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* [U-Boot]  [PATCH v3] AT91: Add SD/MMC controller support
@ 2009-10-01  7:22 Sebastian Heutling
  2009-10-01  7:59 ` [U-Boot] AT91 working SD with u-boot Konrad Mattheis
  0 siblings, 1 reply; 10+ messages in thread
From: Sebastian Heutling @ 2009-10-01  7:22 UTC (permalink / raw)
  To: u-boot

Hello there,

I tried to get mmc working on a board using an at91sam9g20. The mmc-card 
is wired on slotb.

I applied the patches:

http://lists.denx.de/pipermail/u-boot/2009-September/060053.html
http://lists.denx.de/pipermail/u-boot/2009-August/059456.html
http://lists.denx.de/pipermail/u-boot/2009-September/060243.html

It didn't work as I always got (apart from the message of a too low 
clock which I avoided by setting f_min / f_max on my own):

mmc: command 8 failed (status: 0x0010c1e5)
mmc: command 55 failed (status: 0x0010c1e5)
mmc: command 1 failed (status: 0x0010c1e5)
Card did not respond to voltage select!

So I had a look at linux sources and discovered that the MCI selected 
the wrong slot. After modifying atmel_mci_set_ios() to set SDCR to use 
slotb ("mmci_writel(SDCR, sdcr | 1);") I got my card working.

Hope this helps someone.

Regards

Sebastian Heutling

^ permalink raw reply	[flat|nested] 10+ messages in thread
* [U-Boot] [PATCH v2] AT91: Add SD/MMC controller support
@ 2009-09-05 12:23 Albin Tonnerre
  2009-09-08 20:39 ` [U-Boot] [PATCH v3] " Albin Tonnerre
  0 siblings, 1 reply; 10+ messages in thread
From: Albin Tonnerre @ 2009-09-05 12:23 UTC (permalink / raw)
  To: u-boot

This patch allows to use the atmel_mci SD/MMC driver on the at91 architecture.
It contains:
 - initialization code for the MCI controller for all the supported AT91. It
   allows the use of only one controller even if a SoC has two controllers
   (anyway there's no support for it in atmel_mci as of now)
 - the necessary get_mci_clk_rate function
 - definition of MMCI_BASE for use in atmel_mci
 - the cpu_mmc_init function. As of now this is not used, but will be required
   when atmel_mci is ported to the new generic mmc API.

Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com>
---
Changes since v1 (http://lists.denx.de/pipermail/u-boot/2009-September/059665.html):
 - Fix the MCI controller ID in the init code for CAP9, SAM9263 and SAM9G45
 - Move AT91_BASE_MCI* define to soc header
 - define AT91_BASE_MCI{0,1} instead of AT91_BASE_MCI for boards which have 2
   controllers
 - rework the way MMCI_BASE is defined accordingly

Note: I am fully aware that MMCI0_BASE and MMCI1_BASE should be defined, instead
of MMCI_BASE. However, I'd rather wait until the patch that switches atmel_mci
to the generic mmc API is accepted, as it will be easier to do it then.

 cpu/arm926ejs/at91/at91cap9_devices.c       |   37 ++++++++++++++++++
 cpu/arm926ejs/at91/at91sam9260_devices.c    |   27 +++++++++++++
 cpu/arm926ejs/at91/at91sam9261_devices.c    |   18 +++++++++
 cpu/arm926ejs/at91/at91sam9263_devices.c    |   55 +++++++++++++++++++++++++++
 cpu/arm926ejs/at91/at91sam9m10g45_devices.c |   55 +++++++++++++++++++++++++++
 cpu/arm926ejs/at91/at91sam9rl_devices.c     |   22 +++++++++++
 cpu/arm926ejs/at91/cpu.c                    |    7 +++
 include/asm-arm/arch-at91/at91_common.h     |    2 +
 include/asm-arm/arch-at91/at91cap9.h        |    3 +
 include/asm-arm/arch-at91/at91sam9260.h     |    2 +
 include/asm-arm/arch-at91/at91sam9261.h     |    1 +
 include/asm-arm/arch-at91/at91sam9263.h     |    3 +
 include/asm-arm/arch-at91/at91sam9g45.h     |    3 +
 include/asm-arm/arch-at91/at91sam9rl.h      |    1 +
 include/asm-arm/arch-at91/clk.h             |    5 ++
 include/asm-arm/arch-at91/memory-map.h      |    6 +++
 16 files changed, 247 insertions(+), 0 deletions(-)

diff --git a/cpu/arm926ejs/at91/at91cap9_devices.c b/cpu/arm926ejs/at91/at91cap9_devices.c
index 39e405f..53a58a9 100644
--- a/cpu/arm926ejs/at91/at91cap9_devices.c
+++ b/cpu/arm926ejs/at91/at91cap9_devices.c
@@ -79,6 +79,43 @@ void at91_serial_hw_init(void)
 #endif
 }
 
+#ifdef CONFIG_ATMEL_MCI
+#ifdef CONFIG_AT91_MCI0
+void at91_mci0_hw_init(unsigned long mask)
+{
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_MCI0);
+	at91_set_A_periph(AT91_PIN_PA2, 0);
+
+	if (mask & (1 << 0)) {
+		at91_set_A_periph(AT91_PIN_PA0, 1);
+		at91_set_A_periph(AT91_PIN_PA1, 1);
+		if (mask & (1 << 1)) {
+			at91_set_A_periph(AT91_PIN_PA3, 1);
+			at91_set_A_periph(AT91_PIN_PA4, 1);
+			at91_set_A_periph(AT91_PIN_PA5, 1);
+		}
+	}
+}
+#endif
+#ifdef CONFIG_AT91_MCI1
+void at91_mci1_hw_init(unsigned long mask)
+{
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_MCI1);
+	at91_set_A_periph(AT91_PIN_PA16, 0);
+
+	if (mask & (1 << 0)) {
+		at91_set_A_periph(AT91_PIN_PA17, 1);
+		at91_set_A_periph(AT91_PIN_PA18, 1);
+		if (mask & (1 << 1)) {
+			at91_set_A_periph(AT91_PIN_PA19, 1);
+			at91_set_A_periph(AT91_PIN_PA20, 1);
+			at91_set_A_periph(AT91_PIN_PA21, 1);
+		}
+	}
+}
+#endif
+#endif
+
 #ifdef CONFIG_HAS_DATAFLASH
 void at91_spi0_hw_init(unsigned long cs_mask)
 {
diff --git a/cpu/arm926ejs/at91/at91sam9260_devices.c b/cpu/arm926ejs/at91/at91sam9260_devices.c
index f86cb99..ea22030 100644
--- a/cpu/arm926ejs/at91/at91sam9260_devices.c
+++ b/cpu/arm926ejs/at91/at91sam9260_devices.c
@@ -75,6 +75,33 @@ void at91_serial_hw_init(void)
 #endif
 }
 
+#ifdef CONFIG_ATMEL_MCI
+void at91_mci0_hw_init(unsigned long mask)
+{
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_MCI);
+	at91_set_A_periph(AT91_PIN_PA8, 0);
+
+	if (mask & (1 << 0)) {
+		at91_set_A_periph(AT91_PIN_PA6, 1);
+		at91_set_A_periph(AT91_PIN_PA7, 1);
+		if (mask & (1 << 1)) {
+			at91_set_A_periph(AT91_PIN_PA9, 1);
+			at91_set_A_periph(AT91_PIN_PA10, 1);
+			at91_set_A_periph(AT91_PIN_PA11, 1);
+		}
+	}
+	if (mask & (1 << 2)) {
+		at91_set_B_periph(AT91_PIN_PA0, 1);
+		at91_set_B_periph(AT91_PIN_PA1, 1);
+		if (mask & (1 << 3)) {
+			at91_set_B_periph(AT91_PIN_PA3, 1);
+			at91_set_B_periph(AT91_PIN_PA4, 1);
+			at91_set_B_periph(AT91_PIN_PA5, 1);
+		}
+	}
+}
+#endif /* ATMEL_MCI */
+
 #if defined(CONFIG_HAS_DATAFLASH) || defined(CONFIG_ATMEL_SPI)
 void at91_spi0_hw_init(unsigned long cs_mask)
 {
diff --git a/cpu/arm926ejs/at91/at91sam9261_devices.c b/cpu/arm926ejs/at91/at91sam9261_devices.c
index 16d411f..7ee573c 100644
--- a/cpu/arm926ejs/at91/at91sam9261_devices.c
+++ b/cpu/arm926ejs/at91/at91sam9261_devices.c
@@ -75,6 +75,24 @@ void at91_serial_hw_init(void)
 #endif
 }
 
+#ifdef CONFIG_ATMEL_MCI
+void at91_mci0_hw_init(unsigned long mask)
+{
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_MCI);
+	at91_set_B_periph(AT91_PIN_PA2, 0);
+
+	if (mask & (1 << 0)) {
+		at91_set_B_periph(AT91_PIN_PA0, 1);
+		at91_set_B_periph(AT91_PIN_PA1, 1);
+		if (mask & (1 << 1)) {
+			at91_set_B_periph(AT91_PIN_PA4, 1);
+			at91_set_B_periph(AT91_PIN_PA5, 1);
+			at91_set_B_periph(AT91_PIN_PA6, 1);
+		}
+	}
+}
+#endif /* ATMEL_MCI */
+
 #ifdef CONFIG_HAS_DATAFLASH
 void at91_spi0_hw_init(unsigned long cs_mask)
 {
diff --git a/cpu/arm926ejs/at91/at91sam9263_devices.c b/cpu/arm926ejs/at91/at91sam9263_devices.c
index f72efdf..6a89fab 100644
--- a/cpu/arm926ejs/at91/at91sam9263_devices.c
+++ b/cpu/arm926ejs/at91/at91sam9263_devices.c
@@ -79,6 +79,61 @@ void at91_serial_hw_init(void)
 #endif
 }
 
+#ifdef CONFIG_ATMEL_MCI
+#ifdef CONFIG_AT91_MCI0
+void at91_mci0_hw_init(unsigned long mask)
+{
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_MCI0);
+	at91_set_A_periph(AT91_PIN_PA12, 0);
+
+	if (mask & (1 << 0)) {
+		at91_set_A_periph(AT91_PIN_PA0, 1);
+		at91_set_A_periph(AT91_PIN_PA1, 1);
+		if (mask & (1 << 1)) {
+			at91_set_A_periph(AT91_PIN_PA3, 1);
+			at91_set_A_periph(AT91_PIN_PA4, 1);
+			at91_set_A_periph(AT91_PIN_PA5, 1);
+		}
+	}
+	if (mask & (1 << 2)) {
+		at91_set_A_periph(AT91_PIN_PA16, 1);
+		at91_set_A_periph(AT91_PIN_PA17, 1);
+		if (mask & (1 << 3)) {
+			at91_set_A_periph(AT91_PIN_PA18, 1);
+			at91_set_A_periph(AT91_PIN_PA19, 1);
+			at91_set_A_periph(AT91_PIN_PA20, 1);
+		}
+	}
+}
+#endif
+#ifdef CONFIG_AT91_MCI1
+void at91_mci1_hw_init(unsigned long mask)
+{
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_MCI1);
+	at91_set_A_periph(AT91_PIN_PA6, 0);
+
+	if (mask & (1 << 0)) {
+		at91_set_A_periph(AT91_PIN_PA7, 1);
+		at91_set_A_periph(AT91_PIN_PA8, 1);
+		if (mask & (1 << 1)) {
+			at91_set_A_periph(AT91_PIN_PA9, 1);
+			at91_set_A_periph(AT91_PIN_PA10, 1);
+			at91_set_A_periph(AT91_PIN_PA11, 1);
+		}
+	}
+	if (mask & (1 << 2)) {
+		at91_set_B_periph(AT91_PIN_PA21, 1);
+		at91_set_B_periph(AT91_PIN_PA22, 1);
+		if (mask & (1 << 3)) {
+			at91_set_B_periph(AT91_PIN_PA23, 1);
+			at91_set_B_periph(AT91_PIN_PA24, 1);
+			at91_set_B_periph(AT91_PIN_PA25, 1);
+		}
+	}
+}
+#endif
+#endif
+
 #ifdef CONFIG_HAS_DATAFLASH
 void at91_spi0_hw_init(unsigned long cs_mask)
 {
diff --git a/cpu/arm926ejs/at91/at91sam9m10g45_devices.c b/cpu/arm926ejs/at91/at91sam9m10g45_devices.c
index 98d90f2..c4db5f4 100644
--- a/cpu/arm926ejs/at91/at91sam9m10g45_devices.c
+++ b/cpu/arm926ejs/at91/at91sam9m10g45_devices.c
@@ -75,6 +75,61 @@ void at91_serial_hw_init(void)
 #endif
 }
 
+#ifdef CONFIG_ATMEL_MCI
+#ifdef CONFIG_AT91_MCI0
+void at91_mci0_hw_init(unsigned long mask)
+{
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9G45_ID_MCI0);
+	at91_set_A_periph(AT91_PIN_PA12, 0);
+
+	if (mask & (1 << 0)) {
+		at91_set_A_periph(AT91_PIN_PA0, 1);
+		at91_set_A_periph(AT91_PIN_PA1, 1);
+		if (mask & (1 << 1)) {
+			at91_set_A_periph(AT91_PIN_PA3, 1);
+			at91_set_A_periph(AT91_PIN_PA4, 1);
+			at91_set_A_periph(AT91_PIN_PA5, 1);
+		}
+	}
+	if (mask & (1 << 2)) {
+		at91_set_A_periph(AT91_PIN_PA16, 1);
+		at91_set_A_periph(AT91_PIN_PA17, 1);
+		if (mask & (1 << 3)) {
+			at91_set_A_periph(AT91_PIN_PA18, 1);
+			at91_set_A_periph(AT91_PIN_PA19, 1);
+			at91_set_A_periph(AT91_PIN_PA20, 1);
+		}
+	}
+}
+#endif
+#ifdef CONFIG_AT91_MCI1
+void at91_mci1_hw_init(unsigned long mask)
+{
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9G45_ID_MCI1);
+	at91_set_A_periph(AT91_PIN_PA6, 0);
+
+	if (mask & (1 << 0)) {
+		at91_set_A_periph(AT91_PIN_PA7, 1);
+		at91_set_A_periph(AT91_PIN_PA8, 1);
+		if (mask & (1 << 1)) {
+			at91_set_A_periph(AT91_PIN_PA9, 1);
+			at91_set_A_periph(AT91_PIN_PA10, 1);
+			at91_set_A_periph(AT91_PIN_PA11, 1);
+		}
+	}
+	if (mask & (1 << 2)) {
+		at91_set_B_periph(AT91_PIN_PA0, 1);
+		at91_set_B_periph(AT91_PIN_PA1, 1);
+		if (mask & (1 << 3)) {
+			at91_set_B_periph(AT91_PIN_PA3, 1);
+			at91_set_B_periph(AT91_PIN_PA4, 1);
+			at91_set_B_periph(AT91_PIN_PA5, 1);
+		}
+	}
+}
+#endif
+#endif
+
 #ifdef CONFIG_ATMEL_SPI
 void at91_spi0_hw_init(unsigned long cs_mask)
 {
diff --git a/cpu/arm926ejs/at91/at91sam9rl_devices.c b/cpu/arm926ejs/at91/at91sam9rl_devices.c
index ebed193..41ae4a8 100644
--- a/cpu/arm926ejs/at91/at91sam9rl_devices.c
+++ b/cpu/arm926ejs/at91/at91sam9rl_devices.c
@@ -75,6 +75,28 @@ void at91_serial_hw_init(void)
 #endif
 }
 
+/* 
+ * The AT91SAM9RL64 is said to have 2 slots, but the datasheet doesn't
+ * seem to mention to what pins the second slot is assigned
+ */
+#ifdef CONFIG_ATMEL_MCI
+void at91_mci0_hw_init(unsigned long mask)
+{
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_MCI);
+	at91_set_A_periph(AT91_PIN_PA2, 0);
+
+	if (mask & (1 << 0)) {
+		at91_set_A_periph(AT91_PIN_PA0, 1);
+		at91_set_A_periph(AT91_PIN_PA1, 1);
+		if (mask & (1 << 1)) {
+			at91_set_A_periph(AT91_PIN_PA3, 1);
+			at91_set_A_periph(AT91_PIN_PA4, 1);
+			at91_set_A_periph(AT91_PIN_PA5, 1);
+		}
+	}
+}
+#endif /* ATMEL_MCI */
+
 #ifdef CONFIG_HAS_DATAFLASH
 void at91_spi0_hw_init(unsigned long cs_mask)
 {
diff --git a/cpu/arm926ejs/at91/cpu.c b/cpu/arm926ejs/at91/cpu.c
index f2f7b62..f96b715 100644
--- a/cpu/arm926ejs/at91/cpu.c
+++ b/cpu/arm926ejs/at91/cpu.c
@@ -52,3 +52,10 @@ int print_cpuinfo(void)
 	return 0;
 }
 #endif
+
+#ifdef CONFIG_GENERIC_MMC
+int cpu_mmc_init(bd_t *bis)
+{
+	atmel_mci_init(bis);
+}
+#endif /* GENERIC_MMC */
diff --git a/include/asm-arm/arch-at91/at91_common.h b/include/asm-arm/arch-at91/at91_common.h
index 01840ee..01fcdd6 100644
--- a/include/asm-arm/arch-at91/at91_common.h
+++ b/include/asm-arm/arch-at91/at91_common.h
@@ -32,6 +32,8 @@ void at91_serial0_hw_init(void);
 void at91_serial1_hw_init(void);
 void at91_serial2_hw_init(void);
 void at91_serial3_hw_init(void);
+void at91_mci0_hw_init(unsigned long mask);
+void at91_mci1_hw_init(unsigned long mask);
 void at91_spi0_hw_init(unsigned long cs_mask);
 void at91_spi1_hw_init(unsigned long cs_mask);
 void at91_uhp_hw_init(void);
diff --git a/include/asm-arm/arch-at91/at91cap9.h b/include/asm-arm/arch-at91/at91cap9.h
index b128ac5..2ad3280 100644
--- a/include/asm-arm/arch-at91/at91cap9.h
+++ b/include/asm-arm/arch-at91/at91cap9.h
@@ -109,6 +109,9 @@
 #define AT91_USART1	AT91CAP9_BASE_US1
 #define AT91_USART2	AT91CAP9_BASE_US2
 
+#define AT91_BASE_MCI0	AT91CAP9_BASE_MCI0
+#define AT91_BASE_MCI1	AT91CAP9_BASE_MCI1
+
 /*
  * SCKCR flags
  */
diff --git a/include/asm-arm/arch-at91/at91sam9260.h b/include/asm-arm/arch-at91/at91sam9260.h
index 73975f4..b92f0ee 100644
--- a/include/asm-arm/arch-at91/at91sam9260.h
+++ b/include/asm-arm/arch-at91/at91sam9260.h
@@ -105,6 +105,8 @@
 #define AT91_USART4	AT91SAM9260_BASE_US4
 #define AT91_USART5	AT91SAM9260_BASE_US5
 
+#define AT91_BASE_MCI0	AT91SAM9260_BASE_MCI
+
 /*
  * Internal Memory.
  */
diff --git a/include/asm-arm/arch-at91/at91sam9261.h b/include/asm-arm/arch-at91/at91sam9261.h
index b303e07..11fdc3e 100644
--- a/include/asm-arm/arch-at91/at91sam9261.h
+++ b/include/asm-arm/arch-at91/at91sam9261.h
@@ -88,6 +88,7 @@
 #define AT91_USART1	AT91SAM9261_BASE_US1
 #define AT91_USART2	AT91SAM9261_BASE_US2
 
+#define AT91_BASE_MCI0	AT91SAM9261_BASE_MCI
 
 /*
  * Internal Memory.
diff --git a/include/asm-arm/arch-at91/at91sam9263.h b/include/asm-arm/arch-at91/at91sam9263.h
index 966a683..6bf124b 100644
--- a/include/asm-arm/arch-at91/at91sam9263.h
+++ b/include/asm-arm/arch-at91/at91sam9263.h
@@ -108,6 +108,9 @@
 #define AT91_SMC	AT91_SMC0
 #define AT91_SDRAMC	AT91_SDRAMC0
 
+#define AT91_BASE_MCI0	AT91SAM9263_BASE_MCI0
+#define AT91_BASE_MCI1	AT91SAM9263_BASE_MCI1
+
 /*
  * Internal Memory.
  */
diff --git a/include/asm-arm/arch-at91/at91sam9g45.h b/include/asm-arm/arch-at91/at91sam9g45.h
index 0feed9c..16deadc 100644
--- a/include/asm-arm/arch-at91/at91sam9g45.h
+++ b/include/asm-arm/arch-at91/at91sam9g45.h
@@ -114,6 +114,9 @@
 #define AT91_USART2	AT91SAM9G45_BASE_US2
 #define AT91_USART3	AT91SAM9G45_BASE_US3
 
+#define AT91_BASE_MCI0	AT91SAM9G45_BASE_MCI0
+#define AT91_BASE_MCI1	AT91SAM9G45_BASE_MCI1
+
 /*
  * Internal Memory.
  */
diff --git a/include/asm-arm/arch-at91/at91sam9rl.h b/include/asm-arm/arch-at91/at91sam9rl.h
index 4dd8037..f0da7a2 100644
--- a/include/asm-arm/arch-at91/at91sam9rl.h
+++ b/include/asm-arm/arch-at91/at91sam9rl.h
@@ -99,6 +99,7 @@
 #define AT91_USART2	AT91SAM9RL_BASE_US2
 #define AT91_USART3	AT91SAM9RL_BASE_US3
 
+#define AT91_BASE_MCI0	AT91SAM9RL_BASE_MCI
 
 /*
  * Internal Memory.
diff --git a/include/asm-arm/arch-at91/clk.h b/include/asm-arm/arch-at91/clk.h
index f642dd9..457e6c9 100644
--- a/include/asm-arm/arch-at91/clk.h
+++ b/include/asm-arm/arch-at91/clk.h
@@ -59,5 +59,10 @@ static inline unsigned long get_twi_clk_rate(unsigned int dev_id)
 	return get_mck_clk_rate();
 }
 
+static inline unsigned long get_mci_clk_rate(void)
+{
+	return get_mck_clk_rate();
+}
+
 int at91_clock_init(unsigned long main_clock);
 #endif /* __ASM_ARM_ARCH_CLK_H__ */
diff --git a/include/asm-arm/arch-at91/memory-map.h b/include/asm-arm/arch-at91/memory-map.h
index f605f37..445d128 100644
--- a/include/asm-arm/arch-at91/memory-map.h
+++ b/include/asm-arm/arch-at91/memory-map.h
@@ -32,4 +32,10 @@
 #define USART3_BASE (AT91_BASE_SYS + AT91_DBGU)
 #define SPI0_BASE	AT91_BASE_SPI
 
+#ifndef (CONFIG_AT91_MCI1)
+#  define MMCI_BASE AT91_BASE_MCI0
+#else
+#  define MMCI_BASE AT91_BASE_MCI1
+#endif
+
 #endif /* __ASM_ARM_ARCH_MEMORYMAP_H__ */
-- 
1.6.3.3

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2009-10-01  7:22 [U-Boot] [PATCH v3] AT91: Add SD/MMC controller support Sebastian Heutling
2009-10-01  7:59 ` [U-Boot] AT91 working SD with u-boot Konrad Mattheis
2009-10-01  8:25   ` Sebastian Heutling
2009-10-01  8:33     ` Konrad Mattheis
2009-10-01  9:28       ` Sebastian Heutling
2009-10-04 12:54         ` Albin Tonnerre
2010-05-26 19:03     ` Kalyan
  -- strict thread matches above, loose matches on Subject: below --
2009-09-05 12:23 [U-Boot] [PATCH v2] AT91: Add SD/MMC controller support Albin Tonnerre
2009-09-08 20:39 ` [U-Boot] [PATCH v3] " Albin Tonnerre
2009-11-22 21:17   ` Wolfgang Denk
2009-11-23 19:42     ` Albin Tonnerre

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