Enable p1022ds to start from eSDHC with SPL. Signed-off-by: Ying Zhang <b40530@freescale.com> Acked-by: York Sun <yorksun@freescale.com>master
Ying Zhang
11 years ago
committed by
York Sun
parent
bb0dc1084f
commit
7c8eea59b8
@ -0,0 +1,110 @@ |
||||
/*
|
||||
* Copyright 2013 Freescale Semiconductor, Inc. |
||||
* |
||||
* 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 <ns16550.h> |
||||
#include <malloc.h> |
||||
#include <mmc.h> |
||||
#include <nand.h> |
||||
#include <i2c.h> |
||||
#include "../common/ngpixis.h" |
||||
#include <fsl_esdhc.h> |
||||
|
||||
DECLARE_GLOBAL_DATA_PTR; |
||||
|
||||
static const u32 sysclk_tbl[] = { |
||||
66666000, 7499900, 83332500, 8999900, |
||||
99999000, 11111000, 12499800, 13333200 |
||||
}; |
||||
|
||||
ulong get_effective_memsize(void) |
||||
{ |
||||
return CONFIG_SYS_L2_SIZE; |
||||
} |
||||
|
||||
void board_init_f(ulong bootflag) |
||||
{ |
||||
int px_spd; |
||||
u32 plat_ratio, sys_clk, bus_clk; |
||||
ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; |
||||
|
||||
console_init_f(); |
||||
|
||||
/* Set pmuxcr to allow both i2c1 and i2c2 */ |
||||
setbits_be32(&gur->pmuxcr, in_be32(&gur->pmuxcr) | 0x1000); |
||||
setbits_be32(&gur->pmuxcr, |
||||
in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA); |
||||
|
||||
/* Read back the register to synchronize the write. */ |
||||
in_be32(&gur->pmuxcr); |
||||
|
||||
/* initialize selected port with appropriate baud rate */ |
||||
px_spd = in_8((unsigned char *)(PIXIS_BASE + PIXIS_SPD)); |
||||
sys_clk = sysclk_tbl[px_spd & PIXIS_SPD_SYSCLK_MASK]; |
||||
plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; |
||||
bus_clk = sys_clk * plat_ratio / 2; |
||||
|
||||
NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, |
||||
bus_clk / 16 / CONFIG_BAUDRATE); |
||||
#ifdef CONFIG_SPL_MMC_BOOT |
||||
puts("\nSD boot...\n"); |
||||
#endif |
||||
|
||||
/* copy code to RAM and jump to it - this should not return */ |
||||
/* NOTE - code has to be copied out of NAND buffer before
|
||||
* other blocks can be read. |
||||
*/ |
||||
relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE); |
||||
} |
||||
|
||||
void board_init_r(gd_t *gd, ulong dest_addr) |
||||
{ |
||||
/* Pointer is writable since we allocated a register for it */ |
||||
gd = (gd_t *)CONFIG_SPL_GD_ADDR; |
||||
bd_t *bd; |
||||
|
||||
memset(gd, 0, sizeof(gd_t)); |
||||
bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t)); |
||||
memset(bd, 0, sizeof(bd_t)); |
||||
gd->bd = bd; |
||||
bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR; |
||||
bd->bi_memsize = CONFIG_SYS_L2_SIZE; |
||||
|
||||
probecpu(); |
||||
get_clocks(); |
||||
mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR, |
||||
CONFIG_SPL_RELOC_MALLOC_SIZE); |
||||
env_init(); |
||||
#ifdef CONFIG_SPL_MMC_BOOT |
||||
mmc_initialize(bd); |
||||
#endif |
||||
/* relocate environment function pointers etc. */ |
||||
env_relocate(); |
||||
|
||||
i2c_init(CONFIG_SYS_FSL_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); |
||||
|
||||
gd->ram_size = initdram(0); |
||||
puts("Second program loader running in sram...\n"); |
||||
|
||||
#ifdef CONFIG_SPL_MMC_BOOT |
||||
mmc_boot(); |
||||
#endif |
||||
} |
||||
Loading…
Reference in new issue