diff options
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.patch | 44 |
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 + |