| /* |
| * (C) Copyright 2010 |
| * Texas Instruments Incorporated, <www.ti.com> |
| * Steve Sakoman <steve@sakoman.com> |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| #include <common.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/arch/mmc_host_def.h> |
| #include <asm/arch/clocks.h> |
| #include <asm/arch/gpio.h> |
| #include <asm/gpio.h> |
| |
| #include "panda_mux_data.h" |
| |
| #ifdef CONFIG_USB_EHCI |
| #include <usb.h> |
| #include <asm/arch/ehci.h> |
| #include <asm/ehci-omap.h> |
| #endif |
| |
| #define PANDA_ULPI_PHY_TYPE_GPIO 182 |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| const struct omap_sysinfo sysinfo = { |
| "Board: OMAP4 Panda\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_PANDA; |
| gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */ |
| |
| return 0; |
| } |
| |
| int board_eth_init(bd_t *bis) |
| { |
| return 0; |
| } |
| |
| /** |
| * @brief misc_init_r - Configure Panda board specific configurations |
| * such as power configurations, ethernet initialization as phase2 of |
| * boot sequence |
| * |
| * @return 0 |
| */ |
| int misc_init_r(void) |
| { |
| int phy_type; |
| u32 auxclk, altclksrc; |
| |
| /* EHCI is not supported on ES1.0 */ |
| if (omap_revision() == OMAP4430_ES1_0) |
| return 0; |
| |
| gpio_direction_input(PANDA_ULPI_PHY_TYPE_GPIO); |
| phy_type = gpio_get_value(PANDA_ULPI_PHY_TYPE_GPIO); |
| |
| if (phy_type == 1) { |
| /* ULPI PHY supplied by auxclk3 derived from sys_clk */ |
| debug("ULPI PHY supplied by auxclk3\n"); |
| |
| 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); |
| } else { |
| /* ULPI PHY supplied by auxclk1 derived from PER dpll */ |
| debug("ULPI PHY supplied by auxclk1\n"); |
| |
| auxclk = readl(&scrm->auxclk1); |
| /* Select per DPLL */ |
| auxclk &= ~AUXCLK_SRCSELECT_MASK; |
| auxclk |= AUXCLK_SRCSELECT_PER_DPLL << AUXCLK_SRCSELECT_SHIFT; |
| /* Set the divisor to 16 */ |
| auxclk &= ~AUXCLK_CLKDIV_MASK; |
| auxclk |= AUXCLK_CLKDIV_16 << AUXCLK_CLKDIV_SHIFT; |
| /* Request auxilary clock #3 */ |
| auxclk |= AUXCLK_ENABLE_MASK; |
| |
| writel(auxclk, &scrm->auxclk1); |
| } |
| |
| 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); |
| |
| return 0; |
| } |
| |
| void set_muxconf_regs_essential(void) |
| { |
| do_set_mux(CONTROL_PADCONF_CORE, core_padconf_array_essential, |
| sizeof(core_padconf_array_essential) / |
| sizeof(struct pad_conf_entry)); |
| |
| do_set_mux(CONTROL_PADCONF_WKUP, wkup_padconf_array_essential, |
| sizeof(wkup_padconf_array_essential) / |
| sizeof(struct pad_conf_entry)); |
| |
| if (omap_revision() >= OMAP4460_ES1_0) |
| do_set_mux(CONTROL_PADCONF_WKUP, |
| wkup_padconf_array_essential_4460, |
| sizeof(wkup_padconf_array_essential_4460) / |
| sizeof(struct pad_conf_entry)); |
| } |
| |
| void set_muxconf_regs_non_essential(void) |
| { |
| do_set_mux(CONTROL_PADCONF_CORE, core_padconf_array_non_essential, |
| sizeof(core_padconf_array_non_essential) / |
| sizeof(struct pad_conf_entry)); |
| |
| if (omap_revision() < OMAP4460_ES1_0) |
| do_set_mux(CONTROL_PADCONF_CORE, |
| core_padconf_array_non_essential_4430, |
| sizeof(core_padconf_array_non_essential_4430) / |
| sizeof(struct pad_conf_entry)); |
| else |
| do_set_mux(CONTROL_PADCONF_CORE, |
| core_padconf_array_non_essential_4460, |
| sizeof(core_padconf_array_non_essential_4460) / |
| sizeof(struct pad_conf_entry)); |
| |
| do_set_mux(CONTROL_PADCONF_WKUP, wkup_padconf_array_non_essential, |
| sizeof(wkup_padconf_array_non_essential) / |
| sizeof(struct pad_conf_entry)); |
| |
| if (omap_revision() < OMAP4460_ES1_0) |
| do_set_mux(CONTROL_PADCONF_WKUP, |
| wkup_padconf_array_non_essential_4430, |
| sizeof(wkup_padconf_array_non_essential_4430) / |
| sizeof(struct pad_conf_entry)); |
| } |
| |
| #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) |
| int board_mmc_init(bd_t *bis) |
| { |
| omap_mmc_init(0); |
| return 0; |
| } |
| #endif |
| |
| #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(void) |
| { |
| int ret; |
| unsigned int utmi_clk; |
| |
| /* Now we can enable our port clocks */ |
| utmi_clk = readl((void *)CM_L3INIT_HSUSBHOST_CLKCTRL); |
| utmi_clk |= HSUSBHOST_CLKCTRL_CLKSEL_UTMI_P1_MASK; |
| sr32((void *)CM_L3INIT_HSUSBHOST_CLKCTRL, 0, 32, utmi_clk); |
| |
| ret = omap_ehci_hcd_init(&usbhs_bdata); |
| if (ret < 0) |
| return ret; |
| |
| return 0; |
| } |
| |
| int ehci_hcd_stop(void) |
| { |
| return omap_ehci_hcd_stop(); |
| } |
| #endif |
| |
| /* |
| * get_board_rev() - get board revision |
| */ |
| u32 get_board_rev(void) |
| { |
| return 0x20; |
| } |