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u-boot/board/ronetix/pm9261/pm9261.c
Wenyou Yang 70341e2ed9 board: atmel: clean up peripheral clock code 
Due to introducing the new peripheral clock handle functions,
use these functions to reduce duplicated code.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Tested-by: Heiko Schocher <hs@denx.de>
[Rebased on current master, fixup for at91rm9200ek]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
2016-02-18 21:34:40 +01:00

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/*
* (C) Copyright 2007-2008
* Stelian Pop <stelian@popies.net>
* Lead Tech Design <www.leadtechdesign.com>
* Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
* Copyright (C) 2009 Jean-Christopher PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <linux/sizes.h>
#include <asm/io.h>
#include <asm/gpio.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/at91_matrix.h>
#include <asm/arch/clk.h>
#include <asm/arch/gpio.h>
#include <lcd.h>
#include <atmel_lcdc.h>
#include <dataflash.h>
#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000)
#include <net.h>
#endif
#include <netdev.h>
DECLARE_GLOBAL_DATA_PTR;
/* ------------------------------------------------------------------------- */
/*
* Miscelaneous platform dependent initialisations
*/
#ifdef CONFIG_CMD_NAND
static void pm9261_nand_hw_init(void)
{
unsigned long csa;
struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
/* Enable CS3 */
csa = readl(&matrix->csa) | AT91_MATRIX_CSA_EBI_CS3A;
writel(csa, &matrix->csa);
/* Configure SMC CS3 for NAND/SmartMedia */
writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
&smc->cs[3].setup);
writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
&smc->cs[3].pulse);
writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
&smc->cs[3].cycle);
writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
AT91_SMC_MODE_EXNW_DISABLE |
#ifdef CONFIG_SYS_NAND_DBW_16
AT91_SMC_MODE_DBW_16 |
#else /* CONFIG_SYS_NAND_DBW_8 */
AT91_SMC_MODE_DBW_8 |
#endif
AT91_SMC_MODE_TDF_CYCLE(2),
&smc->cs[3].mode);
at91_periph_clk_enable(ATMEL_ID_PIOA);
at91_periph_clk_enable(ATMEL_ID_PIOC);
/* Configure RDY/BSY */
gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
/* Enable NandFlash */
gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* NANDOE */
at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* NANDWE */
}
#endif
#ifdef CONFIG_DRIVER_DM9000
static void pm9261_dm9000_hw_init(void)
{
struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
/* Configure SMC CS2 for DM9000 */
writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
&smc->cs[2].setup);
writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(8) |
AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(8),
&smc->cs[2].pulse);
writel(AT91_SMC_CYCLE_NWE(16) | AT91_SMC_CYCLE_NRD(16),
&smc->cs[2].cycle);
writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
AT91_SMC_MODE_EXNW_DISABLE |
AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 |
AT91_SMC_MODE_TDF_CYCLE(1),
&smc->cs[2].mode);
/* Configure Interrupt pin as input, no pull-up */
at91_periph_clk_enable(ATMEL_ID_PIOA);
at91_set_pio_input(AT91_PIO_PORTA, 24, 0);
}
#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 = ATMEL_BASE_LCDC,
};
void lcd_enable(void)
{
at91_set_pio_value(AT91_PIO_PORTA, 22, 0); /* power up */
}
void lcd_disable(void)
{
at91_set_pio_value(AT91_PIO_PORTA, 22, 1); /* power down */
}
static void pm9261_lcd_hw_init(void)
{
at91_set_a_periph(AT91_PIO_PORTB, 1, 0); /* LCDHSYNC */
at91_set_a_periph(AT91_PIO_PORTB, 2, 0); /* LCDDOTCK */
at91_set_a_periph(AT91_PIO_PORTB, 3, 0); /* LCDDEN */
at91_set_a_periph(AT91_PIO_PORTB, 4, 0); /* LCDCC */
at91_set_a_periph(AT91_PIO_PORTB, 7, 0); /* LCDD2 */
at91_set_a_periph(AT91_PIO_PORTB, 8, 0); /* LCDD3 */
at91_set_a_periph(AT91_PIO_PORTB, 9, 0); /* LCDD4 */
at91_set_a_periph(AT91_PIO_PORTB, 10, 0); /* LCDD5 */
at91_set_a_periph(AT91_PIO_PORTB, 11, 0); /* LCDD6 */
at91_set_a_periph(AT91_PIO_PORTB, 12, 0); /* LCDD7 */
at91_set_a_periph(AT91_PIO_PORTB, 15, 0); /* LCDD10 */
at91_set_a_periph(AT91_PIO_PORTB, 16, 0); /* LCDD11 */
at91_set_a_periph(AT91_PIO_PORTB, 17, 0); /* LCDD12 */
at91_set_a_periph(AT91_PIO_PORTB, 18, 0); /* LCDD13 */
at91_set_a_periph(AT91_PIO_PORTB, 19, 0); /* LCDD14 */
at91_set_a_periph(AT91_PIO_PORTB, 20, 0); /* LCDD15 */
at91_set_b_periph(AT91_PIO_PORTB, 23, 0); /* LCDD18 */
at91_set_b_periph(AT91_PIO_PORTB, 24, 0); /* LCDD19 */
at91_set_b_periph(AT91_PIO_PORTB, 25, 0); /* LCDD20 */
at91_set_b_periph(AT91_PIO_PORTB, 26, 0); /* LCDD21 */
at91_set_b_periph(AT91_PIO_PORTB, 27, 0); /* LCDD22 */
at91_set_b_periph(AT91_PIO_PORTB, 28, 0); /* LCDD23 */
at91_system_clk_enable(AT91_PMC_HCK1);
gd->fb_base = ATMEL_BASE_SRAM;
}
#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",
CONFIG_SYS_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"
"%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_early_init_f(void)
{
at91_periph_clk_enable(ATMEL_ID_PIOA);
at91_periph_clk_enable(ATMEL_ID_PIOC);
at91_seriald_hw_init();
return 0;
}
int board_init(void)
{
/* arch number of PM9261-Board */
gd->bd->bi_arch_number = MACH_TYPE_PM9261;
/* adress of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
#ifdef CONFIG_CMD_NAND
pm9261_nand_hw_init();
#endif
#ifdef CONFIG_HAS_DATAFLASH
at91_spi0_hw_init(1 << 0);
#endif
#ifdef CONFIG_DRIVER_DM9000
pm9261_dm9000_hw_init();
#endif
#ifdef CONFIG_LCD
pm9261_lcd_hw_init();
#endif
return 0;
}
#ifdef CONFIG_DRIVER_DM9000
int board_eth_init(bd_t *bis)
{
return dm9000_initialize(bis);
}
#endif
int dram_init(void)
{
/* dram_init must store complete ramsize in gd->ram_size */
gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
PHYS_SDRAM_SIZE);
return 0;
}
void dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM;
gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
}
#ifdef CONFIG_RESET_PHY_R
void reset_phy(void)
{
#ifdef CONFIG_DRIVER_DM9000
/*
* Initialize ethernet HW addr prior to starting Linux,
* needed for nfsroot
*/
eth_init();
#endif
}
#endif
#ifdef CONFIG_DISPLAY_BOARDINFO
int checkboard (void)
{
char buf[32];
printf ("Board : Ronetix PM9261\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()));
return 0;
}
#endif
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