diff options
Diffstat (limited to 'board/keymile/km83xx/km83xx.c')
| -rw-r--r-- | board/keymile/km83xx/km83xx.c | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/board/keymile/km83xx/km83xx.c b/board/keymile/km83xx/km83xx.c new file mode 100644 index 0000000000..98aceef563 --- /dev/null +++ b/board/keymile/km83xx/km83xx.c @@ -0,0 +1,281 @@ +/* + * Copyright (C) 2006 Freescale Semiconductor, Inc. + * Dave Liu <daveliu@freescale.com> + * + * Copyright (C) 2007 Logic Product Development, Inc. + * Peter Barada <peterb@logicpd.com> + * + * Copyright (C) 2007 MontaVista Software, Inc. + * Anton Vorontsov <avorontsov@ru.mvista.com> + * + * (C) Copyright 2008 - 2010 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * 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. + */ + +#include <common.h> +#include <ioports.h> +#include <mpc83xx.h> +#include <i2c.h> +#include <miiphy.h> +#include <asm/io.h> +#include <asm/mmu.h> +#include <asm/processor.h> +#include <pci.h> +#include <libfdt.h> + +#include "../common/common.h" + +const qe_iop_conf_t qe_iop_conf_tab[] = { + /* port pin dir open_drain assign */ +#if defined(CONFIG_KMETER1) + /* MDIO */ + {0, 1, 3, 0, 2}, /* MDIO */ + {0, 2, 1, 0, 1}, /* MDC */ + + /* UCC4 - UEC */ + {1, 14, 1, 0, 1}, /* TxD0 */ + {1, 15, 1, 0, 1}, /* TxD1 */ + {1, 20, 2, 0, 1}, /* RxD0 */ + {1, 21, 2, 0, 1}, /* RxD1 */ + {1, 18, 1, 0, 1}, /* TX_EN */ + {1, 26, 2, 0, 1}, /* RX_DV */ + {1, 27, 2, 0, 1}, /* RX_ER */ + {1, 24, 2, 0, 1}, /* COL */ + {1, 25, 2, 0, 1}, /* CRS */ + {2, 15, 2, 0, 1}, /* TX_CLK - CLK16 */ + {2, 16, 2, 0, 1}, /* RX_CLK - CLK17 */ + + /* DUART - UART2 */ + {5, 0, 1, 0, 2}, /* UART2_SOUT */ + {5, 2, 1, 0, 1}, /* UART2_RTS */ + {5, 3, 2, 0, 2}, /* UART2_SIN */ + {5, 1, 2, 0, 3}, /* UART2_CTS */ +#else + /* Local Bus */ + {0, 16, 1, 0, 3}, /* LA00 */ + {0, 17, 1, 0, 3}, /* LA01 */ + {0, 18, 1, 0, 3}, /* LA02 */ + {0, 19, 1, 0, 3}, /* LA03 */ + {0, 20, 1, 0, 3}, /* LA04 */ + {0, 21, 1, 0, 3}, /* LA05 */ + {0, 22, 1, 0, 3}, /* LA06 */ + {0, 23, 1, 0, 3}, /* LA07 */ + {0, 24, 1, 0, 3}, /* LA08 */ + {0, 25, 1, 0, 3}, /* LA09 */ + {0, 26, 1, 0, 3}, /* LA10 */ + {0, 27, 1, 0, 3}, /* LA11 */ + {0, 28, 1, 0, 3}, /* LA12 */ + {0, 29, 1, 0, 3}, /* LA13 */ + {0, 30, 1, 0, 3}, /* LA14 */ + {0, 31, 1, 0, 3}, /* LA15 */ + + /* MDIO */ + {3, 4, 3, 0, 2}, /* MDIO */ + {3, 5, 1, 0, 2}, /* MDC */ + + /* UCC4 - UEC */ + {1, 18, 1, 0, 1}, /* TxD0 */ + {1, 19, 1, 0, 1}, /* TxD1 */ + {1, 22, 2, 0, 1}, /* RxD0 */ + {1, 23, 2, 0, 1}, /* RxD1 */ + {1, 26, 2, 0, 1}, /* RxER */ + {1, 28, 2, 0, 1}, /* Rx_DV */ + {1, 30, 1, 0, 1}, /* TxEN */ + {1, 31, 2, 0, 1}, /* CRS */ + {3, 10, 2, 0, 3}, /* TxCLK->CLK17 */ +#endif + + /* END of table */ + {0, 0, 0, 0, QE_IOP_TAB_END}, +}; + +static int board_init_i2c_busses(void) +{ + I2C_MUX_DEVICE *dev = NULL; + uchar *buf; + + /* Set up the Bus for the DTTs */ + buf = (unsigned char *) getenv("dtt_bus"); + if (buf != NULL) + dev = i2c_mux_ident_muxstring(buf); + if (dev == NULL) { + printf("Error couldn't add Bus for DTT\n"); + printf("please setup dtt_bus to where your\n"); + printf("DTT is found.\n"); + } + return 0; +} + +#if defined(CONFIG_SUVD3) +const uint upma_table[] = { + 0x1ffedc00, 0x0ffcdc80, 0x0ffcdc80, 0x0ffcdc04, /* Words 0 to 3 */ + 0x0ffcdc00, 0xffffcc00, 0xffffcc01, 0xfffffc01, /* Words 4 to 7 */ + 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 8 to 11 */ + 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 12 to 15 */ + 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 16 to 19 */ + 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 20 to 23 */ + 0x9cfffc00, 0x00fffc80, 0x00fffc80, 0x00fffc00, /* Words 24 to 27 */ + 0xffffec04, 0xffffec01, 0xfffffc01, 0xfffffc01, /* Words 28 to 31 */ + 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 32 to 35 */ + 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 36 to 39 */ + 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 40 to 43 */ + 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 44 to 47 */ + 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 48 to 51 */ + 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 52 to 55 */ + 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 56 to 59 */ + 0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01 /* Words 60 to 63 */ +}; +#endif + +int board_early_init_r(void) +{ + struct km_bec_fpga *base = (struct km_bec_fpga *)CONFIG_SYS_PIGGY_BASE; +#if defined(CONFIG_SUVD3) + immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; + fsl_lbc_t *lbc = &immap->im_lbc; + u32 *mxmr = &lbc->mamr; +#endif + +#if defined(CONFIG_MPC8360) + unsigned short svid; + /* + * Because of errata in the UCCs, we have to write to the reserved + * registers to slow the clocks down. + */ + svid = SVR_REV(mfspr(SVR)); + switch (svid) { + case 0x0020: + /* + * MPC8360ECE.pdf QE_ENET10 table 4: + * IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2) + * IMMR + 0x14A8[18:19] = 11 (clk delay for UCC 1) + */ + setbits_be32((void *)(CONFIG_SYS_IMMR + 0x14a8), 0x0c003000); + break; + case 0x0021: + /* + * MPC8360ECE.pdf QE_ENET10 table 4: + * IMMR + 0x14AC[24:27] = 1010 + */ + clrsetbits_be32((void *)(CONFIG_SYS_IMMR + 0x14ac), + 0x00000050, 0x000000a0); + break; + } +#endif + + /* enable the PHY on the PIGGY */ + setbits_8(&base->pgy_eth, 0x01); + /* enable the Unit LED (green) */ + setbits_8(&base->oprth, WRL_BOOT); + +#if defined(CONFIG_SUVD3) + /* configure UPMA for APP1 */ + upmconfig(UPMA, (uint *) upma_table, + sizeof(upma_table) / sizeof(uint)); + out_be32(mxmr, CONFIG_SYS_MAMR); +#endif + return 0; +} + +int misc_init_r(void) +{ + /* add board specific i2c busses */ + board_init_i2c_busses(); + return 0; +} + +int fixed_sdram(void) +{ + immap_t *im = (immap_t *)CONFIG_SYS_IMMR; + u32 msize = 0; + u32 ddr_size; + u32 ddr_size_log2; + + out_be32(&im->sysconf.ddrlaw[0].ar, (LAWAR_EN | 0x1e)); + out_be32(&im->ddr.csbnds[0].csbnds, CONFIG_SYS_DDR_CS0_BNDS); + out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CS0_CONFIG); + out_be32(&im->ddr.timing_cfg_0, CONFIG_SYS_DDR_TIMING_0); + out_be32(&im->ddr.timing_cfg_1, CONFIG_SYS_DDR_TIMING_1); + out_be32(&im->ddr.timing_cfg_2, CONFIG_SYS_DDR_TIMING_2); + out_be32(&im->ddr.timing_cfg_3, CONFIG_SYS_DDR_TIMING_3); + out_be32(&im->ddr.sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG); + out_be32(&im->ddr.sdram_cfg2, CONFIG_SYS_DDR_SDRAM_CFG2); + out_be32(&im->ddr.sdram_mode, CONFIG_SYS_DDR_MODE); + out_be32(&im->ddr.sdram_mode2, CONFIG_SYS_DDR_MODE2); + out_be32(&im->ddr.sdram_interval, CONFIG_SYS_DDR_INTERVAL); + out_be32(&im->ddr.sdram_clk_cntl, CONFIG_SYS_DDR_CLK_CNTL); + udelay(200); + out_be32(&im->ddr.sdram_cfg, SDRAM_CFG_MEM_EN); + + msize = CONFIG_SYS_DDR_SIZE << 20; + disable_addr_trans(); + msize = get_ram_size(CONFIG_SYS_DDR_BASE, msize); + enable_addr_trans(); + msize /= (1024 * 1024); + if (CONFIG_SYS_DDR_SIZE != msize) { + 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; + out_be32(&im->sysconf.ddrlaw[0].ar, + (LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE))); + out_be32(&im->ddr.csbnds[0].csbnds, + (((msize / 16) - 1) & 0xff)); + } + + return msize; +} + +phys_size_t initdram(int board_type) +{ + immap_t *im = (immap_t *)CONFIG_SYS_IMMR; + u32 msize = 0; + + if ((in_be32(&im->sysconf.immrbar) & IMMRBAR_BASE_ADDR) != (u32)im) + return -1; + + out_be32(&im->sysconf.ddrlaw[0].bar, + CONFIG_SYS_DDR_BASE & LAWBAR_BAR); + msize = fixed_sdram(); + +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) + /* + * Initialize DDR ECC byte + */ + ddr_enable_ecc(msize * 1024 * 1024); +#endif + + /* return total bus SDRAM size(bytes) -- DDR */ + return msize * 1024 * 1024; +} + +int checkboard(void) +{ + puts("Board: Keymile " CONFIG_KM_BOARD_NAME); + + if (ethernet_present()) + puts(" with PIGGY."); + puts("\n"); + return 0; +} + +#if defined(CONFIG_OF_BOARD_SETUP) +void ft_board_setup(void *blob, bd_t *bd) +{ + ft_cpu_setup(blob, bd); +} +#endif + +#if defined(CONFIG_HUSH_INIT_VAR) +int hush_init_var(void) +{ + ivm_read_eeprom(); + return 0; +} +#endif |