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ARM: ixp4xx: Remove unused static map

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The IXP4xx is just using the device tree now, only keep the
static UART map if and only if we are debugging.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2022-11-20 23:47:06 +01:00
parent 738b1985cb
commit dc6e328a8d
1 changed files with 4 additions and 21 deletions
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25
arch/arm/mach-ixp4xx/ixp4xx-of.c
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@ -9,27 +9,8 @@
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
/*
* These are the only fixed phys to virt mappings we ever need
* we put it right after the UART mapping at 0xffc80000-0xffc81fff
*/
#define IXP4XX_EXP_CFG_BASE_PHYS 0xC4000000
#define IXP4XX_EXP_CFG_BASE_VIRT 0xFEC14000
static struct map_desc ixp4xx_of_io_desc[] __initdata = {
/*
* This is needed for runtime system configuration checks,
* such as reading if hardware so-and-so is present. This
* could eventually be converted into a syscon once all boards
* are converted to device tree.
*/
{
.virtual = IXP4XX_EXP_CFG_BASE_VIRT,
.pfn = __phys_to_pfn(IXP4XX_EXP_CFG_BASE_PHYS),
.length = SZ_4K,
.type = MT_DEVICE,
},
#ifdef CONFIG_DEBUG_UART_8250
static struct map_desc ixp4xx_of_io_desc[] __initdata = {
/* This is needed for LL-debug/earlyprintk/debug-macro.S */
{
.virtual = CONFIG_DEBUG_UART_VIRT,
@ -37,13 +18,15 @@ static struct map_desc ixp4xx_of_io_desc[] __initdata = {
.length = SZ_4K,
.type = MT_DEVICE,
},
#endif
};
static void __init ixp4xx_of_map_io(void)
{
iotable_init(ixp4xx_of_io_desc, ARRAY_SIZE(ixp4xx_of_io_desc));
}
#else
#define ixp4xx_of_map_io NULL
#endif
/*
* We handle 4 different SoC families. These compatible strings are enough