From: Gireesh Hiremath <Gireesh.Hiremath@xxxxxxxxxxxx>
* Update partition table to save env and splash image
* GPMC config values optimized for Bosch Guardian Board
* NAND Chip used by Bosch Guardian Board is Micron MT29F4G08ABBFA
Signed-off-by: Gireesh Hiremath <Gireesh.Hiremath@xxxxxxxxxxxx>
---
arch/arm/boot/dts/am335x-guardian.dts | 65 ++++++++++++++++++++-------
1 file changed, 48 insertions(+), 17 deletions(-)
diff --git a/arch/arm/boot/dts/am335x-guardian.dts b/arch/arm/boot/dts/am335x-guardian.dts
index 1918766c1f80..41b7adf78656 100644
--- a/arch/arm/boot/dts/am335x-guardian.dts
+++ b/arch/arm/boot/dts/am335x-guardian.dts
@@ -133,28 +133,29 @@
interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
<1 IRQ_TYPE_NONE>; /* termcount */
rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
+ ti,nand-xfer-type = "prefetch-dma";
ti,nand-ecc-opt = "bch16";
ti,elm-id = <&elm>;
nand-bus-width = <8>;
gpmc,device-width = <1>;
gpmc,sync-clk-ps = <0>;
gpmc,cs-on-ns = <0>;
- gpmc,cs-rd-off-ns = <44>;
- gpmc,cs-wr-off-ns = <44>;
- gpmc,adv-on-ns = <6>;
- gpmc,adv-rd-off-ns = <34>;
- gpmc,adv-wr-off-ns = <44>;
+ gpmc,cs-rd-off-ns = <30>;
+ gpmc,cs-wr-off-ns = <30>;
+ gpmc,adv-on-ns = <0>;
+ gpmc,adv-rd-off-ns = <30>;
+ gpmc,adv-wr-off-ns = <30>;
gpmc,we-on-ns = <0>;
- gpmc,we-off-ns = <40>;
- gpmc,oe-on-ns = <0>;
- gpmc,oe-off-ns = <54>;
- gpmc,access-ns = <64>;
- gpmc,rd-cycle-ns = <82>;
- gpmc,wr-cycle-ns = <82>;
+ gpmc,we-off-ns = <15>;
+ gpmc,oe-on-ns = <1>;
+ gpmc,oe-off-ns = <15>;
+ gpmc,access-ns = <30>;
+ gpmc,rd-cycle-ns = <30>;
+ gpmc,wr-cycle-ns = <30>;
gpmc,bus-turnaround-ns = <0>;
gpmc,cycle2cycle-delay-ns = <0>;
gpmc,clk-activation-ns = <0>;
- gpmc,wr-access-ns = <40>;
+ gpmc,wr-access-ns = <0>;
gpmc,wr-data-mux-bus-ns = <0>;
/*
@@ -198,18 +199,33 @@
};
partition@6 {
- label = "u-boot-env";
- reg = <0x300000 0x40000>;
+ label = "u-boot-2";
+ reg = <0x300000 0x100000>;
};
partition@7 {
- label = "u-boot-env.backup1";
- reg = <0x340000 0x40000>;
+ label = "u-boot-2.backup1";
+ reg = <0x400000 0x100000>;
};
partition@8 {
+ label = "u-boot-env";
+ reg = <0x500000 0x40000>;
+ };
+
+ partition@9 {
+ label = "u-boot-env.backup1";
+ reg = <0x540000 0x40000>;
+ };
+
+ partition@10 {
+ label = "splash-screen";
+ reg = <0x580000 0x40000>;
+ };
+
+ partition@11 {
label = "UBI";
- reg = <0x380000 0x1fc80000>;
+ reg = <0x5c0000 0x1fa40000>;
};
};
};
@@ -470,20 +486,35 @@
nandflash_pins: pinmux_nandflash_pins {
pinctrl-single,pins = <
+ /* (U7) gpmc_ad0.gpmc_ad0 */
AM33XX_IOPAD(0x800, PIN_INPUT | MUX_MODE0)
+ /* (V7) gpmc_ad1.gpmc_ad1 */
AM33XX_IOPAD(0x804, PIN_INPUT | MUX_MODE0)
+ /* (R8) gpmc_ad2.gpmc_ad2 */
AM33XX_IOPAD(0x808, PIN_INPUT | MUX_MODE0)
+ /* (T8) gpmc_ad3.gpmc_ad3 */
AM33XX_IOPAD(0x80c, PIN_INPUT | MUX_MODE0)
+ /* (U8) gpmc_ad4.gpmc_ad4 */
AM33XX_IOPAD(0x810, PIN_INPUT | MUX_MODE0)
+ /* (V8) gpmc_ad5.gpmc_ad5 */
AM33XX_IOPAD(0x814, PIN_INPUT | MUX_MODE0)
+ /* (R9) gpmc_ad6.gpmc_ad6 */
AM33XX_IOPAD(0x818, PIN_INPUT | MUX_MODE0)
+ /* (T9) gpmc_ad7.gpmc_ad7 */
AM33XX_IOPAD(0x81c, PIN_INPUT | MUX_MODE0)
+ /* (T17) gpmc_wait0.gpmc_wait0 */
AM33XX_IOPAD(0x870, PIN_INPUT | MUX_MODE0)
+ /* (U17) gpmc_wpn.gpmc_wpn */
AM33XX_IOPAD(0x874, PIN_OUTPUT | MUX_MODE0)
+ /* (V6) gpmc_csn0.gpmc_csn0 */
AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0)
+ /* (R7) gpmc_advn_ale.gpmc_advn_ale */
AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE0)
+ /* (T7) gpmc_oen_ren.gpmc_oen_ren */
AM33XX_IOPAD(0x894, PIN_OUTPUT | MUX_MODE0)
+ /* (U6) gpmc_wen.gpmc_wen */
AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE0)
+ /* (T6) gpmc_be0n_cle.gpmc_be0n_cle */
AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE0)
>;
};
--
2.20.1
