X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Fesd%2Fmeesc%2Fmeesc.c;h=29b634113208d9a5f76ba4ad7b7258a1135141e6;hb=83d290c56fab2d38cd1ab4c4cc7099559c1d5046;hp=636d0ed5f20c525562bff36cb4b0e41a62ad8acb;hpb=59869ca72df8bc4e4ffa9dd17cb6673bbe010272;p=platform%2Fkernel%2Fu-boot.git diff --git a/board/esd/meesc/meesc.c b/board/esd/meesc/meesc.c index 636d0ed..29b6341 100644 --- a/board/esd/meesc/meesc.c +++ b/board/esd/meesc/meesc.c @@ -1,42 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2007-2008 - * Stelian Pop + * Stelian Pop * Lead Tech Design * - * (C) Copyright 2009 + * (C) Copyright 2009-2015 * Daniel Gorsulowski * esd electronic system design gmbh - * - * 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 -#include -#include +#include +#include +#include +#include #include #include #include #include +#include +#include #include -#include -#include -#include #include DECLARE_GLOBAL_DATA_PTR; @@ -45,6 +29,7 @@ DECLARE_GLOBAL_DATA_PTR; * Miscelaneous platform dependent initialisations */ +#ifdef CONFIG_REVISION_TAG static int hw_rev = -1; /* hardware revision */ int get_hw_rev(void) @@ -52,59 +37,59 @@ int get_hw_rev(void) if (hw_rev >= 0) return hw_rev; - hw_rev = at91_get_gpio_value(AT91_PIN_PB19); - hw_rev |= at91_get_gpio_value(AT91_PIN_PB20) << 1; - hw_rev |= at91_get_gpio_value(AT91_PIN_PB21) << 2; - hw_rev |= at91_get_gpio_value(AT91_PIN_PB22) << 3; + hw_rev = at91_get_pio_value(AT91_PIO_PORTB, 19); + hw_rev |= at91_get_pio_value(AT91_PIO_PORTB, 20) << 1; + hw_rev |= at91_get_pio_value(AT91_PIO_PORTB, 21) << 2; + hw_rev |= at91_get_pio_value(AT91_PIO_PORTB, 22) << 3; if (hw_rev == 15) hw_rev = 0; return hw_rev; } +#endif /* CONFIG_REVISION_TAG */ #ifdef CONFIG_CMD_NAND static void meesc_nand_hw_init(void) { unsigned long csa; + at91_smc_t *smc = (at91_smc_t *) ATMEL_BASE_SMC0; + at91_matrix_t *matrix = (at91_matrix_t *) ATMEL_BASE_MATRIX; /* Enable CS3 */ - csa = at91_sys_read(AT91_MATRIX_EBI0CSA); - at91_sys_write(AT91_MATRIX_EBI0CSA, - csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA); + csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A; + writel(csa, &matrix->csa[0]); /* Configure SMC CS3 for NAND/SmartMedia */ - at91_sys_write(AT91_SMC_SETUP(3), - AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) | - AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0)); - 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)); + writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) | + AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(2), + &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(6) | AT91_SMC_CYCLE_NRD(6), + &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(12), + &smc->cs[3].mode); /* Configure RDY/BSY */ - at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1); + gpio_direction_input(CONFIG_SYS_NAND_READY_PIN); /* Enable NandFlash */ - at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); + gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); } #endif /* CONFIG_CMD_NAND */ #ifdef CONFIG_MACB static void meesc_macb_hw_init(void) { - /* Enable clock */ - at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_EMAC); + at91_periph_clk_enable(ATMEL_ID_EMAC); + at91_macb_hw_init(); } #endif @@ -117,30 +102,42 @@ static void meesc_macb_hw_init(void) */ static void meesc_ethercat_hw_init(void) { + at91_smc_t *smc1 = (at91_smc_t *) ATMEL_BASE_SMC1; + /* Configure SMC EBI1_CS0 for EtherCAT */ - at91_sys_write(AT91_SMC1_SETUP(0), - AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) | - AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0)); - at91_sys_write(AT91_SMC1_PULSE(0), - AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(9) | - AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(9)); - at91_sys_write(AT91_SMC1_CYCLE(0), - AT91_SMC_NWECYCLE_(10) | AT91_SMC_NRDCYCLE_(5)); - /* Configure behavior at external wait signal, byte-select mode, 16 bit - data bus width, none data float wait states and TDF optimization */ - at91_sys_write(AT91_SMC1_MODE(0), - AT91_SMC_READMODE | AT91_SMC_EXNWMODE_READY | - AT91_SMC_BAT_SELECT | AT91_SMC_DBW_16 | AT91_SMC_TDF_(0) | - AT91_SMC_TDFMODE); + writel(AT91_SMC_SETUP_NWE(0) | AT91_SMC_SETUP_NCS_WR(0) | + AT91_SMC_SETUP_NRD(0) | AT91_SMC_SETUP_NCS_RD(0), + &smc1->cs[0].setup); + writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(9) | + AT91_SMC_PULSE_NRD(5) | AT91_SMC_PULSE_NCS_RD(9), + &smc1->cs[0].pulse); + writel(AT91_SMC_CYCLE_NWE(10) | AT91_SMC_CYCLE_NRD(6), + &smc1->cs[0].cycle); + /* + * Configure behavior at external wait signal, byte-select mode, 16 bit + * data bus width, none data float wait states and TDF optimization + */ + writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_EXNW_READY | + AT91_SMC_MODE_DBW_16 | AT91_SMC_MODE_TDF_CYCLE(0) | + AT91_SMC_MODE_TDF, &smc1->cs[0].mode); /* Configure RDY/BSY */ - at91_set_B_periph(AT91_PIN_PE20, 0); /* EBI1_NWAIT */ + at91_set_b_periph(AT91_PIO_PORTE, 20, 0); /* EBI1_NWAIT */ } 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; +} + +int dram_init_banksize(void) +{ gd->bd->bi_dram[0].start = PHYS_SDRAM; - gd->bd->bi_dram[0].size = get_ram_size((long *) PHYS_SDRAM, (1 << 27)); + gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; + return 0; } @@ -148,51 +145,132 @@ int board_eth_init(bd_t *bis) { int rc = 0; #ifdef CONFIG_MACB - rc = macb_eth_initialize(0, (void *)AT91SAM9263_BASE_EMAC, 0x00); + rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x00); #endif return rc; } +#ifdef CONFIG_DISPLAY_BOARDINFO int checkboard(void) { char str[32]; + u_char hw_type; /* hardware type */ - puts("Board: esd CAN-EtherCAT Gateway"); - if (getenv_r("serial#", str, sizeof(str)) > 0) { + /* read the "Type" register of the ET1100 controller */ + hw_type = readb(CONFIG_ET1100_BASE); + + switch (hw_type) { + case 0x11: + case 0x3F: + /* ET1100 present, arch number of MEESC-Board */ + gd->bd->bi_arch_number = MACH_TYPE_MEESC; + puts("Board: CAN-EtherCAT Gateway"); + break; + case 0xFF: + /* no ET1100 present, arch number of EtherCAN/2-Board */ + gd->bd->bi_arch_number = MACH_TYPE_ETHERCAN2; + puts("Board: EtherCAN/2 Gateway"); + /* switch on LED1D */ + at91_set_pio_output(AT91_PIO_PORTB, 12, 1); + break; + default: + /* assume, no ET1100 present, arch number of EtherCAN/2-Board */ + gd->bd->bi_arch_number = MACH_TYPE_ETHERCAN2; + printf("ERROR! Read invalid hw_type: %02X\n", hw_type); + puts("Board: EtherCAN/2 Gateway"); + break; + } + if (env_get_f("serial#", str, sizeof(str)) > 0) { puts(", serial# "); puts(str); } +#ifdef CONFIG_REVISION_TAG printf("\nHardware-revision: 1.%d\n", get_hw_rev()); +#endif printf("Mach-type: %lu\n", gd->bd->bi_arch_number); return 0; } +#endif /* CONFIG_DISPLAY_BOARDINFO */ -int board_init(void) +#ifdef CONFIG_SERIAL_TAG +void get_board_serial(struct tag_serialnr *serialnr) +{ + char *str; + + char *serial = env_get("serial#"); + if (serial) { + str = strchr(serial, '_'); + if (str && (strlen(str) >= 4)) { + serialnr->high = (*(str + 1) << 8) | *(str + 2); + serialnr->low = simple_strtoul(str + 3, NULL, 16); + } + } else { + serialnr->high = 0; + serialnr->low = 0; + } +} +#endif + +#ifdef CONFIG_REVISION_TAG +u32 get_board_rev(void) +{ + return hw_rev | 0x100; +} +#endif + +#ifdef CONFIG_MISC_INIT_R +int misc_init_r(void) +{ + char *str; + char buf[32]; + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + /* + * Normally the processor clock has a divisor of 2. + * In some cases this this needs to be set to 4. + * Check the user has set environment mdiv to 4 to change the divisor. + */ + str = env_get("mdiv"); + if (str && (strcmp(str, "4") == 0)) { + writel((readl(&pmc->mckr) & ~AT91_PMC_MDIV) | + AT91SAM9_PMC_MDIV_4, &pmc->mckr); + at91_clock_init(CONFIG_SYS_AT91_MAIN_CLOCK); + serial_setbrg(); + /* Notify the user that the clock is not default */ + printf("Setting master clock to %s MHz\n", + strmhz(buf, get_mck_clk_rate())); + } + + return 0; +} +#endif /* CONFIG_MISC_INIT_R */ + +int board_early_init_f(void) { - /* Peripheral Clock Enable Register */ - at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_PIOA | - 1 << AT91SAM9263_ID_PIOB | - 1 << AT91SAM9263_ID_PIOCDE); + at91_periph_clk_enable(ATMEL_ID_UHP); - /* arch number of MEESC-Board */ - gd->bd->bi_arch_number = MACH_TYPE_MEESC; + return 0; +} + +int board_init(void) +{ + /* initialize ET1100 Controller */ + meesc_ethercat_hw_init(); /* adress of boot parameters */ - gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; - at91_serial_hw_init(); #ifdef CONFIG_CMD_NAND meesc_nand_hw_init(); #endif - meesc_ethercat_hw_init(); -#ifdef CONFIG_HAS_DATAFLASH - at91_spi0_hw_init(1 << 0); -#endif #ifdef CONFIG_MACB meesc_macb_hw_init(); #endif #ifdef CONFIG_AT91_CAN at91_can_hw_init(); #endif +#ifdef CONFIG_USB_OHCI_NEW + at91_uhp_hw_init(); +#endif return 0; }