1c2f87c225
memblock is now fully integrated into the kernel and is the prefered method for tracking memory. Rather than reinvent the wheel with meminfo, migrate to using memblock directly instead of meminfo as an intermediate. Acked-by: Jason Cooper <jason@lakedaemon.net> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Leif Lindholm <leif.lindholm@linaro.org> Signed-off-by: Laura Abbott <lauraa@codeaurora.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
192 lines
4.8 KiB
C
192 lines
4.8 KiB
C
/* Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
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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 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#include <linux/gpio.h>
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#include <linux/kernel.h>
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#include <linux/irq.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/io.h>
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#include <linux/smsc911x.h>
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#include <linux/usb/msm_hsusb.h>
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#include <linux/clkdev.h>
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#include <linux/memblock.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/memory.h>
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#include <asm/setup.h>
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#include <mach/clk.h>
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#include <mach/msm_iomap.h>
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#include <mach/dma.h>
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#include <mach/vreg.h>
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#include "devices.h"
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#include "gpiomux.h"
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#include "proc_comm.h"
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#include "common.h"
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static void __init msm7x30_fixup(struct tag *tag, char **cmdline)
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{
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for (; tag->hdr.size; tag = tag_next(tag))
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if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) {
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tag->u.mem.start = 0;
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tag->u.mem.size += SZ_2M;
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}
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}
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static void __init msm7x30_reserve(void)
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{
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memblock_remove(0x0, SZ_2M);
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}
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static int hsusb_phy_init_seq[] = {
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0x30, 0x32, /* Enable and set Pre-Emphasis Depth to 20% */
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0x02, 0x36, /* Disable CDR Auto Reset feature */
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-1
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};
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static int hsusb_link_clk_reset(struct clk *link_clk, bool assert)
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{
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int ret;
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if (assert) {
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ret = clk_reset(link_clk, CLK_RESET_ASSERT);
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if (ret)
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pr_err("usb hs_clk assert failed\n");
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} else {
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ret = clk_reset(link_clk, CLK_RESET_DEASSERT);
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if (ret)
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pr_err("usb hs_clk deassert failed\n");
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}
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return ret;
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}
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static int hsusb_phy_clk_reset(struct clk *phy_clk)
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{
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int ret;
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ret = clk_reset(phy_clk, CLK_RESET_ASSERT);
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if (ret) {
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pr_err("usb phy clk assert failed\n");
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return ret;
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}
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usleep_range(10000, 12000);
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ret = clk_reset(phy_clk, CLK_RESET_DEASSERT);
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if (ret)
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pr_err("usb phy clk deassert failed\n");
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return ret;
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}
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static struct msm_otg_platform_data msm_otg_pdata = {
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.phy_init_seq = hsusb_phy_init_seq,
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.mode = USB_PERIPHERAL,
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.otg_control = OTG_PHY_CONTROL,
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.link_clk_reset = hsusb_link_clk_reset,
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.phy_clk_reset = hsusb_phy_clk_reset,
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};
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struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = {
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#ifdef CONFIG_SERIAL_MSM_CONSOLE
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[49] = { /* UART2 RFR */
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.suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
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GPIOMUX_FUNC_2 | GPIOMUX_VALID,
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},
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[50] = { /* UART2 CTS */
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.suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
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GPIOMUX_FUNC_2 | GPIOMUX_VALID,
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},
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[51] = { /* UART2 RX */
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.suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
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GPIOMUX_FUNC_2 | GPIOMUX_VALID,
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},
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[52] = { /* UART2 TX */
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.suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
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GPIOMUX_FUNC_2 | GPIOMUX_VALID,
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},
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#endif
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};
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static struct platform_device *devices[] __initdata = {
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&msm_clock_7x30,
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&msm_device_gpio_7x30,
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#if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER)
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&msm_device_uart2,
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#endif
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&msm_device_smd,
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&msm_device_otg,
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&msm_device_hsusb,
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&msm_device_hsusb_host,
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};
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static void __init msm7x30_init_irq(void)
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{
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msm_init_irq();
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}
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static void __init msm7x30_init(void)
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{
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msm_device_otg.dev.platform_data = &msm_otg_pdata;
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msm_device_hsusb.dev.parent = &msm_device_otg.dev;
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msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;
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platform_add_devices(devices, ARRAY_SIZE(devices));
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}
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static void __init msm7x30_map_io(void)
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{
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msm_map_msm7x30_io();
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}
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static void __init msm7x30_init_late(void)
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{
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smd_debugfs_init();
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}
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MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF")
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.atag_offset = 0x100,
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.fixup = msm7x30_fixup,
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.reserve = msm7x30_reserve,
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.map_io = msm7x30_map_io,
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.init_irq = msm7x30_init_irq,
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.init_machine = msm7x30_init,
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.init_late = msm7x30_init_late,
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.init_time = msm7x30_timer_init,
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MACHINE_END
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MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA")
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.atag_offset = 0x100,
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.fixup = msm7x30_fixup,
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.reserve = msm7x30_reserve,
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.map_io = msm7x30_map_io,
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.init_irq = msm7x30_init_irq,
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.init_machine = msm7x30_init,
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.init_late = msm7x30_init_late,
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.init_time = msm7x30_timer_init,
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MACHINE_END
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MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID")
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.atag_offset = 0x100,
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.fixup = msm7x30_fixup,
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.reserve = msm7x30_reserve,
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.map_io = msm7x30_map_io,
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.init_irq = msm7x30_init_irq,
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.init_machine = msm7x30_init,
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.init_late = msm7x30_init_late,
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.init_time = msm7x30_timer_init,
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MACHINE_END
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