diff options
author | Kim Phillips <kim.phillips@freescale.com> | 2007-08-16 22:53:09 -0500 |
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committer | Kim Phillips <kim.phillips@freescale.com> | 2007-08-16 23:12:31 -0500 |
commit | e58fe95784d2514fc9c21028dc59f2b319a35d80 (patch) | |
tree | 2c967d360c6787a9904d4fe34d3114a9b6fa99de /board/freescale/mpc8360emds/mpc8360emds.c | |
parent | 5aa4ad8d8e7e9468219990c7875d5fdc9e962f47 (diff) |
mpc83xx: move freescale boards to boards/freescale
includes build fixes.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Diffstat (limited to 'board/freescale/mpc8360emds/mpc8360emds.c')
-rw-r--r-- | board/freescale/mpc8360emds/mpc8360emds.c | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/board/freescale/mpc8360emds/mpc8360emds.c b/board/freescale/mpc8360emds/mpc8360emds.c new file mode 100644 index 0000000000..e050cd4395 --- /dev/null +++ b/board/freescale/mpc8360emds/mpc8360emds.c @@ -0,0 +1,313 @@ +/* + * Copyright (C) 2006 Freescale Semiconductor, Inc. + * Dave Liu <daveliu@freescale.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. + */ + +#include <common.h> +#include <ioports.h> +#include <mpc83xx.h> +#include <i2c.h> +#include <spd.h> +#include <miiphy.h> +#if defined(CONFIG_PCI) +#include <pci.h> +#endif +#if defined(CONFIG_SPD_EEPROM) +#include <spd_sdram.h> +#else +#include <asm/mmu.h> +#endif +#if defined(CONFIG_OF_FLAT_TREE) +#include <ft_build.h> +#elif defined(CONFIG_OF_LIBFDT) +#include <libfdt.h> +#endif +#if defined(CONFIG_PQ_MDS_PIB) +#include "../common/pq-mds-pib.h" +#endif + +const qe_iop_conf_t qe_iop_conf_tab[] = { + /* GETH1 */ + {0, 3, 1, 0, 1}, /* TxD0 */ + {0, 4, 1, 0, 1}, /* TxD1 */ + {0, 5, 1, 0, 1}, /* TxD2 */ + {0, 6, 1, 0, 1}, /* TxD3 */ + {1, 6, 1, 0, 3}, /* TxD4 */ + {1, 7, 1, 0, 1}, /* TxD5 */ + {1, 9, 1, 0, 2}, /* TxD6 */ + {1, 10, 1, 0, 2}, /* TxD7 */ + {0, 9, 2, 0, 1}, /* RxD0 */ + {0, 10, 2, 0, 1}, /* RxD1 */ + {0, 11, 2, 0, 1}, /* RxD2 */ + {0, 12, 2, 0, 1}, /* RxD3 */ + {0, 13, 2, 0, 1}, /* RxD4 */ + {1, 1, 2, 0, 2}, /* RxD5 */ + {1, 0, 2, 0, 2}, /* RxD6 */ + {1, 4, 2, 0, 2}, /* RxD7 */ + {0, 7, 1, 0, 1}, /* TX_EN */ + {0, 8, 1, 0, 1}, /* TX_ER */ + {0, 15, 2, 0, 1}, /* RX_DV */ + {0, 16, 2, 0, 1}, /* RX_ER */ + {0, 0, 2, 0, 1}, /* RX_CLK */ + {2, 9, 1, 0, 3}, /* GTX_CLK - CLK10 */ + {2, 8, 2, 0, 1}, /* GTX125 - CLK9 */ + /* GETH2 */ + {0, 17, 1, 0, 1}, /* TxD0 */ + {0, 18, 1, 0, 1}, /* TxD1 */ + {0, 19, 1, 0, 1}, /* TxD2 */ + {0, 20, 1, 0, 1}, /* TxD3 */ + {1, 2, 1, 0, 1}, /* TxD4 */ + {1, 3, 1, 0, 2}, /* TxD5 */ + {1, 5, 1, 0, 3}, /* TxD6 */ + {1, 8, 1, 0, 3}, /* TxD7 */ + {0, 23, 2, 0, 1}, /* RxD0 */ + {0, 24, 2, 0, 1}, /* RxD1 */ + {0, 25, 2, 0, 1}, /* RxD2 */ + {0, 26, 2, 0, 1}, /* RxD3 */ + {0, 27, 2, 0, 1}, /* RxD4 */ + {1, 12, 2, 0, 2}, /* RxD5 */ + {1, 13, 2, 0, 3}, /* RxD6 */ + {1, 11, 2, 0, 2}, /* RxD7 */ + {0, 21, 1, 0, 1}, /* TX_EN */ + {0, 22, 1, 0, 1}, /* TX_ER */ + {0, 29, 2, 0, 1}, /* RX_DV */ + {0, 30, 2, 0, 1}, /* RX_ER */ + {0, 31, 2, 0, 1}, /* RX_CLK */ + {2, 2, 1, 0, 2}, /* GTX_CLK = CLK10 */ + {2, 3, 2, 0, 1}, /* GTX125 - CLK4 */ + + {0, 1, 3, 0, 2}, /* MDIO */ + {0, 2, 1, 0, 1}, /* MDC */ + + {0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */ +}; + +int board_early_init_f(void) +{ + + u8 *bcsr = (u8 *)CFG_BCSR; + const immap_t *immr = (immap_t *)CFG_IMMR; + + /* Enable flash write */ + bcsr[0xa] &= ~0x04; + + /* Disable G1TXCLK, G2TXCLK h/w buffers (rev.2 h/w bug workaround) */ + if (immr->sysconf.spridr == SPR_8360_REV20 || + immr->sysconf.spridr == SPR_8360E_REV20 || + immr->sysconf.spridr == SPR_8360_REV21 || + immr->sysconf.spridr == SPR_8360E_REV21) + bcsr[0xe] = 0x30; + + return 0; +} + +int board_early_init_r(void) +{ +#ifdef CONFIG_PQ_MDS_PIB + pib_init(); +#endif + return 0; +} + +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC) +extern void ddr_enable_ecc(unsigned int dram_size); +#endif +int fixed_sdram(void); +void sdram_init(void); + +long int initdram(int board_type) +{ + volatile immap_t *im = (immap_t *) CFG_IMMR; + u32 msize = 0; + + if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im) + return -1; + + /* DDR SDRAM - Main SODIMM */ + im->sysconf.ddrlaw[0].bar = CFG_DDR_BASE & LAWBAR_BAR; +#if defined(CONFIG_SPD_EEPROM) + msize = spd_sdram(); +#else + msize = fixed_sdram(); +#endif + +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC) + /* + * Initialize DDR ECC byte + */ + ddr_enable_ecc(msize * 1024 * 1024); +#endif + /* + * Initialize SDRAM if it is on local bus. + */ + sdram_init(); + + /* return total bus SDRAM size(bytes) -- DDR */ + return (msize * 1024 * 1024); +} + +#if !defined(CONFIG_SPD_EEPROM) +/************************************************************************* + * fixed sdram init -- doesn't use serial presence detect. + ************************************************************************/ +int fixed_sdram(void) +{ + volatile immap_t *im = (immap_t *) CFG_IMMR; + u32 msize = 0; + u32 ddr_size; + u32 ddr_size_log2; + + msize = CFG_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); +#if (CFG_DDR_SIZE != 256) +#warning Currenly any ddr size other than 256 is not supported +#endif +#ifdef CONFIG_DDR_II + im->ddr.csbnds[0].csbnds = CFG_DDR_CS0_BNDS; + im->ddr.cs_config[0] = CFG_DDR_CS0_CONFIG; + im->ddr.timing_cfg_0 = CFG_DDR_TIMING_0; + im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1; + im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2; + im->ddr.timing_cfg_3 = CFG_DDR_TIMING_3; + im->ddr.sdram_cfg = CFG_DDR_SDRAM_CFG; + im->ddr.sdram_cfg2 = CFG_DDR_SDRAM_CFG2; + im->ddr.sdram_mode = CFG_DDR_MODE; + im->ddr.sdram_mode2 = CFG_DDR_MODE2; + im->ddr.sdram_interval = CFG_DDR_INTERVAL; + im->ddr.sdram_clk_cntl = CFG_DDR_CLK_CNTL; +#else + im->ddr.csbnds[0].csbnds = 0x00000007; + im->ddr.csbnds[1].csbnds = 0x0008000f; + + im->ddr.cs_config[0] = CFG_DDR_CONFIG; + im->ddr.cs_config[1] = CFG_DDR_CONFIG; + + im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1; + im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2; + im->ddr.sdram_cfg = CFG_DDR_CONTROL; + + im->ddr.sdram_mode = CFG_DDR_MODE; + im->ddr.sdram_interval = CFG_DDR_INTERVAL; +#endif + udelay(200); + im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN; + + return msize; +} +#endif /*!CFG_SPD_EEPROM */ + +int checkboard(void) +{ + puts("Board: Freescale MPC8360EMDS\n"); + return 0; +} + +/* + * if MPC8360EMDS is soldered with SDRAM + */ +#if defined(CFG_BR2_PRELIM) \ + && defined(CFG_OR2_PRELIM) \ + && defined(CFG_LBLAWBAR2_PRELIM) \ + && defined(CFG_LBLAWAR2_PRELIM) +/* + * Initialize SDRAM memory on the Local Bus. + */ + +void sdram_init(void) +{ + volatile immap_t *immap = (immap_t *) CFG_IMMR; + volatile lbus83xx_t *lbc = &immap->lbus; + uint *sdram_addr = (uint *) CFG_LBC_SDRAM_BASE; + + /* + * Setup SDRAM Base and Option Registers, already done in cpu_init.c + */ + /*setup mtrpt, lsrt and lbcr for LB bus */ + lbc->lbcr = CFG_LBC_LBCR; + lbc->mrtpr = CFG_LBC_MRTPR; + lbc->lsrt = CFG_LBC_LSRT; + asm("sync"); + + /* + * Configure the SDRAM controller Machine Mode Register. + */ + lbc->lsdmr = CFG_LBC_LSDMR_5; /* Normal Operation */ + lbc->lsdmr = CFG_LBC_LSDMR_1; /* Precharge All Banks */ + asm("sync"); + *sdram_addr = 0xff; + udelay(100); + + /* + * We need do 8 times auto refresh operation. + */ + lbc->lsdmr = CFG_LBC_LSDMR_2; + asm("sync"); + *sdram_addr = 0xff; /* 1 times */ + udelay(100); + *sdram_addr = 0xff; /* 2 times */ + udelay(100); + *sdram_addr = 0xff; /* 3 times */ + udelay(100); + *sdram_addr = 0xff; /* 4 times */ + udelay(100); + *sdram_addr = 0xff; /* 5 times */ + udelay(100); + *sdram_addr = 0xff; /* 6 times */ + udelay(100); + *sdram_addr = 0xff; /* 7 times */ + udelay(100); + *sdram_addr = 0xff; /* 8 times */ + udelay(100); + + /* Mode register write operation */ + lbc->lsdmr = CFG_LBC_LSDMR_4; + asm("sync"); + *(sdram_addr + 0xcc) = 0xff; + udelay(100); + + /* Normal operation */ + lbc->lsdmr = CFG_LBC_LSDMR_5 | 0x40000000; + asm("sync"); + *sdram_addr = 0xff; + udelay(100); +} +#else +void sdram_init(void) +{ +} +#endif + +#if defined(CONFIG_OF_BOARD_SETUP) +void ft_board_setup(void *blob, bd_t *bd) +{ +#if defined(CONFIG_OF_FLAT_TREE) + u32 *p; + int len; + + p = ft_get_prop(blob, "/memory/reg", &len); + if (p != NULL) { + *p++ = cpu_to_be32(bd->bi_memstart); + *p = cpu_to_be32(bd->bi_memsize); + } +#endif + ft_cpu_setup(blob, bd); +#ifdef CONFIG_PCI + ft_pci_setup(blob, bd); +#endif +} +#endif |