diff options
Diffstat (limited to 'board/emk/top9000/top9000.c')
| -rw-r--r-- | board/emk/top9000/top9000.c | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/board/emk/top9000/top9000.c b/board/emk/top9000/top9000.c deleted file mode 100644 index 6e2ffddb0a..0000000000 --- a/board/emk/top9000/top9000.c +++ /dev/null @@ -1,273 +0,0 @@ -/* - * (C) Copyright 2007-2008 - * Stelian Pop <stelian@popies.net> - * Lead Tech Design <www.leadtechdesign.com> - * - * (C) Copyright 2010 - * Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <net.h> -#include <netdev.h> -#include <mmc.h> -#include <atmel_mci.h> -#include <i2c.h> -#include <spi.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <asm/arch/at91sam9260_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/at91_shdwn.h> -#include <asm/arch/gpio.h> - -DECLARE_GLOBAL_DATA_PTR; - -#ifdef CONFIG_CMD_NAND -static void nand_hw_init(void) -{ - struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; - struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; - unsigned long csa; - - /* Assign CS3 to NAND/SmartMedia Interface */ - csa = readl(&matrix->ebicsa); - csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA; - writel(csa, &matrix->ebicsa); - - /* 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 | - AT91_SMC_MODE_DBW_8 | - AT91_SMC_MODE_TDF_CYCLE(2), - &smc->cs[3].mode); - - /* 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 macb_hw_init(void) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - /* Enable EMAC clock */ - writel(1 << ATMEL_ID_EMAC0, &pmc->pcer); - - /* Initialize EMAC=MACB hardware */ - at91_macb_hw_init(); -} -#endif - -#ifdef CONFIG_GENERIC_ATMEL_MCI -/* this is a weak define that we are overriding */ -int board_mmc_init(bd_t *bd) -{ - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - /* Enable MCI clock */ - writel(1 << ATMEL_ID_MCI, &pmc->pcer); - - /* Initialize MCI hardware */ - at91_mci_hw_init(); - - /* This calls the atmel_mmc_init in gen_atmel_mci.c */ - return atmel_mci_init((void *)ATMEL_BASE_MCI); -} - -/* this is a weak define that we are overriding */ -int board_mmc_getcd(struct mmc *mmc) -{ - return !at91_get_gpio_value(CONFIG_SYS_MMC_CD_PIN); -} - -#endif - -int board_early_init_f(void) -{ - struct at91_shdwn *shdwn = (struct at91_shdwn *)ATMEL_BASE_SHDWN; - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - - /* - * make sure the board can be powered on by - * any transition on WKUP - */ - writel(AT91_SHDW_MR_WKMODE0H2L | AT91_SHDW_MR_WKMODE0L2H, - &shdwn->mr); - - /* Enable clocks for all PIOs */ - writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) | - (1 << ATMEL_ID_PIOC), - &pmc->pcer); - - /* set SCL0 and SDA0 to open drain */ - at91_set_pio_output(I2C0_PORT, SCL0_PIN, 1); - at91_set_pio_multi_drive(I2C0_PORT, SCL0_PIN, 1); - at91_set_pio_pullup(I2C0_PORT, SCL0_PIN, 1); - at91_set_pio_output(I2C0_PORT, SDA0_PIN, 1); - at91_set_pio_multi_drive(I2C0_PORT, SDA0_PIN, 1); - at91_set_pio_pullup(I2C0_PORT, SDA0_PIN, 1); - - /* set SCL1 and SDA1 to open drain */ - at91_set_pio_output(I2C1_PORT, SCL1_PIN, 1); - at91_set_pio_multi_drive(I2C1_PORT, SCL1_PIN, 1); - at91_set_pio_pullup(I2C1_PORT, SCL1_PIN, 1); - at91_set_pio_output(I2C1_PORT, SDA1_PIN, 1); - at91_set_pio_multi_drive(I2C1_PORT, SDA1_PIN, 1); - at91_set_pio_pullup(I2C1_PORT, SDA1_PIN, 1); - return 0; -} - -int board_init(void) -{ - /* arch number of TOP9000 Board */ - gd->bd->bi_arch_number = MACH_TYPE_TOP9000; - /* adress of boot parameters */ - gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; - - at91_seriald_hw_init(); -#ifdef CONFIG_CMD_NAND - nand_hw_init(); -#endif -#ifdef CONFIG_MACB - macb_hw_init(); -#endif -#ifdef CONFIG_ATMEL_SPI0 - /* (n+4) denotes to use nSPISEL(0) in GPIO mode! */ - at91_spi0_hw_init(1 << (FRAM_CS_NUM + 4)); -#endif -#ifdef CONFIG_ATMEL_SPI1 - at91_spi1_hw_init(1 << (ENC_CS_NUM + 4)); -#endif - return 0; -} - -#ifdef CONFIG_MISC_INIT_R -int misc_init_r(void) -{ - /* read 'factory' part of EEPROM */ - read_factory_r(); - return 0; -} -#endif - -int dram_init(void) -{ - gd->ram_size = get_ram_size( - (void *)CONFIG_SYS_SDRAM_BASE, - CONFIG_SYS_SDRAM_SIZE); - return 0; -} - -#ifdef CONFIG_RESET_PHY_R -void reset_phy(void) -{ - /* - * Initialize ethernet HW addresses prior to starting Linux, - * needed for nfsroot. - * TODO: We need to investigate if that is really necessary. - */ - eth_init(gd->bd); -} -#endif - -int board_eth_init(bd_t *bis) -{ - int rc = 0; - int num = 0; -#ifdef CONFIG_MACB - rc = macb_eth_initialize(0, - (void *)ATMEL_BASE_EMAC0, - CONFIG_SYS_PHY_ID); - if (!rc) - num++; -#endif -#ifdef CONFIG_ENC28J60 - rc = enc28j60_initialize(ENC_SPI_BUS, ENC_CS_NUM, - ENC_SPI_CLOCK, SPI_MODE_0); - if (!rc) - num++; -# ifdef CONFIG_ENC28J60_2 - rc = enc28j60_initialize(ENC_SPI_BUS, ENC_CS_NUM+1, - ENC_SPI_CLOCK, SPI_MODE_0); - if (!rc) - num++; -# ifdef CONFIG_ENC28J60_3 - rc = enc28j60_initialize(ENC_SPI_BUS, ENC_CS_NUM+2, - ENC_SPI_CLOCK, SPI_MODE_0); - if (!rc) - num++; -# endif -# endif -#endif - return num; -} - -/* - * I2C access functions - * - * Note: - * We need to access Bus 0 before relocation to access the - * environment settings. - * However i2c_get_bus_num() cannot be called before - * relocation. - */ -#ifdef CONFIG_SYS_I2C_SOFT -void iic_init(void) -{ - /* ports are now initialized in board_early_init_f() */ -} - -int iic_read(void) -{ - switch (I2C_ADAP_HWNR) { - case 0: - return at91_get_pio_value(I2C0_PORT, SDA0_PIN); - case 1: - return at91_get_pio_value(I2C1_PORT, SDA1_PIN); - } - return 1; -} - -void iic_sda(int bit) -{ - switch (I2C_ADAP_HWNR) { - case 0: - at91_set_pio_value(I2C0_PORT, SDA0_PIN, bit); - break; - case 1: - at91_set_pio_value(I2C1_PORT, SDA1_PIN, bit); - break; - } -} - -void iic_scl(int bit) -{ - switch (I2C_ADAP_HWNR) { - case 0: - at91_set_pio_value(I2C0_PORT, SCL0_PIN, bit); - break; - case 1: - at91_set_pio_value(I2C1_PORT, SCL1_PIN, bit); - break; - } -} - -#endif |
