diff options
Diffstat (limited to 'arch/ppc/platforms/4xx/xilinx_ml300.c')
| -rw-r--r-- | arch/ppc/platforms/4xx/xilinx_ml300.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/arch/ppc/platforms/4xx/xilinx_ml300.c b/arch/ppc/platforms/4xx/xilinx_ml300.c deleted file mode 100644 index fb5f0b5e13d..00000000000 --- a/arch/ppc/platforms/4xx/xilinx_ml300.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * Xilinx ML300 evaluation board initialization - * - * Author: MontaVista Software, Inc. - * source@mvista.com - * - * 2002-2004 (c) MontaVista Software, Inc. 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/init.h> -#include <linux/irq.h> -#include <linux/tty.h> -#include <linux/serial.h> -#include <linux/serial_core.h> -#include <linux/serial_8250.h> -#include <linux/serialP.h> -#include <asm/io.h> -#include <asm/machdep.h> -#include <asm/ppc_sys.h> - -#include <syslib/gen550.h> -#include <platforms/4xx/xparameters/xparameters.h> - -/* - * As an overview of how the following functions (platform_init, - * ml300_map_io, ml300_setup_arch and ml300_init_IRQ) fit into the - * kernel startup procedure, here's a call tree: - * - * start_here arch/ppc/kernel/head_4xx.S - * early_init arch/ppc/kernel/setup.c - * machine_init arch/ppc/kernel/setup.c - * platform_init this file - * ppc4xx_init arch/ppc/syslib/ppc4xx_setup.c - * parse_bootinfo - * find_bootinfo - * "setup some default ppc_md pointers" - * MMU_init arch/ppc/mm/init.c - * *ppc_md.setup_io_mappings == ml300_map_io this file - * ppc4xx_map_io arch/ppc/syslib/ppc4xx_setup.c - * start_kernel init/main.c - * setup_arch arch/ppc/kernel/setup.c - * #if defined(CONFIG_KGDB) - * *ppc_md.kgdb_map_scc() == gen550_kgdb_map_scc - * #endif - * *ppc_md.setup_arch == ml300_setup_arch this file - * ppc4xx_setup_arch arch/ppc/syslib/ppc4xx_setup.c - * ppc4xx_find_bridges arch/ppc/syslib/ppc405_pci.c - * init_IRQ arch/ppc/kernel/irq.c - * *ppc_md.init_IRQ == ml300_init_IRQ this file - * ppc4xx_init_IRQ arch/ppc/syslib/ppc4xx_setup.c - * ppc4xx_pic_init arch/ppc/syslib/xilinx_pic.c - */ - -/* Board specifications structures */ -struct ppc_sys_spec *cur_ppc_sys_spec; -struct ppc_sys_spec ppc_sys_specs[] = { - { - /* Only one entry, always assume the same design */ - .ppc_sys_name = "Xilinx ML300 Reference Design", - .mask = 0x00000000, - .value = 0x00000000, - .num_devices = 1, - .device_list = (enum ppc_sys_devices[]) - { - VIRTEX_UART, - }, - }, -}; - -#if defined(XPAR_POWER_0_POWERDOWN_BASEADDR) - -static volatile unsigned *powerdown_base = - (volatile unsigned *) XPAR_POWER_0_POWERDOWN_BASEADDR; - -static void -xilinx_power_off(void) -{ - local_irq_disable(); - out_be32(powerdown_base, XPAR_POWER_0_POWERDOWN_VALUE); - while (1) ; -} -#endif - -void __init -ml300_map_io(void) -{ - ppc4xx_map_io(); - -#if defined(XPAR_POWER_0_POWERDOWN_BASEADDR) - powerdown_base = ioremap((unsigned long) powerdown_base, - XPAR_POWER_0_POWERDOWN_HIGHADDR - - XPAR_POWER_0_POWERDOWN_BASEADDR + 1); -#endif -} - -/* Early serial support functions */ -static void __init -ml300_early_serial_init(int num, struct plat_serial8250_port *pdata) -{ -#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB) - struct uart_port serial_req; - - memset(&serial_req, 0, sizeof(serial_req)); - serial_req.mapbase = pdata->mapbase; - serial_req.membase = pdata->membase; - serial_req.irq = pdata->irq; - serial_req.uartclk = pdata->uartclk; - serial_req.regshift = pdata->regshift; - serial_req.iotype = pdata->iotype; - serial_req.flags = pdata->flags; - gen550_init(num, &serial_req); -#endif -} - -void __init -ml300_early_serial_map(void) -{ -#ifdef CONFIG_SERIAL_8250 - struct plat_serial8250_port *pdata; - int i = 0; - - pdata = (struct plat_serial8250_port *) ppc_sys_get_pdata(VIRTEX_UART); - while(pdata && pdata->flags) - { - pdata->membase = ioremap(pdata->mapbase, 0x100); - ml300_early_serial_init(i, pdata); - pdata++; - i++; - } -#endif /* CONFIG_SERIAL_8250 */ -} - -void __init -ml300_setup_arch(void) -{ - ml300_early_serial_map(); - ppc4xx_setup_arch(); /* calls ppc4xx_find_bridges() */ - - /* Identify the system */ - printk(KERN_INFO "Xilinx Virtex-II Pro port\n"); - printk(KERN_INFO "Port by MontaVista Software, Inc. (source@mvista.com)\n"); -} - -/* Called after board_setup_irq from ppc4xx_init_IRQ(). */ -void __init -ml300_init_irq(void) -{ - ppc4xx_init_IRQ(); -} - -void __init -platform_init(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7) -{ - ppc4xx_init(r3, r4, r5, r6, r7); - - identify_ppc_sys_by_id(mfspr(SPRN_PVR)); - - ppc_md.setup_arch = ml300_setup_arch; - ppc_md.setup_io_mappings = ml300_map_io; - ppc_md.init_IRQ = ml300_init_irq; - -#if defined(XPAR_POWER_0_POWERDOWN_BASEADDR) - ppc_md.power_off = xilinx_power_off; -#endif - -#ifdef CONFIG_KGDB - ppc_md.early_serial_map = ml300_early_serial_map; -#endif -} - |