This patch adds support for MPC83xx PCI-E controllers in Root Complex mode.

The patch is based on Tony Li and Dave Liu work[1].

Though unlike the original patch, by default we don't register PCI-E buses for use in U-Boot, we only configure the controllers for future use in other OSes (Linux). This is done because we don't have enough of spare BATs to map all the PCI-E regions.

To actually use PCI-E in U-Boot, users should explicitly define CONFIG_83XX_GENERIC_PCIE_REGISTER_HOSES symbol in the board file. And only then U-Boot will able to access PCI-E, but at the cost of disabled address translation.

[1] http://lists.denx.de/pipermail/u-boot/2008-January/027630.html

Signed-off-by: Tony Li tony.li@freescale.com Signed-off-by: Anton Vorontsov avorontsov@ru.mvista.com --- cpu/mpc83xx/Makefile | 1 + cpu/mpc83xx/pcie.c | 314 +++++++++++++++++++++++++++++++++++++++++ cpu/mpc83xx/speed.c | 4 +- include/asm-ppc/global_data.h | 2 +- include/asm-ppc/immap_83xx.h | 119 +++++++++++++++- include/mpc83xx.h | 67 +++++++-- include/pci.h | 4 + 7 files changed, 488 insertions(+), 23 deletions(-) create mode 100644 cpu/mpc83xx/pcie.c

diff --git a/cpu/mpc83xx/Makefile b/cpu/mpc83xx/Makefile index fcb6a52..dd35e6b 100644 --- a/cpu/mpc83xx/Makefile +++ b/cpu/mpc83xx/Makefile @@ -39,6 +39,7 @@ COBJS-y += ecc.o COBJS-$(CONFIG_QE) += qe_io.o COBJS-$(CONFIG_FSL_SERDES) += serdes.o COBJS-$(CONFIG_83XX_GENERIC_PCI) += pci.o +COBJS-$(CONFIG_83XX_GENERIC_PCIE) += pcie.o COBJS-$(CONFIG_OF_LIBFDT) += fdt.o

COBJS := $(COBJS-y) diff --git a/cpu/mpc83xx/pcie.c b/cpu/mpc83xx/pcie.c new file mode 100644 index 0000000..02150ba --- /dev/null +++ b/cpu/mpc83xx/pcie.c @@ -0,0 +1,314 @@ +/* + * Copyright (C) 2007-2009 Freescale Semiconductor, Inc. + * Copyright (C) 2008-2009 MontaVista Software, Inc. + * + * Authors: Tony Li tony.li@freescale.com + * Anton Vorontsov avorontsov@ru.mvista.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <pci.h> +#include <mpc83xx.h> +#include <asm/io.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define PCIE_MAX_BUSES 2 + +#ifdef CONFIG_83XX_GENERIC_PCIE_REGISTER_HOSES + +static int mpc83xx_pcie_remap_cfg(struct pci_controller *hose, pci_dev_t dev) +{ + int bus = PCI_BUS(dev) - hose->first_busno; + immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; + pex83xx_t *pex = &immr->pciexp[bus]; + struct pex_outbound_window *out_win = &pex->bridge.pex_outbound_win[0]; + u8 devfn = PCI_DEV(dev) << 3 | PCI_FUNC(dev); + u32 dev_base = bus << 24 | devfn << 16; + + if (hose->indirect_type == INDIRECT_TYPE_NO_PCIE_LINK) + return -1; + /* + * Workaround for the HW bug: for Type 0 configure transactions the + * PCI-E controller does not check the device number bits and just + * assumes that the device number bits are 0. + */ + if (devfn & 0xf8) + return -1; + + out_le32(&out_win->tarl, dev_base); + return 0; +} + +#define cfg_read(val, addr, type, op) \ + do { *val = op((type)(addr)); } while (0) +#define cfg_write(val, addr, type, op) \ + do { op((type *)(addr), (val)); } while (0) + +#define PCIE_OP(rw, size, type, op) \ +static int pcie_##rw##_config_##size(struct pci_controller *hose, \ + pci_dev_t dev, int offset, \ + type val) \ +{ \ + int ret; \ + \ + ret = mpc83xx_pcie_remap_cfg(hose, dev); \ + if (ret) \ + return ret; \ + cfg_##rw(val, (void *)hose->cfg_addr + offset, type, op); \ + return 0; \ +} + +PCIE_OP(read, byte, u8 *, in_8) +PCIE_OP(read, word, u16 *, in_le16) +PCIE_OP(read, dword, u32 *, in_le32) +PCIE_OP(write, byte, u8, out_8) +PCIE_OP(write, word, u16, out_le16) +PCIE_OP(write, dword, u32, out_le32) + +static void mpc83xx_pcie_register_hose(int bus, struct pci_region *reg, + u8 link) +{ + extern void disable_addr_trans(void); /* start.S */ + static struct pci_controller pcie_hose[PCIE_MAX_BUSES]; + static int max_bus; + struct pci_controller *hose = &pcie_hose[bus]; + int i; + + /* + * There are no spare BATs to remap all PCI-E windows for U-Boot, so + * disable translations. In general, this is not great solution, and + * that's why we don't register PCI-E hoses by default. + */ + disable_addr_trans(); + + for (i = 0; i < 2; i++, reg++) { + if (reg->size == 0) + break; + + hose->regions[i] = *reg; + hose->region_count++; + } + + i = hose->region_count++; + hose->regions[i].bus_start = 0; + hose->regions[i].phys_start = 0; + hose->regions[i].size = gd->ram_size; + hose->regions[i].flags = PCI_REGION_MEM | PCI_REGION_MEMORY; + + i = hose->region_count++; + hose->regions[i].bus_start = CONFIG_SYS_IMMR; + hose->regions[i].phys_start = CONFIG_SYS_IMMR; + hose->regions[i].size = 0x100000; + hose->regions[i].flags = PCI_REGION_MEM | PCI_REGION_MEMORY; + + hose->first_busno = max_bus; + hose->last_busno = 0xff; + + if (bus == 0) + hose->cfg_addr = (unsigned int *)CONFIG_SYS_PCIE1_CFG_BASE; + else + hose->cfg_addr = (unsigned int *)CONFIG_SYS_PCIE2_CFG_BASE; + + pci_set_ops(hose, + pcie_read_config_byte, + pcie_read_config_word, + pcie_read_config_dword, + pcie_write_config_byte, + pcie_write_config_word, + pcie_write_config_dword); + + if (!link) + hose->indirect_type = INDIRECT_TYPE_NO_PCIE_LINK; + + pci_register_hose(hose); + +#ifdef CONFIG_PCI_SCAN_SHOW + printf("PCI: Bus Dev VenId DevId Class Int\n"); +#endif + /* + * Hose scan. + */ + hose->last_busno = pci_hose_scan(hose); + max_bus = hose->last_busno + 1; +} + +#else + +static void mpc83xx_pcie_register_hose(int bus, struct pci_region *reg, + u8 link) {} + +#endif /* CONFIG_83XX_GENERIC_PCIE_REGISTER_HOSES */ + +static void mpc83xx_pcie_init_bus(int bus, struct pci_region *reg) +{ + immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; + pex83xx_t *pex = &immr->pciexp[bus]; + struct pex_outbound_window *out_win; + struct pex_inbound_window *in_win; + void *hose_cfg_base; + unsigned int ram_sz; + unsigned int barl; + unsigned int tar; + u16 reg16; + int i; + + /* Enable pex csb bridge inbound & outbound transactions */ + out_le32(&pex->bridge.pex_csb_ctrl, + in_le32(&pex->bridge.pex_csb_ctrl) | PEX_CSB_CTRL_OBPIOE | + PEX_CSB_CTRL_IBPIOE); + + /* Enable bridge outbound */ + out_le32(&pex->bridge.pex_csb_obctrl, PEX_CSB_OBCTRL_PIOE | + PEX_CSB_OBCTRL_MEMWE | PEX_CSB_OBCTRL_IOWE | + PEX_CSB_OBCTRL_CFGWE); + + out_win = &pex->bridge.pex_outbound_win[0]; + if (bus) { + out_le32(&out_win->ar, PEX_OWAR_EN | PEX_OWAR_TYPE_CFG | + CONFIG_SYS_PCIE2_CFG_SIZE); + out_le32(&out_win->bar, CONFIG_SYS_PCIE2_CFG_BASE); + } else { + out_le32(&out_win->ar, PEX_OWAR_EN | PEX_OWAR_TYPE_CFG | + CONFIG_SYS_PCIE1_CFG_SIZE); + out_le32(&out_win->bar, CONFIG_SYS_PCIE1_CFG_BASE); + } + out_le32(&out_win->tarl, 0); + out_le32(&out_win->tarh, 0); + + for (i = 0; i < 2; i++, reg++) { + u32 ar; + + if (reg->size == 0) + break; + + out_win = &pex->bridge.pex_outbound_win[i + 1]; + out_le32(&out_win->bar, reg->phys_start); + out_le32(&out_win->tarl, reg->bus_start); + out_le32(&out_win->tarh, 0); + ar = PEX_OWAR_EN | (reg->size & PEX_OWAR_SIZE); + if (reg->flags & PCI_REGION_IO) + ar |= PEX_OWAR_TYPE_IO; + else + ar |= PEX_OWAR_TYPE_MEM; + out_le32(&out_win->ar, ar); + } + + out_le32(&pex->bridge.pex_csb_ibctrl, PEX_CSB_IBCTRL_PIOE); + + ram_sz = gd->ram_size; + barl = 0; + tar = 0; + i = 0; + while (ram_sz > 0) { + in_win = &pex->bridge.pex_inbound_win[i]; + out_le32(&in_win->barl, barl); + out_le32(&in_win->barh, 0x0); + out_le32(&in_win->tar, tar); + if (ram_sz >= 0x10000000) { + /* The maxium windows size is 256M */ + out_le32(&in_win->ar, PEX_IWAR_EN | PEX_IWAR_NSOV | + PEX_IWAR_TYPE_PF | 0x0FFFF000); + barl += 0x10000000; + tar += 0x10000000; + ram_sz -= 0x10000000; + } else { + /* The UM is not clear here. + * So, round up to even Mb boundary */ + + ram_sz = ram_sz >> (20 + + ((ram_sz & 0xFFFFF) ? 1 : 0)); + if (!(ram_sz % 2)) + ram_sz -= 1; + out_le32(&in_win->ar, PEX_IWAR_EN | PEX_IWAR_NSOV | + PEX_IWAR_TYPE_PF | (ram_sz << 20) | 0xFF000); + ram_sz = 0; + } + i++; + } + + in_win = &pex->bridge.pex_inbound_win[i]; + out_le32(&in_win->barl, CONFIG_SYS_IMMR); + out_le32(&in_win->barh, 0); + out_le32(&in_win->tar, CONFIG_SYS_IMMR); + out_le32(&in_win->ar, PEX_IWAR_EN | + PEX_IWAR_TYPE_NO_PF | PEX_IWAR_SIZE_1M); + + /* Enable the host virtual INTX interrupts */ + out_le32(&pex->bridge.pex_int_axi_misc_enb, + in_le32(&pex->bridge.pex_int_axi_misc_enb) | 0x1E0); + + /* Hose configure header is memory-mapped */ + hose_cfg_base = (void *)pex; + + get_clocks(); + /* Configure the PCIE controller core clock ratio */ + out_le32(hose_cfg_base + PEX_GCLK_RATIO, + (((bus ? gd->pciexp2_clk : gd->pciexp1_clk) / 1000000) * 16) + / 333); + udelay(1000000); + + /* Do Type 1 bridge configuration */ + out_8(hose_cfg_base + PCI_PRIMARY_BUS, 0); + out_8(hose_cfg_base + PCI_SECONDARY_BUS, 1); + out_8(hose_cfg_base + PCI_SUBORDINATE_BUS, 255); + + /* + * Write to Command register + */ + reg16 = in_le16(hose_cfg_base + PCI_COMMAND); + reg16 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO | + PCI_COMMAND_SERR | PCI_COMMAND_PARITY; + out_le16(hose_cfg_base + PCI_COMMAND, reg16); + + /* + * Clear non-reserved bits in status register. + */ + out_le16(hose_cfg_base + PCI_STATUS, 0xffff); + out_8(hose_cfg_base + PCI_LATENCY_TIMER, 0x80); + out_8(hose_cfg_base + PCI_CACHE_LINE_SIZE, 0x08); + + printf("PCIE%d: ", bus); + + reg16 = in_le16(hose_cfg_base + PCI_LTSSM); + if (reg16 >= PCI_LTSSM_L0) + printf("link\n"); + else + printf("No link\n"); + + mpc83xx_pcie_register_hose(bus, reg, reg16 >= PCI_LTSSM_L0); +} + +/* + * The caller must have already set SCCR, SERDES and the PCIE_LAW BARs + * must have been set to cover all of the requested regions. + */ +void mpc83xx_pcie_init(int num_buses, struct pci_region **reg, int warmboot) +{ + int i; + + /* + * Release PCI RST Output signal. + * Power on to RST high must be at least 100 ms as per PCI spec. + * On warm boots only 1 ms is required. + */ + udelay(warmboot ? 1000 : 100000); + + for (i = 0; i < num_buses; i++) + mpc83xx_pcie_init_bus(i, reg[i]); +} diff --git a/cpu/mpc83xx/speed.c b/cpu/mpc83xx/speed.c index bf9bf36..4230099 100644 --- a/cpu/mpc83xx/speed.c +++ b/cpu/mpc83xx/speed.c @@ -132,7 +132,7 @@ int get_clocks(void) u32 qe_clk; u32 brg_clk; #endif -#if defined(CONFIG_MPC837X) +#if defined(CONFIG_MPC837X) || defined(CONFIG_MPC831X) u32 pciexp1_clk; u32 pciexp2_clk; #endif @@ -328,7 +328,7 @@ int get_clocks(void) i2c2_clk = csb_clk; /* i2c-2 clk is equal to csb clk */ #endif

-#if defined(CONFIG_MPC837X) +#if defined(CONFIG_MPC837X) || defined(CONFIG_MPC831X) switch ((sccr & SCCR_PCIEXP1CM) >> SCCR_PCIEXP1CM_SHIFT) { case 0: pciexp1_clk = 0; diff --git a/include/asm-ppc/global_data.h b/include/asm-ppc/global_data.h index 2bb50b4..e5a3b2c 100644 --- a/include/asm-ppc/global_data.h +++ b/include/asm-ppc/global_data.h @@ -75,7 +75,7 @@ typedef struct global_data { u32 lbiu_clk; u32 lclk_clk; u32 pci_clk; -#if defined(CONFIG_MPC837X) +#if defined(CONFIG_MPC837X) || defined(CONFIG_MPC831X) u32 pciexp1_clk; u32 pciexp2_clk; #endif diff --git a/include/asm-ppc/immap_83xx.h b/include/asm-ppc/immap_83xx.h index df24a6e..77c09db 100644 --- a/include/asm-ppc/immap_83xx.h +++ b/include/asm-ppc/immap_83xx.h @@ -52,23 +52,28 @@ typedef struct sysconf83xx { law83xx_t lblaw[4]; /* LBIU local access window */ u8 res2[0x20]; law83xx_t pcilaw[2]; /* PCI local access window */ - u8 res3[0x30]; + u8 res3[0x10]; + law83xx_t pcielaw[2]; /* PCI Express local access window */ + u8 res4[0x10]; law83xx_t ddrlaw[2]; /* DDR local access window */ - u8 res4[0x50]; + u8 res5[0x50]; u32 sgprl; /* System General Purpose Register Low */ u32 sgprh; /* System General Purpose Register High */ u32 spridr; /* System Part and Revision ID Register */ - u8 res5[0x04]; + u8 res6[0x04]; u32 spcr; /* System Priority Configuration Register */ u32 sicrl; /* System I/O Configuration Register Low */ u32 sicrh; /* System I/O Configuration Register High */ - u8 res6[0x04]; + u8 res7[0x04]; u32 sidcr0; /* System I/O Delay Configuration Register 0 */ u32 sidcr1; /* System I/O Delay Configuration Register 1 */ u32 ddrcdr; /* DDR Control Driver Register */ u32 ddrdsr; /* DDR Debug Status Register */ u32 obir; /* Output Buffer Impedance Register */ - u8 res7[0xCC]; + u8 res8[0xC]; + u32 pecr1; /* PCI Express control register 1 */ + u32 pecr2; /* PCI Express control register 2 */ + u8 res9[0xB8]; } sysconf83xx_t;

/* @@ -503,8 +508,110 @@ typedef struct security83xx { /* * PCI Express */ +struct pex_inbound_window { + u32 ar; + u32 tar; + u32 barl; + u32 barh; +}; + +struct pex_outbound_window { + u32 ar; + u32 bar; + u32 tarl; + u32 tarh; +}; + +struct pex_csb_bridge { + u32 pex_csb_ver; + u32 pex_csb_cab; + u32 pex_csb_ctrl; + u8 res0[8]; + u32 pex_dms_dstmr; + u8 res1[4]; + u32 pex_cbs_stat; + u8 res2[0x20]; + u32 pex_csb_obctrl; + u32 pex_csb_obstat; + u8 res3[0x98]; + u32 pex_csb_ibctrl; + u32 pex_csb_ibstat; + u8 res4[0xb8]; + u32 pex_wdma_ctrl; + u32 pex_wdma_addr; + u32 pex_wdma_stat; + u8 res5[0x94]; + u32 pex_rdma_ctrl; + u32 pex_rdma_addr; + u32 pex_rdma_stat; + u8 res6[0xd4]; + u32 pex_ombcr; + u32 pex_ombdr; + u8 res7[0x38]; + u32 pex_imbcr; + u32 pex_imbdr; + u8 res8[0x38]; + u32 pex_int_enb; + u32 pex_int_stat; + u32 pex_int_apio_vec1; + u32 pex_int_apio_vec2; + u8 res9[0x10]; + u32 pex_int_ppio_vec1; + u32 pex_int_ppio_vec2; + u32 pex_int_wdma_vec1; + u32 pex_int_wdma_vec2; + u32 pex_int_rdma_vec1; + u32 pex_int_rdma_vec2; + u32 pex_int_misc_vec; + u8 res10[4]; + u32 pex_int_axi_pio_enb; + u32 pex_int_axi_wdma_enb; + u32 pex_int_axi_rdma_enb; + u32 pex_int_axi_misc_enb; + u32 pex_int_axi_pio_stat; + u32 pex_int_axi_wdma_stat; + u32 pex_int_axi_rdma_stat; + u32 pex_int_axi_misc_stat; + u8 res11[0xa0]; + struct pex_outbound_window pex_outbound_win[4]; + u8 res12[0x100]; + u32 pex_epiwtar0; + u32 pex_epiwtar1; + u32 pex_epiwtar2; + u32 pex_epiwtar3; + u8 res13[0x70]; + struct pex_inbound_window pex_inbound_win[4]; +}; + typedef struct pex83xx { - u8 fixme[0x1000]; + u8 pex_cfg_header[0x404]; + u32 pex_ltssm_stat; + u8 res0[0x30]; + u32 pex_ack_replay_timeout; + u8 res1[4]; + u32 pex_gclk_ratio; + u8 res2[0xc]; + u32 pex_pm_timer; + u32 pex_pme_timeout; + u8 res3[4]; + u32 pex_aspm_req_timer; + u8 res4[0x18]; + u32 pex_ssvid_update; + u8 res5[0x34]; + u32 pex_cfg_ready; + u8 res6[0x24]; + u32 pex_bar_sizel; + u8 res7[4]; + u32 pex_bar_sel; + u8 res8[0x20]; + u32 pex_bar_pf; + u8 res9[0x88]; + u32 pex_pme_to_ack_tor; + u8 res10[0xc]; + u32 pex_ss_intr_mask; + u8 res11[0x25c]; + struct pex_csb_bridge bridge; + u8 res12[0x160]; } pex83xx_t;

/* diff --git a/include/mpc83xx.h b/include/mpc83xx.h index 43553f5..db571fe 100644 --- a/include/mpc83xx.h +++ b/include/mpc83xx.h @@ -751,9 +751,6 @@ #define SCCR_USBDRCM_2 0x00800000 #define SCCR_USBDRCM_3 0x00c00000

-#define SCCR_PCIEXP1CM 0x00300000 -#define SCCR_PCIEXP2CM 0x000c0000 - #define SCCR_SATA1CM 0x00003000 #define SCCR_SATA1CM_SHIFT 12 #define SCCR_SATACM 0x00003c00 @@ -800,6 +797,17 @@ #define SCCR_USBDRCM_2 0x00800000 #define SCCR_USBDRCM_3 0x00c00000

+/* All of the four SATA controllers must have the same clock ratio */ +#define SCCR_SATA1CM 0x000000c0 +#define SCCR_SATA1CM_SHIFT 6 +#define SCCR_SATACM 0x000000ff +#define SCCR_SATACM_SHIFT 0 +#define SCCR_SATACM_0 0x00000000 +#define SCCR_SATACM_1 0x00000055 +#define SCCR_SATACM_2 0x000000aa +#define SCCR_SATACM_3 0x000000ff +#endif + #define SCCR_PCIEXP1CM 0x00300000 #define SCCR_PCIEXP1CM_SHIFT 20 #define SCCR_PCIEXP1CM_0 0x00000000 @@ -814,17 +822,6 @@ #define SCCR_PCIEXP2CM_2 0x00080000 #define SCCR_PCIEXP2CM_3 0x000c0000

-/* All of the four SATA controllers must have the same clock ratio */ -#define SCCR_SATA1CM 0x000000c0 -#define SCCR_SATA1CM_SHIFT 6 -#define SCCR_SATACM 0x000000ff -#define SCCR_SATACM_SHIFT 0 -#define SCCR_SATACM_0 0x00000000 -#define SCCR_SATACM_1 0x00000055 -#define SCCR_SATACM_2 0x000000aa -#define SCCR_SATACM_3 0x000000ff -#endif - /* CSn_BDNS - Chip Select memory Bounds Register */ #define CSBNDS_SA 0x00FF0000 @@ -1170,9 +1167,51 @@ #define DDRCDR_M_ODR 0x00000002 #define DDRCDR_Q_DRN 0x00000001

+/* PCIE Bridge Register + */ +#define PEX_CSB_CTRL_OBPIOE 0x00000001 +#define PEX_CSB_CTRL_IBPIOE 0x00000002 +#define PEX_CSB_CTRL_WDMAE 0x00000004 +#define PEX_CSB_CTRL_RDMAE 0x00000008 + +#define PEX_CSB_OBCTRL_PIOE 0x00000001 +#define PEX_CSB_OBCTRL_MEMWE 0x00000002 +#define PEX_CSB_OBCTRL_IOWE 0x00000004 +#define PEX_CSB_OBCTRL_CFGWE 0x00000008 + +#define PEX_CSB_IBCTRL_PIOE 0x00000001 + +#define PEX_OWAR_EN 0x00000001 +#define PEX_OWAR_TYPE_CFG 0x00000000 +#define PEX_OWAR_TYPE_IO 0x00000002 +#define PEX_OWAR_TYPE_MEM 0x00000004 +#define PEX_OWAR_RLXO 0x00000008 +#define PEX_OWAR_NANP 0x00000010 +#define PEX_OWAR_SIZE 0xFFFFF000 + +#define PEX_IWAR_EN 0x00000001 +#define PEX_IWAR_TYPE_INT 0x00000000 +#define PEX_IWAR_TYPE_PF 0x00000004 +#define PEX_IWAR_TYPE_NO_PF 0x00000006 +#define PEX_IWAR_NSOV 0x00000008 +#define PEX_IWAR_NSNP 0x00000010 +#define PEX_IWAR_SIZE 0xFFFFF000 +#define PEX_IWAR_SIZE_1M 0x000FF000 +#define PEX_IWAR_SIZE_2M 0x001FF000 +#define PEX_IWAR_SIZE_4M 0x003FF000 +#define PEX_IWAR_SIZE_8M 0x007FF000 +#define PEX_IWAR_SIZE_16M 0x00FFF000 +#define PEX_IWAR_SIZE_32M 0x01FFF000 +#define PEX_IWAR_SIZE_64M 0x03FFF000 +#define PEX_IWAR_SIZE_128M 0x07FFF000 +#define PEX_IWAR_SIZE_256M 0x0FFFF000 + +#define PEX_GCLK_RATIO 0x440 + #ifndef __ASSEMBLY__ struct pci_region; void mpc83xx_pci_init(int num_buses, struct pci_region **reg, int warmboot); +void mpc83xx_pcie_init(int num_buses, struct pci_region **reg, int warmboot); #endif

#endif /* __MPC83XX_H__ */ diff --git a/include/pci.h b/include/pci.h index eebe8a8..072273b 100644 --- a/include/pci.h +++ b/include/pci.h @@ -382,6 +382,8 @@ extern void pci_cfgfunc_config_device(struct pci_controller* hose, pci_dev_t dev

#define MAX_PCI_REGIONS 7

+#define INDIRECT_TYPE_NO_PCIE_LINK 1 + /* * Structure of a PCI controller (host bridge) */ @@ -394,6 +396,8 @@ struct pci_controller { volatile unsigned int *cfg_addr; volatile unsigned char *cfg_data;

+ int indirect_type; + struct pci_region regions[MAX_PCI_REGIONS]; int region_count;