diff options
Diffstat (limited to 'roms/u-boot/board/freescale/mpc8323erdb/mpc8323erdb.c')
| -rw-r--r-- | roms/u-boot/board/freescale/mpc8323erdb/mpc8323erdb.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/mpc8323erdb/mpc8323erdb.c b/roms/u-boot/board/freescale/mpc8323erdb/mpc8323erdb.c new file mode 100644 index 00000000..3dce3623 --- /dev/null +++ b/roms/u-boot/board/freescale/mpc8323erdb/mpc8323erdb.c @@ -0,0 +1,220 @@ +/* + * Copyright (C) 2007 Freescale Semiconductor, Inc. + * + * Michael Barkowski <michael.barkowski@freescale.com> + * Based on mpc832xmds file by Dave Liu <daveliu@freescale.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include <common.h> +#include <ioports.h> +#include <mpc83xx.h> +#include <i2c.h> +#include <miiphy.h> +#include <command.h> +#include <libfdt.h> +#if defined(CONFIG_PCI) +#include <pci.h> +#endif +#include <asm/mmu.h> + +const qe_iop_conf_t qe_iop_conf_tab[] = { + /* UCC3 */ + {1, 0, 1, 0, 1}, /* TxD0 */ + {1, 1, 1, 0, 1}, /* TxD1 */ + {1, 2, 1, 0, 1}, /* TxD2 */ + {1, 3, 1, 0, 1}, /* TxD3 */ + {1, 9, 1, 0, 1}, /* TxER */ + {1, 12, 1, 0, 1}, /* TxEN */ + {3, 24, 2, 0, 1}, /* TxCLK->CLK10 */ + + {1, 4, 2, 0, 1}, /* RxD0 */ + {1, 5, 2, 0, 1}, /* RxD1 */ + {1, 6, 2, 0, 1}, /* RxD2 */ + {1, 7, 2, 0, 1}, /* RxD3 */ + {1, 8, 2, 0, 1}, /* RxER */ + {1, 10, 2, 0, 1}, /* RxDV */ + {0, 13, 2, 0, 1}, /* RxCLK->CLK9 */ + {1, 11, 2, 0, 1}, /* COL */ + {1, 13, 2, 0, 1}, /* CRS */ + + /* UCC2 */ + {0, 18, 1, 0, 1}, /* TxD0 */ + {0, 19, 1, 0, 1}, /* TxD1 */ + {0, 20, 1, 0, 1}, /* TxD2 */ + {0, 21, 1, 0, 1}, /* TxD3 */ + {0, 27, 1, 0, 1}, /* TxER */ + {0, 30, 1, 0, 1}, /* TxEN */ + {3, 23, 2, 0, 1}, /* TxCLK->CLK3 */ + + {0, 22, 2, 0, 1}, /* RxD0 */ + {0, 23, 2, 0, 1}, /* RxD1 */ + {0, 24, 2, 0, 1}, /* RxD2 */ + {0, 25, 2, 0, 1}, /* RxD3 */ + {0, 26, 1, 0, 1}, /* RxER */ + {0, 28, 2, 0, 1}, /* Rx_DV */ + {3, 21, 2, 0, 1}, /* RxCLK->CLK16 */ + {0, 29, 2, 0, 1}, /* COL */ + {0, 31, 2, 0, 1}, /* CRS */ + + {3, 4, 3, 0, 2}, /* MDIO */ + {3, 5, 1, 0, 2}, /* MDC */ + + {0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */ +}; + +int fixed_sdram(void); + +phys_size_t initdram(int board_type) +{ + volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; + u32 msize = 0; + + if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im) + return -1; + + /* DDR SDRAM - Main SODIMM */ + im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_BASE & LAWBAR_BAR; + + msize = fixed_sdram(); + + /* return total bus SDRAM size(bytes) -- DDR */ + return (msize * 1024 * 1024); +} + +/************************************************************************* + * fixed sdram init -- doesn't use serial presence detect. + ************************************************************************/ +int fixed_sdram(void) +{ + volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; + u32 msize = 0; + u32 ddr_size; + u32 ddr_size_log2; + + msize = CONFIG_SYS_DDR_SIZE; + for (ddr_size = msize << 20, ddr_size_log2 = 0; + (ddr_size > 1); ddr_size = ddr_size >> 1, ddr_size_log2++) { + if (ddr_size & 1) { + return -1; + } + } + im->sysconf.ddrlaw[0].ar = + LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE); + im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CNTL; + im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS; + im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG; + im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0; + im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1; + im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2; + im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3; + im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG; + im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2; + im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE; + im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2; + im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL; + __asm__ __volatile__ ("sync"); + udelay(200); + + im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN; + __asm__ __volatile__ ("sync"); + return msize; +} + +int checkboard(void) +{ + puts("Board: Freescale MPC8323ERDB\n"); + return 0; +} + +static struct pci_region pci_regions[] = { + { + bus_start: CONFIG_SYS_PCI1_MEM_BASE, + phys_start: CONFIG_SYS_PCI1_MEM_PHYS, + size: CONFIG_SYS_PCI1_MEM_SIZE, + flags: PCI_REGION_MEM | PCI_REGION_PREFETCH + }, + { + bus_start: CONFIG_SYS_PCI1_MMIO_BASE, + phys_start: CONFIG_SYS_PCI1_MMIO_PHYS, + size: CONFIG_SYS_PCI1_MMIO_SIZE, + flags: PCI_REGION_MEM + }, + { + bus_start: CONFIG_SYS_PCI1_IO_BASE, + phys_start: CONFIG_SYS_PCI1_IO_PHYS, + size: CONFIG_SYS_PCI1_IO_SIZE, + flags: PCI_REGION_IO + } +}; + +void pci_init_board(void) +{ + volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR; + volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk; + volatile law83xx_t *pci_law = immr->sysconf.pcilaw; + struct pci_region *reg[] = { pci_regions }; + + /* Enable all 3 PCI_CLK_OUTPUTs. */ + clk->occr |= 0xe0000000; + + /* Configure PCI Local Access Windows */ + pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR; + pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB; + + pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR; + pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB; + + mpc83xx_pci_init(1, reg); +} + +#if defined(CONFIG_OF_BOARD_SETUP) +void ft_board_setup(void *blob, bd_t *bd) +{ + ft_cpu_setup(blob, bd); +#ifdef CONFIG_PCI + ft_pci_setup(blob, bd); +#endif +} +#endif + +#if defined(CONFIG_SYS_I2C_MAC_OFFSET) +int mac_read_from_eeprom(void) +{ + uchar buf[28]; + char str[18]; + int i = 0; + unsigned int crc = 0; + unsigned char enetvar[32]; + + /* Read MAC addresses from EEPROM */ + if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, CONFIG_SYS_I2C_MAC_OFFSET, buf, 28)) { + printf("\nEEPROM @ 0x%02x read FAILED!!!\n", + CONFIG_SYS_I2C_EEPROM_ADDR); + } else { + uint32_t crc_buf; + + memcpy(&crc_buf, &buf[24], sizeof(uint32_t)); + + if (crc32(crc, buf, 24) == crc_buf) { + printf("Reading MAC from EEPROM\n"); + for (i = 0; i < 4; i++) { + if (memcmp(&buf[i * 6], "\0\0\0\0\0\0", 6)) { + sprintf(str, + "%02X:%02X:%02X:%02X:%02X:%02X", + buf[i * 6], buf[i * 6 + 1], + buf[i * 6 + 2], buf[i * 6 + 3], + buf[i * 6 + 4], buf[i * 6 + 5]); + sprintf((char *)enetvar, + i ? "eth%daddr" : "ethaddr", i); + setenv((char *)enetvar, str); + } + } + } + } + return 0; +} +#endif /* CONFIG_I2C_MAC_OFFSET */ |