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Release 4.14 arch/powerpc/platforms/embedded6xx/c2k.c

/*
 * Board setup routines for the GEFanuc C2K board
 *
 * Author: Remi Machet <rmachet@slac.stanford.edu>
 *
 * Originated from prpmc2800.c
 *
 * 2008 (c) Stanford University
 * 2007 (c) MontaVista, Software, Inc.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 */

#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/seq_file.h>
#include <linux/time.h>
#include <linux/of.h>

#include <asm/machdep.h>
#include <asm/prom.h>
#include <asm/time.h>

#include <mm/mmu_decl.h>

#include <sysdev/mv64x60.h>


#define MV64x60_MPP_CNTL_0	0x0000

#define MV64x60_MPP_CNTL_2	0x0008


#define MV64x60_GPP_IO_CNTL	0x0000

#define MV64x60_GPP_LEVEL_CNTL	0x0010

#define MV64x60_GPP_VALUE_SET	0x0018


static void __iomem *mv64x60_mpp_reg_base;

static void __iomem *mv64x60_gpp_reg_base;


static void __init c2k_setup_arch(void) { struct device_node *np; phys_addr_t paddr; const unsigned int *reg; /* * ioremap mpp and gpp registers in case they are later * needed by c2k_reset_board(). */ np = of_find_compatible_node(NULL, NULL, "marvell,mv64360-mpp"); reg = of_get_property(np, "reg", NULL); paddr = of_translate_address(np, reg); of_node_put(np); mv64x60_mpp_reg_base = ioremap(paddr, reg[1]); np = of_find_compatible_node(NULL, NULL, "marvell,mv64360-gpp"); reg = of_get_property(np, "reg", NULL); paddr = of_translate_address(np, reg); of_node_put(np); mv64x60_gpp_reg_base = ioremap(paddr, reg[1]); #ifdef CONFIG_PCI mv64x60_pci_init(); #endif }

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PersonTokensPropCommitsCommitProp
Remi Machet128100.00%1100.00%
Total128100.00%1100.00%


static void c2k_reset_board(void) { u32 temp; local_irq_disable(); temp = in_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_0); temp &= 0xFFFF0FFF; out_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_0, temp); temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL); temp |= 0x00000004; out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL, temp); temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL); temp |= 0x00000004; out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL, temp); temp = in_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_2); temp &= 0xFFFF0FFF; out_le32(mv64x60_mpp_reg_base + MV64x60_MPP_CNTL_2, temp); temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL); temp |= 0x00080000; out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_LEVEL_CNTL, temp); temp = in_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL); temp |= 0x00080000; out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_IO_CNTL, temp); out_le32(mv64x60_gpp_reg_base + MV64x60_GPP_VALUE_SET, 0x00080004); }

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PersonTokensPropCommitsCommitProp
Remi Machet155100.00%1100.00%
Total155100.00%1100.00%


static void __noreturn c2k_restart(char *cmd) { c2k_reset_board(); msleep(100); panic("restart failed\n"); }

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Remi Machet2395.83%150.00%
Daniel Axtens14.17%150.00%
Total24100.00%2100.00%

#ifdef CONFIG_NOT_COHERENT_CACHE #define COHERENCY_SETTING "off" #else #define COHERENCY_SETTING "on" #endif
void c2k_show_cpuinfo(struct seq_file *m) { seq_printf(m, "Vendor\t\t: GEFanuc\n"); seq_printf(m, "coherency\t: %s\n", COHERENCY_SETTING); }

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Remi Machet26100.00%1100.00%
Total26100.00%1100.00%

/* * Called very early, device-tree isn't unflattened */
static int __init c2k_probe(void) { if (!of_machine_is_compatible("GEFanuc,C2K")) return 0; printk(KERN_INFO "Detected a GEFanuc C2K board\n"); _set_L2CR(0); _set_L2CR(L2CR_L2E | L2CR_L2PE | L2CR_L2I); mv64x60_init_early(); return 1; }

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PersonTokensPropCommitsCommitProp
Remi Machet4291.30%133.33%
Benjamin Herrenschmidt48.70%266.67%
Total46100.00%3100.00%

define_machine(c2k) { .name = "C2K", .probe = c2k_probe, .setup_arch = c2k_setup_arch, .show_cpuinfo = c2k_show_cpuinfo, .init_IRQ = mv64x60_init_irq, .get_irq = mv64x60_get_irq, .restart = c2k_restart, .calibrate_decr = generic_calibrate_decr, };

Overall Contributors

PersonTokensPropCommitsCommitProp
Remi Machet50699.02%125.00%
Benjamin Herrenschmidt40.78%250.00%
Daniel Axtens10.20%125.00%
Total511100.00%4100.00%
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