u-boot-brain/board/freescale/mx51evk/mx51evk.c
Jason Liu 5195890440 mx5: board: code clean up for checkboard code
The boot cause code has been factor out to soc common
code,we need drop the part from the board support code

This patch also remove the redundant cpu version print

Signed-off-by: Jason Liu <jason.hui@linaro.org>
2011-05-23 08:36:46 +02:00

438 lines
13 KiB
C

/*
* (C) Copyright 2009 Freescale Semiconductor, Inc.
*
* 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 <asm/io.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/mx5x_pins.h>
#include <asm/arch/iomux.h>
#include <asm/errno.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/crm_regs.h>
#include <i2c.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <fsl_pmic.h>
#include <mc13892.h>
DECLARE_GLOBAL_DATA_PTR;
static u32 system_rev;
#ifdef CONFIG_FSL_ESDHC
struct fsl_esdhc_cfg esdhc_cfg[2] = {
{MMC_SDHC1_BASE_ADDR, 1},
{MMC_SDHC2_BASE_ADDR, 1},
};
#endif
u32 get_board_rev(void)
{
return system_rev;
}
int dram_init(void)
{
/* dram_init must store complete ramsize in gd->ram_size */
gd->ram_size = get_ram_size((volatile void *)CONFIG_SYS_SDRAM_BASE,
PHYS_SDRAM_1_SIZE);
return 0;
}
static void setup_iomux_uart(void)
{
unsigned int pad = PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE |
PAD_CTL_PUE_PULL | PAD_CTL_DRV_HIGH;
mxc_request_iomux(MX51_PIN_UART1_RXD, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_UART1_RXD, pad | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_UART1_TXD, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_UART1_TXD, pad | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_UART1_RTS, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_UART1_RTS, pad);
mxc_request_iomux(MX51_PIN_UART1_CTS, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_UART1_CTS, pad);
}
static void setup_iomux_fec(void)
{
/*FEC_MDIO*/
mxc_request_iomux(MX51_PIN_EIM_EB2 , IOMUX_CONFIG_ALT3);
mxc_iomux_set_pad(MX51_PIN_EIM_EB2 , 0x1FD);
/*FEC_MDC*/
mxc_request_iomux(MX51_PIN_NANDF_CS3, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_NANDF_CS3, 0x2004);
/* FEC RDATA[3] */
mxc_request_iomux(MX51_PIN_EIM_CS3, IOMUX_CONFIG_ALT3);
mxc_iomux_set_pad(MX51_PIN_EIM_CS3, 0x180);
/* FEC RDATA[2] */
mxc_request_iomux(MX51_PIN_EIM_CS2, IOMUX_CONFIG_ALT3);
mxc_iomux_set_pad(MX51_PIN_EIM_CS2, 0x180);
/* FEC RDATA[1] */
mxc_request_iomux(MX51_PIN_EIM_EB3, IOMUX_CONFIG_ALT3);
mxc_iomux_set_pad(MX51_PIN_EIM_EB3, 0x180);
/* FEC RDATA[0] */
mxc_request_iomux(MX51_PIN_NANDF_D9, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_NANDF_D9, 0x2180);
/* FEC TDATA[3] */
mxc_request_iomux(MX51_PIN_NANDF_CS6, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_NANDF_CS6, 0x2004);
/* FEC TDATA[2] */
mxc_request_iomux(MX51_PIN_NANDF_CS5, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_NANDF_CS5, 0x2004);
/* FEC TDATA[1] */
mxc_request_iomux(MX51_PIN_NANDF_CS4, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_NANDF_CS4, 0x2004);
/* FEC TDATA[0] */
mxc_request_iomux(MX51_PIN_NANDF_D8, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_NANDF_D8, 0x2004);
/* FEC TX_EN */
mxc_request_iomux(MX51_PIN_NANDF_CS7, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_CS7, 0x2004);
/* FEC TX_ER */
mxc_request_iomux(MX51_PIN_NANDF_CS2, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_NANDF_CS2, 0x2004);
/* FEC TX_CLK */
mxc_request_iomux(MX51_PIN_NANDF_RDY_INT, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_RDY_INT, 0x2180);
/* FEC TX_COL */
mxc_request_iomux(MX51_PIN_NANDF_RB2, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_RB2, 0x2180);
/* FEC RX_CLK */
mxc_request_iomux(MX51_PIN_NANDF_RB3, IOMUX_CONFIG_ALT1);
mxc_iomux_set_pad(MX51_PIN_NANDF_RB3, 0x2180);
/* FEC RX_CRS */
mxc_request_iomux(MX51_PIN_EIM_CS5, IOMUX_CONFIG_ALT3);
mxc_iomux_set_pad(MX51_PIN_EIM_CS5, 0x180);
/* FEC RX_ER */
mxc_request_iomux(MX51_PIN_EIM_CS4, IOMUX_CONFIG_ALT3);
mxc_iomux_set_pad(MX51_PIN_EIM_CS4, 0x180);
/* FEC RX_DV */
mxc_request_iomux(MX51_PIN_NANDF_D11, IOMUX_CONFIG_ALT2);
mxc_iomux_set_pad(MX51_PIN_NANDF_D11, 0x2180);
}
#ifdef CONFIG_MXC_SPI
static void setup_iomux_spi(void)
{
/* 000: Select mux mode: ALT0 mux port: MOSI of instance: ecspi1 */
mxc_request_iomux(MX51_PIN_CSPI1_MOSI, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_CSPI1_MOSI, 0x105);
/* 000: Select mux mode: ALT0 mux port: MISO of instance: ecspi1. */
mxc_request_iomux(MX51_PIN_CSPI1_MISO, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_CSPI1_MISO, 0x105);
/* de-select SS1 of instance: ecspi1. */
mxc_request_iomux(MX51_PIN_CSPI1_SS1, IOMUX_CONFIG_ALT3);
mxc_iomux_set_pad(MX51_PIN_CSPI1_SS1, 0x85);
/* 000: Select mux mode: ALT0 mux port: SS0 ecspi1 */
mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_CSPI1_SS0, 0x185);
/* 000: Select mux mode: ALT0 mux port: RDY of instance: ecspi1. */
mxc_request_iomux(MX51_PIN_CSPI1_RDY, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_CSPI1_RDY, 0x180);
/* 000: Select mux mode: ALT0 mux port: SCLK of instance: ecspi1. */
mxc_request_iomux(MX51_PIN_CSPI1_SCLK, IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_CSPI1_SCLK, 0x105);
}
#endif
static void power_init(void)
{
unsigned int val;
unsigned int reg;
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
/* Write needed to Power Gate 2 register */
val = pmic_reg_read(REG_POWER_MISC);
val &= ~PWGT2SPIEN;
pmic_reg_write(REG_POWER_MISC, val);
/* Externally powered */
val = pmic_reg_read(REG_CHARGE);
val |= ICHRG0 | ICHRG1 | ICHRG2 | ICHRG3 | CHGAUTOB;
pmic_reg_write(REG_CHARGE, val);
/* power up the system first */
pmic_reg_write(REG_POWER_MISC, PWUP);
/* Set core voltage to 1.1V */
val = pmic_reg_read(REG_SW_0);
val = (val & ~SWx_VOLT_MASK) | SWx_1_100V;
pmic_reg_write(REG_SW_0, val);
/* Setup VCC (SW2) to 1.25 */
val = pmic_reg_read(REG_SW_1);
val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
pmic_reg_write(REG_SW_1, val);
/* Setup 1V2_DIG1 (SW3) to 1.25 */
val = pmic_reg_read(REG_SW_2);
val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
pmic_reg_write(REG_SW_2, val);
udelay(50);
/* Raise the core frequency to 800MHz */
writel(0x0, &mxc_ccm->cacrr);
/* Set switchers in Auto in NORMAL mode & STANDBY mode */
/* Setup the switcher mode for SW1 & SW2*/
val = pmic_reg_read(REG_SW_4);
val = (val & ~((SWMODE_MASK << SWMODE1_SHIFT) |
(SWMODE_MASK << SWMODE2_SHIFT)));
val |= (SWMODE_AUTO_AUTO << SWMODE1_SHIFT) |
(SWMODE_AUTO_AUTO << SWMODE2_SHIFT);
pmic_reg_write(REG_SW_4, val);
/* Setup the switcher mode for SW3 & SW4 */
val = pmic_reg_read(REG_SW_5);
val = (val & ~((SWMODE_MASK << SWMODE3_SHIFT) |
(SWMODE_MASK << SWMODE4_SHIFT)));
val |= (SWMODE_AUTO_AUTO << SWMODE3_SHIFT) |
(SWMODE_AUTO_AUTO << SWMODE4_SHIFT);
pmic_reg_write(REG_SW_5, val);
/* Set VDIG to 1.65V, VGEN3 to 1.8V, VCAM to 2.6V */
val = pmic_reg_read(REG_SETTING_0);
val &= ~(VCAM_MASK | VGEN3_MASK | VDIG_MASK);
val |= VDIG_1_65 | VGEN3_1_8 | VCAM_2_6;
pmic_reg_write(REG_SETTING_0, val);
/* Set VVIDEO to 2.775V, VAUDIO to 3V, VSD to 3.15V */
val = pmic_reg_read(REG_SETTING_1);
val &= ~(VVIDEO_MASK | VSD_MASK | VAUDIO_MASK);
val |= VSD_3_15 | VAUDIO_3_0 | VVIDEO_2_775;
pmic_reg_write(REG_SETTING_1, val);
/* Configure VGEN3 and VCAM regulators to use external PNP */
val = VGEN3CONFIG | VCAMCONFIG;
pmic_reg_write(REG_MODE_1, val);
udelay(200);
reg = readl(GPIO2_BASE_ADDR + 0x0);
reg &= ~0x4000; /* Lower reset line */
writel(reg, GPIO2_BASE_ADDR + 0x0);
reg = readl(GPIO2_BASE_ADDR + 0x4);
reg |= 0x4000; /* configure GPIO lines as output */
writel(reg, GPIO2_BASE_ADDR + 0x4);
/* Reset the ethernet controller over GPIO */
writel(0x1, IOMUXC_BASE_ADDR + 0x0AC);
/* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */
val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG |
VVIDEOEN | VAUDIOEN | VSDEN;
pmic_reg_write(REG_MODE_1, val);
udelay(500);
reg = readl(GPIO2_BASE_ADDR + 0x0);
reg |= 0x4000;
writel(reg, GPIO2_BASE_ADDR + 0x0);
}
#ifdef CONFIG_FSL_ESDHC
int board_mmc_getcd(u8 *cd, struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
*cd = readl(GPIO1_BASE_ADDR) & 0x01;
else
*cd = readl(GPIO1_BASE_ADDR) & 0x40;
return 0;
}
int board_mmc_init(bd_t *bis)
{
u32 index;
s32 status = 0;
for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM;
index++) {
switch (index) {
case 0:
mxc_request_iomux(MX51_PIN_SD1_CMD,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_request_iomux(MX51_PIN_SD1_CLK,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_request_iomux(MX51_PIN_SD1_DATA0,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_request_iomux(MX51_PIN_SD1_DATA1,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_request_iomux(MX51_PIN_SD1_DATA2,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_request_iomux(MX51_PIN_SD1_DATA3,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_SD1_CMD,
PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
PAD_CTL_PUE_PULL |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_SD1_CLK,
PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
PAD_CTL_HYS_NONE | PAD_CTL_47K_PU |
PAD_CTL_PUE_PULL |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_SD1_DATA0,
PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
PAD_CTL_PUE_PULL |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_SD1_DATA1,
PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
PAD_CTL_PUE_PULL |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_SD1_DATA2,
PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
PAD_CTL_PUE_PULL |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_SD1_DATA3,
PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PD |
PAD_CTL_PUE_PULL |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_GPIO1_0,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_GPIO1_0,
PAD_CTL_HYS_ENABLE);
mxc_request_iomux(MX51_PIN_GPIO1_1,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_GPIO1_1,
PAD_CTL_HYS_ENABLE);
break;
case 1:
mxc_request_iomux(MX51_PIN_SD2_CMD,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_request_iomux(MX51_PIN_SD2_CLK,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_request_iomux(MX51_PIN_SD2_DATA0,
IOMUX_CONFIG_ALT0);
mxc_request_iomux(MX51_PIN_SD2_DATA1,
IOMUX_CONFIG_ALT0);
mxc_request_iomux(MX51_PIN_SD2_DATA2,
IOMUX_CONFIG_ALT0);
mxc_request_iomux(MX51_PIN_SD2_DATA3,
IOMUX_CONFIG_ALT0);
mxc_iomux_set_pad(MX51_PIN_SD2_CMD,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_SD2_CLK,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_SD2_DATA0,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_SD2_DATA1,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_SD2_DATA2,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
PAD_CTL_SRE_FAST);
mxc_iomux_set_pad(MX51_PIN_SD2_DATA3,
PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
PAD_CTL_SRE_FAST);
mxc_request_iomux(MX51_PIN_SD2_CMD,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_request_iomux(MX51_PIN_GPIO1_6,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_GPIO1_6,
PAD_CTL_HYS_ENABLE);
mxc_request_iomux(MX51_PIN_GPIO1_5,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_GPIO1_5,
PAD_CTL_HYS_ENABLE);
break;
default:
printf("Warning: you configured more ESDHC controller"
"(%d) as supported by the board(2)\n",
CONFIG_SYS_FSL_ESDHC_NUM);
return status;
}
status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
}
return status;
}
#endif
int board_early_init_f(void)
{
setup_iomux_uart();
setup_iomux_fec();
return 0;
}
int board_init(void)
{
system_rev = get_cpu_rev();
gd->bd->bi_arch_number = MACH_TYPE_MX51_BABBAGE;
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
return 0;
}
#ifdef BOARD_LATE_INIT
int board_late_init(void)
{
#ifdef CONFIG_MXC_SPI
setup_iomux_spi();
power_init();
#endif
return 0;
}
#endif
int checkboard(void)
{
puts("Board: MX51EVK\n");
return 0;
}