diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/platforms/86xx/gef_ppc9a.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/powerpc/platforms/86xx/gef_ppc9a.c | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/platforms/86xx/gef_ppc9a.c b/ANDROID_3.4.5/arch/powerpc/platforms/86xx/gef_ppc9a.c deleted file mode 100644 index 1fca663f..00000000 --- a/ANDROID_3.4.5/arch/powerpc/platforms/86xx/gef_ppc9a.c +++ /dev/null @@ -1,250 +0,0 @@ -/* - * GE PPC9A board support - * - * Author: Martyn Welch <martyn.welch@ge.com> - * - * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * Based on: mpc86xx_hpcn.c (MPC86xx HPCN board specific routines) - * Copyright 2006 Freescale Semiconductor Inc. - * - * NEC fixup adapted from arch/mips/pci/fixup-lm2e.c - */ - -#include <linux/stddef.h> -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/kdev_t.h> -#include <linux/delay.h> -#include <linux/seq_file.h> -#include <linux/of_platform.h> - -#include <asm/time.h> -#include <asm/machdep.h> -#include <asm/pci-bridge.h> -#include <asm/prom.h> -#include <mm/mmu_decl.h> -#include <asm/udbg.h> - -#include <asm/mpic.h> -#include <asm/nvram.h> - -#include <sysdev/fsl_pci.h> -#include <sysdev/fsl_soc.h> -#include <sysdev/ge/ge_pic.h> - -#include "mpc86xx.h" - -#undef DEBUG - -#ifdef DEBUG -#define DBG (fmt...) do { printk(KERN_ERR "PPC9A: " fmt); } while (0) -#else -#define DBG (fmt...) do { } while (0) -#endif - -void __iomem *ppc9a_regs; - -static void __init gef_ppc9a_init_irq(void) -{ - struct device_node *cascade_node = NULL; - - mpc86xx_init_irq(); - - /* - * There is a simple interrupt handler in the main FPGA, this needs - * to be cascaded into the MPIC - */ - cascade_node = of_find_compatible_node(NULL, NULL, "gef,fpga-pic-1.00"); - if (!cascade_node) { - printk(KERN_WARNING "PPC9A: No FPGA PIC\n"); - return; - } - - gef_pic_init(cascade_node); - of_node_put(cascade_node); -} - -static void __init gef_ppc9a_setup_arch(void) -{ - struct device_node *regs; -#ifdef CONFIG_PCI - struct device_node *np; - - for_each_compatible_node(np, "pci", "fsl,mpc8641-pcie") { - fsl_add_bridge(np, 1); - } -#endif - - printk(KERN_INFO "GE Intelligent Platforms PPC9A 6U VME SBC\n"); - -#ifdef CONFIG_SMP - mpc86xx_smp_init(); -#endif - - /* Remap basic board registers */ - regs = of_find_compatible_node(NULL, NULL, "gef,ppc9a-fpga-regs"); - if (regs) { - ppc9a_regs = of_iomap(regs, 0); - if (ppc9a_regs == NULL) - printk(KERN_WARNING "Unable to map board registers\n"); - of_node_put(regs); - } - -#if defined(CONFIG_MMIO_NVRAM) - mmio_nvram_init(); -#endif -} - -/* Return the PCB revision */ -static unsigned int gef_ppc9a_get_pcb_rev(void) -{ - unsigned int reg; - - reg = ioread32be(ppc9a_regs); - return (reg >> 16) & 0xff; -} - -/* Return the board (software) revision */ -static unsigned int gef_ppc9a_get_board_rev(void) -{ - unsigned int reg; - - reg = ioread32be(ppc9a_regs); - return (reg >> 8) & 0xff; -} - -/* Return the FPGA revision */ -static unsigned int gef_ppc9a_get_fpga_rev(void) -{ - unsigned int reg; - - reg = ioread32be(ppc9a_regs); - return reg & 0xf; -} - -/* Return VME Geographical Address */ -static unsigned int gef_ppc9a_get_vme_geo_addr(void) -{ - unsigned int reg; - - reg = ioread32be(ppc9a_regs + 0x4); - return reg & 0x1f; -} - -/* Return VME System Controller Status */ -static unsigned int gef_ppc9a_get_vme_is_syscon(void) -{ - unsigned int reg; - - reg = ioread32be(ppc9a_regs + 0x4); - return (reg >> 9) & 0x1; -} - -static void gef_ppc9a_show_cpuinfo(struct seq_file *m) -{ - uint svid = mfspr(SPRN_SVR); - - seq_printf(m, "Vendor\t\t: GE Intelligent Platforms\n"); - - seq_printf(m, "Revision\t: %u%c\n", gef_ppc9a_get_pcb_rev(), - ('A' + gef_ppc9a_get_board_rev())); - seq_printf(m, "FPGA Revision\t: %u\n", gef_ppc9a_get_fpga_rev()); - - seq_printf(m, "SVR\t\t: 0x%x\n", svid); - - seq_printf(m, "VME geo. addr\t: %u\n", gef_ppc9a_get_vme_geo_addr()); - - seq_printf(m, "VME syscon\t: %s\n", - gef_ppc9a_get_vme_is_syscon() ? "yes" : "no"); -} - -static void __init gef_ppc9a_nec_fixup(struct pci_dev *pdev) -{ - unsigned int val; - - /* Do not do the fixup on other platforms! */ - if (!machine_is(gef_ppc9a)) - return; - - printk(KERN_INFO "Running NEC uPD720101 Fixup\n"); - - /* Ensure ports 1, 2, 3, 4 & 5 are enabled */ - pci_read_config_dword(pdev, 0xe0, &val); - pci_write_config_dword(pdev, 0xe0, (val & ~7) | 0x5); - - /* System clock is 48-MHz Oscillator and EHCI Enabled. */ - pci_write_config_dword(pdev, 0xe4, 1 << 5); -} -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_USB, - gef_ppc9a_nec_fixup); - -/* - * Called very early, device-tree isn't unflattened - * - * This function is called to determine whether the BSP is compatible with the - * supplied device-tree, which is assumed to be the correct one for the actual - * board. It is expected thati, in the future, a kernel may support multiple - * boards. - */ -static int __init gef_ppc9a_probe(void) -{ - unsigned long root = of_get_flat_dt_root(); - - if (of_flat_dt_is_compatible(root, "gef,ppc9a")) - return 1; - - return 0; -} - -static long __init mpc86xx_time_init(void) -{ - unsigned int temp; - - /* Set the time base to zero */ - mtspr(SPRN_TBWL, 0); - mtspr(SPRN_TBWU, 0); - - temp = mfspr(SPRN_HID0); - temp |= HID0_TBEN; - mtspr(SPRN_HID0, temp); - asm volatile("isync"); - - return 0; -} - -static __initdata struct of_device_id of_bus_ids[] = { - { .compatible = "simple-bus", }, - { .compatible = "gianfar", }, - {}, -}; - -static int __init declare_of_platform_devices(void) -{ - printk(KERN_DEBUG "Probe platform devices\n"); - of_platform_bus_probe(NULL, of_bus_ids, NULL); - - return 0; -} -machine_device_initcall(gef_ppc9a, declare_of_platform_devices); - -define_machine(gef_ppc9a) { - .name = "GE PPC9A", - .probe = gef_ppc9a_probe, - .setup_arch = gef_ppc9a_setup_arch, - .init_IRQ = gef_ppc9a_init_irq, - .show_cpuinfo = gef_ppc9a_show_cpuinfo, - .get_irq = mpic_get_irq, - .restart = fsl_rstcr_restart, - .time_init = mpc86xx_time_init, - .calibrate_decr = generic_calibrate_decr, - .progress = udbg_progress, -#ifdef CONFIG_PCI - .pcibios_fixup_bus = fsl_pcibios_fixup_bus, -#endif -}; |