diff options
author | Christophe Leroy <christophe.leroy@c-s.fr> | 2020-05-21 16:55:57 +0000 |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-05-28 23:24:35 +1000 |
commit | 5786074b96e38691a0cb3d3644ca2aa5d6d8830d (patch) | |
tree | 24e698b3ff1890f23d1bc267de197142fd916014 /arch | |
parent | 7583b63c343c1076c89b2012fd8758473f046f5f (diff) | |
download | linux-stable-5786074b96e38691a0cb3d3644ca2aa5d6d8830d.tar.gz linux-stable-5786074b96e38691a0cb3d3644ca2aa5d6d8830d.tar.bz2 linux-stable-5786074b96e38691a0cb3d3644ca2aa5d6d8830d.zip |
powerpc/40x: Remove WALNUT
CONFIG_WALNUT is not selected by any config and is based
on 405GP which is obsolete.
Remove it.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/ab46013d8d33346af68faf30a719a586c3befad9.1590079968.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/boot/Makefile | 4 | ||||
-rw-r--r-- | arch/powerpc/boot/dts/walnut.dts | 246 | ||||
-rw-r--r-- | arch/powerpc/boot/treeboot-walnut.c | 81 | ||||
-rw-r--r-- | arch/powerpc/configs/40x/acadia_defconfig | 1 | ||||
-rw-r--r-- | arch/powerpc/configs/40x/kilauea_defconfig | 1 | ||||
-rw-r--r-- | arch/powerpc/configs/40x/klondike_defconfig | 1 | ||||
-rw-r--r-- | arch/powerpc/configs/40x/makalu_defconfig | 1 | ||||
-rw-r--r-- | arch/powerpc/configs/40x/obs600_defconfig | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/40x/Kconfig | 10 | ||||
-rw-r--r-- | arch/powerpc/platforms/40x/Makefile | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/40x/walnut.c | 65 |
11 files changed, 1 insertions, 411 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index d8077b7071dd..749c27fcf2d9 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -75,7 +75,6 @@ $(obj)/cuboot-hotfoot.o: BOOTCFLAGS += -mcpu=405 $(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=405 $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405 $(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405 -$(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405 $(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405 $(obj)/treeboot-currituck.o: BOOTCFLAGS += -mcpu=405 $(obj)/treeboot-akebono.o: BOOTCFLAGS += -mcpu=405 @@ -132,7 +131,7 @@ src-wlib-$(CONFIG_CPM) += cpm-serial.c src-plat-y := of.c epapr.c src-plat-$(CONFIG_40x) += fixed-head.S ep405.c cuboot-hotfoot.c \ - treeboot-walnut.c cuboot-acadia.c \ + cuboot-acadia.c \ cuboot-kilauea.c simpleboot.c src-plat-$(CONFIG_44x) += treeboot-ebony.c cuboot-ebony.c treeboot-bamboo.c \ cuboot-bamboo.c cuboot-sam440ep.c \ @@ -278,7 +277,6 @@ image-$(CONFIG_EPAPR_BOOT) += zImage.epapr # Board ports in arch/powerpc/platform/40x/Kconfig image-$(CONFIG_EP405) += dtbImage.ep405 image-$(CONFIG_HOTFOOT) += cuImage.hotfoot -image-$(CONFIG_WALNUT) += treeImage.walnut image-$(CONFIG_ACADIA) += cuImage.acadia image-$(CONFIG_OBS600) += uImage.obs600 diff --git a/arch/powerpc/boot/dts/walnut.dts b/arch/powerpc/boot/dts/walnut.dts deleted file mode 100644 index 0872862c9363..000000000000 --- a/arch/powerpc/boot/dts/walnut.dts +++ /dev/null @@ -1,246 +0,0 @@ -/* - * Device Tree Source for IBM Walnut - * - * Copyright 2007 IBM Corp. - * Josh Boyer <jwboyer@linux.vnet.ibm.com> - * - * 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. - */ - -/dts-v1/; - -/ { - #address-cells = <1>; - #size-cells = <1>; - model = "ibm,walnut"; - compatible = "ibm,walnut"; - dcr-parent = <&{/cpus/cpu@0}>; - - aliases { - ethernet0 = &EMAC; - serial0 = &UART0; - serial1 = &UART1; - }; - - cpus { - #address-cells = <1>; - #size-cells = <0>; - - cpu@0 { - device_type = "cpu"; - model = "PowerPC,405GP"; - reg = <0x00000000>; - clock-frequency = <200000000>; /* Filled in by zImage */ - timebase-frequency = <0>; /* Filled in by zImage */ - i-cache-line-size = <32>; - d-cache-line-size = <32>; - i-cache-size = <16384>; - d-cache-size = <16384>; - dcr-controller; - dcr-access-method = "native"; - }; - }; - - memory { - device_type = "memory"; - reg = <0x00000000 0x00000000>; /* Filled in by zImage */ - }; - - UIC0: interrupt-controller { - compatible = "ibm,uic"; - interrupt-controller; - cell-index = <0>; - dcr-reg = <0x0c0 0x009>; - #address-cells = <0>; - #size-cells = <0>; - #interrupt-cells = <2>; - }; - - plb { - compatible = "ibm,plb3"; - #address-cells = <1>; - #size-cells = <1>; - ranges; - clock-frequency = <0>; /* Filled in by zImage */ - - SDRAM0: memory-controller { - compatible = "ibm,sdram-405gp"; - dcr-reg = <0x010 0x002>; - }; - - MAL: mcmal { - compatible = "ibm,mcmal-405gp", "ibm,mcmal"; - dcr-reg = <0x180 0x062>; - num-tx-chans = <1>; - num-rx-chans = <1>; - interrupt-parent = <&UIC0>; - interrupts = < - 0xb 0x4 /* TXEOB */ - 0xc 0x4 /* RXEOB */ - 0xa 0x4 /* SERR */ - 0xd 0x4 /* TXDE */ - 0xe 0x4 /* RXDE */>; - }; - - POB0: opb { - compatible = "ibm,opb-405gp", "ibm,opb"; - #address-cells = <1>; - #size-cells = <1>; - ranges = <0xef600000 0xef600000 0x00a00000>; - dcr-reg = <0x0a0 0x005>; - clock-frequency = <0>; /* Filled in by zImage */ - - UART0: serial@ef600300 { - device_type = "serial"; - compatible = "ns16550"; - reg = <0xef600300 0x00000008>; - virtual-reg = <0xef600300>; - clock-frequency = <0>; /* Filled in by zImage */ - current-speed = <9600>; - interrupt-parent = <&UIC0>; - interrupts = <0x0 0x4>; - }; - - UART1: serial@ef600400 { - device_type = "serial"; - compatible = "ns16550"; - reg = <0xef600400 0x00000008>; - virtual-reg = <0xef600400>; - clock-frequency = <0>; /* Filled in by zImage */ - current-speed = <9600>; - interrupt-parent = <&UIC0>; - interrupts = <0x1 0x4>; - }; - - IIC: i2c@ef600500 { - compatible = "ibm,iic-405gp", "ibm,iic"; - reg = <0xef600500 0x00000011>; - interrupt-parent = <&UIC0>; - interrupts = <0x2 0x4>; - }; - - GPIO: gpio@ef600700 { - compatible = "ibm,gpio-405gp"; - reg = <0xef600700 0x00000020>; - }; - - EMAC: ethernet@ef600800 { - device_type = "network"; - compatible = "ibm,emac-405gp", "ibm,emac"; - interrupt-parent = <&UIC0>; - interrupts = < - 0xf 0x4 /* Ethernet */ - 0x9 0x4 /* Ethernet Wake Up */>; - local-mac-address = [000000000000]; /* Filled in by zImage */ - reg = <0xef600800 0x00000070>; - mal-device = <&MAL>; - mal-tx-channel = <0>; - mal-rx-channel = <0>; - cell-index = <0>; - max-frame-size = <1500>; - rx-fifo-size = <4096>; - tx-fifo-size = <2048>; - phy-mode = "rmii"; - phy-map = <0x00000001>; - }; - - }; - - EBC0: ebc { - compatible = "ibm,ebc-405gp", "ibm,ebc"; - dcr-reg = <0x012 0x002>; - #address-cells = <2>; - #size-cells = <1>; - /* The ranges property is supplied by the bootwrapper - * and is based on the firmware's configuration of the - * EBC bridge - */ - clock-frequency = <0>; /* Filled in by zImage */ - - sram@0,0 { - reg = <0x00000000 0x00000000 0x00080000>; - }; - - flash@0,80000 { - compatible = "jedec-flash"; - bank-width = <1>; - reg = <0x00000000 0x00080000 0x00080000>; - #address-cells = <1>; - #size-cells = <1>; - partition@0 { - label = "OpenBIOS"; - reg = <0x00000000 0x00080000>; - read-only; - }; - }; - - nvram@1,0 { - /* NVRAM and RTC */ - compatible = "ds1743-nvram"; - #bytes = <0x2000>; - reg = <0x00000001 0x00000000 0x00002000>; - }; - - keyboard@2,0 { - compatible = "intel,82C42PC"; - reg = <0x00000002 0x00000000 0x00000002>; - }; - - ir@3,0 { - compatible = "ti,TIR2000PAG"; - reg = <0x00000003 0x00000000 0x00000010>; - }; - - fpga@7,0 { - compatible = "Walnut-FPGA"; - reg = <0x00000007 0x00000000 0x00000010>; - virtual-reg = <0xf0300005>; - }; - }; - - PCI0: pci@ec000000 { - device_type = "pci"; - #interrupt-cells = <1>; - #size-cells = <2>; - #address-cells = <3>; - compatible = "ibm,plb405gp-pci", "ibm,plb-pci"; - primary; - reg = <0xeec00000 0x00000008 /* Config space access */ - 0xeed80000 0x00000004 /* IACK */ - 0xeed80000 0x00000004 /* Special cycle */ - 0xef480000 0x00000040>; /* Internal registers */ - - /* Outbound ranges, one memory and one IO, - * later cannot be changed. Chip supports a second - * IO range but we don't use it for now - */ - ranges = <0x02000000 0x00000000 0x80000000 0x80000000 0x00000000 0x20000000 - 0x01000000 0x00000000 0x00000000 0xe8000000 0x00000000 0x00010000>; - - /* Inbound 2GB range starting at 0 */ - dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x80000000>; - - /* Walnut has all 4 IRQ pins tied together per slot */ - interrupt-map-mask = <0xf800 0x0 0x0 0x0>; - interrupt-map = < - /* IDSEL 1 */ - 0x800 0x0 0x0 0x0 &UIC0 0x1c 0x8 - - /* IDSEL 2 */ - 0x1000 0x0 0x0 0x0 &UIC0 0x1d 0x8 - - /* IDSEL 3 */ - 0x1800 0x0 0x0 0x0 &UIC0 0x1e 0x8 - - /* IDSEL 4 */ - 0x2000 0x0 0x0 0x0 &UIC0 0x1f 0x8 - >; - }; - }; - - chosen { - stdout-path = "/plb/opb/serial@ef600300"; - }; -}; diff --git a/arch/powerpc/boot/treeboot-walnut.c b/arch/powerpc/boot/treeboot-walnut.c deleted file mode 100644 index 623f58e7f7c9..000000000000 --- a/arch/powerpc/boot/treeboot-walnut.c +++ /dev/null @@ -1,81 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Old U-boot compatibility for Walnut - * - * Author: Josh Boyer <jwboyer@linux.vnet.ibm.com> - * - * Copyright 2007 IBM Corporation - * Based on cuboot-83xx.c, which is: - * Copyright (c) 2007 Freescale Semiconductor, Inc. - */ - -#include "ops.h" -#include "stdio.h" -#include "dcr.h" -#include "4xx.h" -#include "io.h" - -BSS_STACK(4096); - -static void walnut_flashsel_fixup(void) -{ - void *devp, *sram; - u32 reg_flash[3] = {0x0, 0x0, 0x80000}; - u32 reg_sram[3] = {0x0, 0x0, 0x80000}; - u8 *fpga; - u8 fpga_brds1 = 0x0; - - devp = finddevice("/plb/ebc/fpga"); - if (!devp) - fatal("Couldn't locate FPGA node\n\r"); - - if (getprop(devp, "virtual-reg", &fpga, sizeof(fpga)) != sizeof(fpga)) - fatal("no virtual-reg property\n\r"); - - fpga_brds1 = in_8(fpga); - - devp = finddevice("/plb/ebc/flash"); - if (!devp) - fatal("Couldn't locate flash node\n\r"); - - if (getprop(devp, "reg", reg_flash, sizeof(reg_flash)) != sizeof(reg_flash)) - fatal("flash reg property has unexpected size\n\r"); - - sram = finddevice("/plb/ebc/sram"); - if (!sram) - fatal("Couldn't locate sram node\n\r"); - - if (getprop(sram, "reg", reg_sram, sizeof(reg_sram)) != sizeof(reg_sram)) - fatal("sram reg property has unexpected size\n\r"); - - if (fpga_brds1 & 0x1) { - reg_flash[1] ^= 0x80000; - reg_sram[1] ^= 0x80000; - } - - setprop(devp, "reg", reg_flash, sizeof(reg_flash)); - setprop(sram, "reg", reg_sram, sizeof(reg_sram)); -} - -#define WALNUT_OPENBIOS_MAC_OFF 0xfffffe0b -static void walnut_fixups(void) -{ - ibm4xx_sdram_fixup_memsize(); - ibm405gp_fixup_clocks(33330000, 0xa8c000); - ibm4xx_quiesce_eth((u32 *)0xef600800, NULL); - ibm4xx_fixup_ebc_ranges("/plb/ebc"); - walnut_flashsel_fixup(); - dt_fixup_mac_address_by_alias("ethernet0", (u8 *) WALNUT_OPENBIOS_MAC_OFF); -} - -void platform_init(void) -{ - unsigned long end_of_ram = 0x2000000; - unsigned long avail_ram = end_of_ram - (unsigned long) _end; - - simple_alloc_init(_end, avail_ram, 32, 32); - platform_ops.fixups = walnut_fixups; - platform_ops.exit = ibm40x_dbcr_reset; - fdt_init(_dtb_start); - serial_console_init(); -} diff --git a/arch/powerpc/configs/40x/acadia_defconfig b/arch/powerpc/configs/40x/acadia_defconfig index db93c117be36..25eed86ec528 100644 --- a/arch/powerpc/configs/40x/acadia_defconfig +++ b/arch/powerpc/configs/40x/acadia_defconfig @@ -9,7 +9,6 @@ CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_BLK_DEV_BSG is not set CONFIG_ACADIA=y -# CONFIG_WALNUT is not set CONFIG_PCI=y CONFIG_NET=y CONFIG_PACKET=y diff --git a/arch/powerpc/configs/40x/kilauea_defconfig b/arch/powerpc/configs/40x/kilauea_defconfig index edc22464dfb5..3549c9e950e8 100644 --- a/arch/powerpc/configs/40x/kilauea_defconfig +++ b/arch/powerpc/configs/40x/kilauea_defconfig @@ -11,7 +11,6 @@ CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_BLK_DEV_BSG is not set CONFIG_KILAUEA=y -# CONFIG_WALNUT is not set CONFIG_PCI=y CONFIG_NET=y CONFIG_PACKET=y diff --git a/arch/powerpc/configs/40x/klondike_defconfig b/arch/powerpc/configs/40x/klondike_defconfig index 579fa846839c..6a735ee75715 100644 --- a/arch/powerpc/configs/40x/klondike_defconfig +++ b/arch/powerpc/configs/40x/klondike_defconfig @@ -8,7 +8,6 @@ CONFIG_EMBEDDED=y CONFIG_SLAB=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y -# CONFIG_WALNUT is not set CONFIG_APM8018X=y # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set CONFIG_MATH_EMULATION=y diff --git a/arch/powerpc/configs/40x/makalu_defconfig b/arch/powerpc/configs/40x/makalu_defconfig index 188789b9aa4c..4563f88acf0c 100644 --- a/arch/powerpc/configs/40x/makalu_defconfig +++ b/arch/powerpc/configs/40x/makalu_defconfig @@ -9,7 +9,6 @@ CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_BLK_DEV_BSG is not set CONFIG_MAKALU=y -# CONFIG_WALNUT is not set CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y diff --git a/arch/powerpc/configs/40x/obs600_defconfig b/arch/powerpc/configs/40x/obs600_defconfig index 5bf6af7ef093..2a2bb3f46847 100644 --- a/arch/powerpc/configs/40x/obs600_defconfig +++ b/arch/powerpc/configs/40x/obs600_defconfig @@ -10,7 +10,6 @@ CONFIG_KALLSYMS_ALL=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_BLK_DEV_BSG is not set -# CONFIG_WALNUT is not set CONFIG_OBS600=y CONFIG_MATH_EMULATION=y CONFIG_NET=y diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig index ca8f44650647..7c25be6c21d9 100644 --- a/arch/powerpc/platforms/40x/Kconfig +++ b/arch/powerpc/platforms/40x/Kconfig @@ -45,16 +45,6 @@ config MAKALU help This option enables support for the AMCC PPC405EX board. -config WALNUT - bool "Walnut" - depends on 40x - default y - select 405GP - select FORCE_PCI - select OF_RTC - help - This option enables support for the IBM PPC405GP evaluation board. - config OBS600 bool "OpenBlockS 600" depends on 40x diff --git a/arch/powerpc/platforms/40x/Makefile b/arch/powerpc/platforms/40x/Makefile index e9386deed505..812f1a5736fb 100644 --- a/arch/powerpc/platforms/40x/Makefile +++ b/arch/powerpc/platforms/40x/Makefile @@ -1,4 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only -obj-$(CONFIG_WALNUT) += walnut.o obj-$(CONFIG_EP405) += ep405.o obj-$(CONFIG_PPC40x_SIMPLE) += ppc40x_simple.o diff --git a/arch/powerpc/platforms/40x/walnut.c b/arch/powerpc/platforms/40x/walnut.c deleted file mode 100644 index e5797815e2f1..000000000000 --- a/arch/powerpc/platforms/40x/walnut.c +++ /dev/null @@ -1,65 +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> - * - * 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 <linux/rtc.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 const struct of_device_id walnut_of_bus[] __initconst = { - { .compatible = "ibm,plb3", }, - { .compatible = "ibm,opb", }, - { .compatible = "ibm,ebc", }, - {}, -}; - -static int __init walnut_device_probe(void) -{ - of_platform_bus_probe(NULL, walnut_of_bus, NULL); - of_instantiate_rtc(); - - return 0; -} -machine_device_initcall(walnut, walnut_device_probe); - -static int __init walnut_probe(void) -{ - if (!of_machine_is_compatible("ibm,walnut")) - return 0; - - pci_set_flags(PCI_REASSIGN_ALL_RSRC); - - return 1; -} - -define_machine(walnut) { - .name = "Walnut", - .probe = walnut_probe, - .progress = udbg_progress, - .init_IRQ = uic_init_tree, - .get_irq = uic_get_irq, - .restart = ppc4xx_reset_system, - .calibrate_decr = generic_calibrate_decr, -}; |