[GIT PULL] Blackfin arch and serial driver fixing for 2.6.25-rc4
From: Bryan Wu
Date: Thu Feb 28 2008 - 23:36:58 EST
Hi Linus,
Please pull from 'for-linus' branch of
master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6.git for-linus
to receive the following updates:
- Blackfin arch bug fixing
- Blackfin serial driver bug fixing, which sent out for LKML before.
MAINTAINERS | 4 +-
arch/blackfin/Makefile | 5 +-
arch/blackfin/configs/BF527-EZKIT_defconfig | 18 +-
arch/blackfin/configs/BF533-EZKIT_defconfig | 6 +-
arch/blackfin/configs/BF533-STAMP_defconfig | 6 +-
arch/blackfin/configs/BF537-STAMP_defconfig | 6 +-
arch/blackfin/configs/BF548-EZKIT_defconfig | 2 +
arch/blackfin/configs/BF561-EZKIT_defconfig | 1 +
arch/blackfin/kernel/bfin_dma_5xx.c | 15 +-
arch/blackfin/kernel/gptimers.c | 8 +-
arch/blackfin/kernel/setup.c | 5 +-
arch/blackfin/kernel/vmlinux.lds.S | 34 ++-
arch/blackfin/mach-bf527/boards/ezkit.c | 60 +++---
arch/blackfin/mach-bf533/boards/ezkit.c | 21 ++-
arch/blackfin/mach-bf533/boards/stamp.c | 43 ++--
arch/blackfin/mach-bf537/boards/generic_board.c | 18 --
arch/blackfin/mach-bf537/boards/stamp.c | 45 ++--
arch/blackfin/mach-bf548/boards/ezkit.c | 25 ++-
arch/blackfin/mach-bf548/dma.c | 2 +
arch/blackfin/mach-bf548/head.S | 9 +-
arch/blackfin/mach-bf561/boards/ezkit.c | 16 ++-
arch/blackfin/mach-common/dpmc.S | 137 +----------
arch/blackfin/mach-common/ints-priority.c | 174 +++++--------
arch/blackfin/mm/init.c | 4 +-
drivers/serial/Kconfig | 6 +-
drivers/serial/bfin_5xx.c | 281 ++++++++++-----------
include/asm-blackfin/gptimers.h | 7 +-
include/asm-blackfin/irq.h | 2 +
include/asm-blackfin/mach-bf527/bfin_serial_5xx.h | 22 ++-
include/asm-blackfin/mach-bf533/bfin_serial_5xx.h | 24 ++-
include/asm-blackfin/mach-bf537/bfin_serial_5xx.h | 22 ++-
include/asm-blackfin/mach-bf548/bfin_serial_5xx.h | 7 +-
include/asm-blackfin/mach-bf561/bfin_serial_5xx.h | 24 ++-
include/asm-blackfin/mach-bf561/blackfin.h | 3 +-
include/asm-blackfin/mach-bf561/cdefBF561.h | 2 +
35 files changed, 504 insertions(+), 560 deletions(-)
Bryan Wu (2):
[MAINTAINERS] use new kernel.org email for kernel development.
[Blackfin] arch: kill section mismatch warnings
Michael Hennerich (6):
[Blackfin] arch: fix bug - Move IWR Enable All to the end of
init_arch_irq otherwise it fails
[Blackfin] arch: fix bug - linux-2.6.24 (delayed) disable IRQ
feature not functional for handle_simple_irq
[Blackfin] arch: Cleanup abd Simplify:
[Blackfin] arch: Remove DPMC char driver option
[Blackfin] arch: Fix CONFIG_PM support for BF561
[Blackfin] serial driver: ADSP-BF52x arch/mach support
Mike Frysinger (15):
[Blackfin] arch: fix bug add missing header file
[Blackfin] arch: respect `make -s` when creating the asm/mach symlink
[Blackfin] arch: add handling for the mach symlink in the `make V=1` case
[Blackfin] arch: add fixed code to the memory map output
[Blackfin] arch: fix bug - set right partition size in the board files
[Blackfin] arch: add board resources for new simple-gpio char driver
[Blackfin] arch: grab mac address from OTP on BF527-EZKIT
[Blackfin] arch: punt the simple ad5304 spi driver now that the
generic spidev driver lets you do it from userspace
[Blackfin] arch: make sure we export the _bfin_swrst symbol as
modules (like the watchdog) need it
[Blackfin] arch: make sure we have proper
description/copyright/license lines
[Blackfin] arch: add bfin_clear_PPIx_STATUS() helper funcs like
we have for other parts
[Blackfin] arch: handle the most common L1 shrinkage case (L1
does not exist for a part) so that any parts labeled for L1 instead
get placed into external memory sections
[Blackfin] serial driver: fix bug - cache the bits of the LSR on
systems where the LSR is read-to-clear
[Blackfin] serial driver: rework break flood anomaly handling to
be more robust/realistic about what we can actually work around
[Blackfin] serial driver: use simpler comment headers and strip
out information that is maintained in the scm's log
Sonic Zhang (12):
[Blackfin] arch: Update default config
[Blackfin] arch: Fix bug - Setting peripheral_map only when dma
channel is UART2/3.
Blackfin Serial driver: Fix bug - serial driver in PIO mode cant
handle input very quickly
[Blackfin] serial driver: Clean up UART DMA code.
[Blackfin] serial driver: Fix bug Free rx dma buffer in shutdown.
[Blackfin] serial driver: Fix bug serial driver in DMA mode
spams history to console on shell restart
[Blackfin] serial driver: fix bug - should not wait for the TFI
bit, just clear it when tx stop.
[Blackfin] serial driver: Fix bug Poll RTS/CTS status in DMA mode as well
[Blackfin] serial driver: Add flow control support to bf54x
Blackfin Serial Driver: Fix bug - Increase buffer tail
immediately before starting tx dma.
Blackfin Serial Driver: Fix bug - update tx dma buffer tail
before wake up processes.
Blackfin Serial Driver: Fix bug - Only insert UART rx char in timer task.
diff --git a/MAINTAINERS b/MAINTAINERS
index 36c7bc6..8ef8c01 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -767,14 +767,14 @@ S: Maintained
BLACKFIN ARCHITECTURE
P: Bryan Wu
-M: bryan.wu@xxxxxxxxxx
+M: cooloney@xxxxxxxxxx
L: uclinux-dist-devel@xxxxxxxxxxxxxxxxxxxx (subscribers-only)
W: http://blackfin.uclinux.org
S: Supported
BLACKFIN EMAC DRIVER
P: Bryan Wu
-M: bryan.wu@xxxxxxxxxx
+M: cooloney@xxxxxxxxxx
L: uclinux-dist-devel@xxxxxxxxxxxxxxxxxxxx (subscribers-only)
W: http://blackfin.uclinux.org
S: Supported
diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile
index fe254f8..75eba2c 100644
--- a/arch/blackfin/Makefile
+++ b/arch/blackfin/Makefile
@@ -98,8 +98,11 @@ drivers-$(CONFIG_OPROFILE) += arch/$(ARCH)/oprofile/
# them changed. We use .mach to indicate when they were updated
# last, otherwise make uses the target directory mtime.
+ show_mach_symlink = :
+ quiet_show_mach_symlink = echo ' SYMLINK
include/asm-$(ARCH)/mach-$(MACHINE) -> include/asm-$(ARCH)/mach'
+silent_show_mach_symlink = :
include/asm-blackfin/.mach: $(wildcard include/config/arch/*.h)
include/config/auto.conf
- @echo ' SYMLINK include/asm-$(ARCH)/mach-$(MACHINE) ->
include/asm-$(ARCH)/mach'
+ @$($(quiet)show_mach_symlink)
ifneq ($(KBUILD_SRC),)
$(Q)mkdir -p include/asm-$(ARCH)
$(Q)ln -fsn $(srctree)/include/asm-$(ARCH)/mach-$(MACHINE)
include/asm-$(ARCH)/mach
diff --git a/arch/blackfin/configs/BF527-EZKIT_defconfig
b/arch/blackfin/configs/BF527-EZKIT_defconfig
index d59ee15..ae320dc 100644
--- a/arch/blackfin/configs/BF527-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF527-EZKIT_defconfig
@@ -1,7 +1,6 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.22.14
-# Thu Nov 29 17:32:47 2007
+# Linux kernel version: 2.6.22.16
#
# CONFIG_MMU is not set
# CONFIG_FPU is not set
@@ -116,7 +115,10 @@ CONFIG_PREEMPT_VOLUNTARY=y
# Processor and Board Settings
#
# CONFIG_BF522 is not set
+# CONFIG_BF523 is not set
+# CONFIG_BF524 is not set
# CONFIG_BF525 is not set
+# CONFIG_BF526 is not set
CONFIG_BF527=y
# CONFIG_BF531 is not set
# CONFIG_BF532 is not set
@@ -306,6 +308,7 @@ CONFIG_BFIN_DCACHE=y
# CONFIG_BFIN_WB is not set
CONFIG_BFIN_WT=y
CONFIG_L1_MAX_PIECE=16
+# CONFIG_MPU is not set
#
# Asynchonous Memory Configuration
@@ -354,6 +357,7 @@ CONFIG_BINFMT_ZFLAT=y
# Power management options
#
# CONFIG_PM is not set
+# CONFIG_PM_WAKEUP_BY_GPIO is not set
#
# Networking
@@ -496,7 +500,6 @@ CONFIG_MTD_CFI_I2=y
# CONFIG_MTD_CFI_INTELEXT is not set
# CONFIG_MTD_CFI_AMDSTD is not set
# CONFIG_MTD_CFI_STAA is not set
-CONFIG_MTD_MW320D=m
CONFIG_MTD_RAM=y
CONFIG_MTD_ROM=m
# CONFIG_MTD_ABSENT is not set
@@ -506,9 +509,6 @@ CONFIG_MTD_ROM=m
#
CONFIG_MTD_COMPLEX_MAPPINGS=y
# CONFIG_MTD_PHYSMAP is not set
-CONFIG_MTD_BF5xx=m
-CONFIG_BFIN_FLASH_SIZE=0x400000
-CONFIG_EBIU_FLASH_BASE=0x20000000
# CONFIG_MTD_UCLINUX is not set
# CONFIG_MTD_PLATRAM is not set
@@ -684,7 +684,6 @@ CONFIG_INPUT_MISC=y
# CONFIG_INPUT_POWERMATE is not set
# CONFIG_INPUT_YEALINK is not set
# CONFIG_INPUT_UINPUT is not set
-# CONFIG_BF53X_PFBUTTONS is not set
# CONFIG_TWI_KEYPAD is not set
#
@@ -702,12 +701,12 @@ CONFIG_INPUT_MISC=y
# CONFIG_BF5xx_PPIFCD is not set
# CONFIG_BFIN_SIMPLE_TIMER is not set
# CONFIG_BF5xx_PPI is not set
+CONFIG_BFIN_OTP=y
+# CONFIG_BFIN_OTP_WRITE_ENABLE is not set
# CONFIG_BFIN_SPORT is not set
# CONFIG_BFIN_TIMER_LATENCY is not set
# CONFIG_TWI_LCD is not set
# CONFIG_AD5304 is not set
-# CONFIG_BF5xx_TEA5764 is not set
-# CONFIG_BF5xx_FBDMA is not set
# CONFIG_VT is not set
# CONFIG_SERIAL_NONSTANDARD is not set
@@ -772,7 +771,6 @@ CONFIG_I2C_CHARDEV=m
#
# I2C Hardware Bus support
#
-# CONFIG_I2C_BLACKFIN_GPIO is not set
CONFIG_I2C_BLACKFIN_TWI=m
CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=50
# CONFIG_I2C_GPIO is not set
diff --git a/arch/blackfin/configs/BF533-EZKIT_defconfig
b/arch/blackfin/configs/BF533-EZKIT_defconfig
index 811711f..9621caa 100644
--- a/arch/blackfin/configs/BF533-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF533-EZKIT_defconfig
@@ -322,10 +322,9 @@ CONFIG_PM=y
# CONFIG_PM_LEGACY is not set
# CONFIG_PM_DEBUG is not set
# CONFIG_PM_SYSFS_DEPRECATED is not set
-CONFIG_PM_WAKEUP_GPIO_BY_SIC_IWR=y
+CONFIG_PM_BFIN_SLEEP_DEEPER=y
+# CONFIG_PM_BFIN_SLEEP is not set
# CONFIG_PM_WAKEUP_BY_GPIO is not set
-# CONFIG_PM_WAKEUP_GPIO_API is not set
-CONFIG_PM_WAKEUP_SIC_IWR=0x80
#
# CPU Frequency scaling
@@ -697,7 +696,6 @@ CONFIG_SERIAL_BFIN_DMA=y
# CONFIG_SERIAL_BFIN_PIO is not set
CONFIG_SERIAL_BFIN_UART0=y
# CONFIG_BFIN_UART0_CTSRTS is not set
-# CONFIG_SERIAL_BFIN_UART1 is not set
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_BFIN_SPORT is not set
diff --git a/arch/blackfin/configs/BF533-STAMP_defconfig
b/arch/blackfin/configs/BF533-STAMP_defconfig
index 198f412..b51e76c 100644
--- a/arch/blackfin/configs/BF533-STAMP_defconfig
+++ b/arch/blackfin/configs/BF533-STAMP_defconfig
@@ -323,10 +323,9 @@ CONFIG_PM=y
# CONFIG_PM_LEGACY is not set
# CONFIG_PM_DEBUG is not set
# CONFIG_PM_SYSFS_DEPRECATED is not set
-CONFIG_PM_WAKEUP_GPIO_BY_SIC_IWR=y
+CONFIG_PM_BFIN_SLEEP_DEEPER=y
+# CONFIG_PM_BFIN_SLEEP is not set
# CONFIG_PM_WAKEUP_BY_GPIO is not set
-# CONFIG_PM_WAKEUP_GPIO_API is not set
-CONFIG_PM_WAKEUP_SIC_IWR=0x80
#
# CPU Frequency scaling
@@ -714,7 +713,6 @@ CONFIG_SERIAL_BFIN_DMA=y
# CONFIG_SERIAL_BFIN_PIO is not set
CONFIG_SERIAL_BFIN_UART0=y
# CONFIG_BFIN_UART0_CTSRTS is not set
-# CONFIG_SERIAL_BFIN_UART1 is not set
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_BFIN_SPORT is not set
diff --git a/arch/blackfin/configs/BF537-STAMP_defconfig
b/arch/blackfin/configs/BF537-STAMP_defconfig
index b37ccc6..d45fa53 100644
--- a/arch/blackfin/configs/BF537-STAMP_defconfig
+++ b/arch/blackfin/configs/BF537-STAMP_defconfig
@@ -330,10 +330,9 @@ CONFIG_PM=y
# CONFIG_PM_LEGACY is not set
# CONFIG_PM_DEBUG is not set
# CONFIG_PM_SYSFS_DEPRECATED is not set
-CONFIG_PM_WAKEUP_GPIO_BY_SIC_IWR=y
+CONFIG_PM_BFIN_SLEEP_DEEPER=y
+# CONFIG_PM_BFIN_SLEEP is not set
# CONFIG_PM_WAKEUP_BY_GPIO is not set
-# CONFIG_PM_WAKEUP_GPIO_API is not set
-CONFIG_PM_WAKEUP_SIC_IWR=0x8
#
# CPU Frequency scaling
@@ -1013,6 +1012,7 @@ CONFIG_SND_BFIN_AD73311_SE=4
CONFIG_SND_SOC_AC97_BUS=y
CONFIG_SND_SOC=m
CONFIG_SND_BF5XX_SOC=m
+CONFIG_SND_MMAP_SUPPORT=y
CONFIG_SND_BF5XX_SOC_AC97=m
# CONFIG_SND_BF5XX_SOC_WM8750 is not set
# CONFIG_SND_BF5XX_SOC_WM8731 is not set
diff --git a/arch/blackfin/configs/BF548-EZKIT_defconfig
b/arch/blackfin/configs/BF548-EZKIT_defconfig
index fd70216..c9707f7 100644
--- a/arch/blackfin/configs/BF548-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF548-EZKIT_defconfig
@@ -396,6 +396,7 @@ CONFIG_BINFMT_ZFLAT=y
# Power management options
#
# CONFIG_PM is not set
+# CONFIG_PM_WAKEUP_BY_GPIO is not set
#
# CPU Frequency scaling
@@ -1075,6 +1076,7 @@ CONFIG_SND_VERBOSE_PROCFS=y
CONFIG_SND_SOC_AC97_BUS=y
CONFIG_SND_SOC=y
CONFIG_SND_BF5XX_SOC=y
+CONFIG_SND_MMAP_SUPPORT=y
CONFIG_SND_BF5XX_SOC_AC97=y
CONFIG_SND_BF5XX_SOC_BF548_EZKIT=y
# CONFIG_SND_BF5XX_SOC_WM8750 is not set
diff --git a/arch/blackfin/configs/BF561-EZKIT_defconfig
b/arch/blackfin/configs/BF561-EZKIT_defconfig
index 8546994..4d8a633 100644
--- a/arch/blackfin/configs/BF561-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF561-EZKIT_defconfig
@@ -367,6 +367,7 @@ CONFIG_BINFMT_ZFLAT=y
# Power management options
#
# CONFIG_PM is not set
+# CONFIG_PM_WAKEUP_BY_GPIO is not set
#
# Networking
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c
b/arch/blackfin/kernel/bfin_dma_5xx.c
index 5453bc3..8fd5d22 100644
--- a/arch/blackfin/kernel/bfin_dma_5xx.c
+++ b/arch/blackfin/kernel/bfin_dma_5xx.c
@@ -105,13 +105,14 @@ int request_dma(unsigned int channel, char *device_id)
mutex_unlock(&(dma_ch[channel].dmalock));
#ifdef CONFIG_BF54x
- if (channel >= CH_UART2_RX && channel <= CH_UART3_TX &&
- strncmp(device_id, "BFIN_UART", 9) == 0)
- dma_ch[channel].regs->peripheral_map |=
- (channel - CH_UART2_RX + 0xC);
- else
- dma_ch[channel].regs->peripheral_map |=
- (channel - CH_UART2_RX + 0x6);
+ if (channel >= CH_UART2_RX && channel <= CH_UART3_TX) {
+ if (strncmp(device_id, "BFIN_UART", 9) == 0)
+ dma_ch[channel].regs->peripheral_map |=
+ (channel - CH_UART2_RX + 0xC);
+ else
+ dma_ch[channel].regs->peripheral_map |=
+ (channel - CH_UART2_RX + 0x6);
+ }
#endif
dma_ch[channel].device_id = device_id;
diff --git a/arch/blackfin/kernel/gptimers.c b/arch/blackfin/kernel/gptimers.c
index 5cf4bdb..1904d8b 100644
--- a/arch/blackfin/kernel/gptimers.c
+++ b/arch/blackfin/kernel/gptimers.c
@@ -1,9 +1,9 @@
/*
- * bfin_gptimers.c - derived from bf53x_timers.c
- * Driver for General Purpose Timer functions on the Blackfin processor
+ * gptimers.c - Blackfin General Purpose Timer core API
*
- * Copyright (C) 2005 John DeHority
- * Copyright (C) 2006 Hella Aglaia GmbH (awe@xxxxxxxxxxxxxx)
+ * Copyright (c) 2005-2008 Analog Devices Inc.
+ * Copyright (C) 2005 John DeHority
+ * Copyright (C) 2006 Hella Aglaia GmbH (awe@xxxxxxxxxxxxxx)
*
* Licensed under the GPLv2.
*/
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 8229b10..2255c28 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -32,6 +32,7 @@
static DEFINE_PER_CPU(struct cpu, cpu_devices);
u16 _bfin_swrst;
+EXPORT_SYMBOL(_bfin_swrst);
unsigned long memory_start, memory_end, physical_mem_end;
unsigned long reserved_mem_dcache_on;
@@ -514,6 +515,7 @@ static __init void memory_setup(void)
printk(KERN_INFO "Kernel Managed Memory: %ldMB\n", _ramend >> 20);
printk(KERN_INFO "Memory map:\n"
+ KERN_INFO " fixedcode = 0x%p-0x%p\n"
KERN_INFO " text = 0x%p-0x%p\n"
KERN_INFO " rodata = 0x%p-0x%p\n"
KERN_INFO " bss = 0x%p-0x%p\n"
@@ -527,7 +529,8 @@ static __init void memory_setup(void)
#if DMA_UNCACHED_REGION > 0
KERN_INFO " DMA Zone = 0x%p-0x%p\n"
#endif
- , _stext, _etext,
+ , (void *)FIXED_CODE_START, (void *)FIXED_CODE_END,
+ _stext, _etext,
__start_rodata, __end_rodata,
__bss_start, __bss_stop,
_sdata, _edata,
diff --git a/arch/blackfin/kernel/vmlinux.lds.S
b/arch/blackfin/kernel/vmlinux.lds.S
index aed8325..cb01a9d 100644
--- a/arch/blackfin/kernel/vmlinux.lds.S
+++ b/arch/blackfin/kernel/vmlinux.lds.S
@@ -147,44 +147,64 @@ SECTIONS
__l1_lma_start = .;
+#if L1_CODE_LENGTH
+# define LDS_L1_CODE *(.l1.text)
+#else
+# define LDS_L1_CODE
+#endif
.text_l1 L1_CODE_START : AT(LOADADDR(.init.ramfs) + SIZEOF(.init.ramfs))
{
. = ALIGN(4);
__stext_l1 = .;
- *(.l1.text)
-
+ LDS_L1_CODE
. = ALIGN(4);
__etext_l1 = .;
}
+#if L1_DATA_A_LENGTH
+# define LDS_L1_A_DATA *(.l1.data)
+# define LDS_L1_A_BSS *(.l1.bss)
+# define LDS_L1_A_CACHE *(.data_l1.cacheline_aligned)
+#else
+# define LDS_L1_A_DATA
+# define LDS_L1_A_BSS
+# define LDS_L1_A_CACHE
+#endif
.data_l1 L1_DATA_A_START : AT(LOADADDR(.text_l1) + SIZEOF(.text_l1))
{
. = ALIGN(4);
__sdata_l1 = .;
- *(.l1.data)
+ LDS_L1_A_DATA
__edata_l1 = .;
. = ALIGN(4);
__sbss_l1 = .;
- *(.l1.bss)
+ LDS_L1_A_BSS
. = ALIGN(32);
- *(.data_l1.cacheline_aligned)
+ LDS_L1_A_CACHE
. = ALIGN(4);
__ebss_l1 = .;
}
+#if L1_DATA_B_LENGTH
+# define LDS_L1_B_DATA *(.l1.data.B)
+# define LDS_L1_B_BSS *(.l1.bss.B)
+#else
+# define LDS_L1_B_DATA
+# define LDS_L1_B_BSS
+#endif
.data_b_l1 L1_DATA_B_START : AT(LOADADDR(.data_l1) + SIZEOF(.data_l1))
{
. = ALIGN(4);
__sdata_b_l1 = .;
- *(.l1.data.B)
+ LDS_L1_B_DATA
__edata_b_l1 = .;
. = ALIGN(4);
__sbss_b_l1 = .;
- *(.l1.bss.B)
+ LDS_L1_B_BSS
. = ALIGN(4);
__ebss_b_l1 = .;
diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c
b/arch/blackfin/mach-bf527/boards/ezkit.c
index 337515f..cf4bc0d 100644
--- a/arch/blackfin/mach-bf527/boards/ezkit.c
+++ b/arch/blackfin/mach-bf527/boards/ezkit.c
@@ -180,8 +180,8 @@ static struct mtd_partition partition_info[] = {
},
{
.name = "File System",
- .offset = 4 * SIZE_1M,
- .size = (256 - 4) * SIZE_1M,
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
},
};
@@ -422,11 +422,11 @@ static struct mtd_partition
bfin_spi_flash_partitions[] = {
}, {
.name = "kernel",
.size = 0xe0000,
- .offset = 0x20000
+ .offset = MTDPART_OFS_APPEND,
}, {
.name = "file system",
- .size = 0x700000,
- .offset = 0x00100000,
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
}
};
@@ -484,13 +484,6 @@ static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
};
#endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
-static struct bfin5xx_spi_chip ad5304_chip_info = {
- .enable_dma = 0,
- .bits_per_word = 16,
-};
-#endif
-
#if defined(CONFIG_TOUCHSCREEN_AD7877) ||
defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
.enable_dma = 0,
@@ -611,17 +604,6 @@ static struct spi_board_info
bfin_spi_board_info[] __initdata = {
.mode = SPI_MODE_3,
},
#endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
- {
- .modalias = "ad5304_spi",
- .max_speed_hz = 1250000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 0,
- .chip_select = 2,
- .platform_data = NULL,
- .controller_data = &ad5304_chip_info,
- .mode = SPI_MODE_2,
- },
-#endif
#if defined(CONFIG_TOUCHSCREEN_AD7877) ||
defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
{
.modalias = "ad7877",
@@ -818,6 +800,19 @@ static struct platform_device bfin_device_gpiokeys = {
};
#endif
+static struct resource bfin_gpios_resources = {
+ .start = 0,
+ .end = MAX_BLACKFIN_GPIOS - 1,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct platform_device bfin_gpios_device = {
+ .name = "simple-gpio",
+ .id = -1,
+ .num_resources = 1,
+ .resource = &bfin_gpios_resources,
+};
+
static struct platform_device *stamp_devices[] __initdata = {
#if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
&bf5xx_nand_device,
@@ -895,6 +890,8 @@ static struct platform_device *stamp_devices[]
__initdata = {
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
&bfin_device_gpiokeys,
#endif
+
+ &bfin_gpios_device,
};
static int __init stamp_init(void)
@@ -921,13 +918,18 @@ void native_machine_restart(char *cmd)
bfin_gpio_reset_spi0_ssel1();
}
-/*
- * Currently the MAC address is saved in Flash by U-Boot
- */
-#define FLASH_MAC 0x203f0000
void bfin_get_ether_addr(char *addr)
{
- *(u32 *)(&(addr[0])) = bfin_read32(FLASH_MAC);
- *(u16 *)(&(addr[4])) = bfin_read16(FLASH_MAC + 4);
+ /* the MAC is stored in OTP memory page 0xDF */
+ u32 ret;
+ u64 otp_mac;
+ u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A;
+
+ ret = otp_read(0xDF, 0x00, &otp_mac);
+ if (!(ret & 0x1)) {
+ char *otp_mac_p = (char *)&otp_mac;
+ for (ret = 0; ret < 6; ++ret)
+ addr[ret] = otp_mac_p[5 - ret];
+ }
}
EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/arch/blackfin/mach-bf533/boards/ezkit.c
b/arch/blackfin/mach-bf533/boards/ezkit.c
index 2b09aa3..241b5a2 100644
--- a/arch/blackfin/mach-bf533/boards/ezkit.c
+++ b/arch/blackfin/mach-bf533/boards/ezkit.c
@@ -99,11 +99,11 @@ static struct mtd_partition bfin_spi_flash_partitions[] = {
}, {
.name = "kernel",
.size = 0xe0000,
- .offset = 0x20000
+ .offset = MTDPART_OFS_APPEND,
}, {
.name = "file system",
- .size = 0x700000,
- .offset = 0x00100000,
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
}
};
@@ -298,6 +298,19 @@ static struct platform_device bfin_device_gpiokeys = {
};
#endif
+static struct resource bfin_gpios_resources = {
+ .start = 0,
+ .end = MAX_BLACKFIN_GPIOS - 1,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct platform_device bfin_gpios_device = {
+ .name = "simple-gpio",
+ .id = -1,
+ .num_resources = 1,
+ .resource = &bfin_gpios_resources,
+};
+
#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
#include <linux/i2c-gpio.h>
@@ -350,6 +363,8 @@ static struct platform_device *ezkit_devices[]
__initdata = {
#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
&i2c_gpio_device,
#endif
+
+ &bfin_gpios_device,
};
static int __init ezkit_init(void)
diff --git a/arch/blackfin/mach-bf533/boards/stamp.c
b/arch/blackfin/mach-bf533/boards/stamp.c
index a645f6f..b2ac481 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -112,7 +112,7 @@ static struct platform_device net2272_bfin_device = {
static struct mtd_partition stamp_partitions[] = {
{
.name = "Bootloader",
- .size = 0x20000,
+ .size = 0x40000,
.offset = 0,
}, {
.name = "Kernel",
@@ -160,17 +160,17 @@ static struct platform_device stamp_flash_device = {
static struct mtd_partition bfin_spi_flash_partitions[] = {
{
.name = "bootloader",
- .size = 0x00020000,
+ .size = 0x00040000,
.offset = 0,
.mask_flags = MTD_CAP_ROM
}, {
.name = "kernel",
.size = 0xe0000,
- .offset = 0x20000
+ .offset = MTDPART_OFS_APPEND,
}, {
.name = "file system",
- .size = 0x700000,
- .offset = 0x00100000,
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
}
};
@@ -212,13 +212,6 @@ static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
};
#endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
-static struct bfin5xx_spi_chip ad5304_chip_info = {
- .enable_dma = 0,
- .bits_per_word = 16,
-};
-#endif
-
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
static struct bfin5xx_spi_chip spi_mmc_chip_info = {
.enable_dma = 1,
@@ -308,17 +301,6 @@ static struct spi_board_info
bfin_spi_board_info[] __initdata = {
},
#endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
- {
- .modalias = "ad5304_spi",
- .max_speed_hz = 1000000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 0,
- .chip_select = 2,
- .platform_data = NULL,
- .controller_data = &ad5304_chip_info,
- .mode = SPI_MODE_2,
- },
-#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
{
.modalias = "spidev",
@@ -457,6 +439,19 @@ static struct platform_device bfin_device_gpiokeys = {
};
#endif
+static struct resource bfin_gpios_resources = {
+ .start = 0,
+ .end = MAX_BLACKFIN_GPIOS - 1,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct platform_device bfin_gpios_device = {
+ .name = "simple-gpio",
+ .id = -1,
+ .num_resources = 1,
+ .resource = &bfin_gpios_resources,
+};
+
#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
#include <linux/i2c-gpio.h>
@@ -518,6 +513,8 @@ static struct platform_device *stamp_devices[]
__initdata = {
#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
&i2c_gpio_device,
#endif
+
+ &bfin_gpios_device,
&stamp_flash_device,
};
diff --git a/arch/blackfin/mach-bf537/boards/generic_board.c
b/arch/blackfin/mach-bf537/boards/generic_board.c
index 8a3397d..c95395b 100644
--- a/arch/blackfin/mach-bf537/boards/generic_board.c
+++ b/arch/blackfin/mach-bf537/boards/generic_board.c
@@ -371,13 +371,6 @@ static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
};
#endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
-static struct bfin5xx_spi_chip ad5304_chip_info = {
- .enable_dma = 0,
- .bits_per_word = 16,
-};
-#endif
-
#if defined(CONFIG_TOUCHSCREEN_AD7877) ||
defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
.enable_dma = 0,
@@ -483,17 +476,6 @@ static struct spi_board_info
bfin_spi_board_info[] __initdata = {
.mode = SPI_MODE_3,
},
#endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
- {
- .modalias = "ad5304_spi",
- .max_speed_hz = 1250000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 0,
- .chip_select = 2,
- .platform_data = NULL,
- .controller_data = &ad5304_chip_info,
- .mode = SPI_MODE_2,
- },
-#endif
#if defined(CONFIG_TOUCHSCREEN_AD7877) ||
defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
{
.modalias = "ad7877",
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c
b/arch/blackfin/mach-bf537/boards/stamp.c
index 9e2277e..ea83148 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -128,6 +128,19 @@ static struct platform_device bfin_device_gpiokeys = {
};
#endif
+static struct resource bfin_gpios_resources = {
+ .start = 0,
+ .end = MAX_BLACKFIN_GPIOS - 1,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct platform_device bfin_gpios_device = {
+ .name = "simple-gpio",
+ .id = -1,
+ .num_resources = 1,
+ .resource = &bfin_gpios_resources,
+};
+
#if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
static struct resource bfin_pcmcia_cf_resources[] = {
{
@@ -343,7 +356,7 @@ static struct platform_device net2272_bfin_device = {
static struct mtd_partition stamp_partitions[] = {
{
.name = "Bootloader",
- .size = 0x20000,
+ .size = 0x40000,
.offset = 0,
}, {
.name = "Kernel",
@@ -351,7 +364,7 @@ static struct mtd_partition stamp_partitions[] = {
.offset = MTDPART_OFS_APPEND,
}, {
.name = "RootFS",
- .size = 0x400000 - 0x20000 - 0xE0000 - 0x10000,
+ .size = 0x400000 - 0x40000 - 0xE0000 - 0x10000,
.offset = MTDPART_OFS_APPEND,
}, {
.name = "MAC Address",
@@ -391,17 +404,17 @@ static struct platform_device stamp_flash_device = {
static struct mtd_partition bfin_spi_flash_partitions[] = {
{
.name = "bootloader",
- .size = 0x00020000,
+ .size = 0x00040000,
.offset = 0,
.mask_flags = MTD_CAP_ROM
}, {
.name = "kernel",
.size = 0xe0000,
- .offset = 0x20000
+ .offset = MTDPART_OFS_APPEND,
}, {
.name = "file system",
- .size = 0x700000,
- .offset = 0x00100000,
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
}
};
@@ -459,13 +472,6 @@ static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
};
#endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
-static struct bfin5xx_spi_chip ad5304_chip_info = {
- .enable_dma = 0,
- .bits_per_word = 16,
-};
-#endif
-
#if defined(CONFIG_TOUCHSCREEN_AD7877) ||
defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
.enable_dma = 0,
@@ -578,17 +584,6 @@ static struct spi_board_info
bfin_spi_board_info[] __initdata = {
.mode = SPI_MODE_3,
},
#endif
-#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
- {
- .modalias = "ad5304_spi",
- .max_speed_hz = 1250000, /* max spi clock (SCK) speed in HZ */
- .bus_num = 0,
- .chip_select = 2,
- .platform_data = NULL,
- .controller_data = &ad5304_chip_info,
- .mode = SPI_MODE_2,
- },
-#endif
#if defined(CONFIG_TOUCHSCREEN_AD7877) ||
defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
{
.modalias = "ad7877",
@@ -821,6 +816,8 @@ static struct platform_device *stamp_devices[]
__initdata = {
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
&bfin_device_gpiokeys,
#endif
+
+ &bfin_gpios_device,
&stamp_flash_device,
};
diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c
b/arch/blackfin/mach-bf548/boards/ezkit.c
index 916e963..a0950c1 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -285,8 +285,8 @@ static struct mtd_partition partition_info[] = {
},
{
.name = "File System",
- .offset = 4 * SIZE_1M,
- .size = (256 - 4) * SIZE_1M,
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
},
};
@@ -333,7 +333,7 @@ static struct platform_device bf54x_sdh_device = {
static struct mtd_partition ezkit_partitions[] = {
{
.name = "Bootloader",
- .size = 0x20000,
+ .size = 0x40000,
.offset = 0,
}, {
.name = "Kernel",
@@ -381,8 +381,8 @@ static struct mtd_partition bfin_spi_flash_partitions[] = {
.mask_flags = MTD_CAP_ROM
}, {
.name = "linux kernel",
- .size = 0x1c0000,
- .offset = 0x40000
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
}
};
@@ -594,6 +594,19 @@ static struct platform_device bfin_device_gpiokeys = {
};
#endif
+static struct resource bfin_gpios_resources = {
+ .start = 0,
+ .end = MAX_BLACKFIN_GPIOS - 1,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct platform_device bfin_gpios_device = {
+ .name = "simple-gpio",
+ .id = -1,
+ .num_resources = 1,
+ .resource = &bfin_gpios_resources,
+};
+
static struct platform_device *ezkit_devices[] __initdata = {
#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
&rtc_device,
@@ -646,6 +659,8 @@ static struct platform_device *ezkit_devices[]
__initdata = {
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
&bfin_device_gpiokeys,
#endif
+
+ &bfin_gpios_device,
&ezkit_flash_device,
};
diff --git a/arch/blackfin/mach-bf548/dma.c b/arch/blackfin/mach-bf548/dma.c
index 374803a..f547929 100644
--- a/arch/blackfin/mach-bf548/dma.c
+++ b/arch/blackfin/mach-bf548/dma.c
@@ -27,6 +27,8 @@
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <linux/module.h>
+
#include <asm/blackfin.h>
#include <asm/dma.h>
diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S
index 74fe258..46222a7 100644
--- a/arch/blackfin/mach-bf548/head.S
+++ b/arch/blackfin/mach-bf548/head.S
@@ -28,6 +28,7 @@
*/
#include <linux/linkage.h>
+#include <linux/init.h>
#include <asm/blackfin.h>
#include <asm/trace.h>
#if CONFIG_BFIN_KERNEL_CLOCK
@@ -44,10 +45,9 @@
#define INITIAL_STACK 0xFFB01000
-.text
+__INIT
ENTRY(__start)
-ENTRY(__stext)
/* R0: argument of command line string, passed from uboot, save it */
R7 = R0;
/* Enable Cycle Counter and Nesting Of Interrupts */
@@ -213,6 +213,7 @@ ENTRY(__stext)
.LWAIT_HERE:
jump .LWAIT_HERE;
+ENDPROC(__start)
ENTRY(_real_start)
[ -- sp ] = reti;
@@ -285,6 +286,9 @@ ENTRY(_real_start)
call _start_kernel;
.L_exit:
jump.s .L_exit;
+ENDPROC(_real_start)
+
+__FINIT
.section .l1.text
#if CONFIG_BFIN_KERNEL_CLOCK
@@ -450,6 +454,7 @@ ENTRY(_start_dma_code)
SSYNC;
RTS;
+ENDPROC(_start_dma_code)
#endif /* CONFIG_BFIN_KERNEL_CLOCK */
.data
diff --git a/arch/blackfin/mach-bf561/boards/ezkit.c
b/arch/blackfin/mach-bf561/boards/ezkit.c
index 43c1b09..d357f64 100644
--- a/arch/blackfin/mach-bf561/boards/ezkit.c
+++ b/arch/blackfin/mach-bf561/boards/ezkit.c
@@ -223,7 +223,7 @@ static struct platform_device bfin_uart_device = {
static struct mtd_partition ezkit_partitions[] = {
{
.name = "Bootloader",
- .size = 0x20000,
+ .size = 0x40000,
.offset = 0,
}, {
.name = "Kernel",
@@ -389,6 +389,19 @@ static struct platform_device bfin_device_gpiokeys = {
};
#endif
+static struct resource bfin_gpios_resources = {
+ .start = 0,
+ .end = MAX_BLACKFIN_GPIOS - 1,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct platform_device bfin_gpios_device = {
+ .name = "simple-gpio",
+ .id = -1,
+ .num_resources = 1,
+ .resource = &bfin_gpios_resources,
+};
+
#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
#include <linux/i2c-gpio.h>
@@ -446,6 +459,7 @@ static struct platform_device *ezkit_devices[]
__initdata = {
&isp1362_hcd_device,
#endif
+ &bfin_gpios_device,
&ezkit_flash_device,
};
diff --git a/arch/blackfin/mach-common/dpmc.S b/arch/blackfin/mach-common/dpmc.S
index b80ddd8..9d45aa3 100644
--- a/arch/blackfin/mach-common/dpmc.S
+++ b/arch/blackfin/mach-common/dpmc.S
@@ -31,140 +31,6 @@
#include <asm/blackfin.h>
#include <asm/mach/irq.h>
-.text
-
-ENTRY(_unmask_wdog_wakeup_evt)
- [--SP] = ( R7:0, P5:0 );
-#if defined(CONFIG_BF561)
- P0.H = hi(SICA_IWR1);
- P0.L = lo(SICA_IWR1);
-#elif defined(CONFIG_BF54x) || defined(CONFIG_BF52x)
- P0.h = HI(SIC_IWR0);
- P0.l = LO(SIC_IWR0);
-#else
- P0.h = HI(SIC_IWR);
- P0.l = LO(SIC_IWR);
-#endif
- R7 = [P0];
-#if defined(CONFIG_BF561)
- BITSET(R7, 27);
-#else
- BITSET(R7,(IRQ_WATCH - IVG7));
-#endif
- [P0] = R7;
- SSYNC;
-
- ( R7:0, P5:0 ) = [SP++];
- RTS;
-
-.LWRITE_TO_STAT:
- /* When watch dog timer is enabled, a write to STAT will load the
- * contents of CNT to STAT
- */
- R7 = 0x0000(z);
-#if defined(CONFIG_BF561)
- P0.h = HI(WDOGA_STAT);
- P0.l = LO(WDOGA_STAT);
-#else
- P0.h = HI(WDOG_STAT);
- P0.l = LO(WDOG_STAT);
-#endif
- [P0] = R7;
- SSYNC;
- JUMP .LSKIP_WRITE_TO_STAT;
-
-ENTRY(_program_wdog_timer)
- [--SP] = ( R7:0, P5:0 );
-#if defined(CONFIG_BF561)
- P0.h = HI(WDOGA_CNT);
- P0.l = LO(WDOGA_CNT);
-#else
- P0.h = HI(WDOG_CNT);
- P0.l = LO(WDOG_CNT);
-#endif
- [P0] = R0;
- SSYNC;
-
-#if defined(CONFIG_BF561)
- P0.h = HI(WDOGA_CTL);
- P0.l = LO(WDOGA_CTL);
-#else
- P0.h = HI(WDOG_CTL);
- P0.l = LO(WDOG_CTL);
-#endif
- R7 = W[P0](Z);
- CC = BITTST(R7,1);
- if !CC JUMP .LWRITE_TO_STAT;
- CC = BITTST(R7,2);
- if !CC JUMP .LWRITE_TO_STAT;
-
-.LSKIP_WRITE_TO_STAT:
-#if defined(CONFIG_BF561)
- P0.h = HI(WDOGA_CTL);
- P0.l = LO(WDOGA_CTL);
-#else
- P0.h = HI(WDOG_CTL);
- P0.l = LO(WDOG_CTL);
-#endif
- R7 = W[P0](Z);
- BITCLR(R7,1); /* Enable GP event */
- BITSET(R7,2);
- W[P0] = R7.L;
- SSYNC;
- NOP;
-
- R7 = W[P0](Z);
- BITCLR(R7,4); /* Enable the wdog counter */
- W[P0] = R7.L;
- SSYNC;
-
- ( R7:0, P5:0 ) = [SP++];
- RTS;
-
-ENTRY(_clear_wdog_wakeup_evt)
- [--SP] = ( R7:0, P5:0 );
-
-#if defined(CONFIG_BF561)
- P0.h = HI(WDOGA_CTL);
- P0.l = LO(WDOGA_CTL);
-#else
- P0.h = HI(WDOG_CTL);
- P0.l = LO(WDOG_CTL);
-#endif
- R7 = 0x0AD6(Z);
- W[P0] = R7.L;
- SSYNC;
-
- R7 = W[P0](Z);
- BITSET(R7,15);
- W[P0] = R7.L;
- SSYNC;
-
- R7 = W[P0](Z);
- BITSET(R7,1);
- BITSET(R7,2);
- W[P0] = R7.L;
- SSYNC;
-
- ( R7:0, P5:0 ) = [SP++];
- RTS;
-
-ENTRY(_disable_wdog_timer)
- [--SP] = ( R7:0, P5:0 );
-#if defined(CONFIG_BF561)
- P0.h = HI(WDOGA_CTL);
- P0.l = LO(WDOGA_CTL);
-#else
- P0.h = HI(WDOG_CTL);
- P0.l = LO(WDOG_CTL);
-#endif
- R7 = 0xAD6(Z);
- W[P0] = R7.L;
- SSYNC;
- ( R7:0, P5:0 ) = [SP++];
- RTS;
-
-#if !defined(CONFIG_BF561)
.section .l1.text
@@ -459,10 +325,12 @@ ENTRY(_set_sic_iwr)
RTS;
ENTRY(_set_rtc_istat)
+#ifndef CONFIG_BF561
P0.H = hi(RTC_ISTAT);
P0.L = lo(RTC_ISTAT);
w[P0] = R0.L;
SSYNC;
+#endif
RTS;
ENTRY(_test_pll_locked)
@@ -473,4 +341,3 @@ ENTRY(_test_pll_locked)
CC = BITTST(R0,5);
IF !CC JUMP 1b;
RTS;
-#endif
diff --git a/arch/blackfin/mach-common/ints-priority.c
b/arch/blackfin/mach-common/ints-priority.c
index 880595a..225ef14 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -74,7 +74,7 @@ unsigned long bfin_sic_iwr[3]; /* Up to 3 SIC_IWRx
registers */
#endif
struct ivgx {
- /* irq number for request_irq, available in mach-bf533/irq.h */
+ /* irq number for request_irq, available in mach-bf5xx/irq.h */
unsigned int irqno;
/* corresponding bit in the SIC_ISR register */
unsigned int isrflag;
@@ -86,7 +86,6 @@ struct ivg_slice {
struct ivgx *istop;
} ivg7_13[IVG13 - IVG7 + 1];
-static void search_IAR(void);
/*
* Search SIC_IAR and fill tables with the irqvalues
@@ -120,10 +119,10 @@ static void __init search_IAR(void)
}
/*
- * This is for BF533 internal IRQs
+ * This is for core internal IRQs
*/
-static void ack_noop(unsigned int irq)
+static void bfin_ack_noop(unsigned int irq)
{
/* Dummy function. */
}
@@ -156,11 +155,11 @@ static void bfin_internal_mask_irq(unsigned int irq)
{
#ifdef CONFIG_BF53x
bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() &
- ~(1 << (irq - (IRQ_CORETMR + 1))));
+ ~(1 << SIC_SYSIRQ(irq)));
#else
unsigned mask_bank, mask_bit;
- mask_bank = (irq - (IRQ_CORETMR + 1)) / 32;
- mask_bit = (irq - (IRQ_CORETMR + 1)) % 32;
+ mask_bank = SIC_SYSIRQ(irq) / 32;
+ mask_bit = SIC_SYSIRQ(irq) % 32;
bfin_write_SIC_IMASK(mask_bank, bfin_read_SIC_IMASK(mask_bank) &
~(1 << mask_bit));
#endif
@@ -171,11 +170,11 @@ static void bfin_internal_unmask_irq(unsigned int irq)
{
#ifdef CONFIG_BF53x
bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() |
- (1 << (irq - (IRQ_CORETMR + 1))));
+ (1 << SIC_SYSIRQ(irq)));
#else
unsigned mask_bank, mask_bit;
- mask_bank = (irq - (IRQ_CORETMR + 1)) / 32;
- mask_bit = (irq - (IRQ_CORETMR + 1)) % 32;
+ mask_bank = SIC_SYSIRQ(irq) / 32;
+ mask_bit = SIC_SYSIRQ(irq) % 32;
bfin_write_SIC_IMASK(mask_bank, bfin_read_SIC_IMASK(mask_bank) |
(1 << mask_bit));
#endif
@@ -187,8 +186,8 @@ int bfin_internal_set_wake(unsigned int irq,
unsigned int state)
{
unsigned bank, bit;
unsigned long flags;
- bank = (irq - (IRQ_CORETMR + 1)) / 32;
- bit = (irq - (IRQ_CORETMR + 1)) % 32;
+ bank = SIC_SYSIRQ(irq) / 32;
+ bit = SIC_SYSIRQ(irq) % 32;
local_irq_save(flags);
@@ -204,15 +203,18 @@ int bfin_internal_set_wake(unsigned int irq,
unsigned int state)
#endif
static struct irq_chip bfin_core_irqchip = {
- .ack = ack_noop,
+ .ack = bfin_ack_noop,
.mask = bfin_core_mask_irq,
.unmask = bfin_core_unmask_irq,
};
static struct irq_chip bfin_internal_irqchip = {
- .ack = ack_noop,
+ .ack = bfin_ack_noop,
.mask = bfin_internal_mask_irq,
.unmask = bfin_internal_unmask_irq,
+ .mask_ack = bfin_internal_mask_irq,
+ .disable = bfin_internal_mask_irq,
+ .enable = bfin_internal_unmask_irq,
#ifdef CONFIG_PM
.set_wake = bfin_internal_set_wake,
#endif
@@ -221,38 +223,23 @@ static struct irq_chip bfin_internal_irqchip = {
#ifdef BF537_GENERIC_ERROR_INT_DEMUX
static int error_int_mask;
-static void bfin_generic_error_ack_irq(unsigned int irq)
-{
-
-}
-
static void bfin_generic_error_mask_irq(unsigned int irq)
{
error_int_mask &= ~(1L << (irq - IRQ_PPI_ERROR));
- if (!error_int_mask) {
- local_irq_disable();
- bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() &
- ~(1 << (IRQ_GENERIC_ERROR -
- (IRQ_CORETMR + 1))));
- SSYNC();
- local_irq_enable();
- }
+ if (!error_int_mask)
+ bfin_internal_mask_irq(IRQ_GENERIC_ERROR);
}
static void bfin_generic_error_unmask_irq(unsigned int irq)
{
- local_irq_disable();
- bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() | 1 <<
- (IRQ_GENERIC_ERROR - (IRQ_CORETMR + 1)));
- SSYNC();
- local_irq_enable();
-
+ bfin_internal_unmask_irq(IRQ_GENERIC_ERROR);
error_int_mask |= 1L << (irq - IRQ_PPI_ERROR);
}
static struct irq_chip bfin_generic_error_irqchip = {
- .ack = bfin_generic_error_ack_irq,
+ .ack = bfin_ack_noop,
+ .mask_ack = bfin_generic_error_mask_irq,
.mask = bfin_generic_error_mask_irq,
.unmask = bfin_generic_error_unmask_irq,
};
@@ -608,7 +595,7 @@ static struct pin_int_t *pint[NR_PINT_SYS_IRQS] = {
(struct pin_int_t *)PINT3_MASK_SET,
};
-unsigned short get_irq_base(u8 bank, u8 bmap)
+inline unsigned short get_irq_base(u8 bank, u8 bmap)
{
u16 irq_base;
@@ -969,17 +956,12 @@ int __init init_arch_irq(void)
#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561)
bfin_write_SIC_IMASK0(SIC_UNMASK_ALL);
bfin_write_SIC_IMASK1(SIC_UNMASK_ALL);
- bfin_write_SIC_IWR0(IWR_ENABLE_ALL);
- bfin_write_SIC_IWR1(IWR_ENABLE_ALL);
# ifdef CONFIG_BF54x
bfin_write_SIC_IMASK2(SIC_UNMASK_ALL);
- bfin_write_SIC_IWR2(IWR_ENABLE_ALL);
# endif
#else
bfin_write_SIC_IMASK(SIC_UNMASK_ALL);
- bfin_write_SIC_IWR(IWR_ENABLE_ALL);
#endif
- SSYNC();
local_irq_disable();
@@ -1001,90 +983,53 @@ int __init init_arch_irq(void)
set_irq_chip(irq, &bfin_core_irqchip);
else
set_irq_chip(irq, &bfin_internal_irqchip);
-#ifdef BF537_GENERIC_ERROR_INT_DEMUX
- if (irq != IRQ_GENERIC_ERROR) {
-#endif
- switch (irq) {
+ switch (irq) {
#if defined(CONFIG_BF53x)
- case IRQ_PROG_INTA:
- set_irq_chained_handler(irq,
- bfin_demux_gpio_irq);
- break;
+ case IRQ_PROG_INTA:
# if defined(BF537_FAMILY) && !(defined(CONFIG_BFIN_MAC) ||
defined(CONFIG_BFIN_MAC_MODULE))
- case IRQ_MAC_RX:
- set_irq_chained_handler(irq,
- bfin_demux_gpio_irq);
- break;
+ case IRQ_MAC_RX:
# endif
#elif defined(CONFIG_BF54x)
- case IRQ_PINT0:
- set_irq_chained_handler(irq,
- bfin_demux_gpio_irq);
- break;
- case IRQ_PINT1:
- set_irq_chained_handler(irq,
- bfin_demux_gpio_irq);
- break;
- case IRQ_PINT2:
- set_irq_chained_handler(irq,
- bfin_demux_gpio_irq);
- break;
- case IRQ_PINT3:
- set_irq_chained_handler(irq,
- bfin_demux_gpio_irq);
- break;
+ case IRQ_PINT0:
+ case IRQ_PINT1:
+ case IRQ_PINT2:
+ case IRQ_PINT3:
#elif defined(CONFIG_BF52x)
- case IRQ_PORTF_INTA:
- set_irq_chained_handler(irq,
- bfin_demux_gpio_irq);
- break;
- case IRQ_PORTG_INTA:
- set_irq_chained_handler(irq,
- bfin_demux_gpio_irq);
- break;
- case IRQ_PORTH_INTA:
- set_irq_chained_handler(irq,
- bfin_demux_gpio_irq);
- break;
+ case IRQ_PORTF_INTA:
+ case IRQ_PORTG_INTA:
+ case IRQ_PORTH_INTA:
#elif defined(CONFIG_BF561)
- case IRQ_PROG0_INTA:
- set_irq_chained_handler(irq,
- bfin_demux_gpio_irq);
- break;
- case IRQ_PROG1_INTA:
- set_irq_chained_handler(irq,
- bfin_demux_gpio_irq);
- break;
- case IRQ_PROG2_INTA:
- set_irq_chained_handler(irq,
- bfin_demux_gpio_irq);
- break;
+ case IRQ_PROG0_INTA:
+ case IRQ_PROG1_INTA:
+ case IRQ_PROG2_INTA:
#endif
- default:
- set_irq_handler(irq, handle_simple_irq);
- break;
- }
-
+ set_irq_chained_handler(irq,
+ bfin_demux_gpio_irq);
+ break;
#ifdef BF537_GENERIC_ERROR_INT_DEMUX
- } else {
+ case IRQ_GENERIC_ERROR:
set_irq_handler(irq, bfin_demux_error_irq);
- }
+
+ break;
#endif
+ default:
+ set_irq_handler(irq, handle_simple_irq);
+ break;
+ }
}
+
#ifdef BF537_GENERIC_ERROR_INT_DEMUX
- for (irq = IRQ_PPI_ERROR; irq <= IRQ_UART1_ERROR; irq++) {
- set_irq_chip(irq, &bfin_generic_error_irqchip);
- set_irq_handler(irq, handle_level_irq);
- }
+ for (irq = IRQ_PPI_ERROR; irq <= IRQ_UART1_ERROR; irq++)
+ set_irq_chip_and_handler(irq, &bfin_generic_error_irqchip,
+ handle_level_irq);
#endif
- for (irq = GPIO_IRQ_BASE; irq < NR_IRQS; irq++) {
+ /* if configured as edge, then will be changed to do_edge_IRQ */
+ for (irq = GPIO_IRQ_BASE; irq < NR_IRQS; irq++)
+ set_irq_chip_and_handler(irq, &bfin_gpio_irqchip,
+ handle_level_irq);
- set_irq_chip(irq, &bfin_gpio_irqchip);
- /* if configured as edge, then will be changed to do_edge_IRQ */
- set_irq_handler(irq, handle_level_irq);
- }
bfin_write_IMASK(0);
CSYNC();
@@ -1106,6 +1051,16 @@ int __init init_arch_irq(void)
IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 |
IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW;
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561)
+ bfin_write_SIC_IWR0(IWR_ENABLE_ALL);
+ bfin_write_SIC_IWR1(IWR_ENABLE_ALL);
+# ifdef CONFIG_BF54x
+ bfin_write_SIC_IWR2(IWR_ENABLE_ALL);
+# endif
+#else
+ bfin_write_SIC_IWR(IWR_ENABLE_ALL);
+#endif
+
return 0;
}
@@ -1122,7 +1077,6 @@ void do_irq(int vec, struct pt_regs *fp)
#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561)
unsigned long sic_status[3];
- SSYNC();
sic_status[0] = bfin_read_SIC_ISR0() & bfin_read_SIC_IMASK0();
sic_status[1] = bfin_read_SIC_ISR1() & bfin_read_SIC_IMASK1();
#ifdef CONFIG_BF54x
@@ -1138,7 +1092,7 @@ void do_irq(int vec, struct pt_regs *fp)
}
#else
unsigned long sic_status;
- SSYNC();
+
sic_status = bfin_read_SIC_IMASK() & bfin_read_SIC_ISR();
for (;; ivg++) {
diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c
index 1f516c5..ec3141f 100644
--- a/arch/blackfin/mm/init.c
+++ b/arch/blackfin/mm/init.c
@@ -181,7 +181,7 @@ void __init mem_init(void)
}
}
-static __init void free_init_pages(const char *what, unsigned long
begin, unsigned long end)
+static void __init free_init_pages(const char *what, unsigned long
begin, unsigned long end)
{
unsigned long addr;
/* next to check that the page we free is not a partial page */
@@ -203,7 +203,7 @@ void __init free_initrd_mem(unsigned long start,
unsigned long end)
}
#endif
-void __init free_initmem(void)
+void __init_refok free_initmem(void)
{
#if defined CONFIG_RAMKERNEL && !defined CONFIG_MPU
free_init_pages("unused kernel memory",
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index b82595c..cf627cd 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -686,7 +686,7 @@ config UART0_RTS_PIN
config SERIAL_BFIN_UART1
bool "Enable UART1"
- depends on SERIAL_BFIN && (BF534 || BF536 || BF537 || BF54x)
+ depends on SERIAL_BFIN && (!BF531 && !BF532 && !BF533 && !BF561)
help
Enable UART1
@@ -699,14 +699,14 @@ config BFIN_UART1_CTSRTS
config UART1_CTS_PIN
int "UART1 CTS pin"
- depends on BFIN_UART1_CTSRTS && (BF53x || BF561)
+ depends on BFIN_UART1_CTSRTS && !BF54x
default -1
help
Refer to ./include/asm-blackfin/gpio.h to see the GPIO map.
config UART1_RTS_PIN
int "UART1 RTS pin"
- depends on BFIN_UART1_CTSRTS && (BF53x || BF561)
+ depends on BFIN_UART1_CTSRTS && !BF54x
default -1
help
Refer to ./include/asm-blackfin/gpio.h to see the GPIO map.
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index ac2a3ef..0aa345b 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -1,30 +1,11 @@
/*
- * File: drivers/serial/bfin_5xx.c
- * Based on: Based on drivers/serial/sa1100.c
- * Author: Aubrey Li <aubrey.li@xxxxxxxxxx>
+ * Blackfin On-Chip Serial Driver
*
- * Created:
- * Description: Driver for blackfin 5xx serial ports
+ * Copyright 2006-2007 Analog Devices Inc.
*
- * Modified:
- * Copyright 2006 Analog Devices Inc.
+ * Enter bugs at http://blackfin.uclinux.org/
*
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * Licensed under the GPL-2 or later.
*/
#if defined(CONFIG_SERIAL_BFIN_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
@@ -67,14 +48,12 @@
#define DMA_RX_XCOUNT 512
#define DMA_RX_YCOUNT (PAGE_SIZE / DMA_RX_XCOUNT)
-#define DMA_RX_FLUSH_JIFFIES 5
+#define DMA_RX_FLUSH_JIFFIES (HZ / 50)
#ifdef CONFIG_SERIAL_BFIN_DMA
static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart);
#else
-static void bfin_serial_do_work(struct work_struct *work);
static void bfin_serial_tx_chars(struct bfin_serial_port *uart);
-static void local_put_char(struct bfin_serial_port *uart, char ch);
#endif
static void bfin_serial_mctrl_check(struct bfin_serial_port *uart);
@@ -85,23 +64,26 @@ static void bfin_serial_mctrl_check(struct
bfin_serial_port *uart);
static void bfin_serial_stop_tx(struct uart_port *port)
{
struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
+ struct circ_buf *xmit = &uart->port.info->xmit;
+#if !defined(CONFIG_BF54x) && !defined(CONFIG_SERIAL_BFIN_DMA)
+ unsigned short ier;
+#endif
while (!(UART_GET_LSR(uart) & TEMT))
- continue;
+ cpu_relax();
#ifdef CONFIG_SERIAL_BFIN_DMA
disable_dma(uart->tx_dma_channel);
+ xmit->tail = (xmit->tail + uart->tx_count) & (UART_XMIT_SIZE - 1);
+ uart->port.icount.tx += uart->tx_count;
+ uart->tx_count = 0;
+ uart->tx_done = 1;
#else
#ifdef CONFIG_BF54x
- /* Waiting for Transmission Finished */
- while (!(UART_GET_LSR(uart) & TFI))
- continue;
/* Clear TFI bit */
UART_PUT_LSR(uart, TFI);
UART_CLEAR_IER(uart, ETBEI);
#else
- unsigned short ier;
-
ier = UART_GET_IER(uart);
ier &= ~ETBEI;
UART_PUT_IER(uart, ier);
@@ -117,7 +99,8 @@ static void bfin_serial_start_tx(struct uart_port *port)
struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
#ifdef CONFIG_SERIAL_BFIN_DMA
- bfin_serial_dma_tx_chars(uart);
+ if (uart->tx_done)
+ bfin_serial_dma_tx_chars(uart);
#else
#ifdef CONFIG_BF54x
UART_SET_IER(uart, ETBEI);
@@ -209,34 +192,27 @@ int kgdb_get_debug_char(void)
}
#endif
-#ifdef CONFIG_SERIAL_BFIN_PIO
-static void local_put_char(struct bfin_serial_port *uart, char ch)
-{
- unsigned short status;
- int flags = 0;
-
- spin_lock_irqsave(&uart->port.lock, flags);
-
- do {
- status = UART_GET_LSR(uart);
- } while (!(status & THRE));
-
- UART_PUT_CHAR(uart, ch);
- SSYNC();
-
- spin_unlock_irqrestore(&uart->port.lock, flags);
-}
+#if ANOMALY_05000230 && defined(CONFIG_SERIAL_BFIN_PIO)
+# define UART_GET_ANOMALY_THRESHOLD(uart) ((uart)->anomaly_threshold)
+# define UART_SET_ANOMALY_THRESHOLD(uart, v) ((uart)->anomaly_threshold = (v))
+#else
+# define UART_GET_ANOMALY_THRESHOLD(uart) 0
+# define UART_SET_ANOMALY_THRESHOLD(uart, v)
+#endif
+#ifdef CONFIG_SERIAL_BFIN_PIO
static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
{
struct tty_struct *tty = uart->port.info->tty;
unsigned int status, ch, flg;
- static int in_break = 0;
+ static struct timeval anomaly_start = { .tv_sec = 0 };
#ifdef CONFIG_KGDB_UART
struct pt_regs *regs = get_irq_regs();
#endif
status = UART_GET_LSR(uart);
+ UART_CLEAR_LSR(uart);
+
ch = UART_GET_CHAR(uart);
uart->port.icount.rx++;
@@ -262,28 +238,56 @@ static void bfin_serial_rx_chars(struct
bfin_serial_port *uart)
#endif
if (ANOMALY_05000230) {
- /* The BF533 family of processors have a nice misbehavior where
- * they continuously generate characters for a "single" break.
+ /* The BF533 (and BF561) family of processors have a nice anomaly
+ * where they continuously generate characters for a "single" break.
* We have to basically ignore this flood until the "next" valid
- * character comes across. All other Blackfin families operate
- * properly though.
+ * character comes across. Due to the nature of the flood, it is
+ * not possible to reliably catch bytes that are sent too quickly
+ * after this break. So application code talking to the Blackfin
+ * which sends a break signal must allow at least 1.5 character
+ * times after the end of the break for things to stabilize. This
+ * timeout was picked as it must absolutely be larger than 1
+ * character time +/- some percent. So 1.5 sounds good. All other
+ * Blackfin families operate properly. Woo.
* Note: While Anomaly 05000230 does not directly address this,
* the changes that went in for it also fixed this issue.
+ * That anomaly was fixed in 0.5+ silicon. I like bunnies.
*/
- if (in_break) {
- if (ch != 0) {
- in_break = 0;
- ch = UART_GET_CHAR(uart);
- if (bfin_revid() < 5)
- return;
- } else
- return;
+ if (anomaly_start.tv_sec) {
+ struct timeval curr;
+ suseconds_t usecs;
+
+ if ((~ch & (~ch + 1)) & 0xff)
+ goto known_good_char;
+
+ do_gettimeofday(&curr);
+ if (curr.tv_sec - anomaly_start.tv_sec > 1)
+ goto known_good_char;
+
+ usecs = 0;
+ if (curr.tv_sec != anomaly_start.tv_sec)
+ usecs += USEC_PER_SEC;
+ usecs += curr.tv_usec - anomaly_start.tv_usec;
+
+ if (usecs > UART_GET_ANOMALY_THRESHOLD(uart))
+ goto known_good_char;
+
+ if (ch)
+ anomaly_start.tv_sec = 0;
+ else
+ anomaly_start = curr;
+
+ return;
+
+ known_good_char:
+ anomaly_start.tv_sec = 0;
}
}
if (status & BI) {
if (ANOMALY_05000230)
- in_break = 1;
+ if (bfin_revid() < 5)
+ do_gettimeofday(&anomaly_start);
uart->port.icount.brk++;
if (uart_handle_break(&uart->port))
goto ignore_char;
@@ -324,7 +328,6 @@ static void bfin_serial_tx_chars(struct
bfin_serial_port *uart)
UART_PUT_CHAR(uart, uart->port.x_char);
uart->port.icount.tx++;
uart->port.x_char = 0;
- return;
}
/*
* Check the modem control lines before
@@ -337,9 +340,12 @@ static void bfin_serial_tx_chars(struct
bfin_serial_port *uart)
return;
}
- local_put_char(uart, xmit->buf[xmit->tail]);
- xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
- uart->port.icount.tx++;
+ while ((UART_GET_LSR(uart) & THRE) && xmit->tail != xmit->head) {
+ UART_PUT_CHAR(uart, xmit->buf[xmit->tail]);
+ xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+ uart->port.icount.tx++;
+ SSYNC();
+ }
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(&uart->port);
@@ -352,21 +358,11 @@ static irqreturn_t bfin_serial_rx_int(int irq,
void *dev_id)
{
struct bfin_serial_port *uart = dev_id;
-#ifdef CONFIG_BF54x
- unsigned short status;
- spin_lock(&uart->port.lock);
- status = UART_GET_LSR(uart);
- while ((UART_GET_IER(uart) & ERBFI) && (status & DR)) {
- bfin_serial_rx_chars(uart);
- status = UART_GET_LSR(uart);
- }
- spin_unlock(&uart->port.lock);
-#else
spin_lock(&uart->port.lock);
- while ((UART_GET_IIR(uart) & IIR_STATUS) == IIR_RX_READY)
+ while (UART_GET_LSR(uart) & DR)
bfin_serial_rx_chars(uart);
spin_unlock(&uart->port.lock);
-#endif
+
return IRQ_HANDLED;
}
@@ -374,25 +370,16 @@ static irqreturn_t bfin_serial_tx_int(int irq,
void *dev_id)
{
struct bfin_serial_port *uart = dev_id;
-#ifdef CONFIG_BF54x
- unsigned short status;
spin_lock(&uart->port.lock);
- status = UART_GET_LSR(uart);
- while ((UART_GET_IER(uart) & ETBEI) && (status & THRE)) {
+ if (UART_GET_LSR(uart) & THRE)
bfin_serial_tx_chars(uart);
- status = UART_GET_LSR(uart);
- }
spin_unlock(&uart->port.lock);
-#else
- spin_lock(&uart->port.lock);
- while ((UART_GET_IIR(uart) & IIR_STATUS) == IIR_TX_READY)
- bfin_serial_tx_chars(uart);
- spin_unlock(&uart->port.lock);
-#endif
+
return IRQ_HANDLED;
}
+#endif
-
+#ifdef CONFIG_SERIAL_BFIN_CTSRTS
static void bfin_serial_do_work(struct work_struct *work)
{
struct bfin_serial_port *uart = container_of(work, struct
bfin_serial_port, cts_workqueue);
@@ -406,33 +393,27 @@ static void bfin_serial_dma_tx_chars(struct
bfin_serial_port *uart)
{
struct circ_buf *xmit = &uart->port.info->xmit;
unsigned short ier;
- int flags = 0;
-
- if (!uart->tx_done)
- return;
uart->tx_done = 0;
+ if (uart_circ_empty(xmit) || uart_tx_stopped(&uart->port)) {
+ uart->tx_count = 0;
+ uart->tx_done = 1;
+ return;
+ }
+
if (uart->port.x_char) {
UART_PUT_CHAR(uart, uart->port.x_char);
uart->port.icount.tx++;
uart->port.x_char = 0;
- uart->tx_done = 1;
- return;
}
+
/*
* Check the modem control lines before
* transmitting anything.
*/
bfin_serial_mctrl_check(uart);
- if (uart_circ_empty(xmit) || uart_tx_stopped(&uart->port)) {
- bfin_serial_stop_tx(&uart->port);
- uart->tx_done = 1;
- return;
- }
-
- spin_lock_irqsave(&uart->port.lock, flags);
uart->tx_count = CIRC_CNT(xmit->head, xmit->tail, UART_XMIT_SIZE);
if (uart->tx_count > (UART_XMIT_SIZE - xmit->tail))
uart->tx_count = UART_XMIT_SIZE - xmit->tail;
@@ -448,6 +429,7 @@ static void bfin_serial_dma_tx_chars(struct
bfin_serial_port *uart)
set_dma_x_count(uart->tx_dma_channel, uart->tx_count);
set_dma_x_modify(uart->tx_dma_channel, 1);
enable_dma(uart->tx_dma_channel);
+
#ifdef CONFIG_BF54x
UART_SET_IER(uart, ETBEI);
#else
@@ -455,7 +437,6 @@ static void bfin_serial_dma_tx_chars(struct
bfin_serial_port *uart)
ier |= ETBEI;
UART_PUT_IER(uart, ier);
#endif
- spin_unlock_irqrestore(&uart->port.lock, flags);
}
static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart)
@@ -464,7 +445,11 @@ static void bfin_serial_dma_rx_chars(struct
bfin_serial_port *uart)
int i, flg, status;
status = UART_GET_LSR(uart);
- uart->port.icount.rx += CIRC_CNT(uart->rx_dma_buf.head,
uart->rx_dma_buf.tail, UART_XMIT_SIZE);;
+ UART_CLEAR_LSR(uart);
+
+ uart->port.icount.rx +=
+ CIRC_CNT(uart->rx_dma_buf.head, uart->rx_dma_buf.tail,
+ UART_XMIT_SIZE);
if (status & BI) {
uart->port.icount.brk++;
@@ -490,10 +475,12 @@ static void bfin_serial_dma_rx_chars(struct
bfin_serial_port *uart)
else
flg = TTY_NORMAL;
- for (i = uart->rx_dma_buf.head; i < uart->rx_dma_buf.tail; i++) {
- if (uart_handle_sysrq_char(&uart->port, uart->rx_dma_buf.buf[i]))
- goto dma_ignore_char;
- uart_insert_char(&uart->port, status, OE, uart->rx_dma_buf.buf[i], flg);
+ for (i = uart->rx_dma_buf.tail; i != uart->rx_dma_buf.head; i++) {
+ if (i >= UART_XMIT_SIZE)
+ i = 0;
+ if (!uart_handle_sysrq_char(&uart->port, uart->rx_dma_buf.buf[i]))
+ uart_insert_char(&uart->port, status, OE,
+ uart->rx_dma_buf.buf[i], flg);
}
dma_ignore_char:
@@ -503,23 +490,23 @@ static void bfin_serial_dma_rx_chars(struct
bfin_serial_port *uart)
void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart)
{
int x_pos, pos;
- int flags = 0;
-
- bfin_serial_dma_tx_chars(uart);
- spin_lock_irqsave(&uart->port.lock, flags);
- x_pos = DMA_RX_XCOUNT - get_dma_curr_xcount(uart->rx_dma_channel);
+ uart->rx_dma_nrows = get_dma_curr_ycount(uart->rx_dma_channel);
+ x_pos = get_dma_curr_xcount(uart->rx_dma_channel);
+ uart->rx_dma_nrows = DMA_RX_YCOUNT - uart->rx_dma_nrows;
+ if (uart->rx_dma_nrows == DMA_RX_YCOUNT)
+ uart->rx_dma_nrows = 0;
+ x_pos = DMA_RX_XCOUNT - x_pos;
if (x_pos == DMA_RX_XCOUNT)
x_pos = 0;
pos = uart->rx_dma_nrows * DMA_RX_XCOUNT + x_pos;
-
- if (pos>uart->rx_dma_buf.tail) {
- uart->rx_dma_buf.tail = pos;
+ if (pos != uart->rx_dma_buf.tail) {
+ uart->rx_dma_buf.head = pos;
bfin_serial_dma_rx_chars(uart);
- uart->rx_dma_buf.head = uart->rx_dma_buf.tail;
+ uart->rx_dma_buf.tail = uart->rx_dma_buf.head;
}
- spin_unlock_irqrestore(&uart->port.lock, flags);
+
uart->rx_dma_timer.expires = jiffies + DMA_RX_FLUSH_JIFFIES;
add_timer(&(uart->rx_dma_timer));
}
@@ -532,8 +519,8 @@ static irqreturn_t bfin_serial_dma_tx_int(int irq,
void *dev_id)
spin_lock(&uart->port.lock);
if (!(get_dma_curr_irqstat(uart->tx_dma_channel)&DMA_RUN)) {
- clear_dma_irqstat(uart->tx_dma_channel);
disable_dma(uart->tx_dma_channel);
+ clear_dma_irqstat(uart->tx_dma_channel);
#ifdef CONFIG_BF54x
UART_CLEAR_IER(uart, ETBEI);
#else
@@ -541,15 +528,13 @@ static irqreturn_t bfin_serial_dma_tx_int(int
irq, void *dev_id)
ier &= ~ETBEI;
UART_PUT_IER(uart, ier);
#endif
- xmit->tail = (xmit->tail+uart->tx_count) &(UART_XMIT_SIZE -1);
- uart->port.icount.tx+=uart->tx_count;
+ xmit->tail = (xmit->tail + uart->tx_count) & (UART_XMIT_SIZE - 1);
+ uart->port.icount.tx += uart->tx_count;
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(&uart->port);
- if (uart_circ_empty(xmit))
- bfin_serial_stop_tx(&uart->port);
- uart->tx_done = 1;
+ bfin_serial_dma_tx_chars(uart);
}
spin_unlock(&uart->port.lock);
@@ -561,18 +546,15 @@ static irqreturn_t bfin_serial_dma_rx_int(int
irq, void *dev_id)
struct bfin_serial_port *uart = dev_id;
unsigned short irqstat;
- uart->rx_dma_nrows++;
- if (uart->rx_dma_nrows == DMA_RX_YCOUNT) {
- uart->rx_dma_nrows = 0;
- uart->rx_dma_buf.tail = DMA_RX_XCOUNT*DMA_RX_YCOUNT;
- bfin_serial_dma_rx_chars(uart);
- uart->rx_dma_buf.head = uart->rx_dma_buf.tail = 0;
- }
spin_lock(&uart->port.lock);
irqstat = get_dma_curr_irqstat(uart->rx_dma_channel);
clear_dma_irqstat(uart->rx_dma_channel);
-
spin_unlock(&uart->port.lock);
+
+ del_timer(&(uart->rx_dma_timer));
+ uart->rx_dma_timer.expires = jiffies;
+ add_timer(&(uart->rx_dma_timer));
+
return IRQ_HANDLED;
}
#endif
@@ -599,7 +581,11 @@ static unsigned int bfin_serial_get_mctrl(struct
uart_port *port)
if (uart->cts_pin < 0)
return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
+# ifdef BF54x
+ if (UART_GET_MSR(uart) & CTS)
+# else
if (gpio_get_value(uart->cts_pin))
+# endif
return TIOCM_DSR | TIOCM_CAR;
else
#endif
@@ -614,9 +600,17 @@ static void bfin_serial_set_mctrl(struct
uart_port *port, unsigned int mctrl)
return;
if (mctrl & TIOCM_RTS)
+# ifdef BF54x
+ UART_PUT_MCR(uart, UART_GET_MCR(uart) & ~MRTS);
+# else
gpio_set_value(uart->rts_pin, 0);
+# endif
else
+# ifdef BF54x
+ UART_PUT_MCR(uart, UART_GET_MCR(uart) | MRTS);
+# else
gpio_set_value(uart->rts_pin, 1);
+# endif
#endif
}
@@ -627,22 +621,17 @@ static void bfin_serial_mctrl_check(struct
bfin_serial_port *uart)
{
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
unsigned int status;
-# ifdef CONFIG_SERIAL_BFIN_DMA
struct uart_info *info = uart->port.info;
struct tty_struct *tty = info->tty;
status = bfin_serial_get_mctrl(&uart->port);
+ uart_handle_cts_change(&uart->port, status & TIOCM_CTS);
if (!(status & TIOCM_CTS)) {
tty->hw_stopped = 1;
+ schedule_work(&uart->cts_workqueue);
} else {
tty->hw_stopped = 0;
}
-# else
- status = bfin_serial_get_mctrl(&uart->port);
- uart_handle_cts_change(&uart->port, status & TIOCM_CTS);
- if (!(status & TIOCM_CTS))
- schedule_work(&uart->cts_workqueue);
-# endif
#endif
}
@@ -743,6 +732,7 @@ static void bfin_serial_shutdown(struct uart_port *port)
disable_dma(uart->rx_dma_channel);
free_dma(uart->rx_dma_channel);
del_timer(&(uart->rx_dma_timer));
+ dma_free_coherent(NULL, PAGE_SIZE, uart->rx_dma_buf.buf, 0);
#else
#ifdef CONFIG_KGDB_UART
if (uart->port.line != CONFIG_KGDB_UART_PORT)
@@ -814,6 +804,8 @@ bfin_serial_set_termios(struct uart_port *port,
struct ktermios *termios,
quot = uart_get_divisor(port, baud);
spin_lock_irqsave(&uart->port.lock, flags);
+ UART_SET_ANOMALY_THRESHOLD(uart, USEC_PER_SEC / baud * 15);
+
do {
lsr = UART_GET_LSR(uart);
} while (!(lsr & TEMT));
@@ -956,10 +948,9 @@ static void __init bfin_serial_init_ports(void)
bfin_serial_ports[i].rx_dma_channel =
bfin_serial_resource[i].uart_rx_dma_channel;
init_timer(&(bfin_serial_ports[i].rx_dma_timer));
-#else
- INIT_WORK(&bfin_serial_ports[i].cts_workqueue, bfin_serial_do_work);
#endif
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
+ INIT_WORK(&bfin_serial_ports[i].cts_workqueue, bfin_serial_do_work);
bfin_serial_ports[i].cts_pin =
bfin_serial_resource[i].uart_cts_pin;
bfin_serial_ports[i].rts_pin =
diff --git a/include/asm-blackfin/gptimers.h b/include/asm-blackfin/gptimers.h
index 8265ea4..4f318f1 100644
--- a/include/asm-blackfin/gptimers.h
+++ b/include/asm-blackfin/gptimers.h
@@ -1,12 +1,11 @@
/*
- * include/asm/bf5xx_timers.h
- *
- * This file contains the major Data structures and constants
- * used for General Purpose Timer Implementation in BF5xx
+ * gptimers.h - Blackfin General Purpose Timer structs/defines/prototypes
*
+ * Copyright (c) 2005-2008 Analog Devices Inc.
* Copyright (C) 2005 John DeHority
* Copyright (C) 2006 Hella Aglaia GmbH (awe@xxxxxxxxxxxxxx)
*
+ * Licensed under the GPL-2.
*/
#ifndef _BLACKFIN_TIMERS_H_
diff --git a/include/asm-blackfin/irq.h b/include/asm-blackfin/irq.h
index 65480da..86b6783 100644
--- a/include/asm-blackfin/irq.h
+++ b/include/asm-blackfin/irq.h
@@ -67,4 +67,6 @@ static __inline__ int irq_canonicalize(int irq)
#define NO_IRQ ((unsigned int)(-1))
#endif
+#define SIC_SYSIRQ(irq) (irq - (IRQ_CORETMR + 1))
+
#endif /* _BFIN_IRQ_H_ */
diff --git a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
index 15dbc21..c0694ec 100644
--- a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
@@ -23,7 +23,6 @@
#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH))
#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase +
OFFSET_IIR))
#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase +
OFFSET_LCR))
-#define UART_GET_LSR(uart) bfin_read16(((uart)->port.membase +
OFFSET_LSR))
#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase +
OFFSET_GCTL))
#define UART_PUT_CHAR(uart, v) bfin_write16(((uart)->port.membase +
OFFSET_THR), v)
@@ -58,6 +57,7 @@
struct bfin_serial_port {
struct uart_port port;
unsigned int old_status;
+ unsigned int lsr;
#ifdef CONFIG_SERIAL_BFIN_DMA
int tx_done;
int tx_count;
@@ -67,15 +67,31 @@ struct bfin_serial_port {
unsigned int tx_dma_channel;
unsigned int rx_dma_channel;
struct work_struct tx_dma_workqueue;
-#else
- struct work_struct cts_workqueue;
#endif
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
+ struct work_struct cts_workqueue;
int cts_pin;
int rts_pin;
#endif
};
+/* The hardware clears the LSR bits upon read, so we need to cache
+ * some of the more fun bits in software so they don't get lost
+ * when checking the LSR in other code paths (TX).
+ */
+static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart)
+{
+ unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR);
+ uart->lsr |= (lsr & (BI|FE|PE|OE));
+ return lsr | uart->lsr;
+}
+
+static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart)
+{
+ uart->lsr = 0;
+ bfin_write16(uart->port.membase + OFFSET_LSR, -1);
+}
+
struct bfin_serial_port bfin_serial_ports[NR_PORTS];
struct bfin_serial_res {
unsigned long uart_base_addr;
diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
index 7871d43..b6f513b 100644
--- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
@@ -23,7 +23,6 @@
#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH))
#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase +
OFFSET_IIR))
#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase +
OFFSET_LCR))
-#define UART_GET_LSR(uart) bfin_read16(((uart)->port.membase +
OFFSET_LSR))
#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase +
OFFSET_GCTL))
#define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase +
OFFSET_THR),v)
@@ -46,6 +45,7 @@
struct bfin_serial_port {
struct uart_port port;
unsigned int old_status;
+ unsigned int lsr;
#ifdef CONFIG_SERIAL_BFIN_DMA
int tx_done;
int tx_count;
@@ -56,14 +56,34 @@ struct bfin_serial_port {
unsigned int rx_dma_channel;
struct work_struct tx_dma_workqueue;
#else
- struct work_struct cts_workqueue;
+# if ANOMALY_05000230
+ unsigned int anomaly_threshold;
+# endif
#endif
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
+ struct work_struct cts_workqueue;
int cts_pin;
int rts_pin;
#endif
};
+/* The hardware clears the LSR bits upon read, so we need to cache
+ * some of the more fun bits in software so they don't get lost
+ * when checking the LSR in other code paths (TX).
+ */
+static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart)
+{
+ unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR);
+ uart->lsr |= (lsr & (BI|FE|PE|OE));
+ return lsr | uart->lsr;
+}
+
+static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart)
+{
+ uart->lsr = 0;
+ bfin_write16(uart->port.membase + OFFSET_LSR, -1);
+}
+
struct bfin_serial_port bfin_serial_ports[NR_PORTS];
struct bfin_serial_res {
unsigned long uart_base_addr;
diff --git a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
index 86e45c3..8fc672d 100644
--- a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
@@ -23,7 +23,6 @@
#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH))
#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase +
OFFSET_IIR))
#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase +
OFFSET_LCR))
-#define UART_GET_LSR(uart) bfin_read16(((uart)->port.membase +
OFFSET_LSR))
#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase +
OFFSET_GCTL))
#define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase +
OFFSET_THR),v)
@@ -58,6 +57,7 @@
struct bfin_serial_port {
struct uart_port port;
unsigned int old_status;
+ unsigned int lsr;
#ifdef CONFIG_SERIAL_BFIN_DMA
int tx_done;
int tx_count;
@@ -67,15 +67,31 @@ struct bfin_serial_port {
unsigned int tx_dma_channel;
unsigned int rx_dma_channel;
struct work_struct tx_dma_workqueue;
-#else
- struct work_struct cts_workqueue;
#endif
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
+ struct work_struct cts_workqueue;
int cts_pin;
int rts_pin;
#endif
};
+/* The hardware clears the LSR bits upon read, so we need to cache
+ * some of the more fun bits in software so they don't get lost
+ * when checking the LSR in other code paths (TX).
+ */
+static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart)
+{
+ unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR);
+ uart->lsr |= (lsr & (BI|FE|PE|OE));
+ return lsr | uart->lsr;
+}
+
+static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart)
+{
+ uart->lsr = 0;
+ bfin_write16(uart->port.membase + OFFSET_LSR, -1);
+}
+
struct bfin_serial_port bfin_serial_ports[NR_PORTS];
struct bfin_serial_res {
unsigned long uart_base_addr;
diff --git a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
index 3770aa3..7e6339f 100644
--- a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
@@ -24,6 +24,8 @@
#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase +
OFFSET_LCR))
#define UART_GET_LSR(uart) bfin_read16(((uart)->port.membase +
OFFSET_LSR))
#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase +
OFFSET_GCTL))
+#define UART_GET_MSR(uart) bfin_read16(((uart)->port.membase +
OFFSET_MSR))
+#define UART_GET_MCR(uart) bfin_read16(((uart)->port.membase +
OFFSET_MCR))
#define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase +
OFFSET_THR),v)
#define UART_PUT_DLL(uart,v) bfin_write16(((uart)->port.membase +
OFFSET_DLL),v)
@@ -32,7 +34,9 @@
#define UART_PUT_DLH(uart,v) bfin_write16(((uart)->port.membase +
OFFSET_DLH),v)
#define UART_PUT_LSR(uart,v) bfin_write16(((uart)->port.membase +
OFFSET_LSR),v)
#define UART_PUT_LCR(uart,v) bfin_write16(((uart)->port.membase +
OFFSET_LCR),v)
+#define UART_CLEAR_LSR(uart) bfin_write16(((uart)->port.membase +
OFFSET_LSR), -1)
#define UART_PUT_GCTL(uart,v) bfin_write16(((uart)->port.membase +
OFFSET_GCTL),v)
+#define UART_PUT_MCR(uart,v) bfin_write16(((uart)->port.membase +
OFFSET_MCR),v)
#if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS)
# define CONFIG_SERIAL_BFIN_CTSRTS
@@ -68,10 +72,9 @@ struct bfin_serial_port {
unsigned int tx_dma_channel;
unsigned int rx_dma_channel;
struct work_struct tx_dma_workqueue;
-#else
- struct work_struct cts_workqueue;
#endif
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
+ struct work_struct cts_workqueue;
int cts_pin;
int rts_pin;
#endif
diff --git a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
index 7871d43..b6f513b 100644
--- a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
@@ -23,7 +23,6 @@
#define UART_GET_DLH(uart) bfin_read16(((uart)->port.membase + OFFSET_DLH))
#define UART_GET_IIR(uart) bfin_read16(((uart)->port.membase +
OFFSET_IIR))
#define UART_GET_LCR(uart) bfin_read16(((uart)->port.membase +
OFFSET_LCR))
-#define UART_GET_LSR(uart) bfin_read16(((uart)->port.membase +
OFFSET_LSR))
#define UART_GET_GCTL(uart) bfin_read16(((uart)->port.membase +
OFFSET_GCTL))
#define UART_PUT_CHAR(uart,v) bfin_write16(((uart)->port.membase +
OFFSET_THR),v)
@@ -46,6 +45,7 @@
struct bfin_serial_port {
struct uart_port port;
unsigned int old_status;
+ unsigned int lsr;
#ifdef CONFIG_SERIAL_BFIN_DMA
int tx_done;
int tx_count;
@@ -56,14 +56,34 @@ struct bfin_serial_port {
unsigned int rx_dma_channel;
struct work_struct tx_dma_workqueue;
#else
- struct work_struct cts_workqueue;
+# if ANOMALY_05000230
+ unsigned int anomaly_threshold;
+# endif
#endif
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
+ struct work_struct cts_workqueue;
int cts_pin;
int rts_pin;
#endif
};
+/* The hardware clears the LSR bits upon read, so we need to cache
+ * some of the more fun bits in software so they don't get lost
+ * when checking the LSR in other code paths (TX).
+ */
+static inline unsigned int UART_GET_LSR(struct bfin_serial_port *uart)
+{
+ unsigned int lsr = bfin_read16(uart->port.membase + OFFSET_LSR);
+ uart->lsr |= (lsr & (BI|FE|PE|OE));
+ return lsr | uart->lsr;
+}
+
+static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart)
+{
+ uart->lsr = 0;
+ bfin_write16(uart->port.membase + OFFSET_LSR, -1);
+}
+
struct bfin_serial_port bfin_serial_ports[NR_PORTS];
struct bfin_serial_res {
unsigned long uart_base_addr;
diff --git a/include/asm-blackfin/mach-bf561/blackfin.h
b/include/asm-blackfin/mach-bf561/blackfin.h
index 362617f..3a16df2 100644
--- a/include/asm-blackfin/mach-bf561/blackfin.h
+++ b/include/asm-blackfin/mach-bf561/blackfin.h
@@ -49,7 +49,8 @@
#define bfin_read_FIO_INEN() bfin_read_FIO0_INEN()
#define bfin_write_FIO_INEN(val) bfin_write_FIO0_INEN(val)
-
+#define SIC_IWR0 SICA_IWR0
+#define SIC_IWR1 SICA_IWR1
#define SIC_IAR0 SICA_IAR0
#define bfin_write_SIC_IMASK0 bfin_write_SICA_IMASK0
#define bfin_write_SIC_IMASK1 bfin_write_SICA_IMASK1
diff --git a/include/asm-blackfin/mach-bf561/cdefBF561.h
b/include/asm-blackfin/mach-bf561/cdefBF561.h
index d667816..1bc8d2f 100644
--- a/include/asm-blackfin/mach-bf561/cdefBF561.h
+++ b/include/asm-blackfin/mach-bf561/cdefBF561.h
@@ -559,6 +559,7 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
#define bfin_write_PPI0_CONTROL(val) bfin_write16(PPI0_CONTROL,val)
#define bfin_read_PPI0_STATUS() bfin_read16(PPI0_STATUS)
#define bfin_write_PPI0_STATUS(val) bfin_write16(PPI0_STATUS,val)
+#define bfin_clear_PPI0_STATUS() bfin_read_PPI0_STATUS()
#define bfin_read_PPI0_COUNT() bfin_read16(PPI0_COUNT)
#define bfin_write_PPI0_COUNT(val) bfin_write16(PPI0_COUNT,val)
#define bfin_read_PPI0_DELAY() bfin_read16(PPI0_DELAY)
@@ -570,6 +571,7 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
#define bfin_write_PPI1_CONTROL(val) bfin_write16(PPI1_CONTROL,val)
#define bfin_read_PPI1_STATUS() bfin_read16(PPI1_STATUS)
#define bfin_write_PPI1_STATUS(val) bfin_write16(PPI1_STATUS,val)
+#define bfin_clear_PPI1_STATUS() bfin_read_PPI1_STATUS()
#define bfin_read_PPI1_COUNT() bfin_read16(PPI1_COUNT)
#define bfin_write_PPI1_COUNT(val) bfin_write16(PPI1_COUNT,val)
#define bfin_read_PPI1_DELAY() bfin_read16(PPI1_DELAY)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/