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https://github.com/edk2-porting/linux-next.git
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2000655ee7
This patch adds board specific SDRAM init for RX51. This patch is a collaboration of work from following people: Juha Yrjola: Original code Lauri Leukkunen: Port to RX51 Tero Kristo: Support for multiple OPP:s, merge of patches Samu Onkalo: Fixed SDRAM parameters according to specs Kalle Jokiniemi: A fix for rounding error Signed-off-by: Tero Kristo <tero.kristo@nokia.com> Cc: Samu Onkalo <samu.p.onkalo@nokia.com> Cc: Kalle Jokiniemi <kalle.jokiniemi@digia.com> Cc: Lauri Leukkunen <lauri.leukkunen@nokia.com> Cc: Juha Yrjola <juha.yrjola@solidboot.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
99 lines
2.3 KiB
C
99 lines
2.3 KiB
C
/*
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* linux/arch/arm/mach-omap2/board-rx51.c
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*
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* Copyright (C) 2007, 2008 Nokia
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/err.h>
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <linux/gpio.h>
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#include <mach/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <plat/mcspi.h>
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#include <plat/mux.h>
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#include <plat/board.h>
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#include <plat/common.h>
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#include <plat/dma.h>
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#include <plat/gpmc.h>
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#include <plat/usb.h>
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struct omap_sdrc_params *rx51_get_sdram_timings(void);
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static struct omap_lcd_config rx51_lcd_config = {
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.ctrl_name = "internal",
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};
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static struct omap_fbmem_config rx51_fbmem0_config = {
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.size = 752 * 1024,
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};
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static struct omap_fbmem_config rx51_fbmem1_config = {
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.size = 752 * 1024,
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};
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static struct omap_fbmem_config rx51_fbmem2_config = {
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.size = 752 * 1024,
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};
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static struct omap_board_config_kernel rx51_config[] = {
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{ OMAP_TAG_FBMEM, &rx51_fbmem0_config },
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{ OMAP_TAG_FBMEM, &rx51_fbmem1_config },
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{ OMAP_TAG_FBMEM, &rx51_fbmem2_config },
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{ OMAP_TAG_LCD, &rx51_lcd_config },
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};
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static void __init rx51_init_irq(void)
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{
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struct omap_sdrc_params *sdrc_params;
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omap_board_config = rx51_config;
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omap_board_config_size = ARRAY_SIZE(rx51_config);
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sdrc_params = rx51_get_sdram_timings();
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omap2_init_common_hw(sdrc_params, sdrc_params);
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omap_init_irq();
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omap_gpio_init();
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}
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extern void __init rx51_peripherals_init(void);
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static void __init rx51_init(void)
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{
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omap_serial_init();
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usb_musb_init();
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rx51_peripherals_init();
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/* Ensure SDRC pins are mux'd for self-refresh */
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omap_cfg_reg(H16_34XX_SDRC_CKE0);
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omap_cfg_reg(H17_34XX_SDRC_CKE1);
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}
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static void __init rx51_map_io(void)
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{
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omap2_set_globals_343x();
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omap2_map_common_io();
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}
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MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")
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/* Maintainer: Lauri Leukkunen <lauri.leukkunen@nokia.com> */
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.phys_io = 0x48000000,
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.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
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.boot_params = 0x80000100,
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.map_io = rx51_map_io,
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.init_irq = rx51_init_irq,
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.init_machine = rx51_init,
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.timer = &omap_timer,
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MACHINE_END
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