* [PATCH 1/2] ARM: davinci: da850 evm: add norflash DT node
[not found] ` <1359436796-25135-1-git-send-email-anilkumar.v-l0cyMroinI0@public.gmane.org>
@ 2013-01-29 5:19 ` Kumar, Anil
2013-01-29 5:19 ` [PATCH 2/2] ARM: davinci: da850: configure CS2(aemif) for norflash Kumar, Anil
1 sibling, 0 replies; 4+ messages in thread
From: Kumar, Anil @ 2013-01-29 5:19 UTC (permalink / raw)
To: devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
linux-kernel-u79uwXL29TY76Z2rM5mHXA,
davinci-linux-open-source-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/
Cc: linux-lFZ/pmaqli7XmaaqVzeoHQ, nsekhar-l0cyMroinI0,
rob.herring-bsGFqQB8/DxBDgjK7y7TUQ,
khilman-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR, anilkumar.v-l0cyMroinI0,
hs-ynQEQJNshbs
Add norflash DT node on DA850 EVM and related pin mux.
Signed-off-by: Kumar, Anil <anilkumar.v-l0cyMroinI0@public.gmane.org>
---
:100644 100644 087ba28... 95ffeca... M arch/arm/boot/dts/da850-evm.dts
:100644 100644 160ebac... 036b02a... M arch/arm/boot/dts/da850.dtsi
arch/arm/boot/dts/da850-evm.dts | 25 +++++++++++++++++++++++
arch/arm/boot/dts/da850.dtsi | 41 +++++++++++++++++++++++++++++++++++++++
2 files changed, 66 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
index 087ba28..95ffeca 100644
--- a/arch/arm/boot/dts/da850-evm.dts
+++ b/arch/arm/boot/dts/da850-evm.dts
@@ -28,4 +28,29 @@
status = "okay";
};
};
+ norflash_cs2@60000000 {
+ compatible = "intel,PC28F640P30T85", "cfi-flash";
+ reg = <0x60000000 0x1FFFFFF>;
+ bank-width = <2>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ linux,mtd-name = "physmap-flash";
+ pinctrl-names = "default";
+ pinctrl-0 = <&norflash_cs2_pins>;
+
+ bootloaders_env@0 {
+ label = "bootloaders_env";
+ reg = <0 0x80000>;
+ };
+
+ kernel@80000 {
+ label = "kernel";
+ reg = <0x80000 0x200000>;
+ };
+
+ filesystem@280000 {
+ label = "filesystem";
+ reg = <0x280000 0x580000>;
+ };
+ };
};
diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index 160ebac..036b02a 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -38,6 +38,47 @@
pinctrl-single,register-width = <32>;
pinctrl-single,function-mask = <0xffffffff>;
status = "disabled";
+
+ norflash_cs2_pins: pinmux_norflash_pins{
+ pinctrl-single,bits = <
+ /* EMA_BA[1] */
+ 0x14 0x01000000 0x0f000000
+ /* EMA_CLK, EMA_WAIT[1] */
+ 0x18 0x01000001 0x0f00000f
+ /* EMA_OE, EMA_WE, EMA_CS[2] */
+ 0x1c 0x00110001 0x00ff000f
+ /*
+ * EMA_D[0], EMA_D[1], EMA_D[2],
+ * EMA_D[3], EMA_D[4], EMA_D[5],
+ * EMA_D[6], EMA_D[7]
+ */
+ 0x24 0x11111111 0xffffffff
+ /*
+ * EMA_D[8], EMA_D[9], EMA_D[10],
+ * EMA_D[11], EMA_D[12], EMA_D[13],
+ * EMA_D[14], EMA_D[15]
+ */
+ 0x20 0x11111111 0xffffffff
+ /*
+ * EMA_A[0], EMA_A[1], EMA_A[2],
+ * EMA_A[3], EMA_A[4], EMA_A[5],
+ * EMA_A[6], EMA_A[7]
+ */
+ 0x30 0x11111111 0xffffffff
+ /*
+ * EMA_A[8], EMA_A[9], EMA_A[10],
+ * EMA_A[11], EMA_A[12], EMA_A[13],
+ * EMA_A[14], EMA_A[15]
+ */
+ 0x2c 0x11111111 0xffffffff
+ /*
+ * EMA_A[16], EMA_A[17], EMA_A[18],
+ * EMA_A[19], EMA_A[20], EMA_A[21],
+ * EMA_A[22]
+ */
+ 0x28 0x11111110 0xfffffff0
+ >;
+ };
};
serial0: serial@1c42000 {
compatible = "ns16550a";
--
1.7.4.1
^ permalink raw reply related [flat|nested] 4+ messages in thread* [PATCH 2/2] ARM: davinci: da850: configure CS2(aemif) for norflash
[not found] ` <1359436796-25135-1-git-send-email-anilkumar.v-l0cyMroinI0@public.gmane.org>
2013-01-29 5:19 ` [PATCH 1/2] ARM: davinci: da850 evm: add norflash DT node Kumar, Anil
@ 2013-01-29 5:19 ` Kumar, Anil
2013-01-29 8:02 ` Heiko Schocher
1 sibling, 1 reply; 4+ messages in thread
From: Kumar, Anil @ 2013-01-29 5:19 UTC (permalink / raw)
To: devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
linux-kernel-u79uwXL29TY76Z2rM5mHXA,
davinci-linux-open-source-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/
Cc: linux-lFZ/pmaqli7XmaaqVzeoHQ, nsekhar-l0cyMroinI0,
rob.herring-bsGFqQB8/DxBDgjK7y7TUQ,
khilman-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR, anilkumar.v-l0cyMroinI0,
hs-ynQEQJNshbs
Configure 16 bit data bus width for CS2(aemif) to use the norflash on
DA850.
Signed-off-by: Kumar, Anil <anilkumar.v-l0cyMroinI0@public.gmane.org>
---
:100644 100644 37c27af... 540e284... M arch/arm/mach-davinci/da8xx-dt.c
arch/arm/mach-davinci/da8xx-dt.c | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c
index 37c27af..540e284 100644
--- a/arch/arm/mach-davinci/da8xx-dt.c
+++ b/arch/arm/mach-davinci/da8xx-dt.c
@@ -38,12 +38,29 @@ static void __init da8xx_init_irq(void)
}
#ifdef CONFIG_ARCH_DAVINCI_DA850
+#define DA8XX_AEMIF_CE2CFG_OFFSET 0x10
+#define DA8XX_AEMIF_ASIZE_16BIT 0x1
+
+static void __init da8xx_init_nor(void)
+{
+ void __iomem *aemif_addr;
+
+ aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
+
+ /* Configure data bus width of CS2 to 16 bit */
+ writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
+ DA8XX_AEMIF_ASIZE_16BIT,
+ aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
+
+ iounmap(aemif_addr);
+}
static void __init da850_init_machine(void)
{
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
da8xx_uart_clk_enable();
+ da8xx_init_nor();
}
static const char *da850_boards_compat[] __initdata = {
--
1.7.4.1
^ permalink raw reply related [flat|nested] 4+ messages in thread