766 lines
30 KiB
C
766 lines
30 KiB
C
/*
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* Texas Instruments TNETV107X SoC Support
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*
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* Copyright (C) 2010 Texas Instruments
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation version 2.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of 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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#include <linux/gpio.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <linux/err.h>
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#include <linux/platform_device.h>
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#include <asm/mach/map.h>
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#include <mach/common.h>
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#include <mach/time.h>
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#include <mach/cputype.h>
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#include <mach/psc.h>
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#include <mach/cp_intc.h>
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#include <mach/irqs.h>
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#include <mach/hardware.h>
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#include <mach/tnetv107x.h>
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#include <mach/gpio-davinci.h>
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#include "clock.h"
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#include "mux.h"
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/* Base addresses for on-chip devices */
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#define TNETV107X_INTC_BASE 0x03000000
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#define TNETV107X_TIMER0_BASE 0x08086500
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#define TNETV107X_TIMER1_BASE 0x08086600
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#define TNETV107X_CHIP_CFG_BASE 0x08087000
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#define TNETV107X_GPIO_BASE 0x08088000
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#define TNETV107X_CLOCK_CONTROL_BASE 0x0808a000
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#define TNETV107X_PSC_BASE 0x0808b000
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/* Reference clock frequencies */
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#define OSC_FREQ_ONCHIP (24000 * 1000)
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#define OSC_FREQ_OFFCHIP_SYS (25000 * 1000)
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#define OSC_FREQ_OFFCHIP_ETH (25000 * 1000)
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#define OSC_FREQ_OFFCHIP_TDM (19200 * 1000)
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#define N_PLLS 3
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/* Clock Control Registers */
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struct clk_ctrl_regs {
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u32 pll_bypass;
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u32 _reserved0;
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u32 gem_lrst;
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u32 _reserved1;
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u32 pll_unlock_stat;
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u32 sys_unlock;
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u32 eth_unlock;
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u32 tdm_unlock;
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};
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/* SSPLL Registers */
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struct sspll_regs {
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u32 modes;
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u32 post_div;
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u32 pre_div;
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u32 mult_factor;
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u32 divider_range;
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u32 bw_divider;
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u32 spr_amount;
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u32 spr_rate_div;
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u32 diag;
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};
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/* Watchdog Timer Registers */
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struct wdt_regs {
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u32 kick_lock;
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u32 kick;
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u32 change_lock;
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u32 change ;
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u32 disable_lock;
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u32 disable;
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u32 prescale_lock;
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u32 prescale;
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};
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static struct clk_ctrl_regs __iomem *clk_ctrl_regs;
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static struct sspll_regs __iomem *sspll_regs[N_PLLS];
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static int sspll_regs_base[N_PLLS] = { 0x40, 0x80, 0xc0 };
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/* PLL bypass bit shifts in clk_ctrl_regs->pll_bypass register */
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static u32 bypass_mask[N_PLLS] = { BIT(0), BIT(2), BIT(1) };
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/* offchip (external) reference clock frequencies */
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static u32 pll_ext_freq[] = {
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OSC_FREQ_OFFCHIP_SYS,
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OSC_FREQ_OFFCHIP_TDM,
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OSC_FREQ_OFFCHIP_ETH
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};
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/* PSC control registers */
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static u32 psc_regs[] = { TNETV107X_PSC_BASE };
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/* Host map for interrupt controller */
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static u32 intc_host_map[] = { 0x01010000, 0x01010101, -1 };
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static unsigned long clk_sspll_recalc(struct clk *clk);
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/* Level 1 - the PLLs */
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#define define_pll_clk(cname, pll, divmask, base) \
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static struct pll_data pll_##cname##_data = { \
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.num = pll, \
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.div_ratio_mask = divmask, \
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.phys_base = base + \
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TNETV107X_CLOCK_CONTROL_BASE, \
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}; \
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static struct clk pll_##cname##_clk = { \
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.name = "pll_" #cname "_clk", \
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.pll_data = &pll_##cname##_data, \
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.flags = CLK_PLL, \
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.recalc = clk_sspll_recalc, \
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}
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define_pll_clk(sys, 0, 0x1ff, 0x600);
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define_pll_clk(tdm, 1, 0x0ff, 0x200);
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define_pll_clk(eth, 2, 0x0ff, 0x400);
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/* Level 2 - divided outputs from the PLLs */
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#define define_pll_div_clk(pll, cname, div) \
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static struct clk pll##_##cname##_clk = { \
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.name = #pll "_" #cname "_clk", \
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.parent = &pll_##pll##_clk, \
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.flags = CLK_PLL, \
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.div_reg = PLLDIV##div, \
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.set_rate = davinci_set_sysclk_rate, \
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}
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define_pll_div_clk(sys, arm1176, 1);
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define_pll_div_clk(sys, dsp, 2);
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define_pll_div_clk(sys, ddr, 3);
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define_pll_div_clk(sys, full, 4);
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define_pll_div_clk(sys, lcd, 5);
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define_pll_div_clk(sys, vlynq_ref, 6);
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define_pll_div_clk(sys, tsc, 7);
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define_pll_div_clk(sys, half, 8);
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define_pll_div_clk(eth, 5mhz, 1);
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define_pll_div_clk(eth, 50mhz, 2);
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define_pll_div_clk(eth, 125mhz, 3);
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define_pll_div_clk(eth, 250mhz, 4);
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define_pll_div_clk(eth, 25mhz, 5);
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define_pll_div_clk(tdm, 0, 1);
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define_pll_div_clk(tdm, extra, 2);
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define_pll_div_clk(tdm, 1, 3);
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/* Level 3 - LPSC gated clocks */
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#define __lpsc_clk(cname, _parent, mod, flg) \
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static struct clk clk_##cname = { \
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.name = #cname, \
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.parent = &_parent, \
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.lpsc = TNETV107X_LPSC_##mod,\
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.flags = flg, \
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}
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#define lpsc_clk_enabled(cname, parent, mod) \
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__lpsc_clk(cname, parent, mod, ALWAYS_ENABLED)
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#define lpsc_clk(cname, parent, mod) \
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__lpsc_clk(cname, parent, mod, 0)
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lpsc_clk_enabled(arm, sys_arm1176_clk, ARM);
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lpsc_clk_enabled(gem, sys_dsp_clk, GEM);
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lpsc_clk_enabled(ddr2_phy, sys_ddr_clk, DDR2_PHY);
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lpsc_clk_enabled(tpcc, sys_full_clk, TPCC);
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lpsc_clk_enabled(tptc0, sys_full_clk, TPTC0);
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lpsc_clk_enabled(tptc1, sys_full_clk, TPTC1);
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lpsc_clk_enabled(ram, sys_full_clk, RAM);
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lpsc_clk_enabled(aemif, sys_full_clk, AEMIF);
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lpsc_clk_enabled(chipcfg, sys_half_clk, CHIP_CFG);
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lpsc_clk_enabled(rom, sys_half_clk, ROM);
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lpsc_clk_enabled(secctl, sys_half_clk, SECCTL);
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lpsc_clk_enabled(keymgr, sys_half_clk, KEYMGR);
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lpsc_clk_enabled(gpio, sys_half_clk, GPIO);
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lpsc_clk_enabled(debugss, sys_half_clk, DEBUGSS);
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lpsc_clk_enabled(system, sys_half_clk, SYSTEM);
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lpsc_clk_enabled(ddr2_vrst, sys_ddr_clk, DDR2_EMIF1_VRST);
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lpsc_clk_enabled(ddr2_vctl_rst, sys_ddr_clk, DDR2_EMIF2_VCTL_RST);
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lpsc_clk_enabled(wdt_arm, sys_half_clk, WDT_ARM);
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lpsc_clk_enabled(timer1, sys_half_clk, TIMER1);
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lpsc_clk(mbx_lite, sys_arm1176_clk, MBX_LITE);
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lpsc_clk(ethss, eth_125mhz_clk, ETHSS);
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lpsc_clk(tsc, sys_tsc_clk, TSC);
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lpsc_clk(uart0, sys_half_clk, UART0);
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lpsc_clk(uart1, sys_half_clk, UART1);
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lpsc_clk(uart2, sys_half_clk, UART2);
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lpsc_clk(pktsec, sys_half_clk, PKTSEC);
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lpsc_clk(keypad, sys_half_clk, KEYPAD);
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lpsc_clk(mdio, sys_half_clk, MDIO);
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lpsc_clk(sdio0, sys_half_clk, SDIO0);
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lpsc_clk(sdio1, sys_half_clk, SDIO1);
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lpsc_clk(timer0, sys_half_clk, TIMER0);
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lpsc_clk(wdt_dsp, sys_half_clk, WDT_DSP);
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lpsc_clk(ssp, sys_half_clk, SSP);
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lpsc_clk(tdm0, tdm_0_clk, TDM0);
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lpsc_clk(tdm1, tdm_1_clk, TDM1);
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lpsc_clk(vlynq, sys_vlynq_ref_clk, VLYNQ);
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lpsc_clk(mcdma, sys_half_clk, MCDMA);
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lpsc_clk(usbss, sys_half_clk, USBSS);
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lpsc_clk(usb0, clk_usbss, USB0);
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lpsc_clk(usb1, clk_usbss, USB1);
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lpsc_clk(ethss_rgmii, eth_250mhz_clk, ETHSS_RGMII);
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lpsc_clk(imcop, sys_dsp_clk, IMCOP);
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lpsc_clk(spare, sys_half_clk, SPARE);
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/* LCD needs a full power down to clear controller state */
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__lpsc_clk(lcd, sys_lcd_clk, LCD, PSC_SWRSTDISABLE);
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/* Level 4 - leaf clocks for LPSC modules shared across drivers */
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static struct clk clk_rng = { .name = "rng", .parent = &clk_pktsec };
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static struct clk clk_pka = { .name = "pka", .parent = &clk_pktsec };
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static struct clk_lookup clks[] = {
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CLK(NULL, "pll_sys_clk", &pll_sys_clk),
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CLK(NULL, "pll_eth_clk", &pll_eth_clk),
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CLK(NULL, "pll_tdm_clk", &pll_tdm_clk),
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CLK(NULL, "sys_arm1176_clk", &sys_arm1176_clk),
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CLK(NULL, "sys_dsp_clk", &sys_dsp_clk),
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CLK(NULL, "sys_ddr_clk", &sys_ddr_clk),
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CLK(NULL, "sys_full_clk", &sys_full_clk),
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CLK(NULL, "sys_lcd_clk", &sys_lcd_clk),
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CLK(NULL, "sys_vlynq_ref_clk", &sys_vlynq_ref_clk),
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CLK(NULL, "sys_tsc_clk", &sys_tsc_clk),
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CLK(NULL, "sys_half_clk", &sys_half_clk),
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CLK(NULL, "eth_5mhz_clk", ð_5mhz_clk),
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CLK(NULL, "eth_50mhz_clk", ð_50mhz_clk),
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CLK(NULL, "eth_125mhz_clk", ð_125mhz_clk),
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CLK(NULL, "eth_250mhz_clk", ð_250mhz_clk),
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CLK(NULL, "eth_25mhz_clk", ð_25mhz_clk),
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CLK(NULL, "tdm_0_clk", &tdm_0_clk),
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CLK(NULL, "tdm_extra_clk", &tdm_extra_clk),
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CLK(NULL, "tdm_1_clk", &tdm_1_clk),
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CLK(NULL, "clk_arm", &clk_arm),
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CLK(NULL, "clk_gem", &clk_gem),
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CLK(NULL, "clk_ddr2_phy", &clk_ddr2_phy),
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CLK(NULL, "clk_tpcc", &clk_tpcc),
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CLK(NULL, "clk_tptc0", &clk_tptc0),
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CLK(NULL, "clk_tptc1", &clk_tptc1),
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CLK(NULL, "clk_ram", &clk_ram),
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CLK(NULL, "clk_mbx_lite", &clk_mbx_lite),
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CLK("tnetv107x-fb.0", NULL, &clk_lcd),
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CLK(NULL, "clk_ethss", &clk_ethss),
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CLK(NULL, "aemif", &clk_aemif),
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CLK(NULL, "clk_chipcfg", &clk_chipcfg),
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CLK("tnetv107x-ts.0", NULL, &clk_tsc),
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CLK(NULL, "clk_rom", &clk_rom),
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CLK(NULL, "uart2", &clk_uart2),
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CLK(NULL, "clk_pktsec", &clk_pktsec),
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CLK("tnetv107x-rng.0", NULL, &clk_rng),
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CLK("tnetv107x-pka.0", NULL, &clk_pka),
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CLK(NULL, "clk_secctl", &clk_secctl),
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CLK(NULL, "clk_keymgr", &clk_keymgr),
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CLK("tnetv107x-keypad.0", NULL, &clk_keypad),
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CLK(NULL, "clk_gpio", &clk_gpio),
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CLK(NULL, "clk_mdio", &clk_mdio),
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CLK("davinci_mmc.0", NULL, &clk_sdio0),
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CLK(NULL, "uart0", &clk_uart0),
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CLK(NULL, "uart1", &clk_uart1),
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CLK(NULL, "timer0", &clk_timer0),
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CLK(NULL, "timer1", &clk_timer1),
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CLK("tnetv107x_wdt.0", NULL, &clk_wdt_arm),
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CLK(NULL, "clk_wdt_dsp", &clk_wdt_dsp),
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CLK("ti-ssp", NULL, &clk_ssp),
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CLK(NULL, "clk_tdm0", &clk_tdm0),
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CLK(NULL, "clk_vlynq", &clk_vlynq),
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CLK(NULL, "clk_mcdma", &clk_mcdma),
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CLK(NULL, "clk_usbss", &clk_usbss),
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CLK(NULL, "clk_usb0", &clk_usb0),
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CLK(NULL, "clk_usb1", &clk_usb1),
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CLK(NULL, "clk_tdm1", &clk_tdm1),
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CLK(NULL, "clk_debugss", &clk_debugss),
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CLK(NULL, "clk_ethss_rgmii", &clk_ethss_rgmii),
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CLK(NULL, "clk_system", &clk_system),
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CLK(NULL, "clk_imcop", &clk_imcop),
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CLK(NULL, "clk_spare", &clk_spare),
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CLK("davinci_mmc.1", NULL, &clk_sdio1),
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CLK(NULL, "clk_ddr2_vrst", &clk_ddr2_vrst),
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CLK(NULL, "clk_ddr2_vctl_rst", &clk_ddr2_vctl_rst),
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CLK(NULL, NULL, NULL),
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};
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static const struct mux_config pins[] = {
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#ifdef CONFIG_DAVINCI_MUX
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MUX_CFG(TNETV107X, ASR_A00, 0, 0, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO32, 0, 0, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A01, 0, 5, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO33, 0, 5, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A02, 0, 10, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO34, 0, 10, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A03, 0, 15, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO35, 0, 15, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A04, 0, 20, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO36, 0, 20, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A05, 0, 25, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO37, 0, 25, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A06, 1, 0, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO38, 1, 0, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A07, 1, 5, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO39, 1, 5, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A08, 1, 10, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO40, 1, 10, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A09, 1, 15, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO41, 1, 15, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A10, 1, 20, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO42, 1, 20, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A11, 1, 25, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, BOOT_STRP_0, 1, 25, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A12, 2, 0, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, BOOT_STRP_1, 2, 0, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A13, 2, 5, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO43, 2, 5, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A14, 2, 10, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO44, 2, 10, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A15, 2, 15, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO45, 2, 15, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A16, 2, 20, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO46, 2, 20, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A17, 2, 25, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO47, 2, 25, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, ASR_A18, 3, 0, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO48, 3, 0, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, SDIO1_DATA3_0, 3, 0, 0x1f, 0x1c, false)
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MUX_CFG(TNETV107X, ASR_A19, 3, 5, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO49, 3, 5, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, SDIO1_DATA2_0, 3, 5, 0x1f, 0x1c, false)
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MUX_CFG(TNETV107X, ASR_A20, 3, 10, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO50, 3, 10, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, SDIO1_DATA1_0, 3, 10, 0x1f, 0x1c, false)
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MUX_CFG(TNETV107X, ASR_A21, 3, 15, 0x1f, 0x00, false)
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MUX_CFG(TNETV107X, GPIO51, 3, 15, 0x1f, 0x04, false)
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MUX_CFG(TNETV107X, SDIO1_DATA0_0, 3, 15, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_A22, 3, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO52, 3, 20, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, SDIO1_CMD_0, 3, 20, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_A23, 3, 25, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO53, 3, 25, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, SDIO1_CLK_0, 3, 25, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_BA_1, 4, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO54, 4, 0, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, SYS_PLL_CLK, 4, 0, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_CS0, 4, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, ASR_CS1, 4, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, ASR_CS2, 4, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, TDM_PLL_CLK, 4, 15, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_CS3, 4, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, ETH_PHY_CLK, 4, 20, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, ASR_D00, 4, 25, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO55, 4, 25, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_D01, 5, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO56, 5, 0, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_D02, 5, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO57, 5, 5, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_D03, 5, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO58, 5, 10, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_D04, 5, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO59_0, 5, 15, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_D05, 5, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO60_0, 5, 20, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_D06, 5, 25, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO61_0, 5, 25, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_D07, 6, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO62_0, 6, 0, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_D08, 6, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO63_0, 6, 5, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_D09, 6, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO64_0, 6, 10, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_D10, 6, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, SDIO1_DATA3_1, 6, 15, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_D11, 6, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, SDIO1_DATA2_1, 6, 20, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_D12, 6, 25, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, SDIO1_DATA1_1, 6, 25, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_D13, 7, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, SDIO1_DATA0_1, 7, 0, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_D14, 7, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, SDIO1_CMD_1, 7, 5, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_D15, 7, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, SDIO1_CLK_1, 7, 10, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_OE, 7, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, BOOT_STRP_2, 7, 15, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, ASR_RNW, 7, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO29_0, 7, 20, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, ASR_WAIT, 7, 25, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO30_0, 7, 25, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, ASR_WE, 8, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, BOOT_STRP_3, 8, 0, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, ASR_WE_DQM0, 8, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO31, 8, 5, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, LCD_PD17_0, 8, 5, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, ASR_WE_DQM1, 8, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, ASR_BA0_0, 8, 10, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, VLYNQ_CLK, 9, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO14, 9, 0, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, LCD_PD19_0, 9, 0, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, VLYNQ_RXD0, 9, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO15, 9, 5, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, LCD_PD20_0, 9, 5, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, VLYNQ_RXD1, 9, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO16, 9, 10, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, LCD_PD21_0, 9, 10, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, VLYNQ_TXD0, 9, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO17, 9, 15, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, LCD_PD22_0, 9, 15, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, VLYNQ_TXD1, 9, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO18, 9, 20, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, LCD_PD23_0, 9, 20, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, SDIO0_CLK, 10, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO19, 10, 0, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, SDIO0_CMD, 10, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO20, 10, 5, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, SDIO0_DATA0, 10, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO21, 10, 10, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, SDIO0_DATA1, 10, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO22, 10, 15, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, SDIO0_DATA2, 10, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO23, 10, 20, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, SDIO0_DATA3, 10, 25, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO24, 10, 25, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, EMU0, 11, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, EMU1, 11, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, RTCK, 12, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, TRST_N, 12, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, TCK, 12, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, TDI, 12, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, TDO, 12, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, TMS, 12, 25, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, TDM1_CLK, 13, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, TDM1_RX, 13, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, TDM1_TX, 13, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, TDM1_FS, 13, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_R0, 14, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_R1, 14, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_R2, 14, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_R3, 14, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_R4, 14, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_R5, 14, 25, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_R6, 15, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO12, 15, 0, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_R7, 15, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO10, 15, 5, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_C0, 15, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_C1, 15, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_C2, 15, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_C3, 15, 25, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_C4, 16, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_C5, 16, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_C6, 16, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO13, 16, 10, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, TEST_CLK_IN, 16, 10, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, KEYPAD_C7, 16, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO11, 16, 15, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, SSP0_0, 17, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, SCC_DCLK, 17, 0, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, LCD_PD20_1, 17, 0, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, SSP0_1, 17, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, SCC_CS_N, 17, 5, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, LCD_PD21_1, 17, 5, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, SSP0_2, 17, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, SCC_D, 17, 10, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, LCD_PD22_1, 17, 10, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, SSP0_3, 17, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, SCC_RESETN, 17, 15, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, LCD_PD23_1, 17, 15, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, SSP1_0, 18, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO25, 18, 0, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, UART2_CTS, 18, 0, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, SSP1_1, 18, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO26, 18, 5, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, UART2_RD, 18, 5, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, SSP1_2, 18, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO27, 18, 10, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, UART2_RTS, 18, 10, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, SSP1_3, 18, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO28, 18, 15, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, UART2_TD, 18, 15, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, UART0_CTS, 19, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, UART0_RD, 19, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, UART0_RTS, 19, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, UART0_TD, 19, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, UART1_RD, 19, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, UART1_TD, 19, 25, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_AC_NCS, 20, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_HSYNC_RNW, 20, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_VSYNC_A0, 20, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_MCLK, 20, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD16_0, 20, 15, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, LCD_PCLK_E, 20, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD00, 20, 25, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD01, 21, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD02, 21, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD03, 21, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD04, 21, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD05, 21, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD06, 21, 25, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD07, 22, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD08, 22, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO59_1, 22, 5, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, LCD_PD09, 22, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO60_1, 22, 10, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, LCD_PD10, 22, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, ASR_BA0_1, 22, 15, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, GPIO61_1, 22, 15, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, LCD_PD11, 22, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO62_1, 22, 20, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, LCD_PD12, 22, 25, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO63_1, 22, 25, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, LCD_PD13, 23, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO64_1, 23, 0, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, LCD_PD14, 23, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO29_1, 23, 5, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, LCD_PD15, 23, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO30_1, 23, 10, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, EINT0, 24, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO08, 24, 0, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, EINT1, 24, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, GPIO09, 24, 5, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, GPIO00, 24, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD20_2, 24, 10, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, TDM_CLK_IN_2, 24, 10, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, GPIO01, 24, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD21_2, 24, 15, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, 24M_CLK_OUT_1, 24, 15, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, GPIO02, 24, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD22_2, 24, 20, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, GPIO03, 24, 25, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD23_2, 24, 25, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, GPIO04, 25, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD16_1, 25, 0, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, USB0_RXERR, 25, 0, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, GPIO05, 25, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD17_1, 25, 5, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, TDM_CLK_IN_1, 25, 5, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, GPIO06, 25, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD18, 25, 10, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, 24M_CLK_OUT_2, 25, 10, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, GPIO07, 25, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, LCD_PD19_1, 25, 15, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, USB1_RXERR, 25, 15, 0x1f, 0x0c, false)
|
|
MUX_CFG(TNETV107X, ETH_PLL_CLK, 25, 15, 0x1f, 0x1c, false)
|
|
MUX_CFG(TNETV107X, MDIO, 26, 0, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, MDC, 26, 5, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, AIC_MUTE_STAT_N, 26, 10, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, TDM0_CLK, 26, 10, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, AIC_HNS_EN_N, 26, 15, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, TDM0_FS, 26, 15, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, AIC_HDS_EN_STAT_N, 26, 20, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, TDM0_TX, 26, 20, 0x1f, 0x04, false)
|
|
MUX_CFG(TNETV107X, AIC_HNF_EN_STAT_N, 26, 25, 0x1f, 0x00, false)
|
|
MUX_CFG(TNETV107X, TDM0_RX, 26, 25, 0x1f, 0x04, false)
|
|
#endif
|
|
};
|
|
|
|
/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
|
|
static u8 irq_prios[TNETV107X_N_CP_INTC_IRQ] = {
|
|
/* fill in default priority 7 */
|
|
[0 ... (TNETV107X_N_CP_INTC_IRQ - 1)] = 7,
|
|
/* now override as needed, e.g. [xxx] = 5 */
|
|
};
|
|
|
|
/* Contents of JTAG ID register used to identify exact cpu type */
|
|
static struct davinci_id ids[] = {
|
|
{
|
|
.variant = 0x0,
|
|
.part_no = 0xb8a1,
|
|
.manufacturer = 0x017,
|
|
.cpu_id = DAVINCI_CPU_ID_TNETV107X,
|
|
.name = "tnetv107x rev 1.0",
|
|
},
|
|
{
|
|
.variant = 0x1,
|
|
.part_no = 0xb8a1,
|
|
.manufacturer = 0x017,
|
|
.cpu_id = DAVINCI_CPU_ID_TNETV107X,
|
|
.name = "tnetv107x rev 1.1/1.2",
|
|
},
|
|
};
|
|
|
|
static struct davinci_timer_instance timer_instance[2] = {
|
|
{
|
|
.base = TNETV107X_TIMER0_BASE,
|
|
.bottom_irq = IRQ_TNETV107X_TIMER_0_TINT12,
|
|
.top_irq = IRQ_TNETV107X_TIMER_0_TINT34,
|
|
},
|
|
{
|
|
.base = TNETV107X_TIMER1_BASE,
|
|
.bottom_irq = IRQ_TNETV107X_TIMER_1_TINT12,
|
|
.top_irq = IRQ_TNETV107X_TIMER_1_TINT34,
|
|
},
|
|
};
|
|
|
|
static struct davinci_timer_info timer_info = {
|
|
.timers = timer_instance,
|
|
.clockevent_id = T0_BOT,
|
|
.clocksource_id = T0_TOP,
|
|
};
|
|
|
|
/*
|
|
* TNETV107X platforms do not use the static mappings from Davinci
|
|
* IO_PHYS/IO_VIRT. This SOC's interesting MMRs are at different addresses,
|
|
* and changing IO_PHYS would break away from existing Davinci SOCs.
|
|
*
|
|
* The primary impact of the current model is that IO_ADDRESS() is not to be
|
|
* used to map registers on TNETV107X.
|
|
*
|
|
* 1. The first chunk is for INTC: This needs to be mapped in via iotable
|
|
* because ioremap() does not seem to be operational at the time when
|
|
* irqs are initialized. Without this, consistent dma init bombs.
|
|
*
|
|
* 2. The second chunk maps in register areas that need to be populated into
|
|
* davinci_soc_info. Note that alignment restrictions come into play if
|
|
* low-level debug is enabled (see note in <mach/tnetv107x.h>).
|
|
*/
|
|
static struct map_desc io_desc[] = {
|
|
{ /* INTC */
|
|
.virtual = IO_VIRT,
|
|
.pfn = __phys_to_pfn(TNETV107X_INTC_BASE),
|
|
.length = SZ_16K,
|
|
.type = MT_DEVICE
|
|
},
|
|
{ /* Most of the rest */
|
|
.virtual = TNETV107X_IO_VIRT,
|
|
.pfn = __phys_to_pfn(TNETV107X_IO_BASE),
|
|
.length = IO_SIZE - SZ_1M,
|
|
.type = MT_DEVICE
|
|
},
|
|
};
|
|
|
|
static unsigned long clk_sspll_recalc(struct clk *clk)
|
|
{
|
|
int pll;
|
|
unsigned long mult = 0, prediv = 1, postdiv = 1;
|
|
unsigned long ref = OSC_FREQ_ONCHIP, ret;
|
|
u32 tmp;
|
|
|
|
if (WARN_ON(!clk->pll_data))
|
|
return clk->rate;
|
|
|
|
if (!clk_ctrl_regs) {
|
|
void __iomem *tmp;
|
|
|
|
tmp = ioremap(TNETV107X_CLOCK_CONTROL_BASE, SZ_4K);
|
|
|
|
if (WARN(!tmp, "failed ioremap for clock control regs\n"))
|
|
return clk->parent ? clk->parent->rate : 0;
|
|
|
|
for (pll = 0; pll < N_PLLS; pll++)
|
|
sspll_regs[pll] = tmp + sspll_regs_base[pll];
|
|
|
|
clk_ctrl_regs = tmp;
|
|
}
|
|
|
|
pll = clk->pll_data->num;
|
|
|
|
tmp = __raw_readl(&clk_ctrl_regs->pll_bypass);
|
|
if (!(tmp & bypass_mask[pll])) {
|
|
mult = __raw_readl(&sspll_regs[pll]->mult_factor);
|
|
prediv = __raw_readl(&sspll_regs[pll]->pre_div) + 1;
|
|
postdiv = __raw_readl(&sspll_regs[pll]->post_div) + 1;
|
|
}
|
|
|
|
tmp = __raw_readl(clk->pll_data->base + PLLCTL);
|
|
if (tmp & PLLCTL_CLKMODE)
|
|
ref = pll_ext_freq[pll];
|
|
|
|
clk->pll_data->input_rate = ref;
|
|
|
|
tmp = __raw_readl(clk->pll_data->base + PLLCTL);
|
|
if (!(tmp & PLLCTL_PLLEN))
|
|
return ref;
|
|
|
|
ret = ref;
|
|
if (mult)
|
|
ret += ((unsigned long long)ref * mult) / 256;
|
|
|
|
ret /= (prediv * postdiv);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void tnetv107x_watchdog_reset(struct platform_device *pdev)
|
|
{
|
|
struct wdt_regs __iomem *regs;
|
|
|
|
regs = ioremap(pdev->resource[0].start, SZ_4K);
|
|
|
|
/* disable watchdog */
|
|
__raw_writel(0x7777, ®s->disable_lock);
|
|
__raw_writel(0xcccc, ®s->disable_lock);
|
|
__raw_writel(0xdddd, ®s->disable_lock);
|
|
__raw_writel(0, ®s->disable);
|
|
|
|
/* program prescale */
|
|
__raw_writel(0x5a5a, ®s->prescale_lock);
|
|
__raw_writel(0xa5a5, ®s->prescale_lock);
|
|
__raw_writel(0, ®s->prescale);
|
|
|
|
/* program countdown */
|
|
__raw_writel(0x6666, ®s->change_lock);
|
|
__raw_writel(0xbbbb, ®s->change_lock);
|
|
__raw_writel(1, ®s->change);
|
|
|
|
/* enable watchdog */
|
|
__raw_writel(0x7777, ®s->disable_lock);
|
|
__raw_writel(0xcccc, ®s->disable_lock);
|
|
__raw_writel(0xdddd, ®s->disable_lock);
|
|
__raw_writel(1, ®s->disable);
|
|
|
|
/* kick */
|
|
__raw_writel(0x5555, ®s->kick_lock);
|
|
__raw_writel(0xaaaa, ®s->kick_lock);
|
|
__raw_writel(1, ®s->kick);
|
|
}
|
|
|
|
void tnetv107x_restart(char mode, const char *cmd)
|
|
{
|
|
tnetv107x_watchdog_reset(&tnetv107x_wdt_device);
|
|
}
|
|
|
|
static struct davinci_soc_info tnetv107x_soc_info = {
|
|
.io_desc = io_desc,
|
|
.io_desc_num = ARRAY_SIZE(io_desc),
|
|
.ids = ids,
|
|
.ids_num = ARRAY_SIZE(ids),
|
|
.jtag_id_reg = TNETV107X_CHIP_CFG_BASE + 0x018,
|
|
.cpu_clks = clks,
|
|
.psc_bases = psc_regs,
|
|
.psc_bases_num = ARRAY_SIZE(psc_regs),
|
|
.pinmux_base = TNETV107X_CHIP_CFG_BASE + 0x150,
|
|
.pinmux_pins = pins,
|
|
.pinmux_pins_num = ARRAY_SIZE(pins),
|
|
.intc_type = DAVINCI_INTC_TYPE_CP_INTC,
|
|
.intc_base = TNETV107X_INTC_BASE,
|
|
.intc_irq_prios = irq_prios,
|
|
.intc_irq_num = TNETV107X_N_CP_INTC_IRQ,
|
|
.intc_host_map = intc_host_map,
|
|
.gpio_base = TNETV107X_GPIO_BASE,
|
|
.gpio_type = GPIO_TYPE_TNETV107X,
|
|
.gpio_num = TNETV107X_N_GPIO,
|
|
.timer_info = &timer_info,
|
|
.serial_dev = &tnetv107x_serial_device,
|
|
};
|
|
|
|
void __init tnetv107x_init(void)
|
|
{
|
|
davinci_common_init(&tnetv107x_soc_info);
|
|
}
|