diff options
Diffstat (limited to 'arch/mips/netlogic/xlp')
| -rw-r--r-- | arch/mips/netlogic/xlp/Makefile | 3 | ||||
| -rw-r--r-- | arch/mips/netlogic/xlp/of.c | 34 | ||||
| -rw-r--r-- | arch/mips/netlogic/xlp/platform.c | 108 | ||||
| -rw-r--r-- | arch/mips/netlogic/xlp/setup.c | 32 |
4 files changed, 32 insertions, 145 deletions
diff --git a/arch/mips/netlogic/xlp/Makefile b/arch/mips/netlogic/xlp/Makefile index 6b4b972218f..a84d6ed3746 100644 --- a/arch/mips/netlogic/xlp/Makefile +++ b/arch/mips/netlogic/xlp/Makefile @@ -1,4 +1,3 @@ -obj-y += setup.o platform.o nlm_hal.o -obj-$(CONFIG_OF) += of.o +obj-y += setup.o nlm_hal.o obj-$(CONFIG_SMP) += wakeup.o obj-$(CONFIG_USB) += usb-init.o diff --git a/arch/mips/netlogic/xlp/of.c b/arch/mips/netlogic/xlp/of.c deleted file mode 100644 index 8e3921c0c20..00000000000 --- a/arch/mips/netlogic/xlp/of.c +++ /dev/null @@ -1,34 +0,0 @@ -#include <linux/bootmem.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/of_fdt.h> -#include <asm/byteorder.h> - -static int __init reserve_mem_mach(unsigned long addr, unsigned long size) -{ - return reserve_bootmem(addr, size, BOOTMEM_DEFAULT); -} - -void __init free_mem_mach(unsigned long addr, unsigned long size) -{ - return free_bootmem(addr, size); -} - -void __init device_tree_init(void) -{ - unsigned long base, size; - - if (!initial_boot_params) - return; - - base = virt_to_phys((void *)initial_boot_params); - size = be32_to_cpu(initial_boot_params->totalsize); - - /* Before we do anything, lets reserve the dt blob */ - reserve_mem_mach(base, size); - - unflatten_device_tree(); - - /* free the space reserved for the dt blob */ - free_mem_mach(base, size); -} diff --git a/arch/mips/netlogic/xlp/platform.c b/arch/mips/netlogic/xlp/platform.c deleted file mode 100644 index 2c510d58544..00000000000 --- a/arch/mips/netlogic/xlp/platform.c +++ /dev/null @@ -1,108 +0,0 @@ -/* - * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights - * reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the NetLogic - * license below: - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN - * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <linux/dma-mapping.h> -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/serial.h> -#include <linux/serial_8250.h> -#include <linux/pci.h> -#include <linux/serial_reg.h> -#include <linux/spinlock.h> - -#include <asm/time.h> -#include <asm/addrspace.h> -#include <asm/netlogic/haldefs.h> -#include <asm/netlogic/xlp-hal/iomap.h> -#include <asm/netlogic/xlp-hal/xlp.h> -#include <asm/netlogic/xlp-hal/pic.h> -#include <asm/netlogic/xlp-hal/uart.h> - -static unsigned int nlm_xlp_uart_in(struct uart_port *p, int offset) -{ - return nlm_read_reg(p->iobase, offset); -} - -static void nlm_xlp_uart_out(struct uart_port *p, int offset, int value) -{ - nlm_write_reg(p->iobase, offset, value); -} - -#define PORT(_irq) \ - { \ - .irq = _irq, \ - .regshift = 2, \ - .iotype = UPIO_MEM32, \ - .flags = (UPF_SKIP_TEST|UPF_FIXED_TYPE|\ - UPF_BOOT_AUTOCONF), \ - .uartclk = XLP_IO_CLK, \ - .type = PORT_16550A, \ - .serial_in = nlm_xlp_uart_in, \ - .serial_out = nlm_xlp_uart_out, \ - } - -static struct plat_serial8250_port xlp_uart_data[] = { - PORT(PIC_UART_0_IRQ), - PORT(PIC_UART_1_IRQ), - {}, -}; - -static struct platform_device uart_device = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = xlp_uart_data, - }, -}; - -static int __init nlm_platform_uart_init(void) -{ - unsigned long mmio; - - mmio = (unsigned long)nlm_get_uart_regbase(0, 0); - xlp_uart_data[0].iobase = mmio; - xlp_uart_data[0].membase = (void __iomem *)mmio; - xlp_uart_data[0].mapbase = mmio; - - mmio = (unsigned long)nlm_get_uart_regbase(0, 1); - xlp_uart_data[1].iobase = mmio; - xlp_uart_data[1].membase = (void __iomem *)mmio; - xlp_uart_data[1].mapbase = mmio; - - return platform_device_register(&uart_device); -} - -arch_initcall(nlm_platform_uart_init); diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c index 3dec9f28b65..d8997098def 100644 --- a/arch/mips/netlogic/xlp/setup.c +++ b/arch/mips/netlogic/xlp/setup.c @@ -35,6 +35,7 @@ #include <linux/kernel.h> #include <linux/serial_8250.h> #include <linux/pm.h> +#include <linux/bootmem.h> #include <asm/reboot.h> #include <asm/time.h> @@ -56,6 +57,7 @@ unsigned long nlm_common_ebase = 0x0; /* default to uniprocessor */ uint32_t nlm_coremask = 1, nlm_cpumask = 1; int nlm_threads_per_core = 1; +extern u32 __dtb_start[]; static void nlm_linux_exit(void) { @@ -96,9 +98,18 @@ void __init prom_init(void) { void *fdtp; - fdtp = (void *)(long)fw_arg0; xlp_mmu_init(); nlm_hal_init(); + + /* + * If no FDT pointer is passed in, use the built-in FDT. + * device_tree_init() does not handle CKSEG0 pointers in + * 64-bit, so convert pointer. + */ + fdtp = (void *)(long)fw_arg0; + if (!fdtp) + fdtp = __dtb_start; + fdtp = phys_to_virt(__pa(fdtp)); early_init_devtree(fdtp); nlm_common_ebase = read_c0_ebase() & (~((1 << 12) - 1)); @@ -112,6 +123,25 @@ void __init prom_init(void) #endif } +void __init device_tree_init(void) +{ + unsigned long base, size; + + if (!initial_boot_params) + return; + + base = virt_to_phys((void *)initial_boot_params); + size = be32_to_cpu(initial_boot_params->totalsize); + + /* Before we do anything, lets reserve the dt blob */ + reserve_bootmem(base, size, BOOTMEM_DEFAULT); + + unflatten_device_tree(); + + /* free the space reserved for the dt blob */ + free_bootmem(base, size); +} + static struct of_device_id __initdata xlp_ids[] = { { .compatible = "simple-bus", }, {}, |