Merge branch 'master' of git://git.denx.de/u-boot-arm

3 files changed, 88 insertions, 90 deletions

diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index 638cc4d68b..fdbe26cde1 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -38,9 +38,6 @@
 DECLARE_GLOBAL_DATA_PTR;
 
 static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE;
-#ifdef CONFIG_SPL_BUILD
-static struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE;
-#endif
 
 /* MII mode defines */
 #define MII_MODE_ENABLE		0x0
@@ -126,28 +123,7 @@ static int read_eeprom(void)
 	return 0;
 }
 
-/* UART Defines */
 #ifdef CONFIG_SPL_BUILD
-#define UART_RESET		(0x1 << 1)
-#define UART_CLK_RUNNING_MASK	0x1
-#define UART_SMART_IDLE_EN	(0x1 << 0x3)
-
-static void rtc32k_enable(void)
-{
-	struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE;
-
-	/*
-	 * Unlock the RTC's registers.  For more details please see the
-	 * RTC_SS section of the TRM.  In order to unlock we need to
-	 * write these specific values (keys) in this order.
-	 */
-	writel(0x83e70b13, &rtc->kick0r);
-	writel(0x95a4f1e0, &rtc->kick1r);
-
-	/* Enable the RTC 32K OSC by setting bits 3 and 6. */
-	writel((1 << 3) | (1 << 6), &rtc->osc);
-}
-
 static const struct ddr_data ddr2_data = {
 	.datardsratio0 = ((MT47H128M16RT25E_RD_DQS<<30) |
 			  (MT47H128M16RT25E_RD_DQS<<20) |
@@ -339,9 +315,6 @@ void s_init(void)
 	/* Enable RTC32K clock */
 	rtc32k_enable();
 
-	/* UART softreset */
-	u32 regVal;
-
 #ifdef CONFIG_SERIAL1
 	enable_uart0_pin_mux();
 #endif /* CONFIG_SERIAL1 */
@@ -361,17 +334,7 @@ void s_init(void)
 	enable_uart5_pin_mux();
 #endif /* CONFIG_SERIAL6 */
 
-	regVal = readl(&uart_base->uartsyscfg);
-	regVal |= UART_RESET;
-	writel(regVal, &uart_base->uartsyscfg);
-	while ((readl(&uart_base->uartsyssts) &
-		UART_CLK_RUNNING_MASK) != UART_CLK_RUNNING_MASK)
-		;
-
-	/* Disable smart idle */
-	regVal = readl(&uart_base->uartsyscfg);
-	regVal |= UART_SMART_IDLE_EN;
-	writel(regVal, &uart_base->uartsyscfg);
+	uart_soft_reset();
 
 	gd = &gdata;
 
diff --git a/board/ti/panda/panda.c b/board/ti/panda/panda.c
index 90ae29e7c6..1da5b359c0 100644
--- a/board/ti/panda/panda.c
+++ b/board/ti/panda/panda.c
@@ -37,6 +37,11 @@
 #endif
 
 #define PANDA_ULPI_PHY_TYPE_GPIO       182
+#define PANDA_BOARD_ID_1_GPIO          101
+#define PANDA_ES_BOARD_ID_1_GPIO        48
+#define PANDA_BOARD_ID_2_GPIO          171
+#define PANDA_ES_BOARD_ID_3_GPIO         3
+#define PANDA_ES_BOARD_ID_4_GPIO         2
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -66,6 +71,73 @@ int board_eth_init(bd_t *bis)
 	return 0;
 }
 
+/*
+* Routine: get_board_revision
+* Description: Detect if we are running on a panda revision A1-A6,
+*              or an ES panda board. This can be done by reading
+*              the level of GPIOs and checking the processor revisions.
+*              This should result in:
+*			Panda 4430:
+*              GPIO171, GPIO101, GPIO182: 0 1 1 => A1-A5
+*              GPIO171, GPIO101, GPIO182: 1 0 1 => A6
+*			Panda ES:
+*              GPIO2, GPIO3, GPIO171, GPIO48, GPIO182: 0 0 0 1 1 => B1/B2
+*              GPIO2, GPIO3, GPIO171, GPIO48, GPIO182: 0 0 1 1 1 => B3
+*/
+int get_board_revision(void)
+{
+	int board_id0, board_id1, board_id2;
+	int board_id3, board_id4;
+	int board_id;
+
+	int processor_rev = omap_revision();
+
+	/* Setup the mux for the common board ID pins (gpio 171 and 182) */
+	writew((IEN | M3), (*ctrl)->control_padconf_core_base + UNIPRO_TX0);
+	writew((IEN | M3), (*ctrl)->control_padconf_core_base + FREF_CLK2_OUT);
+
+	board_id0 = gpio_get_value(PANDA_ULPI_PHY_TYPE_GPIO);
+	board_id2 = gpio_get_value(PANDA_BOARD_ID_2_GPIO);
+
+	if ((processor_rev >= OMAP4460_ES1_0 &&
+	     processor_rev <= OMAP4460_ES1_1)) {
+		/*
+		 * Setup the mux for the ES specific board ID pins (gpio 101,
+		 * 2 and 3.
+		 */
+		writew((IEN | M3), (*ctrl)->control_padconf_core_base +
+				GPMC_A24);
+		writew((IEN | M3), (*ctrl)->control_padconf_core_base +
+				UNIPRO_RY0);
+		writew((IEN | M3), (*ctrl)->control_padconf_core_base +
+				UNIPRO_RX1);
+
+		board_id1 = gpio_get_value(PANDA_ES_BOARD_ID_1_GPIO);
+		board_id3 = gpio_get_value(PANDA_ES_BOARD_ID_3_GPIO);
+		board_id4 = gpio_get_value(PANDA_ES_BOARD_ID_4_GPIO);
+
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+		setenv("board_name", strcat(CONFIG_SYS_BOARD, "-es"));
+#endif
+		board_id = ((board_id4 << 4) | (board_id3 << 3) |
+			(board_id2 << 2) | (board_id1 << 1) | (board_id0));
+	} else {
+		/* Setup the mux for the Ax specific board ID pins (gpio 101) */
+		writew((IEN | M3), (*ctrl)->control_padconf_core_base +
+				FREF_CLK2_OUT);
+
+		board_id1 = gpio_get_value(PANDA_BOARD_ID_1_GPIO);
+		board_id = ((board_id2 << 2) | (board_id1 << 1) | (board_id0));
+
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+		if ((board_id >= 0x3) && (processor_rev == OMAP4430_ES2_3))
+			setenv("board_name", strcat(CONFIG_SYS_BOARD, "-a4"));
+#endif
+	}
+
+	return board_id;
+}
+
 /**
  * @brief misc_init_r - Configure Panda board specific configurations
  * such as power configurations, ethernet initialization as phase2 of
@@ -82,11 +154,7 @@ int misc_init_r(void)
 	if (omap_revision() == OMAP4430_ES1_0)
 		return 0;
 
-#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
-	if (omap_revision() >= OMAP4460_ES1_0 ||
-		omap_revision() <= OMAP4460_ES1_1)
-		setenv("board_name", strcat(CONFIG_SYS_BOARD, "-es"));
-#endif
+	get_board_revision();
 
 	gpio_direction_input(PANDA_ULPI_PHY_TYPE_GPIO);
 	phy_type = gpio_get_value(PANDA_ULPI_PHY_TYPE_GPIO);
@@ -106,7 +174,7 @@ int misc_init_r(void)
 		auxclk |= AUXCLK_ENABLE_MASK;
 
 		writel(auxclk, &scrm->auxclk3);
-       } else {
+	} else {
 		/* ULPI PHY supplied by auxclk1 derived from PER dpll */
 		debug("ULPI PHY supplied by auxclk1\n");
 
@@ -151,9 +219,9 @@ void set_muxconf_regs_essential(void)
 
 	if (omap_revision() >= OMAP4460_ES1_0)
 		do_set_mux((*ctrl)->control_padconf_wkup_base,
-				 wkup_padconf_array_essential_4460,
-				 sizeof(wkup_padconf_array_essential_4460) /
-				 sizeof(struct pad_conf_entry));
+			   wkup_padconf_array_essential_4460,
+			   sizeof(wkup_padconf_array_essential_4460) /
+			   sizeof(struct pad_conf_entry));
 }
 
 void set_muxconf_regs_non_essential(void)
@@ -165,14 +233,14 @@ void set_muxconf_regs_non_essential(void)
 
 	if (omap_revision() < OMAP4460_ES1_0)
 		do_set_mux((*ctrl)->control_padconf_core_base,
-				core_padconf_array_non_essential_4430,
-				sizeof(core_padconf_array_non_essential_4430) /
-				sizeof(struct pad_conf_entry));
+			   core_padconf_array_non_essential_4430,
+			   sizeof(core_padconf_array_non_essential_4430) /
+			   sizeof(struct pad_conf_entry));
 	else
 		do_set_mux((*ctrl)->control_padconf_core_base,
-				core_padconf_array_non_essential_4460,
-				sizeof(core_padconf_array_non_essential_4460) /
-				sizeof(struct pad_conf_entry));
+			   core_padconf_array_non_essential_4460,
+			   sizeof(core_padconf_array_non_essential_4460) /
+			   sizeof(struct pad_conf_entry));
 
 	do_set_mux((*ctrl)->control_padconf_wkup_base,
 		   wkup_padconf_array_non_essential,
@@ -181,9 +249,9 @@ void set_muxconf_regs_non_essential(void)
 
 	if (omap_revision() < OMAP4460_ES1_0)
 		do_set_mux((*ctrl)->control_padconf_wkup_base,
-				wkup_padconf_array_non_essential_4430,
-				sizeof(wkup_padconf_array_non_essential_4430) /
-				sizeof(struct pad_conf_entry));
+			   wkup_padconf_array_non_essential_4430,
+			   sizeof(wkup_padconf_array_non_essential_4430) /
+			   sizeof(struct pad_conf_entry));
 }
 
 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
diff --git a/board/ti/ti814x/evm.c b/board/ti/ti814x/evm.c
index 4759b167a4..6ad3dd8fc7 100644
--- a/board/ti/ti814x/evm.c
+++ b/board/ti/ti814x/evm.c
@@ -37,49 +37,16 @@ DECLARE_GLOBAL_DATA_PTR;
 
 #ifdef CONFIG_SPL_BUILD
 static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE;
-static struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE;
 #endif
 
 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
 
 /* UART Defines */
 #ifdef CONFIG_SPL_BUILD
-#define UART_RESET		(0x1 << 1)
-#define UART_CLK_RUNNING_MASK	0x1
-#define UART_SMART_IDLE_EN	(0x1 << 0x3)
-
-static void rtc32k_enable(void)
-{
-	struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE;
-
-	/*
-	 * Unlock the RTC's registers.  For more details please see the
-	 * RTC_SS section of the TRM.  In order to unlock we need to
-	 * write these specific values (keys) in this order.
-	 */
-	writel(0x83e70b13, &rtc->kick0r);
-	writel(0x95a4f1e0, &rtc->kick1r);
-
-	/* Enable the RTC 32K OSC by setting bits 3 and 6. */
-	writel((1 << 3) | (1 << 6), &rtc->osc);
-}
-
 static void uart_enable(void)
 {
-	u32 regVal;
-
 	/* UART softreset */
-	regVal = readl(&uart_base->uartsyscfg);
-	regVal |= UART_RESET;
-	writel(regVal, &uart_base->uartsyscfg);
-	while ((readl(&uart_base->uartsyssts) &
-		UART_CLK_RUNNING_MASK) != UART_CLK_RUNNING_MASK)
-		;
-
-	/* Disable smart idle */
-	regVal = readl(&uart_base->uartsyscfg);
-	regVal |= UART_SMART_IDLE_EN;
-	writel(regVal, &uart_base->uartsyscfg);
+	uart_soft_reset();
 }
 
 static void wdt_disable(void)