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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 20:11:00 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 20:11:00 -0700
commit952414505f55afe5cd6dc004765076aa22b3ed7e (patch)
treeeba11ed702ae02fea7f1a0d422346454fc98296f /arch/arm/mach-u300
parent68e24ba70465b82ad24e0774ceab5360180d4627 (diff)
parent3e965b176341b78620f7404fd8b7f9a0d061f8a2 (diff)
downloadblackbird-obmc-linux-952414505f55afe5cd6dc004765076aa22b3ed7e.tar.gz
blackbird-obmc-linux-952414505f55afe5cd6dc004765076aa22b3ed7e.zip
Merge branch 'next/cleanup' of git://git.linaro.org/people/arnd/arm-soc
* 'next/cleanup' of git://git.linaro.org/people/arnd/arm-soc: (125 commits) ARM: mach-mxs: fix machines' initializers order mmc: mxcmmc: explicitly includes mach/hardware.h arm/imx: explicitly includes mach/hardware.h in pm-imx27.c arm/imx: remove mx27_setup_weimcs() from mx27.h arm/imx: explicitly includes mach/hardware.h in mach-kzm_arm11_01.c arm/imx: remove mx31_setup_weimcs() from mx31.h ARM: tegra: devices.c should include devices.h ARM: tegra: cpu-tegra: unexport two functions ARM: tegra: cpu-tegra: sparse type fix ARM: tegra: dma: staticify some tables and functions ARM: tegra: tegra2_clocks: don't export some tables ARM: tegra: tegra_powergate_is_powered should be static ARM: tegra: tegra_rtc_read_ms should be static ARM: tegra: tegra_init_cache should be static ARM: tegra: pcie: 0 -> NULL changes ARM: tegra: pcie: include board.h ARM: tegra: pcie: don't cast __iomem pointers ARM: tegra: tegra2_clocks: 0 -> NULL changes ARM: tegra: tegra2_clocks: don't cast __iomem pointers ARM: tegra: timer: don't cast __iomem pointers ... Fix up trivial conflicts in arch/arm/mach-omap2/Makefile, arch/arm/mach-u300/{Makefile.boot,core.c} arch/arm/plat-{mxc,omap}/devices.c
Diffstat (limited to 'arch/arm/mach-u300')
-rw-r--r--arch/arm/mach-u300/Kconfig46
-rw-r--r--arch/arm/mach-u300/Makefile.boot17
-rw-r--r--arch/arm/mach-u300/core.c81
-rw-r--r--arch/arm/mach-u300/include/mach/memory.h22
-rw-r--r--arch/arm/mach-u300/u300.c16
5 files changed, 6 insertions, 176 deletions
diff --git a/arch/arm/mach-u300/Kconfig b/arch/arm/mach-u300/Kconfig
index d6e5d306557b..1cbcd4fc1e17 100644
--- a/arch/arm/mach-u300/Kconfig
+++ b/arch/arm/mach-u300/Kconfig
@@ -51,39 +51,12 @@ config MACH_U300_BS365
endchoice
-choice
- prompt "Memory configuration"
- default MACH_U300_SINGLE_RAM
- ---help---
- You have to config the kernel according to the physical memory
- configuration.
-
-config MACH_U300_SINGLE_RAM
- bool "Single RAM"
- help
- Select this if you want support for Single RAM phones.
-
-config MACH_U300_DUAL_RAM
- bool "Dual RAM"
- help
- Select this if you want support for Dual RAM phones.
- This is two RAM memories on different EMIFs.
-endchoice
-
config U300_DEBUG
bool "Debug support for U300"
depends on PM
help
Debug support for U300 in sysfs, procfs etc.
-config MACH_U300_SEMI_IS_SHARED
- bool "The SEMI is used by both the access and application side"
- depends on MACH_U300
- help
- This makes it possible to use the SEMI (Shared External
- Memory Interface) from both from access and application
- side.
-
config MACH_U300_SPIDUMMY
bool "SSP/SPI dummy chip"
select SPI
@@ -96,25 +69,6 @@ config MACH_U300_SPIDUMMY
you don't need it. Selecting this will activate the
SPI framework and ARM PL022 support.
-comment "All the settings below must match the bootloader's settings"
-
-config MACH_U300_ACCESS_MEM_SIZE
- int "Access CPU memory allocation"
- range 7 25
- depends on MACH_U300_SINGLE_RAM
- default 13
- help
- How much memory in MiB that the Access side CPU has allocated
-
-config MACH_U300_2MB_ALIGNMENT_FIX
- bool "2MiB alignment fix"
- depends on MACH_U300_SINGLE_RAM
- default y
- help
- If yes and the Access side CPU has allocated an odd size in
- MiB, this fix gives you one MiB extra that would otherwise be
- lost due to Linux 2 MiB alignment policy.
-
endmenu
endif
diff --git a/arch/arm/mach-u300/Makefile.boot b/arch/arm/mach-u300/Makefile.boot
index 69357affbd77..87811de0bd94 100644
--- a/arch/arm/mach-u300/Makefile.boot
+++ b/arch/arm/mach-u300/Makefile.boot
@@ -1,15 +1,4 @@
-# Note: the following conditions must always be true:
-# ZRELADDR == virt_to_phys(TEXTADDR)
-# PARAMS_PHYS must be within 4MB of ZRELADDR
-# INITRD_PHYS must be in RAM
-
-ifdef CONFIG_MACH_U300_SINGLE_RAM
- zreladdr-y += 0x28E08000
- params_phys-y := 0x28E00100
-else
- zreladdr-y += 0x48008000
- params_phys-y := 0x48000100
-endif
-
+ zreladdr-y += 0x48008000
+params_phys-y := 0x48000100
# This isn't used.
-#initrd_phys-y := 0x29800000
+#initrd_phys-y := 0x48800000
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index f4ad6d2e26f3..ac0791e924bc 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -72,25 +72,6 @@ static struct map_desc u300_io_desc[] __initdata = {
.length = SZ_32K,
.type = MT_DEVICE,
},
- {
- .virtual = 0xffff2000, /* TCM memory */
- .pfn = __phys_to_pfn(0xffff2000),
- .length = SZ_16K,
- .type = MT_DEVICE,
- },
-
- /*
- * This overlaps with the IRQ vectors etc at 0xffff0000, so these
- * may have to be moved to 0x00000000 in order to use the ROM.
- */
- /*
- {
- .virtual = U300_BOOTROM_VIRT_BASE,
- .pfn = __phys_to_pfn(U300_BOOTROM_PHYS_BASE),
- .length = SZ_64K,
- .type = MT_ROM,
- },
- */
};
void __init u300_map_io(void)
@@ -367,51 +348,6 @@ static struct resource wdog_resources[] = {
}
};
-/* TODO: These should be protected by suitable #ifdef's */
-static struct resource ave_resources[] = {
- {
- .name = "AVE3e I/O Area",
- .start = U300_VIDEOENC_BASE,
- .end = U300_VIDEOENC_BASE + SZ_512K - 1,
- .flags = IORESOURCE_MEM,
- },
- {
- .name = "AVE3e IRQ0",
- .start = IRQ_U300_VIDEO_ENC_0,
- .end = IRQ_U300_VIDEO_ENC_0,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "AVE3e IRQ1",
- .start = IRQ_U300_VIDEO_ENC_1,
- .end = IRQ_U300_VIDEO_ENC_1,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "AVE3e Physmem Area",
- .start = 0, /* 0 will be remapped to reserved memory */
- .end = SZ_1M - 1,
- .flags = IORESOURCE_MEM,
- },
- /*
- * The AVE3e requires two regions of 256MB that it considers
- * "invisible". The hardware will not be able to access these
- * addresses, so they should never point to system RAM.
- */
- {
- .name = "AVE3e Reserved 0",
- .start = 0xd0000000,
- .end = 0xd0000000 + SZ_256M - 1,
- .flags = IORESOURCE_MEM,
- },
- {
- .name = "AVE3e Reserved 1",
- .start = 0xe0000000,
- .end = 0xe0000000 + SZ_256M - 1,
- .flags = IORESOURCE_MEM,
- },
-};
-
static struct resource dma_resource[] = {
{
.start = U300_DMAC_BASE,
@@ -1650,13 +1586,6 @@ static struct platform_device nand_device = {
},
};
-static struct platform_device ave_device = {
- .name = "video_enc",
- .id = -1,
- .num_resources = ARRAY_SIZE(ave_resources),
- .resource = ave_resources,
-};
-
static struct platform_device dma_device = {
.name = "coh901318",
.id = -1,
@@ -1747,7 +1676,6 @@ static struct platform_device *platform_devs[] __initdata = {
&gpio_device,
&nand_device,
&wdog_device,
- &ave_device,
&pinmux_device,
};
@@ -1945,17 +1873,10 @@ void __init u300_init_devices(void)
/* Register subdevices on the SPI bus */
u300_spi_register_board_devices();
-#ifndef CONFIG_MACH_U300_SEMI_IS_SHARED
- /*
- * Enable SEMI self refresh. Self-refresh of the SDRAM is entered when
- * both subsystems are requesting this mode.
- * If we not share the Acc SDRAM, this is never the case. Therefore
- * enable it here from the App side.
- */
+ /* Enable SEMI self refresh */
val = readw(U300_SYSCON_VBASE + U300_SYSCON_SMCR) |
U300_SYSCON_SMCR_SEMI_SREFREQ_ENABLE;
writew(val, U300_SYSCON_VBASE + U300_SYSCON_SMCR);
-#endif /* CONFIG_MACH_U300_SEMI_IS_SHARED */
}
static int core_module_init(void)
diff --git a/arch/arm/mach-u300/include/mach/memory.h b/arch/arm/mach-u300/include/mach/memory.h
index 7034bae95de6..c808f347a081 100644
--- a/arch/arm/mach-u300/include/mach/memory.h
+++ b/arch/arm/mach-u300/include/mach/memory.h
@@ -13,25 +13,7 @@
#ifndef __MACH_MEMORY_H
#define __MACH_MEMORY_H
-#ifdef CONFIG_MACH_U300_DUAL_RAM
-
-#define PLAT_PHYS_OFFSET UL(0x48000000)
-#define BOOT_PARAMS_OFFSET 0x100
-
-#else
-
-#ifdef CONFIG_MACH_U300_2MB_ALIGNMENT_FIX
-#define PLAT_PHYS_OFFSET (0x28000000 + \
- (CONFIG_MACH_U300_ACCESS_MEM_SIZE - \
- (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
-#define BOOT_PARAMS_OFFSET (0x100 + \
- (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1)*1024*1024*2)
-#else
-#define PLAT_PHYS_OFFSET (0x28000000 + \
- (CONFIG_MACH_U300_ACCESS_MEM_SIZE + \
- (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
-#define BOOT_PARAMS_OFFSET 0x100
-#endif
-#endif
+#define PLAT_PHYS_OFFSET UL(0x48000000)
+#define BOOT_PARAMS_OFFSET 0x100
#endif
diff --git a/arch/arm/mach-u300/u300.c b/arch/arm/mach-u300/u300.c
index 80e7305589c6..89422ee7f3a8 100644
--- a/arch/arm/mach-u300/u300.c
+++ b/arch/arm/mach-u300/u300.c
@@ -23,21 +23,6 @@
#include <asm/mach/arch.h>
#include <asm/memory.h>
-static void __init u300_reserve(void)
-{
- /*
- * U300 - This platform family can share physical memory
- * between two ARM cpus, one running Linux and the other
- * running another OS.
- */
-#ifdef CONFIG_MACH_U300_SINGLE_RAM
-#if ((CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1) == 1) && \
- CONFIG_MACH_U300_2MB_ALIGNMENT_FIX
- memblock_reserve(PHYS_OFFSET, 0x00100000);
-#endif
-#endif
-}
-
static void __init u300_init_machine(void)
{
u300_init_devices();
@@ -63,7 +48,6 @@ MACHINE_START(U300, MACH_U300_STRING)
/* Maintainer: Linus Walleij <linus.walleij@stericsson.com> */
.atag_offset = BOOT_PARAMS_OFFSET,
.map_io = u300_map_io,
- .reserve = u300_reserve,
.init_irq = u300_init_irq,
.timer = &u300_timer,
.init_machine = u300_init_machine,
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