board/freescale/common/ns_access.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright 2014 Freescale Semiconductor
   4  */
   5
   6 #include <common.h>
   7 #include <log.h>
   8 #include <asm/cache.h>
   9 #include <asm/io.h>
  10 #include <fsl_csu.h>
  11 #include <asm/arch/ns_access.h>
  12 #include <asm/arch/fsl_serdes.h>
  13
  14 #ifdef CONFIG_ARCH_LS1021A
  15 static struct csu_ns_dev ns_dev[] = {
  16         { CSU_CSLX_PCIE2_IO, CSU_ALL_RW },
  17         { CSU_CSLX_PCIE1_IO, CSU_ALL_RW },
  18         { CSU_CSLX_MG2TPR_IP, CSU_ALL_RW },
  19         { CSU_CSLX_IFC_MEM, CSU_ALL_RW },
  20         { CSU_CSLX_OCRAM, CSU_ALL_RW },
  21         { CSU_CSLX_GIC, CSU_ALL_RW },
  22         { CSU_CSLX_PCIE1, CSU_ALL_RW },
  23         { CSU_CSLX_OCRAM2, CSU_ALL_RW },
  24         { CSU_CSLX_QSPI_MEM, CSU_ALL_RW },
  25         { CSU_CSLX_PCIE2, CSU_ALL_RW },
  26         { CSU_CSLX_SATA, CSU_ALL_RW },
  27         { CSU_CSLX_USB3, CSU_ALL_RW },
  28         { CSU_CSLX_SERDES, CSU_ALL_RW },
  29         { CSU_CSLX_QDMA, CSU_ALL_RW },
  30         { CSU_CSLX_LPUART2, CSU_ALL_RW },
  31         { CSU_CSLX_LPUART1, CSU_ALL_RW },
  32         { CSU_CSLX_LPUART4, CSU_ALL_RW },
  33         { CSU_CSLX_LPUART3, CSU_ALL_RW },
  34         { CSU_CSLX_LPUART6, CSU_ALL_RW },
  35         { CSU_CSLX_LPUART5, CSU_ALL_RW },
  36         { CSU_CSLX_DSPI2, CSU_ALL_RW },
  37         { CSU_CSLX_DSPI1, CSU_ALL_RW },
  38         { CSU_CSLX_QSPI, CSU_ALL_RW },
  39         { CSU_CSLX_ESDHC, CSU_ALL_RW },
  40         { CSU_CSLX_2D_ACE, CSU_ALL_RW },
  41         { CSU_CSLX_IFC, CSU_ALL_RW },
  42         { CSU_CSLX_I2C1, CSU_ALL_RW },
  43         { CSU_CSLX_USB2, CSU_ALL_RW },
  44         { CSU_CSLX_I2C3, CSU_ALL_RW },
  45         { CSU_CSLX_I2C2, CSU_ALL_RW },
  46         { CSU_CSLX_DUART2, CSU_ALL_RW },
  47         { CSU_CSLX_DUART1, CSU_ALL_RW },
  48         { CSU_CSLX_WDT2, CSU_ALL_RW },
  49         { CSU_CSLX_WDT1, CSU_ALL_RW },
  50         { CSU_CSLX_EDMA, CSU_ALL_RW },
  51         { CSU_CSLX_SYS_CNT, CSU_ALL_RW },
  52         { CSU_CSLX_DMA_MUX2, CSU_ALL_RW },
  53         { CSU_CSLX_DMA_MUX1, CSU_ALL_RW },
  54         { CSU_CSLX_DDR, CSU_ALL_RW },
  55         { CSU_CSLX_QUICC, CSU_ALL_RW },
  56         { CSU_CSLX_DCFG_CCU_RCPM, CSU_ALL_RW },
  57         { CSU_CSLX_SECURE_BOOTROM, CSU_ALL_RW },
  58         { CSU_CSLX_SFP, CSU_ALL_RW },
  59         { CSU_CSLX_TMU, CSU_ALL_RW },
  60         { CSU_CSLX_SECURE_MONITOR, CSU_ALL_RW },
  61         { CSU_CSLX_RESERVED0, CSU_ALL_RW },
  62         { CSU_CSLX_ETSEC1, CSU_ALL_RW },
  63         { CSU_CSLX_SEC5_5, CSU_ALL_RW },
  64         { CSU_CSLX_ETSEC3, CSU_ALL_RW },
  65         { CSU_CSLX_ETSEC2, CSU_ALL_RW },
  66         { CSU_CSLX_GPIO2, CSU_ALL_RW },
  67         { CSU_CSLX_GPIO1, CSU_ALL_RW },
  68         { CSU_CSLX_GPIO4, CSU_ALL_RW },
  69         { CSU_CSLX_GPIO3, CSU_ALL_RW },
  70         { CSU_CSLX_PLATFORM_CONT, CSU_ALL_RW },
  71         { CSU_CSLX_CSU, CSU_ALL_RW },
  72         { CSU_CSLX_ASRC, CSU_ALL_RW },
  73         { CSU_CSLX_SPDIF, CSU_ALL_RW },
  74         { CSU_CSLX_FLEXCAN2, CSU_ALL_RW },
  75         { CSU_CSLX_FLEXCAN1, CSU_ALL_RW },
  76         { CSU_CSLX_FLEXCAN4, CSU_ALL_RW },
  77         { CSU_CSLX_FLEXCAN3, CSU_ALL_RW },
  78         { CSU_CSLX_SAI2, CSU_ALL_RW },
  79         { CSU_CSLX_SAI1, CSU_ALL_RW },
  80         { CSU_CSLX_SAI4, CSU_ALL_RW },
  81         { CSU_CSLX_SAI3, CSU_ALL_RW },
  82         { CSU_CSLX_FTM2, CSU_ALL_RW },
  83         { CSU_CSLX_FTM1, CSU_ALL_RW },
  84         { CSU_CSLX_FTM4, CSU_ALL_RW },
  85         { CSU_CSLX_FTM3, CSU_ALL_RW },
  86         { CSU_CSLX_FTM6, CSU_ALL_RW },
  87         { CSU_CSLX_FTM5, CSU_ALL_RW },
  88         { CSU_CSLX_FTM8, CSU_ALL_RW },
  89         { CSU_CSLX_FTM7, CSU_ALL_RW },
  90         { CSU_CSLX_COP_DCSR, CSU_ALL_RW },
  91         { CSU_CSLX_EPU, CSU_ALL_RW },
  92         { CSU_CSLX_GDI, CSU_ALL_RW },
  93         { CSU_CSLX_DDI, CSU_ALL_RW },
  94         { CSU_CSLX_RESERVED1, CSU_ALL_RW },
  95         { CSU_CSLX_USB3_PHY, CSU_ALL_RW },
  96         { CSU_CSLX_RESERVED2, CSU_ALL_RW },
  97 };
  98
  99 #else
 100 static struct csu_ns_dev ns_dev[] = {
 101          {CSU_CSLX_PCIE2_IO, CSU_ALL_RW},
 102          {CSU_CSLX_PCIE1_IO, CSU_ALL_RW},
 103          {CSU_CSLX_MG2TPR_IP, CSU_ALL_RW},
 104          {CSU_CSLX_IFC_MEM, CSU_ALL_RW},
 105          {CSU_CSLX_OCRAM, CSU_ALL_RW},
 106          {CSU_CSLX_GIC, CSU_ALL_RW},
 107          {CSU_CSLX_PCIE1, CSU_ALL_RW},
 108          {CSU_CSLX_OCRAM2, CSU_ALL_RW},
 109          {CSU_CSLX_QSPI_MEM, CSU_ALL_RW},
 110          {CSU_CSLX_PCIE2, CSU_ALL_RW},
 111          {CSU_CSLX_SATA, CSU_ALL_RW},
 112          {CSU_CSLX_USB1, CSU_ALL_RW},
 113          {CSU_CSLX_QM_BM_SWPORTAL, CSU_ALL_RW},
 114          {CSU_CSLX_PCIE3, CSU_ALL_RW},
 115          {CSU_CSLX_PCIE3_IO, CSU_ALL_RW},
 116          {CSU_CSLX_USB3, CSU_ALL_RW},
 117          {CSU_CSLX_USB2, CSU_ALL_RW},
 118          {CSU_CSLX_PFE, CSU_ALL_RW},
 119          {CSU_CSLX_SERDES, CSU_ALL_RW},
 120          {CSU_CSLX_QDMA, CSU_ALL_RW},
 121          {CSU_CSLX_LPUART2, CSU_ALL_RW},
 122          {CSU_CSLX_LPUART1, CSU_ALL_RW},
 123          {CSU_CSLX_LPUART4, CSU_ALL_RW},
 124          {CSU_CSLX_LPUART3, CSU_ALL_RW},
 125          {CSU_CSLX_LPUART6, CSU_ALL_RW},
 126          {CSU_CSLX_LPUART5, CSU_ALL_RW},
 127          {CSU_CSLX_DSPI1, CSU_ALL_RW},
 128          {CSU_CSLX_QSPI, CSU_ALL_RW},
 129          {CSU_CSLX_ESDHC, CSU_ALL_RW},
 130          {CSU_CSLX_IFC, CSU_ALL_RW},
 131          {CSU_CSLX_I2C1, CSU_ALL_RW},
 132          {CSU_CSLX_I2C3, CSU_ALL_RW},
 133          {CSU_CSLX_I2C2, CSU_ALL_RW},
 134          {CSU_CSLX_DUART2, CSU_ALL_RW},
 135          {CSU_CSLX_DUART1, CSU_ALL_RW},
 136          {CSU_CSLX_WDT2, CSU_ALL_RW},
 137          {CSU_CSLX_WDT1, CSU_ALL_RW},
 138          {CSU_CSLX_EDMA, CSU_ALL_RW},
 139          {CSU_CSLX_SYS_CNT, CSU_ALL_RW},
 140          {CSU_CSLX_DMA_MUX2, CSU_ALL_RW},
 141          {CSU_CSLX_DMA_MUX1, CSU_ALL_RW},
 142          {CSU_CSLX_DDR, CSU_ALL_RW},
 143          {CSU_CSLX_QUICC, CSU_ALL_RW},
 144          {CSU_CSLX_DCFG_CCU_RCPM, CSU_ALL_RW},
 145          {CSU_CSLX_SECURE_BOOTROM, CSU_ALL_RW},
 146          {CSU_CSLX_SFP, CSU_ALL_RW},
 147          {CSU_CSLX_TMU, CSU_ALL_RW},
 148          {CSU_CSLX_SECURE_MONITOR, CSU_ALL_RW},
 149          {CSU_CSLX_SCFG, CSU_ALL_RW},
 150          {CSU_CSLX_FM, CSU_ALL_RW},
 151          {CSU_CSLX_SEC5_5, CSU_ALL_RW},
 152          {CSU_CSLX_BM, CSU_ALL_RW},
 153          {CSU_CSLX_QM, CSU_ALL_RW},
 154          {CSU_CSLX_GPIO2, CSU_ALL_RW},
 155          {CSU_CSLX_GPIO1, CSU_ALL_RW},
 156          {CSU_CSLX_GPIO4, CSU_ALL_RW},
 157          {CSU_CSLX_GPIO3, CSU_ALL_RW},
 158          {CSU_CSLX_PLATFORM_CONT, CSU_ALL_RW},
 159          {CSU_CSLX_CSU, CSU_ALL_RW},
 160          {CSU_CSLX_IIC4, CSU_ALL_RW},
 161          {CSU_CSLX_WDT4, CSU_ALL_RW},
 162          {CSU_CSLX_WDT3, CSU_ALL_RW},
 163          {CSU_CSLX_ESDHC2, CSU_ALL_RW},
 164          {CSU_CSLX_WDT5, CSU_ALL_RW},
 165          {CSU_CSLX_SAI2, CSU_ALL_RW},
 166          {CSU_CSLX_SAI1, CSU_ALL_RW},
 167          {CSU_CSLX_SAI4, CSU_ALL_RW},
 168          {CSU_CSLX_SAI3, CSU_ALL_RW},
 169          {CSU_CSLX_FTM2, CSU_ALL_RW},
 170          {CSU_CSLX_FTM1, CSU_ALL_RW},
 171          {CSU_CSLX_FTM4, CSU_ALL_RW},
 172          {CSU_CSLX_FTM3, CSU_ALL_RW},
 173          {CSU_CSLX_FTM6, CSU_ALL_RW},
 174          {CSU_CSLX_FTM5, CSU_ALL_RW},
 175          {CSU_CSLX_FTM8, CSU_ALL_RW},
 176          {CSU_CSLX_FTM7, CSU_ALL_RW},
 177          {CSU_CSLX_DSCR, CSU_ALL_RW},
 178 };
 179 #endif
 180
 181 void set_devices_ns_access(unsigned long index, u16 val)
 182 {
 183         u32 *base = (u32 *)CONFIG_SYS_FSL_CSU_ADDR;
 184         u32 *reg;
 185         uint32_t tmp;
 186
 187         reg = base + index / 2;
 188         tmp = in_be32(reg);
 189         if (index % 2 == 0) {
 190                 tmp &= 0x0000ffff;
 191                 tmp |= val << 16;
 192         } else {
 193                 tmp &= 0xffff0000;
 194                 tmp |= val;
 195         }
 196
 197         out_be32(reg, tmp);
 198 }
 199
 200 static void enable_devices_ns_access(struct csu_ns_dev *ns_dev, uint32_t num)
 201 {
 202         int i;
 203
 204         for (i = 0; i < num; i++)
 205                 set_devices_ns_access(ns_dev[i].ind, ns_dev[i].val);
 206 }
 207
 208 void enable_layerscape_ns_access(void)
 209 {
 210 #ifdef CONFIG_ARM64
 211         if (current_el() == 3)
 212 #endif
 213                 enable_devices_ns_access(ns_dev, ARRAY_SIZE(ns_dev));
 214 }
 215
 216 void set_pcie_ns_access(int pcie, u16 val)
 217 {
 218         switch (pcie) {
 219 #ifdef CONFIG_PCIE1
 220         case PCIE1:
 221                 set_devices_ns_access(CSU_CSLX_PCIE1, val);
 222                 set_devices_ns_access(CSU_CSLX_PCIE1_IO, val);
 223                 return;
 224 #endif
 225 #ifdef CONFIG_PCIE2
 226         case PCIE2:
 227                 set_devices_ns_access(CSU_CSLX_PCIE2, val);
 228                 set_devices_ns_access(CSU_CSLX_PCIE2_IO, val);
 229                 return;
 230 #endif
 231 #ifdef CONFIG_PCIE3
 232         case PCIE3:
 233                 set_devices_ns_access(CSU_CSLX_PCIE3, val);
 234                 set_devices_ns_access(CSU_CSLX_PCIE3_IO, val);
 235                 return;
 236 #endif
 237         default:
 238                 debug("The PCIE%d doesn't exist!\n", pcie);
 239                 return;
 240         }
 241 }