Minghuan Lian | a4d6b61 | 2014-10-31 13:43:44 +0800 | [diff] [blame] | 1 | /* |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 2 | * Copyright 2014-2015 Freescale Semiconductor, Inc. |
Minghuan Lian | a4d6b61 | 2014-10-31 13:43:44 +0800 | [diff] [blame] | 3 | * Layerscape PCIe driver |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <asm/arch/fsl_serdes.h> |
| 10 | #include <pci.h> |
| 11 | #include <asm/io.h> |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 12 | #include <errno.h> |
| 13 | #include <malloc.h> |
Mingkai Hu | 1921899 | 2015-11-11 17:58:34 +0800 | [diff] [blame] | 14 | #ifndef CONFIG_LS102XA |
Mingkai Hu | 0e58b51 | 2015-10-26 19:47:50 +0800 | [diff] [blame] | 15 | #include <asm/arch/fdt.h> |
Mingkai Hu | 1921899 | 2015-11-11 17:58:34 +0800 | [diff] [blame] | 16 | #include <asm/arch/soc.h> |
Mingkai Hu | 0e58b51 | 2015-10-26 19:47:50 +0800 | [diff] [blame] | 17 | #endif |
Minghuan Lian | a4d6b61 | 2014-10-31 13:43:44 +0800 | [diff] [blame] | 18 | |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 19 | #ifndef CONFIG_SYS_PCI_MEMORY_BUS |
| 20 | #define CONFIG_SYS_PCI_MEMORY_BUS CONFIG_SYS_SDRAM_BASE |
| 21 | #endif |
| 22 | |
| 23 | #ifndef CONFIG_SYS_PCI_MEMORY_PHYS |
| 24 | #define CONFIG_SYS_PCI_MEMORY_PHYS CONFIG_SYS_SDRAM_BASE |
| 25 | #endif |
| 26 | |
| 27 | #ifndef CONFIG_SYS_PCI_MEMORY_SIZE |
| 28 | #define CONFIG_SYS_PCI_MEMORY_SIZE (2 * 1024 * 1024 * 1024UL) /* 2G */ |
| 29 | #endif |
| 30 | |
Minghuan Lian | 5d7d24b | 2015-07-10 11:35:09 +0800 | [diff] [blame] | 31 | #ifndef CONFIG_SYS_PCI_EP_MEMORY_BASE |
| 32 | #define CONFIG_SYS_PCI_EP_MEMORY_BASE CONFIG_SYS_LOAD_ADDR |
| 33 | #endif |
| 34 | |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 35 | /* iATU registers */ |
| 36 | #define PCIE_ATU_VIEWPORT 0x900 |
| 37 | #define PCIE_ATU_REGION_INBOUND (0x1 << 31) |
| 38 | #define PCIE_ATU_REGION_OUTBOUND (0x0 << 31) |
| 39 | #define PCIE_ATU_REGION_INDEX0 (0x0 << 0) |
| 40 | #define PCIE_ATU_REGION_INDEX1 (0x1 << 0) |
| 41 | #define PCIE_ATU_REGION_INDEX2 (0x2 << 0) |
| 42 | #define PCIE_ATU_REGION_INDEX3 (0x3 << 0) |
| 43 | #define PCIE_ATU_CR1 0x904 |
| 44 | #define PCIE_ATU_TYPE_MEM (0x0 << 0) |
| 45 | #define PCIE_ATU_TYPE_IO (0x2 << 0) |
| 46 | #define PCIE_ATU_TYPE_CFG0 (0x4 << 0) |
| 47 | #define PCIE_ATU_TYPE_CFG1 (0x5 << 0) |
| 48 | #define PCIE_ATU_CR2 0x908 |
| 49 | #define PCIE_ATU_ENABLE (0x1 << 31) |
| 50 | #define PCIE_ATU_BAR_MODE_ENABLE (0x1 << 30) |
Minghuan Lian | 5d7d24b | 2015-07-10 11:35:09 +0800 | [diff] [blame] | 51 | #define PCIE_ATU_BAR_NUM(bar) ((bar) << 8) |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 52 | #define PCIE_ATU_LOWER_BASE 0x90C |
| 53 | #define PCIE_ATU_UPPER_BASE 0x910 |
| 54 | #define PCIE_ATU_LIMIT 0x914 |
| 55 | #define PCIE_ATU_LOWER_TARGET 0x918 |
| 56 | #define PCIE_ATU_BUS(x) (((x) & 0xff) << 24) |
| 57 | #define PCIE_ATU_DEV(x) (((x) & 0x1f) << 19) |
| 58 | #define PCIE_ATU_FUNC(x) (((x) & 0x7) << 16) |
| 59 | #define PCIE_ATU_UPPER_TARGET 0x91C |
| 60 | |
Minghuan Lian | d225527 | 2015-03-12 10:58:49 +0800 | [diff] [blame] | 61 | #define PCIE_DBI_RO_WR_EN 0x8bc |
| 62 | |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 63 | #define PCIE_LINK_CAP 0x7c |
| 64 | #define PCIE_LINK_SPEED_MASK 0xf |
| 65 | #define PCIE_LINK_STA 0x82 |
| 66 | |
Minghuan Lian | d225527 | 2015-03-12 10:58:49 +0800 | [diff] [blame] | 67 | #define LTSSM_STATE_MASK 0x3f |
| 68 | #define LTSSM_PCIE_L0 0x11 /* L0 state */ |
| 69 | |
| 70 | #define PCIE_DBI_SIZE 0x100000 /* 1M */ |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 71 | |
Minghuan Lian | 5d7d24b | 2015-07-10 11:35:09 +0800 | [diff] [blame] | 72 | #define PCIE_LCTRL0_CFG2_ENABLE (1 << 31) |
| 73 | #define PCIE_LCTRL0_VF(vf) ((vf) << 22) |
| 74 | #define PCIE_LCTRL0_PF(pf) ((pf) << 16) |
| 75 | #define PCIE_LCTRL0_VF_ACTIVE (1 << 21) |
| 76 | #define PCIE_LCTRL0_VAL(pf, vf) (PCIE_LCTRL0_PF(pf) | \ |
| 77 | PCIE_LCTRL0_VF(vf) | \ |
| 78 | ((vf) == 0 ? 0 : PCIE_LCTRL0_VF_ACTIVE) | \ |
| 79 | PCIE_LCTRL0_CFG2_ENABLE) |
| 80 | |
| 81 | #define PCIE_NO_SRIOV_BAR_BASE 0x1000 |
| 82 | |
| 83 | #define PCIE_PF_NUM 2 |
| 84 | #define PCIE_VF_NUM 64 |
| 85 | |
| 86 | #define PCIE_BAR0_SIZE (4 * 1024) /* 4K */ |
| 87 | #define PCIE_BAR1_SIZE (8 * 1024) /* 8K for MSIX */ |
| 88 | #define PCIE_BAR2_SIZE (4 * 1024) /* 4K */ |
| 89 | #define PCIE_BAR4_SIZE (1 * 1024 * 1024) /* 1M */ |
| 90 | |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 91 | struct ls_pcie { |
| 92 | int idx; |
| 93 | void __iomem *dbi; |
| 94 | void __iomem *va_cfg0; |
| 95 | void __iomem *va_cfg1; |
Stuart Yoder | 45e78ac | 2016-03-10 10:52:30 -0600 | [diff] [blame] | 96 | int next_lut_index; |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 97 | struct pci_controller hose; |
| 98 | }; |
| 99 | |
| 100 | struct ls_pcie_info { |
| 101 | unsigned long regs; |
| 102 | int pci_num; |
Minghuan Lian | 5d7d24b | 2015-07-10 11:35:09 +0800 | [diff] [blame] | 103 | u64 phys_base; |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 104 | u64 cfg0_phys; |
| 105 | u64 cfg0_size; |
| 106 | u64 cfg1_phys; |
| 107 | u64 cfg1_size; |
| 108 | u64 mem_bus; |
| 109 | u64 mem_phys; |
| 110 | u64 mem_size; |
| 111 | u64 io_bus; |
| 112 | u64 io_phys; |
| 113 | u64 io_size; |
| 114 | }; |
| 115 | |
| 116 | #define SET_LS_PCIE_INFO(x, num) \ |
| 117 | { \ |
| 118 | x.regs = CONFIG_SYS_PCIE##num##_ADDR; \ |
Minghuan Lian | 5d7d24b | 2015-07-10 11:35:09 +0800 | [diff] [blame] | 119 | x.phys_base = CONFIG_SYS_PCIE##num##_PHYS_ADDR; \ |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 120 | x.cfg0_phys = CONFIG_SYS_PCIE_CFG0_PHYS_OFF + \ |
| 121 | CONFIG_SYS_PCIE##num##_PHYS_ADDR; \ |
| 122 | x.cfg0_size = CONFIG_SYS_PCIE_CFG0_SIZE; \ |
| 123 | x.cfg1_phys = CONFIG_SYS_PCIE_CFG1_PHYS_OFF + \ |
| 124 | CONFIG_SYS_PCIE##num##_PHYS_ADDR; \ |
| 125 | x.cfg1_size = CONFIG_SYS_PCIE_CFG1_SIZE; \ |
| 126 | x.mem_bus = CONFIG_SYS_PCIE_MEM_BUS; \ |
| 127 | x.mem_phys = CONFIG_SYS_PCIE_MEM_PHYS_OFF + \ |
| 128 | CONFIG_SYS_PCIE##num##_PHYS_ADDR; \ |
| 129 | x.mem_size = CONFIG_SYS_PCIE_MEM_SIZE; \ |
| 130 | x.io_bus = CONFIG_SYS_PCIE_IO_BUS; \ |
| 131 | x.io_phys = CONFIG_SYS_PCIE_IO_PHYS_OFF + \ |
| 132 | CONFIG_SYS_PCIE##num##_PHYS_ADDR; \ |
| 133 | x.io_size = CONFIG_SYS_PCIE_IO_SIZE; \ |
| 134 | x.pci_num = num; \ |
| 135 | } |
| 136 | |
| 137 | #ifdef CONFIG_LS102XA |
| 138 | #include <asm/arch/immap_ls102xa.h> |
| 139 | |
| 140 | /* PEX1/2 Misc Ports Status Register */ |
| 141 | #define LTSSM_STATE_SHIFT 20 |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 142 | |
| 143 | static int ls_pcie_link_state(struct ls_pcie *pcie) |
| 144 | { |
| 145 | u32 state; |
| 146 | struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR; |
| 147 | |
| 148 | state = in_be32(&scfg->pexmscportsr[pcie->idx]); |
| 149 | state = (state >> LTSSM_STATE_SHIFT) & LTSSM_STATE_MASK; |
| 150 | if (state < LTSSM_PCIE_L0) { |
| 151 | debug("....PCIe link error. LTSSM=0x%02x.\n", state); |
| 152 | return 0; |
| 153 | } |
| 154 | |
| 155 | return 1; |
| 156 | } |
| 157 | #else |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 158 | static int ls_pcie_link_state(struct ls_pcie *pcie) |
| 159 | { |
| 160 | u32 state; |
| 161 | |
Mingkai Hu | 1921899 | 2015-11-11 17:58:34 +0800 | [diff] [blame] | 162 | state = pex_lut_in32(pcie->dbi + PCIE_LUT_BASE + PCIE_LUT_DBG) & |
Minghuan Lian | d225527 | 2015-03-12 10:58:49 +0800 | [diff] [blame] | 163 | LTSSM_STATE_MASK; |
| 164 | if (state < LTSSM_PCIE_L0) { |
| 165 | debug("....PCIe link error. LTSSM=0x%02x.\n", state); |
| 166 | return 0; |
| 167 | } |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 168 | |
Minghuan Lian | d225527 | 2015-03-12 10:58:49 +0800 | [diff] [blame] | 169 | return 1; |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 170 | } |
| 171 | #endif |
| 172 | |
| 173 | static int ls_pcie_link_up(struct ls_pcie *pcie) |
| 174 | { |
| 175 | int state; |
| 176 | u32 cap; |
| 177 | |
| 178 | state = ls_pcie_link_state(pcie); |
| 179 | if (state) |
| 180 | return state; |
| 181 | |
| 182 | /* Try to download speed to gen1 */ |
| 183 | cap = readl(pcie->dbi + PCIE_LINK_CAP); |
| 184 | writel((cap & (~PCIE_LINK_SPEED_MASK)) | 1, pcie->dbi + PCIE_LINK_CAP); |
Minghuan Lian | d225527 | 2015-03-12 10:58:49 +0800 | [diff] [blame] | 185 | /* |
| 186 | * Notice: the following delay has critical impact on link training |
| 187 | * if too short (<30ms) the link doesn't get up. |
| 188 | */ |
| 189 | mdelay(100); |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 190 | state = ls_pcie_link_state(pcie); |
| 191 | if (state) |
| 192 | return state; |
| 193 | |
| 194 | writel(cap, pcie->dbi + PCIE_LINK_CAP); |
| 195 | |
| 196 | return 0; |
| 197 | } |
| 198 | |
| 199 | static void ls_pcie_cfg0_set_busdev(struct ls_pcie *pcie, u32 busdev) |
| 200 | { |
| 201 | writel(PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX0, |
| 202 | pcie->dbi + PCIE_ATU_VIEWPORT); |
| 203 | writel(busdev, pcie->dbi + PCIE_ATU_LOWER_TARGET); |
| 204 | } |
| 205 | |
| 206 | static void ls_pcie_cfg1_set_busdev(struct ls_pcie *pcie, u32 busdev) |
| 207 | { |
| 208 | writel(PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX1, |
| 209 | pcie->dbi + PCIE_ATU_VIEWPORT); |
| 210 | writel(busdev, pcie->dbi + PCIE_ATU_LOWER_TARGET); |
| 211 | } |
| 212 | |
| 213 | static void ls_pcie_iatu_outbound_set(struct ls_pcie *pcie, int idx, int type, |
| 214 | u64 phys, u64 bus_addr, pci_size_t size) |
| 215 | { |
| 216 | writel(PCIE_ATU_REGION_OUTBOUND | idx, pcie->dbi + PCIE_ATU_VIEWPORT); |
| 217 | writel((u32)phys, pcie->dbi + PCIE_ATU_LOWER_BASE); |
| 218 | writel(phys >> 32, pcie->dbi + PCIE_ATU_UPPER_BASE); |
| 219 | writel(phys + size - 1, pcie->dbi + PCIE_ATU_LIMIT); |
| 220 | writel((u32)bus_addr, pcie->dbi + PCIE_ATU_LOWER_TARGET); |
| 221 | writel(bus_addr >> 32, pcie->dbi + PCIE_ATU_UPPER_TARGET); |
| 222 | writel(type, pcie->dbi + PCIE_ATU_CR1); |
| 223 | writel(PCIE_ATU_ENABLE, pcie->dbi + PCIE_ATU_CR2); |
| 224 | } |
| 225 | |
Minghuan Lian | 5d7d24b | 2015-07-10 11:35:09 +0800 | [diff] [blame] | 226 | /* Use bar match mode and MEM type as default */ |
| 227 | static void ls_pcie_iatu_inbound_set(struct ls_pcie *pcie, int idx, |
| 228 | int bar, u64 phys) |
| 229 | { |
| 230 | writel(PCIE_ATU_REGION_INBOUND | idx, pcie->dbi + PCIE_ATU_VIEWPORT); |
| 231 | writel((u32)phys, pcie->dbi + PCIE_ATU_LOWER_TARGET); |
| 232 | writel(phys >> 32, pcie->dbi + PCIE_ATU_UPPER_TARGET); |
| 233 | writel(PCIE_ATU_TYPE_MEM, pcie->dbi + PCIE_ATU_CR1); |
| 234 | writel(PCIE_ATU_ENABLE | PCIE_ATU_BAR_MODE_ENABLE | |
| 235 | PCIE_ATU_BAR_NUM(bar), pcie->dbi + PCIE_ATU_CR2); |
| 236 | } |
| 237 | |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 238 | static void ls_pcie_setup_atu(struct ls_pcie *pcie, struct ls_pcie_info *info) |
| 239 | { |
| 240 | #ifdef DEBUG |
| 241 | int i; |
| 242 | #endif |
| 243 | |
| 244 | /* ATU 0 : OUTBOUND : CFG0 */ |
| 245 | ls_pcie_iatu_outbound_set(pcie, PCIE_ATU_REGION_INDEX0, |
| 246 | PCIE_ATU_TYPE_CFG0, |
| 247 | info->cfg0_phys, |
| 248 | 0, |
| 249 | info->cfg0_size); |
| 250 | /* ATU 1 : OUTBOUND : CFG1 */ |
| 251 | ls_pcie_iatu_outbound_set(pcie, PCIE_ATU_REGION_INDEX1, |
| 252 | PCIE_ATU_TYPE_CFG1, |
| 253 | info->cfg1_phys, |
| 254 | 0, |
| 255 | info->cfg1_size); |
| 256 | /* ATU 2 : OUTBOUND : MEM */ |
| 257 | ls_pcie_iatu_outbound_set(pcie, PCIE_ATU_REGION_INDEX2, |
| 258 | PCIE_ATU_TYPE_MEM, |
| 259 | info->mem_phys, |
| 260 | info->mem_bus, |
| 261 | info->mem_size); |
| 262 | /* ATU 3 : OUTBOUND : IO */ |
| 263 | ls_pcie_iatu_outbound_set(pcie, PCIE_ATU_REGION_INDEX3, |
| 264 | PCIE_ATU_TYPE_IO, |
| 265 | info->io_phys, |
| 266 | info->io_bus, |
| 267 | info->io_size); |
| 268 | |
| 269 | #ifdef DEBUG |
| 270 | for (i = 0; i <= PCIE_ATU_REGION_INDEX3; i++) { |
| 271 | writel(PCIE_ATU_REGION_OUTBOUND | i, |
| 272 | pcie->dbi + PCIE_ATU_VIEWPORT); |
| 273 | debug("iATU%d:\n", i); |
| 274 | debug("\tLOWER PHYS 0x%08x\n", |
| 275 | readl(pcie->dbi + PCIE_ATU_LOWER_BASE)); |
| 276 | debug("\tUPPER PHYS 0x%08x\n", |
| 277 | readl(pcie->dbi + PCIE_ATU_UPPER_BASE)); |
| 278 | debug("\tLOWER BUS 0x%08x\n", |
| 279 | readl(pcie->dbi + PCIE_ATU_LOWER_TARGET)); |
| 280 | debug("\tUPPER BUS 0x%08x\n", |
| 281 | readl(pcie->dbi + PCIE_ATU_UPPER_TARGET)); |
| 282 | debug("\tLIMIT 0x%08x\n", |
| 283 | readl(pcie->dbi + PCIE_ATU_LIMIT)); |
| 284 | debug("\tCR1 0x%08x\n", |
| 285 | readl(pcie->dbi + PCIE_ATU_CR1)); |
| 286 | debug("\tCR2 0x%08x\n", |
| 287 | readl(pcie->dbi + PCIE_ATU_CR2)); |
| 288 | } |
| 289 | #endif |
| 290 | } |
| 291 | |
| 292 | int pci_skip_dev(struct pci_controller *hose, pci_dev_t dev) |
| 293 | { |
| 294 | /* Do not skip controller */ |
| 295 | return 0; |
| 296 | } |
| 297 | |
| 298 | static int ls_pcie_addr_valid(struct pci_controller *hose, pci_dev_t d) |
| 299 | { |
| 300 | if (PCI_DEV(d) > 0) |
| 301 | return -EINVAL; |
| 302 | |
Minghuan Lian | d225527 | 2015-03-12 10:58:49 +0800 | [diff] [blame] | 303 | /* Controller does not support multi-function in RC mode */ |
| 304 | if ((PCI_BUS(d) == hose->first_busno) && (PCI_FUNC(d) > 0)) |
| 305 | return -EINVAL; |
| 306 | |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 307 | return 0; |
| 308 | } |
| 309 | |
| 310 | static int ls_pcie_read_config(struct pci_controller *hose, pci_dev_t d, |
| 311 | int where, u32 *val) |
| 312 | { |
| 313 | struct ls_pcie *pcie = hose->priv_data; |
| 314 | u32 busdev, *addr; |
| 315 | |
| 316 | if (ls_pcie_addr_valid(hose, d)) { |
| 317 | *val = 0xffffffff; |
Bin Meng | 51170a4 | 2016-01-08 01:03:21 -0800 | [diff] [blame] | 318 | return 0; |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 319 | } |
| 320 | |
| 321 | if (PCI_BUS(d) == hose->first_busno) { |
| 322 | addr = pcie->dbi + (where & ~0x3); |
| 323 | } else { |
| 324 | busdev = PCIE_ATU_BUS(PCI_BUS(d)) | |
| 325 | PCIE_ATU_DEV(PCI_DEV(d)) | |
| 326 | PCIE_ATU_FUNC(PCI_FUNC(d)); |
| 327 | |
| 328 | if (PCI_BUS(d) == hose->first_busno + 1) { |
| 329 | ls_pcie_cfg0_set_busdev(pcie, busdev); |
| 330 | addr = pcie->va_cfg0 + (where & ~0x3); |
| 331 | } else { |
| 332 | ls_pcie_cfg1_set_busdev(pcie, busdev); |
| 333 | addr = pcie->va_cfg1 + (where & ~0x3); |
| 334 | } |
| 335 | } |
| 336 | |
| 337 | *val = readl(addr); |
| 338 | |
| 339 | return 0; |
| 340 | } |
| 341 | |
| 342 | static int ls_pcie_write_config(struct pci_controller *hose, pci_dev_t d, |
| 343 | int where, u32 val) |
| 344 | { |
| 345 | struct ls_pcie *pcie = hose->priv_data; |
| 346 | u32 busdev, *addr; |
| 347 | |
| 348 | if (ls_pcie_addr_valid(hose, d)) |
| 349 | return -EINVAL; |
| 350 | |
| 351 | if (PCI_BUS(d) == hose->first_busno) { |
| 352 | addr = pcie->dbi + (where & ~0x3); |
| 353 | } else { |
| 354 | busdev = PCIE_ATU_BUS(PCI_BUS(d)) | |
| 355 | PCIE_ATU_DEV(PCI_DEV(d)) | |
| 356 | PCIE_ATU_FUNC(PCI_FUNC(d)); |
| 357 | |
| 358 | if (PCI_BUS(d) == hose->first_busno + 1) { |
| 359 | ls_pcie_cfg0_set_busdev(pcie, busdev); |
| 360 | addr = pcie->va_cfg0 + (where & ~0x3); |
| 361 | } else { |
| 362 | ls_pcie_cfg1_set_busdev(pcie, busdev); |
| 363 | addr = pcie->va_cfg1 + (where & ~0x3); |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | writel(val, addr); |
| 368 | |
| 369 | return 0; |
| 370 | } |
| 371 | |
| 372 | static void ls_pcie_setup_ctrl(struct ls_pcie *pcie, |
| 373 | struct ls_pcie_info *info) |
| 374 | { |
| 375 | struct pci_controller *hose = &pcie->hose; |
| 376 | pci_dev_t dev = PCI_BDF(hose->first_busno, 0, 0); |
| 377 | |
| 378 | ls_pcie_setup_atu(pcie, info); |
| 379 | |
| 380 | pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_0, 0); |
| 381 | |
| 382 | /* program correct class for RC */ |
Minghuan Lian | d225527 | 2015-03-12 10:58:49 +0800 | [diff] [blame] | 383 | writel(1, pcie->dbi + PCIE_DBI_RO_WR_EN); |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 384 | pci_hose_write_config_word(hose, dev, PCI_CLASS_DEVICE, |
| 385 | PCI_CLASS_BRIDGE_PCI); |
Minghuan Lian | d225527 | 2015-03-12 10:58:49 +0800 | [diff] [blame] | 386 | #ifndef CONFIG_LS102XA |
| 387 | writel(0, pcie->dbi + PCIE_DBI_RO_WR_EN); |
| 388 | #endif |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 389 | } |
| 390 | |
Minghuan Lian | 5d7d24b | 2015-07-10 11:35:09 +0800 | [diff] [blame] | 391 | static void ls_pcie_ep_setup_atu(struct ls_pcie *pcie, |
| 392 | struct ls_pcie_info *info) |
| 393 | { |
| 394 | u64 phys = CONFIG_SYS_PCI_EP_MEMORY_BASE; |
| 395 | |
| 396 | /* ATU 0 : INBOUND : map BAR0 */ |
| 397 | ls_pcie_iatu_inbound_set(pcie, PCIE_ATU_REGION_INDEX0, 0, phys); |
| 398 | /* ATU 1 : INBOUND : map BAR1 */ |
| 399 | phys += PCIE_BAR1_SIZE; |
| 400 | ls_pcie_iatu_inbound_set(pcie, PCIE_ATU_REGION_INDEX1, 1, phys); |
| 401 | /* ATU 2 : INBOUND : map BAR2 */ |
| 402 | phys += PCIE_BAR2_SIZE; |
| 403 | ls_pcie_iatu_inbound_set(pcie, PCIE_ATU_REGION_INDEX2, 2, phys); |
| 404 | /* ATU 3 : INBOUND : map BAR4 */ |
| 405 | phys = CONFIG_SYS_PCI_EP_MEMORY_BASE + PCIE_BAR4_SIZE; |
| 406 | ls_pcie_iatu_inbound_set(pcie, PCIE_ATU_REGION_INDEX3, 4, phys); |
| 407 | |
| 408 | /* ATU 0 : OUTBOUND : map 4G MEM */ |
| 409 | ls_pcie_iatu_outbound_set(pcie, PCIE_ATU_REGION_INDEX0, |
| 410 | PCIE_ATU_TYPE_MEM, |
| 411 | info->phys_base, |
| 412 | 0, |
| 413 | 4 * 1024 * 1024 * 1024ULL); |
| 414 | } |
| 415 | |
| 416 | /* BAR0 and BAR1 are 32bit BAR2 and BAR4 are 64bit */ |
| 417 | static void ls_pcie_ep_setup_bar(void *bar_base, int bar, u32 size) |
| 418 | { |
| 419 | if (size < 4 * 1024) |
| 420 | return; |
| 421 | |
| 422 | switch (bar) { |
| 423 | case 0: |
| 424 | writel(size - 1, bar_base + PCI_BASE_ADDRESS_0); |
| 425 | break; |
| 426 | case 1: |
| 427 | writel(size - 1, bar_base + PCI_BASE_ADDRESS_1); |
| 428 | break; |
| 429 | case 2: |
| 430 | writel(size - 1, bar_base + PCI_BASE_ADDRESS_2); |
| 431 | writel(0, bar_base + PCI_BASE_ADDRESS_3); |
| 432 | break; |
| 433 | case 4: |
| 434 | writel(size - 1, bar_base + PCI_BASE_ADDRESS_4); |
| 435 | writel(0, bar_base + PCI_BASE_ADDRESS_5); |
| 436 | break; |
| 437 | default: |
| 438 | break; |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | static void ls_pcie_ep_setup_bars(void *bar_base) |
| 443 | { |
| 444 | /* BAR0 - 32bit - 4K configuration */ |
| 445 | ls_pcie_ep_setup_bar(bar_base, 0, PCIE_BAR0_SIZE); |
| 446 | /* BAR1 - 32bit - 8K MSIX*/ |
| 447 | ls_pcie_ep_setup_bar(bar_base, 1, PCIE_BAR1_SIZE); |
| 448 | /* BAR2 - 64bit - 4K MEM desciptor */ |
| 449 | ls_pcie_ep_setup_bar(bar_base, 2, PCIE_BAR2_SIZE); |
| 450 | /* BAR4 - 64bit - 1M MEM*/ |
| 451 | ls_pcie_ep_setup_bar(bar_base, 4, PCIE_BAR4_SIZE); |
| 452 | } |
| 453 | |
| 454 | static void ls_pcie_setup_ep(struct ls_pcie *pcie, struct ls_pcie_info *info) |
| 455 | { |
| 456 | struct pci_controller *hose = &pcie->hose; |
| 457 | pci_dev_t dev = PCI_BDF(hose->first_busno, 0, 0); |
| 458 | int sriov; |
| 459 | |
| 460 | sriov = pci_hose_find_ext_capability(hose, dev, PCI_EXT_CAP_ID_SRIOV); |
| 461 | if (sriov) { |
| 462 | int pf, vf; |
| 463 | |
| 464 | for (pf = 0; pf < PCIE_PF_NUM; pf++) { |
| 465 | for (vf = 0; vf <= PCIE_VF_NUM; vf++) { |
Mingkai Hu | 1921899 | 2015-11-11 17:58:34 +0800 | [diff] [blame] | 466 | #ifndef CONFIG_LS102XA |
Minghuan Lian | 5d7d24b | 2015-07-10 11:35:09 +0800 | [diff] [blame] | 467 | writel(PCIE_LCTRL0_VAL(pf, vf), |
| 468 | pcie->dbi + PCIE_LUT_BASE + |
| 469 | PCIE_LUT_LCTRL0); |
Mingkai Hu | 1921899 | 2015-11-11 17:58:34 +0800 | [diff] [blame] | 470 | #endif |
Minghuan Lian | 5d7d24b | 2015-07-10 11:35:09 +0800 | [diff] [blame] | 471 | ls_pcie_ep_setup_bars(pcie->dbi); |
| 472 | ls_pcie_ep_setup_atu(pcie, info); |
| 473 | } |
| 474 | } |
| 475 | |
| 476 | /* Disable CFG2 */ |
Mingkai Hu | 1921899 | 2015-11-11 17:58:34 +0800 | [diff] [blame] | 477 | #ifndef CONFIG_LS102XA |
Minghuan Lian | 5d7d24b | 2015-07-10 11:35:09 +0800 | [diff] [blame] | 478 | writel(0, pcie->dbi + PCIE_LUT_BASE + PCIE_LUT_LCTRL0); |
Mingkai Hu | 1921899 | 2015-11-11 17:58:34 +0800 | [diff] [blame] | 479 | #endif |
Minghuan Lian | 5d7d24b | 2015-07-10 11:35:09 +0800 | [diff] [blame] | 480 | } else { |
| 481 | ls_pcie_ep_setup_bars(pcie->dbi + PCIE_NO_SRIOV_BAR_BASE); |
| 482 | ls_pcie_ep_setup_atu(pcie, info); |
| 483 | } |
| 484 | } |
| 485 | |
Stuart Yoder | 45e78ac | 2016-03-10 10:52:30 -0600 | [diff] [blame] | 486 | #ifdef CONFIG_FSL_LSCH3 |
| 487 | /* |
| 488 | * Return next available LUT index. |
| 489 | */ |
| 490 | static int ls_pcie_next_lut_index(struct ls_pcie *pcie) |
| 491 | { |
| 492 | if (pcie->next_lut_index < PCIE_LUT_ENTRY_COUNT) |
| 493 | return pcie->next_lut_index++; |
| 494 | else |
| 495 | return -1; /* LUT is full */ |
| 496 | } |
| 497 | |
| 498 | /* |
| 499 | * Program a single LUT entry |
| 500 | */ |
| 501 | static void ls_pcie_lut_set_mapping(struct ls_pcie *pcie, int index, u32 devid, |
| 502 | u32 streamid) |
| 503 | { |
| 504 | void __iomem *lut; |
| 505 | |
| 506 | lut = pcie->dbi + PCIE_LUT_BASE; |
| 507 | |
| 508 | /* leave mask as all zeroes, want to match all bits */ |
| 509 | writel((devid << 16), lut + PCIE_LUT_UDR(index)); |
| 510 | writel(streamid | PCIE_LUT_ENABLE, lut + PCIE_LUT_LDR(index)); |
| 511 | } |
| 512 | |
| 513 | /* returns the next available streamid */ |
| 514 | static u32 ls_pcie_next_streamid(void) |
| 515 | { |
| 516 | static int next_stream_id = FSL_PEX_STREAM_ID_START; |
| 517 | |
| 518 | if (next_stream_id > FSL_PEX_STREAM_ID_END) |
| 519 | return 0xffffffff; |
| 520 | |
| 521 | return next_stream_id++; |
| 522 | } |
| 523 | |
| 524 | /* |
| 525 | * An msi-map is a property to be added to the pci controller |
| 526 | * node. It is a table, where each entry consists of 4 fields |
| 527 | * e.g.: |
| 528 | * |
| 529 | * msi-map = <[devid] [phandle-to-msi-ctrl] [stream-id] [count] |
| 530 | * [devid] [phandle-to-msi-ctrl] [stream-id] [count]>; |
| 531 | */ |
| 532 | static void fdt_pcie_set_msi_map_entry(void *blob, struct ls_pcie *pcie, |
| 533 | u32 devid, u32 streamid) |
| 534 | { |
| 535 | char pcie_path[19]; |
| 536 | u32 *prop; |
| 537 | u32 phandle; |
| 538 | int nodeoffset; |
| 539 | |
| 540 | /* find pci controller node */ |
| 541 | snprintf(pcie_path, sizeof(pcie_path), "/soc/pcie@%llx", |
| 542 | (u64)pcie->dbi); |
| 543 | nodeoffset = fdt_path_offset(blob, pcie_path); |
| 544 | if (nodeoffset < 0) { |
| 545 | printf("\n%s: ERROR: unable to update PCIe node: %s\n", |
| 546 | __func__, pcie_path); |
| 547 | return; |
| 548 | } |
| 549 | |
| 550 | /* get phandle to MSI controller */ |
| 551 | prop = (u32 *)fdt_getprop(blob, nodeoffset, "msi-parent", 0); |
| 552 | if (prop == NULL) { |
| 553 | printf("\n%s: ERROR: missing msi-parent: %s\n", __func__, |
| 554 | pcie_path); |
| 555 | return; |
| 556 | } |
| 557 | phandle = be32_to_cpu(*prop); |
| 558 | |
| 559 | /* set one msi-map row */ |
| 560 | fdt_appendprop_u32(blob, nodeoffset, "msi-map", devid); |
| 561 | fdt_appendprop_u32(blob, nodeoffset, "msi-map", phandle); |
| 562 | fdt_appendprop_u32(blob, nodeoffset, "msi-map", streamid); |
| 563 | fdt_appendprop_u32(blob, nodeoffset, "msi-map", 1); |
| 564 | } |
| 565 | |
| 566 | static void fdt_fixup_pcie(void *blob) |
| 567 | { |
| 568 | unsigned int found_multi = 0; |
| 569 | unsigned char header_type; |
| 570 | int index; |
| 571 | u32 streamid; |
| 572 | pci_dev_t dev; |
| 573 | int bus; |
| 574 | unsigned short id; |
| 575 | struct pci_controller *hose; |
| 576 | struct ls_pcie *pcie; |
| 577 | int i; |
| 578 | |
| 579 | for (i = 0, hose = pci_get_hose_head(); hose; hose = hose->next, i++) { |
| 580 | pcie = hose->priv_data; |
| 581 | for (bus = hose->first_busno; bus <= hose->last_busno; bus++) { |
| 582 | |
| 583 | for (dev = PCI_BDF(bus, 0, 0); |
| 584 | dev < PCI_BDF(bus, PCI_MAX_PCI_DEVICES - 1, |
| 585 | PCI_MAX_PCI_FUNCTIONS - 1); |
| 586 | dev += PCI_BDF(0, 0, 1)) { |
| 587 | |
| 588 | if (PCI_FUNC(dev) && !found_multi) |
| 589 | continue; |
| 590 | |
| 591 | pci_read_config_word(dev, PCI_VENDOR_ID, &id); |
| 592 | |
| 593 | pci_read_config_byte(dev, PCI_HEADER_TYPE, |
| 594 | &header_type); |
| 595 | |
| 596 | if ((id == 0xFFFF) || (id == 0x0000)) |
| 597 | continue; |
| 598 | |
| 599 | if (!PCI_FUNC(dev)) |
| 600 | found_multi = header_type & 0x80; |
| 601 | |
| 602 | streamid = ls_pcie_next_streamid(); |
| 603 | if (streamid == 0xffffffff) { |
| 604 | printf("ERROR: no stream ids free\n"); |
| 605 | continue; |
| 606 | } |
| 607 | |
| 608 | index = ls_pcie_next_lut_index(pcie); |
| 609 | if (index < 0) { |
| 610 | printf("ERROR: no LUT indexes free\n"); |
| 611 | continue; |
| 612 | } |
| 613 | |
| 614 | /* map PCI b.d.f to streamID in LUT */ |
| 615 | ls_pcie_lut_set_mapping(pcie, index, dev >> 8, |
| 616 | streamid); |
| 617 | |
| 618 | /* update msi-map in device tree */ |
| 619 | fdt_pcie_set_msi_map_entry(blob, pcie, dev >> 8, |
| 620 | streamid); |
| 621 | } |
| 622 | } |
| 623 | } |
| 624 | } |
| 625 | #endif |
| 626 | |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 627 | int ls_pcie_init_ctrl(int busno, enum srds_prtcl dev, struct ls_pcie_info *info) |
| 628 | { |
| 629 | struct ls_pcie *pcie; |
| 630 | struct pci_controller *hose; |
| 631 | int num = dev - PCIE1; |
| 632 | pci_dev_t pdev = PCI_BDF(busno, 0, 0); |
| 633 | int i, linkup, ep_mode; |
| 634 | u8 header_type; |
| 635 | u16 temp16; |
| 636 | |
| 637 | if (!is_serdes_configured(dev)) { |
| 638 | printf("PCIe%d: disabled\n", num + 1); |
| 639 | return busno; |
| 640 | } |
| 641 | |
| 642 | pcie = malloc(sizeof(*pcie)); |
| 643 | if (!pcie) |
| 644 | return busno; |
| 645 | memset(pcie, 0, sizeof(*pcie)); |
| 646 | |
| 647 | hose = &pcie->hose; |
| 648 | hose->priv_data = pcie; |
| 649 | hose->first_busno = busno; |
| 650 | pcie->idx = num; |
| 651 | pcie->dbi = map_physmem(info->regs, PCIE_DBI_SIZE, MAP_NOCACHE); |
| 652 | pcie->va_cfg0 = map_physmem(info->cfg0_phys, |
| 653 | info->cfg0_size, |
| 654 | MAP_NOCACHE); |
| 655 | pcie->va_cfg1 = map_physmem(info->cfg1_phys, |
| 656 | info->cfg1_size, |
| 657 | MAP_NOCACHE); |
Stuart Yoder | 45e78ac | 2016-03-10 10:52:30 -0600 | [diff] [blame] | 658 | pcie->next_lut_index = 0; |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 659 | |
| 660 | /* outbound memory */ |
| 661 | pci_set_region(&hose->regions[0], |
| 662 | (pci_size_t)info->mem_bus, |
| 663 | (phys_size_t)info->mem_phys, |
| 664 | (pci_size_t)info->mem_size, |
| 665 | PCI_REGION_MEM); |
| 666 | |
| 667 | /* outbound io */ |
| 668 | pci_set_region(&hose->regions[1], |
| 669 | (pci_size_t)info->io_bus, |
| 670 | (phys_size_t)info->io_phys, |
| 671 | (pci_size_t)info->io_size, |
| 672 | PCI_REGION_IO); |
| 673 | |
| 674 | /* System memory space */ |
| 675 | pci_set_region(&hose->regions[2], |
| 676 | CONFIG_SYS_PCI_MEMORY_BUS, |
| 677 | CONFIG_SYS_PCI_MEMORY_PHYS, |
| 678 | CONFIG_SYS_PCI_MEMORY_SIZE, |
| 679 | PCI_REGION_SYS_MEMORY); |
| 680 | |
| 681 | hose->region_count = 3; |
| 682 | |
| 683 | for (i = 0; i < hose->region_count; i++) |
| 684 | debug("PCI reg:%d %016llx:%016llx %016llx %08lx\n", |
| 685 | i, |
| 686 | (u64)hose->regions[i].phys_start, |
| 687 | (u64)hose->regions[i].bus_start, |
| 688 | (u64)hose->regions[i].size, |
| 689 | hose->regions[i].flags); |
| 690 | |
| 691 | pci_set_ops(hose, |
| 692 | pci_hose_read_config_byte_via_dword, |
| 693 | pci_hose_read_config_word_via_dword, |
| 694 | ls_pcie_read_config, |
| 695 | pci_hose_write_config_byte_via_dword, |
| 696 | pci_hose_write_config_word_via_dword, |
| 697 | ls_pcie_write_config); |
| 698 | |
| 699 | pci_hose_read_config_byte(hose, pdev, PCI_HEADER_TYPE, &header_type); |
| 700 | ep_mode = (header_type & 0x7f) == PCI_HEADER_TYPE_NORMAL; |
| 701 | printf("PCIe%u: %s ", info->pci_num, |
| 702 | ep_mode ? "Endpoint" : "Root Complex"); |
| 703 | |
Minghuan Lian | 5d7d24b | 2015-07-10 11:35:09 +0800 | [diff] [blame] | 704 | if (ep_mode) |
| 705 | ls_pcie_setup_ep(pcie, info); |
| 706 | else |
| 707 | ls_pcie_setup_ctrl(pcie, info); |
| 708 | |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 709 | linkup = ls_pcie_link_up(pcie); |
| 710 | |
| 711 | if (!linkup) { |
| 712 | /* Let the user know there's no PCIe link */ |
| 713 | printf("no link, regs @ 0x%lx\n", info->regs); |
| 714 | hose->last_busno = hose->first_busno; |
| 715 | return busno; |
| 716 | } |
| 717 | |
| 718 | /* Print the negotiated PCIe link width */ |
Minghuan Lian | d225527 | 2015-03-12 10:58:49 +0800 | [diff] [blame] | 719 | pci_hose_read_config_word(hose, pdev, PCIE_LINK_STA, &temp16); |
| 720 | printf("x%d gen%d, regs @ 0x%lx\n", (temp16 & 0x3f0) >> 4, |
| 721 | (temp16 & 0xf), info->regs); |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 722 | |
| 723 | if (ep_mode) |
| 724 | return busno; |
| 725 | |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 726 | pci_register_hose(hose); |
| 727 | |
| 728 | hose->last_busno = pci_hose_scan(hose); |
| 729 | |
| 730 | printf("PCIe%x: Bus %02x - %02x\n", |
| 731 | info->pci_num, hose->first_busno, hose->last_busno); |
| 732 | |
| 733 | return hose->last_busno + 1; |
| 734 | } |
| 735 | |
| 736 | int ls_pcie_init_board(int busno) |
| 737 | { |
| 738 | struct ls_pcie_info info; |
| 739 | |
| 740 | #ifdef CONFIG_PCIE1 |
| 741 | SET_LS_PCIE_INFO(info, 1); |
| 742 | busno = ls_pcie_init_ctrl(busno, PCIE1, &info); |
| 743 | #endif |
| 744 | |
| 745 | #ifdef CONFIG_PCIE2 |
| 746 | SET_LS_PCIE_INFO(info, 2); |
| 747 | busno = ls_pcie_init_ctrl(busno, PCIE2, &info); |
| 748 | #endif |
| 749 | |
| 750 | #ifdef CONFIG_PCIE3 |
| 751 | SET_LS_PCIE_INFO(info, 3); |
| 752 | busno = ls_pcie_init_ctrl(busno, PCIE3, &info); |
| 753 | #endif |
| 754 | |
| 755 | #ifdef CONFIG_PCIE4 |
| 756 | SET_LS_PCIE_INFO(info, 4); |
| 757 | busno = ls_pcie_init_ctrl(busno, PCIE4, &info); |
| 758 | #endif |
| 759 | |
| 760 | return busno; |
| 761 | } |
| 762 | |
| 763 | void pci_init_board(void) |
| 764 | { |
| 765 | ls_pcie_init_board(0); |
| 766 | } |
| 767 | |
Minghuan Lian | a4d6b61 | 2014-10-31 13:43:44 +0800 | [diff] [blame] | 768 | #ifdef CONFIG_OF_BOARD_SETUP |
| 769 | #include <libfdt.h> |
| 770 | #include <fdt_support.h> |
| 771 | |
| 772 | static void ft_pcie_ls_setup(void *blob, const char *pci_compat, |
| 773 | unsigned long ctrl_addr, enum srds_prtcl dev) |
| 774 | { |
| 775 | int off; |
| 776 | |
| 777 | off = fdt_node_offset_by_compat_reg(blob, pci_compat, |
| 778 | (phys_addr_t)ctrl_addr); |
| 779 | if (off < 0) |
| 780 | return; |
| 781 | |
| 782 | if (!is_serdes_configured(dev)) |
| 783 | fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0); |
| 784 | } |
| 785 | |
Minghuan Lian | 0c53524 | 2015-03-12 10:58:48 +0800 | [diff] [blame] | 786 | void ft_pci_setup(void *blob, bd_t *bd) |
Minghuan Lian | a4d6b61 | 2014-10-31 13:43:44 +0800 | [diff] [blame] | 787 | { |
| 788 | #ifdef CONFIG_PCIE1 |
| 789 | ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE1_ADDR, PCIE1); |
| 790 | #endif |
| 791 | |
| 792 | #ifdef CONFIG_PCIE2 |
| 793 | ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE2_ADDR, PCIE2); |
| 794 | #endif |
Minghuan Lian | fdab545 | 2015-01-21 17:29:20 +0800 | [diff] [blame] | 795 | |
| 796 | #ifdef CONFIG_PCIE3 |
| 797 | ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE3_ADDR, PCIE3); |
| 798 | #endif |
| 799 | |
| 800 | #ifdef CONFIG_PCIE4 |
| 801 | ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE4_ADDR, PCIE4); |
| 802 | #endif |
Stuart Yoder | 45e78ac | 2016-03-10 10:52:30 -0600 | [diff] [blame] | 803 | |
| 804 | #ifdef CONFIG_FSL_LSCH3 |
| 805 | fdt_fixup_pcie(blob); |
| 806 | #endif |
Minghuan Lian | a4d6b61 | 2014-10-31 13:43:44 +0800 | [diff] [blame] | 807 | } |
| 808 | |
| 809 | #else |
Minghuan Lian | 0c53524 | 2015-03-12 10:58:48 +0800 | [diff] [blame] | 810 | void ft_pci_setup(void *blob, bd_t *bd) |
Minghuan Lian | a4d6b61 | 2014-10-31 13:43:44 +0800 | [diff] [blame] | 811 | { |
| 812 | } |
| 813 | #endif |