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Message-Id: <1281544297-18015-1-git-send-email-Jacob.Tanenbaum@logicpd.com>
Date: Wed, 11 Aug 2010 12:31:34 -0400
From: Jacob Tanenbaum <Jacob.Tanenbaum@...icpd.com>
To: linux@....linux.org.uk
Cc: linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
rmk@....linux.org.uk, tony@...mide.com,
Jacob Tanenbaum <Jacob.Tanenbaum@...icpd.com>
Subject: [PATCH 1/4] initial support for LogicPD's OMAP3 SOM and TORPEDO development kits
Adding LogicPD OMAP3 board support
Adding support for LogicPD's OMAP 3530 LV SOM and
OMAP 35x Torpedo board.
Tested against: linux-next 81e09f50c93edff607259cbe374a3006c9c5fa74
Signed-off-by: Jacob Tanenbaum <Jacob.Tanenbaum@...icpd.com>
---
arch/arm/configs/omap3_defconfig | 2 +
arch/arm/mach-omap2/Kconfig | 8 ++
arch/arm/mach-omap2/Makefile | 4 +
arch/arm/mach-omap2/board-omap3logic.c | 184 ++++++++++++++++++++++++++++++++
4 files changed, 198 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-omap2/board-omap3logic.c
diff --git a/arch/arm/configs/omap3_defconfig b/arch/arm/configs/omap3_defconfig
index 5db9a6b..f510dfd 100644
--- a/arch/arm/configs/omap3_defconfig
+++ b/arch/arm/configs/omap3_defconfig
@@ -37,6 +37,8 @@ CONFIG_MACH_OMAP_2430SDP=y
CONFIG_MACH_OMAP3_BEAGLE=y
CONFIG_MACH_DEVKIT8000=y
CONFIG_MACH_OMAP_LDP=y
+CONFIG_MACH_OMAP3530_LV_SOM=y
+CONFIG_MACH_OMAP3_TORPEDO=y
CONFIG_MACH_OVERO=y
CONFIG_MACH_OMAP3EVM=y
CONFIG_MACH_OMAP3517EVM=y
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index b48bacf..42e7d4a 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -135,6 +135,14 @@ config MACH_OMAP_LDP
default y
select OMAP_PACKAGE_CBB
+config MACH_OMAP3530_LV_SOM
+ bool "OMAP3 Logic 3530 LV SOM board"
+ depends on ARCH_OMAP3
+
+config MACH_OMAP3_TORPEDO
+ bool "OMAP3 Logic 35x Torpedo board"
+ depends on ARCH_OMAP3
+
config MACH_OVERO
bool "Gumstix Overo board"
depends on ARCH_OMAP3
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 63b2d88..bc77d32 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -114,6 +114,10 @@ obj-$(CONFIG_MACH_DEVKIT8000) += board-devkit8000.o \
obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o \
board-flash.o \
hsmmc.o
+obj-$(CONFIG_MACH_OMAP3530_LV_SOM) += board-omap3logic.o \
+ hsmmc.o
+obj-$(CONFIG_MACH_OMAP3_TORPEDO) += board-omap3logic.o \
+ hsmmc.o
obj-$(CONFIG_MACH_OVERO) += board-overo.o \
hsmmc.o
obj-$(CONFIG_MACH_OMAP3EVM) += board-omap3evm.o \
diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c
new file mode 100644
index 0000000..b449f9e
--- /dev/null
+++ b/arch/arm/mach-omap2/board-omap3logic.c
@@ -0,0 +1,184 @@
+/*
+ * linux/arch/arm/mach-omap2/board-omap3logic.c
+ *
+ * Copyright (C) 2010 Li-Pro.Net
+ * Stephan Linz <linz@...pro.net>
+ *
+ * Copyright (C) 2010 Logic Product Development, Inc.
+ * Peter Barada <peter.barada@...icpd.com>
+ *
+ * Modified from Beagle, EVM, and RX51
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#include <linux/regulator/machine.h>
+
+#include <linux/i2c/twl.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include "mux.h"
+
+#include <plat/mux.h>
+#include <plat/board.h>
+#include <plat/common.h>
+#include <plat/gpmc.h>
+#include <plat/timer-gp.h>
+#include <plat/sdrc.h>
+
+/* Micron MT46H32M32LF-6 */
+/* FIXME: borrowed from sdram-micron-mt46h32m32lf-6.h because on LogicPD
+ * boards we can't use the default values -- why? I suspect the reason
+ * lies in the boot strap code. We correct this part if we have ported
+ * U-Boot and X-Load. */
+
+static struct omap_sdrc_params mt46h32m32lf6_sdrc_params[] = {
+ [0] = {
+ .rate = 166000000,
+ .actim_ctrla = 0xaa9db4c6,
+ .actim_ctrlb = 0x00011517,
+ .rfr_ctrl = 0x0004e201,
+ .mr = 0x00000032,
+ },
+ [1] = {
+ .rate = 165941176,
+ .actim_ctrla = 0xaa9db4c6,
+ .actim_ctrlb = 0x00011517,
+ .rfr_ctrl = 0x0004e201,
+ .mr = 0x00000032,
+ },
+ [2] = {
+ .rate = 83000000,
+ .actim_ctrla = 0x8a99b481,
+ .actim_ctrlb = 0x00011312,
+ .rfr_ctrl = 0x0003de01,
+ .mr = 0x00000032,
+ },
+ [3] = {
+ .rate = 82970588,
+ .actim_ctrla = 0x8a99b481,
+ .actim_ctrlb = 0x00011312,
+ .rfr_ctrl = 0x0003de01,
+ .mr = 0x00000032,
+ },
+ [4] = {
+ .rate = 0
+ },
+};
+
+static int omap3logic_twl_gpio_setup(struct device *dev,
+ unsigned gpio, unsigned ngpio)
+{
+ return 0;
+}
+
+static struct twl4030_gpio_platform_data omap3logic_gpio_data = {
+ .gpio_base = OMAP_MAX_GPIO_LINES,
+ .irq_base = TWL4030_GPIO_IRQ_BASE,
+ .irq_end = TWL4030_GPIO_IRQ_END,
+ .use_leds = true,
+ .pullups = BIT(1),
+ .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8)
+ | BIT(13) | BIT(15) | BIT(16) | BIT(17),
+ .setup = omap3logic_twl_gpio_setup,
+};
+
+static struct twl4030_platform_data omap3logic_twldata = {
+ .irq_base = TWL4030_IRQ_BASE,
+ .irq_end = TWL4030_IRQ_END,
+
+ /* platform_data for children goes here */
+ .gpio = &omap3logic_gpio_data,
+};
+
+static struct i2c_board_info __initdata omap3logic_i2c_boardinfo[] = {
+ {
+ I2C_BOARD_INFO("twl4030", 0x48),
+ .flags = I2C_CLIENT_WAKE,
+ .irq = INT_34XX_SYS_NIRQ,
+ .platform_data = &omap3logic_twldata,
+ },
+};
+
+static int __init omap3logic_i2c_init(void)
+{
+ omap_register_i2c_bus(1, 2600, omap3logic_i2c_boardinfo,
+ ARRAY_SIZE(omap3logic_i2c_boardinfo));
+ return 0;
+}
+
+static struct omap_board_config_kernel omap3logic_config[] __initdata = {
+};
+
+static void __init omap3logic_init_irq(void)
+{
+ omap_board_config = omap3logic_config;
+ omap_board_config_size = ARRAY_SIZE(omap3logic_config);
+ omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
+ mt46h32m32lf6_sdrc_params);
+ omap_init_irq();
+#ifdef CONFIG_OMAP_32K_TIMER
+ omap2_gp_clockevent_set_gptimer(12);
+#endif
+ omap_gpio_init();
+}
+
+
+
+static void __init omap3logic_init(void)
+{
+ omap3logic_i2c_init();
+ omap_serial_init();
+
+ /* Ensure SDRC pins are mux'd for self-refresh */
+/* omap_cfg_reg(H16_34XX_SDRC_CKE0);
+ omap_cfg_reg(H17_34XX_SDRC_CKE1);
+ omap_cfg_reg(SDRC_CKE0);
+ omap_cfg_reg(SDRC_CKE1); */
+ omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
+ omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
+}
+
+static void __init omap3logic_map_io(void)
+{
+ omap2_set_globals_3xxx();
+ omap34xx_map_common_io();
+}
+#ifdef CONFIG_MACH_OMAP3_TORPEDO
+ MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board")
+ .phys_io = 0x48000000,
+ .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = omap3logic_map_io,
+ .init_irq = omap3logic_init_irq,
+ .init_machine = omap3logic_init,
+ .timer = &omap_timer,
+ MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_OMAP3530_LV_SOM
+ MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board")
+ .phys_io = 0x48000000,
+ .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = omap3logic_map_io,
+ .init_irq = omap3logic_init_irq,
+ .init_machine = omap3logic_init,
+ .timer = &omap_timer,
+ MACHINE_END
+#endif
--
1.6.0.4
--
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