32 bit kernels gcc will use the helper function __udivdi3 from libgcc which the kernel intentionally doesn't provide. In the read registerbits 23..63 are always zero and only bits 0..22 are signficant. So a simple cast to truncate the read value to 32 bits fixes the issue. Reported and initial patch by Markos Chandras . Signed-off-by: Ralf Baechle Reported-by: Markos Chandras --- drivers/watchdog/sb_wdog.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/watchdog/sb_wdog.c b/drivers/watchdog/sb_wdog.c index 25c7a3f9652d..ea5d84a1fdad 100644 --- a/drivers/watchdog/sb_wdog.c +++ b/drivers/watchdog/sb_wdog.c @@ -208,7 +208,7 @@ static long sbwdog_ioctl(struct file *file, unsigned int cmd, * get the remaining count from the ... count register * which is 1*8 before the config register */ - ret = put_user(__raw_readq(user_dog - 8) / 1000000, p); + ret = put_user((u32)__raw_readq(user_dog - 8) / 1000000, p); break; } return ret; -- cgit v1.2.3-59-g8ed1b From d5f1af7ece96cf52e0b110c72210ac15c2f65438 Mon Sep 17 00:00:00 2001 From: David Daney Date: Wed, 19 Jun 2013 20:37:27 +0000 Subject: tty/8250_dw: Add support for OCTEON UARTS. A few differences needed by OCTEON: o These are DWC UARTS, but have USR at a different offset. o Internal SoC buses require reading back from registers to maintain write ordering. o 8250 on OCTEON appears with 64-bit wide registers, so when using readb/writeb in big endian mode we have to adjust the membase to hit the proper part of the register. o No UCV register, so we hard code some properties. Because OCTEON doesn't have a UCV register, I change where dw8250_setup_port(), which reads the UCV, is called by pushing it in to the OF and ACPI probe functions, and move unchanged dw8250_setup_port() earlier in the file. Signed-off-by: David Daney Acked-by: Greg Kroah-Hartman Cc: Arnd Bergmann Cc: Heikki Krogerus Cc: linux-mips@linux-mips.org Cc: Jamie Iles Cc: Jiri Slaby Cc: linux-serial@vger.kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/5516/ Acked-by: Arnd Bergmann Reviewed-by: Heikki Krogerus Signed-off-by: Ralf Baechle --- drivers/tty/serial/8250/8250_dw.c | 108 ++++++++++++++++++++++++-------------- 1 file changed, 69 insertions(+), 39 deletions(-) (limited to 'drivers') diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index d07b6af3a937..76a8daadff47 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -29,6 +29,8 @@ #include #include +#include + #include "8250.h" /* Offsets for the DesignWare specific registers */ @@ -57,6 +59,7 @@ struct dw8250_data { int last_lcr; int line; struct clk *clk; + u8 usr_reg; }; static void dw8250_serial_out(struct uart_port *p, int offset, int value) @@ -77,6 +80,13 @@ static unsigned int dw8250_serial_in(struct uart_port *p, int offset) return readb(p->membase + offset); } +/* Read Back (rb) version to ensure register access ording. */ +static void dw8250_serial_out_rb(struct uart_port *p, int offset, int value) +{ + dw8250_serial_out(p, offset, value); + dw8250_serial_in(p, UART_LCR); +} + static void dw8250_serial_out32(struct uart_port *p, int offset, int value) { struct dw8250_data *d = p->private_data; @@ -104,7 +114,7 @@ static int dw8250_handle_irq(struct uart_port *p) return 1; } else if ((iir & UART_IIR_BUSY) == UART_IIR_BUSY) { /* Clear the USR and write the LCR again. */ - (void)p->serial_in(p, DW_UART_USR); + (void)p->serial_in(p, d->usr_reg); p->serial_out(p, UART_LCR, d->last_lcr); return 1; @@ -125,12 +135,60 @@ dw8250_do_pm(struct uart_port *port, unsigned int state, unsigned int old) pm_runtime_put_sync_suspend(port->dev); } -static int dw8250_probe_of(struct uart_port *p) +static void dw8250_setup_port(struct uart_8250_port *up) +{ + struct uart_port *p = &up->port; + u32 reg = readl(p->membase + DW_UART_UCV); + + /* + * If the Component Version Register returns zero, we know that + * ADDITIONAL_FEATURES are not enabled. No need to go any further. + */ + if (!reg) + return; + + dev_dbg_ratelimited(p->dev, "Designware UART version %c.%c%c\n", + (reg >> 24) & 0xff, (reg >> 16) & 0xff, (reg >> 8) & 0xff); + + reg = readl(p->membase + DW_UART_CPR); + if (!reg) + return; + + /* Select the type based on fifo */ + if (reg & DW_UART_CPR_FIFO_MODE) { + p->type = PORT_16550A; + p->flags |= UPF_FIXED_TYPE; + p->fifosize = DW_UART_CPR_FIFO_SIZE(reg); + up->tx_loadsz = p->fifosize; + up->capabilities = UART_CAP_FIFO; + } + + if (reg & DW_UART_CPR_AFCE_MODE) + up->capabilities |= UART_CAP_AFE; +} + +static int dw8250_probe_of(struct uart_port *p, + struct dw8250_data *data) { struct device_node *np = p->dev->of_node; u32 val; - - if (!of_property_read_u32(np, "reg-io-width", &val)) { + bool has_ucv = true; + + if (of_device_is_compatible(np, "cavium,octeon-3860-uart")) { +#ifdef __BIG_ENDIAN + /* + * Low order bits of these 64-bit registers, when + * accessed as a byte, are 7 bytes further down in the + * address space in big endian mode. + */ + p->membase += 7; +#endif + p->serial_out = dw8250_serial_out_rb; + p->flags = ASYNC_SKIP_TEST | UPF_SHARE_IRQ | UPF_FIXED_TYPE; + p->type = PORT_OCTEON; + data->usr_reg = 0x27; + has_ucv = false; + } else if (!of_property_read_u32(np, "reg-io-width", &val)) { switch (val) { case 1: break; @@ -144,6 +202,8 @@ static int dw8250_probe_of(struct uart_port *p) return -EINVAL; } } + if (has_ucv) + dw8250_setup_port(container_of(p, struct uart_8250_port, port)); if (!of_property_read_u32(np, "reg-shift", &val)) p->regshift = val; @@ -168,6 +228,8 @@ static int dw8250_probe_acpi(struct uart_8250_port *up) const struct acpi_device_id *id; struct uart_port *p = &up->port; + dw8250_setup_port(up); + id = acpi_match_device(p->dev->driver->acpi_match_table, p->dev); if (!id) return -ENODEV; @@ -196,38 +258,6 @@ static inline int dw8250_probe_acpi(struct uart_8250_port *up) } #endif /* CONFIG_ACPI */ -static void dw8250_setup_port(struct uart_8250_port *up) -{ - struct uart_port *p = &up->port; - u32 reg = readl(p->membase + DW_UART_UCV); - - /* - * If the Component Version Register returns zero, we know that - * ADDITIONAL_FEATURES are not enabled. No need to go any further. - */ - if (!reg) - return; - - dev_dbg_ratelimited(p->dev, "Designware UART version %c.%c%c\n", - (reg >> 24) & 0xff, (reg >> 16) & 0xff, (reg >> 8) & 0xff); - - reg = readl(p->membase + DW_UART_CPR); - if (!reg) - return; - - /* Select the type based on fifo */ - if (reg & DW_UART_CPR_FIFO_MODE) { - p->type = PORT_16550A; - p->flags |= UPF_FIXED_TYPE; - p->fifosize = DW_UART_CPR_FIFO_SIZE(reg); - up->tx_loadsz = p->fifosize; - up->capabilities = UART_CAP_FIFO; - } - - if (reg & DW_UART_CPR_AFCE_MODE) - up->capabilities |= UART_CAP_AFE; -} - static int dw8250_probe(struct platform_device *pdev) { struct uart_8250_port uart = {}; @@ -259,6 +289,7 @@ static int dw8250_probe(struct platform_device *pdev) if (!data) return -ENOMEM; + data->usr_reg = DW_UART_USR; data->clk = devm_clk_get(&pdev->dev, NULL); if (!IS_ERR(data->clk)) { clk_prepare_enable(data->clk); @@ -270,10 +301,8 @@ static int dw8250_probe(struct platform_device *pdev) uart.port.serial_out = dw8250_serial_out; uart.port.private_data = data; - dw8250_setup_port(&uart); - if (pdev->dev.of_node) { - err = dw8250_probe_of(&uart.port); + err = dw8250_probe_of(&uart.port, data); if (err) return err; } else if (ACPI_HANDLE(&pdev->dev)) { @@ -362,6 +391,7 @@ static const struct dev_pm_ops dw8250_pm_ops = { static const struct of_device_id dw8250_of_match[] = { { .compatible = "snps,dw-apb-uart" }, + { .compatible = "cavium,octeon-3860-uart" }, { /* Sentinel */ } }; MODULE_DEVICE_TABLE(of, dw8250_of_match); -- cgit v1.2.3-59-g8ed1b From 271792eff2a272b527ce5aa74d499e346fb851de Mon Sep 17 00:00:00 2001 From: Markos Chandras Date: Mon, 17 Jun 2013 13:00:40 +0000 Subject: SSB: Kconfig: Amend SSB_EMBEDDED dependencies SSB_EMBEDDED needs functions from driver_pcicore which are only available if SSD_DRIVER_HOSTMODE is selected so make it depend on that symbol. Fixes the following linking problem: drivers/ssb/embedded.c:202: undefined reference to `ssb_pcicore_plat_dev_init' drivers/built-in.o: In function `ssb_pcibios_map_irq': drivers/ssb/embedded.c:247: undefined reference to `ssb_pcicore_pcibios_map_irq' Signed-off-by: Markos Chandras Acked-by: Steven J. Hill Cc: sibyte-users@bitmover.com Cc: netdev@vger.kernel.org Cc: Michael Buesch Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5484/ Acked-by: Florian Fainelli Signed-off-by: Ralf Baechle --- drivers/ssb/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig index 5ff3a4f19443..36171fd2826b 100644 --- a/drivers/ssb/Kconfig +++ b/drivers/ssb/Kconfig @@ -144,7 +144,7 @@ config SSB_SFLASH # Assumption: We are on embedded, if we compile the MIPS core. config SSB_EMBEDDED bool - depends on SSB_DRIVER_MIPS + depends on SSB_DRIVER_MIPS && SSB_PCICORE_HOSTMODE default y config SSB_DRIVER_EXTIF -- cgit v1.2.3-59-g8ed1b