summaryrefslogtreecommitdiff
path: root/target/linux/s3c24xx/patches/0237-fix-glamo-turbo-host-interface.patch.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/s3c24xx/patches/0237-fix-glamo-turbo-host-interface.patch.patch')
-rwxr-xr-xtarget/linux/s3c24xx/patches/0237-fix-glamo-turbo-host-interface.patch.patch65
1 files changed, 65 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches/0237-fix-glamo-turbo-host-interface.patch.patch b/target/linux/s3c24xx/patches/0237-fix-glamo-turbo-host-interface.patch.patch
new file mode 100755
index 0000000000..efc3f7e744
--- /dev/null
+++ b/target/linux/s3c24xx/patches/0237-fix-glamo-turbo-host-interface.patch.patch
@@ -0,0 +1,65 @@
+From 27d53aa3a33766bb3882f1adcf73c0b3402a5572 Mon Sep 17 00:00:00 2001
+From: Andy Green <andy@openmoko.com>
+Date: Mon, 4 Aug 2008 08:34:51 +0100
+Subject: [PATCH] fix-glamo-turbo-host-interface.patch
+
+Signed-off-by: Andy Green <andy@openmoko.com>
+---
+ arch/arm/mach-s3c2440/mach-gta02.c | 4 ++++
+ drivers/mfd/glamo/glamo-core.c | 12 ++++++------
+ 2 files changed, 10 insertions(+), 6 deletions(-)
+
+diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
+index 8e43c4a..be2d901 100644
+--- a/arch/arm/mach-s3c2440/mach-gta02.c
++++ b/arch/arm/mach-s3c2440/mach-gta02.c
+@@ -66,6 +66,7 @@
+ #include <asm/arch/spi.h>
+ #include <asm/arch/spi-gpio.h>
+ #include <asm/arch/usb-control.h>
++#include <asm/arch/regs-mem.h>
+
+ #include <asm/arch/gta02.h>
+
+@@ -1562,6 +1563,9 @@ static void __init gta02_machine_init(void)
+
+ spin_lock_init(&motion_irq_lock);
+
++ /* Glamo chip select optimization */
++/* *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */
++
+ s3c_device_usb.dev.platform_data = &gta02_usb_info;
+ s3c_device_nand.dev.platform_data = &gta02_nand_info;
+ s3c_device_sdi.dev.platform_data = &gta02_mmc_cfg;
+diff --git a/drivers/mfd/glamo/glamo-core.c b/drivers/mfd/glamo/glamo-core.c
+index 0e7a650..92dbd65 100644
+--- a/drivers/mfd/glamo/glamo-core.c
++++ b/drivers/mfd/glamo/glamo-core.c
+@@ -740,18 +740,18 @@ static struct glamo_script glamo_init_script[] = {
+ { GLAMO_REG_CLOCK_GEN7, 0x0101 },
+ { GLAMO_REG_CLOCK_GEN8, 0x0100 },
+ { GLAMO_REG_CLOCK_HOST, 0x000d },
+- { 0x200, 0x0ef0 },
++ /*
++ * b7..b4 = 0 = no wait states on read or write
++ * b0 = 1 select PLL2 for Host interface, b1 = enable it
++ */
++ { 0x200, 0x0e03 },
+ { 0x202, 0x07ff },
+ { 0x212, 0x0000 },
+ { 0x214, 0x4000 },
+ { 0x216, 0xf00e },
+ { GLAMO_REG_MEM_TYPE, 0x0874 }, /* 8MB, 16 word pg wr+rd */
+ { GLAMO_REG_MEM_GEN, 0xafaf }, /* 63 grants min + max */
+- /*
+- * the register below originally 0x0108 makes unreliable Glamo MMC
+- * write operations. Cranked to 0x05ad to add a wait state, the
+- * unreliability is not seen after 4GB of write / read testing
+- */
++
+ { GLAMO_REG_MEM_TIMING1, 0x0108 },
+ { GLAMO_REG_MEM_TIMING2, 0x0010 }, /* Taa = 3 MCLK */
+ { GLAMO_REG_MEM_TIMING3, 0x0000 },
+--
+1.5.6.3
+