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      1 /* SPDX-License-Identifier: GPL-2.0+ */
      2 /*
      3  * UniPhier SG (SoC Glue) block registers
      4  *
      5  * Copyright (C) 2011-2015 Copyright (C) 2011-2015 Panasonic Corporation
      6  * Copyright (C) 2016-2017 Socionext Inc.
      7  *   Author: Masahiro Yamada <yamada.masahiro (at) socionext.com>
      8  */
      9 
     10 #ifndef UNIPHIER_SG_REGS_H
     11 #define UNIPHIER_SG_REGS_H
     12 
     13 /* Base Address */
     14 #define SG_CTRL_BASE			0x5f800000
     15 #define SG_DBG_BASE			0x5f900000
     16 
     17 /* Revision */
     18 #define SG_REVISION			(SG_CTRL_BASE | 0x0000)
     19 
     20 /* Memory Configuration */
     21 #define SG_MEMCONF			(SG_CTRL_BASE | 0x0400)
     22 
     23 #define SG_MEMCONF_CH0_SZ_MASK		((0x1 << 10) | (0x03 << 0))
     24 #define SG_MEMCONF_CH0_SZ_64M		((0x0 << 10) | (0x01 << 0))
     25 #define SG_MEMCONF_CH0_SZ_128M		((0x0 << 10) | (0x02 << 0))
     26 #define SG_MEMCONF_CH0_SZ_256M		((0x0 << 10) | (0x03 << 0))
     27 #define SG_MEMCONF_CH0_SZ_512M		((0x1 << 10) | (0x00 << 0))
     28 #define SG_MEMCONF_CH0_SZ_1G		((0x1 << 10) | (0x01 << 0))
     29 #define SG_MEMCONF_CH0_NUM_MASK		(0x1 << 8)
     30 #define SG_MEMCONF_CH0_NUM_1		(0x1 << 8)
     31 #define SG_MEMCONF_CH0_NUM_2		(0x0 << 8)
     32 
     33 #define SG_MEMCONF_CH1_SZ_MASK		((0x1 << 11) | (0x03 << 2))
     34 #define SG_MEMCONF_CH1_SZ_64M		((0x0 << 11) | (0x01 << 2))
     35 #define SG_MEMCONF_CH1_SZ_128M		((0x0 << 11) | (0x02 << 2))
     36 #define SG_MEMCONF_CH1_SZ_256M		((0x0 << 11) | (0x03 << 2))
     37 #define SG_MEMCONF_CH1_SZ_512M		((0x1 << 11) | (0x00 << 2))
     38 #define SG_MEMCONF_CH1_SZ_1G		((0x1 << 11) | (0x01 << 2))
     39 #define SG_MEMCONF_CH1_NUM_MASK		(0x1 << 9)
     40 #define SG_MEMCONF_CH1_NUM_1		(0x1 << 9)
     41 #define SG_MEMCONF_CH1_NUM_2		(0x0 << 9)
     42 
     43 #define SG_MEMCONF_CH2_SZ_MASK		((0x1 << 26) | (0x03 << 16))
     44 #define SG_MEMCONF_CH2_SZ_64M		((0x0 << 26) | (0x01 << 16))
     45 #define SG_MEMCONF_CH2_SZ_128M		((0x0 << 26) | (0x02 << 16))
     46 #define SG_MEMCONF_CH2_SZ_256M		((0x0 << 26) | (0x03 << 16))
     47 #define SG_MEMCONF_CH2_SZ_512M		((0x1 << 26) | (0x00 << 16))
     48 #define SG_MEMCONF_CH2_SZ_1G		((0x1 << 26) | (0x01 << 16))
     49 #define SG_MEMCONF_CH2_NUM_MASK		(0x1 << 24)
     50 #define SG_MEMCONF_CH2_NUM_1		(0x1 << 24)
     51 #define SG_MEMCONF_CH2_NUM_2		(0x0 << 24)
     52 /* PH1-LD6b, ProXstream2, PH1-LD20 only */
     53 #define SG_MEMCONF_CH2_DISABLE		(0x1 << 21)
     54 
     55 #define SG_MEMCONF_SPARSEMEM		(0x1 << 4)
     56 
     57 #define SG_USBPHYCTRL			(SG_CTRL_BASE | 0x500)
     58 #define SG_ETPHYPSHUT			(SG_CTRL_BASE | 0x554)
     59 #define SG_ETPHYCNT			(SG_CTRL_BASE | 0x550)
     60 
     61 /* Pin Control */
     62 #define SG_PINCTRL_BASE			(SG_CTRL_BASE | 0x1000)
     63 
     64 /* PH1-Pro4, PH1-Pro5 */
     65 #define SG_LOADPINCTRL			(SG_CTRL_BASE | 0x1700)
     66 
     67 /* Input Enable */
     68 #define SG_IECTRL			(SG_CTRL_BASE | 0x1d00)
     69 
     70 /* Pin Monitor */
     71 #define SG_PINMON0			(SG_DBG_BASE | 0x0100)
     72 #define SG_PINMON2			(SG_DBG_BASE | 0x0108)
     73 
     74 #define SG_PINMON0_CLK_MODE_UPLLSRC_MASK	(0x3 << 19)
     75 #define SG_PINMON0_CLK_MODE_UPLLSRC_DEFAULT	(0x0 << 19)
     76 #define SG_PINMON0_CLK_MODE_UPLLSRC_VPLL27A	(0x2 << 19)
     77 #define SG_PINMON0_CLK_MODE_UPLLSRC_VPLL27B	(0x3 << 19)
     78 
     79 #define SG_PINMON0_CLK_MODE_AXOSEL_MASK		(0x3 << 16)
     80 #define SG_PINMON0_CLK_MODE_AXOSEL_24576KHZ	(0x0 << 16)
     81 #define SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ	(0x1 << 16)
     82 #define SG_PINMON0_CLK_MODE_AXOSEL_6144KHZ	(0x2 << 16)
     83 #define SG_PINMON0_CLK_MODE_AXOSEL_6250KHZ	(0x3 << 16)
     84 
     85 #define SG_PINMON0_CLK_MODE_AXOSEL_DEFAULT	(0x0 << 16)
     86 #define SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_U	(0x1 << 16)
     87 #define SG_PINMON0_CLK_MODE_AXOSEL_20480KHZ	(0x2 << 16)
     88 #define SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_A	(0x3 << 16)
     89 
     90 #ifdef __ASSEMBLY__
     91 
     92 	.macro	sg_set_pinsel, pin, muxval, mux_bits, reg_stride, ra, rd
     93 	ldr	\ra, =(SG_PINCTRL_BASE + \pin * \mux_bits / 32 * \reg_stride)
     94 	ldr	\rd, [\ra]
     95 	and	\rd, \rd, #~(((1 << \mux_bits) - 1) << (\pin * \mux_bits % 32))
     96 	orr	\rd, \rd, #(\muxval << (\pin * \mux_bits % 32))
     97 	str	\rd, [\ra]
     98 	.endm
     99 
    100 #else
    101 
    102 #include <linux/types.h>
    103 #include <linux/io.h>
    104 
    105 static inline void sg_set_pinsel(unsigned pin, unsigned muxval,
    106 				 unsigned mux_bits, unsigned reg_stride)
    107 {
    108 	unsigned shift = pin * mux_bits % 32;
    109 	unsigned long reg = SG_PINCTRL_BASE + pin * mux_bits / 32 * reg_stride;
    110 	u32 mask = (1U << mux_bits) - 1;
    111 	u32 tmp;
    112 
    113 	tmp = readl(reg);
    114 	tmp &= ~(mask << shift);
    115 	tmp |= (mask & muxval) << shift;
    116 	writel(tmp, reg);
    117 }
    118 
    119 static inline void sg_set_iectrl(unsigned pin)
    120 {
    121 	unsigned bit = pin % 32;
    122 	unsigned long reg = SG_IECTRL + pin / 32 * 4;
    123 	u32 tmp;
    124 
    125 	tmp = readl(reg);
    126 	tmp |= 1 << bit;
    127 	writel(tmp, reg);
    128 }
    129 
    130 static inline void sg_set_iectrl_range(unsigned min, unsigned max)
    131 {
    132 	int i;
    133 
    134 	for (i = min; i <= max; i++)
    135 		sg_set_iectrl(i);
    136 }
    137 
    138 #endif /* __ASSEMBLY__ */
    139 
    140 #endif /* UNIPHIER_SG_REGS_H */
    141