128 lines
3.2 KiB
C
128 lines
3.2 KiB
C
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/*
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* Copyright (c) 2008, Google Inc.
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* All rights reserved.
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*
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* Copyright (c) 2009-2012, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google, Inc. nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <reg.h>
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#include <debug.h>
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#include <kernel/thread.h>
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#include <platform/debug.h>
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#include <platform/iomap.h>
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#include <platform/irqs.h>
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#include <mddi.h>
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#include <dev/fbcon.h>
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#include <dev/gpio.h>
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#include <smem.h>
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static struct fbcon_config *fb_config;
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static uint32_t ticks_per_sec = 0;
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void platform_init_interrupts(void);
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void platform_init_timer();
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void uart3_clock_init(void);
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void uart_init(void);
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void acpu_clock_init(void);
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void mddi_clock_init(unsigned num, unsigned rate);
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unsigned board_msm_id(void);
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static int target_uses_qgic;
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int debug_timer = 0, gpt_timer = 0, usb_hs_int = 0;
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void platform_early_init(void)
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{
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#if WITH_DEBUG_UART
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uart1_clock_init();
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uart_init();
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#endif
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if(machine_is_8x25()) {
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qgic_init();
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target_uses_qgic = 1;
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debug_timer = (GIC_PPI_START + 2);
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gpt_timer = (GIC_PPI_START + 3);
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usb_hs_int = INT_USB_HS_GIC;
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} else {
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platform_init_interrupts();
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debug_timer = 8;
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gpt_timer = 7;
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usb_hs_int = INT_USB_HS_VIC;
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}
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platform_init_timer();
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}
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void platform_init(void)
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{
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dprintf(INFO, "platform_init()\n");
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acpu_clock_init();
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}
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void platform_uninit(void)
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{
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#if DISPLAY_SPLASH_SCREEN
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display_shutdown();
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#endif
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platform_uninit_timer();
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}
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/* Initialize DGT timer */
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void platform_init_timer(void)
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{
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/* disable timer */
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writel(0, DGT_ENABLE);
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ticks_per_sec = 19200000; /* Uses TCXO (19.2 MHz) */
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}
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/* Returns timer ticks per sec */
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uint32_t platform_tick_rate(void)
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{
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return ticks_per_sec;
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}
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bool machine_is_7x25a(void)
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{
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if ((board_msm_id() == MSM7225A) || (board_msm_id() == MSM7625A))
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return 1;
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else
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return 0;
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}
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int target_supports_qgic()
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{
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return target_uses_qgic;
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}
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