512x is very similar to 83xx and most of this is patterned after code from 83xx
New platform: changed: arch/powerpc/Kconfig arch/powerpc/platforms/Kconfig arch/powerpc/platforms/Kconfig.cputype arch/powerpc/platforms/Makefile new: arch/powerpc/platforms/512x/* Signed-off-by: John Rigby <[EMAIL PROTECTED]> --- arch/powerpc/Kconfig | 2 +- arch/powerpc/platforms/512x/Kconfig | 20 ++++++ arch/powerpc/platforms/512x/Makefile | 4 + arch/powerpc/platforms/512x/mpc5121_ads.c | 90 +++++++++++++++++++++++++++++ arch/powerpc/platforms/Kconfig | 8 +++ arch/powerpc/platforms/Kconfig.cputype | 6 +- arch/powerpc/platforms/Makefile | 1 + 7 files changed, 127 insertions(+), 4 deletions(-) create mode 100644 arch/powerpc/platforms/512x/Kconfig create mode 100644 arch/powerpc/platforms/512x/Makefile create mode 100644 arch/powerpc/platforms/512x/mpc5121_ads.c diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 66a3d8c..81c3f05 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -470,7 +470,7 @@ config PCI bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \ || PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \ || PPC_PS3 - default y if !40x && !CPM2 && !8xx && !PPC_83xx \ + default y if !40x && !CPM2 && !8xx && !PPC_512x && !PPC_83xx \ && !PPC_85xx && !PPC_86xx default PCI_PERMEDIA if !4xx && !CPM2 && !8xx default PCI_QSPAN if !4xx && !CPM2 && 8xx diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig new file mode 100644 index 0000000..399d279 --- /dev/null +++ b/arch/powerpc/platforms/512x/Kconfig @@ -0,0 +1,20 @@ +menu "Platform support" + depends on PPC_512x + +choice + prompt "Machine Type" + default MPC5121_ADS + +config MPC5121_ADS + bool "Freescale MPC5121E ADS" + select DEFAULT_UIMAGE + help + This option enables support for the MPC5121E ADS board. + +endchoice + +config MPC5121 + bool + default y if MPC5121_ADS + +endmenu diff --git a/arch/powerpc/platforms/512x/Makefile b/arch/powerpc/platforms/512x/Makefile new file mode 100644 index 0000000..232c89f --- /dev/null +++ b/arch/powerpc/platforms/512x/Makefile @@ -0,0 +1,4 @@ +# +# Makefile for the Freescale PowerPC 512x linux kernel. +# +obj-$(CONFIG_MPC5121_ADS) += mpc5121_ads.o diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.c b/arch/powerpc/platforms/512x/mpc5121_ads.c new file mode 100644 index 0000000..a860bf0 --- /dev/null +++ b/arch/powerpc/platforms/512x/mpc5121_ads.c @@ -0,0 +1,90 @@ +/* + * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved. + * + * Author: John Rigby, <[EMAIL PROTECTED]>, Thur Mar 29 2007 + * + * Description: + * MPC5121 ADS board setup + * + * This 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/init.h> +#include <linux/errno.h> +#include <linux/reboot.h> +#include <linux/kdev_t.h> +#include <linux/major.h> +#include <linux/console.h> +#include <linux/delay.h> +#include <linux/seq_file.h> +#include <linux/root_dev.h> +#include <linux/time.h> +#include <linux/io.h> +#include <linux/irq.h> + +#include <asm/system.h> +#include <asm/atomic.h> +#include <asm/machdep.h> +#include <asm/ipic.h> +#include <asm/prom.h> +#include <asm/time.h> +#include <asm/of_platform.h> + +static void __init mpc5121_ads_setup_arch(void) +{ + if (ppc_md.progress) + ppc_md.progress("mpc5121_ads_setup_arch()", 0); + + printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor\n"); +} + +static void __init mpc5121_ads_declare_of_platform_devices(void) +{ + /* Find every child of the SOC node and add it to of_platform */ + if (of_platform_bus_probe(NULL, NULL, NULL)) + printk(KERN_ERR __FILE__ ": " + "Error while probing of_platform bus\n"); +} + +static void __init mpc5121_ads_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 mpc5121_ads_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "MPC5121ADS"); +} + +define_machine(mpc5121_ads) { + .name = "MPC5121 ADS", + .probe = mpc5121_ads_probe, + .setup_arch = mpc5121_ads_setup_arch, + .init = mpc5121_ads_declare_of_platform_devices, + .init_IRQ = mpc5121_ads_init_IRQ, + .get_irq = ipic_get_irq, + .calibrate_decr = generic_calibrate_decr, +}; diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index ad9b1c0..1daf47f 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -25,6 +25,13 @@ config PPC_83xx select IPIC select WANT_DEVICE_TREE +config PPC_512x + bool "Freescale 512x" + depends on 6xx + select FSL_SOC + select IPIC + select WANT_DEVICE_TREE + config PPC_86xx bool "Freescale 86xx" depends on 6xx @@ -41,6 +48,7 @@ config CLASSIC32 source "arch/powerpc/platforms/pseries/Kconfig" source "arch/powerpc/platforms/iseries/Kconfig" source "arch/powerpc/platforms/chrp/Kconfig" +source "arch/powerpc/platforms/512x/Kconfig" source "arch/powerpc/platforms/52xx/Kconfig" source "arch/powerpc/platforms/powermac/Kconfig" source "arch/powerpc/platforms/prep/Kconfig" diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index c3ee0b5..e21ffa5 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -14,7 +14,7 @@ choice There are five families of 32 bit PowerPC chips supported. The most common ones are the desktop and server CPUs (601, 603, 604, 740, 750, 74xx) CPUs from Freescale and IBM, with their - embedded 52xx/82xx/83xx/86xx counterparts. + embedded 512x/52xx/82xx/83xx/86xx counterparts. The other embeeded parts, namely 4xx, 8xx, e200 (55xx) and e500 (85xx) each form a family of their own that is not compatible with the others. @@ -22,7 +22,7 @@ choice If unsure, select 52xx/6xx/7xx/74xx/82xx/83xx/86xx. config 6xx - bool "52xx/6xx/7xx/74xx/82xx/83xx/86xx" + bool "512x/52xx/6xx/7xx/74xx/82xx/83xx/86xx" select PPC_FPU config PPC_85xx @@ -229,7 +229,7 @@ config NR_CPUS config NOT_COHERENT_CACHE bool - depends on 4xx || 8xx || E200 + depends on 4xx || 8xx || E200 || PPC_512x default y config CHECK_CACHE_COHERENCY diff --git a/arch/powerpc/platforms/Makefile b/arch/powerpc/platforms/Makefile index 6d9079d..633a599 100644 --- a/arch/powerpc/platforms/Makefile +++ b/arch/powerpc/platforms/Makefile @@ -11,6 +11,7 @@ endif obj-$(CONFIG_PPC_CHRP) += chrp/ obj-$(CONFIG_40x) += 40x/ obj-$(CONFIG_44x) += 44x/ +obj-$(CONFIG_PPC_512x) += 512x/ obj-$(CONFIG_PPC_MPC52xx) += 52xx/ obj-$(CONFIG_PPC_8xx) += 8xx/ obj-$(CONFIG_PPC_82xx) += 82xx/ -- 1.5.3.5.726.g41a7a _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev