diff options
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/83xx/Kconfig | 8 | ||||
| -rw-r--r-- | arch/powerpc/platforms/83xx/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/83xx/mpc830x_rdb.c | 94 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/Kconfig | 8 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx_mds.c | 279 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/p1022_ds.c | 148 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/smp.c | 63 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/tqm85xx.c | 21 | ||||
| -rw-r--r-- | arch/powerpc/platforms/8xx/Kconfig | 6 | ||||
| -rw-r--r-- | arch/powerpc/platforms/8xx/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/8xx/tqm8xx_setup.c | 156 |
12 files changed, 669 insertions, 117 deletions
diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig index f49a2548c5f..021763a32c2 100644 --- a/arch/powerpc/platforms/83xx/Kconfig +++ b/arch/powerpc/platforms/83xx/Kconfig @@ -9,6 +9,14 @@ menuconfig PPC_83xx if PPC_83xx +config MPC830x_RDB + bool "Freescale MPC830x RDB" + select DEFAULT_UIMAGE + select PPC_MPC831x + select FSL_GTM + help + This option enables support for the MPC8308 RDB board. + config MPC831x_RDB bool "Freescale MPC831x RDB" select DEFAULT_UIMAGE diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile index e139c36572e..6e8bbbbcfdf 100644 --- a/arch/powerpc/platforms/83xx/Makefile +++ b/arch/powerpc/platforms/83xx/Makefile @@ -4,6 +4,7 @@ obj-y := misc.o usb.o obj-$(CONFIG_SUSPEND) += suspend.o suspend-asm.o obj-$(CONFIG_MCU_MPC8349EMITX) += mcu_mpc8349emitx.o +obj-$(CONFIG_MPC830x_RDB) += mpc830x_rdb.o obj-$(CONFIG_MPC831x_RDB) += mpc831x_rdb.o obj-$(CONFIG_MPC832x_RDB) += mpc832x_rdb.o obj-$(CONFIG_MPC834x_MDS) += mpc834x_mds.o diff --git a/arch/powerpc/platforms/83xx/mpc830x_rdb.c b/arch/powerpc/platforms/83xx/mpc830x_rdb.c new file mode 100644 index 00000000000..ac102ee9abe --- /dev/null +++ b/arch/powerpc/platforms/83xx/mpc830x_rdb.c @@ -0,0 +1,94 @@ +/* + * arch/powerpc/platforms/83xx/mpc830x_rdb.c + * + * Description: MPC830x RDB board specific routines. + * This file is based on mpc831x_rdb.c + * + * Copyright (C) Freescale Semiconductor, Inc. 2009. All rights reserved. + * Copyright (C) 2010. Ilya Yanok, Emcraft Systems, yanok@emcraft.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/pci.h> +#include <linux/of_platform.h> +#include <asm/time.h> +#include <asm/ipic.h> +#include <asm/udbg.h> +#include <sysdev/fsl_pci.h> +#include <sysdev/fsl_soc.h> +#include "mpc83xx.h" + +/* + * Setup the architecture + */ +static void __init mpc830x_rdb_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; +#endif + + if (ppc_md.progress) + ppc_md.progress("mpc830x_rdb_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_compatible_node(np, "pci", "fsl,mpc8308-pcie") + mpc83xx_add_bridge(np); +#endif + mpc831x_usb_cfg(); +} + +static void __init mpc830x_rdb_init_IRQ(void) +{ + struct device_node *np; + + np = of_find_node_by_type(NULL, "ipic"); + if (!np) + return; + + ipic_init(np, 0); + + /* Initialize the default interrupt mapping priorities, + * in case the boot rom changed something on us. + */ + ipic_set_default_priority(); +} + +/* + * Called very early, MMU is off, device-tree isn't unflattened + */ +static int __init mpc830x_rdb_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "MPC8308RDB") || + of_flat_dt_is_compatible(root, "fsl,mpc8308rdb"); +} + +static struct of_device_id __initdata of_bus_ids[] = { + { .compatible = "simple-bus" }, + { .compatible = "gianfar" }, + {}, +}; + +static int __init declare_of_platform_devices(void) +{ + of_platform_bus_probe(NULL, of_bus_ids, NULL); + return 0; +} +machine_device_initcall(mpc830x_rdb, declare_of_platform_devices); + +define_machine(mpc830x_rdb) { + .name = "MPC830x RDB", + .probe = mpc830x_rdb_probe, + .setup_arch = mpc830x_rdb_setup_arch, + .init_IRQ = mpc830x_rdb_init_IRQ, + .get_irq = ipic_get_irq, + .restart = mpc83xx_restart, + .time_init = mpc83xx_time_init, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +}; diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index 3a2ade2e443..bea1f5905ad 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -65,6 +65,14 @@ config MPC85xx_RDB help This option enables support for the MPC85xx RDB (P2020 RDB) board +config P1022_DS + bool "Freescale P1022 DS" + select DEFAULT_UIMAGE + select CONFIG_PHYS_64BIT # The DTS has 36-bit addresses + select SWIOTLB + help + This option enables support for the Freescale P1022DS reference board. + config SOCRATES bool "Socrates" select DEFAULT_UIMAGE diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile index 387c128f2c8..a2ec3f8f4d0 100644 --- a/arch/powerpc/platforms/85xx/Makefile +++ b/arch/powerpc/platforms/85xx/Makefile @@ -10,6 +10,7 @@ obj-$(CONFIG_MPC8536_DS) += mpc8536_ds.o obj-$(CONFIG_MPC85xx_DS) += mpc85xx_ds.o obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o obj-$(CONFIG_MPC85xx_RDB) += mpc85xx_rdb.o +obj-$(CONFIG_P1022_DS) += p1022_ds.o obj-$(CONFIG_P4080_DS) += p4080_ds.o corenet_ds.o obj-$(CONFIG_STX_GP3) += stx_gp3.o obj-$(CONFIG_TQM85xx) += tqm85xx.o diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index 494513682d7..da64be19d09 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -158,51 +158,108 @@ static int mpc8568_mds_phy_fixups(struct phy_device *phydev) extern void __init mpc85xx_smp_init(void); #endif -static void __init mpc85xx_mds_setup_arch(void) +#ifdef CONFIG_QUICC_ENGINE +static struct of_device_id mpc85xx_qe_ids[] __initdata = { + { .type = "qe", }, + { .compatible = "fsl,qe", }, + { }, +}; + +static void __init mpc85xx_publish_qe_devices(void) { struct device_node *np; - static u8 __iomem *bcsr_regs = NULL; -#ifdef CONFIG_PCI - struct pci_controller *hose; -#endif - dma_addr_t max = 0xffffffff; - if (ppc_md.progress) - ppc_md.progress("mpc85xx_mds_setup_arch()", 0); + np = of_find_compatible_node(NULL, NULL, "fsl,qe"); + if (!of_device_is_available(np)) { + of_node_put(np); + return; + } + + of_platform_bus_probe(NULL, mpc85xx_qe_ids, NULL); +} + +static void __init mpc85xx_mds_reset_ucc_phys(void) +{ + struct device_node *np; + static u8 __iomem *bcsr_regs; /* Map BCSR area */ np = of_find_node_by_name(NULL, "bcsr"); - if (np != NULL) { - struct resource res; + if (!np) + return; - of_address_to_resource(np, 0, &res); - bcsr_regs = ioremap(res.start, res.end - res.start +1); - of_node_put(np); - } + bcsr_regs = of_iomap(np, 0); + of_node_put(np); + if (!bcsr_regs) + return; -#ifdef CONFIG_PCI - for_each_node_by_type(np, "pci") { - if (of_device_is_compatible(np, "fsl,mpc8540-pci") || - of_device_is_compatible(np, "fsl,mpc8548-pcie")) { - struct resource rsrc; - of_address_to_resource(np, 0, &rsrc); - if ((rsrc.start & 0xfffff) == 0x8000) - fsl_add_bridge(np, 1); - else - fsl_add_bridge(np, 0); + if (machine_is(mpc8568_mds)) { +#define BCSR_UCC1_GETH_EN (0x1 << 7) +#define BCSR_UCC2_GETH_EN (0x1 << 7) +#define BCSR_UCC1_MODE_MSK (0x3 << 4) +#define BCSR_UCC2_MODE_MSK (0x3 << 0) - hose = pci_find_hose_for_OF_device(np); - max = min(max, hose->dma_window_base_cur + - hose->dma_window_size); + /* Turn off UCC1 & UCC2 */ + clrbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN); + clrbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN); + + /* Mode is RGMII, all bits clear */ + clrbits8(&bcsr_regs[11], BCSR_UCC1_MODE_MSK | + BCSR_UCC2_MODE_MSK); + + /* Turn UCC1 & UCC2 on */ + setbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN); + setbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN); + } else if (machine_is(mpc8569_mds)) { +#define BCSR7_UCC12_GETHnRST (0x1 << 2) +#define BCSR8_UEM_MARVELL_RST (0x1 << 1) +#define BCSR_UCC_RGMII (0x1 << 6) +#define BCSR_UCC_RTBI (0x1 << 5) + /* + * U-Boot mangles interrupt polarity for Marvell PHYs, + * so reset built-in and UEM Marvell PHYs, this puts + * the PHYs into their normal state. + */ + clrbits8(&bcsr_regs[7], BCSR7_UCC12_GETHnRST); + setbits8(&bcsr_regs[8], BCSR8_UEM_MARVELL_RST); + + setbits8(&bcsr_regs[7], BCSR7_UCC12_GETHnRST); + clrbits8(&bcsr_regs[8], BCSR8_UEM_MARVELL_RST); + + for (np = NULL; (np = of_find_compatible_node(np, + "network", + "ucc_geth")) != NULL;) { + const unsigned int *prop; + int ucc_num; + + prop = of_get_property(np, "cell-index", NULL); + if (prop == NULL) + continue; + + ucc_num = *prop - 1; + + prop = of_get_property(np, "phy-connection-type", NULL); + if (prop == NULL) + continue; + + if (strcmp("rtbi", (const char *)prop) == 0) + clrsetbits_8(&bcsr_regs[7 + ucc_num], + BCSR_UCC_RGMII, BCSR_UCC_RTBI); } + } else if (machine_is(p1021_mds)) { +#define BCSR11_ENET_MICRST (0x1 << 5) + /* Reset Micrel PHY */ + clrbits8(&bcsr_regs[11], BCSR11_ENET_MICRST); + setbits8(&bcsr_regs[11], BCSR11_ENET_MICRST); } -#endif -#ifdef CONFIG_SMP - mpc85xx_smp_init(); -#endif + iounmap(bcsr_regs); +} + +static void __init mpc85xx_mds_qe_init(void) +{ + struct device_node *np; -#ifdef CONFIG_QUICC_ENGINE np = of_find_compatible_node(NULL, NULL, "fsl,qe"); if (!np) { np = of_find_node_by_name(NULL, "qe"); @@ -210,6 +267,11 @@ static void __init mpc85xx_mds_setup_arch(void) return; } + if (!of_device_is_available(np)) { + of_node_put(np); + return; + } + qe_reset(); of_node_put(np); @@ -224,70 +286,7 @@ static void __init mpc85xx_mds_setup_arch(void) par_io_of_config(ucc); } - if (bcsr_regs) { - if (machine_is(mpc8568_mds)) { -#define BCSR_UCC1_GETH_EN (0x1 << 7) -#define BCSR_UCC2_GETH_EN (0x1 << 7) -#define BCSR_UCC1_MODE_MSK (0x3 << 4) -#define BCSR_UCC2_MODE_MSK (0x3 << 0) - - /* Turn off UCC1 & UCC2 */ - clrbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN); - clrbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN); - - /* Mode is RGMII, all bits clear */ - clrbits8(&bcsr_regs[11], BCSR_UCC1_MODE_MSK | - BCSR_UCC2_MODE_MSK); - - /* Turn UCC1 & UCC2 on */ - setbits8(&bcsr_regs[8], BCSR_UCC1_GETH_EN); - setbits8(&bcsr_regs[9], BCSR_UCC2_GETH_EN); - } else if (machine_is(mpc8569_mds)) { -#define BCSR7_UCC12_GETHnRST (0x1 << 2) -#define BCSR8_UEM_MARVELL_RST (0x1 << 1) -#define BCSR_UCC_RGMII (0x1 << 6) -#define BCSR_UCC_RTBI (0x1 << 5) - /* - * U-Boot mangles interrupt polarity for Marvell PHYs, - * so reset built-in and UEM Marvell PHYs, this puts - * the PHYs into their normal state. - */ - clrbits8(&bcsr_regs[7], BCSR7_UCC12_GETHnRST); - setbits8(&bcsr_regs[8], BCSR8_UEM_MARVELL_RST); - - setbits8(&bcsr_regs[7], BCSR7_UCC12_GETHnRST); - clrbits8(&bcsr_regs[8], BCSR8_UEM_MARVELL_RST); - - for (np = NULL; (np = of_find_compatible_node(np, - "network", - "ucc_geth")) != NULL;) { - const unsigned int *prop; - int ucc_num; - - prop = of_get_property(np, "cell-index", NULL); - if (prop == NULL) - continue; - - ucc_num = *prop - 1; - - prop = of_get_property(np, "phy-connection-type", NULL); - if (prop == NULL) - continue; - - if (strcmp("rtbi", (const char *)prop) == 0) - clrsetbits_8(&bcsr_regs[7 + ucc_num], - BCSR_UCC_RGMII, BCSR_UCC_RTBI); - } - - } else if (machine_is(p1021_mds)) { -#define BCSR11_ENET_MICRST (0x1 << 5) - /* Reset Micrel PHY */ - clrbits8(&bcsr_regs[11], BCSR11_ENET_MICRST); - setbits8(&bcsr_regs[11], BCSR11_ENET_MICRST); - } - - iounmap(bcsr_regs); - } + mpc85xx_mds_reset_ucc_phys(); if (machine_is(p1021_mds)) { #define MPC85xx_PMUXCR_OFFSET 0x60 @@ -322,8 +321,72 @@ static void __init mpc85xx_mds_setup_arch(void) } } +} + +static void __init mpc85xx_mds_qeic_init(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,qe"); + if (!of_device_is_available(np)) { + of_node_put(np); + return; + } + + np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic"); + if (!np) { + np = of_find_node_by_type(NULL, "qeic"); + if (!np) + return; + } + + if (machine_is(p1021_mds)) + qe_ic_init(np, 0, qe_ic_cascade_low_mpic, + qe_ic_cascade_high_mpic); + else + qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL); + of_node_put(np); +} +#else +static void __init mpc85xx_publish_qe_devices(void) { } +static void __init mpc85xx_mds_qe_init(void) { } +static void __init mpc85xx_mds_qeic_init(void) { } #endif /* CONFIG_QUICC_ENGINE */ +static void __init mpc85xx_mds_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct pci_controller *hose; +#endif + dma_addr_t max = 0xffffffff; + + if (ppc_md.progress) + ppc_md.progress("mpc85xx_mds_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_node_by_type(np, "pci") { + if (of_device_is_compatible(np, "fsl,mpc8540-pci") || + of_device_is_compatible(np, "fsl,mpc8548-pcie")) { + struct resource rsrc; + of_address_to_resource(np, 0, &rsrc); + if ((rsrc.start & 0xfffff) == 0x8000) + fsl_add_bridge(np, 1); + else + fsl_add_bridge(np, 0); + + hose = pci_find_hose_for_OF_device(np); + max = min(max, hose->dma_window_base_cur + + hose->dma_window_size); + } + } +#endif + +#ifdef CONFIG_SMP + mpc85xx_smp_init(); +#endif + + mpc85xx_mds_qe_init(); + #ifdef CONFIG_SWIOTLB if (memblock_end_of_DRAM() > max) { ppc_swiotlb_enable = 1; @@ -369,8 +432,6 @@ static struct of_device_id mpc85xx_ids[] = { { .type = "soc", }, { .compatible = "soc", }, { .compatible = "simple-bus", }, - { .type = "qe", }, - { .compatible = "fsl,qe", }, { .compatible = "gianfar", }, { .compatible = "fsl,rapidio-delta", }, { .compatible = "fsl,mpc8548-guts", }, @@ -382,8 +443,6 @@ static struct of_device_id p1021_ids[] = { { .type = "soc", }, { .compatible = "soc", }, { .compatible = "simple-bus", }, - { .type = "qe", }, - { .compatible = "fsl,qe", }, { .compatible = "gianfar", }, {}, }; @@ -395,16 +454,16 @@ static int __init mpc85xx_publish_devices(void) if (machine_is(mpc8569_mds)) simple_gpiochip_init("fsl,mpc8569mds-bcsr-gpio"); - /* Publish the QE devices */ of_platform_bus_probe(NULL, mpc85xx_ids, NULL); + mpc85xx_publish_qe_devices(); return 0; } static int __init p1021_publish_devices(void) { - /* Publish the QE devices */ of_platform_bus_probe(NULL, p1021_ids, NULL); + mpc85xx_publish_qe_devices(); return 0; } @@ -441,21 +500,7 @@ static void __init mpc85xx_mds_pic_init(void) of_node_put(np); mpic_init(mpic); - -#ifdef CONFIG_QUICC_ENGINE - np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic"); - if (!np) { - np = of_find_node_by_type(NULL, "qeic"); - if (!np) - return; - } - if (machine_is(p1021_mds)) - qe_ic_init(np, 0, qe_ic_cascade_low_mpic, - qe_ic_cascade_high_mpic); - else - qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL); - of_node_put(np); -#endif /* CONFIG_QUICC_ENGINE */ + mpc85xx_mds_qeic_init(); } static int __init mpc85xx_mds_probe(void) diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c new file mode 100644 index 00000000000..e1467c93745 --- /dev/null +++ b/arch/powerpc/platforms/85xx/p1022_ds.c @@ -0,0 +1,148 @@ +/* + * P1022DS board specific routines + * + * Authors: Travis Wheatley <travis.wheatley@freescale.com> + * Dave Liu <daveliu@freescale.com> + * Timur Tabi <timur@freescale.com> + * + * Copyright 2010 Freescale Semiconductor, Inc. + * + * This file is taken from the Freescale P1022DS BSP, with modifications: + * 1) No DIU support (pending rewrite of DIU code) + * 2) No AMP support + * 3) No PCI endpoint support + * + * 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/pci.h> +#include <linux/of_platform.h> +#include <linux/lmb.h> + +#include <asm/mpic.h> +#include <asm/swiotlb.h> + +#include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> + +void __init p1022_ds_pic_init(void) +{ + struct mpic *mpic; + struct resource r; + struct device_node *np; + + np = of_find_node_by_type(NULL, "open-pic"); + if (!np) { + pr_err("Could not find open-pic node\n"); + return; + } + + if (of_address_to_resource(np, 0, &r)) { + pr_err("Failed to map mpic register space\n"); + of_node_put(np); + return; + } + + mpic = mpic_alloc(np, r.start, + MPIC_PRIMARY | MPIC_WANTS_RESET | + MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | + MPIC_SINGLE_DEST_CPU, + 0, 256, " OpenPIC "); + + BUG_ON(mpic == NULL); + of_node_put(np); + + mpic_init(mpic); +} + +#ifdef CONFIG_SMP +void __init mpc85xx_smp_init(void); +#endif + +/* + * Setup the architecture + */ +static void __init p1022_ds_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; +#endif + dma_addr_t max = 0xffffffff; + + if (ppc_md.progress) + ppc_md.progress("p1022_ds_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_compatible_node(np, "pci", "fsl,p1022-pcie") { + struct resource rsrc; + struct pci_controller *hose; + + of_address_to_resource(np, 0, &rsrc); + + if ((rsrc.start & 0xfffff) == 0x8000) + fsl_add_bridge(np, 1); + else + fsl_add_bridge(np, 0); + + hose = pci_find_hose_for_OF_device(np); + max = min(max, hose->dma_window_base_cur + + hose->dma_window_size); + } +#endif + +#ifdef CONFIG_SMP + mpc85xx_smp_init(); +#endif + +#ifdef CONFIG_SWIOTLB + if (lmb_end_of_DRAM() > max) { + ppc_swiotlb_enable = 1; + set_pci_dma_ops(&swiotlb_dma_ops); + ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb; + } +#endif + + pr_info("Freescale P1022 DS reference board\n"); +} + +static struct of_device_id __initdata p1022_ds_ids[] = { + { .type = "soc", }, + { .compatible = "soc", }, + { .compatible = "simple-bus", }, + { .compatible = "gianfar", }, + {}, +}; + +static int __init p1022_ds_publish_devices(void) +{ + return of_platform_bus_probe(NULL, p1022_ds_ids, NULL); +} +machine_device_initcall(p1022_ds, p1022_ds_publish_devices); + +machine_arch_initcall(p1022_ds, swiotlb_setup_bus_notifier); + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init p1022_ds_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "fsl,p1022ds"); +} + +define_machine(p1022_ds) { + .name = "P1022 DS", + .probe = p1022_ds_probe, + .setup_arch = p1022_ds_setup_arch, + .init_IRQ = p1022_ds_pic_init, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif + .get_irq = mpic_get_irq, + .restart = fsl_rstcr_restart, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +}; diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c index 4c3cde911c7..a6b106557be 100644 --- a/arch/powerpc/platforms/85xx/smp.c +++ b/arch/powerpc/platforms/85xx/smp.c @@ -15,6 +15,7 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/of.h> +#include <linux/kexec.h> #include <asm/machdep.h> #include <asm/pgtable.h> @@ -24,6 +25,7 @@ #include <asm/dbell.h> #include <sysdev/fsl_soc.h> +#include <sysdev/mpic.h> extern void __early_start(void); @@ -105,8 +107,64 @@ smp_85xx_setup_cpu(int cpu_nr) struct smp_ops_t smp_85xx_ops = { .kick_cpu = smp_85xx_kick_cpu, +#ifdef CONFIG_KEXEC + .give_timebase = smp_generic_give_timebase, + .take_timebase = smp_generic_take_timebase, +#endif }; +#ifdef CONFIG_KEXEC +static int kexec_down_cpus = 0; + +void mpc85xx_smp_kexec_cpu_down(int crash_shutdown, int secondary) +{ + mpic_teardown_this_cpu(1); + + /* When crashing, this gets called on all CPU's we only + * take down the non-boot cpus */ + if (smp_processor_id() != boot_cpuid) + { + local_irq_disable(); + kexec_down_cpus++; + + while (1); + } +} + +static void mpc85xx_smp_kexec_down(void *arg) +{ + if (ppc_md.kexec_cpu_down) + ppc_md.kexec_cpu_down(0,1); +} + +static void mpc85xx_smp_machine_kexec(struct kimage *image) +{ + int timeout = 2000; + int i; + + set_cpus_allowed(current, cpumask_of_cpu(boot_cpuid)); + + smp_call_function(mpc85xx_smp_kexec_down, NULL, 0); + + while ( (kexec_down_cpus != (num_online_cpus() - 1)) && + ( timeout > 0 ) ) + { + timeout--; + } + + if ( !timeout ) + printk(KERN_ERR "Unable to bring down secondary cpu(s)"); + + for (i = 0; i < num_present_cpus(); i++) + { + if ( i == smp_processor_id() ) continue; + mpic_reset_core(i); + } + + default_machine_kexec(image); +} +#endif /* CONFIG_KEXEC */ + void __init mpc85xx_smp_init(void) { struct device_node *np; @@ -124,4 +182,9 @@ void __init mpc85xx_smp_init(void) BUG_ON(!smp_85xx_ops.message_pass); smp_ops = &smp_85xx_ops; + +#ifdef CONFIG_KEXEC + ppc_md.kexec_cpu_down = mpc85xx_smp_kexec_cpu_down; + ppc_md.machine_kexec = mpc85xx_smp_machine_kexec; +#endif } diff --git a/arch/powerpc/platforms/85xx/tqm85xx.c b/arch/powerpc/platforms/85xx/tqm85xx.c index 5b0ab9966e9..8f29bbce536 100644 --- a/arch/powerpc/platforms/85xx/tqm85xx.c +++ b/arch/powerpc/platforms/85xx/tqm85xx.c @@ -151,6 +151,27 @@ static void tqm85xx_show_cpuinfo(struct seq_file *m) seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f)); } +static void __init tqm85xx_ti1520_fixup(struct pci_dev *pdev) +{ + unsigned int val; + + /* Do not do the fixup on other platforms! */ + if (!machine_is(tqm85xx)) + return; + + dev_info(&pdev->dev, "Using TI 1520 fixup on TQM85xx\n"); + + /* + * Enable P2CCLK bit in system control register + * to enable CLOCK output to power chip + */ + pci_read_config_dword(pdev, 0x80, &val); + pci_write_config_dword(pdev, 0x80, val | (1 << 27)); + +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, + tqm85xx_ti1520_fixup); + static struct of_device_id __initdata of_bus_ids[] = { { .compatible = "simple-bus", }, { .compatible = "gianfar", }, diff --git a/arch/powerpc/platforms/8xx/Kconfig b/arch/powerpc/platforms/8xx/Kconfig index 48a920a98e7..dd35ce081cf 100644 --- a/arch/powerpc/platforms/8xx/Kconfig +++ b/arch/powerpc/platforms/8xx/Kconfig @@ -55,6 +55,12 @@ config PPC_MGSUVD help This enables support for the Keymile MGSUVD board. +config TQM8XX + bool "TQM8XX" + select CPM1 + help + support for the mpc8xx based boards from TQM. + endchoice menu "Freescale Ethernet driver platform-specific options" diff --git a/arch/powerpc/platforms/8xx/Makefile b/arch/powerpc/platforms/8xx/Makefile index bdbfd749601..a491fe6b94f 100644 --- a/arch/powerpc/platforms/8xx/Makefile +++ b/arch/powerpc/platforms/8xx/Makefile @@ -7,3 +7,4 @@ obj-$(CONFIG_MPC86XADS) += mpc86xads_setup.o obj-$(CONFIG_PPC_EP88XC) += ep88xc.o obj-$(CONFIG_PPC_ADDER875) += adder875.o obj-$(CONFIG_PPC_MGSUVD) += mgsuvd.o +obj-$(CONFIG_TQM8XX) += tqm8xx_setup.o diff --git a/arch/powerpc/platforms/8xx/tqm8xx_setup.c b/arch/powerpc/platforms/8xx/tqm8xx_setup.c new file mode 100644 index 00000000000..b71c650fbb1 --- /dev/null +++ b/arch/powerpc/platforms/8xx/tqm8xx_setup.c @@ -0,0 +1,156 @@ +/* + * Platform setup for the MPC8xx based boards from TQM. + * + * Heiko Schocher <hs@denx.de> + * Copyright 2010 DENX Software Engineering GmbH + * + * based on: + * Vitaly Bordug <vbordug@ru.mvista.com> + * + * Copyright 2005 MontaVista Software Inc. + * + * Heavily modified by Scott Wood <scottwood@freescale.com> + * Copyright 2007 Freescale Semiconductor, Inc. + * + * 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/init.h> +#include <linux/module.h> +#include <linux/param.h> +#include <linux/string.h> +#include <linux/ioport.h> +#include <linux/device.h> +#include <linux/delay.h> + +#include <linux/fs_enet_pd.h> +#include <linux/fs_uart_pd.h> +#include <linux/fsl_devices.h> +#include <linux/mii.h> +#include <linux/of_platform.h> + +#include <asm/delay.h> +#include <asm/io.h> +#include <asm/machdep.h> +#include <asm/page.h> +#include <asm/processor.h> +#include <asm/system.h> +#include <asm/time.h> +#include <asm/mpc8xx.h> +#include <asm/8xx_immap.h> +#include <asm/cpm1.h> +#include <asm/fs_pd.h> +#include <asm/udbg.h> + +#include "mpc8xx.h" + +struct cpm_pin { + int port, pin, flags; +}; + +static struct __initdata cpm_pin tqm8xx_pins[] = { + /* SMC1 */ + {CPM_PORTB, 24, CPM_PIN_INPUT}, /* RX */ + {CPM_PORTB, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */ + + /* SCC1 */ + {CPM_PORTA, 5, CPM_PIN_INPUT}, /* CLK1 */ + {CPM_PORTA, 7, CPM_PIN_INPUT}, /* CLK2 */ + {CPM_PORTA, 14, CPM_PIN_INPUT}, /* TX */ + {CPM_PORTA, 15, CPM_PIN_INPUT}, /* RX */ + {CPM_PORTC, 15, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TENA */ + {CPM_PORTC, 10, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, + {CPM_PORTC, 11, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, +}; + +static struct __initdata cpm_pin tqm8xx_fec_pins[] = { + /* MII */ + {CPM_PORTD, 3, CPM_PIN_OUTPUT}, + {CPM_PORTD, 4, CPM_PIN_OUTPUT}, + {CPM_PORTD, 5, CPM_PIN_OUTPUT}, + {CPM_PORTD, 6, CPM_PIN_OUTPUT}, + {CPM_PORTD, 7, CPM_PIN_OUTPUT}, + {CPM_PORTD, 8, CPM_PIN_OUTPUT}, + {CPM_PORTD, 9, CPM_PIN_OUTPUT}, + {CPM_PORTD, 10, CPM_PIN_OUTPUT}, + {CPM_PORTD, 11, CPM_PIN_OUTPUT}, + {CPM_PORTD, 12, CPM_PIN_OUTPUT}, + {CPM_PORTD, 13, CPM_PIN_OUTPUT}, + {CPM_PORTD, 14, CPM_PIN_OUTPUT}, + {CPM_PORTD, 15, CPM_PIN_OUTPUT}, +}; + +static void __init init_pins(int n, struct cpm_pin *pin) +{ + int i; + + for (i = 0; i < n; i++) { + cpm1_set_pin(pin->port, pin->pin, pin->flags); + pin++; + } +} + +static void __init init_ioports(void) +{ + struct device_node *dnode; + struct property *prop; + int len; + + init_pins(ARRAY_SIZE(tqm8xx_pins), &tqm8xx_pins[0]); + + cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX); + + dnode = of_find_node_by_name(NULL, "aliases"); + if (dnode == NULL) + return; + prop = of_find_property(dnode, "ethernet1", &len); + if (prop == NULL) + return; + + /* init FEC pins */ + init_pins(ARRAY_SIZE(tqm8xx_fec_pins), &tqm8xx_fec_pins[0]); +} + +static void __init tqm8xx_setup_arch(void) +{ + cpm_reset(); + init_ioports(); +} + +static int __init tqm8xx_probe(void) +{ + unsigned long node = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(node, "tqc,tqm8xx"); +} + +static struct of_device_id __initdata of_bus_ids[] = { + { .name = "soc", }, + { .name = "cpm", }, + { .name = "localbus", }, + { .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(tqm8xx, declare_of_platform_devices); + +define_machine(tqm8xx) { + .name = "TQM8xx", + .probe = tqm8xx_probe, + .setup_arch = tqm8xx_setup_arch, + .init_IRQ = mpc8xx_pics_init, + .get_irq = mpc8xx_get_irq, + .restart = mpc8xx_restart, + .calibrate_decr = mpc8xx_calibrate_decr, + .set_rtc_time = mpc8xx_set_rtc_time, + .get_rtc_time = mpc8xx_get_rtc_time, + .progress = udbg_progress, +}; |