| /* |
| * Copyright 2009 Freescale Semiconductor. |
| * |
| * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * 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 <asm/processor.h> |
| #include <asm/mmu.h> |
| #include <asm/immap_85xx.h> |
| #include <asm/immap_fsl_pci.h> |
| #include <asm/fsl_ddr_sdram.h> |
| #include <asm/io.h> |
| #include <spd_sdram.h> |
| #include <i2c.h> |
| #include <ioports.h> |
| #include <libfdt.h> |
| #include <fdt_support.h> |
| |
| #include "bcsr.h" |
| |
| phys_size_t fixed_sdram(void); |
| |
| const qe_iop_conf_t qe_iop_conf_tab[] = { |
| /* QE_MUX_MDC */ |
| {2, 31, 1, 0, 1}, /* QE_MUX_MDC */ |
| |
| /* QE_MUX_MDIO */ |
| {2, 30, 3, 0, 2}, /* QE_MUX_MDIO */ |
| |
| /* UCC_1_RGMII */ |
| {2, 11, 2, 0, 1}, /* CLK12 */ |
| {0, 0, 1, 0, 3}, /* ENET1_TXD0_SER1_TXD0 */ |
| {0, 1, 1, 0, 3}, /* ENET1_TXD1_SER1_TXD1 */ |
| {0, 2, 1, 0, 1}, /* ENET1_TXD2_SER1_TXD2 */ |
| {0, 3, 1, 0, 2}, /* ENET1_TXD3_SER1_TXD3 */ |
| {0, 6, 2, 0, 3}, /* ENET1_RXD0_SER1_RXD0 */ |
| {0, 7, 2, 0, 1}, /* ENET1_RXD1_SER1_RXD1 */ |
| {0, 8, 2, 0, 2}, /* ENET1_RXD2_SER1_RXD2 */ |
| {0, 9, 2, 0, 2}, /* ENET1_RXD3_SER1_RXD3 */ |
| {0, 4, 1, 0, 2}, /* ENET1_TX_EN_SER1_RTS_B */ |
| {0, 12, 2, 0, 3}, /* ENET1_RX_DV_SER1_CTS_B */ |
| {2, 8, 2, 0, 1}, /* ENET1_GRXCLK */ |
| {2, 20, 1, 0, 2}, /* ENET1_GTXCLK */ |
| |
| /* UCC_2_RGMII */ |
| {2, 16, 2, 0, 3}, /* CLK17 */ |
| {0, 14, 1, 0, 2}, /* ENET2_TXD0_SER2_TXD0 */ |
| {0, 15, 1, 0, 2}, /* ENET2_TXD1_SER2_TXD1 */ |
| {0, 16, 1, 0, 1}, /* ENET2_TXD2_SER2_TXD2 */ |
| {0, 17, 1, 0, 1}, /* ENET2_TXD3_SER2_TXD3 */ |
| {0, 20, 2, 0, 2}, /* ENET2_RXD0_SER2_RXD0 */ |
| {0, 21, 2, 0, 1}, /* ENET2_RXD1_SER2_RXD1 */ |
| {0, 22, 2, 0, 1}, /* ENET2_RXD2_SER2_RXD2 */ |
| {0, 23, 2, 0, 1}, /* ENET2_RXD3_SER2_RXD3 */ |
| {0, 18, 1, 0, 2}, /* ENET2_TX_EN_SER2_RTS_B */ |
| {0, 26, 2, 0, 3}, /* ENET2_RX_DV_SER2_CTS_B */ |
| {2, 3, 2, 0, 1}, /* ENET2_GRXCLK */ |
| {2, 2, 1, 0, 2}, /* ENET2_GTXCLK */ |
| |
| {0, 0, 0, 0, QE_IOP_TAB_END} /* END of table */ |
| }; |
| |
| void local_bus_init(void); |
| |
| int board_early_init_f (void) |
| { |
| /* |
| * Initialize local bus. |
| */ |
| local_bus_init (); |
| |
| enable_8569mds_flash_write(); |
| |
| #ifdef CONFIG_QE |
| enable_8569mds_qe_mdio(); |
| #endif |
| |
| #if CONFIG_SYS_I2C2_OFFSET |
| /* Enable I2C2 signals instead of SD signals */ |
| volatile struct ccsr_gur *gur; |
| gur = (struct ccsr_gur *)(CONFIG_SYS_IMMR + 0xe0000); |
| gur->plppar1 &= ~PLPPAR1_I2C_BIT_MASK; |
| gur->plppar1 |= PLPPAR1_I2C2_VAL; |
| gur->plpdir1 &= ~PLPDIR1_I2C_BIT_MASK; |
| gur->plpdir1 |= PLPDIR1_I2C2_VAL; |
| |
| disable_8569mds_brd_eeprom_write_protect(); |
| #endif |
| |
| return 0; |
| } |
| |
| int checkboard (void) |
| { |
| printf ("Board: 8569 MDS\n"); |
| |
| return 0; |
| } |
| |
| phys_size_t |
| initdram(int board_type) |
| { |
| long dram_size = 0; |
| |
| puts("Initializing\n"); |
| |
| #if defined(CONFIG_DDR_DLL) |
| /* |
| * Work around to stabilize DDR DLL MSYNC_IN. |
| * Errata DDR9 seems to have been fixed. |
| * This is now the workaround for Errata DDR11: |
| * Override DLL = 1, Course Adj = 1, Tap Select = 0 |
| */ |
| volatile ccsr_gur_t *gur = |
| (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
| |
| out_be32(&gur->ddrdllcr, 0x81000000); |
| udelay(200); |
| #endif |
| |
| #ifdef CONFIG_SPD_EEPROM |
| dram_size = fsl_ddr_sdram(); |
| #else |
| dram_size = fixed_sdram(); |
| #endif |
| |
| dram_size = setup_ddr_tlbs(dram_size / 0x100000); |
| dram_size *= 0x100000; |
| |
| puts(" DDR: "); |
| return dram_size; |
| } |
| |
| #if !defined(CONFIG_SPD_EEPROM) |
| phys_size_t fixed_sdram(void) |
| { |
| volatile ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC85xx_DDR_ADDR; |
| uint d_init; |
| |
| out_be32(&ddr->cs0_bnds, CONFIG_SYS_DDR_CS0_BNDS); |
| out_be32(&ddr->cs0_config, CONFIG_SYS_DDR_CS0_CONFIG); |
| out_be32(&ddr->timing_cfg_3, CONFIG_SYS_DDR_TIMING_3); |
| out_be32(&ddr->timing_cfg_0, CONFIG_SYS_DDR_TIMING_0); |
| out_be32(&ddr->timing_cfg_1, CONFIG_SYS_DDR_TIMING_1); |
| out_be32(&ddr->timing_cfg_2, CONFIG_SYS_DDR_TIMING_2); |
| out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG); |
| out_be32(&ddr->sdram_cfg_2, CONFIG_SYS_DDR_SDRAM_CFG_2); |
| out_be32(&ddr->sdram_mode, CONFIG_SYS_DDR_SDRAM_MODE); |
| out_be32(&ddr->sdram_mode_2, CONFIG_SYS_DDR_SDRAM_MODE_2); |
| out_be32(&ddr->sdram_interval, CONFIG_SYS_DDR_SDRAM_INTERVAL); |
| out_be32(&ddr->sdram_data_init, CONFIG_SYS_DDR_DATA_INIT); |
| out_be32(&ddr->sdram_clk_cntl, CONFIG_SYS_DDR_SDRAM_CLK_CNTL); |
| out_be32(&ddr->timing_cfg_4, CONFIG_SYS_DDR_TIMING_4); |
| out_be32(&ddr->timing_cfg_5, CONFIG_SYS_DDR_TIMING_5); |
| out_be32(&ddr->ddr_zq_cntl, CONFIG_SYS_DDR_ZQ_CNTL); |
| out_be32(&ddr->ddr_wrlvl_cntl, CONFIG_SYS_DDR_WRLVL_CNTL); |
| out_be32(&ddr->sdram_cfg_2, CONFIG_SYS_DDR_SDRAM_CFG_2); |
| #if defined (CONFIG_DDR_ECC) |
| out_be32(&ddr->err_int_en, CONFIG_SYS_DDR_ERR_INT_EN); |
| out_be32(&ddr->err_disable, CONFIG_SYS_DDR_ERR_DIS); |
| out_be32(&ddr->err_sbe, CONFIG_SYS_DDR_SBE); |
| #endif |
| udelay(500); |
| |
| out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL); |
| #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) |
| d_init = 1; |
| debug("DDR - 1st controller: memory initializing\n"); |
| /* |
| * Poll until memory is initialized. |
| * 512 Meg at 400 might hit this 200 times or so. |
| */ |
| while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) { |
| udelay(1000); |
| } |
| debug("DDR: memory initialized\n\n"); |
| udelay(500); |
| #endif |
| return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; |
| } |
| #endif |
| |
| /* |
| * Initialize Local Bus |
| */ |
| void |
| local_bus_init(void) |
| { |
| volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
| volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); |
| |
| uint clkdiv; |
| uint lbc_hz; |
| sys_info_t sysinfo; |
| |
| get_sys_info(&sysinfo); |
| clkdiv = (lbc->lcrr & LCRR_CLKDIV) * 2; |
| lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv; |
| |
| out_be32(&gur->lbiuiplldcr1, 0x00078080); |
| if (clkdiv == 16) |
| out_be32(&gur->lbiuiplldcr0, 0x7c0f1bf0); |
| else if (clkdiv == 8) |
| out_be32(&gur->lbiuiplldcr0, 0x6c0f1bf0); |
| else if (clkdiv == 4) |
| out_be32(&gur->lbiuiplldcr0, 0x5c0f1bf0); |
| |
| out_be32(&lbc->lcrr, (u32)in_be32(&lbc->lcrr)| 0x00030000); |
| } |
| |
| #ifdef CONFIG_PCIE1 |
| static struct pci_controller pcie1_hose; |
| #endif /* CONFIG_PCIE1 */ |
| |
| extern int fsl_pci_setup_inbound_windows(struct pci_region *r); |
| extern void fsl_pci_init(struct pci_controller *hose); |
| |
| int first_free_busno = 0; |
| |
| #ifdef CONFIG_PCI |
| void |
| pci_init_board(void) |
| { |
| volatile ccsr_gur_t *gur; |
| uint io_sel; |
| uint host_agent; |
| |
| gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
| io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19; |
| host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16; |
| |
| #ifdef CONFIG_PCIE1 |
| { |
| volatile ccsr_fsl_pci_t *pci; |
| struct pci_controller *hose; |
| int pcie_ep; |
| struct pci_region *r; |
| int pcie_configured; |
| |
| pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR; |
| hose = &pcie1_hose; |
| pcie_ep = (host_agent == 0) || (host_agent == 2 ) || (host_agent == 3); |
| r = hose->regions; |
| pcie_configured = io_sel >= 1; |
| |
| if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){ |
| printf ("\n PCIE connected to slot as %s (base address %x)", |
| pcie_ep ? "End Point" : "Root Complex", |
| (uint)pci); |
| |
| if (pci->pme_msg_det) { |
| pci->pme_msg_det = 0xffffffff; |
| debug (" with errors. Clearing. Now 0x%08x", |
| pci->pme_msg_det); |
| } |
| printf ("\n"); |
| |
| /* inbound */ |
| r += fsl_pci_setup_inbound_windows(r); |
| |
| /* outbound memory */ |
| pci_set_region(r++, |
| CONFIG_SYS_PCIE1_MEM_BUS, |
| CONFIG_SYS_PCIE1_MEM_PHYS, |
| CONFIG_SYS_PCIE1_MEM_SIZE, |
| PCI_REGION_MEM); |
| |
| /* outbound io */ |
| pci_set_region(r++, |
| CONFIG_SYS_PCIE1_IO_BUS, |
| CONFIG_SYS_PCIE1_IO_PHYS, |
| CONFIG_SYS_PCIE1_IO_SIZE, |
| PCI_REGION_IO); |
| |
| hose->region_count = r - hose->regions; |
| |
| hose->first_busno=first_free_busno; |
| pci_setup_indirect(hose, (int) &pci->cfg_addr, |
| (int) &pci->cfg_data); |
| |
| fsl_pci_init(hose); |
| printf ("PCIE on bus %02x - %02x\n", |
| hose->first_busno,hose->last_busno); |
| |
| first_free_busno=hose->last_busno+1; |
| |
| } else { |
| printf (" PCIE: disabled\n"); |
| } |
| } |
| #else |
| gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */ |
| #endif |
| } |
| #endif /* CONFIG_PCI */ |
| |
| #if defined(CONFIG_OF_BOARD_SETUP) |
| extern void ft_fsl_pci_setup(void *blob, const char *pci_alias, |
| struct pci_controller *hose); |
| |
| void ft_board_setup(void *blob, bd_t *bd) |
| { |
| ft_cpu_setup(blob, bd); |
| |
| #ifdef CONFIG_PCIE1 |
| ft_fsl_pci_setup(blob, "pci1", &pcie1_hose); |
| #endif |
| } |
| #endif |