diff options
Diffstat (limited to 'board/freescale/mpc8569mds/mpc8569mds.c')
| -rw-r--r-- | board/freescale/mpc8569mds/mpc8569mds.c | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/board/freescale/mpc8569mds/mpc8569mds.c b/board/freescale/mpc8569mds/mpc8569mds.c new file mode 100644 index 0000000000..53fef43f35 --- /dev/null +++ b/board/freescale/mpc8569mds/mpc8569mds.c @@ -0,0 +1,329 @@ +/* + * 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 |