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ARM: gemini: convert to ARMv4 multiplatform 

This converts the Gemini platform to ARMv4 multiplatform, deleting
the local <mach/*> include directory, moving an idiomatic local
idling function into the .machine_init() call and getting rid of
the Makefile.boot finally.

Cc: Janos Laube <janos.dev@gmail.com>
Cc: Paulius Zaleckas <paulius.zaleckas@gmail.com>
Cc: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2017-01-21 22:43:08 +01:00
parent 8e39061ec8
commit 6dbb708a8f
8 changed files with 40 additions and 165 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
arch/arm/Kconfig
View File

@ -359,25 +359,6 @@ config ARM_SINGLE_ARMV7M
select SPARSE_IRQ
select USE_OF
config ARCH_GEMINI
bool "Cortina Systems Gemini"
select ARM_APPENDED_DTB # Old Redboot bootloaders deployed
select ARM_PATCH_PHYS_VIRT
select AUTO_ZRELADDR
select CPU_FA526
select FARADAY_FTINTC010
select FTTMR010_TIMER
select GPIO_GEMINI
select GPIOLIB
select MULTI_IRQ_HANDLER
select POWER_RESET
select POWER_RESET_SYSCON
select SERIAL_OF_PLATFORM
select SPARSE_IRQ
select USE_OF
help
Support for the Cortina Systems Gemini family SoCs
config ARCH_EBSA110
bool "EBSA-110"
select ARCH_USES_GETTIMEOFFSET
@ -758,6 +739,8 @@ source "arch/arm/mach-ep93xx/Kconfig"
source "arch/arm/mach-footbridge/Kconfig"
source "arch/arm/mach-gemini/Kconfig"
source "arch/arm/mach-highbank/Kconfig"
source "arch/arm/mach-hisi/Kconfig"

13
arch/arm/mach-gemini/Kconfig Normal file
View File

@ -0,0 +1,13 @@
menuconfig ARCH_GEMINI
bool "Cortina Systems Gemini"
depends on ARCH_MULTI_V4
select ARM_APPENDED_DTB # Old Redboot bootloaders deployed
select FARADAY_FTINTC010
select FTTMR010_TIMER
select GPIO_GEMINI
select GPIOLIB
select POWER_RESET
select POWER_RESET_SYSCON
select SERIAL_OF_PLATFORM
help
Support for the Cortina Systems Gemini family SoCs

2
arch/arm/mach-gemini/Makefile
View File

@ -1,2 +1,2 @@
# Makefile for Cortina systems Gemini
obj-y := idle.o board-dt.o
obj-y := board-dt.o

1
arch/arm/mach-gemini/Makefile.boot
View File

@ -1 +0,0 @@
# Empty on purpose

24
arch/arm/mach-gemini/board-dt.c
View File

@ -7,6 +7,8 @@
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/system_misc.h>
#include <asm/proc-fns.h>
#ifdef CONFIG_DEBUG_GEMINI
/* This is needed for LL-debug/earlyprintk/debug-macro.S */
@ -27,6 +29,27 @@ static void __init gemini_map_io(void)
#define gemini_map_io NULL
#endif
static void gemini_idle(void)
{
/*
* Because of broken hardware we have to enable interrupts or the CPU
* will never wakeup... Acctualy it is not very good to enable
* interrupts first since scheduler can miss a tick, but there is
* no other way around this. Platforms that needs it for power saving
* should enable it in init code, since by default it is
* disabled.
*/
/* FIXME: Enabling interrupts here is racy! */
local_irq_enable();
cpu_do_idle();
}
static void __init gemini_init_machine(void)
{
arm_pm_idle = gemini_idle;
}
static const char *gemini_board_compat[] = {
"cortina,gemini",
NULL,
@ -34,5 +57,6 @@ static const char *gemini_board_compat[] = {
DT_MACHINE_START(GEMINI_DT, "Gemini (Device Tree)")
.map_io = gemini_map_io,
.init_machine = gemini_init_machine,
.dt_compat = gemini_board_compat,
MACHINE_END

31
arch/arm/mach-gemini/idle.c
View File

@ -1,31 +0,0 @@
/*
* arch/arm/mach-gemini/idle.c
*/
#include <linux/init.h>
#include <asm/system_misc.h>
#include <asm/proc-fns.h>
static void gemini_idle(void)
{
/*
* Because of broken hardware we have to enable interrupts or the CPU
* will never wakeup... Acctualy it is not very good to enable
* interrupts first since scheduler can miss a tick, but there is
* no other way around this. Platforms that needs it for power saving
* should enable it in init code, since by default it is
* disabled.
*/
/* FIXME: Enabling interrupts here is racy! */
local_irq_enable();
cpu_do_idle();
}
static int __init gemini_idle_init(void)
{
arm_pm_idle = gemini_idle;
return 0;
}
arch_initcall(gemini_idle_init);

71
arch/arm/mach-gemini/include/mach/hardware.h
View File

@ -1,71 +0,0 @@
/*
* This file contains the hardware definitions for Gemini.
*
* Copyright (C) 2001-2006 Storlink, Corp.
* Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
*
* 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.
*/
#ifndef __MACH_HARDWARE_H
#define __MACH_HARDWARE_H
/*
* Memory Map definitions
*/
#ifdef CONFIG_GEMINI_MEM_SWAP
# define GEMINI_DRAM_BASE 0x00000000
# define GEMINI_SRAM_BASE 0x70000000
#else
# define GEMINI_SRAM_BASE 0x00000000
# define GEMINI_DRAM_BASE 0x10000000
#endif
#define GEMINI_FLASH_BASE 0x30000000
#define GEMINI_GLOBAL_BASE 0x40000000
#define GEMINI_WAQTCHDOG_BASE 0x41000000
#define GEMINI_UART_BASE 0x42000000
#define GEMINI_TIMER_BASE 0x43000000
#define GEMINI_LCD_BASE 0x44000000
#define GEMINI_RTC_BASE 0x45000000
#define GEMINI_SATA_BASE 0x46000000
#define GEMINI_LPC_HOST_BASE 0x47000000
#define GEMINI_LPC_IO_BASE 0x47800000
#define GEMINI_INTERRUPT_BASE 0x48000000
/* TODO: Different interrupt controllers when SMP
* #define GEMINI_INTERRUPT0_BASE 0x48000000
* #define GEMINI_INTERRUPT1_BASE 0x49000000
*/
#define GEMINI_SSP_CTRL_BASE 0x4A000000
#define GEMINI_POWER_CTRL_BASE 0x4B000000
#define GEMINI_CIR_BASE 0x4C000000
#define GEMINI_GPIO_BASE(x) (0x4D000000 + (x) * 0x1000000)
#define GEMINI_PCI_IO_BASE 0x50000000
#define GEMINI_PCI_MEM_BASE 0x58000000
#define GEMINI_TOE_BASE 0x60000000
#define GEMINI_GMAC0_BASE 0x6000A000
#define GEMINI_GMAC1_BASE 0x6000E000
#define GEMINI_SECURITY_BASE 0x62000000
#define GEMINI_IDE0_BASE 0x63000000
#define GEMINI_IDE1_BASE 0x63400000
#define GEMINI_RAID_BASE 0x64000000
#define GEMINI_FLASH_CTRL_BASE 0x65000000
#define GEMINI_DRAM_CTRL_BASE 0x66000000
#define GEMINI_GENERAL_DMA_BASE 0x67000000
#define GEMINI_USB0_BASE 0x68000000
#define GEMINI_USB1_BASE 0x69000000
#define GEMINI_BIG_ENDIAN_BASE 0x80000000
/*
* UART Clock when System clk is 150MHz
*/
#define UART_CLK 48000000
/*
* macro to get at IO space when running virtually
*/
#define IO_ADDRESS(x) IOMEM((((x) & 0xFFF00000) >> 4) | ((x) & 0x000FFFFF) | 0xF0000000)
#endif

42
arch/arm/mach-gemini/include/mach/uncompress.h
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@ -1,42 +0,0 @@
/*
* Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
*
* Based on mach-pxa/include/mach/uncompress.h:
* Copyright: (C) 2001 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 as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef __MACH_UNCOMPRESS_H
#define __MACH_UNCOMPRESS_H
#include <linux/serial_reg.h>
#include <mach/hardware.h>
static volatile unsigned long * const UART = (unsigned long *)GEMINI_UART_BASE;
/*
* The following code assumes the serial port has already been
* initialized by the bootloader. If you didn't setup a port in
* your bootloader then nothing will appear (which might be desired).
*/
static inline void putc(char c)
{
while (!(UART[UART_LSR] & UART_LSR_THRE))
barrier();
UART[UART_TX] = c;
}
static inline void flush(void)
{
}
/*
* nothing to do
*/
#define arch_decomp_setup()
#endif /* __MACH_UNCOMPRESS_H */