* [PATCH 1/5] arm/dts: Fix missing entries for am3517
2013-12-03 23:23 [PATCH 0/5] Get am3517 working with device tree Tony Lindgren
@ 2013-12-03 23:23 ` Tony Lindgren
2013-12-03 23:23 ` [PATCH 2/5] ARM: OMAP2+: Fix the machine entry " Tony Lindgren
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Tony Lindgren @ 2013-12-03 23:23 UTC (permalink / raw)
To: linux-arm-kernel
On am3517 there are some extra devices compared to omap3.dtsi that
we currently have not defined. Let's fix that by adding am3517.dtsi
file.
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/boot/dts/am3517.dtsi | 63 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 63 insertions(+)
create mode 100644 arch/arm/boot/dts/am3517.dtsi
diff --git a/arch/arm/boot/dts/am3517.dtsi b/arch/arm/boot/dts/am3517.dtsi
new file mode 100644
index 0000000..2fbe02f
--- /dev/null
+++ b/arch/arm/boot/dts/am3517.dtsi
@@ -0,0 +1,63 @@
+/*
+ * Device Tree Source for am3517 SoC
+ *
+ * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include "omap3.dtsi"
+
+/ {
+ aliases {
+ serial3 = &uart4;
+ };
+
+ ocp {
+ am35x_otg_hs: am35x_otg_hs at 5c040000 {
+ compatible = "ti,omap3-musb";
+ ti,hwmods = "am35x_otg_hs";
+ status = "disabled";
+ reg = <0x5c040000 0x1000>;
+ interrupts = <71>;
+ interrupt-names = "mc";
+ };
+
+ davinci_emac: ethernet at 0x5c000000 {
+ compatible = "ti,am3517-emac";
+ ti,hwmods = "davinci_emac";
+ status = "disabled";
+ reg = <0x5c000000 0x30000>;
+ interrupts = <67 68 69 70>;
+ ti,davinci-ctrl-reg-offset = <0x10000>;
+ ti,davinci-ctrl-mod-reg-offset = <0>;
+ ti,davinci-ctrl-ram-offset = <0x20000>;
+ ti,davinci-ctrl-ram-size = <0x2000>;
+ ti,davinci-rmii-en = /bits/ 8 <1>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ };
+
+ davinci_mdio: ethernet at 0x5c030000 {
+ compatible = "ti,davinci_mdio";
+ ti,hwmods = "davinci_mdio";
+ status = "disabled";
+ reg = <0x5c030000 0x1000>;
+ bus_freq = <1000000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ uart4: serial at 4809e000 {
+ compatible = "ti,omap3-uart";
+ ti,hwmods = "uart4";
+ status = "disabled";
+ reg = <0x4809e000 0x400>;
+ interrupts = <84>;
+ dmas = <&sdma 55 &sdma 54>;
+ dma-names = "tx", "rx";
+ clock-frequency = <48000000>;
+ };
+ };
+};
--
1.8.1.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 2/5] ARM: OMAP2+: Fix the machine entry for am3517
2013-12-03 23:23 [PATCH 0/5] Get am3517 working with device tree Tony Lindgren
2013-12-03 23:23 ` [PATCH 1/5] arm/dts: Fix missing entries for am3517 Tony Lindgren
@ 2013-12-03 23:23 ` Tony Lindgren
2013-12-03 23:23 ` [PATCH 3/5] ARM: OMAP2+: Use pdata quirks for emac on am3517 Tony Lindgren
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Tony Lindgren @ 2013-12-03 23:23 UTC (permalink / raw)
To: linux-arm-kernel
From: Nishanth Menon <nm@ti.com>
The am3517 is wrongly booting as omap3 which means that the am3517
specific devices like Ethernet won't work when booted with device
tree. Now with the new devices defined in am3517.dtsi, let's use
that instead of the omap3.dtsi, and add a separate machine entry
for am3517 so am3517-evm can use it.
Signed-off-by: Nishanth Menon <nm@ti.com>
[tony at atomide.com: updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/boot/dts/am3517-evm.dts | 6 +++---
arch/arm/mach-omap2/board-generic.c | 18 ++++++++++++++++++
2 files changed, 21 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/am3517-evm.dts b/arch/arm/boot/dts/am3517-evm.dts
index e99dfaf..03fcbf0 100644
--- a/arch/arm/boot/dts/am3517-evm.dts
+++ b/arch/arm/boot/dts/am3517-evm.dts
@@ -7,11 +7,11 @@
*/
/dts-v1/;
-#include "omap34xx.dtsi"
+#include "am3517.dtsi"
/ {
- model = "TI AM3517 EVM (AM3517/05)";
- compatible = "ti,am3517-evm", "ti,omap3";
+ model = "TI AM3517 EVM (AM3517/05 TMDSEVM3517)";
+ compatible = "ti,am3517-evm", "ti,am3517", "ti,omap3";
memory {
device_type = "memory";
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 19f1652..e94a215 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -139,6 +139,24 @@ static const char *am33xx_boards_compat[] __initdata = {
NULL,
};
+static const char *am3517_boards_compat[] __initdata = {
+ "ti,am3517",
+ NULL,
+};
+
+DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)")
+ .reserve = omap_reserve,
+ .map_io = omap3_map_io,
+ .init_early = am35xx_init_early,
+ .init_irq = omap_intc_of_init,
+ .handle_irq = omap3_intc_handle_irq,
+ .init_machine = omap_generic_init,
+ .init_late = omap3_init_late,
+ .init_time = omap3_gptimer_timer_init,
+ .dt_compat = am3517_boards_compat,
+ .restart = omap3xxx_restart,
+MACHINE_END
+
DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
.reserve = omap_reserve,
.map_io = am33xx_map_io,
--
1.8.1.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 3/5] ARM: OMAP2+: Use pdata quirks for emac on am3517
2013-12-03 23:23 [PATCH 0/5] Get am3517 working with device tree Tony Lindgren
2013-12-03 23:23 ` [PATCH 1/5] arm/dts: Fix missing entries for am3517 Tony Lindgren
2013-12-03 23:23 ` [PATCH 2/5] ARM: OMAP2+: Fix the machine entry " Tony Lindgren
@ 2013-12-03 23:23 ` Tony Lindgren
2013-12-03 23:23 ` [PATCH 4/5] ARM/dts: Add basic devices on am3517-evm Tony Lindgren
2013-12-03 23:23 ` [PATCH 5/5] ARM: OMAP2+: Remove legacy emac code Tony Lindgren
4 siblings, 0 replies; 6+ messages in thread
From: Tony Lindgren @ 2013-12-03 23:23 UTC (permalink / raw)
To: linux-arm-kernel
As the emac uses the system control module registers for
reset and interrupts, we need to pass those in the platform
data until we have a separate system control module driver.
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/pdata-quirks.c | 43 ++++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index ecdba9f..ec83c20 100644
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -8,6 +8,7 @@
* published by the Free Software Foundation.
*/
#include <linux/clk.h>
+#include <linux/davinci_emac.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/kernel.h>
@@ -16,6 +17,7 @@
#include <linux/platform_data/pinctrl-single.h>
+#include "am35xx.h"
#include "common.h"
#include "common-board-devices.h"
#include "dss-common.h"
@@ -118,6 +120,42 @@ static void __init omap3_zoom_legacy_init(void)
{
legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
}
+
+static void am35xx_enable_emac_int(void)
+{
+ u32 v;
+
+ v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
+ v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
+ AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
+ omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
+ omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
+}
+
+static void am35xx_disable_emac_int(void)
+{
+ u32 v;
+
+ v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
+ v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
+ omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
+ omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
+}
+
+static struct emac_platform_data am35xx_emac_pdata = {
+ .interrupt_enable = am35xx_enable_emac_int,
+ .interrupt_disable = am35xx_disable_emac_int,
+};
+
+static void __init am3517_evm_legacy_init(void)
+{
+ u32 v;
+
+ v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
+ v &= ~AM35XX_CPGMACSS_SW_RST;
+ omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
+ omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
+}
#endif /* CONFIG_ARCH_OMAP3 */
#ifdef CONFIG_ARCH_OMAP4
@@ -186,6 +224,10 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
#ifdef CONFIG_ARCH_OMAP3
OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
+ /* Only on am3517 */
+ OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
+ OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
+ &am35xx_emac_pdata),
#endif
#ifdef CONFIG_ARCH_OMAP4
OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
@@ -207,6 +249,7 @@ static struct pdata_init pdata_quirks[] __initdata = {
{ "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
{ "ti,omap3-ldp", omap3_ldp_legacy_init, },
{ "ti,omap3-zoom3", omap3_zoom_legacy_init, },
+ { "ti,am3517-evm", am3517_evm_legacy_init, },
#endif
#ifdef CONFIG_ARCH_OMAP4
{ "ti,omap4-sdp", omap4_sdp_legacy_init, },
--
1.8.1.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 4/5] ARM/dts: Add basic devices on am3517-evm
2013-12-03 23:23 [PATCH 0/5] Get am3517 working with device tree Tony Lindgren
` (2 preceding siblings ...)
2013-12-03 23:23 ` [PATCH 3/5] ARM: OMAP2+: Use pdata quirks for emac on am3517 Tony Lindgren
@ 2013-12-03 23:23 ` Tony Lindgren
2013-12-03 23:23 ` [PATCH 5/5] ARM: OMAP2+: Remove legacy emac code Tony Lindgren
4 siblings, 0 replies; 6+ messages in thread
From: Tony Lindgren @ 2013-12-03 23:23 UTC (permalink / raw)
To: linux-arm-kernel
Let's add the Ethernet so NFSroot works and the first MMC card
so people can patch in more support easily.
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/boot/dts/am3517-evm.dts | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm/boot/dts/am3517-evm.dts b/arch/arm/boot/dts/am3517-evm.dts
index 03fcbf0..b4127c6 100644
--- a/arch/arm/boot/dts/am3517-evm.dts
+++ b/arch/arm/boot/dts/am3517-evm.dts
@@ -17,6 +17,21 @@
device_type = "memory";
reg = <0x80000000 0x10000000>; /* 256 MB */
};
+
+ vmmc_fixed: vmmc {
+ compatible = "regulator-fixed";
+ regulator-name = "vmmc_fixed";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+};
+
+&davinci_emac {
+ status = "okay";
+};
+
+&davinci_mdio {
+ status = "okay";
};
&i2c1 {
@@ -30,3 +45,17 @@
&i2c3 {
clock-frequency = <400000>;
};
+
+&mmc1 {
+ vmmc-supply = <&vmmc_fixed>;
+ bus-width = <4>;
+};
+
+&mmc2 {
+ status = "disabled";
+};
+
+&mmc3 {
+ status = "disabled";
+};
+
--
1.8.1.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 5/5] ARM: OMAP2+: Remove legacy emac code
2013-12-03 23:23 [PATCH 0/5] Get am3517 working with device tree Tony Lindgren
` (3 preceding siblings ...)
2013-12-03 23:23 ` [PATCH 4/5] ARM/dts: Add basic devices on am3517-evm Tony Lindgren
@ 2013-12-03 23:23 ` Tony Lindgren
4 siblings, 0 replies; 6+ messages in thread
From: Tony Lindgren @ 2013-12-03 23:23 UTC (permalink / raw)
To: linux-arm-kernel
This is no longer needed when booted with device tree.
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/Makefile | 3 -
arch/arm/mach-omap2/am35xx-emac.c | 115 --------------------------------------
arch/arm/mach-omap2/am35xx-emac.h | 15 -----
3 files changed, 133 deletions(-)
delete mode 100644 arch/arm/mach-omap2/am35xx-emac.c
delete mode 100644 arch/arm/mach-omap2/am35xx-emac.h
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 8e6b0a4..dea93e2 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -258,7 +258,4 @@ ifneq ($(CONFIG_HWSPINLOCK_OMAP),)
obj-y += hwspinlock.o
endif
-emac-$(CONFIG_TI_DAVINCI_EMAC) := am35xx-emac.o
-obj-y += $(emac-m) $(emac-y)
-
obj-y += common-board-devices.o dss-common.o
diff --git a/arch/arm/mach-omap2/am35xx-emac.c b/arch/arm/mach-omap2/am35xx-emac.c
deleted file mode 100644
index 25b79a2..0000000
--- a/arch/arm/mach-omap2/am35xx-emac.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (C) 2011 Ilya Yanok, Emcraft Systems
- *
- * Based on mach-omap2/board-am3517evm.c
- * Copyright (C) 2009 Texas Instruments Incorporated
- * Author: Ranjith Lohithakshan <ranjithl@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * published by the Free Software Foundation.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
- * whether express or implied; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- */
-
-#include <linux/err.h>
-#include <linux/davinci_emac.h>
-#include <asm/system.h>
-#include "omap_device.h"
-#include "am35xx.h"
-#include "control.h"
-#include "am35xx-emac.h"
-
-static void am35xx_enable_emac_int(void)
-{
- u32 v;
-
- v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
- v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
- AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
- omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
- omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
-}
-
-static void am35xx_disable_emac_int(void)
-{
- u32 v;
-
- v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
- v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
- omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
- omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
-}
-
-static struct emac_platform_data am35xx_emac_pdata = {
- .ctrl_reg_offset = AM35XX_EMAC_CNTRL_OFFSET,
- .ctrl_mod_reg_offset = AM35XX_EMAC_CNTRL_MOD_OFFSET,
- .ctrl_ram_offset = AM35XX_EMAC_CNTRL_RAM_OFFSET,
- .ctrl_ram_size = AM35XX_EMAC_CNTRL_RAM_SIZE,
- .hw_ram_addr = AM35XX_EMAC_HW_RAM_ADDR,
- .version = EMAC_VERSION_2,
- .interrupt_enable = am35xx_enable_emac_int,
- .interrupt_disable = am35xx_disable_emac_int,
-};
-
-static struct mdio_platform_data am35xx_mdio_pdata;
-
-static int __init omap_davinci_emac_dev_init(struct omap_hwmod *oh,
- void *pdata, int pdata_len)
-{
- struct platform_device *pdev;
-
- pdev = omap_device_build(oh->class->name, 0, oh, pdata, pdata_len);
- if (IS_ERR(pdev)) {
- WARN(1, "Can't build omap_device for %s:%s.\n",
- oh->class->name, oh->name);
- return PTR_ERR(pdev);
- }
-
- return 0;
-}
-
-void __init am35xx_emac_init(unsigned long mdio_bus_freq, u8 rmii_en)
-{
- struct omap_hwmod *oh;
- u32 v;
- int ret;
-
- oh = omap_hwmod_lookup("davinci_mdio");
- if (!oh) {
- pr_err("Could not find davinci_mdio hwmod\n");
- return;
- }
-
- am35xx_mdio_pdata.bus_freq = mdio_bus_freq;
-
- ret = omap_davinci_emac_dev_init(oh, &am35xx_mdio_pdata,
- sizeof(am35xx_mdio_pdata));
- if (ret) {
- pr_err("Could not build davinci_mdio hwmod device\n");
- return;
- }
-
- oh = omap_hwmod_lookup("davinci_emac");
- if (!oh) {
- pr_err("Could not find davinci_emac hwmod\n");
- return;
- }
-
- am35xx_emac_pdata.rmii_en = rmii_en;
-
- ret = omap_davinci_emac_dev_init(oh, &am35xx_emac_pdata,
- sizeof(am35xx_emac_pdata));
- if (ret) {
- pr_err("Could not build davinci_emac hwmod device\n");
- return;
- }
-
- v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
- v &= ~AM35XX_CPGMACSS_SW_RST;
- omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
- omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
-}
diff --git a/arch/arm/mach-omap2/am35xx-emac.h b/arch/arm/mach-omap2/am35xx-emac.h
deleted file mode 100644
index 15c6f9c..0000000
--- a/arch/arm/mach-omap2/am35xx-emac.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
- * Copyright (C) 2011 Ilya Yanok, Emcraft Systems
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#define AM35XX_DEFAULT_MDIO_FREQUENCY 1000000
-
-#if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE)
-void am35xx_emac_init(unsigned long mdio_bus_freq, u8 rmii_en);
-#else
-static inline void am35xx_emac_init(unsigned long mdio_bus_freq, u8 rmii_en) {}
-#endif
--
1.8.1.1
^ permalink raw reply related [flat|nested] 6+ messages in thread