diff options
Diffstat (limited to 'board')
-rw-r--r-- | board/siemens/smartweb/Kconfig | 12 | ||||
-rw-r--r-- | board/siemens/smartweb/MAINTAINERS | 6 | ||||
-rw-r--r-- | board/siemens/smartweb/Makefile | 20 | ||||
-rw-r--r-- | board/siemens/smartweb/smartweb.c | 220 |
4 files changed, 258 insertions, 0 deletions
diff --git a/board/siemens/smartweb/Kconfig b/board/siemens/smartweb/Kconfig new file mode 100644 index 0000000..0871bcc --- /dev/null +++ b/board/siemens/smartweb/Kconfig @@ -0,0 +1,12 @@ +if TARGET_SMARTWEB + +config SYS_BOARD + default "smartweb" + +config SYS_VENDOR + default "siemens" + +config SYS_CONFIG_NAME + default "smartweb" + +endif diff --git a/board/siemens/smartweb/MAINTAINERS b/board/siemens/smartweb/MAINTAINERS new file mode 100644 index 0000000..51298ff --- /dev/null +++ b/board/siemens/smartweb/MAINTAINERS @@ -0,0 +1,6 @@ +SMARTWEB_HW BOARD +M: Heiko Schocher <hs@denx.de> +S: Maintained +F: board/siemens/smartweb +F: include/configs/smartweb.h +F: configs/smartweb_defconfig diff --git a/board/siemens/smartweb/Makefile b/board/siemens/smartweb/Makefile new file mode 100644 index 0000000..55e7798 --- /dev/null +++ b/board/siemens/smartweb/Makefile @@ -0,0 +1,20 @@ +# +# (C) Copyright 2003-2008 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# (C) Copyright 2008 +# Stelian Pop <stelian@popies.net> +# Lead Tech Design <www.leadtechdesign.com> +# +# (C) Copyright 2012 +# Markus Hubig <mhubig@imko.de> +# IMKO GmbH <www.imko.de> +# +# (C) Copyright 2014 +# Heiko Schocher <hs@denx.de> +# DENX Software Engineering GmbH +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += smartweb.o diff --git a/board/siemens/smartweb/smartweb.c b/board/siemens/smartweb/smartweb.c new file mode 100644 index 0000000..cf8a7f5 --- /dev/null +++ b/board/siemens/smartweb/smartweb.c @@ -0,0 +1,220 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop <stelian@popies.net> + * Lead Tech Design <www.leadtechdesign.com> + * + * Achim Ehrlich <aehrlich@taskit.de> + * taskit GmbH <www.taskit.de> + * + * (C) Copyright 2012- + * Markus Hubig <mhubig@imko.de> + * IMKO GmbH <www.imko.de> + * (C) Copyright 2014 + * Heiko Schocher <hs@denx.de> + * DENX Software Engineering GmbH + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/at91sam9_sdramc.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_spi.h> +#include <spi.h> +#include <asm/arch/gpio.h> +#include <watchdog.h> +#ifdef CONFIG_MACB +# include <net.h> +# include <netdev.h> +#endif + +DECLARE_GLOBAL_DATA_PTR; + +static void smartweb_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_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); +} + +#ifdef CONFIG_MACB +static void smartweb_macb_hw_init(void) +{ + struct at91_port *pioa = (struct at91_port *)ATMEL_BASE_PIOA; + + /* Enable the PHY Chip via PA26 on the Stamp 2 Adaptor */ + at91_set_gpio_output(AT91_PIN_PA26, 0); + + /* + * Disable pull-up on: + * RXDV (PA17) => PHY normal mode (not Test mode) + * ERX0 (PA14) => PHY ADDR0 + * ERX1 (PA15) => PHY ADDR1 + * ERX2 (PA25) => PHY ADDR2 + * ERX3 (PA26) => PHY ADDR3 + * ECRS (PA28) => PHY ADDR4 => PHYADDR = 0x0 + * + * PHY has internal pull-down + */ + writel(pin_to_mask(AT91_PIN_PA14) | + pin_to_mask(AT91_PIN_PA15) | + pin_to_mask(AT91_PIN_PA17) | + pin_to_mask(AT91_PIN_PA25) | + pin_to_mask(AT91_PIN_PA26) | + pin_to_mask(AT91_PIN_PA28), + &pioa->pudr); + + at91_phy_reset(); + + /* Re-enable pull-up */ + writel(pin_to_mask(AT91_PIN_PA14) | + pin_to_mask(AT91_PIN_PA15) | + pin_to_mask(AT91_PIN_PA17) | + pin_to_mask(AT91_PIN_PA25) | + pin_to_mask(AT91_PIN_PA26) | + pin_to_mask(AT91_PIN_PA28), + &pioa->puer); + + /* Initialize EMAC=MACB hardware */ + at91_macb_hw_init(); +} +#endif /* CONFIG_MACB */ + +int board_early_init_f(void) +{ + /* enable this here, as we have SPL without serial support */ + at91_seriald_hw_init(); + return 0; +} + +int board_init(void) +{ + /* Adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + + smartweb_nand_hw_init(); +#ifdef CONFIG_MACB + smartweb_macb_hw_init(); +#endif + /* power LED red */ + at91_set_gpio_output(AT91_PIN_PC6, 0); + at91_set_gpio_output(AT91_PIN_PC7, 1); + /* alarm LED off */ + at91_set_gpio_output(AT91_PIN_PC8, 0); + at91_set_gpio_output(AT91_PIN_PC9, 0); + /* prog LED red */ + at91_set_gpio_output(AT91_PIN_PC10, 0); + at91_set_gpio_output(AT91_PIN_PC11, 1); + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = get_ram_size( + (void *)CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + return 0; +} + +#ifdef CONFIG_MACB +int board_eth_init(bd_t *bis) +{ + return macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC0, 0x00); +} +#endif /* CONFIG_MACB */ + +#if defined(CONFIG_SPL_BUILD) +#include <spl.h> +#include <nand.h> +#include <spi_flash.h> + +void matrix_init(void) +{ + struct at91_matrix *mat = (struct at91_matrix *)ATMEL_BASE_MATRIX; + + writel((readl(&mat->scfg[3]) & (~AT91_MATRIX_SLOT_CYCLE)) + | AT91_MATRIX_SLOT_CYCLE_(0x40), + &mat->scfg[3]); +} + +void spl_board_init(void) +{ + at91_set_gpio_output(AT91_PIN_PC6, 1); + at91_set_gpio_output(AT91_PIN_PC7, 1); + /* alarm LED orange */ + at91_set_gpio_output(AT91_PIN_PC8, 1); + at91_set_gpio_output(AT91_PIN_PC9, 1); + /* prog LED red */ + at91_set_gpio_output(AT91_PIN_PC10, 0); + at91_set_gpio_output(AT91_PIN_PC11, 1); + + smartweb_nand_hw_init(); + at91_set_gpio_input(AT91_PIN_PA28, 1); + at91_set_gpio_input(AT91_PIN_PA29, 1); + + /* check if both button are pressed */ + if (at91_get_gpio_value(AT91_PIN_PA28) == 0 && + at91_get_gpio_value(AT91_PIN_PA29) == 0) { + debug("Recovery button pressed\n"); + nand_init(); + spl_nand_erase_one(0, 0); + } +} + +#define SDRAM_BASE_CONF (AT91_SDRAMC_NC_9 | AT91_SDRAMC_NR_13 \ + | AT91_SDRAMC_CAS_2 \ + | AT91_SDRAMC_NB_4 | AT91_SDRAMC_DBW_32 \ + | AT91_SDRAMC_TWR_VAL(2) | AT91_SDRAMC_TRC_VAL(7) \ + | AT91_SDRAMC_TRP_VAL(2) | AT91_SDRAMC_TRCD_VAL(2) \ + | AT91_SDRAMC_TRAS_VAL(5) | AT91_SDRAMC_TXSR_VAL(8)) + +void mem_init(void) +{ + struct at91_matrix *ma = (struct at91_matrix *)ATMEL_BASE_MATRIX; + struct at91_port *port = (struct at91_port *)ATMEL_BASE_PIOC; + struct sdramc_reg setting; + + setting.cr = SDRAM_BASE_CONF; + setting.mdr = AT91_SDRAMC_MD_SDRAM; + setting.tr = (CONFIG_SYS_MASTER_CLOCK * 7) / 1000000; + + /* + * I write here directly in this register, because this + * approach is smaller than calling at91_set_a_periph() in a + * for loop. This saved me 96 bytes. + */ + writel(0xffff0000, &port->pdr); + + writel(readl(&ma->ebicsa) | AT91_MATRIX_CS1A_SDRAMC, &ma->ebicsa); + sdramc_initialize(ATMEL_BASE_CS1, &setting); +} +#endif |