Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / omicron / calimain / calimain.c

diff --git a/qemu/roms/u-boot/board/omicron/calimain/calimain.c b/qemu/roms/u-boot/board/omicron/calimain/calimain.c
new file mode 100644 (file)
index 0000000..dd28915
--- /dev/null
+++ b/qemu/roms/u-boot/board/omicron/calimain/calimain.c
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2011 OMICRON electronics GmbH
+ *
+ * Based on da850evm.c. Original Copyrights follow:
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. <nick.thompson@gefanuc.com>
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <net.h>
+#include <netdev.h>
+#include <watchdog.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/emif_defs.h>
+#include <asm/arch/emac_defs.h>
+#include <asm/arch/pinmux_defs.h>
+#include <asm/arch/davinci_misc.h>
+#include <asm/arch/timer_defs.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define CALIMAIN_HWVERSION_MASK    0x7f000000
+#define CALIMAIN_HWVERSION_SHIFT   24
+
+/* Hardware version pinmux settings */
+const struct pinmux_config hwversion_pins[] = {
+       { pinmux(16), 8, 2 }, /* GP7[15] */
+       { pinmux(16), 8, 3 }, /* GP7[14] */
+       { pinmux(16), 8, 4 }, /* GP7[13] */
+       { pinmux(16), 8, 5 }, /* GP7[12] */
+       { pinmux(16), 8, 6 }, /* GP7[11] */
+       { pinmux(16), 8, 7 }, /* GP7[10] */
+       { pinmux(17), 8, 0 }, /* GP7[9] */
+       { pinmux(17), 8, 1 }  /* GP7[8] */
+};
+
+const struct pinmux_resource pinmuxes[] = {
+       PINMUX_ITEM(uart2_pins_txrx),
+       PINMUX_ITEM(emac_pins_mii),
+       PINMUX_ITEM(emac_pins_mdio),
+       PINMUX_ITEM(emifa_pins_nor),
+       PINMUX_ITEM(emifa_pins_cs2),
+       PINMUX_ITEM(emifa_pins_cs3),
+};
+
+const int pinmuxes_size = ARRAY_SIZE(pinmuxes);
+
+const struct lpsc_resource lpsc[] = {
+       { DAVINCI_LPSC_AEMIF }, /* NAND, NOR */
+       { DAVINCI_LPSC_EMAC },  /* image download */
+       { DAVINCI_LPSC_UART2 }, /* console */
+       { DAVINCI_LPSC_GPIO },
+};
+
+const int lpsc_size = ARRAY_SIZE(lpsc);
+
+/* read board revision from GPIO7[8..14] */
+u32 get_board_rev(void)
+{
+       lpsc_on(DAVINCI_LPSC_GPIO);
+       if (davinci_configure_pin_mux(hwversion_pins,
+                                     ARRAY_SIZE(hwversion_pins)) != 0)
+               return 0xffffffff;
+
+       return (davinci_gpio_bank67->in_data & CALIMAIN_HWVERSION_MASK)
+               >> CALIMAIN_HWVERSION_SHIFT;
+}
+
+/*
+ * determine the oscillator frequency depending on the board revision
+ *
+ * rev 0x00  ... 25 MHz oscillator
+ * rev 0x01  ... 24 MHz oscillator
+ */
+int calimain_get_osc_freq(void)
+{
+       u32 rev;
+       int freq;
+
+       rev = get_board_rev();
+       switch (rev) {
+       case 0x00:
+               freq = 25000000;
+               break;
+       default:
+               freq = 24000000;
+               break;
+       }
+       return freq;
+}
+
+int board_init(void)
+{
+       int val;
+
+#ifndef CONFIG_USE_IRQ
+       irq_init();
+#endif
+
+       /* address of boot parameters */
+       gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+       /* select emac MII mode */
+       val = readl(&davinci_syscfg_regs->cfgchip3);
+       val &= ~(1 << 8);
+       writel(val, &davinci_syscfg_regs->cfgchip3);
+#endif /* CONFIG_DRIVER_TI_EMAC */
+
+#ifdef CONFIG_HW_WATCHDOG
+       davinci_hw_watchdog_enable();
+#endif
+
+       printf("Input clock frequency: %d Hz\n", calimain_get_osc_freq());
+       printf("Board revision:        %d\n", get_board_rev());
+
+       return 0;
+}
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+/*
+ * Initializes on-board ethernet controllers.
+ */
+int board_eth_init(bd_t *bis)
+{
+       if (!davinci_emac_initialize()) {
+               printf("Error: Ethernet init failed!\n");
+               return -1;
+       }
+
+       return 0;
+}
+#endif /* CONFIG_DRIVER_TI_EMAC */
+
+#ifdef CONFIG_HW_WATCHDOG
+void hw_watchdog_reset(void)
+{
+       davinci_hw_watchdog_reset();
+}
+#endif