3 * Tapani Utriainen <linuxfae@technexion.com>
5 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/arch/mmc_host_def.h>
12 #include <asm/arch/mem.h>
13 #include <asm/arch/mux.h>
14 #include <asm/arch/sys_proto.h>
15 #include <asm/arch/gpio.h>
17 #include <asm/mach-types.h>
20 #include <asm/ehci-omap.h>
24 DECLARE_GLOBAL_DATA_PTR
;
26 int tao3530_revision(void)
30 /* char *label argument is unused in gpio_request() */
31 ret
= gpio_request(65, "");
33 puts("Error: GPIO 65 not available\n");
36 MUX_VAL(CP(GPMC_WAIT3
), (IEN
| PTU
| EN
| M4
));
38 ret
= gpio_request(1, "");
40 puts("Error: GPIO 1 not available\n");
43 MUX_VAL(CP(SYS_CLKREQ
), (IEN
| PTU
| EN
| M4
));
45 ret
= gpio_direction_input(65);
47 puts("Error: GPIO 65 not available for input\n");
51 ret
= gpio_direction_input(1);
53 puts("Error: GPIO 1 not available for input\n");
57 ret
= gpio_get_value(65) << 1 | gpio_get_value(1);
60 MUX_VAL(CP(SYS_CLKREQ
), (IEN
| PTU
| EN
| M0
));
63 MUX_VAL(CP(GPMC_WAIT3
), (IEN
| PTU
| EN
| M0
));
70 #ifdef CONFIG_SPL_BUILD
72 * Routine: get_board_mem_timings
73 * Description: If we use SPL then there is no x-loader nor config header
74 * so we have to setup the DDR timings ourself on both banks.
76 void get_board_mem_timings(struct board_sdrc_timings
*timings
)
78 #if defined(CONFIG_SYS_BOARD_OMAP3_HA)
80 * Switch baseboard LED to red upon power-on
84 /* Request a gpio before using it */
85 gpio_request(111, "");
86 /* Sets the gpio as output and its value to 1, switch LED to red */
87 gpio_direction_output(111, 1);
90 if (tao3530_revision() < 3) {
92 timings
->mcfg
= MCFG(256 << 20, 14); /* RAS-width 14 */
93 timings
->ctrla
= HYNIX_V_ACTIMA_165
;
94 timings
->ctrlb
= HYNIX_V_ACTIMB_165
;
97 timings
->mcfg
= MCFG(128 << 20, 13); /* RAS-width 13 */
98 timings
->ctrla
= MICRON_V_ACTIMA_165
;
99 timings
->ctrlb
= MICRON_V_ACTIMB_165
;
102 timings
->mr
= MICRON_V_MR_165
;
103 timings
->rfr_ctrl
= SDP_3430_SDRC_RFR_CTRL_165MHz
;
108 * Routine: board_init
109 * Description: Early hardware init.
113 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
114 /* board id for Linux */
115 gd
->bd
->bi_arch_number
= MACH_TYPE_OMAP3_TAO3530
;
116 /* boot param addr */
117 gd
->bd
->bi_boot_params
= (OMAP34XX_SDRC_CS0
+ 0x100);
123 * Routine: misc_init_r
124 * Description: Configure board specific parts
126 int misc_init_r(void)
128 struct gpio
*gpio5_base
= (struct gpio
*)OMAP34XX_GPIO5_BASE
;
129 struct gpio
*gpio6_base
= (struct gpio
*)OMAP34XX_GPIO6_BASE
;
131 twl4030_power_init();
132 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON
| TWL4030_LED_LEDEN_LEDBON
);
134 /* Configure GPIOs to output */
136 writel(~(GPIO10
| GPIO8
| GPIO2
| GPIO1
), &gpio6_base
->oe
);
137 writel(~(GPIO31
| GPIO30
| GPIO22
| GPIO21
|
138 GPIO15
| GPIO14
| GPIO13
| GPIO12
), &gpio5_base
->oe
);
141 writel(GPIO10
| GPIO8
| GPIO2
| GPIO1
,
142 &gpio6_base
->setdataout
);
143 writel(GPIO31
| GPIO30
| GPIO29
| GPIO28
| GPIO22
| GPIO21
|
144 GPIO15
| GPIO14
| GPIO13
| GPIO12
, &gpio5_base
->setdataout
);
146 switch (tao3530_revision()) {
148 puts("TAO-3530 REV Reserve 1\n");
151 puts("TAO-3530 REV Reserve 2\n");
154 puts("TAO-3530 REV Cx\n");
157 puts("TAO-3530 REV Ax/Bx\n");
160 puts("Unknown board revision\n");
163 omap_die_id_display();
169 * Routine: set_muxconf_regs
170 * Description: Setting up the configuration Mux registers specific to the
171 * hardware. Many pins need to be moved from protect to primary
174 void set_muxconf_regs(void)
177 #if defined(CONFIG_SYS_BOARD_OMAP3_HA)
182 #if defined(CONFIG_GENERIC_MMC)
183 int board_mmc_init(bd_t
*bis
)
185 omap_mmc_init(0, 0, 0, -1, -1);
191 #if defined(CONFIG_GENERIC_MMC)
192 void board_mmc_power_init(void)
194 twl4030_power_mmc_init(0);
198 #if defined(CONFIG_USB_EHCI) && !defined(CONFIG_SPL_BUILD)
199 /* Call usb_stop() before starting the kernel */
200 void show_boot_progress(int val
)
202 if (val
== BOOTSTAGE_ID_RUN_OS
)
206 static struct omap_usbhs_board_data usbhs_bdata
= {
207 .port_mode
[0] = OMAP_USBHS_PORT_MODE_UNUSED
,
208 .port_mode
[1] = OMAP_EHCI_PORT_MODE_PHY
,
209 .port_mode
[2] = OMAP_USBHS_PORT_MODE_UNUSED
212 int ehci_hcd_init(int index
, enum usb_init_type init
,
213 struct ehci_hccr
**hccr
, struct ehci_hcor
**hcor
)
215 return omap_ehci_hcd_init(index
, &usbhs_bdata
, hccr
, hcor
);
218 int ehci_hcd_stop(int index
)
220 return omap_ehci_hcd_stop();
222 #endif /* CONFIG_USB_EHCI */