mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-20 03:38:43 +00:00
6f984adb31
Fix warning: pm9g45.c: In function 'pm9g45_macb_hw_init': pm9g45.c:99: warning: unused variable 'pio' Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Ilko Iliev <iliev@ronetix.at>
187 lines
4.6 KiB
C
187 lines
4.6 KiB
C
/*
|
|
* (C) Copyright 2010
|
|
* Ilko Iliev <iliev@ronetix.at>
|
|
* Asen Dimov <dimov@ronetix.at>
|
|
* Ronetix GmbH <www.ronetix.at>
|
|
*
|
|
* (C) Copyright 2007-2008
|
|
* Stelian Pop <stelian.pop@leadtechdesign.com>
|
|
* Lead Tech Design <www.leadtechdesign.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/at91sam9g45.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/at91_matrix.h>
|
|
#include <asm/arch/at91_pio.h>
|
|
#include <asm/arch/clk.h>
|
|
#include <asm/arch/io.h>
|
|
#include <asm/arch/hardware.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 pm9g45_nand_hw_init(void)
|
|
{
|
|
unsigned long csa;
|
|
at91_smc_t *smc = (at91_smc_t *) AT91_SMC_BASE;
|
|
at91_matrix_t *matrix = (at91_matrix_t *) AT91_MATRIX_BASE;
|
|
at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
|
|
|
|
/* Enable CS3 */
|
|
csa = readl(&matrix->ccr[6]) | AT91_MATRIX_CSA_EBI_CS3A;
|
|
writel(csa, &matrix->ccr[6]);
|
|
|
|
/* 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(4) | AT91_SMC_PULSE_NCS_WR(3) |
|
|
AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(2),
|
|
&smc->cs[3].pulse);
|
|
|
|
writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(4),
|
|
&smc->cs[3].cycle);
|
|
|
|
writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
|
|
AT91_SMC_MODE_EXNW_DISABLE |
|
|
AT91_SMC_MODE_DBW_8 |
|
|
AT91_SMC_MODE_TDF_CYCLE(3),
|
|
&smc->cs[3].mode);
|
|
|
|
writel(1 << AT91SAM9G45_ID_PIOC, &pmc->pcer);
|
|
|
|
#ifdef CONFIG_SYS_NAND_READY_PIN
|
|
/* Configure RDY/BSY */
|
|
at91_set_pio_input(CONFIG_SYS_NAND_READY_PIN, 1);
|
|
#endif
|
|
|
|
/* Enable NandFlash */
|
|
at91_set_pio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACB
|
|
static void pm9g45_macb_hw_init(void)
|
|
{
|
|
at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
|
|
|
|
/*
|
|
* PD2 enables the 50MHz oscillator for Ethernet PHY
|
|
* 1 - enable
|
|
* 0 - disable
|
|
*/
|
|
at91_set_pio_output(AT91_PIO_PORTD, 2, 1);
|
|
at91_set_pio_value(AT91_PIO_PORTD, 2, 1); /* 1- enable, 0 - disable */
|
|
|
|
/* Enable clock */
|
|
writel(1 << AT91SAM9G45_ID_EMAC, &pmc->pcer);
|
|
|
|
/*
|
|
* Disable pull-up on:
|
|
* RXDV (PA15) => PHY normal mode (not Test mode)
|
|
* ERX0 (PA12) => PHY ADDR0
|
|
* ERX1 (PA13) => PHY ADDR1 => PHYADDR = 0x0
|
|
*
|
|
* PHY has internal pull-down
|
|
*/
|
|
at91_set_pio_pullup(AT91_PIO_PORTA, 15, 0);
|
|
at91_set_pio_pullup(AT91_PIO_PORTA, 12, 0);
|
|
at91_set_pio_pullup(AT91_PIO_PORTA, 13, 0);
|
|
|
|
/* Re-enable pull-up */
|
|
at91_set_pio_pullup(AT91_PIO_PORTA, 15, 1);
|
|
at91_set_pio_pullup(AT91_PIO_PORTA, 12, 1);
|
|
at91_set_pio_pullup(AT91_PIO_PORTA, 13, 1);
|
|
|
|
at91_macb_hw_init();
|
|
}
|
|
#endif
|
|
|
|
int board_init(void)
|
|
{
|
|
at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
|
|
|
|
/* Enable Ctrlc */
|
|
console_init_f();
|
|
|
|
writel((1 << AT91SAM9G45_ID_PIOA) |
|
|
(1 << AT91SAM9G45_ID_PIOB) |
|
|
(1 << AT91SAM9G45_ID_PIOC) |
|
|
(1 << AT91SAM9G45_ID_PIODE), &pmc->pcer);
|
|
|
|
/* arch number of AT91SAM9M10G45EK-Board */
|
|
gd->bd->bi_arch_number = MACH_TYPE_PM9G45;
|
|
/* adress of boot parameters */
|
|
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
|
|
|
|
at91_serial_hw_init();
|
|
#ifdef CONFIG_CMD_NAND
|
|
pm9g45_nand_hw_init();
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACB
|
|
pm9g45_macb_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 *)AT91_EMAC_BASE, 0x01);
|
|
#endif
|
|
return rc;
|
|
}
|