X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fcobalt%2Fsetup.c;h=4f9ea121002389cdbd5ce874017efbc0e40d12af;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=6b4737e425ed78bbdd04b9fe1d4107bfc787bcb8;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c index 6b4737e42..4f9ea1210 100644 --- a/arch/mips/cobalt/setup.c +++ b/arch/mips/cobalt/setup.c @@ -5,7 +5,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1996, 1997, 2004 by Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 1996, 1997, 2004, 05 by Ralf Baechle (ralf@linux-mips.org) * Copyright (C) 2001, 2002, 2003 by Liam Davies (ldavies@agile.tv) * */ @@ -13,6 +13,9 @@ #include #include #include +#include +#include +#include #include #include @@ -21,54 +24,55 @@ #include #include #include +#include -#include +#include extern void cobalt_machine_restart(char *command); extern void cobalt_machine_halt(void); extern void cobalt_machine_power_off(void); +extern void cobalt_early_console(void); int cobalt_board_id; -static char my_cmdline[CL_SIZE] = { - "console=ttyS0,115200 " -#ifdef CONFIG_IP_PNP - "ip=on " -#endif -#ifdef CONFIG_ROOT_NFS - "root=/dev/nfs " -#else - "root=/dev/hda1 " -#endif - }; - const char *get_system_type(void) { + switch (cobalt_board_id) { + case COBALT_BRD_ID_QUBE1: + return "Cobalt Qube"; + case COBALT_BRD_ID_RAQ1: + return "Cobalt RaQ"; + case COBALT_BRD_ID_QUBE2: + return "Cobalt Qube2"; + case COBALT_BRD_ID_RAQ2: + return "Cobalt RaQ2"; + } return "MIPS Cobalt"; } static void __init cobalt_timer_setup(struct irqaction *irq) { - /* Load timer value for 150 Hz */ - GALILEO_OUTL(500000, GT_TC0_OFS); + /* Load timer value for 1KHz (TCLK is 50MHz) */ + GALILEO_OUTL(50*1000*1000 / 1000, GT_TC0_OFS); + + /* Enable timer */ + GALILEO_OUTL(GALILEO_ENTC0 | GALILEO_SELTC0, GT_TC_CONTROL_OFS); - /* Register our timer interrupt */ - setup_irq(COBALT_TIMER_IRQ, irq); + /* Register interrupt */ + setup_irq(COBALT_GALILEO_IRQ, irq); - /* Enable timer ints */ - GALILEO_OUTL((GALILEO_ENTC0 | GALILEO_SELTC0), GT_TC_CONTROL_OFS); - /* Unmask timer int */ - GALILEO_OUTL(0x100, GT_INTRMASK_OFS); + /* Enable interrupt */ + GALILEO_OUTL(GALILEO_INTR_T0EXP | GALILEO_INL(GT_INTRMASK_OFS), GT_INTRMASK_OFS); } extern struct pci_ops gt64111_pci_ops; static struct resource cobalt_mem_resource = { - "GT64111 PCI MEM", GT64111_IO_BASE, 0xffffffffUL, IORESOURCE_MEM + "PCI memory", GT64111_MEM_BASE, GT64111_MEM_END, IORESOURCE_MEM }; static struct resource cobalt_io_resource = { - "GT64111 IO MEM", 0x00001000UL, 0x0fffffffUL, IORESOURCE_IO + "PCI I/O", 0x1000, 0xffff, IORESOURCE_IO }; static struct resource cobalt_io_resources[] = { @@ -86,29 +90,25 @@ static struct pci_controller cobalt_pci_controller = { .mem_resource = &cobalt_mem_resource, .mem_offset = 0, .io_resource = &cobalt_io_resource, - .io_offset = 0x00001000UL - GT64111_IO_BASE + .io_offset = 0 - GT64111_IO_BASE }; -static void __init cobalt_setup(void) +void __init plat_setup(void) { + static struct uart_port uart; unsigned int devfn = PCI_DEVFN(COBALT_PCICONF_VIA, 0); int i; _machine_restart = cobalt_machine_restart; _machine_halt = cobalt_machine_halt; - _machine_power_off = cobalt_machine_power_off; + pm_power_off = cobalt_machine_power_off; board_timer_setup = cobalt_timer_setup; - set_io_port_base(KSEG1ADDR(GT64111_IO_BASE)); + set_io_port_base(CKSEG1ADDR(GT64111_IO_BASE)); - /* - * This is a prom style console. We just poke at the - * UART to make it talk. - * Only use this console if you really screw up and can't - * get to the stage of setting up a real serial console. - */ - /*ns16550_setup_console();*/ + /* I/O port resource must include UART and LCD/buttons */ + ioport_resource.end = 0x0fffffff; /* request I/O space for devices used on all i[345]86 PCs */ for (i = 0; i < COBALT_IO_RESOURCES; i++) @@ -120,27 +120,65 @@ static void __init cobalt_setup(void) cobalt_board_id >>= ((VIA_COBALT_BRD_ID_REG & 3) * 8); cobalt_board_id = VIA_COBALT_BRD_REG_to_ID(cobalt_board_id); + printk("Cobalt board ID: %d\n", cobalt_board_id); + #ifdef CONFIG_PCI register_pci_controller(&cobalt_pci_controller); #endif -} -early_initcall(cobalt_setup); +#ifdef CONFIG_SERIAL_8250 + if (cobalt_board_id > COBALT_BRD_ID_RAQ1) { + +#ifdef CONFIG_EARLY_PRINTK + cobalt_early_console(); +#endif + + uart.line = 0; + uart.type = PORT_UNKNOWN; + uart.uartclk = 18432000; + uart.irq = COBALT_SERIAL_IRQ; + uart.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; + uart.iobase = 0xc800000; + uart.iotype = UPIO_PORT; + + early_serial_setup(&uart); + } +#endif +} /* * Prom init. We read our one and only communication with the firmware. - * Grab the amount of installed memory + * Grab the amount of installed memory. + * Better boot loaders (CoLo) pass a command line too :-) */ void __init prom_init(void) { - int argc = fw_arg0; - - strcpy(arcs_cmdline, my_cmdline); + int narg, indx, posn, nchr; + unsigned long memsz; + char **argv; mips_machgroup = MACH_GROUP_COBALT; - add_memory_region(0x0, argc & 0x7fffffff, BOOT_MEM_RAM); + memsz = fw_arg0 & 0x7fff0000; + narg = fw_arg0 & 0x0000ffff; + + if (narg) { + arcs_cmdline[0] = '\0'; + argv = (char **) fw_arg1; + posn = 0; + for (indx = 1; indx < narg; ++indx) { + nchr = strlen(argv[indx]); + if (posn + 1 + nchr + 1 > sizeof(arcs_cmdline)) + break; + if (posn) + arcs_cmdline[posn++] = ' '; + strcpy(arcs_cmdline + posn, argv[indx]); + posn += nchr; + } + } + + add_memory_region(0x0, memsz, BOOT_MEM_RAM); } unsigned long __init prom_free_prom_memory(void)