* Pandita, Vikram <[email protected]> [090518 20:55]: > Tony > > >-----Original Message----- > >From: Tony Lindgren [mailto:[email protected]] > >Sent: Monday, May 18, 2009 4:39 PM > >To: Pandita, Vikram > >Cc: Christensen, Mikkel; [email protected] > >Subject: Re: [PATCH v3 1/3] OMAP3:zoom2: Add support for OMAP3 Zoom2 board > > > >* Pandita, Vikram <[email protected]> [090518 14:31]: > >> Tony > >> > >> >> > >> >> + > >> >> + zoom2_init_smsc911x(); > >> >> + zoom2_init_quaduart(); > >> >> + return platform_add_devices(zoom2_devices, > >> >> ARRAY_SIZE(zoom2_devices)); > >> >> +} > >> >> +arch_initcall(omap_zoom2_debugboard_init); > >> > > >> >Please just move all the related functions to board-zoom2.c. I don't see > >> >any > >> >reason to have a separate file for the debugboard features. The runtime > >> >detection > >> >should do the trick. > >> > >> Two reasons for keeping a separate debug board. > >> a) debug board is detachable in h/w and hence we thought its better to > >> keep the s/w also that way > >> The quart chip on debug bard is a quard-uart and can support 4 different > >> console outputs. > >> All those we thought of adding in future. > > > >Well those you can easily optimize out by not compiling in those devices. > > > >> > >> b) we took reference from board-rx51-peripherals.c wherein some parts of > >> the board file can be > >moved out to a new file > >> > >> If you still think we need to merge, then let us know. > >> We are open to suggestions/changes. > > > >Well the reason for separate board-*-peripheral-whatever.c files is that > >they're intended to be shared with other board-*.c files. Currently n8x0 > >and rx51 share devices. In general, we should try to do generic platform > >init files, like gpmc-onenand.c and gpmc-smc91x.c. > > > >Then I see need for gpmc-sdp-flash.c that's shared between 2430 and 3430 sdp > >at least. > > > >So yeah, for zoom2, I'd rather see just board-zoom2.c for now. But if you > >create some other board that uses the same debug board functions, then > >there could be a separate zoom-debugboard.c. > > > Yes. There is next generation of zoom boards that will re-use the Debug board. > That way the debug board file will get re-used.
OK, how about rename it to something that makes sense as a name for multiple zoom like boards and resubmit. Also the arch_initcall() issue below still needs fixing. Regards, Tony > > > > >Regards, > > > >Tony > > > > > >> > > >> >Also, the arch_initcall() above is wrong, it runs for all the boards and > >> >platforms compiled in even if they are not zoom2 boards. > >> > > >> >Other than, looks OK to me, so we might be able to get this into mainline > >> >this merge window. > >> > > >> >Regards, > >> > > >> >Tony > >> > >> > >> > >> > > >> > > >> >> diff --git a/arch/arm/mach-omap2/board-zoom2.c > >> >> b/arch/arm/mach-omap2/board-zoom2.c > >> >> new file mode 100644 > >> >> index 0000000..5a656b3 > >> >> --- /dev/null > >> >> +++ b/arch/arm/mach-omap2/board-zoom2.c > >> >> @@ -0,0 +1,107 @@ > >> >> +/* > >> >> + * Copyright (C) 2009 Texas Instruments Inc. > >> >> + * Mikkel Christensen <[email protected]> > >> >> + * > >> >> + * Modified from mach-omap2/board-ldp.c > >> >> + * > >> >> + * 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/i2c/twl4030.h> > >> >> + > >> >> +#include <asm/mach-types.h> > >> >> +#include <asm/mach/arch.h> > >> >> + > >> >> +#include <mach/gpio.h> > >> >> +#include <mach/common.h> > >> >> +#include <mach/usb.h> > >> >> + > >> >> +#include "mmc-twl4030.h" > >> >> + > >> >> +static void __init omap_zoom2_init_irq(void) > >> >> +{ > >> >> + omap2_init_common_hw(NULL); > >> >> + omap_init_irq(); > >> >> + omap_gpio_init(); > >> >> +} > >> >> + > >> >> +static struct omap_uart_config zoom2_uart_config __initdata = { > >> >> + .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), > >> >> +}; > >> >> + > >> >> +static struct omap_board_config_kernel zoom2_config[] __initdata = { > >> >> + { OMAP_TAG_UART, &zoom2_uart_config }, > >> >> +}; > >> >> + > >> >> +static struct twl4030_gpio_platform_data zoom2_gpio_data = { > >> >> + .gpio_base = OMAP_MAX_GPIO_LINES, > >> >> + .irq_base = TWL4030_GPIO_IRQ_BASE, > >> >> + .irq_end = TWL4030_GPIO_IRQ_END, > >> >> +}; > >> >> + > >> >> +static struct twl4030_platform_data zoom2_twldata = { > >> >> + .irq_base = TWL4030_IRQ_BASE, > >> >> + .irq_end = TWL4030_IRQ_END, > >> >> + > >> >> + /* platform_data for children goes here */ > >> >> + .gpio = &zoom2_gpio_data, > >> >> +}; > >> >> + > >> >> +static struct i2c_board_info __initdata zoom2_i2c_boardinfo[] = { > >> >> + { > >> >> + I2C_BOARD_INFO("twl4030", 0x48), > >> >> + .flags = I2C_CLIENT_WAKE, > >> >> + .irq = INT_34XX_SYS_NIRQ, > >> >> + .platform_data = &zoom2_twldata, > >> >> + }, > >> >> +}; > >> >> + > >> >> +static int __init omap_i2c_init(void) > >> >> +{ > >> >> + omap_register_i2c_bus(1, 2600, zoom2_i2c_boardinfo, > >> >> + ARRAY_SIZE(zoom2_i2c_boardinfo)); > >> >> + omap_register_i2c_bus(2, 400, NULL, 0); > >> >> + omap_register_i2c_bus(3, 400, NULL, 0); > >> >> + return 0; > >> >> +} > >> >> + > >> >> +static struct twl4030_hsmmc_info mmc[] __initdata = { > >> >> + { > >> >> + .mmc = 1, > >> >> + .wires = 4, > >> >> + .gpio_cd = -EINVAL, > >> >> + .gpio_wp = -EINVAL, > >> >> + }, > >> >> + {} /* Terminator */ > >> >> +}; > >> >> + > >> >> +static void __init omap_zoom2_init(void) > >> >> +{ > >> >> + omap_i2c_init(); > >> >> + omap_board_config = zoom2_config; > >> >> + omap_board_config_size = ARRAY_SIZE(zoom2_config); > >> >> + omap_serial_init(); > >> >> + twl4030_mmc_init(mmc); > >> >> + usb_musb_init(); > >> >> +} > >> >> + > >> >> +static void __init omap_zoom2_map_io(void) > >> >> +{ > >> >> + omap2_set_globals_343x(); > >> >> + omap2_map_common_io(); > >> >> +} > >> >> + > >> >> +MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board") > >> >> + .phys_io = 0x48000000, > >> >> + .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, > >> >> + .boot_params = 0x80000100, > >> >> + .map_io = omap_zoom2_map_io, > >> >> + .init_irq = omap_zoom2_init_irq, > >> >> + .init_machine = omap_zoom2_init, > >> >> + .timer = &omap_timer, > >> >> +MACHINE_END > >> >> -- > >> >> 1.5.4.3 > >> >> > >> >> -- > >> >> To unsubscribe from this list: send the line "unsubscribe linux-omap" in > >> >> the body of a message to [email protected] > >> >> More majordomo info at http://vger.kernel.org/majordomo-info.html > >> > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
