183d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
277eea280SJavier Martinez Canillas /*
377eea280SJavier Martinez Canillas * (C) Copyright 2010
477eea280SJavier Martinez Canillas * ISEE 2007 SL, <www.iseebcn.com>
577eea280SJavier Martinez Canillas */
677eea280SJavier Martinez Canillas #include <common.h>
7f3b4bc45SEnric Balletbo i Serra #include <status_led.h>
8b3f4ca11SSimon Glass #include <dm.h>
9b3f4ca11SSimon Glass #include <ns16550.h>
1077eea280SJavier Martinez Canillas #include <twl4030.h>
1177eea280SJavier Martinez Canillas #include <netdev.h>
12fe9f6289SLadislav Michl #include <spl.h>
1377eea280SJavier Martinez Canillas #include <asm/gpio.h>
1477eea280SJavier Martinez Canillas #include <asm/io.h>
1577eea280SJavier Martinez Canillas #include <asm/arch/mem.h>
1677eea280SJavier Martinez Canillas #include <asm/arch/mmc_host_def.h>
1777eea280SJavier Martinez Canillas #include <asm/arch/mux.h>
1877eea280SJavier Martinez Canillas #include <asm/arch/sys_proto.h>
19a5debaa3SLadislav Michl #include <linux/mtd/mtd.h>
206ae3900aSMasahiro Yamada #include <linux/mtd/rawnand.h>
2197ee7060SLadislav Michl #include <linux/mtd/onenand.h>
2297ee7060SLadislav Michl #include <jffs2/load_kernel.h>
23568b471eSLadislav Michl #include <mtd_node.h>
24568b471eSLadislav Michl #include <fdt_support.h>
2577eea280SJavier Martinez Canillas #include "igep00x0.h"
2677eea280SJavier Martinez Canillas
27b3f4ca11SSimon Glass static const struct ns16550_platdata igep_serial = {
282f6ed3b8SAdam Ford .base = OMAP34XX_UART3,
292f6ed3b8SAdam Ford .reg_shift = 2,
3017fa0326SHeiko Schocher .clock = V_NS16550_CLK,
3117fa0326SHeiko Schocher .fcr = UART_FCR_DEFVAL,
32b3f4ca11SSimon Glass };
33b3f4ca11SSimon Glass
34b3f4ca11SSimon Glass U_BOOT_DEVICE(igep_uart) = {
35c7b9686dSThomas Chou "ns16550_serial",
36b3f4ca11SSimon Glass &igep_serial
37b3f4ca11SSimon Glass };
38b3f4ca11SSimon Glass
39195dc231SPau Pajuelo /*
40195dc231SPau Pajuelo * Routine: get_board_revision
41195dc231SPau Pajuelo * Description: GPIO_28 and GPIO_129 are used to read board and revision from
42195dc231SPau Pajuelo * IGEP00x0 boards. First of all, it is necessary to reset USB transceiver from
43195dc231SPau Pajuelo * IGEP0030 in order to read GPIO_IGEP00X0_BOARD_DETECTION correctly, because
44195dc231SPau Pajuelo * this functionality is shared by USB HOST.
45195dc231SPau Pajuelo * Once USB reset is applied, U-boot configures these pins as input pullup to
46195dc231SPau Pajuelo * detect board and revision:
47195dc231SPau Pajuelo * IGEP0020-RF = 0b00
48195dc231SPau Pajuelo * IGEP0020-RC = 0b01
49195dc231SPau Pajuelo * IGEP0030-RG = 0b10
50195dc231SPau Pajuelo * IGEP0030-RE = 0b11
51195dc231SPau Pajuelo */
get_board_revision(void)52195dc231SPau Pajuelo static int get_board_revision(void)
53195dc231SPau Pajuelo {
54195dc231SPau Pajuelo int revision;
55195dc231SPau Pajuelo
56195dc231SPau Pajuelo gpio_request(IGEP0030_USB_TRANSCEIVER_RESET,
57195dc231SPau Pajuelo "igep0030_usb_transceiver_reset");
58195dc231SPau Pajuelo gpio_direction_output(IGEP0030_USB_TRANSCEIVER_RESET, 0);
59195dc231SPau Pajuelo
60195dc231SPau Pajuelo gpio_request(GPIO_IGEP00X0_BOARD_DETECTION, "igep00x0_board_detection");
61195dc231SPau Pajuelo gpio_direction_input(GPIO_IGEP00X0_BOARD_DETECTION);
62195dc231SPau Pajuelo revision = 2 * gpio_get_value(GPIO_IGEP00X0_BOARD_DETECTION);
63195dc231SPau Pajuelo gpio_free(GPIO_IGEP00X0_BOARD_DETECTION);
64195dc231SPau Pajuelo
65195dc231SPau Pajuelo gpio_request(GPIO_IGEP00X0_REVISION_DETECTION,
66195dc231SPau Pajuelo "igep00x0_revision_detection");
67195dc231SPau Pajuelo gpio_direction_input(GPIO_IGEP00X0_REVISION_DETECTION);
68195dc231SPau Pajuelo revision = revision + gpio_get_value(GPIO_IGEP00X0_REVISION_DETECTION);
69195dc231SPau Pajuelo gpio_free(GPIO_IGEP00X0_REVISION_DETECTION);
70195dc231SPau Pajuelo
71195dc231SPau Pajuelo gpio_free(IGEP0030_USB_TRANSCEIVER_RESET);
72195dc231SPau Pajuelo
73195dc231SPau Pajuelo return revision;
74195dc231SPau Pajuelo }
75195dc231SPau Pajuelo
onenand_board_init(struct mtd_info * mtd)7697ee7060SLadislav Michl int onenand_board_init(struct mtd_info *mtd)
7797ee7060SLadislav Michl {
7897ee7060SLadislav Michl if (gpmc_cs0_flash == MTD_DEV_TYPE_ONENAND) {
7997ee7060SLadislav Michl struct onenand_chip *this = mtd->priv;
8097ee7060SLadislav Michl this->base = (void *)CONFIG_SYS_ONENAND_BASE;
8197ee7060SLadislav Michl return 0;
8297ee7060SLadislav Michl }
8397ee7060SLadislav Michl return 1;
8497ee7060SLadislav Michl }
8597ee7060SLadislav Michl
8677eea280SJavier Martinez Canillas #if defined(CONFIG_CMD_NET)
reset_net_chip(int gpio)876ed75ba7SLadislav Michl static void reset_net_chip(int gpio)
886ed75ba7SLadislav Michl {
896ed75ba7SLadislav Michl if (!gpio_request(gpio, "eth nrst")) {
906ed75ba7SLadislav Michl gpio_direction_output(gpio, 1);
916ed75ba7SLadislav Michl udelay(1);
926ed75ba7SLadislav Michl gpio_set_value(gpio, 0);
936ed75ba7SLadislav Michl udelay(40);
946ed75ba7SLadislav Michl gpio_set_value(gpio, 1);
956ed75ba7SLadislav Michl mdelay(10);
966ed75ba7SLadislav Michl }
976ed75ba7SLadislav Michl }
986ed75ba7SLadislav Michl
9977eea280SJavier Martinez Canillas /*
10077eea280SJavier Martinez Canillas * Routine: setup_net_chip
10177eea280SJavier Martinez Canillas * Description: Setting up the configuration GPMC registers specific to the
10277eea280SJavier Martinez Canillas * Ethernet hardware.
10377eea280SJavier Martinez Canillas */
setup_net_chip(void)10477eea280SJavier Martinez Canillas static void setup_net_chip(void)
10577eea280SJavier Martinez Canillas {
10677eea280SJavier Martinez Canillas struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
107b0c47633SLadislav Michl static const u32 gpmc_lan_config[] = {
108b0c47633SLadislav Michl NET_LAN9221_GPMC_CONFIG1,
109b0c47633SLadislav Michl NET_LAN9221_GPMC_CONFIG2,
110b0c47633SLadislav Michl NET_LAN9221_GPMC_CONFIG3,
111b0c47633SLadislav Michl NET_LAN9221_GPMC_CONFIG4,
112b0c47633SLadislav Michl NET_LAN9221_GPMC_CONFIG5,
113b0c47633SLadislav Michl NET_LAN9221_GPMC_CONFIG6,
114b0c47633SLadislav Michl };
11577eea280SJavier Martinez Canillas
1166ed75ba7SLadislav Michl enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
1176ed75ba7SLadislav Michl CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
11877eea280SJavier Martinez Canillas
11977eea280SJavier Martinez Canillas /* Enable off mode for NWE in PADCONF_GPMC_NWE register */
12077eea280SJavier Martinez Canillas writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
12177eea280SJavier Martinez Canillas /* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
12277eea280SJavier Martinez Canillas writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
12377eea280SJavier Martinez Canillas /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
12477eea280SJavier Martinez Canillas writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
12577eea280SJavier Martinez Canillas &ctrl_base->gpmc_nadv_ale);
12677eea280SJavier Martinez Canillas
1276ed75ba7SLadislav Michl reset_net_chip(64);
12877eea280SJavier Martinez Canillas }
129b0c47633SLadislav Michl
board_eth_init(bd_t * bis)130b0c47633SLadislav Michl int board_eth_init(bd_t *bis)
131b0c47633SLadislav Michl {
132b0c47633SLadislav Michl #ifdef CONFIG_SMC911X
133b0c47633SLadislav Michl return smc911x_initialize(0, CONFIG_SMC911X_BASE);
134b0c47633SLadislav Michl #else
135b0c47633SLadislav Michl return 0;
136b0c47633SLadislav Michl #endif
137b0c47633SLadislav Michl }
13877eea280SJavier Martinez Canillas #else
setup_net_chip(void)13977eea280SJavier Martinez Canillas static inline void setup_net_chip(void) {}
14077eea280SJavier Martinez Canillas #endif
14177eea280SJavier Martinez Canillas
142568b471eSLadislav Michl #ifdef CONFIG_OF_BOARD_SETUP
ft_enable_by_compatible(void * blob,char * compat,int enable)143e4290aa1SLadislav Michl static int ft_enable_by_compatible(void *blob, char *compat, int enable)
144e4290aa1SLadislav Michl {
145e4290aa1SLadislav Michl int off = fdt_node_offset_by_compatible(blob, -1, compat);
146e4290aa1SLadislav Michl if (off < 0)
147e4290aa1SLadislav Michl return off;
148e4290aa1SLadislav Michl
149e4290aa1SLadislav Michl if (enable)
150e4290aa1SLadislav Michl fdt_status_okay(blob, off);
151e4290aa1SLadislav Michl else
152e4290aa1SLadislav Michl fdt_status_disabled(blob, off);
153e4290aa1SLadislav Michl
154e4290aa1SLadislav Michl return 0;
155e4290aa1SLadislav Michl }
156e4290aa1SLadislav Michl
ft_board_setup(void * blob,bd_t * bd)157568b471eSLadislav Michl int ft_board_setup(void *blob, bd_t *bd)
158568b471eSLadislav Michl {
159568b471eSLadislav Michl #ifdef CONFIG_FDT_FIXUP_PARTITIONS
160*b35fb6acSMasahiro Yamada static const struct node_info nodes[] = {
161568b471eSLadislav Michl { "ti,omap2-nand", MTD_DEV_TYPE_NAND, },
162568b471eSLadislav Michl { "ti,omap2-onenand", MTD_DEV_TYPE_ONENAND, },
163568b471eSLadislav Michl };
164568b471eSLadislav Michl
165568b471eSLadislav Michl fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
166568b471eSLadislav Michl #endif
167e4290aa1SLadislav Michl ft_enable_by_compatible(blob, "ti,omap2-nand",
168e4290aa1SLadislav Michl gpmc_cs0_flash == MTD_DEV_TYPE_NAND);
169e4290aa1SLadislav Michl ft_enable_by_compatible(blob, "ti,omap2-onenand",
170e4290aa1SLadislav Michl gpmc_cs0_flash == MTD_DEV_TYPE_ONENAND);
171e4290aa1SLadislav Michl
172568b471eSLadislav Michl return 0;
173568b471eSLadislav Michl }
174568b471eSLadislav Michl #endif
175568b471eSLadislav Michl
set_led(void)176195dc231SPau Pajuelo void set_led(void)
177a2fa28bcSJavier Martinez Canillas {
178195dc231SPau Pajuelo switch (get_board_revision()) {
179195dc231SPau Pajuelo case 0:
180195dc231SPau Pajuelo case 1:
181195dc231SPau Pajuelo gpio_request(IGEP0020_GPIO_LED, "igep0020_gpio_led");
182195dc231SPau Pajuelo gpio_direction_output(IGEP0020_GPIO_LED, 1);
183a2fa28bcSJavier Martinez Canillas break;
184195dc231SPau Pajuelo case 2:
185195dc231SPau Pajuelo case 3:
186195dc231SPau Pajuelo gpio_request(IGEP0030_GPIO_LED, "igep0030_gpio_led");
187195dc231SPau Pajuelo gpio_direction_output(IGEP0030_GPIO_LED, 0);
188195dc231SPau Pajuelo break;
189195dc231SPau Pajuelo default:
190195dc231SPau Pajuelo /* Should not happen... */
191a2fa28bcSJavier Martinez Canillas break;
192a2fa28bcSJavier Martinez Canillas }
193a2fa28bcSJavier Martinez Canillas }
194a2fa28bcSJavier Martinez Canillas
set_boardname(void)195195dc231SPau Pajuelo void set_boardname(void)
196195dc231SPau Pajuelo {
197195dc231SPau Pajuelo char rev[5] = { 'F','C','G','E', };
198195dc231SPau Pajuelo int i = get_board_revision();
199195dc231SPau Pajuelo
200195dc231SPau Pajuelo rev[i+1] = 0;
201195dc231SPau Pajuelo env_set("board_rev", rev + i);
202195dc231SPau Pajuelo env_set("board_name", i < 2 ? "igep0020" : "igep0030");
203195dc231SPau Pajuelo }
204195dc231SPau Pajuelo
20577eea280SJavier Martinez Canillas /*
20677eea280SJavier Martinez Canillas * Routine: misc_init_r
20777eea280SJavier Martinez Canillas * Description: Configure board specific parts
20877eea280SJavier Martinez Canillas */
misc_init_r(void)20977eea280SJavier Martinez Canillas int misc_init_r(void)
21077eea280SJavier Martinez Canillas {
211195dc231SPau Pajuelo t2_t *t2_base = (t2_t *)T2_BASE;
212195dc231SPau Pajuelo u32 pbias_lite;
213195dc231SPau Pajuelo
21477eea280SJavier Martinez Canillas twl4030_power_init();
21577eea280SJavier Martinez Canillas
216195dc231SPau Pajuelo /* set VSIM to 1.8V */
217195dc231SPau Pajuelo twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VSIM_DEDICATED,
218195dc231SPau Pajuelo TWL4030_PM_RECEIVER_VSIM_VSEL_18,
219195dc231SPau Pajuelo TWL4030_PM_RECEIVER_VSIM_DEV_GRP,
220195dc231SPau Pajuelo TWL4030_PM_RECEIVER_DEV_GRP_P1);
221195dc231SPau Pajuelo
222195dc231SPau Pajuelo /* set up dual-voltage GPIOs to 1.8V */
223195dc231SPau Pajuelo pbias_lite = readl(&t2_base->pbias_lite);
224195dc231SPau Pajuelo pbias_lite &= ~PBIASLITEVMODE1;
225195dc231SPau Pajuelo pbias_lite |= PBIASLITEPWRDNZ1;
226195dc231SPau Pajuelo writel(pbias_lite, &t2_base->pbias_lite);
227195dc231SPau Pajuelo if (get_cpu_family() == CPU_OMAP36XX)
228195dc231SPau Pajuelo writel(readl(OMAP34XX_CTRL_WKUP_CTRL) |
229195dc231SPau Pajuelo OMAP34XX_CTRL_WKUP_CTRL_GPIO_IO_PWRDNZ,
230195dc231SPau Pajuelo OMAP34XX_CTRL_WKUP_CTRL);
231195dc231SPau Pajuelo
23277eea280SJavier Martinez Canillas setup_net_chip();
23377eea280SJavier Martinez Canillas
234679f82c3SPaul Kocialkowski omap_die_id_display();
23577eea280SJavier Martinez Canillas
236195dc231SPau Pajuelo set_led();
237195dc231SPau Pajuelo
238195dc231SPau Pajuelo set_boardname();
239a2fa28bcSJavier Martinez Canillas
24077eea280SJavier Martinez Canillas return 0;
24177eea280SJavier Martinez Canillas }
24277eea280SJavier Martinez Canillas
board_mtdparts_default(const char ** mtdids,const char ** mtdparts)243a5debaa3SLadislav Michl void board_mtdparts_default(const char **mtdids, const char **mtdparts)
244a5debaa3SLadislav Michl {
245a5debaa3SLadislav Michl struct mtd_info *mtd = get_mtd_device(NULL, 0);
246a5debaa3SLadislav Michl if (mtd) {
247a5debaa3SLadislav Michl static char ids[24];
248a5debaa3SLadislav Michl static char parts[48];
249a5debaa3SLadislav Michl const char *linux_name = "omap2-nand";
250a5debaa3SLadislav Michl if (strncmp(mtd->name, "onenand0", 8) == 0)
251a5debaa3SLadislav Michl linux_name = "omap2-onenand";
252a5debaa3SLadislav Michl snprintf(ids, sizeof(ids), "%s=%s", mtd->name, linux_name);
253a5debaa3SLadislav Michl snprintf(parts, sizeof(parts), "mtdparts=%s:%dk(SPL),-(UBI)",
254a5debaa3SLadislav Michl linux_name, 4 * mtd->erasesize >> 10);
255a5debaa3SLadislav Michl *mtdids = ids;
256a5debaa3SLadislav Michl *mtdparts = parts;
257a5debaa3SLadislav Michl }
258a5debaa3SLadislav Michl }
259