iPod Classic: fix s5l8702 cache line length.

Use 32 bytes for cache line length (arm926ej-s), this prevents
misalignments of ATA storage buffer which in some builds could
cause weird faults.

Change-Id: I88dc595d251315620ec49b0251ddc039ff47181e
Reviewed-on: http://gerrit.rockbox.org/1031
Reviewed-by: Marcin Bukat <marcin.bukat@gmail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/firmware/target/arm/s5l8702/debug-s5l8702.c b/firmware/target/arm/s5l8702/debug-s5l8702.c
index 27d1ccb7b8..66bfa36a93 100644
--- a/firmware/target/arm/s5l8702/debug-s5l8702.c
+++ b/firmware/target/arm/s5l8702/debug-s5l8702.c
@@ -61,6 +61,11 @@ bool dbg_hw_info(void)
             _DEBUG_PRINTF("speed: %d MHz", ((CLKCON0 & 1) ?
                                 CPUFREQ_NORMAL : CPUFREQ_MAX) / 1000000);
             _DEBUG_PRINTF("current_tick: %d", (unsigned int)current_tick);
+            uint32_t __res;
+            asm volatile ("mrc p15, 0, %0, c0, c0, 0" : "=r"(__res));
+            _DEBUG_PRINTF("ID code: %08x", __res);
+            asm volatile ("mrc p15, 0, %0, c0, c0, 1" : "=r"(__res));
+            _DEBUG_PRINTF("cache type: %08x", __res);
             line++;
 
             _DEBUG_PRINTF("LCD type: %d", lcd_type);