Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / bct-brettl2 / bct-brettl2.c

diff --git a/qemu/roms/u-boot/board/bct-brettl2/bct-brettl2.c b/qemu/roms/u-boot/board/bct-brettl2/bct-brettl2.c
new file mode 100644 (file)
index 0000000..6be9b18
--- /dev/null
+++ b/qemu/roms/u-boot/board/bct-brettl2/bct-brettl2.c
@@ -0,0 +1,122 @@
+/*
+ * U-boot - main board file for BCT brettl2
+ *
+ * Copyright (c) 2010 BCT Electronic GmbH
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <asm/blackfin.h>
+#include <asm/portmux.h>
+#include <asm/gpio.h>
+#include <net.h>
+#include <netdev.h>
+#include <miiphy.h>
+
+#include "../cm-bf537e/gpio_cfi_flash.h"
+#include "smsc9303.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+       printf("Board: bct-brettl2 board\n");
+       printf("       Support: http://www.bct-electronic.com/\n");
+       return 0;
+}
+
+#ifdef CONFIG_BFIN_MAC
+static void board_init_enetaddr(uchar *mac_addr)
+{
+       puts("Warning: Generating 'random' MAC address\n");
+       eth_random_addr(mac_addr);
+       eth_setenv_enetaddr("ethaddr", mac_addr);
+}
+
+int board_eth_init(bd_t *bis)
+{
+       int retry = 3;
+       int ret;
+
+       ret = bfin_EMAC_initialize(bis);
+
+       uchar enetaddr[6];
+       if (eth_getenv_enetaddr("ethaddr", enetaddr)) {
+               printf("setting MAC %pM\n", enetaddr);
+       }
+       puts("       ");
+
+       puts("initialize SMSC LAN9303i ethernet switch\n");
+
+       while (retry-- > 0) {
+               if (init_smsc9303i_mii())
+                       return ret;
+       }
+
+       return ret;
+}
+#endif
+
+static void init_tlv320aic31(void)
+{
+       puts("Audio: setup TIMER0 to enable 16.384 MHz clock for tlv320aic31\n");
+       peripheral_request(P_TMR0, "tlv320aic31 clock");
+       bfin_write_TIMER0_CONFIG(0x020d);
+       bfin_write_TIMER0_PERIOD(0x0008);
+       bfin_write_TIMER0_WIDTH(0x0008/2);
+       bfin_write_TIMER_ENABLE(bfin_read_TIMER_ENABLE() | 1);
+       SSYNC();
+       udelay(10000);
+
+       puts("       resetting tlv320aic31\n");
+
+       gpio_request(GPIO_PF2, "tlv320aic31");
+       gpio_direction_output(GPIO_PF2, 0);
+       udelay(10000);
+       gpio_direction_output(GPIO_PF2, 1);
+       udelay(10000);
+       gpio_free(GPIO_PF2);
+}
+
+static void init_mute_pin(void)
+{
+       printf("       unmute class D amplifier\n");
+
+       gpio_request(GPIO_PF5, "mute");
+       gpio_direction_output(GPIO_PF5, 1);
+       gpio_free(GPIO_PF5);
+}
+
+/* sometimes LEDs (speech, status) are still on after reboot, turn 'em off */
+static void turn_leds_off(void)
+{
+       printf("       turn LEDs off\n");
+
+       gpio_request(GPIO_PF6, "led");
+       gpio_direction_output(GPIO_PF6, 0);
+       gpio_free(GPIO_PF6);
+
+       gpio_request(GPIO_PF15, "led");
+       gpio_direction_output(GPIO_PF15, 0);
+       gpio_free(GPIO_PF15);
+}
+
+/* miscellaneous platform dependent initialisations */
+int misc_init_r(void)
+{
+#ifdef CONFIG_BFIN_MAC
+       uchar enetaddr[6];
+       if (!eth_getenv_enetaddr("ethaddr", enetaddr))
+               board_init_enetaddr(enetaddr);
+#endif
+
+       gpio_cfi_flash_init();
+       init_tlv320aic31();
+       init_mute_pin();
+       turn_leds_off();
+
+       return 0;
+}