Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2)  * arch/arm/mach-spear3xx/spear300.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * SPEAr300 machine source file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright (C) 2009-2012 ST Microelectronics
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * Viresh Kumar <vireshk@kernel.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * This file is licensed under the terms of the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * License version 2. This program is licensed "as is" without any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  * warranty of any kind, whether express or implied.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #define pr_fmt(fmt) "SPEAr300: " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/amba/pl08x.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/of_platform.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <asm/mach/arch.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include "generic.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <mach/spear.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) /* DMAC platform data's slave info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) struct pl08x_channel_data spear300_dma_info[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 		.bus_id = "uart0_rx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 		.min_signal = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 		.max_signal = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 		.muxval = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 		.bus_id = "uart0_tx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 		.min_signal = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 		.max_signal = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 		.muxval = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 		.bus_id = "ssp0_rx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 		.min_signal = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 		.max_signal = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 		.muxval = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 		.bus_id = "ssp0_tx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 		.min_signal = 9,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		.max_signal = 9,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 		.muxval = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 		.bus_id = "i2c_rx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 		.min_signal = 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 		.max_signal = 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 		.muxval = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 		.bus_id = "i2c_tx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 		.min_signal = 11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 		.max_signal = 11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 		.muxval = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		.bus_id = "irda",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		.min_signal = 12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		.max_signal = 12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 		.muxval = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 		.bus_id = "adc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		.min_signal = 13,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 		.max_signal = 13,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 		.muxval = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 		.bus_id = "to_jpeg",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		.min_signal = 14,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 		.max_signal = 14,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 		.muxval = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		.bus_id = "from_jpeg",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		.min_signal = 15,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		.max_signal = 15,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 		.muxval = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 		.bus_id = "ras0_rx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 		.min_signal = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		.max_signal = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 		.bus_id = "ras0_tx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		.min_signal = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		.max_signal = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		.bus_id = "ras1_rx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		.min_signal = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		.max_signal = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		.bus_id = "ras1_tx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 		.min_signal = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 		.max_signal = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		.bus_id = "ras2_rx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 		.min_signal = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 		.max_signal = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		.bus_id = "ras2_tx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		.min_signal = 5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 		.max_signal = 5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		.bus_id = "ras3_rx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		.min_signal = 6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 		.max_signal = 6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		.bus_id = "ras3_tx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 		.min_signal = 7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 		.max_signal = 7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 		.bus_id = "ras4_rx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		.min_signal = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		.max_signal = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 		.bus_id = "ras4_tx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 		.min_signal = 9,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		.max_signal = 9,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 		.bus_id = "ras5_rx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 		.min_signal = 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		.max_signal = 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		.bus_id = "ras5_tx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 		.min_signal = 11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		.max_signal = 11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		.bus_id = "ras6_rx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		.min_signal = 12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		.max_signal = 12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 		.bus_id = "ras6_tx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 		.min_signal = 13,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		.max_signal = 13,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		.bus_id = "ras7_rx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 		.min_signal = 14,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 		.max_signal = 14,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		.bus_id = "ras7_tx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		.min_signal = 15,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 		.max_signal = 15,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		.muxval = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		.periph_buses = PL08X_AHB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) /* Add SPEAr300 auxdata to pass platform data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) static struct of_dev_auxdata spear300_auxdata_lookup[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 			&pl022_plat_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	OF_DEV_AUXDATA("arm,pl080", SPEAR_ICM3_DMA_BASE, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 			&pl080_plat_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) static void __init spear300_dt_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	pl080_plat_data.slave_channels = spear300_dma_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear300_dma_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	of_platform_default_populate(NULL, spear300_auxdata_lookup, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static const char * const spear300_dt_board_compat[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	"st,spear300",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	"st,spear300-evb",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) static void __init spear300_map_io(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	spear3xx_map_io();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) DT_MACHINE_START(SPEAR300_DT, "ST SPEAr300 SoC with Flattened Device Tree")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	.map_io		=	spear300_map_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	.init_time	=	spear3xx_timer_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	.init_machine	=	spear300_dt_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	.restart	=	spear_restart,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	.dt_compat	=	spear300_dt_board_compat,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) MACHINE_END