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author | Wolfgang Denk <wd@denx.de> | 2010-10-05 14:42:32 +0200 |
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committer | Wolfgang Denk <wd@denx.de> | 2010-10-05 14:42:32 +0200 |
commit | d6288664743cdd4824cb877ca424619c827c1256 (patch) | |
tree | 3c6c64f71cd5a1bc3467ab722490de5b8e898405 /board/bct-brettl2/bct-brettl2.c | |
parent | db682a0b59b2e97b24275214f1837197a73fdb03 (diff) | |
parent | fcbd5b73d77e2e8103fdea0ff23f9c61cd7e7514 (diff) | |
download | u-boot-imx-d6288664743cdd4824cb877ca424619c827c1256.zip u-boot-imx-d6288664743cdd4824cb877ca424619c827c1256.tar.gz u-boot-imx-d6288664743cdd4824cb877ca424619c827c1256.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-blackfin
Diffstat (limited to 'board/bct-brettl2/bct-brettl2.c')
-rw-r--r-- | board/bct-brettl2/bct-brettl2.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/board/bct-brettl2/bct-brettl2.c b/board/bct-brettl2/bct-brettl2.c new file mode 100644 index 0000000..de5b9ff --- /dev/null +++ b/board/bct-brettl2/bct-brettl2.c @@ -0,0 +1,123 @@ +/* + * 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 <asm/net.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"); + bfin_gen_rand_mac(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; +} |