diff options
Diffstat (limited to 'board/flagadm/flagadm.c')
| -rw-r--r-- | board/flagadm/flagadm.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/board/flagadm/flagadm.c b/board/flagadm/flagadm.c deleted file mode 100644 index 343cb77..0000000 --- a/board/flagadm/flagadm.c +++ /dev/null @@ -1,134 +0,0 @@ -/* - * (C) Copyright 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <mpc8xx.h> - -#define _NOT_USED_ 0xFFFFFFFF - -/*Orginal table, GPL4 disabled*/ -const uint sdram_table[] = -{ - /* single read (offset 0x00 in upm ram) */ - 0x1f07cc04, 0xeeaeec04, 0x11adcc04, 0xefbbac00, - 0x1ff74c47, - /* Precharge */ - 0x1FF74C05, - _NOT_USED_, - _NOT_USED_, - /* burst read (offset 0x08 in upm ram) */ - 0x1f07cc04, 0xeeaeec04, 0x00adcc04, 0x00afcc00, - 0x00afcc00, 0x01afcc00, 0x0fbb8c00, 0x1ff74c47, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* single write (offset 0x18 in upm ram) */ - 0x1f27cc04, 0xeeaeac00, 0x01b90c04, 0x1ff74c47, - /* Load moderegister */ - 0x1FF74C34, /*Precharge*/ - 0xEFEA8C34, /*NOP*/ - 0x1FB54C35, /*Load moderegister*/ - _NOT_USED_, - - /* burst write (offset 0x20 in upm ram) */ - 0x1f07cc04, 0xeeaeac00, 0x00ad4c00, 0x00afcc00, - 0x00afcc00, 0x01bb8c04, 0x1ff74c47, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* refresh (offset 0x30 in upm ram) */ - 0x1ff5cc84, 0xffffec04, 0xffffec04, 0xffffec04, - 0xffffec84, 0xffffec07, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* exception (offset 0x3C in upm ram) */ - 0x7fffec07, _NOT_USED_, _NOT_USED_, _NOT_USED_, -}; - -/* GPL5 driven every cycle */ -/* the display and the DSP */ -const uint dsp_disp_table[] = -{ - /* single read (offset 0x00 in upm ram) */ - 0xffffc80c, 0xffffc004, 0x0fffc004, 0x0fffd004, - 0x0fffc000, 0x0fffc004, 0x3fffc004, 0xffffcc05, - /* burst read (offset 0x08 in upm ram) */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* single write (offset 0x18 in upm ram) */ - 0xffffcc0c, 0xffffc004, 0x0fffc004, 0x0fffd004, - 0x0fffc000, 0x0fffc004, 0x7fffc004, 0xfffffc05, - /* burst write (offset 0x20 in upm ram) */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* refresh (offset 0x30 in upm ram) */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* exception (offset 0x3C in upm ram) */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, -}; - -int checkboard (void) -{ - puts ("Board: FlagaDM V3.0\n"); - return 0; -} - -phys_size_t initdram (int board_type) -{ - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - long int size_b0; - - memctl->memc_or2 = CONFIG_SYS_OR2; - memctl->memc_br2 = CONFIG_SYS_BR2; - - udelay(100); - upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); - - memctl->memc_mptpr = MPTPR_PTP_DIV16; - memctl->memc_mamr = CONFIG_SYS_MAMR_48_SDR | MAMR_TLFA_1X; - - /*Do the initialization of the SDRAM*/ - /*Start with the precharge cycle*/ - memctl->memc_mcr = (MCR_OP_RUN | MCR_UPM_A | MCR_MB_CS2 | \ - MCR_MLCF(1) | MCR_MAD(0x5)); - - /*Then we need two refresh cycles*/ - memctl->memc_mamr = CONFIG_SYS_MAMR_48_SDR | MAMR_TLFA_2X; - memctl->memc_mcr = (MCR_OP_RUN | MCR_UPM_A | MCR_MB_CS2 | \ - MCR_MLCF(2) | MCR_MAD(0x30)); - - /*Mode register programming*/ - memctl->memc_mar = 0x00000088; /*CAS Latency = 2 and burst length = 4*/ - memctl->memc_mcr = (MCR_OP_RUN | MCR_UPM_A | MCR_MB_CS2 | \ - MCR_MLCF(1) | MCR_MAD(0x1C)); - - /* That should do it, just enable the periodic refresh in burst of 4*/ - memctl->memc_mamr = CONFIG_SYS_MAMR_48_SDR | MAMR_TLFA_4X; - memctl->memc_mamr |= (MAMR_PTAE | MAMR_GPL_A4DIS); - - size_b0 = 16*1024*1024; - - /* - * No bank 1 or 3 - * invalidate bank - */ - memctl->memc_br1 = 0; - memctl->memc_br3 = 0; - - upmconfig(UPMB, (uint *)dsp_disp_table, sizeof(dsp_disp_table)/sizeof(uint)); - - memctl->memc_mbmr = MBMR_GPL_B4DIS; - - memctl->memc_or4 = CONFIG_SYS_OR4; - memctl->memc_br4 = CONFIG_SYS_BR4; - - return (size_b0); -} |