/* * This file is part of the coreboot project. * * Copyright (C) 2006 AMD * Written by Yinghai Lu for AMD. * * 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. */ #include #include #include #ifdef UNUSED_CODE int set_ht_link_buffer_counts_chain(u8 ht_c_num, unsigned vendorid, unsigned val); static int set_ht_link_mcp55(u8 ht_c_num) { unsigned vendorid = 0x10de; unsigned val = 0x01610109; /* NVIDIA MCP55 hardcode, hardware can not set it automatically. */ return set_ht_link_buffer_counts_chain(ht_c_num, vendorid, val); } static void setup_ss_table(unsigned index, unsigned where, unsigned control, const unsigned int *register_values, int max) { int i; unsigned val; val = inl(control); val &= 0xfffffffe; outl(val, control); outl(0, index); /* Index */ for (i = 0; i < max; i++) { unsigned long reg; reg = register_values[i]; outl(reg, where); } val = inl(control); val |= 1; outl(val, control); } #endif /* SIZE 0x100 */ #define ANACTRL_IO_BASE 0x2800 #define ANACTRL_REG_POS 0x68 /* SIZE 0x100 */ #define SYSCTRL_IO_BASE 0x2400 #define SYSCTRL_REG_POS 0x64 /* SIZE 0x100 */ #define ACPICTRL_IO_BASE 0x2000 #define ACPICTRL_REG_POS 0x60 /* * 16 1 1 1 1 8 :0 * 16 0 4 0 0 8 :1 * 16 0 4 2 2 4 :2 * 4 4 4 4 4 8 :3 * 8 8 4 0 0 8 :4 * 8 0 4 4 4 8 :5 */ #define MCP55_CHIP_REV 3 /* There will be implicit offsets applied, the writes below do not * really happen at the PCI_ADDR() this expands to. */ #define MCP55_DEV(d, f, r) PCI_ADDR(0, d, f, r) static void mcp55_early_set_port(unsigned mcp55_num, unsigned *busn, unsigned *devn, unsigned *io_base) { static const unsigned int ctrl_devport_conf[] = { MCP55_DEV(1, 1, ANACTRL_REG_POS), ~(0x0000ff00), ANACTRL_IO_BASE, MCP55_DEV(1, 1, SYSCTRL_REG_POS), ~(0x0000ff00), SYSCTRL_IO_BASE, MCP55_DEV(1, 1, ACPICTRL_REG_POS), ~(0x0000ff00), ACPICTRL_IO_BASE, }; int j; for (j = 0; j < mcp55_num; j++) { setup_resource_map_offset(ctrl_devport_conf, ARRAY_SIZE(ctrl_devport_conf), PCI_DEV(busn[j], devn[j], 0), io_base[j]); } } static void mcp55_early_clear_port(unsigned mcp55_num, unsigned *busn, unsigned *devn, unsigned *io_base) { static const unsigned int ctrl_devport_conf_clear[] = { MCP55_DEV(1, 1, ANACTRL_REG_POS), ~(0x0000ff00), 0, MCP55_DEV(1, 1, SYSCTRL_REG_POS), ~(0x0000ff00), 0, MCP55_DEV(1, 1, ACPICTRL_REG_POS), ~(0x0000ff00), 0, }; int j; for (j = 0; j < mcp55_num; j++) { setup_resource_map_offset(ctrl_devport_conf_clear, ARRAY_SIZE(ctrl_devport_conf_clear), PCI_DEV(busn[j], devn[j], 0), io_base[j]); } } static void mcp55_early_pcie_setup(unsigned busnx, unsigned devnx, unsigned anactrl_io_base, unsigned pci_e_x) { u32 tgio_ctrl, pll_ctrl, dword; int i; pci_devfn_t dev; dev = PCI_DEV(busnx, devnx + 1, 1); dword = pci_read_config32(dev, 0xe4); dword |= 0x3f0; /* Disable it at first. */ pci_write_config32(dev, 0xe4, dword); for (i = 0; i < 3; i++) { tgio_ctrl = inl(anactrl_io_base + 0xcc); tgio_ctrl &= ~(3 << 9); tgio_ctrl |= (i << 9); outl(tgio_ctrl, anactrl_io_base + 0xcc); pll_ctrl = inl(anactrl_io_base + 0x30); pll_ctrl |= (1 << 31); outl(pll_ctrl, anactrl_io_base + 0x30); do { pll_ctrl = inl(anactrl_io_base + 0x30); } while (!(pll_ctrl & 1)); } tgio_ctrl = inl(anactrl_io_base + 0xcc); tgio_ctrl &= ~((7 << 4) | (1 << 8)); tgio_ctrl |= (pci_e_x << 4) | (1 << 8); outl(tgio_ctrl, anactrl_io_base + 0xcc); udelay(100); /* Wait 100us. */ dword = pci_read_config32(dev, 0xe4); dword &= ~(0x3f0); /* Enable. */ pci_write_config32(dev, 0xe4, dword); mdelay(100); /* Need to wait 100ms. */ } static void mcp55_early_setup(unsigned mcp55_num, unsigned *busn, unsigned *devn, unsigned *io_base, unsigned *pci_e_x) { static const unsigned int ctrl_conf_1[] = { RES_PORT_IO_32, ACPICTRL_IO_BASE + 0x10, 0x0007ffff, 0xff78000, RES_PORT_IO_32, ACPICTRL_IO_BASE + 0xa4, 0xffedffff, 0x0012000, RES_PORT_IO_32, ACPICTRL_IO_BASE + 0xac, 0xfffffdff, 0x0000200, RES_PORT_IO_32, ACPICTRL_IO_BASE + 0xb4, 0xfffffffd, 0x0000002, RES_PORT_IO_32, ANACTRL_IO_BASE + 0x24, 0xc0f0f08f, 0x26020230, RES_PORT_IO_32, ANACTRL_IO_BASE + 0x34, 0x00000000, 0x22222222, RES_PORT_IO_32, ANACTRL_IO_BASE + 0x08, 0x7FFFFFFF, 0x00000000, RES_PORT_IO_32, ANACTRL_IO_BASE + 0x2C, 0x7FFFFFFF, 0x80000000, RES_PORT_IO_32, ANACTRL_IO_BASE + 0xCC, 0xFFFFF9FF, 0x00000000, RES_PORT_IO_32, ANACTRL_IO_BASE + 0x30, 0x8FFFFFFF, 0x40000000, RES_PORT_IO_32, ANACTRL_IO_BASE + 0xCC, 0xFFFFF9FF, 0x00000200, RES_PORT_IO_32, ANACTRL_IO_BASE + 0x30, 0x8FFFFFFF, 0x40000000, RES_PORT_IO_32, ANACTRL_IO_BASE + 0xCC, 0xFFFFF9FF, 0x00000400, RES_PORT_IO_32, ANACTRL_IO_BASE + 0x30, 0x8FFFFFFF, 0x40000000, RES_PORT_IO_32, ANACTRL_IO_BASE + 0x74, 0xFFFF0FF5, 0x0000F000, RES_PORT_IO_32, ANACTRL_IO_BASE + 0x78, 0xFF00FF00, 0x00100010, RES_PORT_IO_32, ANACTRL_IO_BASE + 0x7C, 0xFF0FF0FF, 0x00500500, RES_PORT_IO_32, ANACTRL_IO_BASE + 0x80, 0xFFFFFFE7, 0x00000000, RES_PORT_IO_32, ANACTRL_IO_BASE + 0x60, 0xFFCFFFFF, 0x00300000, RES_PORT_IO_32, ANACTRL_IO_BASE + 0x90, 0xFFFF00FF, 0x0000FF00, RES_PORT_IO_32, ANACTRL_IO_BASE + 0x9C, 0xFF00FFFF, 0x00070000, RES_PCI_IO, MCP55_DEV(0, 0, 0x40), 0x00000000, 0xCB8410DE, RES_PCI_IO, MCP55_DEV(0, 0, 0x48), 0xFFFFDCED, 0x00002002, RES_PCI_IO, MCP55_DEV(0, 0, 0x78), 0xFFFFFF8E, 0x00000011, RES_PCI_IO, MCP55_DEV(0, 0, 0x80), 0xFFFF0000, 0x00009923, RES_PCI_IO, MCP55_DEV(0, 0, 0x88), 0xFFFFFFFE, 0x00000000, RES_PCI_IO, MCP55_DEV(0, 0, 0x8C), 0xFFFF0000, 0x0000007F, RES_PCI_IO, MCP55_DEV(0, 0, 0xDC), 0xFFFEFFFF, 0x00010000, RES_PCI_IO, MCP55_DEV(1, 0, 0x40), 0x00000000, 0xCB8410DE, RES_PCI_IO, MCP55_DEV(1, 0, 0x74), 0xFFFFFF7B, 0x00000084, RES_PCI_IO, MCP55_DEV(1, 0, 0xF8), 0xFFFFFFCF, 0x00000010, RES_PCI_IO, MCP55_DEV(1, 1, 0xC4), 0xFFFFFFFE, 0x00000001, RES_PCI_IO, MCP55_DEV(1, 1, 0xF0), 0x7FFFFFFD, 0x00000002, RES_PCI_IO, MCP55_DEV(1, 1, 0xF8), 0xFFFFFFCF, 0x00000010, RES_PCI_IO, MCP55_DEV(8, 0, 0x40), 0x00000000, 0xCB8410DE, RES_PCI_IO, MCP55_DEV(8, 0, 0x68), 0xFFFFFF00, 0x000000FF, RES_PCI_IO, MCP55_DEV(8, 0, 0xF8), 0xFFFFFFBF, 0x00000040, /* Enable bridge mode. */ RES_PCI_IO, MCP55_DEV(9, 0, 0x40), 0x00000000, 0xCB8410DE, RES_PCI_IO, MCP55_DEV(9, 0, 0x68), 0xFFFFFF00, 0x000000FF, RES_PCI_IO, MCP55_DEV(9, 0, 0xF8), 0xFFFFFFBF, 0x00000040, /* Enable bridge mode. */ }; static const unsigned int ctrl_conf_1_1[] = { RES_PCI_IO, MCP55_DEV(5, 0, 0x40), 0x00000000, 0xCB8410DE, RES_PCI_IO, MCP55_DEV(5, 0, 0x50), 0xFFFFFFFC, 0x00000003, RES_PCI_IO, MCP55_DEV(5, 0, 0x64), 0xFFFFFFFE, 0x00000001, RES_PCI_IO, MCP55_DEV(5, 0, 0x70), 0xFFF0FFFF, 0x00040000, RES_PCI_IO, MCP55_DEV(5, 0, 0xAC), 0xFFFFF0FF, 0x00000100, RES_PCI_IO, MCP55_DEV(5, 0, 0x7C), 0xFFFFFFEF, 0x00000000, RES_PCI_IO, MCP55_DEV(5, 0, 0xC8), 0xFF00FF00, 0x000A000A, RES_PCI_IO, MCP55_DEV(5, 0, 0xD0), 0xF0FFFFFF, 0x03000000, RES_PCI_IO, MCP55_DEV(5, 0, 0xE0), 0xF0FFFFFF, 0x03000000, }; static const unsigned int ctrl_conf_mcp55_only[] = { RES_PCI_IO, MCP55_DEV(1, 1, 0x40), 0x00000000, 0xCB8410DE, RES_PCI_IO, MCP55_DEV(1, 1, 0xE0), 0xFFFFFEFF, 0x00000000, RES_PCI_IO, MCP55_DEV(1, 1, 0xE4), 0xFFFFFFFB, 0x00000000, RES_PCI_IO, MCP55_DEV(1, 1, 0xE8), 0xFFA9C8FF, 0x00003000, RES_PCI_IO, MCP55_DEV(4, 0, 0x40), 0x00000000, 0xCB8410DE, RES_PCI_IO, MCP55_DEV(4, 0, 0xF8), 0xFFFFFFCF, 0x00000010, RES_PCI_IO, MCP55_DEV(2, 0, 0x40), 0x00000000, 0xCB8410DE, RES_PCI_IO, MCP55_DEV(2, 1, 0x40), 0x00000000, 0xCB8410DE, RES_PCI_IO, MCP55_DEV(2, 1, 0x64), 0xF87FFFFF, 0x05000000, RES_PCI_IO, MCP55_DEV(2, 1, 0x78), 0xFFC07FFF, 0x00360000, RES_PCI_IO, MCP55_DEV(2, 1, 0x68), 0xFE00D03F, 0x013F2C00, RES_PCI_IO, MCP55_DEV(2, 1, 0x70), 0xFFF7FFFF, 0x00080000, RES_PCI_IO, MCP55_DEV(2, 1, 0x7C), 0xFFFFF00F, 0x00000570, RES_PCI_IO, MCP55_DEV(2, 1, 0xF8), 0xFFFFFFCF, 0x00000010, RES_PCI_IO, MCP55_DEV(6, 0, 0x04), 0xFFFFFEFB, 0x00000104, RES_PCI_IO, MCP55_DEV(6, 0, 0x3C), 0xF5FFFFFF, 0x0A000000, RES_PCI_IO, MCP55_DEV(6, 0, 0x40), 0x00C8FFFF, 0x07330000, RES_PCI_IO, MCP55_DEV(6, 0, 0x48), 0xFFFFFFF8, 0x00000005, RES_PCI_IO, MCP55_DEV(6, 0, 0x4C), 0xFE02FFFF, 0x004C0000, RES_PCI_IO, MCP55_DEV(6, 0, 0x74), 0xFFFFFFC0, 0x00000000, RES_PCI_IO, MCP55_DEV(6, 0, 0xC0), 0x00000000, 0xCB8410DE, RES_PCI_IO, MCP55_DEV(6, 0, 0xC4), 0xFFFFFFF8, 0x00000007, #if CONFIG(NORTHBRIDGE_AMD_AMDFAM10) /* * Avoid crash (complete with severe memory corruption!) during initial CAR boot * in mcp55_early_setup_x() on Fam10h systems by not touching 0x78. * Interestingly once the system is fully booted into Linux this can be set, but * not before! Apparently something isn't initialized but the amount of effort * required to fix this is non-negligible and of unknown real-world benefit */ #else RES_PCI_IO, MCP55_DEV(1, 0, 0x78), 0xC0FFFFFF, 0x19000000, #endif #if CONFIG(MCP55_USE_AZA) RES_PCI_IO, MCP55_DEV(6, 1, 0x40), 0x00000000, 0xCB8410DE, #endif #ifdef MCP55_MB_SETUP /* Play a while with GPIO in MCP55. */ MCP55_MB_SETUP #endif #if CONFIG(MCP55_USE_AZA) RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 21, ~(3 << 2), (2 << 2), RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 22, ~(3 << 2), (2 << 2), RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 46, ~(3 << 2), (2 << 2), #endif }; static const unsigned int ctrl_conf_master_only[] = { RES_PORT_IO_32, ACPICTRL_IO_BASE + 0x80, 0xEFFFFFF, 0x01000000, /* Master MCP55???? YHLU */ RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 0, ~(3 << 2), (0 << 2), }; static const unsigned int ctrl_conf_2[] = { /* I didn't put PCI-E related stuff here. */ RES_PCI_IO, MCP55_DEV(0, 0, 0x74), 0xFFFFF00F, 0x000009D0, RES_PCI_IO, MCP55_DEV(1, 0, 0x74), 0xFFFF7FFF, 0x00008000, RES_PORT_IO_32, SYSCTRL_IO_BASE + 0x48, 0xFFFEFFFF, 0x00010000, RES_PORT_IO_32, ANACTRL_IO_BASE + 0x60, 0xFFFFFF00, 0x00000012, #if CONFIG(MCP55_USE_NIC) RES_PCI_IO, MCP55_DEV(1, 1, 0xe4), ~((1 << 22) | (1 << 20)), (1 << 22) | (1 << 20), RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 4, ~(0xff), ((0 << 4) | (1 << 2) | (0 << 0)), RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 4, ~(0xff), ((0 << 4) | (1 << 2) | (1 << 0)), #endif }; int j, i; for (j = 0; j < mcp55_num; j++) { mcp55_early_pcie_setup(busn[j], devn[j], io_base[j] + ANACTRL_IO_BASE, pci_e_x[j]); setup_resource_map_x_offset(ctrl_conf_1, ARRAY_SIZE(ctrl_conf_1), PCI_DEV(busn[j], devn[j], 0), io_base[j]); for (i = 0; i < 3; i++) { /* Three SATA */ setup_resource_map_x_offset(ctrl_conf_1_1, ARRAY_SIZE(ctrl_conf_1_1), PCI_DEV(busn[j], devn[j], i), io_base[j]); } if (busn[j] == 0) { setup_resource_map_x_offset(ctrl_conf_mcp55_only, ARRAY_SIZE(ctrl_conf_mcp55_only), PCI_DEV(busn[j], devn[j], 0), io_base[j]); } if ((busn[j] == 0) && (mcp55_num>1)) { setup_resource_map_x_offset(ctrl_conf_master_only, ARRAY_SIZE(ctrl_conf_master_only), PCI_DEV(busn[j], devn[j], 0), io_base[j]); } setup_resource_map_x_offset(ctrl_conf_2, ARRAY_SIZE(ctrl_conf_2), PCI_DEV(busn[j], devn[j], 0), io_base[j]); } } #ifndef HT_CHAIN_NUM_MAX #define HT_CHAIN_NUM_MAX 4 #define HT_CHAIN_BUSN_D 0x40 #define HT_CHAIN_IOBASE_D 0x4000 #endif static int mcp55_early_setup_x(void) { /* Find out how many MCP55 we have. */ unsigned busn[HT_CHAIN_NUM_MAX] = {0}; unsigned devn[HT_CHAIN_NUM_MAX] = {0}; unsigned io_base[HT_CHAIN_NUM_MAX] = {0}; /* * FIXME: May have problem if there is different MCP55 HTX card with * different PCI_E lane allocation. Need to use same trick about * pci1234 to verify node/link connection. */ unsigned pci_e_x[HT_CHAIN_NUM_MAX] = { CONFIG_MCP55_PCI_E_X_0, CONFIG_MCP55_PCI_E_X_1, CONFIG_MCP55_PCI_E_X_2, CONFIG_MCP55_PCI_E_X_3, }; int mcp55_num = 0, ht_c_index; unsigned busnx, devnx; /* FIXME: Multi PCI segment handling. */ /* Any system that only have IO55 without MCP55? */ for (ht_c_index = 0; ht_c_index < HT_CHAIN_NUM_MAX; ht_c_index++) { busnx = ht_c_index * HT_CHAIN_BUSN_D; for (devnx = 0; devnx < 0x20; devnx++) { u32 id; pci_devfn_t dev; dev = PCI_DEV(busnx, devnx, 0); id = pci_read_config32(dev, PCI_VENDOR_ID); if (id == 0x036910de) { busn[mcp55_num] = busnx; devn[mcp55_num] = devnx; /* We may have HT chain other than MCP55. */ io_base[mcp55_num] = ht_c_index * HT_CHAIN_IOBASE_D; mcp55_num++; if (mcp55_num == CONFIG_MCP55_NUM) goto out; break; /* Only one MCP55 on one chain. */ } } } out: printk(BIOS_DEBUG, "mcp55_num: %02x\n", mcp55_num); mcp55_early_set_port(mcp55_num, busn, devn, io_base); mcp55_early_setup(mcp55_num, busn, devn, io_base, pci_e_x); mcp55_early_clear_port(mcp55_num, busn, devn, io_base); return 0; }