| /* |
| * (C) Copyright 2007 |
| * Heiko Schocher, DENX Software Engineering, hs@denx.de. |
| * |
| * 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 <mpc8260.h> |
| #include <ioports.h> |
| |
| #if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) |
| #include <libfdt.h> |
| #endif |
| |
| /* |
| * I/O Port configuration table |
| * |
| * if conf is 1, then that port pin will be configured at boot time |
| * according to the five values podr/pdir/ppar/psor/pdat for that entry |
| */ |
| const iop_conf_t iop_conf_tab[4][32] = { |
| |
| /* Port A */ |
| { /* conf ppar psor pdir podr pdat */ |
| /* PA31 */ { 0, 0, 0, 0, 0, 0 }, /* PA31 */ |
| /* PA30 */ { 0, 0, 0, 0, 0, 0 }, /* PA30 */ |
| /* PA29 */ { 0, 0, 0, 0, 0, 0 }, /* PA29 */ |
| /* PA28 */ { 0, 0, 0, 0, 0, 0 }, /* PA28 */ |
| /* PA27 */ { 0, 0, 0, 0, 0, 0 }, /* PA27 */ |
| /* PA26 */ { 0, 0, 0, 0, 0, 0 }, /* PA26 */ |
| /* PA25 */ { 0, 0, 0, 0, 0, 0 }, /* PA25 */ |
| /* PA24 */ { 0, 0, 0, 0, 0, 0 }, /* PA24 */ |
| /* PA23 */ { 0, 0, 0, 0, 0, 0 }, /* PA23 */ |
| /* PA22 */ { 0, 0, 0, 0, 0, 0 }, /* PA22 */ |
| /* PA21 */ { 0, 0, 0, 0, 0, 0 }, /* PA21 */ |
| /* PA20 */ { 0, 0, 0, 0, 0, 0 }, /* PA20 */ |
| /* PA19 */ { 0, 0, 0, 0, 0, 0 }, /* PA19 */ |
| /* PA18 */ { 0, 0, 0, 0, 0, 0 }, /* PA18 */ |
| /* PA17 */ { 0, 0, 0, 0, 0, 0 }, /* PA17 */ |
| /* PA16 */ { 0, 0, 0, 0, 0, 0 }, /* PA16 */ |
| /* PA15 */ { 0, 0, 0, 0, 0, 0 }, /* PA15 */ |
| /* PA14 */ { 0, 0, 0, 0, 0, 0 }, /* PA14 */ |
| /* PA13 */ { 0, 0, 0, 0, 0, 0 }, /* PA13 */ |
| /* PA12 */ { 0, 0, 0, 0, 0, 0 }, /* PA12 */ |
| /* PA11 */ { 0, 0, 0, 0, 0, 0 }, /* PA11 */ |
| /* PA10 */ { 0, 0, 0, 0, 0, 0 }, /* PA10 */ |
| /* PA9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC2 TxD */ |
| /* PA8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC2 RxD */ |
| /* PA7 */ { 0, 0, 0, 0, 0, 0 }, /* PA7 */ |
| /* PA6 */ { 0, 0, 0, 0, 0, 0 }, /* PA6 */ |
| /* PA5 */ { 0, 0, 0, 0, 0, 0 }, /* PA5 */ |
| /* PA4 */ { 0, 0, 0, 0, 0, 0 }, /* PA4 */ |
| /* PA3 */ { 0, 0, 0, 0, 0, 0 }, /* PA3 */ |
| /* PA2 */ { 0, 0, 0, 0, 0, 0 }, /* PA2 */ |
| /* PA1 */ { 0, 0, 0, 0, 0, 0 }, /* PA1 */ |
| /* PA0 */ { 0, 0, 0, 0, 0, 0 } /* PA0 */ |
| }, |
| |
| /* Port B */ |
| { /* conf ppar psor pdir podr pdat */ |
| /* PB31 */ { 0, 0, 0, 0, 0, 0 }, /* PB31 */ |
| /* PB30 */ { 0, 0, 0, 0, 0, 0 }, /* PB30 */ |
| /* PB29 */ { 0, 0, 0, 0, 0, 0 }, /* PB29 */ |
| /* PB28 */ { 0, 0, 0, 0, 0, 0 }, /* PB28 */ |
| /* PB27 */ { 0, 0, 0, 0, 0, 0 }, /* PB27 */ |
| /* PB26 */ { 0, 0, 0, 0, 0, 0 }, /* PB26 */ |
| /* PB25 */ { 0, 0, 0, 0, 0, 0 }, /* PB25 */ |
| /* PB24 */ { 0, 0, 0, 0, 0, 0 }, /* PB24 */ |
| /* PB23 */ { 0, 0, 0, 0, 0, 0 }, /* PB23 */ |
| /* PB22 */ { 0, 0, 0, 0, 0, 0 }, /* PB22 */ |
| /* PB21 */ { 0, 0, 0, 0, 0, 0 }, /* PB21 */ |
| /* PB20 */ { 0, 0, 0, 0, 0, 0 }, /* PB20 */ |
| /* PB19 */ { 0, 0, 0, 0, 0, 0 }, /* PB19 */ |
| /* PB18 */ { 0, 0, 0, 0, 0, 0 }, /* PB18 */ |
| /* PB17 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB16 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB15 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB14 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB13 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB12 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB11 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB10 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB9 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB8 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB6 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB5 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB4 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */ |
| }, |
| |
| /* Port C */ |
| { /* conf ppar psor pdir podr pdat */ |
| /* PC31 */ { 0, 0, 0, 0, 0, 0 }, /* PC31 */ |
| /* PC30 */ { 0, 0, 0, 0, 0, 0 }, /* PC30 */ |
| /* PC29 */ { 0, 0, 0, 0, 0, 0 }, /* PC29 */ |
| /* PC28 */ { 0, 0, 0, 0, 0, 0 }, /* PC28 */ |
| /* PC27 */ { 0, 0, 0, 0, 0, 0 }, /* PC27 */ |
| /* PC26 */ { 0, 0, 0, 0, 0, 0 }, /* PC26 */ |
| /* PC25 */ { 1, 1, 0, 0, 0, 0 }, /* SCC4 RxClk */ |
| /* PC24 */ { 1, 1, 0, 0, 0, 0 }, /* SCC4 TxClk */ |
| /* PC23 */ { 0, 0, 0, 0, 0, 0 }, /* PC23 */ |
| /* PC22 */ { 0, 0, 0, 0, 0, 0 }, /* PC22 */ |
| /* PC21 */ { 0, 0, 0, 0, 0, 0 }, /* PC21 */ |
| /* PC20 */ { 0, 0, 0, 0, 0, 0 }, /* PC20 */ |
| /* PC19 */ { 0, 0, 0, 0, 0, 0 }, /* PC19 */ |
| /* PC18 */ { 0, 0, 0, 0, 0, 0 }, /* PC18 */ |
| /* PC17 */ { 0, 0, 0, 0, 0, 0 }, /* PC17 */ |
| /* PC16 */ { 0, 0, 0, 0, 0, 0 }, /* PC16 */ |
| /* PC15 */ { 0, 0, 0, 0, 0, 0 }, /* PC15 */ |
| /* PC14 */ { 0, 0, 0, 0, 0, 0 }, /* PC14 */ |
| /* PC13 */ { 0, 0, 0, 0, 0, 0 }, /* PC13 */ |
| /* PC12 */ { 0, 0, 0, 0, 0, 0 }, /* PC12 */ |
| /* PC11 */ { 0, 0, 0, 0, 0, 0 }, /* PC11 */ |
| /* PC10 */ { 0, 0, 0, 0, 0, 0 }, /* PC10 */ |
| /* PC9 */ { 1, 1, 0, 0, 0, 0 }, /* SCC4: CTS */ |
| /* PC8 */ { 1, 1, 0, 0, 0, 0 }, /* SCC4: CD */ |
| /* PC7 */ { 0, 0, 0, 0, 0, 0 }, /* PC7 */ |
| /* PC6 */ { 0, 0, 0, 0, 0, 0 }, /* PC6 */ |
| /* PC5 */ { 0, 0, 0, 0, 0, 0 }, /* PC5 */ |
| /* PC4 */ { 0, 0, 0, 0, 0, 0 }, /* PC4 */ |
| /* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* PC3 */ |
| /* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* PC2 */ |
| /* PC1 */ { 0, 0, 0, 0, 0, 0 }, /* PC1 */ |
| /* PC0 */ { 0, 0, 0, 0, 0, 0 }, /* PC0 */ |
| }, |
| |
| /* Port D */ |
| { /* conf ppar psor pdir podr pdat */ |
| /* PD31 */ { 0, 0, 0, 0, 0, 0 }, /* PD31 */ |
| /* PD30 */ { 0, 0, 0, 0, 0, 0 }, /* PD30 */ |
| /* PD29 */ { 0, 0, 0, 0, 0, 0 }, /* PD29 */ |
| /* PD28 */ { 0, 0, 0, 0, 0, 0 }, /* PD28 */ |
| /* PD27 */ { 0, 0, 0, 0, 0, 0 }, /* PD27 */ |
| /* PD26 */ { 0, 0, 0, 0, 0, 0 }, /* PD26 */ |
| /* PD25 */ { 0, 0, 0, 0, 0, 0 }, /* PD25 */ |
| /* PD24 */ { 0, 0, 0, 0, 0, 0 }, /* PD24 */ |
| /* PD23 */ { 0, 0, 0, 0, 0, 0 }, /* PD23 */ |
| /* PD22 */ { 1, 1, 0, 0, 0, 0 }, /* SCC4: RXD */ |
| /* PD21 */ { 1, 1, 0, 1, 0, 0 }, /* SCC4: TXD */ |
| /* PD20 */ { 1, 1, 0, 1, 0, 0 }, /* SCC4: RTS */ |
| /* PD19 */ { 0, 0, 0, 0, 0, 0 }, /* PD19 */ |
| /* PD18 */ { 0, 0, 0, 0, 0, 0 }, /* PD18 */ |
| /* PD17 */ { 0, 0, 0, 0, 0, 0 }, /* PD17 */ |
| /* PD16 */ { 0, 0, 0, 0, 0, 0 }, /* PD16 */ |
| /* PD15 */ { 0, 0, 0, 0, 0, 0 }, /* PD15 */ |
| /* PD14 */ { 0, 0, 0, 0, 0, 0 }, /* PD14 */ |
| /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */ |
| /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */ |
| /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */ |
| /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */ |
| /* PD9 */ { 0, 0, 0, 0, 0, 0 }, /* PD9 */ |
| /* PD8 */ { 0, 0, 0, 0, 0, 0 }, /* PD8 */ |
| /* PD7 */ { 0, 0, 0, 0, 0, 0 }, /* PD7 */ |
| /* PD6 */ { 0, 0, 0, 0, 0, 0 }, /* PD6 */ |
| /* PD5 */ { 0, 0, 0, 0, 0, 0 }, /* PD5 */ |
| /* PD4 */ { 0, 0, 0, 0, 0, 0 }, /* PD4 */ |
| /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */ |
| /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */ |
| } |
| }; |
| |
| /* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx |
| * |
| * This routine performs standard 8260 initialization sequence |
| * and calculates the available memory size. It may be called |
| * several times to try different SDRAM configurations on both |
| * 60x and local buses. |
| */ |
| static long int try_init (volatile memctl8260_t * memctl, ulong sdmr, |
| ulong orx, volatile uchar * base) |
| { |
| volatile uchar c = 0xff; |
| volatile uint *sdmr_ptr; |
| volatile uint *orx_ptr; |
| ulong maxsize, size; |
| int i; |
| |
| /* We must be able to test a location outsize the maximum legal size |
| * to find out THAT we are outside; but this address still has to be |
| * mapped by the controller. That means, that the initial mapping has |
| * to be (at least) twice as large as the maximum expected size. |
| */ |
| maxsize = (1 + (~orx | 0x7fff))/* / 2*/; |
| |
| sdmr_ptr = &memctl->memc_psdmr; |
| orx_ptr = &memctl->memc_or1; |
| |
| *orx_ptr = orx; |
| |
| /* |
| * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35): |
| * |
| * "At system reset, initialization software must set up the |
| * programmable parameters in the memory controller banks registers |
| * (ORx, BRx, P/LSDMR). After all memory parameters are configured, |
| * system software should execute the following initialization sequence |
| * for each SDRAM device. |
| * |
| * 1. Issue a PRECHARGE-ALL-BANKS command |
| * 2. Issue eight CBR REFRESH commands |
| * 3. Issue a MODE-SET command to initialize the mode register |
| * |
| * The initial commands are executed by setting P/LSDMR[OP] and |
| * accessing the SDRAM with a single-byte transaction." |
| * |
| * The appropriate BRx/ORx registers have already been set when we |
| * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE. |
| */ |
| |
| *sdmr_ptr = sdmr | PSDMR_OP_PREA; |
| *base = c; |
| |
| *sdmr_ptr = sdmr | PSDMR_OP_CBRR; |
| for (i = 0; i < 8; i++) |
| *base = c; |
| |
| *sdmr_ptr = sdmr | PSDMR_OP_MRW; |
| *(base + CFG_MRS_OFFS) = c; /* setting MR on address lines */ |
| |
| *sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN; |
| *base = c; |
| |
| size = get_ram_size((long *)base, maxsize); |
| *orx_ptr = orx | ~(size - 1); |
| |
| return (size); |
| } |
| |
| long int initdram(int board_type) |
| { |
| volatile immap_t *immap = (immap_t *) CFG_IMMR; |
| volatile memctl8260_t *memctl = &immap->im_memctl; |
| |
| long psize; |
| |
| memctl->memc_psrt = CFG_PSRT; |
| memctl->memc_mptpr = CFG_MPTPR; |
| |
| #ifndef CFG_RAMBOOT |
| /* 60x SDRAM setup: |
| */ |
| psize = try_init (memctl, CFG_PSDMR, CFG_OR1, |
| (uchar *) CFG_SDRAM_BASE); |
| #endif /* CFG_RAMBOOT */ |
| |
| icache_enable (); |
| |
| return (psize); |
| } |
| |
| int checkboard(void) |
| { |
| puts("Board: mgcoge\n"); |
| |
| return 0; |
| } |
| |
| #if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) |
| /* |
| * update "memory" property in the blob |
| */ |
| void ft_blob_update(void *blob, bd_t *bd) |
| { |
| int ret, nodeoffset = 0; |
| ulong memory_data[2] = {0}; |
| ulong flash_data[4] = {0}; |
| |
| memory_data[0] = cpu_to_be32(bd->bi_memstart); |
| memory_data[1] = cpu_to_be32(bd->bi_memsize); |
| |
| nodeoffset = fdt_path_offset (blob, "/memory"); |
| if (nodeoffset >= 0) { |
| ret = fdt_setprop(blob, nodeoffset, "reg", memory_data, |
| sizeof(memory_data)); |
| if (ret < 0) |
| printf("ft_blob_update): cannot set /memory/reg " |
| "property err:%s\n", fdt_strerror(ret)); |
| } |
| else { |
| /* memory node is required in dts */ |
| printf("ft_blob_update(): cannot find /memory node " |
| "err:%s\n", fdt_strerror(nodeoffset)); |
| } |
| /* update Flash size */ |
| flash_data[2] = cpu_to_be32(bd->bi_flashstart); |
| flash_data[3] = cpu_to_be32(bd->bi_flashsize); |
| nodeoffset = fdt_path_offset (blob, "/localbus"); |
| if (nodeoffset >= 0) { |
| ret = fdt_setprop(blob, nodeoffset, "ranges", flash_data, |
| sizeof(flash_data)); |
| if (ret < 0) |
| printf("ft_blob_update): cannot set /localbus/ranges " |
| "property err:%s\n", fdt_strerror(ret)); |
| } |
| else { |
| /* memory node is required in dts */ |
| printf("ft_blob_update(): cannot find /localbus node " |
| "err:%s\n", fdt_strerror(nodeoffset)); |
| } |
| /* MAC Adresse */ |
| nodeoffset = fdt_path_offset (blob, "/soc/cpm/ethernet"); |
| if (nodeoffset >= 0) { |
| ret = fdt_setprop(blob, nodeoffset, "mac-address", bd->bi_enetaddr, |
| sizeof(uchar) * 6); |
| if (ret < 0) |
| printf("ft_blob_update): cannot set /soc/cpm/ethernet/mac-address " |
| "property err:%s\n", fdt_strerror(ret)); |
| } |
| else { |
| /* memory node is required in dts */ |
| printf("ft_blob_update(): cannot find /localbus node " |
| "err:%s\n", fdt_strerror(nodeoffset)); |
| } |
| |
| } |
| |
| void ft_board_setup(void *blob, bd_t *bd) |
| { |
| ft_cpu_setup( blob, bd); |
| ft_blob_update(blob, bd); |
| } |
| #endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */ |