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-rw-r--r--roms/u-boot/board/siemens/smartweb/smartweb.c267
1 files changed, 267 insertions, 0 deletions
diff --git a/roms/u-boot/board/siemens/smartweb/smartweb.c b/roms/u-boot/board/siemens/smartweb/smartweb.c
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+++ b/roms/u-boot/board/siemens/smartweb/smartweb.c
@@ -0,0 +1,267 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (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
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <init.h>
+#include <net.h>
+#include <asm/global_data.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/atmel_serial.h>
+#include <asm/arch/at91_spi.h>
+#include <spi.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/gpio.h>
+#include <asm/gpio.h>
+#include <watchdog.h>
+# include <net.h>
+#ifndef CONFIG_DM_ETH
+# include <netdev.h>
+#endif
+#include <g_dnl.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static void smartweb_request_gpio(void)
+{
+ gpio_request(CONFIG_SYS_NAND_ENABLE_PIN, "nand ena");
+ gpio_request(CONFIG_SYS_NAND_READY_PIN, "nand rdy");
+ gpio_request(AT91_PIN_PA26, "ena PHY");
+}
+
+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);
+}
+
+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) |
+ pin_to_mask(AT91_PIN_PA29),
+ &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) |
+ pin_to_mask(AT91_PIN_PA29),
+ &pioa->puer);
+
+ /* Initialize EMAC=MACB hardware */
+ at91_macb_hw_init();
+}
+
+#ifdef CONFIG_USB_GADGET_AT91
+#include <linux/usb/at91_udc.h>
+
+void at91_udp_hw_init(void)
+{
+ /* Enable PLLB */
+ at91_pllb_clk_enable(get_pllb_init());
+
+ /* Enable UDPCK clock, MCK is enabled in at91_clock_init() */
+ at91_periph_clk_enable(ATMEL_ID_UDP);
+
+ at91_system_clk_enable(AT91SAM926x_PMC_UDP);
+}
+
+struct at91_udc_data board_udc_data = {
+ .baseaddr = ATMEL_BASE_UDP0,
+};
+#endif
+
+int board_early_init_f(void)
+{
+ /* enable this here, as we have SPL without serial support */
+ at91_seriald_hw_init();
+ smartweb_request_gpio();
+ return 0;
+}
+
+int board_init(void)
+{
+ smartweb_request_gpio();
+ /* 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);
+
+#ifdef CONFIG_USB_GADGET_AT91
+ at91_udp_hw_init();
+ at91_udc_probe(&board_udc_data);
+#endif
+
+ /* Adress of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+ smartweb_nand_hw_init();
+ smartweb_macb_hw_init();
+ return 0;
+}
+
+int dram_init(void)
+{
+ gd->ram_size = get_ram_size(
+ (void *)CONFIG_SYS_SDRAM_BASE,
+ CONFIG_SYS_SDRAM_SIZE);
+ return 0;
+}
+
+#ifndef CONFIG_DM_ETH
+#ifdef CONFIG_MACB
+int board_eth_init(struct bd_info *bis)
+{
+ return macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC0, 0x00);
+}
+#endif /* CONFIG_MACB */
+#endif
+
+#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 at91_spl_board_init(void)
+{
+ smartweb_request_gpio();
+ /* power LED orange */
+ 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) {
+ smartweb_nand_hw_init();
+ 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
+
+int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
+{
+ g_dnl_set_serialnumber("1");
+ return 0;
+}