diff options
Diffstat (limited to 'arch/powerpc/platforms/85xx')
| -rw-r--r-- | arch/powerpc/platforms/85xx/Kconfig | 10 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/c293pcie.c | 75 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/corenet_ds.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx_rdb.c | 22 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/p1023_rds.c | 24 | ||||
| -rw-r--r-- | arch/powerpc/platforms/85xx/smp.c | 26 |
7 files changed, 155 insertions, 9 deletions
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index efdd37c775ad..de2eb9320993 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -32,6 +32,12 @@ config BSC9131_RDB StarCore SC3850 DSP Manufacturer : Freescale Semiconductor, Inc +config C293_PCIE + bool "Freescale C293PCIE" + select DEFAULT_UIMAGE + help + This option enables support for the C293PCIE board + config MPC8540_ADS bool "Freescale MPC8540 ADS" select DEFAULT_UIMAGE @@ -112,10 +118,10 @@ config P1022_RDK reference board. config P1023_RDS - bool "Freescale P1023 RDS" + bool "Freescale P1023 RDS/RDB" select DEFAULT_UIMAGE help - This option enables support for the P1023 RDS board + This option enables support for the P1023 RDS and RDB boards config SOCRATES bool "Socrates" diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile index 2eab37ea4a9d..53c9f75a6907 100644 --- a/arch/powerpc/platforms/85xx/Makefile +++ b/arch/powerpc/platforms/85xx/Makefile @@ -6,6 +6,7 @@ obj-$(CONFIG_SMP) += smp.o obj-y += common.o obj-$(CONFIG_BSC9131_RDB) += bsc913x_rdb.o +obj-$(CONFIG_C293_PCIE) += c293pcie.o obj-$(CONFIG_MPC8540_ADS) += mpc85xx_ads.o obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o diff --git a/arch/powerpc/platforms/85xx/c293pcie.c b/arch/powerpc/platforms/85xx/c293pcie.c new file mode 100644 index 000000000000..6208e49142bf --- /dev/null +++ b/arch/powerpc/platforms/85xx/c293pcie.c @@ -0,0 +1,75 @@ +/* + * C293PCIE Board Setup + * + * Copyright 2013 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 as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/of_platform.h> + +#include <asm/machdep.h> +#include <asm/udbg.h> +#include <asm/mpic.h> + +#include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> + +#include "mpc85xx.h" + +void __init c293_pcie_pic_init(void) +{ + struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN | + MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC "); + + BUG_ON(mpic == NULL); + + mpic_init(mpic); +} + + +/* + * Setup the architecture + */ +static void __init c293_pcie_setup_arch(void) +{ + if (ppc_md.progress) + ppc_md.progress("c293_pcie_setup_arch()", 0); + + fsl_pci_assign_primary(); + + printk(KERN_INFO "C293 PCIE board from Freescale Semiconductor\n"); +} + +machine_arch_initcall(c293_pcie, mpc85xx_common_publish_devices); + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init c293_pcie_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (of_flat_dt_is_compatible(root, "fsl,C293PCIE")) + return 1; + return 0; +} + +define_machine(c293_pcie) { + .name = "C293 PCIE", + .probe = c293_pcie_probe, + .setup_arch = c293_pcie_setup_arch, + .init_IRQ = c293_pcie_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/corenet_ds.c b/arch/powerpc/platforms/85xx/corenet_ds.c index c59c617eee93..aa3690bae415 100644 --- a/arch/powerpc/platforms/85xx/corenet_ds.c +++ b/arch/powerpc/platforms/85xx/corenet_ds.c @@ -53,12 +53,6 @@ void __init corenet_ds_setup_arch(void) { mpc85xx_smp_init(); -#if defined(CONFIG_PCI) && defined(CONFIG_PPC64) - pci_devs_phb_init(); -#endif - - fsl_pci_assign_primary(); - swiotlb_detect_4g(); pr_info("%s board from Freescale Semiconductor\n", ppc_md.name); diff --git a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c index ede8771d6f02..53b6fb0a3d56 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c @@ -160,6 +160,7 @@ machine_arch_initcall(p2020_rdb_pc, mpc85xx_common_publish_devices); machine_arch_initcall(p1020_mbg_pc, mpc85xx_common_publish_devices); machine_arch_initcall(p1020_rdb, mpc85xx_common_publish_devices); machine_arch_initcall(p1020_rdb_pc, mpc85xx_common_publish_devices); +machine_arch_initcall(p1020_rdb_pd, mpc85xx_common_publish_devices); machine_arch_initcall(p1020_utm_pc, mpc85xx_common_publish_devices); machine_arch_initcall(p1021_rdb_pc, mpc85xx_common_publish_devices); machine_arch_initcall(p1025_rdb, mpc85xx_common_publish_devices); @@ -193,6 +194,13 @@ static int __init p1020_rdb_pc_probe(void) return of_flat_dt_is_compatible(root, "fsl,P1020RDB-PC"); } +static int __init p1020_rdb_pd_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "fsl,P1020RDB-PD"); +} + static int __init p1021_rdb_pc_probe(void) { unsigned long root = of_get_flat_dt_root(); @@ -351,6 +359,20 @@ define_machine(p1020_rdb_pc) { .progress = udbg_progress, }; +define_machine(p1020_rdb_pd) { + .name = "P1020RDB-PD", + .probe = p1020_rdb_pd_probe, + .setup_arch = mpc85xx_rdb_setup_arch, + .init_IRQ = mpc85xx_rdb_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, +}; + define_machine(p1024_rdb) { .name = "P1024 RDB", .probe = p1024_rdb_probe, diff --git a/arch/powerpc/platforms/85xx/p1023_rds.c b/arch/powerpc/platforms/85xx/p1023_rds.c index 9cc60a738834..2ae9d490c3d9 100644 --- a/arch/powerpc/platforms/85xx/p1023_rds.c +++ b/arch/powerpc/platforms/85xx/p1023_rds.c @@ -1,5 +1,5 @@ /* - * Copyright 2010-2011 Freescale Semiconductor, Inc. + * Copyright 2010-2011, 2013 Freescale Semiconductor, Inc. * * Author: Roy Zang <tie-fei.zang@freescale.com> * @@ -86,6 +86,7 @@ static void __init mpc85xx_rds_setup_arch(void) } machine_arch_initcall(p1023_rds, mpc85xx_common_publish_devices); +machine_arch_initcall(p1023_rdb, mpc85xx_common_publish_devices); static void __init mpc85xx_rds_pic_init(void) { @@ -106,6 +107,14 @@ static int __init p1023_rds_probe(void) } +static int __init p1023_rdb_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "fsl,P1023RDB"); + +} + define_machine(p1023_rds) { .name = "P1023 RDS", .probe = p1023_rds_probe, @@ -120,3 +129,16 @@ define_machine(p1023_rds) { #endif }; +define_machine(p1023_rdb) { + .name = "P1023 RDB", + .probe = p1023_rdb_probe, + .setup_arch = mpc85xx_rds_setup_arch, + .init_IRQ = mpc85xx_rds_pic_init, + .get_irq = mpic_get_irq, + .restart = fsl_rstcr_restart, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif +}; diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c index 5ced4f5bb2b2..281b7f01df63 100644 --- a/arch/powerpc/platforms/85xx/smp.c +++ b/arch/powerpc/platforms/85xx/smp.c @@ -69,7 +69,32 @@ static void mpc85xx_give_timebase(void) tb_req = 0; mpc85xx_timebase_freeze(1); +#ifdef CONFIG_PPC64 + /* + * e5500/e6500 have a workaround for erratum A-006958 in place + * that will reread the timebase until TBL is non-zero. + * That would be a bad thing when the timebase is frozen. + * + * Thus, we read it manually, and instead of checking that + * TBL is non-zero, we ensure that TB does not change. We don't + * do that for the main mftb implementation, because it requires + * a scratch register + */ + { + u64 prev; + + asm volatile("mfspr %0, %1" : "=r" (timebase) : + "i" (SPRN_TBRL)); + + do { + prev = timebase; + asm volatile("mfspr %0, %1" : "=r" (timebase) : + "i" (SPRN_TBRL)); + } while (prev != timebase); + } +#else timebase = get_tb(); +#endif mb(); tb_valid = 1; @@ -255,6 +280,7 @@ out: struct smp_ops_t smp_85xx_ops = { .kick_cpu = smp_85xx_kick_cpu, + .cpu_bootable = smp_generic_cpu_bootable, #ifdef CONFIG_HOTPLUG_CPU .cpu_disable = generic_cpu_disable, .cpu_die = generic_cpu_die, |