diff options
Diffstat (limited to 'arch/ppc/platforms/lite5200.c')
| -rw-r--r-- | arch/ppc/platforms/lite5200.c | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/arch/ppc/platforms/lite5200.c b/arch/ppc/platforms/lite5200.c deleted file mode 100644 index b9e9db63f65..00000000000 --- a/arch/ppc/platforms/lite5200.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - * Platform support file for the Freescale LITE5200 based on MPC52xx. - * A maximum of this file should be moved to syslib/mpc52xx_????? - * so that new platform based on MPC52xx need a minimal platform file - * ( avoid code duplication ) - * - * - * Maintainer : Sylvain Munaut <tnt@246tNt.com> - * - * Based on the 2.4 code written by Kent Borg, - * Dale Farnsworth <dale.farnsworth@mvista.com> and - * Wolfgang Denk <wd@denx.de> - * - * Copyright 2004-2005 Sylvain Munaut <tnt@246tNt.com> - * Copyright 2003 Motorola Inc. - * Copyright 2003 MontaVista Software Inc. - * Copyright 2003 DENX Software Engineering (wd@denx.de) - * - * 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/initrd.h> -#include <linux/seq_file.h> -#include <linux/kdev_t.h> -#include <linux/root_dev.h> -#include <linux/console.h> -#include <linux/module.h> - -#include <asm/bootinfo.h> -#include <asm/io.h> -#include <asm/mpc52xx.h> -#include <asm/ppc_sys.h> -#include <asm/machdep.h> -#include <asm/pci-bridge.h> - - -extern int powersave_nap; - -/* Board data given by U-Boot */ -bd_t __res; -EXPORT_SYMBOL(__res); /* For modules */ - - -/* ======================================================================== */ -/* Platform specific code */ -/* ======================================================================== */ - -/* Supported PSC function in "preference" order */ -struct mpc52xx_psc_func mpc52xx_psc_functions[] = { - { .id = 0, - .func = "uart", - }, - { .id = -1, /* End entry */ - .func = NULL, - } - }; - - -static int -lite5200_show_cpuinfo(struct seq_file *m) -{ - seq_printf(m, "machine\t\t: Freescale LITE5200\n"); - return 0; -} - -#ifdef CONFIG_PCI -#ifdef CONFIG_LITE5200B -static int -lite5200_map_irq(struct pci_dev *dev, unsigned char idsel, - unsigned char pin) -{ - static char pci_irq_table[][4] = - /* - * PCI IDSEL/INTPIN->INTLINE - * A B C D - */ - { - {MPC52xx_IRQ0, MPC52xx_IRQ1, MPC52xx_IRQ2, MPC52xx_IRQ3}, - {MPC52xx_IRQ1, MPC52xx_IRQ2, MPC52xx_IRQ3, MPC52xx_IRQ0}, - }; - - const long min_idsel = 24, max_idsel = 25, irqs_per_slot = 4; - return PCI_IRQ_TABLE_LOOKUP; -} -#else /* Original Lite */ -static int -lite5200_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) -{ - return (pin == 1) && (idsel==24) ? MPC52xx_IRQ0 : -1; -} -#endif -#endif - -static void __init -lite5200_setup_cpu(void) -{ - struct mpc52xx_gpio __iomem *gpio; - struct mpc52xx_intr __iomem *intr; - - u32 port_config; - u32 intr_ctrl; - - /* Map zones */ - gpio = ioremap(MPC52xx_PA(MPC52xx_GPIO_OFFSET), MPC52xx_GPIO_SIZE); - intr = ioremap(MPC52xx_PA(MPC52xx_INTR_OFFSET), MPC52xx_INTR_SIZE); - - if (!gpio || !intr) { - printk(KERN_ERR __FILE__ ": " - "Error while mapping GPIO/INTR during " - "lite5200_setup_cpu\n"); - goto unmap_regs; - } - - /* Get port mux config */ - port_config = in_be32(&gpio->port_config); - - /* 48Mhz internal, pin is GPIO */ - port_config &= ~0x00800000; - - /* USB port */ - port_config &= ~0x00007000; /* Differential mode - USB1 only */ - port_config |= 0x00001000; - - /* ATA CS is on csb_4/5 */ - port_config &= ~0x03000000; - port_config |= 0x01000000; - - /* Commit port config */ - out_be32(&gpio->port_config, port_config); - - /* IRQ[0-3] setup */ - intr_ctrl = in_be32(&intr->ctrl); - intr_ctrl &= ~0x00ff0000; -#ifdef CONFIG_LITE5200B - /* IRQ[0-3] Level Active Low */ - intr_ctrl |= 0x00ff0000; -#else - /* IRQ0 Level Active Low - * IRQ[1-3] Level Active High */ - intr_ctrl |= 0x00c00000; -#endif - out_be32(&intr->ctrl, intr_ctrl); - - /* Unmap reg zone */ -unmap_regs: - if (gpio) iounmap(gpio); - if (intr) iounmap(intr); -} - -static void __init -lite5200_setup_arch(void) -{ - /* CPU & Port mux setup */ - mpc52xx_setup_cpu(); /* Generic */ - lite5200_setup_cpu(); /* Platform specific */ - -#ifdef CONFIG_PCI - /* PCI Bridge setup */ - mpc52xx_find_bridges(); -#endif -} - -void __init -platform_init(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7) -{ - /* Generic MPC52xx platform initialization */ - /* TODO Create one and move a max of stuff in it. - Put this init in the syslib */ - - struct bi_record *bootinfo = find_bootinfo(); - - if (bootinfo) - parse_bootinfo(bootinfo); - else { - /* Load the bd_t board info structure */ - if (r3) - memcpy((void*)&__res,(void*)(r3+KERNELBASE), - sizeof(bd_t)); - -#ifdef CONFIG_BLK_DEV_INITRD - /* Load the initrd */ - if (r4) { - initrd_start = r4 + KERNELBASE; - initrd_end = r5 + KERNELBASE; - } -#endif - - /* Load the command line */ - if (r6) { - *(char *)(r7+KERNELBASE) = 0; - strcpy(cmd_line, (char *)(r6+KERNELBASE)); - } - } - - /* PPC Sys identification */ - identify_ppc_sys_by_id(mfspr(SPRN_SVR)); - - /* BAT setup */ - mpc52xx_set_bat(); - - /* No ISA bus by default */ -#ifdef CONFIG_PCI - isa_io_base = 0; - isa_mem_base = 0; -#endif - - /* Powersave */ - /* This is provided as an example on how to do it. But you - need to be aware that NAP disable bus snoop and that may - be required for some devices to work properly, like USB ... */ - /* powersave_nap = 1; */ - - - /* Setup the ppc_md struct */ - ppc_md.setup_arch = lite5200_setup_arch; - ppc_md.show_cpuinfo = lite5200_show_cpuinfo; - ppc_md.show_percpuinfo = NULL; - ppc_md.init_IRQ = mpc52xx_init_irq; - ppc_md.get_irq = mpc52xx_get_irq; - -#ifdef CONFIG_PCI - ppc_md.pci_map_irq = lite5200_map_irq; -#endif - - ppc_md.find_end_of_memory = mpc52xx_find_end_of_memory; - ppc_md.setup_io_mappings = mpc52xx_map_io; - - ppc_md.restart = mpc52xx_restart; - ppc_md.power_off = mpc52xx_power_off; - ppc_md.halt = mpc52xx_halt; - - /* No time keeper on the LITE5200 */ - ppc_md.time_init = NULL; - ppc_md.get_rtc_time = NULL; - ppc_md.set_rtc_time = NULL; - - ppc_md.calibrate_decr = mpc52xx_calibrate_decr; -#ifdef CONFIG_SERIAL_TEXT_DEBUG - ppc_md.progress = mpc52xx_progress; -#endif -} - |