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Diffstat (limited to 'board/goldelico/gta04/gta04.c')
-rw-r--r--board/goldelico/gta04/gta04.c179
1 files changed, 102 insertions, 77 deletions
diff --git a/board/goldelico/gta04/gta04.c b/board/goldelico/gta04/gta04.c
index 875f0c4..e9bdd87 100644
--- a/board/goldelico/gta04/gta04.c
+++ b/board/goldelico/gta04/gta04.c
@@ -10,6 +10,9 @@
* Richard Woodruff <r-woodruff2@ti.com>
* Syed Mohammed Khasim <khasim@ti.com>
*
+ * Authos:
+ * Nikolaus Schaller <hns@goldelico.com>
+ * adapted to GTA04
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -40,7 +43,6 @@
#include <asm/mach-types.h>
#include "gta04.h"
-
#if 1 /* testing tool; you can call notify() anywhere even before initialization to see how far the code comes */
/******************************************************************************
@@ -103,33 +105,7 @@ int board_init(void)
*/
int get_board_revision(void)
{
-#ifdef CONFIG_OMAP3_GTA04
return 6; // configure pinmux for C1/2/3
-#else
- int revision;
-
- if (!omap_request_gpio(171) &&
- !omap_request_gpio(172) &&
- !omap_request_gpio(173)) {
-
- omap_set_gpio_direction(171, 1);
- omap_set_gpio_direction(172, 1);
- omap_set_gpio_direction(173, 1);
-
- revision = omap_get_gpio_datain(173) << 2 |
- omap_get_gpio_datain(172) << 1 |
- omap_get_gpio_datain(171);
-
- omap_free_gpio(171);
- omap_free_gpio(172);
- omap_free_gpio(173);
- } else {
- printf("Error: unable to acquire board revision GPIOs\n");
- revision = -1;
- }
-
- return revision;
-#endif
}
/*
@@ -137,7 +113,6 @@ int get_board_revision(void)
* Description: Configure board specific parts
*/
-#ifdef CONFIG_OMAP3_GTA04
#define TCA6507_BUS (2-1) // I2C2
#define TCA6507_ADDRESS 0x45
@@ -145,13 +120,11 @@ int get_board_revision(void)
#define TCA6507_SELECT0 0
#define TCA6507_SELECT1 1
#define TCA6507_SELECT2 2
-#endif
int misc_init_r(void)
{
struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
-#ifdef CONFIG_OMAP3_GTA04
/* ITG3200 & HMC5883L VAUX2 = 2.8V */
twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
@@ -170,63 +143,25 @@ int misc_init_r(void)
i2c_reg_write(TCA6507_ADDRESS, TCA6507_SELECT2, 0x40); // pull down reset for WLAN&BT chip
i2c_set_bus_num(0); // write I2C1
+#if 0 // FIXME: enable only on demand if we want to test BT/WIFI - and apply RESET
/* Bluetooth VAUX4 = 3.3V -- CHECKME: 3.3 V is not officially supported! We use 0x09 = 2.8V here*/
twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX4_DEDICATED,
/*TWL4030_PM_RECEIVER_VAUX4_VSEL_33*/ 0x09,
TWL4030_PM_RECEIVER_VAUX4_DEV_GRP,
TWL4030_PM_RECEIVER_DEV_GRP_P1);
-
-#else
- switch (get_board_revision()) {
- case REVISION_AXBX:
-// printf("Beagle Rev Ax/Bx\n");
-// setenv("beaglerev", "AxBx");
- setenv("mpurate", "600");
- break;
- case REVISION_CX:
-// printf("Beagle Rev C1/C2/C3\n");
-// setenv("beaglerev", "Cx");
- setenv("mpurate", "600");
- MUX_BEAGLE_C();
- break;
- case REVISION_C4:
-// printf("Beagle Rev C4\n");
-// setenv("beaglerev", "C4");
- setenv("mpurate", "720");
- 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:
-// printf("Beagle xM Rev A\n");
-// setenv("beaglerev", "xMA");
- setenv("mpurate", "1000");
- 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());
- }
#endif
-
+
+ /* make dependent on CPU type */
+ setenv("mpurate", "600");
+ setenv("mpurate", "800");
+
twl4030_power_init();
-#ifdef CONFIG_OMAP3_GTA04
// we have no LEDs on TPS on GTA04
// but a power on/off button (8 seconds)
twl4030_power_reset_init();
-#else
- // LEDs on BeagleBoard
- twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
-#endif
-
+
+#if 0
// FIXME: check this!!!
/* Configure GPIOs to output */
@@ -239,9 +174,99 @@ int misc_init_r(void)
&gpio6_base->setdataout);
writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
+#endif
- dieid_num_r();
+#if 1 // duplicate with twl4030-additions
+
+#define TWL4030_BB_CFG_BBCHEN (1 << 4)
+#define TWL4030_BB_CFG_BBSEL_3200MV (3 << 2)
+#define TWL4030_BB_CFG_BBISEL_500UA 2
+ /* Enable battery backup capacitor (3.2V, 0.5mA charge current) */
+ twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER,
+ TWL4030_BB_CFG_BBCHEN | TWL4030_BB_CFG_BBSEL_3200MV |
+ TWL4030_BB_CFG_BBISEL_500UA, TWL4030_PM_RECEIVER_BB_CFG);
+#endif
+
+ dieid_num_r();
+
+#if 0 // check if watchdog is switched off
+ {
+ struct _watchdog {
+ u32 widr; /* 0x00 r */
+ u8 res1[0x0c];
+ u32 wd_sysconfig; /* 0x10 rw */
+ u32 ws_sysstatus; /* 0x14 r */
+ u32 wisr;
+ u32 wier;
+ u8 res2[0x04];
+ u32 wclr; /* 0x24 rw */
+ u32 wcrr;
+ u32 wldr;
+ u32 wtgr;
+ u32 wwps; /* 0x34 r */
+ u8 res3[0x10];
+ u32 wspr; /* 0x48 rw */
+ };
+ struct _watchdog *wd2_base = (struct watchdog *)WD2_BASE;
+ struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+
+ printf("idlest_wkup = %08x\n", readl(&prcm_base->idlest_wkup));
+ printf("widr = %08x\n", readl(&wd2_base->widr));
+ printf("wd_sysconfig = %08x\n", readl(&wd2_base->wd_sysconfig));
+ printf("ws_sysstatus = %08x\n", readl(&wd2_base->ws_sysstatus));
+ printf("wisr = %08x\n", readl(&wd2_base->wisr));
+ printf("wier = %08x\n", readl(&wd2_base->wier));
+ printf("wclr = %08x\n", readl(&wd2_base->wclr));
+ printf("wcrr = %08x\n", readl(&wd2_base->wcrr));
+ printf("wldr = %08x\n", readl(&wd2_base->wldr));
+ printf("wtgr = %08x\n", readl(&wd2_base->wtgr));
+ printf("wwps = %08x\n", readl(&wd2_base->wwps));
+ printf("wspr = %08x\n", readl(&wd2_base->wspr));
+
+ writel(WD_UNLOCK2, &wd2_base->wspr);
+ myudelay(100);
+ writel(WD_UNLOCK1, &wd2_base->wspr);
+ myudelay(100);
+ writel(WD_UNLOCK2, &wd2_base->wspr);
+ myudelay(100);
+ writel(WD_UNLOCK1, &wd2_base->wspr);
+ myudelay(100);
+ writel(WD_UNLOCK2, &wd2_base->wspr);
+
+ myudelay(10000); // so that we can see if the counter counts...
+
+ printf("idlest_wkup = %08x\n", readl(&prcm_base->idlest_wkup));
+ printf("widr = %08x\n", readl(&wd2_base->widr));
+ printf("wd_sysconfig = %08x\n", readl(&wd2_base->wd_sysconfig));
+ printf("ws_sysstatus = %08x\n", readl(&wd2_base->ws_sysstatus));
+ printf("wisr = %08x\n", readl(&wd2_base->wisr));
+ printf("wier = %08x\n", readl(&wd2_base->wier));
+ printf("wclr = %08x\n", readl(&wd2_base->wclr));
+ printf("wcrr = %08x\n", readl(&wd2_base->wcrr));
+ printf("wldr = %08x\n", readl(&wd2_base->wldr));
+ printf("wtgr = %08x\n", readl(&wd2_base->wtgr));
+ printf("wwps = %08x\n", readl(&wd2_base->wwps));
+ printf("wspr = %08x\n", readl(&wd2_base->wspr));
+
+ writel(readl(&wd2_base->wtgr) + 1, &wd2_base->wtgr);
+
+ printf("idlest_wkup = %08x\n", readl(&prcm_base->idlest_wkup));
+ printf("widr = %08x\n", readl(&wd2_base->widr));
+ printf("wd_sysconfig = %08x\n", readl(&wd2_base->wd_sysconfig));
+ printf("ws_sysstatus = %08x\n", readl(&wd2_base->ws_sysstatus));
+ printf("wisr = %08x\n", readl(&wd2_base->wisr));
+ printf("wier = %08x\n", readl(&wd2_base->wier));
+ printf("wclr = %08x\n", readl(&wd2_base->wclr));
+ printf("wcrr = %08x\n", readl(&wd2_base->wcrr));
+ printf("wldr = %08x\n", readl(&wd2_base->wldr));
+ printf("wtgr = %08x\n", readl(&wd2_base->wtgr));
+ printf("wwps = %08x\n", readl(&wd2_base->wwps));
+ printf("wspr = %08x\n", readl(&wd2_base->wspr));
+
+ }
+#endif
+
return 0;
}
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