From bc141deafb81f2efa453081e9d52d602a8cec766 Mon Sep 17 00:00:00 2001 From: Li Yang Date: Tue, 3 Oct 2006 23:17:51 -0500 Subject: [POWERPC] Add MPC8360EMDS board support The patch adds MPC8360EMDS board support. Signed-off-by: Li Yang Signed-off-by: Yin Olivia Signed-off-by: Kim Phillips Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/83xx/mpc8360e_pb.c | 219 ++++++++++++++++++++++++++++++ 1 file changed, 219 insertions(+) create mode 100644 arch/powerpc/platforms/83xx/mpc8360e_pb.c (limited to 'arch/powerpc/platforms/83xx/mpc8360e_pb.c') diff --git a/arch/powerpc/platforms/83xx/mpc8360e_pb.c b/arch/powerpc/platforms/83xx/mpc8360e_pb.c new file mode 100644 index 000000000000..c0191900fc25 --- /dev/null +++ b/arch/powerpc/platforms/83xx/mpc8360e_pb.c @@ -0,0 +1,219 @@ +/* + * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved. + * + * Author: Li Yang + * Yin Olivia + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "mpc83xx.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 + +static u8 *bcsr_regs = NULL; + +u8 *get_bcsr(void) +{ + return bcsr_regs; +} + +/* ************************************************************************ + * + * Setup the architecture + * + */ +static void __init mpc8360_sys_setup_arch(void) +{ + struct device_node *np; + + if (ppc_md.progress) + ppc_md.progress("mpc8360_sys_setup_arch()", 0); + + np = of_find_node_by_type(NULL, "cpu"); + if (np != 0) { + const unsigned int *fp = + get_property(np, "clock-frequency", NULL); + if (fp != 0) + loops_per_jiffy = *fp / HZ; + else + loops_per_jiffy = 50000000 / HZ; + of_node_put(np); + } + + /* Map BCSR area */ + np = of_find_node_by_name(NULL, "bcsr"); + if (np != 0) { + struct resource res; + + of_address_to_resource(np, 0, &res); + bcsr_regs = ioremap(res.start, res.end - res.start +1); + 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(); + + if ((np = of_find_node_by_name(np, "par_io")) != NULL) { + par_io_init(np); + of_node_put(np); + + 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[9] &= ~0x20; + udelay(1000); + bcsr_regs[9] |= 0x20; + iounmap(bcsr_regs); + of_node_put(np); + } + +#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) +{ + + 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(); + of_node_put(np); + +#ifdef CONFIG_QUICC_ENGINE + np = of_find_node_by_type(NULL, "qeic"); + if (!np) + return; + + qe_ic_init(np, 0); + of_node_put(np); +#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, +}; -- cgit v1.2.3