3 * Texas Instruments Incorporated, <www.ti.com>
4 * Steve Sakoman <steve@sakoman.com>
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 #include <asm/arch/sys_proto.h>
26 #include <asm/arch/mmc_host_def.h>
27 #include <asm/arch/clocks.h>
28 #include <asm/arch/gpio.h>
31 #include "panda_mux_data.h"
33 #ifdef CONFIG_USB_EHCI
35 #include <asm/arch/ehci.h>
36 #include <asm/ehci-omap.h>
39 #define PANDA_ULPI_PHY_TYPE_GPIO 182
41 DECLARE_GLOBAL_DATA_PTR;
43 const struct omap_sysinfo sysinfo = {
44 "Board: OMAP4 Panda\n"
47 struct omap4_scrm_regs *const scrm = (struct omap4_scrm_regs *)0x4a30a000;
58 gd->bd->bi_arch_number = MACH_TYPE_OMAP4_PANDA;
59 gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */
64 int board_eth_init(bd_t *bis)
70 * @brief misc_init_r - Configure Panda board specific configurations
71 * such as power configurations, ethernet initialization as phase2 of
79 u32 auxclk, altclksrc;
81 /* EHCI is not supported on ES1.0 */
82 if (omap_revision() == OMAP4430_ES1_0)
85 gpio_direction_input(PANDA_ULPI_PHY_TYPE_GPIO);
86 phy_type = gpio_get_value(PANDA_ULPI_PHY_TYPE_GPIO);
89 /* ULPI PHY supplied by auxclk3 derived from sys_clk */
90 debug("ULPI PHY supplied by auxclk3\n");
92 auxclk = readl(&scrm->auxclk3);
94 auxclk &= ~AUXCLK_SRCSELECT_MASK;
95 auxclk |= AUXCLK_SRCSELECT_SYS_CLK << AUXCLK_SRCSELECT_SHIFT;
96 /* Set the divisor to 2 */
97 auxclk &= ~AUXCLK_CLKDIV_MASK;
98 auxclk |= AUXCLK_CLKDIV_2 << AUXCLK_CLKDIV_SHIFT;
99 /* Request auxilary clock #3 */
100 auxclk |= AUXCLK_ENABLE_MASK;
102 writel(auxclk, &scrm->auxclk3);
104 /* ULPI PHY supplied by auxclk1 derived from PER dpll */
105 debug("ULPI PHY supplied by auxclk1\n");
107 auxclk = readl(&scrm->auxclk1);
108 /* Select per DPLL */
109 auxclk &= ~AUXCLK_SRCSELECT_MASK;
110 auxclk |= AUXCLK_SRCSELECT_PER_DPLL << AUXCLK_SRCSELECT_SHIFT;
111 /* Set the divisor to 16 */
112 auxclk &= ~AUXCLK_CLKDIV_MASK;
113 auxclk |= AUXCLK_CLKDIV_16 << AUXCLK_CLKDIV_SHIFT;
114 /* Request auxilary clock #3 */
115 auxclk |= AUXCLK_ENABLE_MASK;
117 writel(auxclk, &scrm->auxclk1);
120 altclksrc = readl(&scrm->altclksrc);
122 /* Activate alternate system clock supplier */
123 altclksrc &= ~ALTCLKSRC_MODE_MASK;
124 altclksrc |= ALTCLKSRC_MODE_ACTIVE;
127 altclksrc |= ALTCLKSRC_ENABLE_INT_MASK | ALTCLKSRC_ENABLE_EXT_MASK;
129 writel(altclksrc, &scrm->altclksrc);
134 void set_muxconf_regs_essential(void)
136 do_set_mux(CONTROL_PADCONF_CORE, core_padconf_array_essential,
137 sizeof(core_padconf_array_essential) /
138 sizeof(struct pad_conf_entry));
140 do_set_mux(CONTROL_PADCONF_WKUP, wkup_padconf_array_essential,
141 sizeof(wkup_padconf_array_essential) /
142 sizeof(struct pad_conf_entry));
144 if (omap_revision() >= OMAP4460_ES1_0)
145 do_set_mux(CONTROL_PADCONF_WKUP,
146 wkup_padconf_array_essential_4460,
147 sizeof(wkup_padconf_array_essential_4460) /
148 sizeof(struct pad_conf_entry));
151 void set_muxconf_regs_non_essential(void)
153 do_set_mux(CONTROL_PADCONF_CORE, core_padconf_array_non_essential,
154 sizeof(core_padconf_array_non_essential) /
155 sizeof(struct pad_conf_entry));
157 if (omap_revision() < OMAP4460_ES1_0)
158 do_set_mux(CONTROL_PADCONF_CORE,
159 core_padconf_array_non_essential_4430,
160 sizeof(core_padconf_array_non_essential_4430) /
161 sizeof(struct pad_conf_entry));
163 do_set_mux(CONTROL_PADCONF_CORE,
164 core_padconf_array_non_essential_4460,
165 sizeof(core_padconf_array_non_essential_4460) /
166 sizeof(struct pad_conf_entry));
168 do_set_mux(CONTROL_PADCONF_WKUP, wkup_padconf_array_non_essential,
169 sizeof(wkup_padconf_array_non_essential) /
170 sizeof(struct pad_conf_entry));
172 if (omap_revision() < OMAP4460_ES1_0)
173 do_set_mux(CONTROL_PADCONF_WKUP,
174 wkup_padconf_array_non_essential_4430,
175 sizeof(wkup_padconf_array_non_essential_4430) /
176 sizeof(struct pad_conf_entry));
179 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
180 int board_mmc_init(bd_t *bis)
182 omap_mmc_init(0, 0, 0);
187 #ifdef CONFIG_USB_EHCI
189 static struct omap_usbhs_board_data usbhs_bdata = {
190 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
191 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
192 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
195 int ehci_hcd_init(void)
198 unsigned int utmi_clk;
200 /* Now we can enable our port clocks */
201 utmi_clk = readl((void *)CM_L3INIT_HSUSBHOST_CLKCTRL);
202 utmi_clk |= HSUSBHOST_CLKCTRL_CLKSEL_UTMI_P1_MASK;
203 sr32((void *)CM_L3INIT_HSUSBHOST_CLKCTRL, 0, 32, utmi_clk);
205 ret = omap_ehci_hcd_init(&usbhs_bdata);
212 int ehci_hcd_stop(void)
214 return omap_ehci_hcd_stop();
219 * get_board_rev() - get board revision
221 u32 get_board_rev(void)