]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/commitdiff
Merge commit 'kumar/kumar-next' into next
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 5 Jan 2009 03:16:48 +0000 (14:16 +1100)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 5 Jan 2009 03:16:48 +0000 (14:16 +1100)
26 files changed:
Documentation/powerpc/dts-bindings/fsl/board.txt
arch/powerpc/boot/dts/mpc836x_mds.dts
arch/powerpc/boot/dts/mpc836x_rdk.dts
arch/powerpc/boot/dts/mpc8641_hpcn.dts
arch/powerpc/configs/85xx/mpc8572_ds_defconfig
arch/powerpc/include/asm/qe.h
arch/powerpc/include/asm/qe_ic.h
arch/powerpc/platforms/83xx/mpc831x_rdb.c
arch/powerpc/platforms/83xx/mpc832x_mds.c
arch/powerpc/platforms/83xx/mpc832x_rdb.c
arch/powerpc/platforms/83xx/mpc836x_mds.c
arch/powerpc/platforms/83xx/mpc836x_rdk.c
arch/powerpc/platforms/83xx/mpc837x_mds.c
arch/powerpc/platforms/83xx/mpc837x_rdb.c
arch/powerpc/platforms/83xx/mpc83xx.h
arch/powerpc/platforms/85xx/mpc85xx_ds.c
arch/powerpc/platforms/85xx/smp.c
arch/powerpc/platforms/Kconfig
arch/powerpc/platforms/Kconfig.cputype
arch/powerpc/sysdev/Makefile
arch/powerpc/sysdev/fsl_pci.c
arch/powerpc/sysdev/fsl_soc.h
arch/powerpc/sysdev/qe_lib/Kconfig
arch/powerpc/sysdev/qe_lib/gpio.c
arch/powerpc/sysdev/simple_gpio.c [new file with mode: 0644]
arch/powerpc/sysdev/simple_gpio.h [new file with mode: 0644]

index 81a917ef96e9afbeb609fd6984f8f0eaa1b316d2..6c974d28eeb404f03c63d3d0b79bfd5a5b00675b 100644 (file)
@@ -18,7 +18,7 @@ This is the memory-mapped registers for on board FPGA.
 
 Required properities:
 - compatible : should be "fsl,fpga-pixis".
-- reg : should contain the address and the lenght of the FPPGA register
+- reg : should contain the address and the length of the FPPGA register
   set.
 
 Example (MPC8610HPCD):
@@ -27,3 +27,33 @@ Example (MPC8610HPCD):
                compatible = "fsl,fpga-pixis";
                reg = <0xe8000000 32>;
        };
+
+* Freescale BCSR GPIO banks
+
+Some BCSR registers act as simple GPIO controllers, each such
+register can be represented by the gpio-controller node.
+
+Required properities:
+- compatible : Should be "fsl,<board>-bcsr-gpio".
+- reg : Should contain the address and the length of the GPIO bank
+  register.
+- #gpio-cells : Should be two. The first cell is the pin number and the
+  second cell is used to specify optional paramters (currently unused).
+- gpio-controller : Marks the port as GPIO controller.
+
+Example:
+
+       bcsr@1,0 {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               compatible = "fsl,mpc8360mds-bcsr";
+               reg = <1 0 0x8000>;
+               ranges = <0 1 0 0x8000>;
+
+               bcsr13: gpio-controller@d {
+                       #gpio-cells = <2>;
+                       compatible = "fsl,mpc8360mds-bcsr-gpio";
+                       reg = <0xd 1>;
+                       gpio-controller;
+               };
+       };
index 14534d04e4db1cf1e9709184754e9278011c0531..6e34f170fa62ba3b38a60eab064138b7b75e34f6 100644 (file)
                };
 
                bcsr@1,0 {
+                       #address-cells = <1>;
+                       #size-cells = <1>;
                        compatible = "fsl,mpc8360mds-bcsr";
                        reg = <1 0 0x8000>;
+                       ranges = <0 1 0 0x8000>;
+
+                       bcsr13: gpio-controller@d {
+                               #gpio-cells = <2>;
+                               compatible = "fsl,mpc8360mds-bcsr-gpio";
+                               reg = <0xd 1>;
+                               gpio-controller;
+                       };
                };
        };
 
                };
 
                par_io@1400 {
+                       #address-cells = <1>;
+                       #size-cells = <1>;
                        reg = <0x1400 0x100>;
+                       ranges = <0 0x1400 0x100>;
                        device_type = "par_io";
                        num-ports = <7>;
 
+                       qe_pio_b: gpio-controller@18 {
+                               #gpio-cells = <2>;
+                               compatible = "fsl,mpc8360-qe-pario-bank",
+                                            "fsl,mpc8323-qe-pario-bank";
+                               reg = <0x18 0x18>;
+                               gpio-controller;
+                       };
+
                        pio1: ucc_pin@01 {
                                pio-map = <
                        /* port  pin  dir  open_drain  assignment  has_irq */
                        };
                };
 
+               timer@440 {
+                       compatible = "fsl,mpc8360-qe-gtm",
+                                    "fsl,qe-gtm", "fsl,gtm";
+                       reg = <0x440 0x40>;
+                       clock-frequency = <132000000>;
+                       interrupts = <12 13 14 15>;
+                       interrupt-parent = <&qeic>;
+               };
+
                spi@4c0 {
                        cell-index = <0>;
                        compatible = "fsl,spi";
                };
 
                usb@6c0 {
-                       compatible = "qe_udc";
+                       compatible = "fsl,mpc8360-qe-usb",
+                                    "fsl,mpc8323-qe-usb";
                        reg = <0x6c0 0x40 0x8b00 0x100>;
                        interrupts = <11>;
                        interrupt-parent = <&qeic>;
-                       mode = "slave";
+                       fsl,fullspeed-clock = "clk21";
+                       fsl,lowspeed-clock = "brg9";
+                       gpios = <&qe_pio_b  2 0   /* USBOE */
+                                &qe_pio_b  3 0   /* USBTP */
+                                &qe_pio_b  8 0   /* USBTN */
+                                &qe_pio_b  9 0   /* USBRP */
+                                &qe_pio_b 11 0   /* USBRN */
+                                &bcsr13    5 0   /* SPEED */
+                                &bcsr13    4 1>; /* POWER */
                };
 
                enet0: ucc@2000 {
index decadf3d9e989e935faa898c3d56d5d0676531e1..37b789510d68bc160b191a53717a916e293ea361 100644 (file)
                                reg = <0x440 0x40>;
                                interrupts = <12 13 14 15>;
                                interrupt-parent = <&qeic>;
-                               /* filled by u-boot */
-                               clock-frequency = <0>;
+                               clock-frequency = <166666666>;
+                       };
+
+                       usb@6c0 {
+                               compatible = "fsl,mpc8360-qe-usb",
+                                            "fsl,mpc8323-qe-usb";
+                               reg = <0x6c0 0x40 0x8b00 0x100>;
+                               interrupts = <11>;
+                               interrupt-parent = <&qeic>;
+                               fsl,fullspeed-clock = "clk21";
+                               gpios = <&qe_pio_b  2 0 /* USBOE */
+                                        &qe_pio_b  3 0 /* USBTP */
+                                        &qe_pio_b  8 0 /* USBTN */
+                                        &qe_pio_b  9 0 /* USBRP */
+                                        &qe_pio_b 11 0 /* USBRN */
+                                        &qe_pio_e 20 0 /* SPEED */
+                                        &qe_pio_e 21 1 /* POWER */>;
                        };
 
                        spi@4c0 {
index 35d5e248ccd7939768ce2bd14e8a54cc5101353f..4481532cbe7751c95dcb6b49a816a8640ffb09d5 100644 (file)
                serial1 = &serial1;
                pci0 = &pci0;
                pci1 = &pci1;
-               rapidio0 = &rapidio0;
+/*
+ * Only one of Rapid IO or PCI can be present due to HW limitations and
+ * due to the fact that the 2 now share address space in the new memory
+ * map.  The most likely case is that we have PCI, so comment out the
+ * rapidio node.  Leave it here for reference.
+ */
+               /* rapidio0 = &rapidio0; */
        };
 
        cpus {
                reg = <0x00000000 0x40000000>;  // 1G at 0x0
        };
 
-       localbus@f8005000 {
+       localbus@ffe05000 {
                #address-cells = <2>;
                #size-cells = <1>;
                compatible = "fsl,mpc8641-localbus", "simple-bus";
-               reg = <0xf8005000 0x1000>;
+               reg = <0xffe05000 0x1000>;
                interrupts = <19 2>;
                interrupt-parent = <&mpic>;
 
-               ranges = <0 0 0xff800000 0x00800000
-                         1 0 0xfe000000 0x01000000
-                         2 0 0xf8200000 0x00100000
-                         3 0 0xf8100000 0x00100000>;
+               ranges = <0 0 0xef800000 0x00800000
+                         2 0 0xffdf8000 0x00008000
+                         3 0 0xffdf0000 0x00008000>;
 
                flash@0,0 {
                        compatible = "cfi-flash";
                };
        };
 
-       soc8641@f8000000 {
+       soc8641@ffe00000 {
                #address-cells = <1>;
                #size-cells = <1>;
                device_type = "soc";
                compatible = "simple-bus";
-               ranges = <0x00000000 0xf8000000 0x00100000>;
-               reg = <0xf8000000 0x00001000>;  // CCSRBAR
+               ranges = <0x00000000 0xffe00000 0x00100000>;
+               reg = <0xffe00000 0x00001000>;  // CCSRBAR
                bus-frequency = <0>;
 
                i2c@3000 {
                };
        };
 
-       pci0: pcie@f8008000 {
+       pci0: pcie@ffe08000 {
                cell-index = <0>;
                compatible = "fsl,mpc8641-pcie";
                device_type = "pci";
                #interrupt-cells = <1>;
                #size-cells = <2>;
                #address-cells = <3>;
-               reg = <0xf8008000 0x1000>;
+               reg = <0xffe08000 0x1000>;
                bus-range = <0x0 0xff>;
                ranges = <0x02000000 0x0 0x80000000 0x80000000 0x0 0x20000000
-                         0x01000000 0x0 0x00000000 0xe2000000 0x0 0x00100000>;
+                         0x01000000 0x0 0x00000000 0xffc00000 0x0 0x00010000>;
                clock-frequency = <33333333>;
                interrupt-parent = <&mpic>;
                interrupts = <24 2>;
 
                                  0x01000000 0x0 0x00000000
                                  0x01000000 0x0 0x00000000
-                                 0x0 0x00100000>;
+                                 0x0 0x00010000>;
                        uli1575@0 {
                                reg = <0 0 0 0 0>;
                                #size-cells = <2>;
                                          0x0 0x20000000
                                          0x01000000 0x0 0x00000000
                                          0x01000000 0x0 0x00000000
-                                         0x0 0x00100000>;
+                                         0x0 0x00010000>;
                                isa@1e {
                                        device_type = "isa";
                                        #interrupt-cells = <2>;
 
        };
 
-       pci1: pcie@f8009000 {
+       pci1: pcie@ffe09000 {
                cell-index = <1>;
                compatible = "fsl,mpc8641-pcie";
                device_type = "pci";
                #interrupt-cells = <1>;
                #size-cells = <2>;
                #address-cells = <3>;
-               reg = <0xf8009000 0x1000>;
+               reg = <0xffe09000 0x1000>;
                bus-range = <0 0xff>;
                ranges = <0x02000000 0x0 0xa0000000 0xa0000000 0x0 0x20000000
-                         0x01000000 0x0 0x00000000 0xe3000000 0x0 0x00100000>;
+                         0x01000000 0x0 0x00000000 0xffc10000 0x0 0x00010000>;
                clock-frequency = <33333333>;
                interrupt-parent = <&mpic>;
                interrupts = <25 2>;
 
                                  0x01000000 0x0 0x00000000
                                  0x01000000 0x0 0x00000000
-                                 0x0 0x00100000>;
+                                 0x0 0x00010000>;
                };
        };
-       rapidio0: rapidio@f80c0000 {
+/*
+       rapidio0: rapidio@ffec0000 {
                #address-cells = <2>;
                #size-cells = <2>;
                compatible = "fsl,rapidio-delta";
-               reg = <0xf80c0000 0x20000>;
-               ranges = <0 0 0xc0000000 0 0x20000000>;
+               reg = <0xffec0000 0x20000>;
+               ranges = <0 0 0x80000000 0 0x20000000>;
                interrupt-parent = <&mpic>;
-               /* err_irq bell_outb_irq bell_inb_irq
-                       msg1_tx_irq msg1_rx_irq msg2_tx_irq msg2_rx_irq */
+               // err_irq bell_outb_irq bell_inb_irq
+               //      msg1_tx_irq msg1_rx_irq msg2_tx_irq msg2_rx_irq
                interrupts = <48 2 49 2 50 2 53 2 54 2 55 2 56 2>;
        };
+*/
+
 };
index 635588319e0d47f65e1e9654163dbdd8f97dd3c8..32aeb79216f720beba44a5d196ce3db2a895c3c6 100644 (file)
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.28-rc3
-# Sat Nov  8 12:40:13 2008
+# Linux kernel version: 2.6.28-rc8
+# Tue Dec 30 11:17:46 2008
 #
 # CONFIG_PPC64 is not set
 
@@ -21,7 +21,10 @@ CONFIG_FSL_BOOKE=y
 CONFIG_FSL_EMB_PERFMON=y
 # CONFIG_PHYS_64BIT is not set
 CONFIG_SPE=y
+CONFIG_PPC_MMU_NOHASH=y
 # CONFIG_PPC_MM_SLICES is not set
+CONFIG_SMP=y
+CONFIG_NR_CPUS=2
 CONFIG_PPC32=y
 CONFIG_WORD_SIZE=32
 # CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set
@@ -50,7 +53,7 @@ CONFIG_ARCH_MAY_HAVE_PC_FDC=y
 CONFIG_PPC_OF=y
 CONFIG_OF=y
 CONFIG_PPC_UDBG_16550=y
-# CONFIG_GENERIC_TBSYNC is not set
+CONFIG_GENERIC_TBSYNC=y
 CONFIG_AUDIT_ARCH=y
 CONFIG_GENERIC_BUG=y
 CONFIG_DEFAULT_UIMAGE=y
@@ -62,7 +65,7 @@ CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 # General setup
 #
 CONFIG_EXPERIMENTAL=y
-CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
@@ -126,6 +129,7 @@ CONFIG_HAVE_IOREMAP_PROT=y
 CONFIG_HAVE_KPROBES=y
 CONFIG_HAVE_KRETPROBES=y
 CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_USE_GENERIC_SMP_HELPERS=y
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
@@ -138,6 +142,7 @@ CONFIG_MODULE_FORCE_UNLOAD=y
 CONFIG_MODVERSIONS=y
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_KMOD=y
+CONFIG_STOP_MACHINE=y
 CONFIG_BLOCK=y
 CONFIG_LBD=y
 # CONFIG_BLK_DEV_IO_TRACE is not set
@@ -197,6 +202,7 @@ CONFIG_PPC_I8259=y
 # CONFIG_CPM2 is not set
 CONFIG_FSL_ULI1575=y
 # CONFIG_MPC8xxx_GPIO is not set
+# CONFIG_SIMPLE_GPIO is not set
 
 #
 # Kernel options
@@ -224,6 +230,7 @@ CONFIG_MATH_EMULATION=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
 CONFIG_ARCH_HAS_WALK_MEMORY=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
+# CONFIG_IRQ_ALL_CPUS is not set
 CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_SELECT_MEMORY_MODEL=y
@@ -241,6 +248,9 @@ CONFIG_ZONE_DMA_FLAG=1
 CONFIG_BOUNCE=y
 CONFIG_VIRT_TO_BUS=y
 CONFIG_UNEVICTABLE_LRU=y
+CONFIG_PPC_4K_PAGES=y
+# CONFIG_PPC_16K_PAGES is not set
+# CONFIG_PPC_64K_PAGES is not set
 CONFIG_FORCE_MAX_ZONEORDER=11
 CONFIG_PROC_DEVICETREE=y
 # CONFIG_CMDLINE_BOOL is not set
@@ -443,8 +453,10 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_EEPROM_93CX6 is not set
 # CONFIG_SGI_IOC4 is not set
 # CONFIG_TIFM_CORE is not set
+# CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_HP_ILO is not set
+# CONFIG_C2PORT is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
@@ -784,6 +796,7 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_HVC_UDBG is not set
 # CONFIG_IPMI_HANDLER is not set
 CONFIG_HW_RANDOM=y
 CONFIG_NVRAM=y
@@ -869,11 +882,11 @@ CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
 # CONFIG_THERMAL is not set
 # CONFIG_THERMAL_HWMON is not set
 # CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
 
 #
 # Sonics Silicon Backplane
 #
-CONFIG_SSB_POSSIBLE=y
 # CONFIG_SSB is not set
 
 #
@@ -886,14 +899,7 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM8350_I2C is not set
-
-#
-# Voltage and Current regulators
-#
 # CONFIG_REGULATOR is not set
-# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
-# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
-# CONFIG_REGULATOR_BQ24022 is not set
 
 #
 # Multimedia devices
@@ -1252,11 +1258,11 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 # CONFIG_USB_TMC is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed;
 #
 
 #
-# may also be needed; see USB_STORAGE Help for more information
+# see USB_STORAGE Help for more information
 #
 CONFIG_USB_STORAGE=y
 # CONFIG_USB_STORAGE_DEBUG is not set
@@ -1348,6 +1354,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_M41T80 is not set
 # CONFIG_RTC_DRV_S35390A is not set
 # CONFIG_RTC_DRV_FM3130 is not set
+# CONFIG_RTC_DRV_RX8581 is not set
 
 #
 # SPI RTC drivers
@@ -1624,6 +1631,7 @@ CONFIG_HAVE_FUNCTION_TRACER=y
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
+CONFIG_PRINT_STACK_DEPTH=64
 # CONFIG_DEBUG_STACKOVERFLOW is not set
 # CONFIG_DEBUG_STACK_USAGE is not set
 # CONFIG_DEBUG_PAGEALLOC is not set
@@ -1649,11 +1657,16 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_ALGAPI2=y
 CONFIG_CRYPTO_AEAD=y
+CONFIG_CRYPTO_AEAD2=y
 CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_BLKCIPHER2=y
 CONFIG_CRYPTO_HASH=y
-CONFIG_CRYPTO_RNG=y
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG2=y
 CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_MANAGER2=y
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
 # CONFIG_CRYPTO_CRYPTD is not set
index edee15d269eaaf285d64e1e650609310edd4c11e..a0a15311d0d82bc8117c8a064cecce1ca5bc09df 100644 (file)
@@ -17,6 +17,8 @@
 #ifdef __KERNEL__
 
 #include <linux/spinlock.h>
+#include <linux/errno.h>
+#include <linux/err.h>
 #include <asm/cpm.h>
 #include <asm/immap_qe.h>
 
@@ -84,7 +86,11 @@ static inline bool qe_clock_is_brg(enum qe_clock clk)
 extern spinlock_t cmxgcr_lock;
 
 /* Export QE common operations */
+#ifdef CONFIG_QUICC_ENGINE
 extern void __init qe_reset(void);
+#else
+static inline void qe_reset(void) {}
+#endif
 
 /* QE PIO */
 #define QE_PIO_PINS 32
@@ -101,16 +107,43 @@ struct qe_pio_regs {
 #endif
 };
 
-extern int par_io_init(struct device_node *np);
-extern int par_io_of_config(struct device_node *np);
 #define QE_PIO_DIR_IN  2
 #define QE_PIO_DIR_OUT 1
 extern void __par_io_config_pin(struct qe_pio_regs __iomem *par_io, u8 pin,
                                int dir, int open_drain, int assignment,
                                int has_irq);
+#ifdef CONFIG_QUICC_ENGINE
+extern int par_io_init(struct device_node *np);
+extern int par_io_of_config(struct device_node *np);
 extern int par_io_config_pin(u8 port, u8 pin, int dir, int open_drain,
                             int assignment, int has_irq);
 extern int par_io_data_set(u8 port, u8 pin, u8 val);
+#else
+static inline int par_io_init(struct device_node *np) { return -ENOSYS; }
+static inline int par_io_of_config(struct device_node *np) { return -ENOSYS; }
+static inline int par_io_config_pin(u8 port, u8 pin, int dir, int open_drain,
+               int assignment, int has_irq) { return -ENOSYS; }
+static inline int par_io_data_set(u8 port, u8 pin, u8 val) { return -ENOSYS; }
+#endif /* CONFIG_QUICC_ENGINE */
+
+/*
+ * Pin multiplexing functions.
+ */
+struct qe_pin;
+#ifdef CONFIG_QE_GPIO
+extern struct qe_pin *qe_pin_request(struct device_node *np, int index);
+extern void qe_pin_free(struct qe_pin *qe_pin);
+extern void qe_pin_set_gpio(struct qe_pin *qe_pin);
+extern void qe_pin_set_dedicated(struct qe_pin *pin);
+#else
+static inline struct qe_pin *qe_pin_request(struct device_node *np, int index)
+{
+       return ERR_PTR(-ENOSYS);
+}
+static inline void qe_pin_free(struct qe_pin *qe_pin) {}
+static inline void qe_pin_set_gpio(struct qe_pin *qe_pin) {}
+static inline void qe_pin_set_dedicated(struct qe_pin *pin) {}
+#endif /* CONFIG_QE_GPIO */
 
 /* QE internal API */
 int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, u32 cmd_input);
index 56a7745ca343d438c1b4430186f1c1592fa0b5ad..cf519663a79183e7c776a580624fc78d5f343650 100644 (file)
@@ -17,6 +17,9 @@
 
 #include <linux/irq.h>
 
+struct device_node;
+struct qe_ic;
+
 #define NUM_OF_QE_IC_GROUPS    6
 
 /* Flags when we init the QE IC */
@@ -54,17 +57,27 @@ enum qe_ic_grp_id {
        QE_IC_GRP_RISCB         /* QE interrupt controller RISC group B */
 };
 
+#ifdef CONFIG_QUICC_ENGINE
 void qe_ic_init(struct device_node *node, unsigned int flags,
                void (*low_handler)(unsigned int irq, struct irq_desc *desc),
                void (*high_handler)(unsigned int irq, struct irq_desc *desc));
+unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic);
+unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic);
+#else
+static inline void qe_ic_init(struct device_node *node, unsigned int flags,
+               void (*low_handler)(unsigned int irq, struct irq_desc *desc),
+               void (*high_handler)(unsigned int irq, struct irq_desc *desc))
+{}
+static inline unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic)
+{ return 0; }
+static inline unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic)
+{ return 0; }
+#endif /* CONFIG_QUICC_ENGINE */
+
 void qe_ic_set_highest_priority(unsigned int virq, int high);
 int qe_ic_set_priority(unsigned int virq, unsigned int priority);
 int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high);
 
-struct qe_ic;
-unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic);
-unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic);
-
 static inline void qe_ic_cascade_low_ipic(unsigned int irq,
                                          struct irq_desc *desc)
 {
index a428f8d1ac80c0d1a8b16964f99286c6b36a5397..5177bdd2c62a8f7014d0f3bc216da1eff397a3de 100644 (file)
@@ -42,7 +42,7 @@ static void __init mpc831x_rdb_setup_arch(void)
        mpc831x_usb_cfg();
 }
 
-void __init mpc831x_rdb_init_IRQ(void)
+static void __init mpc831x_rdb_init_IRQ(void)
 {
        struct device_node *np;
 
index ec43477caa63f66b63d84f125106c6997fb6d8b7..ec0b401bc9cf1b9afbc1d2527ed7a36ed7c0f817 100644 (file)
@@ -49,8 +49,6 @@
 #define DBG(fmt...)
 #endif
 
-static u8 *bcsr_regs = NULL;
-
 /* ************************************************************************
  *
  * Setup the architecture
@@ -59,13 +57,14 @@ static u8 *bcsr_regs = NULL;
 static void __init mpc832x_sys_setup_arch(void)
 {
        struct device_node *np;
+       u8 __iomem *bcsr_regs = NULL;
 
        if (ppc_md.progress)
                ppc_md.progress("mpc832x_sys_setup_arch()", 0);
 
        /* Map BCSR area */
        np = of_find_node_by_name(NULL, "bcsr");
-       if (np != 0) {
+       if (np) {
                struct resource res;
 
                of_address_to_resource(np, 0, &res);
@@ -93,9 +92,9 @@ static void __init mpc832x_sys_setup_arch(void)
                        != NULL){
                /* Reset the Ethernet PHYs */
 #define BCSR8_FETH_RST 0x50
-               bcsr_regs[8] &= ~BCSR8_FETH_RST;
+               clrbits8(&bcsr_regs[8], BCSR8_FETH_RST);
                udelay(1000);
-               bcsr_regs[8] |= BCSR8_FETH_RST;
+               setbits8(&bcsr_regs[8], BCSR8_FETH_RST);
                iounmap(bcsr_regs);
                of_node_put(np);
        }
index 0300268ce5b844708c66ba54a3c3d494b02db164..2a1295f1983254c7a4083b65b83694ef83bf6129 100644 (file)
@@ -38,6 +38,7 @@
 #define DBG(fmt...)
 #endif
 
+#ifdef CONFIG_QUICC_ENGINE
 static void mpc83xx_spi_activate_cs(u8 cs, u8 polarity)
 {
        pr_debug("%s %d %d\n", __func__, cs, polarity);
@@ -77,8 +78,8 @@ static int __init mpc832x_spi_init(void)
                            mpc83xx_spi_activate_cs,
                            mpc83xx_spi_deactivate_cs);
 }
-
 machine_device_initcall(mpc832x_rdb, mpc832x_spi_init);
+#endif /* CONFIG_QUICC_ENGINE */
 
 /* ************************************************************************
  *
@@ -130,7 +131,7 @@ static int __init mpc832x_declare_of_platform_devices(void)
 }
 machine_device_initcall(mpc832x_rdb, mpc832x_declare_of_platform_devices);
 
-void __init mpc832x_rdb_init_IRQ(void)
+static void __init mpc832x_rdb_init_IRQ(void)
 {
 
        struct device_node *np;
index 9d46e5bdd101539454f3b9134a4728bcab4c2a34..09e9d6fb74115327a98167104f136ecb8961d196 100644 (file)
@@ -18,6 +18,7 @@
 
 #include <linux/stddef.h>
 #include <linux/kernel.h>
+#include <linux/compiler.h>
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/reboot.h>
@@ -43,6 +44,7 @@
 #include <asm/udbg.h>
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
+#include <sysdev/simple_gpio.h>
 #include <asm/qe.h>
 #include <asm/qe_ic.h>
 
@@ -55,8 +57,6 @@
 #define DBG(fmt...)
 #endif
 
-static u8 *bcsr_regs = NULL;
-
 /* ************************************************************************
  *
  * Setup the architecture
@@ -65,13 +65,14 @@ static u8 *bcsr_regs = NULL;
 static void __init mpc836x_mds_setup_arch(void)
 {
        struct device_node *np;
+       u8 __iomem *bcsr_regs = NULL;
 
        if (ppc_md.progress)
                ppc_md.progress("mpc836x_mds_setup_arch()", 0);
 
        /* Map BCSR area */
        np = of_find_node_by_name(NULL, "bcsr");
-       if (np != 0) {
+       if (np) {
                struct resource res;
 
                of_address_to_resource(np, 0, &res);
@@ -93,6 +94,16 @@ static void __init mpc836x_mds_setup_arch(void)
 
                for (np = NULL; (np = of_find_node_by_name(np, "ucc")) != NULL;)
                        par_io_of_config(np);
+#ifdef CONFIG_QE_USB
+               /* Must fixup Par IO before QE GPIO chips are registered. */
+               par_io_config_pin(1,  2, 1, 0, 3, 0); /* USBOE  */
+               par_io_config_pin(1,  3, 1, 0, 3, 0); /* USBTP  */
+               par_io_config_pin(1,  8, 1, 0, 1, 0); /* USBTN  */
+               par_io_config_pin(1, 10, 2, 0, 3, 0); /* USBRXD */
+               par_io_config_pin(1,  9, 2, 1, 3, 0); /* USBRP  */
+               par_io_config_pin(1, 11, 2, 1, 3, 0); /* USBRN  */
+               par_io_config_pin(2, 20, 2, 0, 1, 0); /* CLK21  */
+#endif /* CONFIG_QE_USB */
        }
 
        if ((np = of_find_compatible_node(NULL, "network", "ucc_geth"))
@@ -151,6 +162,70 @@ static int __init mpc836x_declare_of_platform_devices(void)
 }
 machine_device_initcall(mpc836x_mds, mpc836x_declare_of_platform_devices);
 
+#ifdef CONFIG_QE_USB
+static int __init mpc836x_usb_cfg(void)
+{
+       u8 __iomem *bcsr;
+       struct device_node *np;
+       const char *mode;
+       int ret = 0;
+
+       np = of_find_compatible_node(NULL, NULL, "fsl,mpc8360mds-bcsr");
+       if (!np)
+               return -ENODEV;
+
+       bcsr = of_iomap(np, 0);
+       of_node_put(np);
+       if (!bcsr)
+               return -ENOMEM;
+
+       np = of_find_compatible_node(NULL, NULL, "fsl,mpc8323-qe-usb");
+       if (!np) {
+               ret = -ENODEV;
+               goto err;
+       }
+
+#define BCSR8_TSEC1M_MASK      (0x3 << 6)
+#define BCSR8_TSEC1M_RGMII     (0x0 << 6)
+#define BCSR8_TSEC2M_MASK      (0x3 << 4)
+#define BCSR8_TSEC2M_RGMII     (0x0 << 4)
+       /*
+        * Default is GMII (2), but we should set it to RGMII (0) if we use
+        * USB (Eth PHY is in RGMII mode anyway).
+        */
+       clrsetbits_8(&bcsr[8], BCSR8_TSEC1M_MASK | BCSR8_TSEC2M_MASK,
+                              BCSR8_TSEC1M_RGMII | BCSR8_TSEC2M_RGMII);
+
+#define BCSR13_USBMASK 0x0f
+#define BCSR13_nUSBEN  0x08 /* 1 - Disable, 0 - Enable                 */
+#define BCSR13_USBSPEED        0x04 /* 1 - Full, 0 - Low                       */
+#define BCSR13_USBMODE 0x02 /* 1 - Host, 0 - Function                  */
+#define BCSR13_nUSBVCC 0x01 /* 1 - gets VBUS, 0 - supplies VBUS        */
+
+       clrsetbits_8(&bcsr[13], BCSR13_USBMASK, BCSR13_USBSPEED);
+
+       mode = of_get_property(np, "mode", NULL);
+       if (mode && !strcmp(mode, "peripheral")) {
+               setbits8(&bcsr[13], BCSR13_nUSBVCC);
+               qe_usb_clock_set(QE_CLK21, 48000000);
+       } else {
+               setbits8(&bcsr[13], BCSR13_USBMODE);
+               /*
+                * The BCSR GPIOs are used to control power and
+                * speed of the USB transceiver. This is needed for
+                * the USB Host only.
+                */
+               simple_gpiochip_init("fsl,mpc8360mds-bcsr-gpio");
+       }
+
+       of_node_put(np);
+err:
+       iounmap(bcsr);
+       return ret;
+}
+machine_arch_initcall(mpc836x_mds, mpc836x_usb_cfg);
+#endif /* CONFIG_QE_USB */
+
 static void __init mpc836x_mds_init_IRQ(void)
 {
        struct device_node *np;
index a5273bb28e1bcaa23d5fd19b3f2342d5b056adbb..b0090aac9642283ba4c62a00789edd92baab8ce7 100644 (file)
@@ -51,8 +51,9 @@ static void __init mpc836x_rdk_setup_arch(void)
        for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
                mpc83xx_add_bridge(np);
 #endif
-
+#ifdef CONFIG_QUICC_ENGINE
        qe_reset();
+#endif
 }
 
 static void __init mpc836x_rdk_init_IRQ(void)
@@ -71,13 +72,14 @@ static void __init mpc836x_rdk_init_IRQ(void)
         */
        ipic_set_default_priority();
        of_node_put(np);
-
+#ifdef CONFIG_QUICC_ENGINE
        np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
        if (!np)
                return;
 
        qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
        of_node_put(np);
+#endif
 }
 
 /*
index 8bb13c807142c9155940da690e26cdc6b8de48cc..530ef990ca7c778ff72cb2bc2342498d594da407 100644 (file)
@@ -26,7 +26,6 @@
 #define BCSR12_USB_SER_MASK    0x8a
 #define BCSR12_USB_SER_PIN     0x80
 #define BCSR12_USB_SER_DEVICE  0x02
-extern int mpc837x_usb_cfg(void);
 
 static int mpc837xmds_usb_cfg(void)
 {
index da030afa2e2cd92039c82fe34f890cfb46f132c4..1d096545322b04ceecdbec07088affb82d92aa9c 100644 (file)
@@ -21,8 +21,6 @@
 
 #include "mpc83xx.h"
 
-extern int mpc837x_usb_cfg(void);
-
 /* ************************************************************************
  *
  * Setup the architecture
index 2a7cbabb410a89ead86b06b481eedd8b3673a8ba..83cfe51526ec26a5219ccb458dc0e56c1e996538 100644 (file)
@@ -61,6 +61,7 @@
 
 extern void mpc83xx_restart(char *cmd);
 extern long mpc83xx_time_init(void);
+extern int mpc837x_usb_cfg(void);
 extern int mpc834x_usb_cfg(void);
 extern int mpc831x_usb_cfg(void);
 
index a8301c8ad5376bb6487f7f968de2f70a3565f91a..7326d904202c1e8ec8bac7e6a52382a3e141b51d 100644 (file)
@@ -148,6 +148,9 @@ static int mpc85xx_exclude_device(struct pci_controller *hose,
 /*
  * Setup the architecture
  */
+#ifdef CONFIG_SMP
+extern void __init mpc85xx_smp_init(void);
+#endif
 static void __init mpc85xx_ds_setup_arch(void)
 {
 #ifdef CONFIG_PCI
@@ -173,6 +176,10 @@ static void __init mpc85xx_ds_setup_arch(void)
        ppc_md.pci_exclude_device = mpc85xx_exclude_device;
 #endif
 
+#ifdef CONFIG_SMP
+       mpc85xx_smp_init();
+#endif
+
        printk("MPC85xx DS board from Freescale Semiconductor\n");
 }
 
index d652c713f496040f1011d87be69351866bd2140f..79a0df17078bbb2e141d29035994d5cfa40fd600 100644 (file)
@@ -58,6 +58,7 @@ smp_85xx_kick_cpu(int nr)
 
        if (cpu_rel_addr == NULL) {
                printk(KERN_ERR "No cpu-release-addr for cpu %d\n", nr);
+               local_irq_restore(flags);
                return;
        }
 
index 47e956c871fe8cfc3aea613e5a1552771eccb9b4..47fe2bea9865db32befbbdff10e8a14d2325de19 100644 (file)
@@ -312,4 +312,15 @@ config MPC8xxx_GPIO
          Say Y here if you're going to use hardware that connects to the
          MPC831x/834x/837x/8572/8610 GPIOs.
 
+config SIMPLE_GPIO
+       bool "Support for simple, memory-mapped GPIO controllers"
+       depends on PPC
+       select GENERIC_GPIO
+       select ARCH_REQUIRE_GPIOLIB
+       help
+         Say Y here to support simple, memory-mapped GPIO controllers.
+         These are usually BCSRs used to control board's switches, LEDs,
+         chip-selects, Ethernet/USB PHY's power and various other small
+         on-board peripherals.
+
 endmenu
index 3d0c776f888d83f96d666b789f7595f2ad6a2dbc..e868b5c50723d348cbf2357e8adb3c9ec28998b5 100644 (file)
@@ -231,7 +231,7 @@ config VIRT_CPU_ACCOUNTING
          If in doubt, say Y here.
 
 config SMP
-       depends on PPC_STD_MMU
+       depends on PPC_STD_MMU || FSL_BOOKE
        bool "Symmetric multi-processing support"
        ---help---
          This enables support for systems with more than one CPU. If you have
index 5afce115ab1f8533d25d7d3c3a8e4ff304ec51e0..b33b28a6fe1235d97c837cb9615cb7e4bf0464bf 100644 (file)
@@ -17,6 +17,7 @@ obj-$(CONFIG_FSL_PCI)         += fsl_pci.o $(fsl-msi-obj-y)
 obj-$(CONFIG_FSL_LBC)          += fsl_lbc.o
 obj-$(CONFIG_FSL_GTM)          += fsl_gtm.o
 obj-$(CONFIG_MPC8xxx_GPIO)     += mpc8xxx_gpio.o
+obj-$(CONFIG_SIMPLE_GPIO)      += simple_gpio.o
 obj-$(CONFIG_RAPIDIO)          += fsl_rio.o
 obj-$(CONFIG_TSI108_BRIDGE)    += tsi108_pci.o tsi108_dev.o
 obj-$(CONFIG_QUICC_ENGINE)     += qe_lib/
index d5f9ae0f1b75e7c4612a2beee8ff28174ac3be9b..f611d0369cc8ceb275cc45a94ca04451dbe84950 100644 (file)
@@ -29,7 +29,8 @@
 
 #if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx)
 /* atmu setup for fsl pci/pcie controller */
-void __init setup_pci_atmu(struct pci_controller *hose, struct resource *rsrc)
+static void __init setup_pci_atmu(struct pci_controller *hose,
+                                 struct resource *rsrc)
 {
        struct ccsr_pci __iomem *pci;
        int i;
@@ -86,7 +87,7 @@ void __init setup_pci_atmu(struct pci_controller *hose, struct resource *rsrc)
        out_be32(&pci->piw[2].piwar, PIWAR_2G);
 }
 
-void __init setup_pci_cmd(struct pci_controller *hose)
+static void __init setup_pci_cmd(struct pci_controller *hose)
 {
        u16 cmd;
        int cap_x;
@@ -130,7 +131,7 @@ static void __init quirk_fsl_pcie_header(struct pci_dev *dev)
        return ;
 }
 
-int __init fsl_pcie_check_link(struct pci_controller *hose)
+static int __init fsl_pcie_check_link(struct pci_controller *hose)
 {
        u32 val;
        early_read_config_dword(hose, 0, 0, PCIE_LTSSM, &val);
index 60f7f227327ce04dbb0fc81c82e424bfbfcdb2a8..9c744e4285a023c21fe7d7e12876e4443fc43a51 100644 (file)
@@ -5,8 +5,13 @@
 #include <asm/mmu.h>
 
 extern phys_addr_t get_immrbase(void);
+#if defined(CONFIG_CPM2) || defined(CONFIG_QUICC_ENGINE) || defined(CONFIG_8xx)
 extern u32 get_brgfreq(void);
 extern u32 get_baudrate(void);
+#else
+static inline u32 get_brgfreq(void) { return -1; }
+static inline u32 get_baudrate(void) { return -1; }
+#endif
 extern u32 fsl_get_sys_freq(void);
 
 struct spi_board_info;
index 76ffbc48d4b949f410e611b15d6550a647bdb30b..41ac3dfac98e1e85dabb16a01693984b7ba70414 100644 (file)
@@ -22,5 +22,6 @@ config UCC
 
 config QE_USB
        bool
+       default y if USB_GADGET_FSL_QE
        help
-         QE USB Host Controller support
+         QE USB Controller support
index 8e5a0bc36d0be40c1da806b91cb3a721348e84d6..3485288dce31bc6e0b4ad79aa96444ce57bf9afb 100644 (file)
@@ -14,6 +14,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
+#include <linux/err.h>
 #include <linux/io.h>
 #include <linux/of.h>
 #include <linux/of_gpio.h>
@@ -24,8 +25,14 @@ struct qe_gpio_chip {
        struct of_mm_gpio_chip mm_gc;
        spinlock_t lock;
 
+       unsigned long pin_flags[QE_PIO_PINS];
+#define QE_PIN_REQUESTED 0
+
        /* shadowed data register to clear/set bits safely */
        u32 cpdata;
+
+       /* saved_regs used to restore dedicated functions */
+       struct qe_pio_regs saved_regs;
 };
 
 static inline struct qe_gpio_chip *
@@ -40,6 +47,12 @@ static void qe_gpio_save_regs(struct of_mm_gpio_chip *mm_gc)
        struct qe_pio_regs __iomem *regs = mm_gc->regs;
 
        qe_gc->cpdata = in_be32(&regs->cpdata);
+       qe_gc->saved_regs.cpdata = qe_gc->cpdata;
+       qe_gc->saved_regs.cpdir1 = in_be32(&regs->cpdir1);
+       qe_gc->saved_regs.cpdir2 = in_be32(&regs->cpdir2);
+       qe_gc->saved_regs.cppar1 = in_be32(&regs->cppar1);
+       qe_gc->saved_regs.cppar2 = in_be32(&regs->cppar2);
+       qe_gc->saved_regs.cpodr = in_be32(&regs->cpodr);
 }
 
 static int qe_gpio_get(struct gpio_chip *gc, unsigned int gpio)
@@ -103,6 +116,188 @@ static int qe_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
        return 0;
 }
 
+struct qe_pin {
+       /*
+        * The qe_gpio_chip name is unfortunate, we should change that to
+        * something like qe_pio_controller. Someday.
+        */
+       struct qe_gpio_chip *controller;
+       int num;
+};
+
+/**
+ * qe_pin_request - Request a QE pin
+ * @np:                device node to get a pin from
+ * @index:     index of a pin in the device tree
+ * Context:    non-atomic
+ *
+ * This function return qe_pin so that you could use it with the rest of
+ * the QE Pin Multiplexing API.
+ */
+struct qe_pin *qe_pin_request(struct device_node *np, int index)
+{
+       struct qe_pin *qe_pin;
+       struct device_node *gc;
+       struct of_gpio_chip *of_gc = NULL;
+       struct of_mm_gpio_chip *mm_gc;
+       struct qe_gpio_chip *qe_gc;
+       int err;
+       int size;
+       const void *gpio_spec;
+       const u32 *gpio_cells;
+       unsigned long flags;
+
+       qe_pin = kzalloc(sizeof(*qe_pin), GFP_KERNEL);
+       if (!qe_pin) {
+               pr_debug("%s: can't allocate memory\n", __func__);
+               return ERR_PTR(-ENOMEM);
+       }
+
+       err = of_parse_phandles_with_args(np, "gpios", "#gpio-cells", index,
+                                         &gc, &gpio_spec);
+       if (err) {
+               pr_debug("%s: can't parse gpios property\n", __func__);
+               goto err0;
+       }
+
+       if (!of_device_is_compatible(gc, "fsl,mpc8323-qe-pario-bank")) {
+               pr_debug("%s: tried to get a non-qe pin\n", __func__);
+               err = -EINVAL;
+               goto err1;
+       }
+
+       of_gc = gc->data;
+       if (!of_gc) {
+               pr_debug("%s: gpio controller %s isn't registered\n",
+                        np->full_name, gc->full_name);
+               err = -ENODEV;
+               goto err1;
+       }
+
+       gpio_cells = of_get_property(gc, "#gpio-cells", &size);
+       if (!gpio_cells || size != sizeof(*gpio_cells) ||
+                       *gpio_cells != of_gc->gpio_cells) {
+               pr_debug("%s: wrong #gpio-cells for %s\n",
+                        np->full_name, gc->full_name);
+               err = -EINVAL;
+               goto err1;
+       }
+
+       err = of_gc->xlate(of_gc, np, gpio_spec, NULL);
+       if (err < 0)
+               goto err1;
+
+       mm_gc = to_of_mm_gpio_chip(&of_gc->gc);
+       qe_gc = to_qe_gpio_chip(mm_gc);
+
+       spin_lock_irqsave(&qe_gc->lock, flags);
+
+       if (test_and_set_bit(QE_PIN_REQUESTED, &qe_gc->pin_flags[err]) == 0) {
+               qe_pin->controller = qe_gc;
+               qe_pin->num = err;
+               err = 0;
+       } else {
+               err = -EBUSY;
+       }
+
+       spin_unlock_irqrestore(&qe_gc->lock, flags);
+
+       if (!err)
+               return qe_pin;
+err1:
+       of_node_put(gc);
+err0:
+       kfree(qe_pin);
+       pr_debug("%s failed with status %d\n", __func__, err);
+       return ERR_PTR(err);
+}
+EXPORT_SYMBOL(qe_pin_request);
+
+/**
+ * qe_pin_free - Free a pin
+ * @qe_pin:    pointer to the qe_pin structure
+ * Context:    any
+ *
+ * This function frees the qe_pin structure and makes a pin available
+ * for further qe_pin_request() calls.
+ */
+void qe_pin_free(struct qe_pin *qe_pin)
+{
+       struct qe_gpio_chip *qe_gc = qe_pin->controller;
+       unsigned long flags;
+       const int pin = qe_pin->num;
+
+       spin_lock_irqsave(&qe_gc->lock, flags);
+       test_and_clear_bit(QE_PIN_REQUESTED, &qe_gc->pin_flags[pin]);
+       spin_unlock_irqrestore(&qe_gc->lock, flags);
+
+       kfree(qe_pin);
+}
+EXPORT_SYMBOL(qe_pin_free);
+
+/**
+ * qe_pin_set_dedicated - Revert a pin to a dedicated peripheral function mode
+ * @qe_pin:    pointer to the qe_pin structure
+ * Context:    any
+ *
+ * This function resets a pin to a dedicated peripheral function that
+ * has been set up by the firmware.
+ */
+void qe_pin_set_dedicated(struct qe_pin *qe_pin)
+{
+       struct qe_gpio_chip *qe_gc = qe_pin->controller;
+       struct qe_pio_regs __iomem *regs = qe_gc->mm_gc.regs;
+       struct qe_pio_regs *sregs = &qe_gc->saved_regs;
+       int pin = qe_pin->num;
+       u32 mask1 = 1 << (QE_PIO_PINS - (pin + 1));
+       u32 mask2 = 0x3 << (QE_PIO_PINS - (pin % (QE_PIO_PINS / 2) + 1) * 2);
+       bool second_reg = pin > (QE_PIO_PINS / 2) - 1;
+       unsigned long flags;
+
+       spin_lock_irqsave(&qe_gc->lock, flags);
+
+       if (second_reg) {
+               clrsetbits_be32(&regs->cpdir2, mask2, sregs->cpdir2 & mask2);
+               clrsetbits_be32(&regs->cppar2, mask2, sregs->cppar2 & mask2);
+       } else {
+               clrsetbits_be32(&regs->cpdir1, mask2, sregs->cpdir1 & mask2);
+               clrsetbits_be32(&regs->cppar1, mask2, sregs->cppar1 & mask2);
+       }
+
+       if (sregs->cpdata & mask1)
+               qe_gc->cpdata |= mask1;
+       else
+               qe_gc->cpdata &= ~mask1;
+
+       out_be32(&regs->cpdata, qe_gc->cpdata);
+       clrsetbits_be32(&regs->cpodr, mask1, sregs->cpodr & mask1);
+
+       spin_unlock_irqrestore(&qe_gc->lock, flags);
+}
+EXPORT_SYMBOL(qe_pin_set_dedicated);
+
+/**
+ * qe_pin_set_gpio - Set a pin to the GPIO mode
+ * @qe_pin:    pointer to the qe_pin structure
+ * Context:    any
+ *
+ * This function sets a pin to the GPIO mode.
+ */
+void qe_pin_set_gpio(struct qe_pin *qe_pin)
+{
+       struct qe_gpio_chip *qe_gc = qe_pin->controller;
+       struct qe_pio_regs __iomem *regs = qe_gc->mm_gc.regs;
+       unsigned long flags;
+
+       spin_lock_irqsave(&qe_gc->lock, flags);
+
+       /* Let's make it input by default, GPIO API is able to change that. */
+       __par_io_config_pin(regs, qe_pin->num, QE_PIO_DIR_IN, 0, 0, 0);
+
+       spin_unlock_irqrestore(&qe_gc->lock, flags);
+}
+EXPORT_SYMBOL(qe_pin_set_gpio);
+
 static int __init qe_add_gpiochips(void)
 {
        struct device_node *np;
diff --git a/arch/powerpc/sysdev/simple_gpio.c b/arch/powerpc/sysdev/simple_gpio.c
new file mode 100644 (file)
index 0000000..43c4569
--- /dev/null
@@ -0,0 +1,155 @@
+/*
+ * Simple Memory-Mapped GPIOs
+ *
+ * Copyright (c) MontaVista Software, Inc. 2008.
+ *
+ * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
+ *
+ * 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 the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+#include <linux/ioport.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <linux/gpio.h>
+#include <asm/prom.h>
+#include "simple_gpio.h"
+
+struct u8_gpio_chip {
+       struct of_mm_gpio_chip mm_gc;
+       spinlock_t lock;
+
+       /* shadowed data register to clear/set bits safely */
+       u8 data;
+};
+
+static struct u8_gpio_chip *to_u8_gpio_chip(struct of_mm_gpio_chip *mm_gc)
+{
+       return container_of(mm_gc, struct u8_gpio_chip, mm_gc);
+}
+
+static u8 u8_pin2mask(unsigned int pin)
+{
+       return 1 << (8 - 1 - pin);
+}
+
+static int u8_gpio_get(struct gpio_chip *gc, unsigned int gpio)
+{
+       struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
+
+       return in_8(mm_gc->regs) & u8_pin2mask(gpio);
+}
+
+static void u8_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
+{
+       struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
+       struct u8_gpio_chip *u8_gc = to_u8_gpio_chip(mm_gc);
+       unsigned long flags;
+
+       spin_lock_irqsave(&u8_gc->lock, flags);
+
+       if (val)
+               u8_gc->data |= u8_pin2mask(gpio);
+       else
+               u8_gc->data &= ~u8_pin2mask(gpio);
+
+       out_8(mm_gc->regs, u8_gc->data);
+
+       spin_unlock_irqrestore(&u8_gc->lock, flags);
+}
+
+static int u8_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
+{
+       return 0;
+}
+
+static int u8_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
+{
+       u8_gpio_set(gc, gpio, val);
+       return 0;
+}
+
+static void u8_gpio_save_regs(struct of_mm_gpio_chip *mm_gc)
+{
+       struct u8_gpio_chip *u8_gc = to_u8_gpio_chip(mm_gc);
+
+       u8_gc->data = in_8(mm_gc->regs);
+}
+
+static int __init u8_simple_gpiochip_add(struct device_node *np)
+{
+       int ret;
+       struct u8_gpio_chip *u8_gc;
+       struct of_mm_gpio_chip *mm_gc;
+       struct of_gpio_chip *of_gc;
+       struct gpio_chip *gc;
+
+       u8_gc = kzalloc(sizeof(*u8_gc), GFP_KERNEL);
+       if (!u8_gc)
+               return -ENOMEM;
+
+       spin_lock_init(&u8_gc->lock);
+
+       mm_gc = &u8_gc->mm_gc;
+       of_gc = &mm_gc->of_gc;
+       gc = &of_gc->gc;
+
+       mm_gc->save_regs = u8_gpio_save_regs;
+       of_gc->gpio_cells = 2;
+       gc->ngpio = 8;
+       gc->direction_input = u8_gpio_dir_in;
+       gc->direction_output = u8_gpio_dir_out;
+       gc->get = u8_gpio_get;
+       gc->set = u8_gpio_set;
+
+       ret = of_mm_gpiochip_add(np, mm_gc);
+       if (ret)
+               goto err;
+       return 0;
+err:
+       kfree(u8_gc);
+       return ret;
+}
+
+void __init simple_gpiochip_init(const char *compatible)
+{
+       struct device_node *np;
+
+       for_each_compatible_node(np, NULL, compatible) {
+               int ret;
+               struct resource r;
+
+               ret = of_address_to_resource(np, 0, &r);
+               if (ret)
+                       goto err;
+
+               switch (resource_size(&r)) {
+               case 1:
+                       ret = u8_simple_gpiochip_add(np);
+                       if (ret)
+                               goto err;
+                       break;
+               default:
+                       /*
+                        * Whenever you need support for GPIO bank width > 1,
+                        * please just turn u8_ code into huge macros, and
+                        * construct needed uX_ code with it.
+                        */
+                       ret = -ENOSYS;
+                       goto err;
+               }
+               continue;
+err:
+               pr_err("%s: registration failed, status %d\n",
+                      np->full_name, ret);
+       }
+}
diff --git a/arch/powerpc/sysdev/simple_gpio.h b/arch/powerpc/sysdev/simple_gpio.h
new file mode 100644 (file)
index 0000000..3a7b0c5
--- /dev/null
@@ -0,0 +1,12 @@
+#ifndef __SYSDEV_SIMPLE_GPIO_H
+#define __SYSDEV_SIMPLE_GPIO_H
+
+#include <linux/errno.h>
+
+#ifdef CONFIG_SIMPLE_GPIO
+extern void simple_gpiochip_init(const char *compatible);
+#else
+static inline void simple_gpiochip_init(const char *compatible) {}
+#endif /* CONFIG_SIMPLE_GPIO */
+
+#endif /* __SYSDEV_SIMPLE_GPIO_H */