[PATCH 1/7 v2] powerpc: Add mpc8360epb platform support
Li Yang-r58472
LeoLi at freescale.com
Fri Jun 30 20:47:14 EST 2006
Sorry, forgot the signed-off part.
Signed-off-by: Li Yang <leoli at freescale.com>
Signed-off-by: Yin Olivia <hong-hua.yin at freescale.com>
Signed-off-by: Kim Phillips <kim.phillips at freescale.com>
Best Regards,
Leo
> -----Original Message-----
> From: linuxppc-dev-bounces+leoli=freescale.com at ozlabs.org
> [mailto:linuxppc-dev-bounces+leoli=freescale.com at ozlabs.org] On Behalf Of Li
> Yang-r58472
> Sent: Friday, June 30, 2006 6:45 PM
> To: 'Paul Mackerras'
> Cc: linuxppc-dev at ozlabs.org
> Subject: [PATCH 1/7 v2] powerpc: Add mpc8360epb platform support
>
> Some minor changes from v1. The real content starts below:
>
>
> The patch adds mpc8360e MDS Processor Board support. MPC8360E is a new
> processor in the PowerQUICC II pro family, and it's the first one to use the
> new generation of communication coprocessor called QUICC ENGINE (QE in
> abbreviation).
>
> The patch needs a flat device tree to work. It means either u-boot provides
> a flat device tree blob or somehow a kernel shim passes the tree. The final
> mechanism of providing FDT is far beyond this patch.
>
> ---
> arch/powerpc/platforms/83xx/Kconfig | 13 ++
> arch/powerpc/platforms/83xx/Makefile | 1
> arch/powerpc/platforms/83xx/mpc8360e_pb.c | 209
> +++++++++++++++++++++++++++++
> arch/powerpc/platforms/83xx/mpc8360e_pb.h | 31 ++++
> 4 files changed, 254 insertions(+), 0 deletions(-)
>
> diff --git a/arch/powerpc/platforms/83xx/Kconfig
> b/arch/powerpc/platforms/83xx/Kconfig
> index 7675e67..04c4508 100644
> --- a/arch/powerpc/platforms/83xx/Kconfig
> +++ b/arch/powerpc/platforms/83xx/Kconfig
> @@ -16,6 +16,13 @@ config MPC834x_SYS
> 3 PCI slots. The PIBs PCI initialization is the bootloader's
> responsiblilty.
>
> +config MPC8360E_PB
> + bool "Freescale MPC8360E PB"
> + select DEFAULT_UIMAGE
> + select QUICC_ENGINE
> + help
> + This option enables support for the MPC836x EMDS Processor Board.
> +
> endchoice
>
> config MPC834x
> @@ -24,4 +31,10 @@ config MPC834x
> select PPC_INDIRECT_PCI
> default y if MPC834x_SYS
>
> +config MPC836x
> + bool
> + select PPC_UDBG_16550
> + select PPC_INDIRECT_PCI
> + default y if MPC8360E_PB
> +
> endmenu
> diff --git a/arch/powerpc/platforms/83xx/Makefile
> b/arch/powerpc/platforms/83xx/Makefile
> index 5c72367..0c9ea5c 100644
> --- a/arch/powerpc/platforms/83xx/Makefile
> +++ b/arch/powerpc/platforms/83xx/Makefile
> @@ -4,3 +4,4 @@ #
> obj-y := misc.o
> obj-$(CONFIG_PCI) += pci.o
> obj-$(CONFIG_MPC834x_SYS) += mpc834x_sys.o
> +obj-$(CONFIG_MPC8360E_PB) += mpc8360e_pb.o
> diff --git a/arch/powerpc/platforms/83xx/mpc8360e_pb.c
> b/arch/powerpc/platforms/83xx/mpc8360e_pb.c
> new file mode 100644
> index 0000000..971b3cf
> --- /dev/null
> +++ b/arch/powerpc/platforms/83xx/mpc8360e_pb.c
> @@ -0,0 +1,209 @@
> +/*
> + * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved.
> + *
> + * Author: Li Yang <LeoLi at freescale.com>
> + * Yin Olivia <Hong-hua.Yin at freescale.com>
> + *
> + * Description:
> + * MPC8360E MDS PB board specific routines.
> + *
> + * Changelog:
> + * Jun 21, 2006 Initial version
> + *
> + * 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/config.h>
> +#include <linux/stddef.h>
> +#include <linux/kernel.h>
> +#include <linux/init.h>
> +#include <linux/errno.h>
> +#include <linux/reboot.h>
> +#include <linux/pci.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/initrd.h>
> +
> +#include <asm/system.h>
> +#include <asm/atomic.h>
> +#include <asm/time.h>
> +#include <asm/io.h>
> +#include <asm/machdep.h>
> +#include <asm/ipic.h>
> +#include <asm/bootinfo.h>
> +#include <asm/irq.h>
> +#include <asm/prom.h>
> +#include <asm/udbg.h>
> +#include <sysdev/fsl_soc.h>
> +#ifdef CONFIG_QUICC_ENGINE
> +#include <asm/immap_qe.h>
> +#include <asm/qe_ic.h>
> +#endif /* CONFIG_QUICC_ENGINE */
> +#include "mpc83xx.h"
> +#include "mpc8360e_pb.h"
> +
> +#undef DEBUG
> +#ifdef DEBUG
> +#define DBG(fmt...) udbg_printf(fmt)
> +#else
> +#define DBG(fmt...)
> +#endif
> +
> +#ifndef CONFIG_PCI
> +unsigned long isa_io_base = 0;
> +unsigned long isa_mem_base = 0;
> +#endif
> +
> +/*
> ************************************************************************
> + *
> + * Setup the architecture
> + *
> + */
> +static void __init mpc8360_sys_setup_arch(void)
> +{
> + struct device_node *np;
> +
> +#ifdef CONFIG_QUICC_ENGINE
> + u8 *bcsr_regs;
> +#endif
> +
> + if (ppc_md.progress)
> + ppc_md.progress("mpc8360_sys_setup_arch()", 0);
> +
> + np = of_find_node_by_type(NULL, "cpu");
> + if (np != 0) {
> + unsigned int *fp =
> + (int *)get_property(np, "clock-frequency", NULL);
> + if (fp != 0)
> + loops_per_jiffy = *fp / HZ;
> + else
> + loops_per_jiffy = 50000000 / HZ;
> + of_node_put(np);
> + }
> +#ifdef CONFIG_PCI
> + for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
> + add_bridge(np);
> +
> + ppc_md.pci_swizzle = common_swizzle;
> + ppc_md.pci_exclude_device = mpc83xx_exclude_device;
> +#endif
> +
> +#ifdef CONFIG_QUICC_ENGINE
> + qe_reset();
> +
> + for (np = NULL; (np = of_find_node_by_name(np, "ucc")) != NULL;)
> + par_io_of_config(np);
> +
> + if ((np = of_find_compatible_node(NULL, "network", "ucc_geth"))
> + != NULL){
> + /* Reset the Ethernet PHY */
> + bcsr_regs = (u8 *) ioremap(BCSR_PHYS_ADDR, BCSR_SIZE);
> + bcsr_regs[9] &= ~0x20;
> + udelay(1000);
> + bcsr_regs[9] |= 0x20;
> + iounmap(bcsr_regs);
> + }
> +
> +#endif /* CONFIG_QUICC_ENGINE */
> +
> +#ifdef CONFIG_BLK_DEV_INITRD
> + if (initrd_start)
> + ROOT_DEV = Root_RAM0;
> + else
> +#endif
> +#ifdef CONFIG_ROOT_NFS
> + ROOT_DEV = Root_NFS;
> +#else
> + ROOT_DEV = Root_HDA1;
> +#endif
> +}
> +
> +void __init mpc8360_sys_init_IRQ(void)
> +{
> + u8 senses[8] = {
> + 0, /* EXT 0 */
> + IRQ_SENSE_LEVEL, /* EXT 1 */
> + IRQ_SENSE_LEVEL, /* EXT 2 */
> + 0, /* EXT 3 */
> +#ifdef CONFIG_PCI
> + IRQ_SENSE_LEVEL, /* EXT 4 */
> + IRQ_SENSE_LEVEL, /* EXT 5 */
> + IRQ_SENSE_LEVEL, /* EXT 6 */
> + IRQ_SENSE_LEVEL, /* EXT 7 */
> +#else
> + 0, /* EXT 4 */
> + 0, /* EXT 5 */
> + 0, /* EXT 6 */
> + 0, /* EXT 7 */
> +#endif
> + };
> +
> + ipic_init(get_immrbase() + 0x00700, 0, 0, senses, 8);
> +
> + /* Initialize the default interrupt mapping priorities,
> + * in case the boot rom changed something on us.
> + */
> + ipic_set_default_priority();
> +
> +#ifdef CONFIG_QUICC_ENGINE
> + qe_ic_init(get_qe_base() + 0x00000080,
> + (QE_IC_LOW_SIGNAL | QE_IC_HIGH_SIGNAL), QE_IRQ_OFFSET);
> +#endif /* CONFIG_QUICC_ENGINE */
> +}
> +
> +#if defined(CONFIG_I2C_MPC) && defined(CONFIG_SENSORS_DS1374)
> +extern ulong ds1374_get_rtc_time(void);
> +extern int ds1374_set_rtc_time(ulong);
> +
> +static int __init mpc8360_rtc_hookup(void)
> +{
> + struct timespec tv;
> +
> + ppc_md.get_rtc_time = ds1374_get_rtc_time;
> + ppc_md.set_rtc_time = ds1374_set_rtc_time;
> +
> + tv.tv_nsec = 0;
> + tv.tv_sec = (ppc_md.get_rtc_time) ();
> + do_settimeofday(&tv);
> +
> + return 0;
> +}
> +
> +late_initcall(mpc8360_rtc_hookup);
> +#endif
> +
> +/*
> + * Called very early, MMU is off, device-tree isn't unflattened
> + */
> +static int __init mpc8360_sys_probe(void)
> +{
> + char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
> + "model", NULL);
> + if (model == NULL)
> + return 0;
> + if (strcmp(model, "MPC8360EPB"))
> + return 0;
> +
> + DBG("MPC8360EMDS-PB found\n");
> +
> + return 1;
> +}
> +
> +define_machine(mpc8360_sys) {
> + .name = "MPC8360E PB",
> + .probe = mpc8360_sys_probe,
> + .setup_arch = mpc8360_sys_setup_arch,
> + .init_IRQ = mpc8360_sys_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/83xx/mpc8360e_pb.h
> b/arch/powerpc/platforms/83xx/mpc8360e_pb.h
> new file mode 100644
> index 0000000..84282e5
> --- /dev/null
> +++ b/arch/powerpc/platforms/83xx/mpc8360e_pb.h
> @@ -0,0 +1,31 @@
> +/*
> + * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved.
> + *
> + * Author: Li Yang <LeoLi at freescale.com>
> + * Yin Olivia <Hong-hua.Yin at freescale.com>
> + *
> + * Description:
> + * MPC8360E MDS PB board specific header.
> + *
> + * Changelog:
> + * Jun 21, 2006 Initial version
> + *
> + * 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.
> + *
> + */
> +
> +#ifndef __MACH_MPC83XX_SYS_H__
> +#define __MACH_MPC83XX_SYS_H__
> +
> +#define BCSR_PHYS_ADDR ((uint)0xf8000000)
> +#define BCSR_SIZE ((uint)(32 * 1024))
> +
> +#ifdef CONFIG_QUICC_ENGINE
> +extern void qe_reset(void);
> +extern int par_io_of_config(struct device_node *np);
> +#endif /* CONFIG_QUICC_ENGINE */
> +
> +#endif /* __MACH_MPC83XX_SYS_H__ */
>
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