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..cfbe8c52e263 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -18,6 +18,7 @@ #include <linux/kdev_t.h> #include <linux/delay.h> #include <linux/seq_file.h> +#include <linux/of_platform.h> #include <asm/system.h> #include <asm/time.h> @@ -212,6 +213,19 @@ mpc86xx_time_init(void) return 0; } +static __initdata struct of_device_id 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(mpc86xx_hpcn, declare_of_platform_devices); + define_machine(mpc86xx_hpcn) { .name = "MPC86xx HPCN", .probe = mpc86xx_hpcn_probe, diff --git a/arch/powerpc/platforms/8xx/Kconfig b/arch/powerpc/platforms/8xx/Kconfig index 91fbe4241918..7fd224ca233d 100644 --- a/arch/powerpc/platforms/8xx/Kconfig +++ b/arch/powerpc/platforms/8xx/Kconfig @@ -44,6 +44,15 @@ config PPC_EP88XC This board is also resold by Freescale as the QUICCStart MPC885 Evaluation System and/or the CWH-PPC-885XN-VE. +config PPC_ADDER875 + bool "Analogue & Micro Adder 875" + select CPM1 + select PPC_CPM_NEW_BINDING + select REDBOOT + help + This enables support for the Analogue & Micro Adder 875 + board. + endchoice menu "Freescale Ethernet driver platform-specific options" diff --git a/arch/powerpc/platforms/8xx/Makefile b/arch/powerpc/platforms/8xx/Makefile index 8b7098018b59..7b71d9c8fb45 100644 --- a/arch/powerpc/platforms/8xx/Makefile +++ b/arch/powerpc/platforms/8xx/Makefile @@ -5,3 +5,4 @@ obj-$(CONFIG_PPC_8xx) += m8xx_setup.o obj-$(CONFIG_MPC885ADS) += mpc885ads_setup.o obj-$(CONFIG_MPC86XADS) += mpc86xads_setup.o obj-$(CONFIG_PPC_EP88XC) += ep88xc.o +obj-$(CONFIG_PPC_ADDER875) += adder875.o diff --git a/arch/powerpc/platforms/8xx/adder875.c b/arch/powerpc/platforms/8xx/adder875.c new file mode 100644 index 000000000000..c6bc0783c3b0 --- /dev/null +++ b/arch/powerpc/platforms/8xx/adder875.c @@ -0,0 +1,118 @@ +/* Analogue & Micro Adder MPC875 board support + * + * Author: Scott Wood <scottwood@freescale.com> + * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/fs_enet_pd.h> +#include <linux/of_platform.h> + +#include <asm/time.h> +#include <asm/machdep.h> +#include <asm/commproc.h> +#include <asm/fs_pd.h> +#include <asm/udbg.h> +#include <asm/prom.h> + +#include <sysdev/commproc.h> + +struct cpm_pin { + int port, pin, flags; +}; + +static __initdata struct cpm_pin adder875_pins[] = { + /* SMC1 */ + {CPM_PORTB, 24, CPM_PIN_INPUT}, /* RX */ + {CPM_PORTB, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */ + + /* MII1 */ + {CPM_PORTA, 0, CPM_PIN_INPUT}, + {CPM_PORTA, 1, CPM_PIN_INPUT}, + {CPM_PORTA, 2, CPM_PIN_INPUT}, + {CPM_PORTA, 3, CPM_PIN_INPUT}, + {CPM_PORTA, 4, CPM_PIN_OUTPUT}, + {CPM_PORTA, 10, CPM_PIN_OUTPUT}, + {CPM_PORTA, 11, CPM_PIN_OUTPUT}, + {CPM_PORTB, 19, CPM_PIN_INPUT}, + {CPM_PORTB, 31, CPM_PIN_INPUT}, + {CPM_PORTC, 12, CPM_PIN_INPUT}, + {CPM_PORTC, 13, CPM_PIN_INPUT}, + {CPM_PORTE, 30, CPM_PIN_OUTPUT}, + {CPM_PORTE, 31, CPM_PIN_OUTPUT}, + + /* MII2 */ + {CPM_PORTE, 14, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {CPM_PORTE, 15, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {CPM_PORTE, 16, CPM_PIN_OUTPUT}, + {CPM_PORTE, 17, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {CPM_PORTE, 18, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {CPM_PORTE, 19, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {CPM_PORTE, 20, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY}, + {CPM_PORTE, 21, CPM_PIN_OUTPUT}, + {CPM_PORTE, 22, CPM_PIN_OUTPUT}, + {CPM_PORTE, 23, CPM_PIN_OUTPUT}, + {CPM_PORTE, 24, CPM_PIN_OUTPUT}, + {CPM_PORTE, 25, CPM_PIN_OUTPUT}, + {CPM_PORTE, 26, CPM_PIN_OUTPUT}, + {CPM_PORTE, 27, CPM_PIN_OUTPUT}, + {CPM_PORTE, 28, CPM_PIN_OUTPUT}, + {CPM_PORTE, 29, CPM_PIN_OUTPUT}, +}; + +static void __init init_ioports(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(adder875_pins); i++) { + const struct cpm_pin *pin = &adder875_pins[i]; + cpm1_set_pin(pin->port, pin->pin, pin->flags); + } + + cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX); + + /* Set FEC1 and FEC2 to MII mode */ + clrbits32(&mpc8xx_immr->im_cpm.cp_cptr, 0x00000180); +} + +static void __init adder875_setup(void) +{ + cpm_reset(); + init_ioports(); +} + +static int __init adder875_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + return of_flat_dt_is_compatible(root, "analogue-and-micro,adder875"); +} + +static __initdata struct of_device_id 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(adder875, declare_of_platform_devices); + +define_machine(adder875) { + .name = "Adder MPC875", + .probe = adder875_probe, + .setup_arch = adder875_setup, + .init_IRQ = m8xx_pic_init, + .get_irq = mpc8xx_get_irq, + .restart = mpc8xx_restart, + .calibrate_decr = generic_calibrate_decr, + .set_rtc_time = mpc8xx_set_rtc_time, + .get_rtc_time = mpc8xx_get_rtc_time, + .progress = udbg_progress, +}; diff --git a/arch/powerpc/platforms/8xx/ep88xc.c b/arch/powerpc/platforms/8xx/ep88xc.c index c518b6cc5fab..88afa353f1d2 100644 --- a/arch/powerpc/platforms/8xx/ep88xc.c +++ b/arch/powerpc/platforms/8xx/ep88xc.c @@ -155,12 +155,11 @@ static struct of_device_id __initdata of_bus_ids[] = { static int __init declare_of_platform_devices(void) { /* Publish the QE devices */ - if (machine_is(ep88xc)) - of_platform_bus_probe(NULL, of_bus_ids, NULL); + of_platform_bus_probe(NULL, of_bus_ids, NULL); return 0; } -device_initcall(declare_of_platform_devices); +machine_device_initcall(ep88xc, declare_of_platform_devices); define_machine(ep88xc) { .name = "Embedded Planet EP88xC", diff --git a/arch/powerpc/platforms/8xx/mpc86xads_setup.c b/arch/powerpc/platforms/8xx/mpc86xads_setup.c index d2927a434aef..d7965f885209 100644 --- a/arch/powerpc/platforms/8xx/mpc86xads_setup.c +++ b/arch/powerpc/platforms/8xx/mpc86xads_setup.c @@ -128,12 +128,11 @@ static struct of_device_id __initdata of_bus_ids[] = { static int __init declare_of_platform_devices(void) { - if (machine_is(mpc86x_ads)) - of_platform_bus_probe(NULL, of_bus_ids, NULL); + of_platform_bus_probe(NULL, of_bus_ids, NULL); return 0; } -device_initcall(declare_of_platform_devices); +machine_device_initcall(mpc86x_ads, declare_of_platform_devices); define_machine(mpc86x_ads) { .name = "MPC86x ADS", diff --git a/arch/powerpc/platforms/8xx/mpc885ads_setup.c b/arch/powerpc/platforms/8xx/mpc885ads_setup.c index 2cf1b6a75173..6ef8e9e6b8c3 100644 --- a/arch/powerpc/platforms/8xx/mpc885ads_setup.c +++ b/arch/powerpc/platforms/8xx/mpc885ads_setup.c @@ -264,12 +264,11 @@ static struct of_device_id __initdata of_bus_ids[] = { static int __init declare_of_platform_devices(void) { /* Publish the QE devices */ - if (machine_is(mpc885_ads)) - of_platform_bus_probe(NULL, of_bus_ids, NULL); + of_platform_bus_probe(NULL, of_bus_ids, NULL); return 0; } -device_initcall(declare_of_platform_devices); +machine_device_initcall(mpc885_ads, declare_of_platform_devices); define_machine(mpc885_ads) { .name = "Freescale MPC885 ADS", diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index ea22cad2cd0a..2cec34314d2e 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -22,6 +22,7 @@ config PPC_83xx depends on 6xx select FSL_SOC select 83xx + select IPIC select WANT_DEVICE_TREE config PPC_86xx @@ -80,6 +81,10 @@ config XICS bool default y +config IPIC + bool + default n + config MPIC bool default n @@ -265,6 +270,7 @@ config TAU_AVERAGE config QUICC_ENGINE bool select PPC_LIB_RHEAP + select CRC32 help The QUICC Engine (QE) is a new generation of communications coprocessors on Freescale embedded CPUs (akin to CPM in older chips). diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig index 8924095a7928..6c8083757938 100644 --- a/arch/powerpc/platforms/embedded6xx/Kconfig +++ b/arch/powerpc/platforms/embedded6xx/Kconfig @@ -9,6 +9,8 @@ config LINKSTATION select FSL_SOC select PPC_UDBG_16550 if SERIAL_8250 select DEFAULT_UIMAGE + select MPC10X_OPENPIC + select MPC10X_BRIDGE help Select LINKSTATION if configuring for one of PPC- (MPC8241) based NAS systems from Buffalo Technology. So far only @@ -16,6 +18,19 @@ config LINKSTATION Linkstation-I HD-HLAN and HD-HGLAN versions, and PPC-based Terastation systems should be supported too. +config STORCENTER + bool "IOMEGA StorCenter" + depends on EMBEDDED6xx + select MPIC + select FSL_SOC + select PPC_UDBG_16550 if SERIAL_8250 + select WANT_DEVICE_TREE + select MPC10X_OPENPIC + select MPC10X_BRIDGE + help + Select STORCENTER if configuring for the iomega StorCenter + with an 8241 CPU in it. + config MPC7448HPC2 bool "Freescale MPC7448HPC2(Taiga)" depends on EMBEDDED6xx @@ -23,6 +38,7 @@ config MPC7448HPC2 select DEFAULT_UIMAGE select PPC_UDBG_16550 select WANT_DEVICE_TREE + select TSI108_BRIDGE help Select MPC7448HPC2 if configuring for Freescale MPC7448HPC2 (Taiga) platform @@ -33,6 +49,7 @@ config PPC_HOLLY select TSI108_BRIDGE select PPC_UDBG_16550 select WANT_DEVICE_TREE + select TSI108_BRIDGE help Select PPC_HOLLY if configuring for an IBM 750GX/CL Eval Board with TSI108/9 bridge (Hickory/Holly) @@ -48,17 +65,13 @@ config PPC_PRPMC2800 config TSI108_BRIDGE bool - depends on MPC7448HPC2 || PPC_HOLLY select PCI select MPIC select MPIC_WEIRD - default y config MPC10X_BRIDGE bool - depends on LINKSTATION select PPC_INDIRECT_PCI - default y config MV64X60 bool @@ -67,8 +80,6 @@ config MV64X60 config MPC10X_OPENPIC bool - depends on LINKSTATION - default y config MPC10X_STORE_GATHERING bool "Enable MPC10x store gathering" diff --git a/arch/powerpc/platforms/embedded6xx/Makefile b/arch/powerpc/platforms/embedded6xx/Makefile index 844947cfc5db..06524d3ffd2e 100644 --- a/arch/powerpc/platforms/embedded6xx/Makefile +++ b/arch/powerpc/platforms/embedded6xx/Makefile @@ -3,5 +3,6 @@ # obj-$(CONFIG_MPC7448HPC2) += mpc7448_hpc2.o obj-$(CONFIG_LINKSTATION) += linkstation.o ls_uart.o +obj-$(CONFIG_STORCENTER) += storcenter.o obj-$(CONFIG_PPC_HOLLY) += holly.o obj-$(CONFIG_PPC_PRPMC2800) += prpmc2800.o diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c index a2c04b9d42b1..d4f8bf581e3a 100644 --- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c +++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c @@ -53,8 +53,6 @@ #define MPC7448HPC2_PCI_CFG_PHYS 0xfb000000 -extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val); - int mpc7448_hpc2_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn) { diff --git a/arch/powerpc/platforms/embedded6xx/storcenter.c b/arch/powerpc/platforms/embedded6xx/storcenter.c new file mode 100644 index 000000000000..e12e9d298716 --- /dev/null +++ b/arch/powerpc/platforms/embedded6xx/storcenter.c @@ -0,0 +1,192 @@ +/* + * Board setup routines for the storcenter + * + * Copyright 2007 (C) Oyvind Repvik (nail@nslu2-linux.org) + * Copyright 2007 Andy Wilcox, Jon Loeliger + * + * Based on linkstation.c by G. Liakhovetski + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of + * any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/initrd.h> +#include <linux/mtd/physmap.h> +#include <linux/of_platform.h> + +#include <asm/system.h> +#include <asm/time.h> +#include <asm/prom.h> +#include <asm/mpic.h> +#include <asm/pci-bridge.h> + +#include "mpc10x.h" + + +#ifdef CONFIG_MTD_PHYSMAP +static struct mtd_partition storcenter_physmap_partitions[] = { + { + .name = "kernel", + .offset = 0x000000, + .size = 0x170000, + }, + { + .name = "rootfs", + .offset = 0x170000, + .size = 0x590000, + }, + { + .name = "uboot", + .offset = 0x700000, + .size = 0x040000, + }, + { + .name = "config", + .offset = 0x740000, + .size = 0x0c0000, + }, +}; +#endif + + +static __initdata struct of_device_id storcenter_of_bus[] = { + { .name = "soc", }, + {}, +}; + +static int __init storcenter_device_probe(void) +{ + of_platform_bus_probe(NULL, storcenter_of_bus, NULL); + return 0; +} +machine_device_initcall(storcenter, storcenter_device_probe); + + +static int __init storcenter_add_bridge(struct device_node *dev) +{ +#ifdef CONFIG_PCI + int len; + struct pci_controller *hose; + const int *bus_range; + + printk("Adding PCI host bridge %s\n", dev->full_name); + + hose = pcibios_alloc_controller(dev); + if (hose == NULL) + return -ENOMEM; + + bus_range = of_get_property(dev, "bus-range", &len); + hose->first_busno = bus_range ? bus_range[0] : 0; + hose->last_busno = bus_range ? bus_range[1] : 0xff; + + setup_indirect_pci(hose, MPC10X_MAPB_CNFG_ADDR, MPC10X_MAPB_CNFG_DATA, 0); + + /* Interpret the "ranges" property */ + /* This also maps the I/O region and sets isa_io/mem_base */ + pci_process_bridge_OF_ranges(hose, dev, 1); +#endif + + return 0; +} + +static void __init storcenter_setup_arch(void) +{ + struct device_node *np; + +#ifdef CONFIG_MTD_PHYSMAP + physmap_set_partitions(storcenter_physmap_partitions, + ARRAY_SIZE(storcenter_physmap_partitions)); +#endif + + /* Lookup PCI host bridges */ + for_each_compatible_node(np, "pci", "mpc10x-pci") + storcenter_add_bridge(np); + + printk(KERN_INFO "IOMEGA StorCenter\n"); +} + +/* + * Interrupt setup and service. Interrrupts on the turbostation come + * from the four PCI slots plus onboard 8241 devices: I2C, DUART. + */ +static void __init storcenter_init_IRQ(void) +{ + struct mpic *mpic; + struct device_node *dnp; + const void *prop; + int size; + phys_addr_t paddr; + + dnp = of_find_node_by_type(NULL, "open-pic"); + if (dnp == NULL) + return; + + prop = of_get_property(dnp, "reg", &size); + if (prop == NULL) { + of_node_put(dnp); + return; + } + + paddr = (phys_addr_t)of_translate_address(dnp, prop); + mpic = mpic_alloc(dnp, paddr, MPIC_PRIMARY | MPIC_WANTS_RESET, + 4, 32, " EPIC "); + + of_node_put(dnp); + + BUG_ON(mpic == NULL); + + /* PCI IRQs */ + /* + * 2.6.12 patch: + * openpic_set_sources(0, 5, OpenPIC_Addr + 0x10200); + * openpic_set_sources(5, 2, OpenPIC_Addr + 0x11120); + * first_irq, num_irqs, __iomem first_ISR + * o_ss: i, src: 0, fdf50200 + * o_ss: i, src: 1, fdf50220 + * o_ss: i, src: 2, fdf50240 + * o_ss: i, src: 3, fdf50260 + * o_ss: i, src: 4, fdf50280 + * o_ss: i, src: 5, fdf51120 + * o_ss: i, src: 6, fdf51140 + */ + mpic_assign_isu(mpic, 0, paddr + 0x10200); + mpic_assign_isu(mpic, 1, paddr + 0x10220); + mpic_assign_isu(mpic, 2, paddr + 0x10240); + mpic_assign_isu(mpic, 3, paddr + 0x10260); + mpic_assign_isu(mpic, 4, paddr + 0x10280); + mpic_assign_isu(mpic, 5, paddr + 0x11120); + mpic_assign_isu(mpic, 6, paddr + 0x11140); + + mpic_init(mpic); +} + +static void storcenter_restart(char *cmd) +{ + local_irq_disable(); + + /* Set exception prefix high - to the firmware */ + _nmask_and_or_msr(0, MSR_IP); + + /* Wait for reset to happen */ + for (;;) ; +} + +static int __init storcenter_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "storcenter"); +} + +define_machine(storcenter){ + .name = "IOMEGA StorCenter", + .probe = storcenter_probe, + .setup_arch = storcenter_setup_arch, + .init_IRQ = storcenter_init_IRQ, + .get_irq = mpic_get_irq, + .restart = storcenter_restart, + .calibrate_decr = generic_calibrate_decr, +}; |
