| /* |
| * Copyright (c) 2008, Google Inc. |
| * All rights reserved. |
| * Copyright (c) 2009-2011, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google, Inc. nor the names of its contributors |
| * may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include <debug.h> |
| |
| #include <reg.h> |
| #include <dev/fbcon.h> |
| #include <kernel/thread.h> |
| #include <platform/debug.h> |
| #include <platform/iomap.h> |
| #include <mddi_hw.h> |
| #include "gpio_hw.h" |
| #include <dev/lcdc.h> |
| |
| void platform_init_interrupts(void); |
| void platform_init_timer(); |
| |
| void uart2_clock_init(void); |
| void uart_init(void); |
| |
| struct fbcon_config *lcdc_init(void); |
| static uint32_t ticks_per_sec = 0; |
| |
| #define ARRAY_SIZE(a) (sizeof(a)/(sizeof((a)[0]))) |
| |
| static unsigned uart2_gpio_table[] = { |
| GPIO_CFG(49, 2, GPIO_OUTPUT, GPIO_PULL_DOWN, GPIO_2MA), |
| GPIO_CFG(50, 2, GPIO_INPUT, GPIO_PULL_DOWN, GPIO_2MA), |
| GPIO_CFG(51, 2, GPIO_INPUT, GPIO_PULL_DOWN, GPIO_2MA), |
| GPIO_CFG(52, 2, GPIO_OUTPUT, GPIO_PULL_DOWN, GPIO_2MA), |
| }; |
| |
| /* CRCI - mmc slot mapping. |
| * mmc slot numbering start from 1. |
| * entry at index 0 is just dummy. |
| */ |
| uint8_t sdc_crci_map[5] = { 0, 6, 7, 12, 13 }; |
| |
| void uart2_mux_init(void) |
| { |
| platform_gpios_enable(uart2_gpio_table, ARRAY_SIZE(uart2_gpio_table)); |
| } |
| |
| void platform_early_init(void) |
| { |
| #if WITH_DEBUG_UART |
| uart2_mux_init(); |
| uart2_clock_init(); |
| uart_init(); |
| #endif |
| platform_init_interrupts(); |
| platform_init_timer(); |
| } |
| |
| void platform_init(void) |
| { |
| struct fbcon_config *fb_cfg; |
| |
| dprintf(INFO, "platform_init()\n"); |
| acpu_clock_init(); |
| adm_enable_clock(); |
| } |
| |
| void mdp4_display_intf_sel(int output, int intf) |
| { |
| unsigned bits, mask; |
| unsigned dma2_cfg_reg; |
| bits = readl(MSM_MDP_BASE1 + 0x0038); |
| mask = 0x03; /* 2 bits */ |
| intf &= 0x03; /* 2 bits */ |
| |
| switch (output) { |
| case EXTERNAL_INTF_SEL: |
| intf <<= 4; |
| mask <<= 4; |
| break; |
| case SECONDARY_INTF_SEL: |
| intf &= 0x02; /* only MDDI and EBI2 support */ |
| intf <<= 2; |
| mask <<= 2; |
| break; |
| default: |
| break; |
| } |
| |
| bits &= ~mask; |
| bits |= intf; |
| writel(bits, MSM_MDP_BASE1 + 0x0038); /* MDP_DISP_INTF_SEL */ |
| } |
| |
| void display_init(void) |
| { |
| struct fbcon_config *fb_cfg; |
| |
| #if DISPLAY_TYPE_MDDI |
| mddi_pmdh_clock_init(); |
| mddi_panel_poweron(); |
| /* We need to config GPIO 38 for Sleep clock with Spl Fun 2 */ |
| toshiba_pmic_gpio_init(GPIO38_GPIO_CNTRL); |
| fb_cfg = mddi_init(); |
| fbcon_setup(fb_cfg); |
| #endif |
| |
| #if DISPLAY_TYPE_LCDC |
| if(!machine_is_ffa()) { |
| struct lcdc_timing_parameters *lcd_timing; |
| mdp_lcdc_clock_init(); |
| lcd_timing = get_lcd_timing(); |
| fb_cfg = lcdc_init_set(lcd_timing); |
| panel_poweron(); |
| fbcon_setup(fb_cfg); |
| } |
| #endif |
| } |
| |
| void display_shutdown(void) |
| { |
| #if DISPLAY_TYPE_LCDC |
| /* Turning off LCDC */ |
| if(!machine_is_ffa()) { |
| lcdc_shutdown(); |
| } |
| #endif |
| } |
| |
| void platform_uninit(void) |
| { |
| #if DISPLAY_SPLASH_SCREEN |
| display_shutdown(); |
| #endif |
| |
| platform_uninit_timer(); |
| } |
| |
| /* Initialize DGT timer */ |
| void platform_init_timer(void) |
| { |
| uint32_t val = 0; |
| |
| /* Disable timer */ |
| writel(0, DGT_ENABLE); |
| |
| /* Check for the hardware revision */ |
| val = readl(HW_REVISION_NUMBER); |
| val = (val >> 28) & 0x0F; |
| if (val >= 1) |
| writel(1, DGT_CLK_CTL); |
| |
| #if _EMMC_BOOT |
| ticks_per_sec = 19200000; /* Uses TCXO (19.2 MHz) */ |
| #else |
| ticks_per_sec = 6144000; /* Uses LPXO/4 (24.576 MHz / 4) */ |
| #endif |
| } |
| |
| /* Returns platform specific ticks per sec */ |
| uint32_t platform_tick_rate(void) |
| { |
| return ticks_per_sec; |
| } |