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/*
* (C) Copyright 2007-2008
* Stelian Pop <stelian.pop@leadtechdesign.com>
* Lead Tech Design <www.leadtechdesign.com>
* Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
* Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
*
* 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/sizes.h>
#include <asm/arch/at91sam9263.h>
#include <asm/arch/at91sam9263_matrix.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/clk.h>
#include <asm/arch/gpio.h>
#include <asm/arch/io.h>
#include <asm/arch/hardware.h>
#include <lcd.h>
#include <atmel_lcdc.h>
#include <dataflash.h>
#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
#include <net.h>
#endif
#include <netdev.h>
DECLARE_GLOBAL_DATA_PTR;
/* ------------------------------------------------------------------------- */
/*
* Miscelaneous platform dependent initialisations
*/
#ifdef CONFIG_CMD_NAND
static void pm9263_nand_hw_init(void)
{
unsigned long csa;
/* Enable CS3 */
csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
at91_sys_write(AT91_MATRIX_EBI0CSA,
csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);
/* Configure SMC CS3 for NAND/SmartMedia */
at91_sys_write(AT91_SMC_SETUP(3),
AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(1) |
AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(1));
at91_sys_write(AT91_SMC_PULSE(3),
AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
at91_sys_write(AT91_SMC_CYCLE(3),
AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
at91_sys_write(AT91_SMC_MODE(3),
AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
AT91_SMC_EXNWMODE_DISABLE |
#ifdef CONFIG_SYS_NAND_DBW_16
AT91_SMC_DBW_16 |
#else /* CONFIG_SYS_NAND_DBW_8 */
AT91_SMC_DBW_8 |
#endif
AT91_SMC_TDF_(2));
/* Configure RDY/BSY */
at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
/* Enable NandFlash */
at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
}
#endif
#ifdef CONFIG_MACB
static void pm9263_macb_hw_init(void)
{
/*
* PB27 enables the 50MHz oscillator for Ethernet PHY
* 1 - enable
* 0 - disable
*/
at91_set_gpio_output(AT91_PIN_PB27, 1);
at91_set_gpio_value(AT91_PIN_PB27, 1); /* 1- enable, 0 - disable */
/* Enable clock */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_EMAC);
/*
* Disable pull-up on:
* RXDV (PC25) => PHY normal mode (not Test mode)
* ERX0 (PE25) => PHY ADDR0
* ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
*
* PHY has internal pull-down
*/
writel(pin_to_mask(AT91_PIN_PC25),
pin_to_controller(AT91_PIN_PC0) + PIO_PUDR);
writel(pin_to_mask(AT91_PIN_PE25) |
pin_to_mask(AT91_PIN_PE26),
pin_to_controller(AT91_PIN_PE0) + PIO_PUDR);
/* Re-enable pull-up */
writel(pin_to_mask(AT91_PIN_PC25),
pin_to_controller(AT91_PIN_PC0) + PIO_PUER);
writel(pin_to_mask(AT91_PIN_PE25) |
pin_to_mask(AT91_PIN_PE26),
pin_to_controller(AT91_PIN_PE0) + PIO_PUER);
at91_macb_hw_init();
}
#endif
#ifdef CONFIG_LCD
vidinfo_t panel_info = {
vl_col: 240,
vl_row: 320,
vl_clk: 4965000,
vl_sync: ATMEL_LCDC_INVLINE_INVERTED |
ATMEL_LCDC_INVFRAME_INVERTED,
vl_bpix: 3,
vl_tft: 1,
vl_hsync_len: 5,
vl_left_margin: 1,
vl_right_margin:33,
vl_vsync_len: 1,
vl_upper_margin:1,
vl_lower_margin:0,
mmio: AT91SAM9263_LCDC_BASE,
};
void lcd_enable(void)
{
at91_set_gpio_value(AT91_PIN_PA22, 1); /* power up */
}
void lcd_disable(void)
{
at91_set_gpio_value(AT91_PIN_PA22, 0); /* power down */
}
#ifdef CONFIG_LCD_IN_PSRAM
#define PSRAM_CRE_PIN AT91_PIN_PB29
#define PSRAM_CTRL_REG (PHYS_PSRAM + PHYS_PSRAM_SIZE - 2)
/* Initialize the PSRAM memory */
static int pm9263_lcd_hw_psram_init(void)
{
volatile uint16_t x;
/* setup PB29 as output */
at91_set_gpio_output(PSRAM_CRE_PIN, 1);
at91_set_gpio_value(PSRAM_CRE_PIN, 0); /* set PSRAM_CRE_PIN to '0' */
/* PSRAM: write BCR */
x = readw(PSRAM_CTRL_REG);
x = readw(PSRAM_CTRL_REG);
writew(1, PSRAM_CTRL_REG); /* 0 - RCR,1 - BCR */
writew(0x9d4f, PSRAM_CTRL_REG); /* write the BCR */
/* write RCR of the PSRAM */
x = readw(PSRAM_CTRL_REG);
x = readw(PSRAM_CTRL_REG);
writew(0, PSRAM_CTRL_REG); /* 0 - RCR,1 - BCR */
/* set RCR; 0x10-async mode,0x90-page mode */
writew(0x90, PSRAM_CTRL_REG);
/*
* test to see if the PSRAM is MT45W2M16A or MT45W2M16B
* MT45W2M16B - CRE must be 0
* MT45W2M16A - CRE must be 1
*/
writew(0x1234, PHYS_PSRAM);
writew(0x5678, PHYS_PSRAM + 2);
/* test if the chip is MT45W2M16B */
if ((readw(PHYS_PSRAM) != 0x1234) || (readw(PHYS_PSRAM+2) != 0x5678)) {
/* try with CRE=1 (MT45W2M16A) */
at91_set_gpio_value(PSRAM_CRE_PIN, 1); /* set PSRAM_CRE_PIN to '1' */
/* write RCR of the PSRAM */
x = readw(PSRAM_CTRL_REG);
x = readw(PSRAM_CTRL_REG);
writew(0, PSRAM_CTRL_REG); /* 0 - RCR,1 - BCR */
/* set RCR;0x10-async mode,0x90-page mode */
writew(0x90, PSRAM_CTRL_REG);
writew(0x1234, PHYS_PSRAM);
writew(0x5678, PHYS_PSRAM+2);
if ((readw(PHYS_PSRAM) != 0x1234)
|| (readw(PHYS_PSRAM + 2) != 0x5678))
return 1;
}
/* Bus matrix */
at91_sys_write( AT91_MATRIX_PRAS5, AT91_MATRIX_M5PR );
at91_sys_write( AT91_MATRIX_SCFG5, AT91_MATRIX_ARBT_FIXED_PRIORITY |
(AT91_MATRIX_FIXED_DEFMSTR & (5 << 18)) |
AT91_MATRIX_DEFMSTR_TYPE_FIXED |
(AT91_MATRIX_SLOT_CYCLE & (0x80 << 0)));
return 0;
}
#endif
static void pm9263_lcd_hw_init(void)
{
at91_set_A_periph(AT91_PIN_PC0, 0); /* LCDVSYNC */
at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDHSYNC */
at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDDOTCK */
at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDDEN */
at91_set_B_periph(AT91_PIN_PB9, 0); /* LCDCC */
at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDD2 */
at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDD3 */
at91_set_A_periph(AT91_PIN_PC8, 0); /* LCDD4 */
at91_set_A_periph(AT91_PIN_PC9, 0); /* LCDD5 */
at91_set_A_periph(AT91_PIN_PC10, 0); /* LCDD6 */
at91_set_A_periph(AT91_PIN_PC11, 0); /* LCDD7 */
at91_set_A_periph(AT91_PIN_PC14, 0); /* LCDD10 */
at91_set_A_periph(AT91_PIN_PC15, 0); /* LCDD11 */
at91_set_A_periph(AT91_PIN_PC16, 0); /* LCDD12 */
at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD13 */
at91_set_A_periph(AT91_PIN_PC18, 0); /* LCDD14 */
at91_set_A_periph(AT91_PIN_PC19, 0); /* LCDD15 */
at91_set_A_periph(AT91_PIN_PC22, 0); /* LCDD18 */
at91_set_A_periph(AT91_PIN_PC23, 0); /* LCDD19 */
at91_set_A_periph(AT91_PIN_PC24, 0); /* LCDD20 */
at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD21 */
at91_set_A_periph(AT91_PIN_PC26, 0); /* LCDD22 */
at91_set_A_periph(AT91_PIN_PC27, 0); /* LCDD23 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_LCDC);
/* Power Control */
at91_set_gpio_output(AT91_PIN_PA22, 1);
at91_set_gpio_value(AT91_PIN_PA22, 0); /* power down */
#ifdef CONFIG_LCD_IN_PSRAM
/* initialize te PSRAM */
int stat = pm9263_lcd_hw_psram_init();
gd->fb_base = (stat == 0) ? PHYS_PSRAM : AT91SAM9263_SRAM0_BASE;
#else
gd->fb_base = AT91SAM9263_SRAM0_BASE;
#endif
}
#ifdef CONFIG_LCD_INFO
#include <nand.h>
#include <version.h>
extern flash_info_t flash_info[];
void lcd_show_board_info(void)
{
ulong dram_size, nand_size, flash_size, dataflash_size;
int i;
char temp[32];
lcd_printf ("%s\n", U_BOOT_VERSION);
lcd_printf ("(C) 2009 Ronetix GmbH\n");
lcd_printf ("support@ronetix.at\n");
lcd_printf ("%s CPU at %s MHz",
AT91_CPU_NAME,
strmhz(temp, get_cpu_clk_rate()));
dram_size = 0;
for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
dram_size += gd->bd->bi_dram[i].size;
nand_size = 0;
for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
nand_size += nand_info[i].size;
flash_size = 0;
for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
flash_size += flash_info[i].size;
dataflash_size = 0;
for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++)
dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number *
dataflash_info[i].Device.pages_size;
lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
"4 MB PSRAM, %ld MB DataFlash\n",
dram_size >> 20,
nand_size >> 20,
flash_size >> 20,
dataflash_size >> 20);
}
#endif /* CONFIG_LCD_INFO */
#endif /* CONFIG_LCD */
int board_init(void)
{
/* Enable Ctrlc */
console_init_f();
at91_sys_write(AT91_PMC_PCER,
(1 << AT91SAM9263_ID_PIOA) |
(1 << AT91SAM9263_ID_PIOCDE) |
(1 << AT91SAM9263_ID_PIOB));
/* arch number of AT91SAM9263EK-Board */
gd->bd->bi_arch_number = MACH_TYPE_PM9263;
/* adress of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
at91_serial_hw_init();
#ifdef CONFIG_CMD_NAND
pm9263_nand_hw_init();
#endif
#ifdef CONFIG_HAS_DATAFLASH
at91_spi0_hw_init(1 << 0);
#endif
#ifdef CONFIG_MACB
pm9263_macb_hw_init();
#endif
#ifdef CONFIG_USB_OHCI_NEW
at91_uhp_hw_init();
#endif
#ifdef CONFIG_LCD
pm9263_lcd_hw_init();
#endif
return 0;
}
int dram_init(void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM;
gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
return 0;
}
#ifdef CONFIG_RESET_PHY_R
void reset_phy(void)
{
#ifdef CONFIG_MACB
/*
* Initialize ethernet HW addr prior to starting Linux,
* needed for nfsroot
*/
eth_init(gd->bd);
#endif
}
#endif
int board_eth_init(bd_t *bis)
{
int rc = 0;
#ifdef CONFIG_MACB
rc = macb_eth_initialize(0, (void *)AT91SAM9263_BASE_EMAC, 0x01);
#endif
return rc;
}
#ifdef CONFIG_DISPLAY_BOARDINFO
int checkboard (void)
{
char *ss;
char buf[32];
printf ("Board : Ronetix PM9263\n");
printf ("Crystal frequency: %8s MHz\n",
strmhz(buf, get_main_clk_rate()));
printf ("CPU clock : %8s MHz\n",
strmhz(buf, get_cpu_clk_rate()));
printf ("Master clock : %8s MHz\n",
strmhz(buf, get_mck_clk_rate()));
switch (gd->fb_base) {
case PHYS_PSRAM:
ss = "(PSRAM)";
break;
case AT91SAM9263_SRAM0_BASE:
ss = "(Internal SRAM)";
break;
default:
ss = "";
break;
}
printf("Video memory : 0x%08lX %s\n", gd->fb_base, ss );
printf ("\n");
return 0;
}
#endif