[PATCH 4/7] ARM OMAP: Create device file

Teresa Gámez t.gamez at phytec.de
Tue Dec 18 09:13:22 EST 2012


Created wrapper to add omap devices.

Signed-off-by: Teresa Gámez <t.gamez at phytec.de>
---
 arch/arm/mach-omap/Makefile                      |    4 +-
 arch/arm/mach-omap/devices.c                     |   69 +++++++++++++++++++
 arch/arm/mach-omap/include/mach/am33xx-devices.h |   36 ++++++++++
 arch/arm/mach-omap/include/mach/devices.h        |   27 ++++++++
 arch/arm/mach-omap/include/mach/omap3-devices.h  |   60 ++++++++++++++++-
 arch/arm/mach-omap/include/mach/omap4-devices.h  |   77 ++++++++++++++++++++++
 6 files changed, 269 insertions(+), 4 deletions(-)
 create mode 100644 arch/arm/mach-omap/devices.c
 create mode 100644 arch/arm/mach-omap/include/mach/am33xx-devices.h
 create mode 100644 arch/arm/mach-omap/include/mach/devices.h
 create mode 100644 arch/arm/mach-omap/include/mach/omap4-devices.h

diff --git a/arch/arm/mach-omap/Makefile b/arch/arm/mach-omap/Makefile
index 1536744..494da4e 100644
--- a/arch/arm/mach-omap/Makefile
+++ b/arch/arm/mach-omap/Makefile
@@ -15,8 +15,8 @@
 # GNU General Public License for more details.
 #
 #
-obj-$(CONFIG_ARCH_OMAP) += syslib.o
-pbl-$(CONFIG_ARCH_OMAP) += syslib.o
+obj-$(CONFIG_ARCH_OMAP) += syslib.o devices.o
+pbl-$(CONFIG_ARCH_OMAP) += syslib.o devices.o
 obj-$(CONFIG_OMAP_CLOCK_SOURCE_S32K) += s32k_clksource.o
 obj-$(CONFIG_OMAP_CLOCK_SOURCE_DMTIMER0) += dmtimer0.o
 obj-$(CONFIG_ARCH_OMAP3) += omap3_core.o omap3_generic.o auxcr.o
diff --git a/arch/arm/mach-omap/devices.c b/arch/arm/mach-omap/devices.c
new file mode 100644
index 0000000..011db5a
--- /dev/null
+++ b/arch/arm/mach-omap/devices.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2012 Teresa Gámez, Phytec Messtechnik GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <driver.h>
+#include <sizes.h>
+#include <ns16550.h>
+#include <asm/armlinux.h>
+#include <mach/devices.h>
+
+static inline struct device_d *omap_add_device(char *name, resource_size_t base,
+					resource_size_t size, void *pdata)
+{
+	return add_generic_device(name, DEVICE_ID_DYNAMIC, NULL,
+				base, size, IORESOURCE_MEM, pdata);
+}
+
+void omap_add_ram0(resource_size_t size)
+{
+	arm_add_mem_device("ram0", 0x80000000, size);
+}
+
+void omap_add_sram0(resource_size_t base, resource_size_t size)
+{
+	add_mem_device("sram0", base, size, IORESOURCE_MEM_WRITEABLE);
+}
+
+static struct NS16550_plat serial_plat = {
+	.clock = 48000000,      /* 48MHz (APLL96/2) */
+	.shift = 2,
+};
+
+struct device_d *omap_add_ns16550(resource_size_t base)
+{
+	return add_ns16550_device(DEVICE_ID_DYNAMIC, base, SZ_1K,
+				IORESOURCE_MEM_8BIT, &serial_plat);
+}
+
+struct device_d *omap_add_mmc(resource_size_t base, void *pdata)
+{
+	return omap_add_device("omap-hsmmc", base, SZ_4K, pdata);
+}
+
+struct device_d *omap_add_i2c(resource_size_t base, void *pdata)
+{
+	return omap_add_device("i2c-omap", base, SZ_4K, pdata);
+}
+
+struct device_d *omap_add_spi(int id, resource_size_t base, void *pdata)
+{
+	 return add_generic_device("omap3_spi", id, NULL,
+			base, SZ_4K, IORESOURCE_MEM, pdata);
+}
diff --git a/arch/arm/mach-omap/include/mach/am33xx-devices.h b/arch/arm/mach-omap/include/mach/am33xx-devices.h
new file mode 100644
index 0000000..40ce854
--- /dev/null
+++ b/arch/arm/mach-omap/include/mach/am33xx-devices.h
@@ -0,0 +1,36 @@
+#include <driver.h>
+#include <sizes.h>
+
+#include <mach/devices.h>
+#include <mach/mcspi.h>
+#include <mach/am33xx-silicon.h>
+
+static inline struct device_d *am33xx_add_ns16550_uart0(void)
+{
+	return omap_add_ns16550(AM33XX_UART0_BASE);
+}
+
+static inline struct device_d *am33xx_add_ns16550_uart1(void)
+{
+	return omap_add_ns16550(AM33XX_UART1_BASE);
+}
+
+static inline struct device_d *am33xx_add_ns16550_uart2(void)
+{
+	return omap_add_ns16550(AM33XX_UART2_BASE);
+}
+
+static inline struct device_d *am33xx_add_mmc0(void *pdata)
+{
+	return omap_add_mmc(AM33XX_MMCHS0_BASE + 0x100, pdata);
+}
+
+static inline struct device_d *am33xx_add_mmc1(void *pdata)
+{
+	return omap_add_mmc(AM33XX_MMC1_BASE + 0x100, pdata);
+}
+
+static inline struct device_d *am33xx_add_mmc2(void *pdata)
+{
+	return omap_add_mmc(AM33XX_MMCHS2_BASE + 0x100, pdata);
+}
diff --git a/arch/arm/mach-omap/include/mach/devices.h b/arch/arm/mach-omap/include/mach/devices.h
new file mode 100644
index 0000000..3841558
--- /dev/null
+++ b/arch/arm/mach-omap/include/mach/devices.h
@@ -0,0 +1,27 @@
+/*
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __ASM_ARCH_OMAP_DEVICES_H
+#define __ASM_ARCH_OMAP_DEVICES_H
+
+void omap_add_ram0(resource_size_t size);
+void omap_add_sram0(resource_size_t base, resource_size_t size);
+struct device_d *omap_add_ns16550(resource_size_t base);
+struct device_d *omap_add_mmc(resource_size_t base, void *pdata);
+struct device_d *omap_add_i2c(resource_size_t base, void *pdata);
+struct device_d *omap_add_spi(int id, resource_size_t base, void *pdata);
+
+#endif
diff --git a/arch/arm/mach-omap/include/mach/omap3-devices.h b/arch/arm/mach-omap/include/mach/omap3-devices.h
index 8a6b324..35ee51c 100644
--- a/arch/arm/mach-omap/include/mach/omap3-devices.h
+++ b/arch/arm/mach-omap/include/mach/omap3-devices.h
@@ -1,14 +1,70 @@
 #include <driver.h>
 #include <sizes.h>
 
+#include <mach/devices.h>
 #include <mach/mcspi.h>
+#include <mach/omap3-silicon.h>
+
+static inline void omap3_add_sram0(void)
+{
+	return omap_add_sram0(OMAP_SRAM_BASE, 64 * SZ_1K);
+}
+
+static inline struct device_d *omap3_add_ns16550_uart1(void)
+{
+	return omap_add_ns16550(OMAP_UART1_BASE);
+}
+
+static inline struct device_d *omap3_add_ns16550_uart2(void)
+{
+	return omap_add_ns16550(OMAP_UART2_BASE);
+}
+
+static inline struct device_d *omap3_add_ns16550_uart3(void)
+{
+	return omap_add_ns16550(OMAP_UART3_BASE);
+}
+static inline struct device_d *omap3_add_i2c1(void *pdata)
+{
+	return omap_add_i2c(OMAP_I2C1_BASE, pdata);
+}
+
+static inline struct device_d *omap3_add_i2c2(void *pdata)
+{
+	return omap_add_i2c(OMAP_I2C2_BASE, pdata);
+}
+
+static inline struct device_d *omap3_add_i2c3(void *pdata)
+{
+	return omap_add_i2c(OMAP_I2C3_BASE, pdata);
+}
+
+static inline struct device_d *omap3_add_mmc1(void *pdata)
+{
+	return omap_add_mmc(OMAP_MMC1_BASE, pdata);
+}
+
+static inline struct device_d *omap3_add_mmc2(void *pdata)
+{
+	return omap_add_mmc(OMAP_MMC2_BASE, pdata);
+}
+
+static inline struct device_d *omap3_add_mmc3(void *pdata)
+{
+	return omap_add_mmc(OMAP_MMC3_BASE, pdata);
+}
+
+static inline struct device_d *omap3_add_ehci(void *pdata)
+{
+	return  add_usb_ehci_device(DEVICE_ID_DYNAMIC,  OMAP_EHCI_BASE,
+					OMAP_EHCI_BASE + 0x10, pdata);
+}
 
 /* the device numbering is the same as in the device tree */
 
 static inline struct device_d *omap3_add_spi(int id, resource_size_t start)
 {
-	return add_generic_device("omap3_spi", id, NULL, start, SZ_4K,
-				   IORESOURCE_MEM, NULL);
+	return omap_add_spi(id, start, NULL);
 }
 
 static inline struct device_d *omap3_add_spi1(void)
diff --git a/arch/arm/mach-omap/include/mach/omap4-devices.h b/arch/arm/mach-omap/include/mach/omap4-devices.h
new file mode 100644
index 0000000..0f58cc9
--- /dev/null
+++ b/arch/arm/mach-omap/include/mach/omap4-devices.h
@@ -0,0 +1,77 @@
+#include <driver.h>
+#include <sizes.h>
+
+#include <mach/devices.h>
+#include <mach/omap4-silicon.h>
+
+static inline void omap4_add_sram0(void)
+{
+	return omap_add_sram0(OMAP44XX_SRAM_BASE, 48 * SZ_1K);
+}
+
+static inline struct device_d *omap4_add_ns16550_uart1(void)
+{
+	return omap_add_ns16550(OMAP44XX_UART1_BASE);
+}
+
+static inline struct device_d *omap4_add_ns16550_uart2(void)
+{
+	return omap_add_ns16550(OMAP44XX_UART2_BASE);
+}
+
+static inline struct device_d *omap4_add_ns16550_uart3(void)
+{
+	return omap_add_ns16550(OMAP44XX_UART3_BASE);
+}
+
+static inline struct device_d *omap4_add_i2c1(void *pdata)
+{
+	return omap_add_i2c(OMAP44XX_I2C1_BASE, pdata);
+}
+
+static inline struct device_d *omap4_add_i2c2(void *pdata)
+{
+	return omap_add_i2c(OMAP44XX_I2C2_BASE, pdata);
+}
+
+static inline struct device_d *omap4_add_i2c3(void *pdata)
+{
+	return omap_add_i2c(OMAP44XX_I2C3_BASE, pdata);
+}
+
+static inline struct device_d *omap4_add_i2c4(void *pdata)
+{
+	return omap_add_i2c(OMAP44XX_I2C4_BASE, pdata);
+}
+
+static inline struct device_d *omap4_add_mmc1(void *pdata)
+{
+	return omap_add_mmc(OMAP44XX_MMC1_BASE, pdata);
+}
+
+static inline struct device_d *omap4_add_mmc2(void *pdata)
+{
+	return omap_add_mmc(OMAP44XX_MMC2_BASE, pdata);
+}
+
+static inline struct device_d *omap4_add_mmc3(void *pdata)
+{
+	return omap_add_mmc(OMAP44XX_MMC3_BASE, pdata);
+}
+
+static inline struct device_d *omap4_add_mmc4(void *pdata)
+{
+	return omap_add_mmc(OMAP44XX_MMC4_BASE, pdata);
+}
+
+static inline struct device_d *omap4_add_mmc5(void *pdata)
+{
+	return omap_add_mmc(OMAP44XX_MMC5_BASE, pdata);
+}
+
+static inline struct device_d *omap4_add_ehci(void *pdata)
+{
+	return add_usb_ehci_device(DEVICE_ID_DYNAMIC, OMAP44XX_EHCI_BASE,
+					OMAP44XX_EHCI_BASE + 0x10, pdata);
+}
+
-- 
1.7.0.4




More information about the barebox mailing list