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-rw-r--r--firmware/target/arm/i2c-pp.c2
-rw-r--r--firmware/target/arm/ipod/1g2g/adc-ipod-1g2g.c2
-rw-r--r--firmware/target/arm/ipod/app.lds56
-rw-r--r--firmware/target/arm/ipod/boot.lds2
-rw-r--r--firmware/target/arm/iriver/app.lds56
-rw-r--r--firmware/target/arm/iriver/boot.lds2
-rw-r--r--firmware/target/arm/iriver/h10/lcd-h10_20gb.c2
-rw-r--r--firmware/target/arm/olympus/app.lds56
-rw-r--r--firmware/target/arm/olympus/boot.lds2
-rw-r--r--firmware/target/arm/pcm-pp.c6
-rw-r--r--firmware/target/arm/sandisk/app.lds56
-rw-r--r--firmware/target/arm/sandisk/ata-c200_e200.c2
-rw-r--r--firmware/target/arm/sandisk/boot.lds2
-rw-r--r--firmware/target/arm/sandisk/sansa-c200/lcd-c200.c2
-rw-r--r--firmware/target/arm/sandisk/sansa-e200/lcd-e200.c4
-rw-r--r--firmware/target/arm/system-target.h2
-rw-r--r--firmware/target/arm/tcc780x/ata-nand-tcc780x.c2
17 files changed, 204 insertions, 52 deletions
diff --git a/firmware/target/arm/i2c-pp.c b/firmware/target/arm/i2c-pp.c
index 450effc32d..40eb80cfe1 100644
--- a/firmware/target/arm/i2c-pp.c
+++ b/firmware/target/arm/i2c-pp.c
@@ -33,7 +33,7 @@
#include "as3514.h"
/* Local functions definitions */
-static struct mutex i2c_mtx NOCACHEBSS_ATTR;
+static struct mutex i2c_mtx SHAREDBSS_ATTR;
#define POLL_TIMEOUT (HZ)
diff --git a/firmware/target/arm/ipod/1g2g/adc-ipod-1g2g.c b/firmware/target/arm/ipod/1g2g/adc-ipod-1g2g.c
index f80412023d..564eb2e642 100644
--- a/firmware/target/arm/ipod/1g2g/adc-ipod-1g2g.c
+++ b/firmware/target/arm/ipod/1g2g/adc-ipod-1g2g.c
@@ -22,7 +22,7 @@
#include "hwcompat.h"
#include "kernel.h"
-static struct mutex adc_mtx NOCACHEBSS_ATTR;
+static struct mutex adc_mtx SHAREDBSS_ATTR;
/* used in the 2nd gen ADC interrupt */
static unsigned int_data;
diff --git a/firmware/target/arm/ipod/app.lds b/firmware/target/arm/ipod/app.lds
index 765a5f0389..54af494d72 100644
--- a/firmware/target/arm/ipod/app.lds
+++ b/firmware/target/arm/ipod/app.lds
@@ -21,6 +21,14 @@ INPUT(target/arm/crt0-pp.o)
#define IRAMORIG 0x40000000
#define IRAMSIZE 0xc000
+#ifdef CPU_PP502x
+#define NOCACHE_BASE 0x10000000
+#else
+#define NOCACHE_BASE 0x28000000
+#endif
+
+#define CACHEALIGN_SIZE 16
+
/* End of the audio buffer, where the codec buffer starts */
#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE)
@@ -70,6 +78,18 @@ SECTIONS
_dataend = .;
} > DRAM
+#if NOCACHE_BASE != 0
+ /* .ncdata section is placed at uncached physical alias address and is
+ * loaded at the proper cached virtual address - no copying is
+ * performed in the init code */
+ .ncdata . + NOCACHE_BASE :
+ {
+ . = ALIGN(CACHEALIGN_SIZE);
+ *(.ncdata*)
+ . = ALIGN(CACHEALIGN_SIZE);
+ } AT> DRAM
+#endif
+
/DISCARD/ :
{
*(.eh_frame)
@@ -103,7 +123,7 @@ SECTIONS
_iend = .;
} > IRAM
- .idle_stacks :
+ .idle_stacks (NOLOAD) :
{
*(.idle_stacks)
#if NUM_CORES > 1
@@ -116,7 +136,7 @@ SECTIONS
cop_idlestackend = .;
} > IRAM
- .stack :
+ .stack (NOLOAD) :
{
*(.stack)
stackbegin = .;
@@ -124,37 +144,53 @@ SECTIONS
stackend = .;
} > IRAM
- .bss ADDR(.data) + SIZEOF(.data) + SIZEOF(.iram) + SIZEOF(.vectors):
+ /* .bss and .ncbss are treated as a single section to use one init loop to
+ * zero it - note "_edata" and "_end" */
+ .bss ADDR(.data) + SIZEOF(.data) + SIZEOF(.ncdata) +\
+ SIZEOF(.iram) + SIZEOF(.vectors) (NOLOAD) :
{
_edata = .;
*(.bss*)
*(COMMON)
. = ALIGN(0x4);
- _end = .;
} > DRAM
- .audiobuf ALIGN(4) :
+#if NOCACHE_BASE != 0
+ .ncbss . + NOCACHE_BASE (NOLOAD):
+ {
+ . = ALIGN(CACHEALIGN_SIZE);
+ *(.ncbss*)
+ . = ALIGN(CACHEALIGN_SIZE);
+ } AT> DRAM
+#endif
+
+ /* This will be aligned by preceding alignments */
+ .endaddr . - NOCACHE_BASE (NOLOAD) :
+ {
+ _end = .;
+ } > DRAM
+
+ .audiobuf (NOLOAD) :
{
_audiobuffer = .;
audiobuffer = .;
} > DRAM
-
- .audiobufend ENDAUDIOADDR:
+
+ .audiobufend ENDAUDIOADDR (NOLOAD) :
{
audiobufend = .;
_audiobufend = .;
} > DRAM
- .codec ENDAUDIOADDR:
+ .codec ENDAUDIOADDR (NOLOAD) :
{
codecbuf = .;
_codecbuf = .;
}
- .plugin ENDADDR:
+ .plugin ENDADDR (NOLOAD) :
{
_pluginbuf = .;
pluginbuf = .;
}
}
-
diff --git a/firmware/target/arm/ipod/boot.lds b/firmware/target/arm/ipod/boot.lds
index 2f2f4f91a1..1f9c65d31c 100644
--- a/firmware/target/arm/ipod/boot.lds
+++ b/firmware/target/arm/ipod/boot.lds
@@ -43,6 +43,7 @@ SECTIONS
*(.irodata)
*(.idata)
*(.data*)
+ *(.ncdata*);
_dataend = . ;
}
@@ -64,6 +65,7 @@ SECTIONS
_edata = .;
*(.bss*);
*(.ibss);
+ *(.ncbss*);
_end = .;
}
}
diff --git a/firmware/target/arm/iriver/app.lds b/firmware/target/arm/iriver/app.lds
index 765a5f0389..54af494d72 100644
--- a/firmware/target/arm/iriver/app.lds
+++ b/firmware/target/arm/iriver/app.lds
@@ -21,6 +21,14 @@ INPUT(target/arm/crt0-pp.o)
#define IRAMORIG 0x40000000
#define IRAMSIZE 0xc000
+#ifdef CPU_PP502x
+#define NOCACHE_BASE 0x10000000
+#else
+#define NOCACHE_BASE 0x28000000
+#endif
+
+#define CACHEALIGN_SIZE 16
+
/* End of the audio buffer, where the codec buffer starts */
#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE)
@@ -70,6 +78,18 @@ SECTIONS
_dataend = .;
} > DRAM
+#if NOCACHE_BASE != 0
+ /* .ncdata section is placed at uncached physical alias address and is
+ * loaded at the proper cached virtual address - no copying is
+ * performed in the init code */
+ .ncdata . + NOCACHE_BASE :
+ {
+ . = ALIGN(CACHEALIGN_SIZE);
+ *(.ncdata*)
+ . = ALIGN(CACHEALIGN_SIZE);
+ } AT> DRAM
+#endif
+
/DISCARD/ :
{
*(.eh_frame)
@@ -103,7 +123,7 @@ SECTIONS
_iend = .;
} > IRAM
- .idle_stacks :
+ .idle_stacks (NOLOAD) :
{
*(.idle_stacks)
#if NUM_CORES > 1
@@ -116,7 +136,7 @@ SECTIONS
cop_idlestackend = .;
} > IRAM
- .stack :
+ .stack (NOLOAD) :
{
*(.stack)
stackbegin = .;
@@ -124,37 +144,53 @@ SECTIONS
stackend = .;
} > IRAM
- .bss ADDR(.data) + SIZEOF(.data) + SIZEOF(.iram) + SIZEOF(.vectors):
+ /* .bss and .ncbss are treated as a single section to use one init loop to
+ * zero it - note "_edata" and "_end" */
+ .bss ADDR(.data) + SIZEOF(.data) + SIZEOF(.ncdata) +\
+ SIZEOF(.iram) + SIZEOF(.vectors) (NOLOAD) :
{
_edata = .;
*(.bss*)
*(COMMON)
. = ALIGN(0x4);
- _end = .;
} > DRAM
- .audiobuf ALIGN(4) :
+#if NOCACHE_BASE != 0
+ .ncbss . + NOCACHE_BASE (NOLOAD):
+ {
+ . = ALIGN(CACHEALIGN_SIZE);
+ *(.ncbss*)
+ . = ALIGN(CACHEALIGN_SIZE);
+ } AT> DRAM
+#endif
+
+ /* This will be aligned by preceding alignments */
+ .endaddr . - NOCACHE_BASE (NOLOAD) :
+ {
+ _end = .;
+ } > DRAM
+
+ .audiobuf (NOLOAD) :
{
_audiobuffer = .;
audiobuffer = .;
} > DRAM
-
- .audiobufend ENDAUDIOADDR:
+
+ .audiobufend ENDAUDIOADDR (NOLOAD) :
{
audiobufend = .;
_audiobufend = .;
} > DRAM
- .codec ENDAUDIOADDR:
+ .codec ENDAUDIOADDR (NOLOAD) :
{
codecbuf = .;
_codecbuf = .;
}
- .plugin ENDADDR:
+ .plugin ENDADDR (NOLOAD) :
{
_pluginbuf = .;
pluginbuf = .;
}
}
-
diff --git a/firmware/target/arm/iriver/boot.lds b/firmware/target/arm/iriver/boot.lds
index 5fbe999333..971ec6627b 100644
--- a/firmware/target/arm/iriver/boot.lds
+++ b/firmware/target/arm/iriver/boot.lds
@@ -27,6 +27,7 @@ SECTIONS
*(.irodata)
*(.idata)
*(.data*)
+ *(.ncdata*);
_dataend = . ;
}
@@ -48,6 +49,7 @@ SECTIONS
_edata = .;
*(.bss*);
*(.ibss);
+ *(.ncbss*);
_end = .;
}
}
diff --git a/firmware/target/arm/iriver/h10/lcd-h10_20gb.c b/firmware/target/arm/iriver/h10/lcd-h10_20gb.c
index 1c4116d2e7..1ee43c390f 100644
--- a/firmware/target/arm/iriver/h10/lcd-h10_20gb.c
+++ b/firmware/target/arm/iriver/h10/lcd-h10_20gb.c
@@ -34,7 +34,7 @@ static unsigned short disp_control_rev;
/* Contrast setting << 8 */
static int lcd_contrast;
-static unsigned lcd_yuv_options NOCACHEBSS_ATTR = 0;
+static unsigned lcd_yuv_options SHAREDBSS_ATTR = 0;
/* Forward declarations */
static void lcd_display_off(void);
diff --git a/firmware/target/arm/olympus/app.lds b/firmware/target/arm/olympus/app.lds
index 765a5f0389..54af494d72 100644
--- a/firmware/target/arm/olympus/app.lds
+++ b/firmware/target/arm/olympus/app.lds
@@ -21,6 +21,14 @@ INPUT(target/arm/crt0-pp.o)
#define IRAMORIG 0x40000000
#define IRAMSIZE 0xc000
+#ifdef CPU_PP502x
+#define NOCACHE_BASE 0x10000000
+#else
+#define NOCACHE_BASE 0x28000000
+#endif
+
+#define CACHEALIGN_SIZE 16
+
/* End of the audio buffer, where the codec buffer starts */
#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE)
@@ -70,6 +78,18 @@ SECTIONS
_dataend = .;
} > DRAM
+#if NOCACHE_BASE != 0
+ /* .ncdata section is placed at uncached physical alias address and is
+ * loaded at the proper cached virtual address - no copying is
+ * performed in the init code */
+ .ncdata . + NOCACHE_BASE :
+ {
+ . = ALIGN(CACHEALIGN_SIZE);
+ *(.ncdata*)
+ . = ALIGN(CACHEALIGN_SIZE);
+ } AT> DRAM
+#endif
+
/DISCARD/ :
{
*(.eh_frame)
@@ -103,7 +123,7 @@ SECTIONS
_iend = .;
} > IRAM
- .idle_stacks :
+ .idle_stacks (NOLOAD) :
{
*(.idle_stacks)
#if NUM_CORES > 1
@@ -116,7 +136,7 @@ SECTIONS
cop_idlestackend = .;
} > IRAM
- .stack :
+ .stack (NOLOAD) :
{
*(.stack)
stackbegin = .;
@@ -124,37 +144,53 @@ SECTIONS
stackend = .;
} > IRAM
- .bss ADDR(.data) + SIZEOF(.data) + SIZEOF(.iram) + SIZEOF(.vectors):
+ /* .bss and .ncbss are treated as a single section to use one init loop to
+ * zero it - note "_edata" and "_end" */
+ .bss ADDR(.data) + SIZEOF(.data) + SIZEOF(.ncdata) +\
+ SIZEOF(.iram) + SIZEOF(.vectors) (NOLOAD) :
{
_edata = .;
*(.bss*)
*(COMMON)
. = ALIGN(0x4);
- _end = .;
} > DRAM
- .audiobuf ALIGN(4) :
+#if NOCACHE_BASE != 0
+ .ncbss . + NOCACHE_BASE (NOLOAD):
+ {
+ . = ALIGN(CACHEALIGN_SIZE);
+ *(.ncbss*)
+ . = ALIGN(CACHEALIGN_SIZE);
+ } AT> DRAM
+#endif
+
+ /* This will be aligned by preceding alignments */
+ .endaddr . - NOCACHE_BASE (NOLOAD) :
+ {
+ _end = .;
+ } > DRAM
+
+ .audiobuf (NOLOAD) :
{
_audiobuffer = .;
audiobuffer = .;
} > DRAM
-
- .audiobufend ENDAUDIOADDR:
+
+ .audiobufend ENDAUDIOADDR (NOLOAD) :
{
audiobufend = .;
_audiobufend = .;
} > DRAM
- .codec ENDAUDIOADDR:
+ .codec ENDAUDIOADDR (NOLOAD) :
{
codecbuf = .;
_codecbuf = .;
}
- .plugin ENDADDR:
+ .plugin ENDADDR (NOLOAD) :
{
_pluginbuf = .;
pluginbuf = .;
}
}
-
diff --git a/firmware/target/arm/olympus/boot.lds b/firmware/target/arm/olympus/boot.lds
index 5fbe999333..2c0245072c 100644
--- a/firmware/target/arm/olympus/boot.lds
+++ b/firmware/target/arm/olympus/boot.lds
@@ -27,6 +27,7 @@ SECTIONS
*(.irodata)
*(.idata)
*(.data*)
+ *(.ncdata*)
_dataend = . ;
}
@@ -48,6 +49,7 @@ SECTIONS
_edata = .;
*(.bss*);
*(.ibss);
+ *(.ncbss*);
_end = .;
}
}
diff --git a/firmware/target/arm/pcm-pp.c b/firmware/target/arm/pcm-pp.c
index 433e6e1e4f..64c6d0cdc8 100644
--- a/firmware/target/arm/pcm-pp.c
+++ b/firmware/target/arm/pcm-pp.c
@@ -72,7 +72,7 @@ void fiq_handler(void)
/****************************************************************************
** Playback DMA transfer
**/
-struct dma_data dma_play_data NOCACHEBSS_ATTR =
+struct dma_data dma_play_data SHAREDBSS_ATTR =
{
/* Initialize to a locked, stopped state */
.p = NULL,
@@ -84,7 +84,7 @@ struct dma_data dma_play_data NOCACHEBSS_ATTR =
.state = 0
};
-static unsigned long pcm_freq NOCACHEDATA_ATTR = HW_SAMPR_DEFAULT; /* 44.1 is default */
+static unsigned long pcm_freq SHAREDDATA_ATTR = HW_SAMPR_DEFAULT; /* 44.1 is default */
#ifdef HAVE_WM8751
/* Samplerate control for audio codec */
static int sr_ctrl = MROBE100_44100HZ;
@@ -356,7 +356,7 @@ const void * pcm_play_dma_get_peak_buffer(int *count)
**/
#ifdef HAVE_RECORDING
/* PCM recording interrupt routine lockout */
-static struct dma_data dma_rec_data NOCACHEBSS_ATTR =
+static struct dma_data dma_rec_data SHAREDBSS_ATTR =
{
/* Initialize to a locked, stopped state */
.p = NULL,
diff --git a/firmware/target/arm/sandisk/app.lds b/firmware/target/arm/sandisk/app.lds
index 765a5f0389..54af494d72 100644
--- a/firmware/target/arm/sandisk/app.lds
+++ b/firmware/target/arm/sandisk/app.lds
@@ -21,6 +21,14 @@ INPUT(target/arm/crt0-pp.o)
#define IRAMORIG 0x40000000
#define IRAMSIZE 0xc000
+#ifdef CPU_PP502x
+#define NOCACHE_BASE 0x10000000
+#else
+#define NOCACHE_BASE 0x28000000
+#endif
+
+#define CACHEALIGN_SIZE 16
+
/* End of the audio buffer, where the codec buffer starts */
#define ENDAUDIOADDR (DRAMORIG + DRAMSIZE)
@@ -70,6 +78,18 @@ SECTIONS
_dataend = .;
} > DRAM
+#if NOCACHE_BASE != 0
+ /* .ncdata section is placed at uncached physical alias address and is
+ * loaded at the proper cached virtual address - no copying is
+ * performed in the init code */
+ .ncdata . + NOCACHE_BASE :
+ {
+ . = ALIGN(CACHEALIGN_SIZE);
+ *(.ncdata*)
+ . = ALIGN(CACHEALIGN_SIZE);
+ } AT> DRAM
+#endif
+
/DISCARD/ :
{
*(.eh_frame)
@@ -103,7 +123,7 @@ SECTIONS
_iend = .;
} > IRAM
- .idle_stacks :
+ .idle_stacks (NOLOAD) :
{
*(.idle_stacks)
#if NUM_CORES > 1
@@ -116,7 +136,7 @@ SECTIONS
cop_idlestackend = .;
} > IRAM
- .stack :
+ .stack (NOLOAD) :
{
*(.stack)
stackbegin = .;
@@ -124,37 +144,53 @@ SECTIONS
stackend = .;
} > IRAM
- .bss ADDR(.data) + SIZEOF(.data) + SIZEOF(.iram) + SIZEOF(.vectors):
+ /* .bss and .ncbss are treated as a single section to use one init loop to
+ * zero it - note "_edata" and "_end" */
+ .bss ADDR(.data) + SIZEOF(.data) + SIZEOF(.ncdata) +\
+ SIZEOF(.iram) + SIZEOF(.vectors) (NOLOAD) :
{
_edata = .;
*(.bss*)
*(COMMON)
. = ALIGN(0x4);
- _end = .;
} > DRAM
- .audiobuf ALIGN(4) :
+#if NOCACHE_BASE != 0
+ .ncbss . + NOCACHE_BASE (NOLOAD):
+ {
+ . = ALIGN(CACHEALIGN_SIZE);
+ *(.ncbss*)
+ . = ALIGN(CACHEALIGN_SIZE);
+ } AT> DRAM
+#endif
+
+ /* This will be aligned by preceding alignments */
+ .endaddr . - NOCACHE_BASE (NOLOAD) :
+ {
+ _end = .;
+ } > DRAM
+
+ .audiobuf (NOLOAD) :
{
_audiobuffer = .;
audiobuffer = .;
} > DRAM
-
- .audiobufend ENDAUDIOADDR:
+
+ .audiobufend ENDAUDIOADDR (NOLOAD) :
{
audiobufend = .;
_audiobufend = .;
} > DRAM
- .codec ENDAUDIOADDR:
+ .codec ENDAUDIOADDR (NOLOAD) :
{
codecbuf = .;
_codecbuf = .;
}
- .plugin ENDADDR:
+ .plugin ENDADDR (NOLOAD) :
{
_pluginbuf = .;
pluginbuf = .;
}
}
-
diff --git a/firmware/target/arm/sandisk/ata-c200_e200.c b/firmware/target/arm/sandisk/ata-c200_e200.c
index 747cb17ca1..e4a5388978 100644
--- a/firmware/target/arm/sandisk/ata-c200_e200.c
+++ b/firmware/target/arm/sandisk/ata-c200_e200.c
@@ -165,7 +165,7 @@ static struct sd_card_status sd_status[NUM_VOLUMES] =
/* Shoot for around 75% usage */
static long sd_stack [(DEFAULT_STACK_SIZE*2 + 0x1c0)/sizeof(long)];
static const char sd_thread_name[] = "ata/sd";
-static struct mutex sd_mtx NOCACHEBSS_ATTR;
+static struct mutex sd_mtx SHAREDBSS_ATTR;
static struct event_queue sd_queue;
/* Posted when card plugged status has changed */
diff --git a/firmware/target/arm/sandisk/boot.lds b/firmware/target/arm/sandisk/boot.lds
index a087a7250d..1c1066895f 100644
--- a/firmware/target/arm/sandisk/boot.lds
+++ b/firmware/target/arm/sandisk/boot.lds
@@ -30,6 +30,7 @@ SECTIONS
*(.irodata)
*(.idata)
*(.data*)
+ *(.ncdata*)
_dataend = . ;
}
@@ -51,6 +52,7 @@ SECTIONS
_edata = .;
*(.bss*);
*(.ibss);
+ *(.ncbss*);
_end = .;
}
}
diff --git a/firmware/target/arm/sandisk/sansa-c200/lcd-c200.c b/firmware/target/arm/sandisk/sansa-c200/lcd-c200.c
index a629739d50..a2110f7e66 100644
--- a/firmware/target/arm/sandisk/sansa-c200/lcd-c200.c
+++ b/firmware/target/arm/sandisk/sansa-c200/lcd-c200.c
@@ -23,7 +23,7 @@
#include "system.h"
/* Display status */
-static unsigned lcd_yuv_options NOCACHEBSS_ATTR = 0;
+static unsigned lcd_yuv_options SHAREDBSS_ATTR = 0;
/* LCD command set for Samsung S6B33B2 */
diff --git a/firmware/target/arm/sandisk/sansa-e200/lcd-e200.c b/firmware/target/arm/sandisk/sansa-e200/lcd-e200.c
index f2689eabbf..15263b5533 100644
--- a/firmware/target/arm/sandisk/sansa-e200/lcd-e200.c
+++ b/firmware/target/arm/sandisk/sansa-e200/lcd-e200.c
@@ -28,8 +28,8 @@
/* Power and display status */
static bool power_on = false; /* Is the power turned on? */
-static bool display_on NOCACHEBSS_ATTR = false; /* Is the display turned on? */
-static unsigned lcd_yuv_options NOCACHEBSS_ATTR = 0;
+static bool display_on SHAREDBSS_ATTR = false; /* Is the display turned on? */
+static unsigned lcd_yuv_options SHAREDBSS_ATTR = 0;
/* Reverse Flag */
#define R_DISP_CONTROL_NORMAL 0x0004
diff --git a/firmware/target/arm/system-target.h b/firmware/target/arm/system-target.h
index 8dcbf0f9da..2a72b524f7 100644
--- a/firmware/target/arm/system-target.h
+++ b/firmware/target/arm/system-target.h
@@ -108,7 +108,7 @@ static inline unsigned int processor_id(void)
/* Certain data needs to be out of the way of cache line interference
* such as data for COP use or for use with UNCACHED_ADDR */
#define PROC_NEEDS_CACHEALIGN
-#define CACHEALIGN_BITS (5) /* 2^5 = 32 bytes */
+#define CACHEALIGN_BITS (4) /* 2^4 = 16 bytes */
/** cache functions **/
#ifndef BOOTLOADER
diff --git a/firmware/target/arm/tcc780x/ata-nand-tcc780x.c b/firmware/target/arm/tcc780x/ata-nand-tcc780x.c
index f6d1df96ce..b47444f3a8 100644
--- a/firmware/target/arm/tcc780x/ata-nand-tcc780x.c
+++ b/firmware/target/arm/tcc780x/ata-nand-tcc780x.c
@@ -42,7 +42,7 @@ static bool initialized = false;
static long next_yield = 0;
#define MIN_YIELD_PERIOD 2000
-static struct mutex ata_mtx NOCACHEBSS_ATTR;
+static struct mutex ata_mtx SHAREDBSS_ATTR;
#define SECTOR_SIZE 512