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

* 'master' of git://git.denx.de/u-boot-arm:
  drivers/rtc: add Marvell Integrated RTC
  Armada100: Add Board Support for Marvell GuruPlug-Display
  Armada100: MFP macro naming correction
  arm: auto gen asm-offsets.h for mb86r0x
  spear: fix build errors for spear3xx/spear600 platforms
  cosmetic: arm: lib/board.c: Coding Style cleanup
  ARM: versatile: fix board support
  SMDKV310: Enable device tree support
  SMDKV310: MMC_SPL: Fix building when using "make O="
  arm: a320: enable tagged list support
  arm: a320: fix multiline comment style
  ARMv7: u8500_href: Add missing header to fix compiler warning
  Removed unused define, CONFIG_ARMV7.
  avr32: add grasshopper (ICnova AP7000) board
  AT91/SPI: fix atmel_dataflash_spi.c to allow building without warnings
  MAKEALL: remove AT91 boards that are in boards.cfg
  AT91: Makes AT91SAM9263-EK build correctly against u-boot-atmel/master
  AT91: Makes AT91SAM9263 SoC build correctly against u-boot-atmel/master
  AT91: Board fix for AT91SAM9261-EK
  AT91: SoC fix at91sam9261_matrix.h
  AT91: Makes AT91SAM9RL-EK build correctly against u-boot-atmel/master
  AT91: Makes AT91SAM9RL SoC build correctly against u-boot-atmel/master
  AT91: change common at91sam9261 files to compile with new scheme
  AT91: fix mistake in at91sam9260_devices.c(spi1_hw_init)
  a/a/c/arm920t/at91/reset.c: drop obsolete CONFIG_AT91RM9200_USART
  README: fix arm920t/at91 path
  net/eth.c: drop obsolete at91rm9200 support
  README.at91-soc: remove AT91(RM9200) joining notice
  a/a/c/arm920t/cpu.c: remove CONFIG_AT91_LEGACY warning
  MAKEALL: remove obsolete at91rm9200 soc
  ARM: remove obsolete at91rm9200
  omap4: clock init support for omap4460
  omap4: support TPS programming
  omap: reuse omap3 gpio support in omap4
  omap4: sdram init changes for omap4460
  omap4: add omap4460 revision detection
  mkimage: Add OMAP boot image support
  omap: add MMC and FAT support to SPL
  omap: add basic SPL support
  armv7: start.S: fixes and enhancements for SPL
  omap4: automatic sdram detection
  omap4: calculate EMIF register values
  omap4: add sdram init support
  omap4: add clock support
  omap4: add OMAP4430 revision check
  omap4: cleanup pin mux data
  omap4: utility function to identify the context of hw init
  DA8xx: fix LPSC constants
  DA8xx: switch an enum to defines for consistency
  DA8xx: add MMC/SD controller addresses
  DaVinci EMAC: declare function for all DA8xx CPUs
  DA8xx: add generic GPIO driver
  DaVinci: rename gpio_defs.h to gpio.h
  omap3evm: eth: Include functions only when necessary
  omap3evm: Update ethernet reset sequence for Rev.G board
  omap3evm: eth: split function setup_net_chip
  omap3: Include array definition only when it is used
  omap730p2: fix build breaks
  omap2420h4: fix build breaks
  omap1610inn: fix build breaks
  omap1510inn: fix build breaks
  omap5912osk: fix build breaks
  omap1610h2: fix build breaks

1 files changed, 170 insertions, 10 deletions

diff --git a/arch/arm/cpu/armv7/omap4/board.c b/arch/arm/cpu/armv7/omap4/board.c
index de4cc2a..5943d61 100644
--- a/arch/arm/cpu/armv7/omap4/board.c
+++ b/arch/arm/cpu/armv7/omap4/board.c
@@ -28,20 +28,181 @@
  * MA 02111-1307 USA
  */
 #include <common.h>
+#include <asm/armv7.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/sizes.h>
+#include <asm/arch/emif.h>
+#include <asm/omap_gpio.h>
+#include "omap4_mux_data.h"
 
 DECLARE_GLOBAL_DATA_PTR;
 
+u32 *const omap4_revision = (u32 *)OMAP4_SRAM_SCRATCH_OMAP4_REV;
+
+static const struct gpio_bank gpio_bank_44xx[6] = {
+	{ (void *)OMAP44XX_GPIO1_BASE, METHOD_GPIO_24XX },
+	{ (void *)OMAP44XX_GPIO2_BASE, METHOD_GPIO_24XX },
+	{ (void *)OMAP44XX_GPIO3_BASE, METHOD_GPIO_24XX },
+	{ (void *)OMAP44XX_GPIO4_BASE, METHOD_GPIO_24XX },
+	{ (void *)OMAP44XX_GPIO5_BASE, METHOD_GPIO_24XX },
+	{ (void *)OMAP44XX_GPIO6_BASE, METHOD_GPIO_24XX },
+};
+
+const struct gpio_bank *const omap_gpio_bank = gpio_bank_44xx;
+
+#ifdef CONFIG_SPL_BUILD
+/*
+ * We use static variables because global data is not ready yet.
+ * Initialized data is available in SPL right from the beginning.
+ * We would not typically need to save these parameters in regular
+ * U-Boot. This is needed only in SPL at the moment.
+ */
+u32 omap4_boot_device = BOOT_DEVICE_MMC1;
+u32 omap4_boot_mode = MMCSD_MODE_FAT;
+
+u32 omap_boot_device(void)
+{
+	return omap4_boot_device;
+}
+
+u32 omap_boot_mode(void)
+{
+	return omap4_boot_mode;
+}
+#endif
+
+void do_set_mux(u32 base, struct pad_conf_entry const *array, int size)
+{
+	int i;
+	struct pad_conf_entry *pad = (struct pad_conf_entry *) array;
+
+	for (i = 0; i < size; i++, pad++)
+		writew(pad->val, base + pad->offset);
+}
+
+static void set_muxconf_regs_essential(void)
+{
+	do_set_mux(CONTROL_PADCONF_CORE, core_padconf_array_essential,
+		   sizeof(core_padconf_array_essential) /
+		   sizeof(struct pad_conf_entry));
+
+	do_set_mux(CONTROL_PADCONF_WKUP, wkup_padconf_array_essential,
+		   sizeof(wkup_padconf_array_essential) /
+		   sizeof(struct pad_conf_entry));
+
+	/* gpio_wk7 is used for controlling TPS on 4460 */
+	if (omap_revision() >= OMAP4460_ES1_0)
+		writew(M3, CONTROL_WKUP_PAD1_FREF_CLK4_REQ);
+}
+
+static void set_mux_conf_regs(void)
+{
+	switch (omap4_hw_init_context()) {
+	case OMAP_INIT_CONTEXT_SPL:
+		set_muxconf_regs_essential();
+		break;
+	case OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL:
+		set_muxconf_regs_non_essential();
+		break;
+	case OMAP_INIT_CONTEXT_UBOOT_FROM_NOR:
+	case OMAP_INIT_CONTEXT_UBOOT_AFTER_CH:
+		set_muxconf_regs_essential();
+		set_muxconf_regs_non_essential();
+		break;
+	}
+}
+
+static u32 cortex_a9_rev(void)
+{
+
+	unsigned int rev;
+
+	/* Read Main ID Register (MIDR) */
+	asm ("mrc p15, 0, %0, c0, c0, 0" : "=r" (rev));
+
+	return rev;
+}
+
+static void init_omap4_revision(void)
+{
+	/*
+	 * For some of the ES2/ES1 boards ID_CODE is not reliable:
+	 * Also, ES1 and ES2 have different ARM revisions
+	 * So use ARM revision for identification
+	 */
+	unsigned int arm_rev = cortex_a9_rev();
+
+	switch (arm_rev) {
+	case MIDR_CORTEX_A9_R0P1:
+		*omap4_revision = OMAP4430_ES1_0;
+		break;
+	case MIDR_CORTEX_A9_R1P2:
+		switch (readl(CONTROL_ID_CODE)) {
+		case OMAP4_CONTROL_ID_CODE_ES2_0:
+			*omap4_revision = OMAP4430_ES2_0;
+			break;
+		case OMAP4_CONTROL_ID_CODE_ES2_1:
+			*omap4_revision = OMAP4430_ES2_1;
+			break;
+		case OMAP4_CONTROL_ID_CODE_ES2_2:
+			*omap4_revision = OMAP4430_ES2_2;
+			break;
+		default:
+			*omap4_revision = OMAP4430_ES2_0;
+			break;
+		}
+		break;
+	case MIDR_CORTEX_A9_R1P3:
+		*omap4_revision = OMAP4430_ES2_3;
+		break;
+	case MIDR_CORTEX_A9_R2P10:
+		*omap4_revision = OMAP4460_ES1_0;
+		break;
+	default:
+		*omap4_revision = OMAP4430_SILICON_ID_INVALID;
+		break;
+	}
+}
+
+void omap_rev_string(char *omap4_rev_string)
+{
+	u32 omap4_rev = omap_revision();
+	u32 omap4_variant = (omap4_rev & 0xFFFF0000) >> 16;
+	u32 major_rev = (omap4_rev & 0x00000F00) >> 8;
+	u32 minor_rev = (omap4_rev & 0x000000F0) >> 4;
+
+	sprintf(omap4_rev_string, "OMAP%x ES%x.%x", omap4_variant, major_rev,
+		minor_rev);
+}
+
 /*
  * Routine: s_init
- * Description: Does early system init of muxing and clocks.
- *              - Called path is with SRAM stack.
+ * Description: Does early system init of watchdog, muxing,  andclocks
+ * Watchdog disable is done always. For the rest what gets done
+ * depends on the boot mode in which this function is executed
+ *   1. s_init of SPL running from SRAM
+ *   2. s_init of U-Boot running from FLASH
+ *   3. s_init of U-Boot loaded to SDRAM by SPL
+ *   4. s_init of U-Boot loaded to SDRAM by ROM code using the
+ *	Configuration Header feature
+ * Please have a look at the respective functions to see what gets
+ * done in each of these cases
+ * This function is called with SRAM stack.
  */
 void s_init(void)
 {
+	init_omap4_revision();
 	watchdog_init();
+	set_mux_conf_regs();
+#ifdef CONFIG_SPL_BUILD
+	preloader_console_init();
+#endif
+	prcm_init();
+#ifdef CONFIG_SPL_BUILD
+	/* For regular u-boot sdram_init() is called from dram_init() */
+	sdram_init();
+#endif
 }
 
 /*
@@ -76,17 +237,17 @@ void watchdog_init(void)
  * This is needed because the size of memory installed may be
  * different on different versions of the board
  */
-u32 sdram_size(void)
+u32 omap4_sdram_size(void)
 {
 	u32 section, i, total_size = 0, size, addr;
 	for (i = 0; i < 4; i++) {
-		section	= __raw_readl(DMM_LISA_MAP_BASE + i*4);
-		addr = section & DMM_LISA_MAP_SYS_ADDR_MASK;
+		section	= __raw_readl(OMAP44XX_DMM_LISA_MAP_BASE + i*4);
+		addr = section & OMAP44XX_SYS_ADDR_MASK;
 		/* See if the address is valid */
 		if ((addr >= OMAP44XX_DRAM_ADDR_SPACE_START) &&
 		    (addr < OMAP44XX_DRAM_ADDR_SPACE_END)) {
-			size	= ((section & DMM_LISA_MAP_SYS_SIZE_MASK) >>
-				    DMM_LISA_MAP_SYS_SIZE_SHIFT);
+			size	= ((section & OMAP44XX_SYS_SIZE_MASK) >>
+				   OMAP44XX_SYS_SIZE_SHIFT);
 			size	= 1 << size;
 			size	*= SZ_16M;
 			total_size += size;
@@ -102,8 +263,8 @@ u32 sdram_size(void)
  */
 int dram_init(void)
 {
-
-	gd->ram_size = sdram_size();
+	sdram_init();
+	gd->ram_size = omap4_sdram_size();
 
 	return 0;
 }
@@ -124,7 +285,6 @@ int checkboard(void)
 */
 int arch_cpu_init(void)
 {
-	set_muxconf_regs();
 	return 0;
 }