Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / siemens / taurus / taurus.c

diff --git a/qemu/roms/u-boot/board/siemens/taurus/taurus.c b/qemu/roms/u-boot/board/siemens/taurus/taurus.c
new file mode 100644 (file)
index 0000000..673b302
--- /dev/null
+++ b/qemu/roms/u-boot/board/siemens/taurus/taurus.c
@@ -0,0 +1,160 @@
+/*
+ * Board functions for Siemens TAURUS (AT91SAM9G20) based boards
+ * (C) Copyright Siemens AG
+ *
+ * Based on:
+ * U-Boot file: board/atmel/at91sam9260ek/at91sam9260ek.c
+ *
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian@popies.net>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.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/gpio.h>
+#include <asm/arch/at91sam9_sdramc.h>
+#include <atmel_mci.h>
+
+#include <net.h>
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_CMD_NAND
+static void taurus_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(2) | AT91_SMC_SETUP_NCS_WR(0) |
+              AT91_SMC_SETUP_NRD(2) | 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(4) | AT91_SMC_PULSE_NCS_RD(3),
+              &smc->cs[3].pulse);
+       writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(7),
+              &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);
+
+       /* 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 taurus_macb_hw_init(void)
+{
+       struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+       /* Enable EMAC clock */
+       writel(1 << ATMEL_ID_EMAC0, &pmc->pcer);
+
+       /*
+        * 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
+        */
+       at91_set_pio_pullup(AT91_PIO_PORTA, 14, 0);
+       at91_set_pio_pullup(AT91_PIO_PORTA, 15, 0);
+       at91_set_pio_pullup(AT91_PIO_PORTA, 17, 0);
+       at91_set_pio_pullup(AT91_PIO_PORTA, 25, 0);
+       at91_set_pio_pullup(AT91_PIO_PORTA, 26, 0);
+       at91_set_pio_pullup(AT91_PIO_PORTA, 28, 0);
+
+       at91_phy_reset();
+
+       at91_set_gpio_input(AT91_PIN_PA25, 1);   /* ERST tri-state */
+
+       /* Re-enable pull-up */
+       at91_set_pio_pullup(AT91_PIO_PORTA, 14, 1);
+       at91_set_pio_pullup(AT91_PIO_PORTA, 15, 1);
+       at91_set_pio_pullup(AT91_PIO_PORTA, 17, 1);
+       at91_set_pio_pullup(AT91_PIO_PORTA, 25, 1);
+       at91_set_pio_pullup(AT91_PIO_PORTA, 26, 1);
+       at91_set_pio_pullup(AT91_PIO_PORTA, 28, 1);
+
+       /* Initialize EMAC=MACB hardware */
+       at91_macb_hw_init();
+}
+#endif
+
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+int board_mmc_init(bd_t *bd)
+{
+       at91_mci_hw_init();
+
+       return atmel_mci_init((void *)ATMEL_BASE_MCI);
+}
+#endif
+
+int board_early_init_f(void)
+{
+       struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+       /* Enable clocks for all PIOs */
+       writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) |
+               (1 << ATMEL_ID_PIOC),
+               &pmc->pcer);
+
+       return 0;
+}
+
+int board_init(void)
+{
+       /* adress of boot parameters */
+       gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+       at91_seriald_hw_init();
+#ifdef CONFIG_CMD_NAND
+       taurus_nand_hw_init();
+#endif
+#ifdef CONFIG_MACB
+       taurus_macb_hw_init();
+#endif
+
+       return 0;
+}
+
+int dram_init(void)
+{
+       gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+                                   CONFIG_SYS_SDRAM_SIZE);
+       return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+       int rc = 0;
+#ifdef CONFIG_MACB
+       rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC0, 0x00);
+#endif
+       return rc;
+}