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-rw-r--r--board/ti/beagle/beagle.c102
-rw-r--r--board/ti/beagle/beagle.h40
2 files changed, 100 insertions, 42 deletions
diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c
index 3b4c9e7..4647908 100644
--- a/board/ti/beagle/beagle.c
+++ b/board/ti/beagle/beagle.c
@@ -38,8 +38,6 @@
#include <asm/mach-types.h>
#include "beagle.h"
-static int beagle_revision_c;
-
/*
* Routine: board_init
* Description: Early hardware init.
@@ -58,43 +56,41 @@ int board_init(void)
}
/*
- * 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;
-/*
- * 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.
- */
-void beagle_identify(void)
-{
- beagle_revision_c = 0;
- if (!omap_request_gpio(171)) {
- unsigned int val;
+ if (!omap_request_gpio(171) &&
+ !omap_request_gpio(172) &&
+ !omap_request_gpio(173)) {
omap_set_gpio_direction(171, 1);
- val = omap_get_gpio_datain(171);
- omap_free_gpio(171);
+ omap_set_gpio_direction(172, 1);
+ omap_set_gpio_direction(173, 1);
- if (val)
- beagle_revision_c = 0;
- else
- beagle_revision_c = 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;
}
- printf("Board revision ");
- if (beagle_revision_c)
- printf("C\n");
- else
- printf("Ax/Bx\n");
+ return revision;
}
/*
@@ -106,6 +102,44 @@ int misc_init_r(void)
struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
+ 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());
+ }
+
twl4030_power_init();
twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
@@ -120,8 +154,6 @@ int misc_init_r(void)
writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
- beagle_identify();
-
dieid_num_r();
return 0;
@@ -136,8 +168,4 @@ int misc_init_r(void)
void set_muxconf_regs(void)
{
MUX_BEAGLE();
-
- if (beagle_revision_c) {
- MUX_BEAGLE_C();
- }
}
diff --git a/board/ti/beagle/beagle.h b/board/ti/beagle/beagle.h
index 7fe6275..d860337 100644
--- a/board/ti/beagle/beagle.h
+++ b/board/ti/beagle/beagle.h
@@ -33,7 +33,11 @@ const omap3_sysinfo sysinfo = {
#endif
};
-#define BOARD_REVISION_MASK (0x1 << 11)
+/* BeagleBoard revisions */
+#define REVISION_AXBX 0x7
+#define REVISION_CX 0x6
+#define REVISION_C4 0x5
+#define REVISION_XM 0x0
/*
* IEN - Input Enable
@@ -264,7 +268,7 @@ const omap3_sysinfo sysinfo = {
MUX_VAL(CP(HDQ_SIO), (IDIS | PTU | EN | M4)) /*GPIO_170*/\
MUX_VAL(CP(MCSPI1_CLK), (IEN | PTU | EN | M4)) /*GPIO_171*/\
MUX_VAL(CP(MCSPI1_SIMO), (IEN | PTU | EN | M4)) /*GPIO_172*/\
- MUX_VAL(CP(MCSPI1_SOMI), (IEN | PTD | DIS | M0)) /*McSPI1_SOMI*/\
+ MUX_VAL(CP(MCSPI1_SOMI), (IEN | PTU | EN | M4)) /*GPIO_173*/\
MUX_VAL(CP(MCSPI1_CS0), (IEN | PTD | EN | M0)) /*McSPI1_CS0*/\
MUX_VAL(CP(MCSPI1_CS1), (IDIS | PTD | EN | M0)) /*McSPI1_CS1*/\
MUX_VAL(CP(MCSPI1_CS2), (IDIS | PTD | DIS | M4)) /*GPIO_176*/\
@@ -374,11 +378,37 @@ const omap3_sysinfo sysinfo = {
MUX_VAL(CP(SDRC_CKE1), (IDIS | PTU | EN | M0)) /*sdrc_cke1*/
#define MUX_BEAGLE_C() \
- MUX_VAL(CP(MCBSP3_DX), (IEN | PTD | DIS | M4)) /*GPIO_140*/\
- MUX_VAL(CP(MCBSP3_DR), (IEN | PTD | DIS | M4)) /*GPIO_142*/\
- MUX_VAL(CP(MCBSP3_CLKX), (IEN | PTD | DIS | M4)) /*GPIO_141*/\
+ MUX_VAL(CP(MCBSP3_DX), (IEN | PTD | DIS | M4)) /*GPIO_140*/\
+ MUX_VAL(CP(MCBSP3_DR), (IEN | PTD | DIS | M4)) /*GPIO_142*/\
+ MUX_VAL(CP(MCBSP3_CLKX), (IEN | PTD | DIS | M4)) /*GPIO_141*/\
MUX_VAL(CP(UART2_CTS), (IEN | PTU | EN | M0)) /*UART2_CTS*/\
MUX_VAL(CP(UART2_RTS), (IDIS | PTD | DIS | M0)) /*UART2_RTS*/\
MUX_VAL(CP(UART2_TX), (IDIS | PTD | DIS | M0)) /*UART2_TX*/
+#define MUX_BEAGLE_XM() \
+ MUX_VAL(CP(MCBSP3_DX), (IEN | PTD | DIS | M4)) /*GPIO_140*/\
+ MUX_VAL(CP(MCBSP3_DR), (IEN | PTD | DIS | M4)) /*GPIO_142*/\
+ MUX_VAL(CP(MCBSP3_CLKX), (IEN | PTD | DIS | M4)) /*GPIO_141*/\
+ MUX_VAL(CP(UART2_CTS), (IEN | PTU | EN | M0)) /*UART2_CTS*/\
+ MUX_VAL(CP(UART2_RTS), (IDIS | PTD | DIS | M0)) /*UART2_RTS*/\
+ MUX_VAL(CP(UART2_TX), (IDIS | PTD | DIS | M0)) /*UART2_TX*/\
+ MUX_VAL(CP(DSS_DATA0), (IDIS | PTD | DIS | M7)) /*safe_mode*/\
+ MUX_VAL(CP(DSS_DATA1), (IDIS | PTD | DIS | M7)) /*safe_mode*/\
+ MUX_VAL(CP(DSS_DATA2), (IDIS | PTD | DIS | M7)) /*safe_mode*/\
+ MUX_VAL(CP(DSS_DATA3), (IDIS | PTD | DIS | M7)) /*safe_mode*/\
+ MUX_VAL(CP(DSS_DATA4), (IDIS | PTD | DIS | M7)) /*safe_mode*/\
+ MUX_VAL(CP(DSS_DATA5), (IDIS | PTD | DIS | M7)) /*safe_mode*/\
+ MUX_VAL(CP(DSS_DATA18), (IDIS | PTD | DIS | M3)) /*DSS_DATA0*/\
+ MUX_VAL(CP(DSS_DATA19), (IDIS | PTD | DIS | M3)) /*DSS_DATA1*/\
+ MUX_VAL(CP(DSS_DATA20), (IDIS | PTD | DIS | M3)) /*DSS_DATA2*/\
+ MUX_VAL(CP(DSS_DATA21), (IDIS | PTD | DIS | M3)) /*DSS_DATA3*/\
+ MUX_VAL(CP(DSS_DATA22), (IDIS | PTD | DIS | M3)) /*DSS_DATA4*/\
+ MUX_VAL(CP(DSS_DATA23), (IDIS | PTD | DIS | M3)) /*DSS_DATA5*/\
+ MUX_VAL(CP(SYS_BOOT0), (IDIS | PTD | DIS | M3)) /*DSS_DATA18*/\
+ MUX_VAL(CP(SYS_BOOT1), (IDIS | PTD | DIS | M3)) /*DSS_DATA19*/\
+ MUX_VAL(CP(SYS_BOOT3), (IDIS | PTD | DIS | M3)) /*DSS_DATA20*/\
+ MUX_VAL(CP(SYS_BOOT4), (IDIS | PTD | DIS | M3)) /*DSS_DATA21*/\
+ MUX_VAL(CP(SYS_BOOT5), (IDIS | PTD | DIS | M3)) /*DSS_DATA22*/\
+ MUX_VAL(CP(SYS_BOOT6), (IDIS | PTD | DIS | M3)) /*DSS_DATA23*/
+
#endif
generated by cgit v1.1 at 2024-11-25 11:13:01 +0000