FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-30 21:46:31 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Few hwmod changes to support upcoming 8250 driver with DMA,

Browse Source 
start using the SRAM driver for some omaps, and update the
 defconfig.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABAgAGBQJUGzhLAAoJEBvUPslcq6VzHcMQAK/WsTqmMgZ6ydOQGzOuyELi
 wLUrSdIHmw6vRYAdgWlXHS9X/F3avqS3tDXjUgW7801prbVn1MvSZ+Re3e862Md9
 GdDpB2Q1fV6J9BFXY8nENkHIf7S86Nnsa5yGh6i6IIPHizmb2jf2KrRRSrsrRVA4
 00PhmTlLaQb4Xuo4WG2PkOF/g10/vBqboRsG8Jhn9QTlBUYByYqNJJ3tKw9gHccr
 UdYe94XjX6HLfenSv/FeWobk1QMnNJdjXmj4obgZtauKku6ZUOA5y41spirry8Rg
 G9d+MJByrwG/2O2Vq71Ap0HSlGN00odlFco1FIUw8K3d5RVYD2VLDE+ROJiFBSKg
 yavCrmZj7aTh+fMZuvprFKo0PBMlqZMCCsokz51MWxql6Unt9eXKbAey40KtAoo6
 Y6Nq4ijdirJTWcdnKjk3dg4Mz6avHRSP+8YqndxNnnI1WS3++aI/GJNT5sCYuDG5
 DezFkKET3DvIpKxHByh+n+H6P8NV3MPQ6vvV2qZAv3mvnDdA109Rgb2XamHKgf6z
 dP76dA05K7/XFCRjZwbSAYJYAA3nU51fPkH1lO79oBwuP8OCqcBo6CAk22lXZupW
 Dkkk+LWhYRAEvExHVEUs6raGJErOrFLtWF3wLkWVjSWZDC+Pb5psHqzGw9ck2Po1
 aI+/ZyHh2P8Nl7X1G7kZ
 =iau9
 -----END PGP SIGNATURE-----

Merge tag 'soc-part2-for-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

Pull "part 2 of omap SoC changes" from Tony Lindgren:

Few hwmod changes to support upcoming 8250 driver with DMA,
start using the SRAM driver for some omaps, and update the
defconfig.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

* tag 'soc-part2-for-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP4+: Remove static iotable mappings for SRAM
  ARM: OMAP4+: Move SRAM data to DT
  ARM: AM335x: Get rid of unused sram init function
  ARM: omap2plus_defconfig: Enable some display features
  ARM: omap2plus_defconfig: Enable battery and reset drivers
  ARM: omap2plus_defconfig: Add support for distros with systemd
  ARM: omap2plus_defconfig: Add cpufreq to defconfig
  ARM: omap2plus_defconfig: Shrink with savedefconfig
  ARM: OMAP3: Use manual idle for UARTs because of DMA errata
  ARM: OMAP2+: Add hwmod flag for HWMOD_RECONFIG_IO_CHAIN
This commit is contained in:
Arnd Bergmann 2014-09-26 00:00:02 +02:00
commit cd95427481
13 changed files with 119 additions and 92 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
Documentation/devicetree/bindings/arm/omap/mpu.txt
View File

@ -10,6 +10,9 @@ Required properties:
Should be "ti,omap5-mpu" for OMAP5
- ti,hwmods: "mpu"
Optional properties:
- sram: Phandle to the ocmcram node
Examples:
- For an OMAP5 SMP system:

5
arch/arm/boot/dts/am33xx.dtsi
View File

@ -726,9 +726,8 @@
};
ocmcram: ocmcram@40300000 {
compatible = "ti,am3352-ocmcram";
reg = <0x40300000 0x10000>;
ti,hwmods = "ocmcram";
compatible = "mmio-sram";
reg = <0x40300000 0x10000>; /* 64k */
};
wkup_m3: wkup_m3@44d00000 {

5
arch/arm/boot/dts/am4372.dtsi
View File

@ -885,6 +885,11 @@
clock-names = "fck";
};
};
ocmcram: ocmcram@40300000 {
compatible = "mmio-sram";
reg = <0x40300000 0x40000>; /* 256k */
};
};
};

6
arch/arm/boot/dts/omap4.dtsi
View File

@ -81,6 +81,7 @@
mpu {
compatible = "ti,omap4-mpu";
ti,hwmods = "mpu";
sram = <&ocmcram>;
};
dsp {
@ -209,6 +210,11 @@
};
};
ocmcram: ocmcram@40304000 {
compatible = "mmio-sram";
reg = <0x40304000 0xa000>; /* 40k */
};
sdma: dma-controller@4a056000 {
compatible = "ti,omap4430-sdma";
reg = <0x4a056000 0x1000>;

8
arch/arm/boot/dts/omap5.dtsi
View File

@ -104,8 +104,9 @@
soc {
compatible = "ti,omap-infra";
mpu {
compatible = "ti,omap5-mpu";
compatible = "ti,omap4-mpu";
ti,hwmods = "mpu";
sram = <&ocmcram>;
};
};
@ -220,6 +221,11 @@
};
};
ocmcram: ocmcram@40300000 {
compatible = "mmio-sram";
reg = <0x40300000 0x20000>; /* 128k */
};
sdma: dma-controller@4a056000 {
compatible = "ti,omap4430-sdma";
reg = <0x4a056000 0x1000>;

79
arch/arm/configs/omap2plus_defconfig
View File

@ -1,11 +1,28 @@
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_FHANDLE=y
CONFIG_AUDIT=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=16
CONFIG_CGROUPS=y
CONFIG_CGROUP_FREEZER=y
CONFIG_CGROUP_DEVICE=y
CONFIG_CPUSETS=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_RESOURCE_COUNTERS=y
CONFIG_MEMCG=y
CONFIG_MEMCG_SWAP=y
CONFIG_MEMCG_KMEM=y
CONFIG_CGROUP_PERF=y
CONFIG_CGROUP_SCHED=y
CONFIG_CFS_BANDWIDTH=y
CONFIG_RT_GROUP_SCHED=y
CONFIG_BLK_CGROUP=y
CONFIG_NAMESPACES=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EXPERT=y
CONFIG_SLAB=y
@ -32,19 +49,26 @@ CONFIG_SOC_OMAP5=y
CONFIG_SOC_AM33XX=y
CONFIG_SOC_AM43XX=y
CONFIG_SOC_DRA7XX=y
CONFIG_CACHE_L2X0=y
CONFIG_ARM_THUMBEE=y
CONFIG_ARM_ERRATA_411920=y
CONFIG_SMP=y
CONFIG_NR_CPUS=2
CONFIG_CMA=y
CONFIG_SECCOMP=y
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZBOOT_ROM_BSS=0x0
CONFIG_ARM_APPENDED_DTB=y
CONFIG_ARM_ATAG_DTB_COMPAT=y
CONFIG_CMDLINE="root=/dev/mmcblk0p2 rootwait console=ttyO2,115200"
CONFIG_KEXEC=y
CONFIG_FPE_NWFPE=y
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_STAT_DETAILS=y
CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
CONFIG_CPU_FREQ_GOV_POWERSAVE=y
CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
CONFIG_GENERIC_CPUFREQ_CPU0=y
# CONFIG_ARM_OMAP2PLUS_CPUFREQ is not set
CONFIG_CPU_IDLE=y
CONFIG_BINFMT_MISC=y
CONFIG_PM_DEBUG=y
@ -61,7 +85,7 @@ CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_IP_PNP_RARP=y
# CONFIG_INET_LRO is not set
# CONFIG_IPV6 is not set
CONFIG_IPV6=y
CONFIG_NETFILTER=y
CONFIG_CAN=m
CONFIG_CAN_C_CAN=m
@ -75,9 +99,6 @@ CONFIG_BT_HCIBCM203X=m
CONFIG_BT_HCIBPA10X=m
CONFIG_CFG80211=m
CONFIG_MAC80211=m
CONFIG_MAC80211_RC_PID=y
CONFIG_MAC80211_RC_DEFAULT_PID=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_DMA_CMA=y
@ -101,9 +122,9 @@ CONFIG_BLK_DEV_RAM_SIZE=16384
CONFIG_SENSORS_TSL2550=m
CONFIG_BMP085_I2C=m
CONFIG_SENSORS_LIS3_I2C=m
CONFIG_SRAM=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_SCSI_MULTI_LUN=y
CONFIG_SCSI_SCAN_ASYNC=y
CONFIG_MD=y
CONFIG_NETDEVICES=y
@ -138,7 +159,9 @@ CONFIG_KEYBOARD_GPIO=y
CONFIG_KEYBOARD_MATRIX=m
CONFIG_KEYBOARD_TWL4030=y
CONFIG_INPUT_TOUCHSCREEN=y
CONFIG_TOUCHSCREEN_ADS7846=y
CONFIG_TOUCHSCREEN_ADS7846=m
CONFIG_TOUCHSCREEN_TSC2005=m
CONFIG_TOUCHSCREEN_TSC2007=m
CONFIG_INPUT_MISC=y
CONFIG_INPUT_TWL4030_PWRBUTTON=y
# CONFIG_LEGACY_PTYS is not set
@ -162,7 +185,13 @@ CONFIG_DEBUG_GPIO=y
CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_TWL4030=y
CONFIG_W1=y
CONFIG_POWER_SUPPLY=y
CONFIG_BATTERY_BQ27x00=m
CONFIG_CHARGER_ISP1704=m
CONFIG_CHARGER_TWL4030=m
CONFIG_CHARGER_BQ2415X=m
CONFIG_CHARGER_BQ24190=m
CONFIG_CHARGER_BQ24735=m
CONFIG_POWER_RESET=y
CONFIG_POWER_AVS=y
CONFIG_SENSORS_LM75=m
CONFIG_THERMAL=y
@ -183,8 +212,8 @@ CONFIG_MFD_TPS65217=y
CONFIG_MFD_TPS65218=y
CONFIG_MFD_TPS65910=y
CONFIG_TWL6040_CORE=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_REGULATOR_PALMAS=y
CONFIG_REGULATOR_PBIAS=y
CONFIG_REGULATOR_TI_ABB=y
CONFIG_REGULATOR_TPS65023=y
CONFIG_REGULATOR_TPS6507X=y
@ -192,12 +221,12 @@ CONFIG_REGULATOR_TPS65217=y
CONFIG_REGULATOR_TPS65218=y
CONFIG_REGULATOR_TPS65910=y
CONFIG_REGULATOR_TWL4030=y
CONFIG_REGULATOR_PBIAS=y
CONFIG_FB=y
CONFIG_FIRMWARE_EDID=y
CONFIG_FB_MODE_HELPERS=y
CONFIG_FB_TILEBLITTING=y
CONFIG_OMAP2_DSS=m
CONFIG_OMAP5_DSS_HDMI=y
CONFIG_OMAP2_DSS_SDI=y
CONFIG_OMAP2_DSS_DSI=y
CONFIG_FB_OMAP2=m
@ -205,11 +234,25 @@ CONFIG_DISPLAY_ENCODER_TFP410=m
CONFIG_DISPLAY_ENCODER_TPD12S015=m
CONFIG_DISPLAY_CONNECTOR_DVI=m
CONFIG_DISPLAY_CONNECTOR_HDMI=m
CONFIG_DISPLAY_CONNECTOR_ANALOG_TV=m
CONFIG_DISPLAY_PANEL_DPI=m
CONFIG_DISPLAY_PANEL_DSI_CM=m
CONFIG_DISPLAY_PANEL_SONY_ACX565AKM=m
CONFIG_DISPLAY_PANEL_LGPHILIPS_LB035Q02=m
CONFIG_DISPLAY_PANEL_SHARP_LS037V7DW01=m
CONFIG_DISPLAY_PANEL_TPO_TD028TTEC1=m
CONFIG_DISPLAY_PANEL_TPO_TD043MTEA1=m
CONFIG_DISPLAY_PANEL_NEC_NL8048HL11=m
CONFIG_BACKLIGHT_LCD_SUPPORT=y
CONFIG_LCD_CLASS_DEVICE=y
CONFIG_LCD_PLATFORM=y
CONFIG_BACKLIGHT_CLASS_DEVICE=y
CONFIG_BACKLIGHT_GENERIC=m
CONFIG_BACKLIGHT_PWM=m
CONFIG_BACKLIGHT_PANDORA=m
CONFIG_BACKLIGHT_GPIO=m
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
CONFIG_LOGO=y
CONFIG_SOUND=m
@ -221,8 +264,6 @@ CONFIG_SND_DEBUG=y
CONFIG_SND_USB_AUDIO=m
CONFIG_SND_SOC=m
CONFIG_SND_OMAP_SOC=m
CONFIG_SND_AM33XX_SOC_EVM=m
CONFIG_SND_DAVINCI_SOC=m
CONFIG_SND_OMAP_SOC_OMAP_TWL4030=m
CONFIG_SND_OMAP_SOC_OMAP_ABE_TWL6040=m
CONFIG_SND_OMAP_SOC_OMAP3_PANDORA=m
@ -233,9 +274,6 @@ CONFIG_USB_WDM=y
CONFIG_USB_STORAGE=y
CONFIG_USB_DWC3=m
CONFIG_USB_TEST=y
CONFIG_NOP_USB_XCEIV=y
CONFIG_OMAP_USB2=y
CONFIG_TI_PIPE3=y
CONFIG_AM335X_PHY_USB=y
CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_DEBUG=y
@ -243,7 +281,6 @@ CONFIG_USB_GADGET_DEBUG_FILES=y
CONFIG_USB_GADGET_DEBUG_FS=y
CONFIG_USB_ZERO=m
CONFIG_MMC=y
CONFIG_MMC_UNSAFE_RESUME=y
CONFIG_SDIO_UART=y
CONFIG_MMC_OMAP=y
CONFIG_MMC_OMAP_HS=y
@ -267,15 +304,23 @@ CONFIG_TI_EDMA=y
CONFIG_DMA_OMAP=y
CONFIG_EXTCON=y
CONFIG_EXTCON_PALMAS=y
CONFIG_PWM=y
CONFIG_PWM_TWL=y
CONFIG_PWM_TWL_LED=y
CONFIG_OMAP_USB2=y
CONFIG_TI_PIPE3=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
# CONFIG_EXT3_FS_XATTR is not set
CONFIG_EXT4_FS=y
CONFIG_FANOTIFY=y
CONFIG_QUOTA=y
CONFIG_QFMT_V2=y
CONFIG_AUTOFS4_FS=y
CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_JFFS2_FS=y
CONFIG_JFFS2_SUMMARY=y
CONFIG_JFFS2_FS_XATTR=y

17
arch/arm/mach-omap2/io.c
View File

@ -231,15 +231,6 @@ static struct map_desc omap44xx_io_desc[] __initdata = {
.length = L4_PER_44XX_SIZE,
.type = MT_DEVICE,
},
#ifdef CONFIG_OMAP4_ERRATA_I688
{
.virtual = OMAP4_SRAM_VA,
.pfn = __phys_to_pfn(OMAP4_SRAM_PA),
.length = PAGE_SIZE,
.type = MT_MEMORY_RW_SO,
},
#endif
};
#endif
@ -269,14 +260,6 @@ static struct map_desc omap54xx_io_desc[] __initdata = {
.length = L4_PER_54XX_SIZE,
.type = MT_DEVICE,
},
#ifdef CONFIG_OMAP4_ERRATA_I688
{
.virtual = OMAP4_SRAM_VA,
.pfn = __phys_to_pfn(OMAP4_SRAM_PA),
.length = PAGE_SIZE,
.type = MT_MEMORY_RW_SO,
},
#endif
};
#endif

22
arch/arm/mach-omap2/omap4-common.c
View File

@ -25,6 +25,7 @@
#include <linux/irqchip/irq-crossbar.h>
#include <linux/of_address.h>
#include <linux/reboot.h>
#include <linux/genalloc.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/mach/map.h>
@ -71,6 +72,26 @@ void omap_bus_sync(void)
}
EXPORT_SYMBOL(omap_bus_sync);
static int __init omap4_sram_init(void)
{
struct device_node *np;
struct gen_pool *sram_pool;
np = of_find_compatible_node(NULL, NULL, "ti,omap4-mpu");
if (!np)
pr_warn("%s:Unable to allocate sram needed to handle errata I688\n",
__func__);
sram_pool = of_get_named_gen_pool(np, "sram", 0);
if (!sram_pool)
pr_warn("%s:Unable to get sram pool needed to handle errata I688\n",
__func__);
else
sram_sync = (void *)gen_pool_alloc(sram_pool, PAGE_SIZE);
return 0;
}
omap_arch_initcall(omap4_sram_init);
/* Steal one page physical memory for barrier implementation */
int __init omap_barrier_reserve_memblock(void)
{
@ -91,7 +112,6 @@ void __init omap_barriers_init(void)
dram_io_desc[0].type = MT_MEMORY_RW_SO;
iotable_init(dram_io_desc, ARRAY_SIZE(dram_io_desc));
dram_sync = (void __iomem *) dram_io_desc[0].virtual;
sram_sync = (void __iomem *) OMAP4_SRAM_VA;
pr_info("OMAP4: Map 0x%08llx to 0x%08lx for dram barrier\n",
(long long) paddr, dram_io_desc[0].virtual);

4
arch/arm/mach-omap2/omap_hwmod.c
View File

@ -2185,7 +2185,7 @@ static int _enable(struct omap_hwmod *oh)
oh->mux->pads_dynamic))) {
omap_hwmod_mux(oh->mux, _HWMOD_STATE_ENABLED);
_reconfigure_io_chain();
} else if (oh->flags & HWMOD_FORCE_MSTANDBY) {
} else if (oh->flags & HWMOD_RECONFIG_IO_CHAIN) {
_reconfigure_io_chain();
}
@ -2293,7 +2293,7 @@ static int _idle(struct omap_hwmod *oh)
if (oh->mux && oh->mux->pads_dynamic) {
omap_hwmod_mux(oh->mux, _HWMOD_STATE_IDLE);
_reconfigure_io_chain();
} else if (oh->flags & HWMOD_FORCE_MSTANDBY) {
} else if (oh->flags & HWMOD_RECONFIG_IO_CHAIN) {
_reconfigure_io_chain();
}

4
arch/arm/mach-omap2/omap_hwmod.h
View File

@ -514,6 +514,9 @@ struct omap_hwmod_omap4_prcm {
* HWMOD_SWSUP_SIDLE_ACT: omap_hwmod code should manually bring the module
* out of idle, but rely on smart-idle to the put it back in idle,
* so the wakeups are still functional (Only known case for now is UART)
* HWMOD_RECONFIG_IO_CHAIN: omap_hwmod code needs to reconfigure wake-up
* events by calling _reconfigure_io_chain() when a device is enabled
* or idled.
*/
#define HWMOD_SWSUP_SIDLE (1 << 0)
#define HWMOD_SWSUP_MSTANDBY (1 << 1)
@ -528,6 +531,7 @@ struct omap_hwmod_omap4_prcm {
#define HWMOD_BLOCK_WFI (1 << 10)
#define HWMOD_FORCE_MSTANDBY (1 << 11)
#define HWMOD_SWSUP_SIDLE_ACT (1 << 12)
#define HWMOD_RECONFIG_IO_CHAIN (1 << 13)
/*
* omap_hwmod._int_flags definitions

12
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
View File

@ -490,7 +490,7 @@ static struct omap_hwmod omap3xxx_uart1_hwmod = {
.mpu_irqs = omap2_uart1_mpu_irqs,
.sdma_reqs = omap2_uart1_sdma_reqs,
.main_clk = "uart1_fck",
.flags = DEBUG_TI81XXUART1_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
.flags = DEBUG_TI81XXUART1_FLAGS | HWMOD_SWSUP_SIDLE,
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
@ -509,7 +509,7 @@ static struct omap_hwmod omap3xxx_uart2_hwmod = {
.mpu_irqs = omap2_uart2_mpu_irqs,
.sdma_reqs = omap2_uart2_sdma_reqs,
.main_clk = "uart2_fck",
.flags = DEBUG_TI81XXUART2_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
.flags = DEBUG_TI81XXUART2_FLAGS | HWMOD_SWSUP_SIDLE,
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
@ -529,7 +529,7 @@ static struct omap_hwmod omap3xxx_uart3_hwmod = {
.sdma_reqs = omap2_uart3_sdma_reqs,
.main_clk = "uart3_fck",
.flags = DEBUG_OMAP3UART3_FLAGS | DEBUG_TI81XXUART3_FLAGS |
HWMOD_SWSUP_SIDLE_ACT,
HWMOD_SWSUP_SIDLE,
.prcm = {
.omap2 = {
.module_offs = OMAP3430_PER_MOD,
@ -559,7 +559,7 @@ static struct omap_hwmod omap36xx_uart4_hwmod = {
.mpu_irqs = uart4_mpu_irqs,
.sdma_reqs = uart4_sdma_reqs,
.main_clk = "uart4_fck",
.flags = DEBUG_OMAP3UART4_FLAGS | HWMOD_SWSUP_SIDLE_ACT,
.flags = DEBUG_OMAP3UART4_FLAGS | HWMOD_SWSUP_SIDLE,
.prcm = {
.omap2 = {
.module_offs = OMAP3430_PER_MOD,
@ -1730,8 +1730,8 @@ static struct omap_hwmod omap3xxx_usbhsotg_hwmod = {
* Note that musb has OTG_FORCESTDBY register that controls MSTANDBY
* signal when MIDLEMODE is set to force-idle.
*/
.flags = HWMOD_NO_OCP_AUTOIDLE | HWMOD_SWSUP_SIDLE
| HWMOD_FORCE_MSTANDBY,
.flags = HWMOD_NO_OCP_AUTOIDLE | HWMOD_SWSUP_SIDLE |
HWMOD_FORCE_MSTANDBY | HWMOD_RECONFIG_IO_CHAIN,
};
/* usb_otg_hs */

39
arch/arm/mach-omap2/sram.c
View File

@ -32,12 +32,6 @@
#define OMAP2_SRAM_PUB_PA (OMAP2_SRAM_PA + 0xf800)
#define OMAP3_SRAM_PUB_PA (OMAP3_SRAM_PA + 0x8000)
#ifdef CONFIG_OMAP4_ERRATA_I688
#define OMAP4_SRAM_PUB_PA OMAP4_SRAM_PA
#else
#define OMAP4_SRAM_PUB_PA (OMAP4_SRAM_PA + 0x4000)
#endif
#define OMAP5_SRAM_PA 0x40300000
#define SRAM_BOOTLOADER_SZ 0x00
@ -105,32 +99,14 @@ static void __init omap_detect_sram(void)
} else {
omap_sram_size = 0x8000; /* 32K */
}
} else if (cpu_is_omap44xx()) {
omap_sram_start = OMAP4_SRAM_PUB_PA;
omap_sram_size = 0xa000; /* 40K */
} else if (soc_is_omap54xx()) {
omap_sram_start = OMAP5_SRAM_PA;
omap_sram_size = SZ_128K; /* 128KB */
} else {
omap_sram_start = OMAP2_SRAM_PUB_PA;
omap_sram_size = 0x800; /* 2K */
}
} else {
if (soc_is_am33xx()) {
omap_sram_start = AM33XX_SRAM_PA;
omap_sram_size = 0x10000; /* 64K */
} else if (soc_is_am43xx()) {
omap_sram_start = AM33XX_SRAM_PA;
omap_sram_size = SZ_256K;
} else if (cpu_is_omap34xx()) {
if (cpu_is_omap34xx()) {
omap_sram_start = OMAP3_SRAM_PA;
omap_sram_size = 0x10000; /* 64K */
} else if (cpu_is_omap44xx()) {
omap_sram_start = OMAP4_SRAM_PA;
omap_sram_size = 0xe000; /* 56K */
} else if (soc_is_omap54xx()) {
omap_sram_start = OMAP5_SRAM_PA;
omap_sram_size = SZ_128K; /* 128KB */
} else {
omap_sram_start = OMAP2_SRAM_PA;
if (cpu_is_omap242x())
@ -148,12 +124,6 @@ static void __init omap2_map_sram(void)
{
int cached = 1;
#ifdef CONFIG_OMAP4_ERRATA_I688
if (cpu_is_omap44xx()) {
omap_sram_start += PAGE_SIZE;
omap_sram_size -= SZ_16K;
}
#endif
if (cpu_is_omap34xx()) {
/*
* SRAM must be marked as non-cached on OMAP3 since the
@ -285,11 +255,6 @@ static inline int omap34xx_sram_init(void)
}
#endif /* CONFIG_ARCH_OMAP3 */
static inline int am33xx_sram_init(void)
{
return 0;
}
int __init omap_sram_init(void)
{
omap_detect_sram();
@ -299,8 +264,6 @@ int __init omap_sram_init(void)
omap242x_sram_init();
else if (cpu_is_omap2430())
omap243x_sram_init();
else if (soc_is_am33xx())
am33xx_sram_init();
else if (cpu_is_omap34xx())
omap34xx_sram_init();

7
arch/arm/mach-omap2/sram.h
View File

@ -74,10 +74,3 @@ static inline void omap_push_sram_idle(void) {}
*/
#define OMAP2_SRAM_PA 0x40200000
#define OMAP3_SRAM_PA 0x40200000
#ifdef CONFIG_OMAP4_ERRATA_I688
#define OMAP4_SRAM_PA 0x40304000
#define OMAP4_SRAM_VA 0xfe404000
#else
#define OMAP4_SRAM_PA 0x40300000
#endif
#define AM33XX_SRAM_PA 0x40300000