upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
150 lines
3.6 KiB
150 lines
3.6 KiB
15 years ago
|
/*
|
||
|
* TNETV107X-EVM: Board initialization
|
||
|
*
|
||
|
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||
|
*/
|
||
|
|
||
|
#include <common.h>
|
||
|
#include <miiphy.h>
|
||
|
#include <linux/mtd/nand.h>
|
||
|
#include <asm/arch/hardware.h>
|
||
|
#include <asm/arch/clock.h>
|
||
|
#include <asm/io.h>
|
||
|
#include <asm/mach-types.h>
|
||
|
#include <asm/arch/nand_defs.h>
|
||
|
#include <asm/arch/mux.h>
|
||
|
|
||
|
DECLARE_GLOBAL_DATA_PTR;
|
||
|
|
||
|
static struct async_emif_config async_emif_config[ASYNC_EMIF_NUM_CS] = {
|
||
|
{ /* CS0 */
|
||
|
.mode = ASYNC_EMIF_MODE_NAND,
|
||
|
.wr_setup = 5,
|
||
|
.wr_strobe = 5,
|
||
|
.wr_hold = 2,
|
||
|
.rd_setup = 5,
|
||
|
.rd_strobe = 5,
|
||
|
.rd_hold = 2,
|
||
|
.turn_around = 5,
|
||
|
.width = ASYNC_EMIF_8,
|
||
|
},
|
||
|
{ /* CS1 */
|
||
|
.mode = ASYNC_EMIF_MODE_NOR,
|
||
|
.wr_setup = 2,
|
||
|
.wr_strobe = 27,
|
||
|
.wr_hold = 4,
|
||
|
.rd_setup = 2,
|
||
|
.rd_strobe = 27,
|
||
|
.rd_hold = 4,
|
||
|
.turn_around = 2,
|
||
|
.width = ASYNC_EMIF_PRESERVE,
|
||
|
},
|
||
|
{ /* CS2 */
|
||
|
.mode = ASYNC_EMIF_MODE_NOR,
|
||
|
.wr_setup = 2,
|
||
|
.wr_strobe = 27,
|
||
|
.wr_hold = 4,
|
||
|
.rd_setup = 2,
|
||
|
.rd_strobe = 27,
|
||
|
.rd_hold = 4,
|
||
|
.turn_around = 2,
|
||
|
.width = ASYNC_EMIF_PRESERVE,
|
||
|
},
|
||
|
{ /* CS3 */
|
||
|
.mode = ASYNC_EMIF_MODE_NOR,
|
||
|
.wr_setup = 1,
|
||
|
.wr_strobe = 90,
|
||
|
.wr_hold = 3,
|
||
|
.rd_setup = 1,
|
||
|
.rd_strobe = 26,
|
||
|
.rd_hold = 3,
|
||
|
.turn_around = 1,
|
||
|
.width = ASYNC_EMIF_8,
|
||
|
},
|
||
|
};
|
||
|
|
||
|
static struct pll_init_data pll_config[] = {
|
||
|
{
|
||
|
.pll = ETH_PLL,
|
||
|
.internal_osc = 1,
|
||
|
.pll_freq = 500000000,
|
||
|
.div_freq = {
|
||
|
5000000, 50000000, 125000000, 250000000, 25000000,
|
||
|
},
|
||
|
},
|
||
|
};
|
||
|
|
||
|
static const short sdio1_pins[] = {
|
||
|
TNETV107X_PIN_SDIO1_CLK_1, TNETV107X_PIN_SDIO1_CMD_1,
|
||
|
TNETV107X_PIN_SDIO1_DATA0_1, TNETV107X_PIN_SDIO1_DATA1_1,
|
||
|
TNETV107X_PIN_SDIO1_DATA2_1, TNETV107X_PIN_SDIO1_DATA3_1,
|
||
|
-1
|
||
|
};
|
||
|
|
||
|
static const short uart1_pins[] = {
|
||
|
TNETV107X_PIN_UART1_RD, TNETV107X_PIN_UART1_TD, -1
|
||
|
};
|
||
|
|
||
|
static const short ssp_pins[] = {
|
||
|
TNETV107X_PIN_SSP0_0, TNETV107X_PIN_SSP0_1, TNETV107X_PIN_SSP0_2,
|
||
|
TNETV107X_PIN_SSP1_0, TNETV107X_PIN_SSP1_1, TNETV107X_PIN_SSP1_2,
|
||
|
TNETV107X_PIN_SSP1_3, -1
|
||
|
};
|
||
|
|
||
|
int board_init(void)
|
||
|
{
|
||
|
#ifndef CONFIG_USE_IRQ
|
||
|
__raw_writel(0, INTC_GLB_EN); /* Global disable */
|
||
|
__raw_writel(0, INTC_HINT_EN); /* Disable host ints */
|
||
|
__raw_writel(0, INTC_EN_CLR0 + 0); /* Clear enable */
|
||
|
__raw_writel(0, INTC_EN_CLR0 + 4); /* Clear enable */
|
||
|
__raw_writel(0, INTC_EN_CLR0 + 8); /* Clear enable */
|
||
|
#endif
|
||
|
|
||
|
gd->bd->bi_arch_number = MACH_TYPE_TNETV107X;
|
||
|
gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
|
||
|
|
||
|
init_plls(ARRAY_SIZE(pll_config), pll_config);
|
||
|
|
||
|
init_async_emif(ARRAY_SIZE(async_emif_config), async_emif_config);
|
||
|
|
||
|
mux_select_pin(TNETV107X_PIN_ASR_CS3);
|
||
|
mux_select_pins(sdio1_pins);
|
||
|
mux_select_pins(uart1_pins);
|
||
|
mux_select_pins(ssp_pins);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
int dram_init(void)
|
||
|
{
|
||
|
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
|
||
|
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
#ifdef CONFIG_NAND_DAVINCI
|
||
|
int board_nand_init(struct nand_chip *nand)
|
||
|
{
|
||
|
davinci_nand_init(nand);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
#endif
|