target/linux/ath79/patches-4.14/0027-MIPS-ath79-drop-mips_machine-support.patch

   1 From e03edbc8e68063b3fca7457fa048d8abe0045f1f Mon Sep 17 00:00:00 2001
   2 From: John Crispin <john@phrozen.org>
   3 Date: Tue, 6 Mar 2018 10:15:54 +0100
   4 Subject: [PATCH 27/27] MIPS: ath79: drop mips_machine support
   5
   6 Signed-off-by: John Crispin <john@phrozen.org>
   7 ---
   8  arch/mips/Kconfig           |  1 -
   9  arch/mips/ath79/machtypes.h | 28 -----------------
  10  arch/mips/ath79/setup.c     | 74 ++++++---------------------------------------
  11  3 files changed, 10 insertions(+), 93 deletions(-)
  12  delete mode 100644 arch/mips/ath79/machtypes.h
  13
  14 --- a/arch/mips/Kconfig
  15 +++ b/arch/mips/Kconfig
  16 @@ -196,7 +196,6 @@ config ATH79
  17         select COMMON_CLK
  18         select CLKDEV_LOOKUP
  19         select IRQ_MIPS_CPU
  20 -       select MIPS_MACHINE
  21         select SYS_HAS_CPU_MIPS32_R2
  22         select SYS_HAS_EARLY_PRINTK
  23         select SYS_SUPPORTS_32BIT_KERNEL
  24 --- a/arch/mips/ath79/machtypes.h
  25 +++ /dev/null
  26 @@ -1,28 +0,0 @@
  27 -/*
  28 - *  Atheros AR71XX/AR724X/AR913X machine type definitions
  29 - *
  30 - *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
  31 - *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  32 - *
  33 - *  This program is free software; you can redistribute it and/or modify it
  34 - *  under the terms of the GNU General Public License version 2 as published
  35 - *  by the Free Software Foundation.
  36 - */
  37 -
  38 -#ifndef _ATH79_MACHTYPE_H
  39 -#define _ATH79_MACHTYPE_H
  40 -
  41 -#include <asm/mips_machine.h>
  42 -
  43 -enum ath79_mach_type {
  44 -       ATH79_MACH_GENERIC_OF = -1,     /* Device tree board */
  45 -       ATH79_MACH_GENERIC = 0,
  46 -       ATH79_MACH_AP121,               /* Atheros AP121 reference board */
  47 -       ATH79_MACH_AP136_010,           /* Atheros AP136-010 reference board */
  48 -       ATH79_MACH_AP81,                /* Atheros AP81 reference board */
  49 -       ATH79_MACH_DB120,               /* Atheros DB120 reference board */
  50 -       ATH79_MACH_PB44,                /* Atheros PB44 reference board */
  51 -       ATH79_MACH_UBNT_XM,             /* Ubiquiti Networks XM board rev 1.0 */
  52 -};
  53 -
  54 -#endif /* _ATH79_MACHTYPE_H */
  55 --- a/arch/mips/ath79/setup.c
  56 +++ b/arch/mips/ath79/setup.c
  57 @@ -32,7 +32,6 @@
  58  #include <asm/mach-ath79/ath79.h>
  59  #include <asm/mach-ath79/ar71xx_regs.h>
  60  #include "common.h"
  61 -#include "machtypes.h"
  62
  63  #define ATH79_SYS_TYPE_LEN     64
  64
  65 @@ -235,25 +234,21 @@ void __init plat_mem_setup(void)
  66         else if (fw_passed_dtb)
  67                 __dt_setup_arch((void *)KSEG0ADDR(fw_passed_dtb));
  68
  69 -       if (mips_machtype != ATH79_MACH_GENERIC_OF) {
  70 -               ath79_reset_base = ioremap_nocache(AR71XX_RESET_BASE,
  71 -                                                  AR71XX_RESET_SIZE);
  72 -               ath79_pll_base = ioremap_nocache(AR71XX_PLL_BASE,
  73 -                                                AR71XX_PLL_SIZE);
  74 -               ath79_detect_sys_type();
  75 -               ath79_ddr_ctrl_init();
  76 +       ath79_reset_base = ioremap_nocache(AR71XX_RESET_BASE,
  77 +                                          AR71XX_RESET_SIZE);
  78 +       ath79_pll_base = ioremap_nocache(AR71XX_PLL_BASE,
  79 +                                        AR71XX_PLL_SIZE);
  80 +       ath79_detect_sys_type();
  81 +       ath79_ddr_ctrl_init();
  82
  83 -               detect_memory_region(0, ATH79_MEM_SIZE_MIN, ATH79_MEM_SIZE_MAX);
  84 -
  85 -               /* OF machines should use the reset driver */
  86 -               _machine_restart = ath79_restart;
  87 -       }
  88 +       detect_memory_region(0, ATH79_MEM_SIZE_MIN, ATH79_MEM_SIZE_MAX);
  89
  90 +       _machine_restart = ath79_restart;
  91         _machine_halt = ath79_halt;
  92         pm_power_off = ath79_halt;
  93  }
  94
  95 -static void __init ath79_of_plat_time_init(void)
  96 +void __init plat_time_init(void)
  97  {
  98         struct device_node *np;
  99         struct clk *clk;
 100 @@ -283,62 +278,12 @@ static void __init ath79_of_plat_time_in
 101         clk_put(clk);
 102  }
 103
 104 -void __init plat_time_init(void)
 105 -{
 106 -       unsigned long cpu_clk_rate;
 107 -       unsigned long ahb_clk_rate;
 108 -       unsigned long ddr_clk_rate;
 109 -       unsigned long ref_clk_rate;
 110 -
 111 -       if (IS_ENABLED(CONFIG_OF) && mips_machtype == ATH79_MACH_GENERIC_OF) {
 112 -               ath79_of_plat_time_init();
 113 -               return;
 114 -       }
 115 -
 116 -       ath79_clocks_init();
 117 -
 118 -       cpu_clk_rate = ath79_get_sys_clk_rate("cpu");
 119 -       ahb_clk_rate = ath79_get_sys_clk_rate("ahb");
 120 -       ddr_clk_rate = ath79_get_sys_clk_rate("ddr");
 121 -       ref_clk_rate = ath79_get_sys_clk_rate("ref");
 122 -
 123 -       pr_info("Clocks: CPU:%lu.%03luMHz, DDR:%lu.%03luMHz, AHB:%lu.%03luMHz, Ref:%lu.%03luMHz\n",
 124 -               cpu_clk_rate / 1000000, (cpu_clk_rate / 1000) % 1000,
 125 -               ddr_clk_rate / 1000000, (ddr_clk_rate / 1000) % 1000,
 126 -               ahb_clk_rate / 1000000, (ahb_clk_rate / 1000) % 1000,
 127 -               ref_clk_rate / 1000000, (ref_clk_rate / 1000) % 1000);
 128 -
 129 -       mips_hpt_frequency = cpu_clk_rate / 2;
 130 -}
 131 -
 132  void __init arch_init_irq(void)
 133  {
 134         irqchip_init();
 135  }
 136
 137 -static int __init ath79_setup(void)
 138 -{
 139 -       if  (mips_machtype == ATH79_MACH_GENERIC_OF)
 140 -               return 0;
 141 -
 142 -       mips_machine_setup();
 143 -
 144 -       return 0;
 145 -}
 146 -
 147 -arch_initcall(ath79_setup);
 148 -
 149  void __init device_tree_init(void)
 150  {
 151         unflatten_and_copy_device_tree();
 152  }
 153 -
 154 -MIPS_MACHINE(ATH79_MACH_GENERIC,
 155 -            "Generic",
 156 -            "Generic AR71XX/AR724X/AR913X based board",
 157 -            NULL);
 158 -
 159 -MIPS_MACHINE(ATH79_MACH_GENERIC_OF,
 160 -            "DTB",
 161 -            "Generic AR71XX/AR724X/AR913X based board (DT)",
 162 -            NULL);
 163 --- a/arch/mips/ath79/clock.c
 164 +++ b/arch/mips/ath79/clock.c
 165 @@ -26,7 +26,6 @@
 166  #include <asm/mach-ath79/ath79.h>
 167  #include <asm/mach-ath79/ar71xx_regs.h>
 168  #include "common.h"
 169 -#include "machtypes.h"
 170
 171  #define AR71XX_BASE_FREQ       40000000
 172  #define AR724X_BASE_FREQ       40000000