diff options
Diffstat (limited to 'board/freescale/mpc8308rdb/mpc8308rdb.c')
| -rw-r--r-- | board/freescale/mpc8308rdb/mpc8308rdb.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/board/freescale/mpc8308rdb/mpc8308rdb.c b/board/freescale/mpc8308rdb/mpc8308rdb.c new file mode 100644 index 0000000..a864189 --- /dev/null +++ b/board/freescale/mpc8308rdb/mpc8308rdb.c @@ -0,0 +1,160 @@ +/* + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * Copyright (C) 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.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 <hwconfig.h> +#include <i2c.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <pci.h> +#include <mpc83xx.h> +#include <vsc7385.h> +#include <netdev.h> +#include <asm/io.h> +#include <asm/fsl_serdes.h> +#include <asm/fsl_mpc83xx_serdes.h> + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + immap_t *im = (immap_t *)CONFIG_SYS_IMMR; + + if (in_be32(&im->pmc.pmccr1) & PMCCR1_POWER_OFF) + gd->flags |= GD_FLG_SILENT; + + return 0; +} + +static u8 read_board_info(void) +{ + u8 val8; + i2c_set_bus_num(0); + + if (i2c_read(CONFIG_SYS_I2C_PCF8574A_ADDR, 0, 0, &val8, 1) == 0) + return val8; + else + return 0; +} + +int checkboard(void) +{ + static const char * const rev_str[] = { + "1.0", + "<reserved>", + "<reserved>", + "<reserved>", + "<unknown>", + }; + u8 info; + int i; + + info = read_board_info(); + i = (!info) ? 4 : info & 0x03; + + printf("Board: Freescale MPC8308RDB Rev %s\n", rev_str[i]); + + return 0; +} + +static struct pci_region pcie_regions_0[] = { + { + .bus_start = CONFIG_SYS_PCIE1_MEM_BASE, + .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS, + .size = CONFIG_SYS_PCIE1_MEM_SIZE, + .flags = PCI_REGION_MEM, + }, + { + .bus_start = CONFIG_SYS_PCIE1_IO_BASE, + .phys_start = CONFIG_SYS_PCIE1_IO_PHYS, + .size = CONFIG_SYS_PCIE1_IO_SIZE, + .flags = PCI_REGION_IO, + }, +}; + +void pci_init_board(void) +{ + immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; + sysconf83xx_t *sysconf = &immr->sysconf; + clk83xx_t *clk = (clk83xx_t *)&immr->clk; + law83xx_t *pcie_law = sysconf->pcielaw; + struct pci_region *pcie_reg[] = { pcie_regions_0 }; + + fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX, + FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V); + + clrsetbits_be32(&clk->sccr, SCCR_PCIEXP1CM , + SCCR_PCIEXP1CM_1); + + /* Deassert the resets in the control register */ + out_be32(&sysconf->pecr1, 0xE0008000); + udelay(2000); + + /* Configure PCI Express Local Access Windows */ + out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR); + out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB); + + mpc83xx_pcie_init(1, pcie_reg, 0); +} +/* + * Miscellaneous late-boot configurations + * + * If a VSC7385 microcode image is present, then upload it. +*/ +int misc_init_r(void) +{ +#ifdef CONFIG_VSC7385_IMAGE + if (vsc7385_upload_firmware((void *) CONFIG_VSC7385_IMAGE, + CONFIG_VSC7385_IMAGE_SIZE)) { + puts("Failure uploading VSC7385 microcode.\n"); + return 1; + } +#endif + + return 0; +} +#if defined(CONFIG_OF_BOARD_SETUP) +void ft_board_setup(void *blob, bd_t *bd) +{ + ft_cpu_setup(blob, bd); + fdt_fixup_dr_usb(blob, bd); +} +#endif + +int board_eth_init(bd_t *bis) +{ + int rv, num_if = 0; + + /* Initialize TSECs first */ + if ((rv = cpu_eth_init(bis)) >= 0) + num_if += rv; + else + printf("ERROR: failed to initialize TSECs.\n"); + + if ((rv = pci_eth_init(bis)) >= 0) + num_if += rv; + else + printf("ERROR: failed to initialize PCI Ethernet.\n"); + + return num_if; +} |