diff options
Diffstat (limited to 'board/gumstix/duovero/duovero.c')
| -rw-r--r-- | board/gumstix/duovero/duovero.c | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/board/gumstix/duovero/duovero.c b/board/gumstix/duovero/duovero.c new file mode 100644 index 000000000..81d6c8221 --- /dev/null +++ b/board/gumstix/duovero/duovero.c @@ -0,0 +1,264 @@ +/* + * (C) Copyright 2013 + * Gumstix Inc. <www.gumstix.com> + * Maintainer: Ash Charles <ash@gumstix.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <netdev.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/mmc_host_def.h> +#include <twl6030.h> +#include <asm/emif.h> +#include <asm/arch/clock.h> +#include <asm/arch/gpio.h> +#include <asm/gpio.h> + +#include "duovero_mux_data.h" + +#define WIFI_EN 43 + +#if defined(CONFIG_CMD_NET) +#define SMSC_NRESET 45 +static void setup_net_chip(void); +#endif + +#ifdef CONFIG_USB_EHCI +#include <usb.h> +#include <asm/arch/ehci.h> +#include <asm/ehci-omap.h> +#endif + +DECLARE_GLOBAL_DATA_PTR; + +const struct omap_sysinfo sysinfo = { + "Board: duovero\n" +}; + +struct omap4_scrm_regs *const scrm = (struct omap4_scrm_regs *)0x4a30a000; + +/** + * @brief board_init + * + * @return 0 + */ +int board_init(void) +{ + gpmc_init(); + + gd->bd->bi_arch_number = MACH_TYPE_OMAP4_DUOVERO; + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + + return 0; +} + +/** + * @brief misc_init_r - Configure board specific configurations + * such as power configurations, ethernet initialization as phase2 of + * boot sequence + * + * @return 0 + */ +int misc_init_r(void) +{ + int ret = 0; + u8 val; + + /* wifi setup: first enable 32Khz clock from 6030 pmic */ + val = 0xe1; + ret = i2c_write(TWL6030_CHIP_PM, 0xbe, 1, &val, 1); + if (ret) + printf("Failed to enable 32Khz clock to wifi module\n"); + + /* then setup WIFI_EN as an output pin and send reset pulse */ + if (!gpio_request(WIFI_EN, "")) { + gpio_direction_output(WIFI_EN, 0); + gpio_set_value(WIFI_EN, 1); + udelay(1); + gpio_set_value(WIFI_EN, 0); + udelay(1); + gpio_set_value(WIFI_EN, 1); + } + +#if defined(CONFIG_CMD_NET) + setup_net_chip(); +#endif + return 0; +} + +void set_muxconf_regs_essential(void) +{ + do_set_mux((*ctrl)->control_padconf_core_base, + core_padconf_array_essential, + sizeof(core_padconf_array_essential) / + sizeof(struct pad_conf_entry)); + + do_set_mux((*ctrl)->control_padconf_wkup_base, + wkup_padconf_array_essential, + sizeof(wkup_padconf_array_essential) / + sizeof(struct pad_conf_entry)); + + do_set_mux((*ctrl)->control_padconf_core_base, + core_padconf_array_non_essential, + sizeof(core_padconf_array_non_essential) / + sizeof(struct pad_conf_entry)); + + do_set_mux((*ctrl)->control_padconf_wkup_base, + wkup_padconf_array_non_essential, + sizeof(wkup_padconf_array_non_essential) / + sizeof(struct pad_conf_entry)); +} + +#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) +int board_mmc_init(bd_t *bis) +{ + return omap_mmc_init(0, 0, 0, -1, -1); +} +#endif + + +#if defined(CONFIG_CMD_NET) + +#define GPMC_SIZE_16M 0xF +#define GPMC_BASEADDR_MASK 0x3F +#define GPMC_CS_ENABLE 0x1 + +static void enable_gpmc_net_config(const u32 *gpmc_config, struct gpmc_cs *cs, + u32 base, u32 size) +{ + writel(0, &cs->config7); + sdelay(1000); + /* Delay for settling */ + writel(gpmc_config[0], &cs->config1); + writel(gpmc_config[1], &cs->config2); + writel(gpmc_config[2], &cs->config3); + writel(gpmc_config[3], &cs->config4); + writel(gpmc_config[4], &cs->config5); + writel(gpmc_config[5], &cs->config6); + + /* + * Enable the config. size is the CS size and goes in + * bits 11:8. We set bit 6 to enable this CS and the base + * address goes into bits 5:0. + */ + writel((size << 8) | (GPMC_CS_ENABLE << 6) | + ((base >> 24) & GPMC_BASEADDR_MASK), + &cs->config7); + + sdelay(2000); +} + +/* GPMC CS configuration for an SMSC LAN9221 ethernet controller */ +#define NET_LAN9221_GPMC_CONFIG1 0x2a001203 +#define NET_LAN9221_GPMC_CONFIG2 0x000a0a02 +#define NET_LAN9221_GPMC_CONFIG3 0x00020200 +#define NET_LAN9221_GPMC_CONFIG4 0x0a030a03 +#define NET_LAN9221_GPMC_CONFIG5 0x000a0a0a +#define NET_LAN9221_GPMC_CONFIG6 0x8a070707 +#define NET_LAN9221_GPMC_CONFIG7 0x00000f6c + +/* GPMC definitions for LAN9221 chips on expansion boards */ +static const u32 gpmc_lan_config[] = { + NET_LAN9221_GPMC_CONFIG1, + NET_LAN9221_GPMC_CONFIG2, + NET_LAN9221_GPMC_CONFIG3, + NET_LAN9221_GPMC_CONFIG4, + NET_LAN9221_GPMC_CONFIG5, + NET_LAN9221_GPMC_CONFIG6, + /*CONFIG7- computed as params */ +}; + +/* + * Routine: setup_net_chip + * Description: Setting up the configuration GPMC registers specific to the + * Ethernet hardware. + */ +static void setup_net_chip(void) +{ + enable_gpmc_net_config(gpmc_lan_config, &gpmc_cfg->cs[5], 0x2C000000, + GPMC_SIZE_16M); + + /* Make GPIO SMSC_NRESET as output pin and send reset pulse */ + if (!gpio_request(SMSC_NRESET, "")) { + gpio_direction_output(SMSC_NRESET, 0); + gpio_set_value(SMSC_NRESET, 1); + udelay(1); + gpio_set_value(SMSC_NRESET, 0); + udelay(1); + gpio_set_value(SMSC_NRESET, 1); + } +} +#endif + +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_SMC911X + rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); +#endif + return rc; +} + +#ifdef CONFIG_USB_EHCI + +static struct omap_usbhs_board_data usbhs_bdata = { + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, +}; + +int ehci_hcd_init(int index, enum usb_init_type init, + struct ehci_hccr **hccr, struct ehci_hcor **hcor) +{ + int ret; + unsigned int utmi_clk; + u32 auxclk, altclksrc; + + /* Now we can enable our port clocks */ + utmi_clk = readl((void *)CM_L3INIT_HSUSBHOST_CLKCTRL); + utmi_clk |= HSUSBHOST_CLKCTRL_CLKSEL_UTMI_P1_MASK; + setbits_le32((void *)CM_L3INIT_HSUSBHOST_CLKCTRL, utmi_clk); + + auxclk = readl(&scrm->auxclk3); + /* Select sys_clk */ + auxclk &= ~AUXCLK_SRCSELECT_MASK; + auxclk |= AUXCLK_SRCSELECT_SYS_CLK << AUXCLK_SRCSELECT_SHIFT; + /* Set the divisor to 2 */ + auxclk &= ~AUXCLK_CLKDIV_MASK; + auxclk |= AUXCLK_CLKDIV_2 << AUXCLK_CLKDIV_SHIFT; + /* Request auxilary clock #3 */ + auxclk |= AUXCLK_ENABLE_MASK; + writel(auxclk, &scrm->auxclk3); + + altclksrc = readl(&scrm->altclksrc); + + /* Activate alternate system clock supplier */ + altclksrc &= ~ALTCLKSRC_MODE_MASK; + altclksrc |= ALTCLKSRC_MODE_ACTIVE; + + /* enable clocks */ + altclksrc |= ALTCLKSRC_ENABLE_INT_MASK | ALTCLKSRC_ENABLE_EXT_MASK; + + writel(altclksrc, &scrm->altclksrc); + + ret = omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor); + if (ret < 0) + return ret; + + return 0; +} + +int ehci_hcd_stop(int index) +{ + return omap_ehci_hcd_stop(); +} +#endif + +/* + * get_board_rev() - get board revision + */ +u32 get_board_rev(void) +{ + return 0x20; +} |