diff options
Diffstat (limited to 'arch/powerpc/platforms')
28 files changed, 856 insertions, 64 deletions
diff --git a/arch/powerpc/platforms/82xx/Kconfig b/arch/powerpc/platforms/82xx/Kconfig index 541fbb815631..4fad6c7bf9f1 100644 --- a/arch/powerpc/platforms/82xx/Kconfig +++ b/arch/powerpc/platforms/82xx/Kconfig @@ -26,6 +26,19 @@ config PQ2FADS help This option enables support for the PQ2FADS board +config EP8248E + bool "Embedded Planet EP8248E (a.k.a. CWH-PPC-8248N-VE)" + select 8272 + select 8260 + select FSL_SOC + select PPC_CPM_NEW_BINDING + select MDIO_BITBANG + help + This enables support for the Embedded Planet EP8248E board. + + This board is also resold by Freescale as the QUICCStart + MPC8248 Evaluation System and/or the CWH-PPC-8248N-VE. + endchoice config PQ2ADS diff --git a/arch/powerpc/platforms/82xx/Makefile b/arch/powerpc/platforms/82xx/Makefile index 68c8b0c9772b..6cd5cd59bf2a 100644 --- a/arch/powerpc/platforms/82xx/Makefile +++ b/arch/powerpc/platforms/82xx/Makefile @@ -5,3 +5,4 @@ obj-$(CONFIG_MPC8272_ADS) += mpc8272_ads.o obj-$(CONFIG_CPM2) += pq2.o obj-$(CONFIG_PQ2_ADS_PCI_PIC) += pq2ads-pci-pic.o obj-$(CONFIG_PQ2FADS) += pq2fads.o +obj-$(CONFIG_EP8248E) += ep8248e.o diff --git a/arch/powerpc/platforms/82xx/ep8248e.c b/arch/powerpc/platforms/82xx/ep8248e.c new file mode 100644 index 000000000000..ba93d8ae9b0c --- /dev/null +++ b/arch/powerpc/platforms/82xx/ep8248e.c @@ -0,0 +1,324 @@ +/* + * Embedded Planet EP8248E support + * + * Copyright 2007 Freescale Semiconductor, Inc. + * Author: Scott Wood <scottwood@freescale.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/interrupt.h> +#include <linux/fsl_devices.h> +#include <linux/mdio-bitbang.h> +#include <linux/of_platform.h> + +#include <asm/io.h> +#include <asm/cpm2.h> +#include <asm/udbg.h> +#include <asm/machdep.h> +#include <asm/time.h> +#include <asm/mpc8260.h> +#include <asm/prom.h> + +#include <sysdev/fsl_soc.h> +#include <sysdev/cpm2_pic.h> + +#include "pq2.h" + +static u8 __iomem *ep8248e_bcsr; +static struct device_node *ep8248e_bcsr_node; + +#define BCSR7_SCC2_ENABLE 0x10 + +#define BCSR8_PHY1_ENABLE 0x80 +#define BCSR8_PHY1_POWER 0x40 +#define BCSR8_PHY2_ENABLE 0x20 +#define BCSR8_PHY2_POWER 0x10 +#define BCSR8_MDIO_READ 0x04 +#define BCSR8_MDIO_CLOCK 0x02 +#define BCSR8_MDIO_DATA 0x01 + +#define BCSR9_USB_ENABLE 0x80 +#define BCSR9_USB_POWER 0x40 +#define BCSR9_USB_HOST 0x20 +#define BCSR9_USB_FULL_SPEED_TARGET 0x10 + +static void __init ep8248e_pic_init(void) +{ + struct device_node *np = of_find_compatible_node(NULL, NULL, "fsl,pq2-pic"); + if (!np) { + printk(KERN_ERR "PIC init: can not find cpm-pic node\n"); + return; + } + + cpm2_pic_init(np); + of_node_put(np); +} + +static void ep8248e_set_mdc(struct mdiobb_ctrl *ctrl, int level) +{ + if (level) + setbits8(&ep8248e_bcsr[8], BCSR8_MDIO_CLOCK); + else + clrbits8(&ep8248e_bcsr[8], BCSR8_MDIO_CLOCK); + + /* Read back to flush the write. */ + in_8(&ep8248e_bcsr[8]); +} + +static void ep8248e_set_mdio_dir(struct mdiobb_ctrl *ctrl, int output) +{ + if (output) + clrbits8(&ep8248e_bcsr[8], BCSR8_MDIO_READ); + else + setbits8(&ep8248e_bcsr[8], BCSR8_MDIO_READ); + + /* Read back to flush the write. */ + in_8(&ep8248e_bcsr[8]); +} + +static void ep8248e_set_mdio_data(struct mdiobb_ctrl *ctrl, int data) +{ + if (data) + setbits8(&ep8248e_bcsr[8], BCSR8_MDIO_DATA); + else + clrbits8(&ep8248e_bcsr[8], BCSR8_MDIO_DATA); + + /* Read back to flush the write. */ + in_8(&ep8248e_bcsr[8]); +} + +static int ep8248e_get_mdio_data(struct mdiobb_ctrl *ctrl) +{ + return in_8(&ep8248e_bcsr[8]) & BCSR8_MDIO_DATA; +} + +static const struct mdiobb_ops ep8248e_mdio_ops = { + .set_mdc = ep8248e_set_mdc, + .set_mdio_dir = ep8248e_set_mdio_dir, + .set_mdio_data = ep8248e_set_mdio_data, + .get_mdio_data = ep8248e_get_mdio_data, + .owner = THIS_MODULE, +}; + +static struct mdiobb_ctrl ep8248e_mdio_ctrl = { + .ops = &ep8248e_mdio_ops, +}; + +static int __devinit ep8248e_mdio_probe(struct of_device *ofdev, + const struct of_device_id *match) +{ + struct mii_bus *bus; + struct resource res; + struct device_node *node; + int ret, i; + + node = of_get_parent(ofdev->node); + of_node_put(node); + if (node != ep8248e_bcsr_node) + return -ENODEV; + + ret = of_address_to_resource(ofdev->node, 0, &res); + if (ret) + return ret; + + bus = alloc_mdio_bitbang(&ep8248e_mdio_ctrl); + if (!bus) + return -ENOMEM; + + bus->phy_mask = 0; + bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL); + + for (i = 0; i < PHY_MAX_ADDR; i++) + bus->irq[i] = -1; + + bus->name = "ep8248e-mdio-bitbang"; + bus->dev = &ofdev->dev; + bus->id = res.start; + + return mdiobus_register(bus); +} + +static int ep8248e_mdio_remove(struct of_device *ofdev) +{ + BUG(); + return 0; +} + +static const struct of_device_id ep8248e_mdio_match[] = { + { + .compatible = "fsl,ep8248e-mdio-bitbang", + }, + {}, +}; + +static struct of_platform_driver ep8248e_mdio_driver = { + .driver = { + .name = "ep8248e-mdio-bitbang", + }, + .match_table = ep8248e_mdio_match, + .probe = ep8248e_mdio_probe, + .remove = ep8248e_mdio_remove, +}; + +struct cpm_pin { + int port, pin, flags; +}; + +static __initdata struct cpm_pin ep8248e_pins[] = { + /* SMC1 */ + {2, 4, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {2, 5, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + + /* SCC1 */ + {2, 14, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {2, 15, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {3, 29, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {3, 30, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {3, 31, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + + /* FCC1 */ + {0, 14, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {0, 15, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {0, 16, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {0, 17, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {0, 18, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {0, 19, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {0, 20, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {0, 21, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {0, 26, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, + {0, 27, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, + {0, 28, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {0, 29, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {0, 30, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, + {0, 31, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, + {2, 21, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {2, 22, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + + /* FCC2 */ + {1, 18, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {1, 19, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {1, 20, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {1, 21, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {1, 22, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {1, 23, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {1, 24, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {1, 25, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {1, 26, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {1, 27, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {1, 28, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {1, 29, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {1, 30, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {1, 31, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {2, 18, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {2, 19, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + + /* I2C */ + {4, 14, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, + {4, 15, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, + + /* USB */ + {2, 10, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {2, 11, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {2, 20, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {2, 24, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {3, 23, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {3, 24, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {3, 25, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, +}; + +static void __init init_ioports(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ep8248e_pins); i++) { + const struct cpm_pin *pin = &ep8248e_pins[i]; + cpm2_set_pin(pin->port, pin->pin, pin->flags); + } + + cpm2_smc_clk_setup(CPM_CLK_SMC1, CPM_BRG7); + cpm2_clk_setup(CPM_CLK_SCC1, CPM_BRG1, CPM_CLK_RX); + cpm2_clk_setup(CPM_CLK_SCC1, CPM_BRG1, CPM_CLK_TX); + cpm2_clk_setup(CPM_CLK_SCC3, CPM_CLK8, CPM_CLK_TX); /* USB */ + cpm2_clk_setup(CPM_CLK_FCC1, CPM_CLK11, CPM_CLK_RX); + cpm2_clk_setup(CPM_CLK_FCC1, CPM_CLK10, CPM_CLK_TX); + cpm2_clk_setup(CPM_CLK_FCC2, CPM_CLK13, CPM_CLK_RX); + cpm2_clk_setup(CPM_CLK_FCC2, CPM_CLK14, CPM_CLK_TX); +} + +static void __init ep8248e_setup_arch(void) +{ + if (ppc_md.progress) + ppc_md.progress("ep8248e_setup_arch()", 0); + + cpm2_reset(); + + /* When this is set, snooping CPM DMA from RAM causes + * machine checks. See erratum SIU18. + */ + clrbits32(&cpm2_immr->im_siu_conf.siu_82xx.sc_bcr, MPC82XX_BCR_PLDP); + + ep8248e_bcsr_node = + of_find_compatible_node(NULL, NULL, "fsl,ep8248e-bcsr"); + if (!ep8248e_bcsr_node) { + printk(KERN_ERR "No bcsr in device tree\n"); + return; + } + + ep8248e_bcsr = of_iomap(ep8248e_bcsr_node, 0); + if (!ep8248e_bcsr) { + printk(KERN_ERR "Cannot map BCSR registers\n"); + of_node_put(ep8248e_bcsr_node); + ep8248e_bcsr_node = NULL; + return; + } + + setbits8(&ep8248e_bcsr[7], BCSR7_SCC2_ENABLE); + setbits8(&ep8248e_bcsr[8], BCSR8_PHY1_ENABLE | BCSR8_PHY1_POWER | + BCSR8_PHY2_ENABLE | BCSR8_PHY2_POWER); + + init_ioports(); + + if (ppc_md.progress) + ppc_md.progress("ep8248e_setup_arch(), finish", 0); +} + +static __initdata struct of_device_id of_bus_ids[] = { + { .compatible = "simple-bus", }, + { .compatible = "fsl,ep8248e-bcsr", }, + {}, +}; + +static int __init declare_of_platform_devices(void) +{ + of_platform_bus_probe(NULL, of_bus_ids, NULL); + of_register_platform_driver(&ep8248e_mdio_driver); + + return 0; +} +machine_device_initcall(ep8248e, declare_of_platform_devices); + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init ep8248e_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + return of_flat_dt_is_compatible(root, "fsl,ep8248e"); +} + +define_machine(ep8248e) +{ + .name = "Embedded Planet EP8248E", + .probe = ep8248e_probe, + .setup_arch = ep8248e_setup_arch, + .init_IRQ = ep8248e_pic_init, + .get_irq = cpm2_get_irq, + .calibrate_decr = generic_calibrate_decr, + .restart = pq2_restart, + .progress = udbg_progress, +}; diff --git a/arch/powerpc/platforms/83xx/mpc8313_rdb.c b/arch/powerpc/platforms/83xx/mpc8313_rdb.c index 6fb82993967c..4996b7dfdf1d 100644 --- a/arch/powerpc/platforms/83xx/mpc8313_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc8313_rdb.c @@ -14,6 +14,7 @@ */ #include <linux/pci.h> +#include <linux/of_platform.h> #include <asm/time.h> #include <asm/ipic.h> @@ -75,6 +76,18 @@ static int __init mpc8313_rdb_probe(void) return of_flat_dt_is_compatible(root, "MPC8313ERDB"); } +static struct of_device_id __initdata of_bus_ids[] = { + { .compatible = "simple-bus" }, + {}, +}; + +static int __init declare_of_platform_devices(void) +{ + of_platform_bus_probe(NULL, of_bus_ids, NULL); + return 0; +} +machine_device_initcall(mpc8313_rdb, declare_of_platform_devices); + define_machine(mpc8313_rdb) { .name = "MPC8313 RDB", .probe = mpc8313_rdb_probe, diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c index 1e570bb947fc..dbdd4adef645 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c @@ -110,15 +110,12 @@ static struct of_device_id mpc832x_ids[] = { static int __init mpc832x_declare_of_platform_devices(void) { - if (!machine_is(mpc832x_mds)) - return 0; - /* Publish the QE devices */ of_platform_bus_probe(NULL, mpc832x_ids, NULL); return 0; } -device_initcall(mpc832x_declare_of_platform_devices); +machine_device_initcall(mpc832x_mds, mpc832x_declare_of_platform_devices); static void __init mpc832x_sys_init_IRQ(void) { diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c index ffb2e9361ce3..5fddd2285abb 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c @@ -63,9 +63,6 @@ static struct spi_board_info mpc832x_spi_boardinfo = { static int __init mpc832x_spi_init(void) { - if (!machine_is(mpc832x_rdb)) - return 0; - par_io_config_pin(3, 0, 3, 0, 1, 0); /* SPI1 MOSI, I/O */ par_io_config_pin(3, 1, 3, 0, 1, 0); /* SPI1 MISO, I/O */ par_io_config_pin(3, 2, 3, 0, 1, 0); /* SPI1 CLK, I/O */ @@ -80,7 +77,7 @@ static int __init mpc832x_spi_init(void) mpc83xx_spi_deactivate_cs); } -device_initcall(mpc832x_spi_init); +machine_device_initcall(mpc832x_rdb, mpc832x_spi_init); /* ************************************************************************ * @@ -123,15 +120,12 @@ static struct of_device_id mpc832x_ids[] = { static int __init mpc832x_declare_of_platform_devices(void) { - if (!machine_is(mpc832x_rdb)) - return 0; - /* Publish the QE devices */ of_platform_bus_probe(NULL, mpc832x_ids, NULL); return 0; } -device_initcall(mpc832x_declare_of_platform_devices); +machine_device_initcall(mpc832x_rdb, mpc832x_declare_of_platform_devices); void __init mpc832x_rdb_init_IRQ(void) { diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c index aa768199432d..50e8f632061c 100644 --- a/arch/powerpc/platforms/83xx/mpc834x_itx.c +++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c @@ -23,6 +23,7 @@ #include <linux/delay.h> #include <linux/seq_file.h> #include <linux/root_dev.h> +#include <linux/of_platform.h> #include <asm/system.h> #include <asm/atomic.h> @@ -37,6 +38,17 @@ #include "mpc83xx.h" +static struct of_device_id __initdata mpc834x_itx_ids[] = { + { .compatible = "fsl,pq2pro-localbus", }, + {}, +}; + +static int __init mpc834x_itx_declare_of_platform_devices(void) +{ + return of_platform_bus_probe(NULL, mpc834x_itx_ids, NULL); +} +machine_device_initcall(mpc834x_itx, mpc834x_itx_declare_of_platform_devices); + /* ************************************************************************ * * Setup the architecture diff --git a/arch/powerpc/platforms/83xx/mpc834x_mds.c b/arch/powerpc/platforms/83xx/mpc834x_mds.c index 459fb7227e76..2b8a0a3f8557 100644 --- a/arch/powerpc/platforms/83xx/mpc834x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc834x_mds.c @@ -115,13 +115,10 @@ static struct of_device_id mpc834x_ids[] = { static int __init mpc834x_declare_of_platform_devices(void) { - if (!machine_is(mpc834x_mds)) - return 0; - of_platform_bus_probe(NULL, mpc834x_ids, NULL); return 0; } -device_initcall(mpc834x_declare_of_platform_devices); +machine_device_initcall(mpc834x_mds, mpc834x_declare_of_platform_devices); /* * Called very early, MMU is off, device-tree isn't unflattened diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c index 2ac9890b763c..db491ec006e0 100644 --- a/arch/powerpc/platforms/83xx/mpc836x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c @@ -141,15 +141,12 @@ static struct of_device_id mpc836x_ids[] = { static int __init mpc836x_declare_of_platform_devices(void) { - if (!machine_is(mpc836x_mds)) - return 0; - /* Publish the QE devices */ of_platform_bus_probe(NULL, mpc836x_ids, NULL); return 0; } -device_initcall(mpc836x_declare_of_platform_devices); +machine_device_initcall(mpc836x_mds, mpc836x_declare_of_platform_devices); static void __init mpc836x_mds_init_IRQ(void) { diff --git a/arch/powerpc/platforms/83xx/mpc837x_mds.c b/arch/powerpc/platforms/83xx/mpc837x_mds.c index 9cdc32b4fa18..8a9c26973605 100644 --- a/arch/powerpc/platforms/83xx/mpc837x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc837x_mds.c @@ -22,6 +22,56 @@ #include "mpc83xx.h" +#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) +{ + struct device_node *np; + const void *phy_type, *mode; + void __iomem *bcsr_regs = NULL; + u8 bcsr12; + int ret; + + ret = mpc837x_usb_cfg(); + if (ret) + return ret; + /* Map BCSR area */ + np = of_find_node_by_name(NULL, "bcsr"); + if (np) { + struct resource res; + + of_address_to_resource(np, 0, &res); + bcsr_regs = ioremap(res.start, res.end - res.start + 1); + of_node_put(np); + } + if (!bcsr_regs) + return -1; + + np = of_find_node_by_name(NULL, "usb"); + if (!np) + return -ENODEV; + phy_type = of_get_property(np, "phy_type", NULL); + if (phy_type && !strcmp(phy_type, "ulpi")) { + clrbits8(bcsr_regs + 12, BCSR12_USB_SER_PIN); + } else if (phy_type && !strcmp(phy_type, "serial")) { + mode = of_get_property(np, "dr_mode", NULL); + bcsr12 = in_8(bcsr_regs + 12) & ~BCSR12_USB_SER_MASK; + bcsr12 |= BCSR12_USB_SER_PIN; + if (mode && !strcmp(mode, "peripheral")) + bcsr12 |= BCSR12_USB_SER_DEVICE; + out_8(bcsr_regs + 12, bcsr12); + } else { + printk(KERN_ERR "USB DR: unsupported PHY\n"); + } + + of_node_put(np); + iounmap(bcsr_regs); + return 0; +} + /* ************************************************************************ * * Setup the architecture @@ -40,6 +90,7 @@ static void __init mpc837x_mds_setup_arch(void) for_each_compatible_node(np, "pci", "fsl,mpc8349-pci") mpc83xx_add_bridge(np); #endif + mpc837xmds_usb_cfg(); } static struct of_device_id mpc837x_ids[] = { @@ -50,15 +101,12 @@ static struct of_device_id mpc837x_ids[] = { static int __init mpc837x_declare_of_platform_devices(void) { - if (!machine_is(mpc837x_mds)) - return 0; - /* Publish of_device */ of_platform_bus_probe(NULL, mpc837x_ids, NULL); return 0; } -device_initcall(mpc837x_declare_of_platform_devices); +machine_device_initcall(mpc837x_mds, mpc837x_declare_of_platform_devices); static void __init mpc837x_mds_init_IRQ(void) { diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h index b778cb4f3fb5..88bb748aff0d 100644 --- a/arch/powerpc/platforms/83xx/mpc83xx.h +++ b/arch/powerpc/platforms/83xx/mpc83xx.h @@ -14,6 +14,7 @@ #define MPC83XX_SCCR_USB_DRCM_11 0x00300000 #define MPC83XX_SCCR_USB_DRCM_01 0x00100000 #define MPC83XX_SCCR_USB_DRCM_10 0x00200000 +#define MPC837X_SCCR_USB_DRCM_11 0x00c00000 /* system i/o configuration register low */ #define MPC83XX_SICRL_OFFS 0x114 @@ -22,6 +23,8 @@ #define MPC834X_SICRL_USB1 0x20000000 #define MPC831X_SICRL_USB_MASK 0x00000c00 #define MPC831X_SICRL_USB_ULPI 0x00000800 +#define MPC837X_SICRL_USB_MASK 0xf0000000 +#define MPC837X_SICRL_USB_ULPI 0x50000000 /* system i/o configuration register high */ #define MPC83XX_SICRH_OFFS 0x118 diff --git a/arch/powerpc/platforms/83xx/usb.c b/arch/powerpc/platforms/83xx/usb.c index b45160f8d084..6a454a4087c8 100644 --- a/arch/powerpc/platforms/83xx/usb.c +++ b/arch/powerpc/platforms/83xx/usb.c @@ -41,7 +41,7 @@ int mpc834x_usb_cfg(void) sicrl = in_be32(immap + MPC83XX_SICRL_OFFS) & ~MPC834X_SICRL_USB_MASK; sicrh = in_be32(immap + MPC83XX_SICRH_OFFS) & ~MPC834X_SICRH_USB_UTMI; - np = of_find_compatible_node(NULL, "usb", "fsl-usb2-dr"); + np = of_find_compatible_node(NULL, NULL, "fsl-usb2-dr"); if (np) { sccr |= MPC83XX_SCCR_USB_DRCM_11; /* 1:3 */ @@ -67,7 +67,7 @@ int mpc834x_usb_cfg(void) port0_is_dr = 1; of_node_put(np); } - np = of_find_compatible_node(NULL, "usb", "fsl-usb2-mph"); + np = of_find_compatible_node(NULL, NULL, "fsl-usb2-mph"); if (np) { sccr |= MPC83XX_SCCR_USB_MPHCM_11; /* 1:3 */ @@ -111,7 +111,7 @@ int mpc831x_usb_cfg(void) const void *dr_mode; #endif - np = of_find_compatible_node(NULL, "usb", "fsl-usb2-dr"); + np = of_find_compatible_node(NULL, NULL, "fsl-usb2-dr"); if (!np) return -ENODEV; prop = of_get_property(np, "phy_type", NULL); @@ -179,3 +179,43 @@ int mpc831x_usb_cfg(void) return ret; } #endif /* CONFIG_PPC_MPC831x */ + +#ifdef CONFIG_PPC_MPC837x +int mpc837x_usb_cfg(void) +{ + void __iomem *immap; + struct device_node *np = NULL; + const void *prop; + int ret = 0; + + np = of_find_compatible_node(NULL, NULL, "fsl-usb2-dr"); + if (!np) + return -ENODEV; + prop = of_get_property(np, "phy_type", NULL); + + if (!prop || (strcmp(prop, "ulpi") && strcmp(prop, "serial"))) { + printk(KERN_WARNING "837x USB PHY type not supported\n"); + of_node_put(np); + return -EINVAL; + } + + /* Map IMMR space for pin and clock settings */ + immap = ioremap(get_immrbase(), 0x1000); + if (!immap) { + of_node_put(np); + return -ENOMEM; + } + + /* Configure clock */ + clrsetbits_be32(immap + MPC83XX_SCCR_OFFS, MPC837X_SCCR_USB_DRCM_11, + MPC837X_SCCR_USB_DRCM_11); + + /* Configure pin mux for ULPI/serial */ + clrsetbits_be32(immap + MPC83XX_SICRL_OFFS, MPC837X_SICRL_USB_MASK, + MPC837X_SICRL_USB_ULPI); + + iounmap(immap); + of_node_put(np); + return ret; +} +#endif /* CONFIG_PPC_MPC837x */ diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c index bccdc25f83a2..4e0305096114 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c @@ -52,9 +52,9 @@ static void cpm2_cascade(unsigned int irq, struct irq_desc *desc) { int cascade_irq; - while ((cascade_irq = cpm2_get_irq()) >= 0) { + while ((cascade_irq = cpm2_get_irq()) >= 0) generic_handle_irq(cascade_irq); - } + desc->chip->eoi(irq); } @@ -70,13 +70,12 @@ static void __init mpc85xx_ads_pic_init(void) #endif np = of_find_node_by_type(np, "open-pic"); - - if (np == NULL) { + if (!np) { printk(KERN_ERR "Could not find open-pic node\n"); return; } - if(of_address_to_resource(np, 0, &r)) { + if (of_address_to_resource(np, 0, &r)) { printk(KERN_ERR "Could not map mpic register space\n"); of_node_put(np); return; @@ -100,6 +99,7 @@ static void __init mpc85xx_ads_pic_init(void) irq = irq_of_parse_and_map(np, 0); cpm2_pic_init(np); + of_node_put(np); set_irq_chained_handler(irq, cpm2_cascade); #endif } @@ -112,7 +112,7 @@ struct cpm_pin { int port, pin, flags; }; -static struct cpm_pin mpc8560_ads_pins[] = { +static const struct cpm_pin mpc8560_ads_pins[] = { /* SCC1 */ {3, 29, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, {3, 30, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, @@ -233,13 +233,11 @@ static struct of_device_id __initdata of_bus_ids[] = { static int __init declare_of_platform_devices(void) { - if (!machine_is(mpc85xx_ads)) - return 0; - of_platform_bus_probe(NULL, of_bus_ids, NULL); + return 0; } -device_initcall(declare_of_platform_devices); +machine_device_initcall(mpc85xx_ads, declare_of_platform_devices); /* * Called very early, device-tree isn't unflattened diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index 4d063eec6210..8b1de7884be6 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -222,9 +222,6 @@ static int mpc85xx_cds_8259_attach(void) struct device_node *cascade_node = NULL; int cascade_irq; - if (!machine_is(mpc85xx_cds)) - return 0; - /* Initialize the i8259 controller */ for_each_node_by_type(np, "interrupt-controller") if (of_device_is_compatible(np, "chrp,iic")) { @@ -262,8 +259,7 @@ static int mpc85xx_cds_8259_attach(void) return 0; } - -device_initcall(mpc85xx_cds_8259_attach); +machine_device_initcall(mpc85xx_cds, mpc85xx_cds_8259_attach); #endif /* CONFIG_PPC_I8259 */ diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index e6c63a5b1efb..4fdf5abefffd 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -144,15 +144,12 @@ static struct of_device_id mpc85xx_ids[] = { static int __init mpc85xx_publish_devices(void) { - if (!machine_is(mpc85xx_mds)) - return 0; - /* Publish the QE devices */ - of_platform_bus_probe(NULL,mpc85xx_ids,NULL); + of_platform_bus_probe(NULL, mpc85xx_ids, NULL); return 0; } -device_initcall(mpc85xx_publish_devices); +machine_device_initcall(mpc85xx_mds, mpc85xx_publish_devices); static void __init mpc85xx_mds_pic_init(void) { diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c index c6d2f48f8f3d..0b07485641fe 100644 --- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c +++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c @@ -34,9 +34,24 @@ #include <asm/mpic.h> +#include <linux/of_platform.h> #include <sysdev/fsl_pci.h> #include <sysdev/fsl_soc.h> +static struct of_device_id __initdata mpc8610_ids[] = { + { .compatible = "fsl,mpc8610-immr", }, + {} +}; + +static int __init mpc8610_declare_of_platform_devices(void) +{ + /* Without this call, the SSI device driver won't get probed. */ + of_platform_bus_probe(NULL, mpc8610_ids, NULL); + + return 0; +} +machine_device_initcall(mpc86xx_hpcd, mpc8610_declare_of_platform_devices); + void __init mpc86xx_hpcd_init_irq(void) { diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c index 14f4e527e7ac..cf |
