diff options
Diffstat (limited to 'arch/powerpc/platforms/40x/ep405.c')
| -rw-r--r-- | arch/powerpc/platforms/40x/ep405.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/arch/powerpc/platforms/40x/ep405.c b/arch/powerpc/platforms/40x/ep405.c deleted file mode 100644 index 1c8aec6e9bb7..000000000000 --- a/arch/powerpc/platforms/40x/ep405.c +++ /dev/null @@ -1,123 +0,0 @@ -/* - * Architecture- / platform-specific boot-time initialization code for - * IBM PowerPC 4xx based boards. Adapted from original - * code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek - * <dan@net4x.com>. - * - * Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu> - * - * Rewritten and ported to the merged powerpc tree: - * Copyright 2007 IBM Corporation - * Josh Boyer <jwboyer@linux.vnet.ibm.com> - * - * Adapted to EP405 by Ben. Herrenschmidt <benh@kernel.crashing.org> - * - * TODO: Wire up the PCI IRQ mux and the southbridge interrupts - * - * 2002 (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/of_platform.h> - -#include <asm/machdep.h> -#include <asm/prom.h> -#include <asm/udbg.h> -#include <asm/time.h> -#include <asm/uic.h> -#include <asm/pci-bridge.h> -#include <asm/ppc4xx.h> - -static struct device_node *bcsr_node; -static void __iomem *bcsr_regs; - -/* BCSR registers */ -#define BCSR_ID 0 -#define BCSR_PCI_CTRL 1 -#define BCSR_FLASH_NV_POR_CTRL 2 -#define BCSR_FENET_UART_CTRL 3 -#define BCSR_PCI_IRQ 4 -#define BCSR_XIRQ_SELECT 5 -#define BCSR_XIRQ_ROUTING 6 -#define BCSR_XIRQ_STATUS 7 -#define BCSR_XIRQ_STATUS2 8 -#define BCSR_SW_STAT_LED_CTRL 9 -#define BCSR_GPIO_IRQ_PAR_CTRL 10 -/* there's more, can't be bothered typing them tho */ - - -static const struct of_device_id ep405_of_bus[] __initconst = { - { .compatible = "ibm,plb3", }, - { .compatible = "ibm,opb", }, - { .compatible = "ibm,ebc", }, - {}, -}; - -static int __init ep405_device_probe(void) -{ - of_platform_bus_probe(NULL, ep405_of_bus, NULL); - - return 0; -} -machine_device_initcall(ep405, ep405_device_probe); - -static void __init ep405_init_bcsr(void) -{ - const u8 *irq_routing; - int i; - - /* Find the bloody thing & map it */ - bcsr_node = of_find_compatible_node(NULL, NULL, "ep405-bcsr"); - if (bcsr_node == NULL) { - printk(KERN_ERR "EP405 BCSR not found !\n"); - return; - } - bcsr_regs = of_iomap(bcsr_node, 0); - if (bcsr_regs == NULL) { - printk(KERN_ERR "EP405 BCSR failed to map !\n"); - return; - } - - /* Get the irq-routing property and apply the routing to the CPLD */ - irq_routing = of_get_property(bcsr_node, "irq-routing", NULL); - if (irq_routing == NULL) - return; - for (i = 0; i < 16; i++) { - u8 irq = irq_routing[i]; - out_8(bcsr_regs + BCSR_XIRQ_SELECT, i); - out_8(bcsr_regs + BCSR_XIRQ_ROUTING, irq); - } - in_8(bcsr_regs + BCSR_XIRQ_SELECT); - mb(); - out_8(bcsr_regs + BCSR_GPIO_IRQ_PAR_CTRL, 0xfe); -} - -static void __init ep405_setup_arch(void) -{ - /* Find & init the BCSR CPLD */ - ep405_init_bcsr(); - - pci_set_flags(PCI_REASSIGN_ALL_RSRC); -} - -static int __init ep405_probe(void) -{ - if (!of_machine_is_compatible("ep405")) - return 0; - - return 1; -} - -define_machine(ep405) { - .name = "EP405", - .probe = ep405_probe, - .setup_arch = ep405_setup_arch, - .progress = udbg_progress, - .init_IRQ = uic_init_tree, - .get_irq = uic_get_irq, - .restart = ppc4xx_reset_system, - .calibrate_decr = generic_calibrate_decr, -}; |