/*
- * (C) Copyright 2004-2008
+ * (C) Copyright 2004-2011
* Texas Instruments, <www.ti.com>
*
* Author :
* MA 02111-1307 USA
*/
#include <common.h>
+#ifdef CONFIG_STATUS_LED
+#include <status_led.h>
+#endif
#include <twl4030.h>
+#include <linux/mtd/nand.h>
#include <asm/io.h>
+#include <asm/arch/mmc_host_def.h>
#include <asm/arch/mux.h>
+#include <asm/arch/mem.h>
#include <asm/arch/sys_proto.h>
-#include <asm/arch/gpio.h>
+#include <asm/gpio.h>
#include <asm/mach-types.h>
#include "beagle.h"
+#include <command.h>
-static int beagle_revision_c;
+#ifdef CONFIG_USB_EHCI
+#include <usb.h>
+#include <asm/ehci-omap.h>
+#endif
+
+#define pr_debug(fmt, args...) debug(fmt, ##args)
+
+#define TWL4030_I2C_BUS 0
+#define EXPANSION_EEPROM_I2C_BUS 1
+#define EXPANSION_EEPROM_I2C_ADDRESS 0x50
+
+#define TINCANTOOLS_ZIPPY 0x01000100
+#define TINCANTOOLS_ZIPPY2 0x02000100
+#define TINCANTOOLS_TRAINER 0x04000100
+#define TINCANTOOLS_SHOWDOG 0x03000100
+#define KBADC_BEAGLEFPGA 0x01000600
+#define LW_BEAGLETOUCH 0x01000700
+#define BRAINMUX_LCDOG 0x01000800
+#define BRAINMUX_LCDOGTOUCH 0x02000800
+#define BBTOYS_WIFI 0x01000B00
+#define BBTOYS_VGA 0x02000B00
+#define BBTOYS_LCD 0x03000B00
+#define BCT_BRETTL3 0x01000F00
+#define BCT_BRETTL4 0x02000F00
+#define BEAGLE_NO_EEPROM 0xffffffff
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct {
+ unsigned int device_vendor;
+ unsigned char revision;
+ unsigned char content;
+ char fab_revision[8];
+ char env_var[16];
+ char env_setting[64];
+} expansion_config;
/*
* Routine: board_init
*/
int board_init(void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
/* board id for Linux */
gd->bd->bi_arch_number = MACH_TYPE_OMAP3_BEAGLE;
/* boot param addr */
gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
+#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
+ status_led_set (STATUS_LED_BOOT, STATUS_LED_ON);
+#endif
+
return 0;
}
/*
- * Routine: beagle_get_revision
- * Description: Return the revision of the BeagleBoard this code is running on.
- * If it is a revision Ax/Bx board, this function returns 0,
- * on a revision C board you will get a 1.
+ * Routine: get_board_revision
+ * Description: Detect if we are running on a Beagle revision Ax/Bx,
+ * C1/2/3, C4 or xM. This can be done by reading
+ * the level of GPIO173, GPIO172 and GPIO171. This should
+ * result in
+ * GPIO173, GPIO172, GPIO171: 1 1 1 => Ax/Bx
+ * GPIO173, GPIO172, GPIO171: 1 1 0 => C1/2/3
+ * GPIO173, GPIO172, GPIO171: 1 0 1 => C4
+ * GPIO173, GPIO172, GPIO171: 0 0 0 => xM
*/
-int beagle_get_revision(void)
+int get_board_revision(void)
{
- return beagle_revision_c;
+ int revision;
+
+ if (!gpio_request(171, "") &&
+ !gpio_request(172, "") &&
+ !gpio_request(173, "")) {
+
+ gpio_direction_input(171);
+ gpio_direction_input(172);
+ gpio_direction_input(173);
+
+ revision = gpio_get_value(173) << 2 |
+ gpio_get_value(172) << 1 |
+ gpio_get_value(171);
+ } else {
+ printf("Error: unable to acquire board revision GPIOs\n");
+ revision = -1;
+ }
+
+ return revision;
}
+#ifdef CONFIG_SPL_BUILD
/*
- * Routine: beagle_identify
- * Description: Detect if we are running on a Beagle revision Ax/Bx or
- * Cx. This can be done by GPIO_171. If this is low, we are
- * running on a revision C board.
+ * 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 beagle_identify(void)
+void get_board_mem_timings(u32 *mcfg, u32 *ctrla, u32 *ctrlb, u32 *rfr_ctrl,
+ u32 *mr)
{
- beagle_revision_c = 0;
- if (!omap_request_gpio(171)) {
- unsigned int val;
-
- omap_set_gpio_direction(171, 1);
- val = omap_get_gpio_datain(171);
- omap_free_gpio(171);
-
- if (val)
- beagle_revision_c = 0;
- else
- beagle_revision_c = 1;
+ int pop_mfr, pop_id;
+
+ /*
+ * We need to identify what PoP memory is on the board so that
+ * we know what timings to use. If we can't identify it then
+ * we know it's an xM. To map the ID values please see nand_ids.c
+ */
+ identify_nand_chip(&pop_mfr, &pop_id);
+
+ *mr = MICRON_V_MR_165;
+ switch (get_board_revision()) {
+ case REVISION_C4:
+ if (pop_mfr == NAND_MFR_STMICRO && pop_id == 0xba) {
+ /* 512MB DDR */
+ *mcfg = NUMONYX_V_MCFG_165(512 << 20);
+ *ctrla = NUMONYX_V_ACTIMA_165;
+ *ctrlb = NUMONYX_V_ACTIMB_165;
+ *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+ break;
+ } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xba) {
+ /* Beagleboard Rev C4, 512MB Nand/256MB DDR*/
+ *mcfg = MICRON_V_MCFG_165(128 << 20);
+ *ctrla = MICRON_V_ACTIMA_165;
+ *ctrlb = MICRON_V_ACTIMB_165;
+ *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+ break;
+ } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xbc) {
+ /* Beagleboard Rev C5, 256MB DDR */
+ *mcfg = MICRON_V_MCFG_200(256 << 20);
+ *ctrla = MICRON_V_ACTIMA_200;
+ *ctrlb = MICRON_V_ACTIMB_200;
+ *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
+ break;
+ }
+ case REVISION_XM_A:
+ case REVISION_XM_B:
+ case REVISION_XM_C:
+ if (pop_mfr == 0) {
+ /* 256MB DDR */
+ *mcfg = MICRON_V_MCFG_200(256 << 20);
+ *ctrla = MICRON_V_ACTIMA_200;
+ *ctrlb = MICRON_V_ACTIMB_200;
+ *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
+ } else {
+ /* 512MB DDR */
+ *mcfg = NUMONYX_V_MCFG_165(512 << 20);
+ *ctrla = NUMONYX_V_ACTIMA_165;
+ *ctrlb = NUMONYX_V_ACTIMB_165;
+ *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+ }
+ break;
+ default:
+ /* Assume 128MB and Micron/165MHz timings to be safe */
+ *mcfg = MICRON_V_MCFG_165(128 << 20);
+ *ctrla = MICRON_V_ACTIMA_165;
+ *ctrlb = MICRON_V_ACTIMB_165;
+ *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
}
+}
+#endif
+
+/*
+ * Routine: get_expansion_id
+ * Description: This function checks for expansion board by checking I2C
+ * bus 1 for the availability of an AT24C01B serial EEPROM.
+ * returns the device_vendor field from the EEPROM
+ */
+unsigned int get_expansion_id(void)
+{
+ i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
- printf("Board revision ");
- if (beagle_revision_c)
- printf("C\n");
- else
- printf("Ax/Bx\n");
+ /* return BEAGLE_NO_EEPROM if eeprom doesn't respond */
+ if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
+ i2c_set_bus_num(TWL4030_I2C_BUS);
+ return BEAGLE_NO_EEPROM;
+ }
+
+ /* read configuration data */
+ i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
+ sizeof(expansion_config));
+
+ i2c_set_bus_num(TWL4030_I2C_BUS);
+
+ return expansion_config.device_vendor;
+}
+
+/*
+ * Configure DSS to display background color on DVID
+ * Configure VENC to display color bar on S-Video
+ */
+void beagle_display_init(void)
+{
+ omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH);
+ switch (get_board_revision()) {
+ case REVISION_AXBX:
+ case REVISION_CX:
+ case REVISION_C4:
+ omap3_dss_panel_config(&dvid_cfg);
+ break;
+ case REVISION_XM_A:
+ case REVISION_XM_B:
+ case REVISION_XM_C:
+ default:
+ omap3_dss_panel_config(&dvid_cfg_xm);
+ break;
+ }
+}
+
+/*
+ * Enable DVI power
+ */
+static void beagle_dvi_pup(void)
+{
+ uchar val;
+
+ switch (get_board_revision()) {
+ case REVISION_AXBX:
+ case REVISION_CX:
+ case REVISION_C4:
+ case REVISION_XM_A:
+ gpio_request(170, "");
+ gpio_direction_output(170, 0);
+ gpio_set_value(170, 1);
+ break;
+ case REVISION_XM_B:
+ case REVISION_XM_C:
+ default:
+ #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3)
+ #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6)
+
+ i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
+ val |= 4;
+ i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1);
+
+ i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
+ val |= 4;
+ i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1);
+ break;
+ }
}
/*
{
struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
+ struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE;
- twl4030_power_init();
- twl4030_led_init();
+ /* Enable i2c2 pullup resisters */
+ writel(~(PRG_I2C2_PULLUPRESX), &prog_io_base->io1);
- /* Configure GPIOs to output */
- writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
- writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
- GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
+ switch (get_board_revision()) {
+ case REVISION_AXBX:
+ printf("Beagle Rev Ax/Bx\n");
+ setenv("beaglerev", "AxBx");
+ break;
+ case REVISION_CX:
+ printf("Beagle Rev C1/C2/C3\n");
+ setenv("beaglerev", "Cx");
+ MUX_BEAGLE_C();
+ break;
+ case REVISION_C4:
+ printf("Beagle Rev C4\n");
+ setenv("beaglerev", "C4");
+ MUX_BEAGLE_C();
+ /* Set VAUX2 to 1.8V for EHCI PHY */
+ twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
+ TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
+ TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
+ TWL4030_PM_RECEIVER_DEV_GRP_P1);
+ break;
+ case REVISION_XM_A:
+ printf("Beagle xM Rev A\n");
+ setenv("beaglerev", "xMA");
+ MUX_BEAGLE_XM();
+ /* Set VAUX2 to 1.8V for EHCI PHY */
+ twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
+ TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
+ TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
+ TWL4030_PM_RECEIVER_DEV_GRP_P1);
+ break;
+ case REVISION_XM_B:
+ printf("Beagle xM Rev B\n");
+ setenv("beaglerev", "xMB");
+ MUX_BEAGLE_XM();
+ /* Set VAUX2 to 1.8V for EHCI PHY */
+ twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
+ TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
+ TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
+ TWL4030_PM_RECEIVER_DEV_GRP_P1);
+ break;
+ case REVISION_XM_C:
+ printf("Beagle xM Rev C\n");
+ setenv("beaglerev", "xMC");
+ MUX_BEAGLE_XM();
+ /* Set VAUX2 to 1.8V for EHCI PHY */
+ twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
+ TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
+ TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
+ TWL4030_PM_RECEIVER_DEV_GRP_P1);
+ break;
+ default:
+ printf("Beagle unknown 0x%02x\n", get_board_revision());
+ MUX_BEAGLE_XM();
+ /* Set VAUX2 to 1.8V for EHCI PHY */
+ twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
+ TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
+ TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
+ TWL4030_PM_RECEIVER_DEV_GRP_P1);
+ }
- /* Set GPIOs */
+ switch (get_expansion_id()) {
+ case TINCANTOOLS_ZIPPY:
+ printf("Recognized Tincantools Zippy board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_TINCANTOOLS_ZIPPY();
+ setenv("buddy", "zippy");
+ break;
+ case TINCANTOOLS_ZIPPY2:
+ printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_TINCANTOOLS_ZIPPY();
+ setenv("buddy", "zippy2");
+ break;
+ case TINCANTOOLS_TRAINER:
+ printf("Recognized Tincantools Trainer board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_TINCANTOOLS_ZIPPY();
+ MUX_TINCANTOOLS_TRAINER();
+ setenv("buddy", "trainer");
+ break;
+ case TINCANTOOLS_SHOWDOG:
+ printf("Recognized Tincantools Showdow board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ /* Place holder for DSS2 definition for showdog lcd */
+ setenv("defaultdisplay", "showdoglcd");
+ setenv("buddy", "showdog");
+ break;
+ case KBADC_BEAGLEFPGA:
+ printf("Recognized KBADC Beagle FPGA board\n");
+ MUX_KBADC_BEAGLEFPGA();
+ setenv("buddy", "beaglefpga");
+ break;
+ case LW_BEAGLETOUCH:
+ printf("Recognized Liquidware BeagleTouch board\n");
+ setenv("buddy", "beagletouch");
+ break;
+ case BRAINMUX_LCDOG:
+ printf("Recognized Brainmux LCDog board\n");
+ setenv("buddy", "lcdog");
+ break;
+ case BRAINMUX_LCDOGTOUCH:
+ printf("Recognized Brainmux LCDog Touch board\n");
+ setenv("buddy", "lcdogtouch");
+ break;
+ case BBTOYS_WIFI:
+ printf("Recognized BeagleBoardToys WiFi board\n");
+ MUX_BBTOYS_WIFI()
+ setenv("buddy", "bbtoys-wifi");
+ break;;
+ case BBTOYS_VGA:
+ printf("Recognized BeagleBoardToys VGA board\n");
+ break;;
+ case BBTOYS_LCD:
+ printf("Recognized BeagleBoardToys LCD board\n");
+ break;;
+ case BCT_BRETTL3:
+ printf("Recognized bct electronic GmbH brettl3 board\n");
+ break;
+ case BCT_BRETTL4:
+ printf("Recognized bct electronic GmbH brettl4 board\n");
+ break;
+ case BEAGLE_NO_EEPROM:
+ printf("No EEPROM on expansion board\n");
+ setenv("buddy", "none");
+ break;
+ default:
+ printf("Unrecognized expansion board: %x\n",
+ expansion_config.device_vendor);
+ setenv("buddy", "unknown");
+ }
+
+ if (expansion_config.content == 1)
+ setenv(expansion_config.env_var, expansion_config.env_setting);
+
+ twl4030_power_init();
+ switch (get_board_revision()) {
+ case REVISION_XM_A:
+ case REVISION_XM_B:
+ twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
+ break;
+ default:
+ twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
+ break;
+ }
+
+ /* Set GPIO states before they are made outputs */
writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1,
&gpio6_base->setdataout);
writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
- beagle_identify();
+ /* Configure GPIOs to output */
+ writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
+ writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
+ GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe);
dieid_num_r();
+ beagle_dvi_pup();
+ beagle_display_init();
+ omap3_dss_enable();
+
return 0;
}
void set_muxconf_regs(void)
{
MUX_BEAGLE();
+}
- if (beagle_revision_c) {
- MUX_BEAGLE_C();
- }
+#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
+int board_mmc_init(bd_t *bis)
+{
+ omap_mmc_init(0, 0, 0);
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_USB_EHCI
+/* Call usb_stop() before starting the kernel */
+void show_boot_progress(int val)
+{
+ if (val == BOOTSTAGE_ID_RUN_OS)
+ usb_stop();
+}
+
+static struct omap_usbhs_board_data usbhs_bdata = {
+ .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
+ .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
+ .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
+};
+
+int ehci_hcd_init(void)
+{
+ return omap_ehci_hcd_init(&usbhs_bdata);
}
+
+int ehci_hcd_stop(void)
+{
+ return omap_ehci_hcd_stop();
+}
+
+#endif /* CONFIG_USB_EHCI */
projects / karo-tx-uboot.git / blobdiff