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Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.24/1286-fix-glamo-crank-memory-to-90MHz.patch.patch')
-rw-r--r--target/linux/s3c24xx/patches-2.6.24/1286-fix-glamo-crank-memory-to-90MHz.patch.patch44
1 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1286-fix-glamo-crank-memory-to-90MHz.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1286-fix-glamo-crank-memory-to-90MHz.patch.patch
new file mode 100644
index 000000000..7942bb271
--- /dev/null
+++ b/target/linux/s3c24xx/patches-2.6.24/1286-fix-glamo-crank-memory-to-90MHz.patch.patch
@@ -0,0 +1,44 @@
+From 8846830e0f7b5ea2721e3d8b2bd517fa1a11c628 Mon Sep 17 00:00:00 2001
+From: Andy Green <andy@openmoko.com>
+Date: Thu, 11 Sep 2008 20:38:46 +0800
+Subject: [PATCH] fix-glamo-crank-memory-to-90MHz.patch
+
+This changes Glamo memory and now host bus PLL to 90MHz from
+80MHz, as recommended by S-Media. Bandwidth should go up
+by 12.5% by this in raw terms anyway.
+
+Signed-off-by: Andy Green <andy@openmoko.com>
+---
+ drivers/mfd/glamo/glamo-core.c | 9 ++++++---
+ 1 files changed, 6 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/mfd/glamo/glamo-core.c b/drivers/mfd/glamo/glamo-core.c
+index b30ec9f..2619c5f 100644
+--- a/drivers/mfd/glamo/glamo-core.c
++++ b/drivers/mfd/glamo/glamo-core.c
+@@ -729,8 +729,8 @@ static struct glamo_script glamo_init_script[] = {
+ { GLAMO_REG_CLOCK_MPEG, 0x0000 },
+ #endif
+ { GLAMO_REG_PLL_GEN1, 0x05db }, /* 48MHz */
+- { GLAMO_REG_PLL_GEN3, 0x09c3 }, /* 80MHz */
+- { 0xfffd, 0 },
++ { GLAMO_REG_PLL_GEN3, 0x0aba }, /* 90MHz */
++ { 0xfffd, 0 },
+ /*
+ * b9 of this register MUST be zero to get any interrupts on INT#
+ * the other set bits enable all the engine interrupt sources
+@@ -745,7 +745,10 @@ static struct glamo_script glamo_init_script[] = {
+ { 0x212, 0x0000 },
+ { 0x214, 0x4000 },
+ { 0x216, 0xf00e },
+- { GLAMO_REG_MEM_TYPE, 0x0874 }, /* 8MB, 16 word pg wr+rd */
++
++ /* S-Media recommended "set tiling mode to 512 mode for memory access
++ * more efficiency when 640x480" */
++ { GLAMO_REG_MEM_TYPE, 0x0c74 }, /* 8MB, 16 word pg wr+rd */
+ { GLAMO_REG_MEM_GEN, 0xafaf }, /* 63 grants min + max */
+ /*
+ * the register below originally 0x0108 makes unreliable Glamo MMC
+--
+1.5.6.5
+