#include <asm/arch/mmc_host_def.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
-#include <asm/mach-types.h>
#include <linux/mtd/mtd.h>
-#include <linux/mtd/nand.h>
-#include <linux/mtd/nand.h>
+#include <linux/mtd/rawnand.h>
#include <linux/mtd/onenand.h>
#include <jffs2/load_kernel.h>
#include <mtd_node.h>
#include <fdt_support.h>
#include "igep00x0.h"
-DECLARE_GLOBAL_DATA_PTR;
-
static const struct ns16550_platdata igep_serial = {
.base = OMAP34XX_UART3,
.reg_shift = 2,
- .clock = V_NS16550_CLK
+ .clock = V_NS16550_CLK,
+ .fcr = UART_FCR_DEFVAL,
};
U_BOOT_DEVICE(igep_uart) = {
};
/*
- * Routine: board_init
- * Description: Early hardware init.
+ * Routine: get_board_revision
+ * Description: GPIO_28 and GPIO_129 are used to read board and revision from
+ * IGEP00x0 boards. First of all, it is necessary to reset USB transceiver from
+ * IGEP0030 in order to read GPIO_IGEP00X0_BOARD_DETECTION correctly, because
+ * this functionality is shared by USB HOST.
+ * Once USB reset is applied, U-boot configures these pins as input pullup to
+ * detect board and revision:
+ * IGEP0020-RF = 0b00
+ * IGEP0020-RC = 0b01
+ * IGEP0030-RG = 0b10
+ * IGEP0030-RE = 0b11
*/
-int board_init(void)
+static int get_board_revision(void)
{
- int loops = 100;
-
- /* find out flash memory type, assume NAND first */
- gpmc_cs0_flash = MTD_DEV_TYPE_NAND;
- gpmc_init();
-
- /* Issue a RESET and then READID */
- writeb(NAND_CMD_RESET, &gpmc_cfg->cs[0].nand_cmd);
- writeb(NAND_CMD_STATUS, &gpmc_cfg->cs[0].nand_cmd);
- while ((readl(&gpmc_cfg->cs[0].nand_dat) & NAND_STATUS_READY)
- != NAND_STATUS_READY) {
- udelay(1);
- if (--loops == 0) {
- gpmc_cs0_flash = MTD_DEV_TYPE_ONENAND;
- gpmc_init(); /* reinitialize for OneNAND */
- break;
- }
- }
+ int revision;
- /* boot param addr */
- gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
+ gpio_request(IGEP0030_USB_TRANSCEIVER_RESET,
+ "igep0030_usb_transceiver_reset");
+ gpio_direction_output(IGEP0030_USB_TRANSCEIVER_RESET, 0);
-#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
- status_led_set(STATUS_LED_BOOT, STATUS_LED_ON);
-#endif
+ gpio_request(GPIO_IGEP00X0_BOARD_DETECTION, "igep00x0_board_detection");
+ gpio_direction_input(GPIO_IGEP00X0_BOARD_DETECTION);
+ revision = 2 * gpio_get_value(GPIO_IGEP00X0_BOARD_DETECTION);
+ gpio_free(GPIO_IGEP00X0_BOARD_DETECTION);
- return 0;
-}
-
-#ifdef CONFIG_SPL_BUILD
-/*
- * Routine: get_board_mem_timings
- * Description: If we use SPL then there is no x-loader nor config header
- * so we have to setup the DDR timings ourself on both banks.
- */
-void get_board_mem_timings(struct board_sdrc_timings *timings)
-{
- int mfr, id, err = identify_nand_chip(&mfr, &id);
-
- timings->mr = MICRON_V_MR_165;
- if (!err) {
- switch (mfr) {
- case NAND_MFR_HYNIX:
- timings->mcfg = HYNIX_V_MCFG_200(256 << 20);
- timings->ctrla = HYNIX_V_ACTIMA_200;
- timings->ctrlb = HYNIX_V_ACTIMB_200;
- break;
- case NAND_MFR_MICRON:
- timings->mcfg = MICRON_V_MCFG_200(256 << 20);
- timings->ctrla = MICRON_V_ACTIMA_200;
- timings->ctrlb = MICRON_V_ACTIMB_200;
- break;
- default:
- /* Should not happen... */
- break;
- }
- timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
- gpmc_cs0_flash = MTD_DEV_TYPE_NAND;
- } else {
- if (get_cpu_family() == CPU_OMAP34XX) {
- timings->mcfg = NUMONYX_V_MCFG_165(256 << 20);
- timings->ctrla = NUMONYX_V_ACTIMA_165;
- timings->ctrlb = NUMONYX_V_ACTIMB_165;
- timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
- } else {
- timings->mcfg = NUMONYX_V_MCFG_200(256 << 20);
- timings->ctrla = NUMONYX_V_ACTIMA_200;
- timings->ctrlb = NUMONYX_V_ACTIMB_200;
- timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
- }
- gpmc_cs0_flash = MTD_DEV_TYPE_ONENAND;
- }
-}
+ gpio_request(GPIO_IGEP00X0_REVISION_DETECTION,
+ "igep00x0_revision_detection");
+ gpio_direction_input(GPIO_IGEP00X0_REVISION_DETECTION);
+ revision = revision + gpio_get_value(GPIO_IGEP00X0_REVISION_DETECTION);
+ gpio_free(GPIO_IGEP00X0_REVISION_DETECTION);
-#ifdef CONFIG_SPL_OS_BOOT
-int spl_start_uboot(void)
-{
- /* break into full u-boot on 'c' */
- if (serial_tstc() && serial_getc() == 'c')
- return 1;
+ gpio_free(IGEP0030_USB_TRANSCEIVER_RESET);
- return 0;
+ return revision;
}
-#endif
-#endif
int onenand_board_init(struct mtd_info *mtd)
{
static inline void setup_net_chip(void) {}
#endif
-#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
-int board_mmc_init(bd_t *bis)
+#ifdef CONFIG_OF_BOARD_SETUP
+static int ft_enable_by_compatible(void *blob, char *compat, int enable)
{
- return omap_mmc_init(0, 0, 0, -1, -1);
-}
-#endif
+ int off = fdt_node_offset_by_compatible(blob, -1, compat);
+ if (off < 0)
+ return off;
-#if defined(CONFIG_GENERIC_MMC)
-void board_mmc_power_init(void)
-{
- twl4030_power_mmc_init(0);
+ if (enable)
+ fdt_status_okay(blob, off);
+ else
+ fdt_status_disabled(blob, off);
+
+ return 0;
}
-#endif
-#ifdef CONFIG_OF_BOARD_SETUP
int ft_board_setup(void *blob, bd_t *bd)
{
#ifdef CONFIG_FDT_FIXUP_PARTITIONS
fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
#endif
+ ft_enable_by_compatible(blob, "ti,omap2-nand",
+ gpmc_cs0_flash == MTD_DEV_TYPE_NAND);
+ ft_enable_by_compatible(blob, "ti,omap2-onenand",
+ gpmc_cs0_flash == MTD_DEV_TYPE_ONENAND);
+
return 0;
}
#endif
-void set_fdt(void)
+void set_led(void)
{
- switch (gd->bd->bi_arch_number) {
- case MACH_TYPE_IGEP0020:
- setenv("fdtfile", "omap3-igep0020.dtb");
+ switch (get_board_revision()) {
+ case 0:
+ case 1:
+ gpio_request(IGEP0020_GPIO_LED, "igep0020_gpio_led");
+ gpio_direction_output(IGEP0020_GPIO_LED, 1);
+ break;
+ case 2:
+ case 3:
+ gpio_request(IGEP0030_GPIO_LED, "igep0030_gpio_led");
+ gpio_direction_output(IGEP0030_GPIO_LED, 0);
break;
- case MACH_TYPE_IGEP0030:
- setenv("fdtfile", "omap3-igep0030.dtb");
+ default:
+ /* Should not happen... */
break;
}
}
+void set_boardname(void)
+{
+ char rev[5] = { 'F','C','G','E', };
+ int i = get_board_revision();
+
+ rev[i+1] = 0;
+ env_set("board_rev", rev + i);
+ env_set("board_name", i < 2 ? "igep0020" : "igep0030");
+}
+
/*
* Routine: misc_init_r
* Description: Configure board specific parts
*/
int misc_init_r(void)
{
+ t2_t *t2_base = (t2_t *)T2_BASE;
+ u32 pbias_lite;
+
twl4030_power_init();
+ /* set VSIM to 1.8V */
+ twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VSIM_DEDICATED,
+ TWL4030_PM_RECEIVER_VSIM_VSEL_18,
+ TWL4030_PM_RECEIVER_VSIM_DEV_GRP,
+ TWL4030_PM_RECEIVER_DEV_GRP_P1);
+
+ /* set up dual-voltage GPIOs to 1.8V */
+ pbias_lite = readl(&t2_base->pbias_lite);
+ pbias_lite &= ~PBIASLITEVMODE1;
+ pbias_lite |= PBIASLITEPWRDNZ1;
+ writel(pbias_lite, &t2_base->pbias_lite);
+ if (get_cpu_family() == CPU_OMAP36XX)
+ writel(readl(OMAP34XX_CTRL_WKUP_CTRL) |
+ OMAP34XX_CTRL_WKUP_CTRL_GPIO_IO_PWRDNZ,
+ OMAP34XX_CTRL_WKUP_CTRL);
+
setup_net_chip();
omap_die_id_display();
- set_fdt();
+ set_led();
+
+ set_boardname();
return 0;
}
*mtdparts = parts;
}
}
-
-/*
- * Routine: set_muxconf_regs
- * Description: Setting up the configuration Mux registers specific to the
- * hardware. Many pins need to be moved from protect to primary
- * mode.
- */
-void set_muxconf_regs(void)
-{
- MUX_DEFAULT();
-
-#if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0020)
- MUX_IGEP0020();
-#endif
-
-#if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0030)
- MUX_IGEP0030();
-#endif
-}
projects / people / ms / u-boot.git / blobdiff