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ARM Kindle3 defconfig: enable MMU

PATCH Applied Alexander Kurz 2 participants 3 messages Mar 17, 2019 – Mar 18, 2019 Arm (32-bit)

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PATCH 1/2 ARM Kindle3 defconfig: enable MMU

From: Alexander Kurz <[email protected]>

With the MMU enabled, a memtest runs 14 times faster.

---
 arch/arm/configs/kindle3_defconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
arch/arm/configs/kindle3_defconfig +2 -1
index a4e08dfad..98691c3a8 100644
@@ -2,7 +2,6 @@ CONFIG_ARCH_IMX=y
 CONFIG_BAREBOX_MAX_IMAGE_SIZE=0x30000
 CONFIG_MACH_KINDLE3=y
 CONFIG_IMX_IIM=y
-CONFIG_ARCH_IMX_USBLOADER=y
 CONFIG_AEABI=y
 CONFIG_ARM_BOARD_APPEND_ATAG=y
 CONFIG_ARM_BOARD_PREPEND_ATAG=y
@@ -10,6 +9,7 @@ CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
 CONFIG_PBL_IMAGE=y
 CONFIG_PBL_RELOCATABLE=y
 CONFIG_IMAGE_COMPRESSION_XZKERN=y
+CONFIG_MMU=y
 CONFIG_MALLOC_SIZE=0x2000000
 CONFIG_MALLOC_TLSF=y
 CONFIG_RELOCATABLE=y
@@ -64,3 +64,4 @@ CONFIG_FS_EXT4=y
 CONFIG_FS_FAT=y
 CONFIG_FS_FAT_WRITE=y
 CONFIG_FS_FAT_LFN=y
+CONFIG_ARCH_IMX_USBLOADER=y
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2.11.0


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#1 lore raw

PATCH 2/2 ARM Kindle3: switch on pull-ups for fiveway device

From: Alexander Kurz <[email protected]>

Without the pullups enabled, the GPIO change after a button release took some hundered milliseconds.

---
 arch/arm/boards/kindle3/kindle3.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
arch/arm/boards/kindle3/kindle3.c +6 -6
index e06b3d70c..95ae49cb0 100644
@@ -152,6 +152,7 @@ static int kindle3_devices_init(void)
 }
 device_initcall(kindle3_devices_init);
 
+#define FIVEWAY_PAD_CTL (PAD_CTL_PUS_100K_UP | PAD_CTL_HYS | PAD_CTL_DVS)
 static iomux_v3_cfg_t kindle3_pads[] = {
 	/* UART1 */
 	MX35_PAD_RXD1__UART1_RXD_MUX,
@@ -183,12 +184,11 @@ static iomux_v3_cfg_t kindle3_pads[] = {
 	MX35_PAD_CSPI1_SPI_RDY__CSPI1_RDY,
 
 	/* fiveway device: up, down, left, right, select */
-	MX35_PAD_ATA_DATA14__GPIO2_27,
-	MX35_PAD_ATA_DATA15__GPIO2_28,
-	MX35_PAD_TX5_RX0__GPIO1_10,
-	MX35_PAD_ATA_BUFF_EN__GPIO2_30,
-	IOMUX_PAD(0x728, 0x2c4, 5, 0x8c8, 1,
-		  PAD_CTL_PUS_100K_UP | PAD_CTL_HYS | PAD_CTL_DVS),
+	IOMUX_PAD(0x718, 0x2b4, 5, 0x8b4, 1, FIVEWAY_PAD_CTL),
+	IOMUX_PAD(0x71c, 0x2b8, 5, 0x8b8, 1, FIVEWAY_PAD_CTL),
+	IOMUX_PAD(0x59c, 0x158, 5, 0x830, 0, FIVEWAY_PAD_CTL),
+	IOMUX_PAD(0x724, 0x2c0, 5, 0x8c4, 1, FIVEWAY_PAD_CTL),
+	IOMUX_PAD(0x728, 0x2c4, 5, 0x8c8, 1, FIVEWAY_PAD_CTL),
 
 	/* Volume keys: up, down */
 	MX35_PAD_SCKR__GPIO1_4,
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2.11.0


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Applied
#2 lore raw
In reply to Alexander Kurz
Quoted 8 lines · Alexander Kurz

From: Alexander Kurz <[email protected]>

With the MMU enabled, a memtest runs 14 times faster.

---
 arch/arm/configs/kindle3_defconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Applied, thanks

Sascha

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