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ARM: SoC platform updates for v5.4

Browse source 
The main change this time around is a cleanup of some of the oldest
 platforms based on the XScale and ARM9 CPU cores, which are between 10
 and 20 years old.
 
 The Kendin/Micrel/Microchip KS8695, Winbond/Nuvoton W90x900 and Intel
 IOP33x/IOP13xx platforms are removed after we determined that nobody is
 using them any more.
 
 The TI Davinci and NXP LPC32xx platforms on the other hand are still in
 active use and are converted to the ARCH_MULTIPLATFORM build, meaning
 that we can compile a kernel that works on these along with most other
 ARMv5 platforms. Changes toward that goal are also merged for IOP32x,
 but additional work is needed to complete this. Patches for the
 remaining ARMv5 platforms have started but need more work and some
 testing.
 
 Support for the new ASpeed AST2600 gets added, this is based on the
 Cortex-A7 ARMv7 core, and is a newer version of the existing ARMv5 and
 ARMv6 chips in the same family.
 
 Other changes include a cleanup of the ST-Ericsson ux500 platform
 and the move of the TI Davinci platform to a new clocksource driver.
 
 Signed-off-by: Arnd Bergmann <[email protected]>
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC platform updates from Arnd Bergmann:
 "The main change this time around is a cleanup of some of the oldest
  platforms based on the XScale and ARM9 CPU cores, which are between 10
  and 20 years old.

  The Kendin/Micrel/Microchip KS8695, Winbond/Nuvoton W90x900 and Intel
  IOP33x/IOP13xx platforms are removed after we determined that nobody
  is using them any more.

  The TI Davinci and NXP LPC32xx platforms on the other hand are still
  in active use and are converted to the ARCH_MULTIPLATFORM build,
  meaning that we can compile a kernel that works on these along with
  most other ARMv5 platforms. Changes toward that goal are also merged
  for IOP32x, but additional work is needed to complete this. Patches
  for the remaining ARMv5 platforms have started but need more work and
  some testing.

  Support for the new ASpeed AST2600 gets added, this is based on the
  Cortex-A7 ARMv7 core, and is a newer version of the existing ARMv5 and
  ARMv6 chips in the same family.

  Other changes include a cleanup of the ST-Ericsson ux500 platform and
  the move of the TI Davinci platform to a new clocksource driver"

[ The changes had marked INTEL_IOP_ADMA and USB_LPC32XX as being
  buildable on other platforms through COMPILE_TEST, but that causes new
  warnings that I most definitely do not want to see during the merge
  window as that could hide other issues.

  So the COMPILE_TEST option got disabled for them again   - Linus ]

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (61 commits)
  ARM: multi_v5_defconfig: make DaVinci part of the ARM v5 multiplatform build
  ARM: davinci: support multiplatform build for ARM v5
  arm64: exynos: Enable exynos-chipid driver
  ARM: OMAP2+: Delete an unnecessary kfree() call in omap_hsmmc_pdata_init()
  ARM: OMAP2+: move platform-specific asm-offset.h to arch/arm/mach-omap2
  ARM: davinci: dm646x: Fix a typo in the comment
  ARM: davinci: dm646x: switch to using the clocksource driver
  ARM: davinci: dm644x: switch to using the clocksource driver
  ARM: aspeed: Enable SMP boot
  ARM: aspeed: Add ASPEED AST2600 architecture
  ARM: aspeed: Select timer in each SoC
  dt-bindings: arm: cpus: Add ASPEED SMP
  ARM: imx: stop adjusting ar8031 phy tx delay
  mailmap: map old company name to new one @microchip.com
  MAINTAINERS: at91: remove the TC entry
  MAINTAINERS: at91: Collect all pinctrl/gpio drivers in same entry
  ARM: at91: move platform-specific asm-offset.h to arch/arm/mach-at91
  MAINTAINERS: Extend patterns for Samsung SoC, Security Subsystem and clock drivers
  ARM: s3c64xx: squash samsung_usb_phy.h into setup-usb-phy.c
  ARM: debug-ll: Add support for r7s9210
  ...
This commit is contained in:
Linus Torvalds 2019-09-16 15:48:14 -07:00
commit 2b97c39514
238 changed files with 602 additions and 12476 deletions
Download patch file Download diff file Expand all files Collapse all files

3
drivers/tty/serial/Kconfig
View file

@ -739,7 +739,8 @@ config SERIAL_PNX8XXX_CONSOLE
config SERIAL_HS_LPC32XX
tristate "LPC32XX high speed serial port support"
depends on ARCH_LPC32XX && OF
depends on ARCH_LPC32XX || COMPILE_TEST
depends on OF
select SERIAL_CORE
help
Support for the LPC32XX high speed serial ports (up to 900kbps).

37
drivers/tty/serial/lpc32xx_hs.c
View file

@ -25,8 +25,8 @@
#include <linux/irq.h>
#include <linux/gpio.h>
#include <linux/of.h>
#include <mach/platform.h>
#include <mach/hardware.h>
#include <linux/sizes.h>
#include <linux/soc/nxp/lpc32xx-misc.h>
/*
* High Speed UART register offsets
@ -81,6 +81,8 @@
#define LPC32XX_HSU_TX_TL8B (0x2 << 0)
#define LPC32XX_HSU_TX_TL16B (0x3 << 0)
#define LPC32XX_MAIN_OSC_FREQ 13000000
#define MODNAME "lpc32xx_hsuart"
struct lpc32xx_hsuart_port {
@ -151,8 +153,6 @@ static void lpc32xx_hsuart_console_write(struct console *co, const char *s,
local_irq_restore(flags);
}
static void lpc32xx_loopback_set(resource_size_t mapbase, int state);
static int __init lpc32xx_hsuart_console_setup(struct console *co,
char *options)
{
@ -439,35 +439,6 @@ static void serial_lpc32xx_break_ctl(struct uart_port *port,
spin_unlock_irqrestore(&port->lock, flags);
}
/* LPC3250 Errata HSUART.1: Hang workaround via loopback mode on inactivity */
static void lpc32xx_loopback_set(resource_size_t mapbase, int state)
{
int bit;
u32 tmp;
switch (mapbase) {
case LPC32XX_HS_UART1_BASE:
bit = 0;
break;
case LPC32XX_HS_UART2_BASE:
bit = 1;
break;
case LPC32XX_HS_UART7_BASE:
bit = 6;
break;
default:
WARN(1, "lpc32xx_hs: Warning: Unknown port at %08x\n", mapbase);
return;
}
tmp = readl(LPC32XX_UARTCTL_CLOOP);
if (state)
tmp |= (1 << bit);
else
tmp &= ~(1 << bit);
writel(tmp, LPC32XX_UARTCTL_CLOOP);
}
/* port->lock is not held. */
static int serial_lpc32xx_startup(struct uart_port *port)
{