6 files changed, 54 insertions, 340 deletions

diff --git a/arch/arm/cpu/armv7/am33xx/Makefile b/arch/arm/cpu/armv7/am33xx/Makefile
index 7768912..74875b3 100644
--- a/arch/arm/cpu/armv7/am33xx/Makefile
+++ b/arch/arm/cpu/armv7/am33xx/Makefile
@@ -21,6 +21,7 @@ COBJS	+= sys_info.o
 COBJS	+= ddr.o
 COBJS	+= emif4.o
 COBJS	+= board.o
+COBJS	+= mux.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS) $(COBJS-y) $(SOBJS))
diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c
index 978b184..e4c123c 100644
--- a/arch/arm/cpu/armv7/am33xx/board.c
+++ b/arch/arm/cpu/armv7/am33xx/board.c
@@ -36,9 +36,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE;
-struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE;
-
 static const struct gpio_bank gpio_bank_am33xx[4] = {
 	{ (void *)AM33XX_GPIO0_BASE, METHOD_GPIO_24XX },
 	{ (void *)AM33XX_GPIO1_BASE, METHOD_GPIO_24XX },
@@ -48,153 +45,11 @@ static const struct gpio_bank gpio_bank_am33xx[4] = {
 
 const struct gpio_bank *const omap_gpio_bank = gpio_bank_am33xx;
 
-/* MII mode defines */
-#define MII_MODE_ENABLE		0x0
-#define RGMII_MODE_ENABLE	0xA
-
-/* GPIO that controls power to DDR on EVM-SK */
-#define GPIO_DDR_VTT_EN		7
-
-static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
-
-static struct am335x_baseboard_id __attribute__((section (".data"))) header;
-
-static inline int board_is_bone(void)
-{
-	return !strncmp(header.name, "A335BONE", HDR_NAME_LEN);
-}
-
-static inline int board_is_evm_sk(void)
-{
-	return !strncmp("A335X_SK", header.name, HDR_NAME_LEN);
-}
-
-/*
- * Read header information from EEPROM into global structure.
- */
-static int read_eeprom(void)
-{
-	/* Check if baseboard eeprom is available */
-	if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) {
-		puts("Could not probe the EEPROM; something fundamentally "
-			"wrong on the I2C bus.\n");
-		return -ENODEV;
-	}
-
-	/* read the eeprom using i2c */
-	if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 2, (uchar *)&header,
-							sizeof(header))) {
-		puts("Could not read the EEPROM; something fundamentally"
-			" wrong on the I2C bus.\n");
-		return -EIO;
-	}
-
-	if (header.magic != 0xEE3355AA) {
-		/*
-		 * read the eeprom using i2c again,
-		 * but use only a 1 byte address
-		 */
-		if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 1,
-					(uchar *)&header, sizeof(header))) {
-			puts("Could not read the EEPROM; something "
-				"fundamentally wrong on the I2C bus.\n");
-			return -EIO;
-		}
-
-		if (header.magic != 0xEE3355AA) {
-			printf("Incorrect magic number (0x%x) in EEPROM\n",
-					header.magic);
-			return -EINVAL;
-		}
-	}
-
-	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)
-#endif
-
-/*
- * Determine what type of DDR we have.
- */
-static short inline board_memory_type(void)
-{
-	/* The following boards are known to use DDR3. */
-	if (board_is_evm_sk())
-		return EMIF_REG_SDRAM_TYPE_DDR3;
-
-	return EMIF_REG_SDRAM_TYPE_DDR2;
-}
-
-/*
- * early system init of muxing and clocks.
- */
-void s_init(void)
-{
-	/* WDT1 is already running when the bootloader gets control
-	 * Disable it to avoid "random" resets
-	 */
-	writel(0xAAAA, &wdtimer->wdtwspr);
-	while (readl(&wdtimer->wdtwwps) != 0x0)
-		;
-	writel(0x5555, &wdtimer->wdtwspr);
-	while (readl(&wdtimer->wdtwwps) != 0x0)
-		;
-
-#ifdef CONFIG_SPL_BUILD
-	/* Setup the PLLs and the clocks for the peripherals */
-	pll_init();
-
-	/* UART softreset */
-	u32 regVal;
-
-	enable_uart0_pin_mux();
-
-	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);
-
-	gd = &gdata;
-
-	preloader_console_init();
-
-	/* Initalize the board header */
-	enable_i2c0_pin_mux();
-	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
-	if (read_eeprom() < 0)
-		puts("Could not get board ID.\n");
-
-	enable_board_pin_mux(&header);
-	if (board_is_evm_sk()) {
-		/*
-		 * EVM SK 1.2A and later use gpio0_7 to enable DDR3.
-		 * This is safe enough to do on older revs.
-		 */
-		gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en");
-		gpio_direction_output(GPIO_DDR_VTT_EN, 1);
-	}
-
-	config_ddr(board_memory_type());
-#endif
-}
-
 #if defined(CONFIG_OMAP_HSMMC) && !defined(CONFIG_SPL_BUILD)
-int board_mmc_init(bd_t *bis)
+int cpu_mmc_init(bd_t *bis)
 {
 	int ret;
-	
+
 	ret = omap_mmc_init(0, 0, 0);
 	if (ret)
 		return ret;
@@ -208,93 +63,3 @@ void setup_clocks_for_console(void)
 	/* Not yet implemented */
 	return;
 }
-
-/*
- * Basic board specific setup.  Pinmux has been handled already.
- */
-int board_init(void)
-{
-	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
-	if (read_eeprom() < 0)
-		puts("Could not get board ID.\n");
-
-	gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100;
-
-	return 0;
-}
-
-#ifdef CONFIG_DRIVER_TI_CPSW
-static void cpsw_control(int enabled)
-{
-	/* VTP can be added here */
-
-	return;
-}
-
-static struct cpsw_slave_data cpsw_slaves[] = {
-	{
-		.slave_reg_ofs	= 0x208,
-		.sliver_reg_ofs	= 0xd80,
-		.phy_id		= 0,
-	},
-	{
-		.slave_reg_ofs	= 0x308,
-		.sliver_reg_ofs	= 0xdc0,
-		.phy_id		= 1,
-	},
-};
-
-static struct cpsw_platform_data cpsw_data = {
-	.mdio_base		= AM335X_CPSW_MDIO_BASE,
-	.cpsw_base		= AM335X_CPSW_BASE,
-	.mdio_div		= 0xff,
-	.channels		= 8,
-	.cpdma_reg_ofs		= 0x800,
-	.slaves			= 1,
-	.slave_data		= cpsw_slaves,
-	.ale_reg_ofs		= 0xd00,
-	.ale_entries		= 1024,
-	.host_port_reg_ofs	= 0x108,
-	.hw_stats_reg_ofs	= 0x900,
-	.mac_control		= (1 << 5),
-	.control		= cpsw_control,
-	.host_port_num		= 0,
-	.version		= CPSW_CTRL_VERSION_2,
-};
-
-int board_eth_init(bd_t *bis)
-{
-	uint8_t mac_addr[6];
-	uint32_t mac_hi, mac_lo;
-
-	if (!eth_getenv_enetaddr("ethaddr", mac_addr)) {
-		debug("<ethaddr> not set. Reading from E-fuse\n");
-		/* try reading mac address from efuse */
-		mac_lo = readl(&cdev->macid0l);
-		mac_hi = readl(&cdev->macid0h);
-		mac_addr[0] = mac_hi & 0xFF;
-		mac_addr[1] = (mac_hi & 0xFF00) >> 8;
-		mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
-		mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
-		mac_addr[4] = mac_lo & 0xFF;
-		mac_addr[5] = (mac_lo & 0xFF00) >> 8;
-
-		if (is_valid_ether_addr(mac_addr))
-			eth_setenv_enetaddr("ethaddr", mac_addr);
-		else
-			return -1;
-	}
-
-	if (board_is_bone()) {
-		writel(MII_MODE_ENABLE, &cdev->miisel);
-		cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
-				PHY_INTERFACE_MODE_MII;
-	} else {
-		writel(RGMII_MODE_ENABLE, &cdev->miisel);
-		cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
-				PHY_INTERFACE_MODE_RGMII;
-	}
-
-	return cpsw_register(&cpsw_data);
-}
-#endif
diff --git a/arch/arm/cpu/armv7/am33xx/clock.c b/arch/arm/cpu/armv7/am33xx/clock.c
index 2b19506..f870859 100644
--- a/arch/arm/cpu/armv7/am33xx/clock.c
+++ b/arch/arm/cpu/armv7/am33xx/clock.c
@@ -44,6 +44,7 @@
 const struct cm_perpll *cmper = (struct cm_perpll *)CM_PER;
 const struct cm_wkuppll *cmwkup = (struct cm_wkuppll *)CM_WKUP;
 const struct cm_dpll *cmdpll = (struct cm_dpll *)CM_DPLL;
+const struct cm_rtc *cmrtc = (struct cm_rtc *)CM_RTC;
 
 static void enable_interface_clocks(void)
 {
@@ -153,6 +154,11 @@ static void enable_per_clocks(void)
 	writel(PRCM_MOD_EN, &cmper->spi0clkctrl);
 	while (readl(&cmper->spi0clkctrl) != PRCM_MOD_EN)
 		;
+
+	/* RTC */
+	writel(PRCM_MOD_EN, &cmrtc->rtcclkctrl);
+	while (readl(&cmrtc->rtcclkctrl) != PRCM_MOD_EN)
+		;
 }
 
 static void mpu_pll_config(void)
diff --git a/arch/arm/cpu/armv7/am33xx/config.mk b/arch/arm/cpu/armv7/am33xx/config.mk
index 5750bbd..babf0eb 100644
--- a/arch/arm/cpu/armv7/am33xx/config.mk
+++ b/arch/arm/cpu/armv7/am33xx/config.mk
@@ -13,6 +13,7 @@
 #
 ifdef CONFIG_SPL_BUILD
 ALL-y	+= $(OBJTREE)/MLO
+ALL-$(CONFIG_SPL_SPI_SUPPORT) += $(OBJTREE)/MLO.byteswap
 else
 ALL-y	+= $(obj)u-boot.img
 endif
diff --git a/arch/arm/cpu/armv7/am33xx/emif4.c b/arch/arm/cpu/armv7/am33xx/emif4.c
index b2d7c0d..01e3a52 100644
--- a/arch/arm/cpu/armv7/am33xx/emif4.c
+++ b/arch/arm/cpu/armv7/am33xx/emif4.c
@@ -47,78 +47,6 @@ void dram_init_banksize(void)
 static struct vtp_reg *vtpreg = (struct vtp_reg *)VTP0_CTRL_ADDR;
 static struct ddr_ctrl *ddrctrl = (struct ddr_ctrl *)DDR_CTRL_ADDR;
 
-static const struct ddr_data ddr2_data = {
-	.datardsratio0 = ((DDR2_RD_DQS<<30)|(DDR2_RD_DQS<<20)
-				|(DDR2_RD_DQS<<10)|(DDR2_RD_DQS<<0)),
-	.datawdsratio0 = ((DDR2_WR_DQS<<30)|(DDR2_WR_DQS<<20)
-				|(DDR2_WR_DQS<<10)|(DDR2_WR_DQS<<0)),
-	.datawiratio0 = ((DDR2_PHY_WRLVL<<30)|(DDR2_PHY_WRLVL<<20)
-				|(DDR2_PHY_WRLVL<<10)|(DDR2_PHY_WRLVL<<0)),
-	.datagiratio0 = ((DDR2_PHY_GATELVL<<30)|(DDR2_PHY_GATELVL<<20)
-				|(DDR2_PHY_GATELVL<<10)|(DDR2_PHY_GATELVL<<0)),
-	.datafwsratio0 = ((DDR2_PHY_FIFO_WE<<30)|(DDR2_PHY_FIFO_WE<<20)
-				|(DDR2_PHY_FIFO_WE<<10)|(DDR2_PHY_FIFO_WE<<0)),
-	.datawrsratio0 = ((DDR2_PHY_WR_DATA<<30)|(DDR2_PHY_WR_DATA<<20)
-				|(DDR2_PHY_WR_DATA<<10)|(DDR2_PHY_WR_DATA<<0)),
-	.datauserank0delay = DDR2_PHY_RANK0_DELAY,
-	.datadldiff0 = PHY_DLL_LOCK_DIFF,
-};
-
-static const struct cmd_control ddr2_cmd_ctrl_data = {
-	.cmd0csratio = DDR2_RATIO,
-	.cmd0dldiff = DDR2_DLL_LOCK_DIFF,
-	.cmd0iclkout = DDR2_INVERT_CLKOUT,
-
-	.cmd1csratio = DDR2_RATIO,
-	.cmd1dldiff = DDR2_DLL_LOCK_DIFF,
-	.cmd1iclkout = DDR2_INVERT_CLKOUT,
-
-	.cmd2csratio = DDR2_RATIO,
-	.cmd2dldiff = DDR2_DLL_LOCK_DIFF,
-	.cmd2iclkout = DDR2_INVERT_CLKOUT,
-};
-
-static const struct emif_regs ddr2_emif_reg_data = {
-	.sdram_config = DDR2_EMIF_SDCFG,
-	.ref_ctrl = DDR2_EMIF_SDREF,
-	.sdram_tim1 = DDR2_EMIF_TIM1,
-	.sdram_tim2 = DDR2_EMIF_TIM2,
-	.sdram_tim3 = DDR2_EMIF_TIM3,
-	.emif_ddr_phy_ctlr_1 = DDR2_EMIF_READ_LATENCY,
-};
-
-static const struct ddr_data ddr3_data = {
-	.datardsratio0 = DDR3_RD_DQS,
-	.datawdsratio0 = DDR3_WR_DQS,
-	.datafwsratio0 = DDR3_PHY_FIFO_WE,
-	.datawrsratio0 = DDR3_PHY_WR_DATA,
-	.datadldiff0 = PHY_DLL_LOCK_DIFF,
-};
-
-static const struct cmd_control ddr3_cmd_ctrl_data = {
-	.cmd0csratio = DDR3_RATIO,
-	.cmd0dldiff = DDR3_DLL_LOCK_DIFF,
-	.cmd0iclkout = DDR3_INVERT_CLKOUT,
-
-	.cmd1csratio = DDR3_RATIO,
-	.cmd1dldiff = DDR3_DLL_LOCK_DIFF,
-	.cmd1iclkout = DDR3_INVERT_CLKOUT,
-
-	.cmd2csratio = DDR3_RATIO,
-	.cmd2dldiff = DDR3_DLL_LOCK_DIFF,
-	.cmd2iclkout = DDR3_INVERT_CLKOUT,
-};
-
-static struct emif_regs ddr3_emif_reg_data = {
-	.sdram_config = DDR3_EMIF_SDCFG,
-	.ref_ctrl = DDR3_EMIF_SDREF,
-	.sdram_tim1 = DDR3_EMIF_TIM1,
-	.sdram_tim2 = DDR3_EMIF_TIM2,
-	.sdram_tim3 = DDR3_EMIF_TIM3,
-	.zq_config = DDR3_ZQ_CFG,
-	.emif_ddr_phy_ctlr_1 = DDR3_EMIF_READ_LATENCY,
-};
-
 static void config_vtp(void)
 {
 	writel(readl(&vtpreg->vtp0ctrlreg) | VTP_CTRL_ENABLE,
@@ -134,46 +62,26 @@ static void config_vtp(void)
 		;
 }
 
-void config_ddr(short ddr_type)
+void config_ddr(unsigned int pll, unsigned int ioctrl,
+		const struct ddr_data *data, const struct cmd_control *ctrl,
+		const struct emif_regs *regs)
 {
-	int ddr_pll, ioctrl_val;
-	const struct emif_regs *emif_regs;
-	const struct ddr_data *ddr_data;
-	const struct cmd_control *cmd_ctrl_data;
-
-	if (ddr_type == EMIF_REG_SDRAM_TYPE_DDR2) {
-		ddr_pll = 266;
-		cmd_ctrl_data = &ddr2_cmd_ctrl_data;
-		ddr_data = &ddr2_data;
-		ioctrl_val = DDR2_IOCTRL_VALUE;
-		emif_regs = &ddr2_emif_reg_data;
-	} else if (ddr_type == EMIF_REG_SDRAM_TYPE_DDR3) {
-		ddr_pll = 303;
-		cmd_ctrl_data = &ddr3_cmd_ctrl_data;
-		ddr_data = &ddr3_data;
-		ioctrl_val = DDR3_IOCTRL_VALUE;
-		emif_regs = &ddr3_emif_reg_data;
-	} else {
-		puts("Unknown memory type");
-		hang();
-	}
-
 	enable_emif_clocks();
-	ddr_pll_config(ddr_pll);
+	ddr_pll_config(pll);
 	config_vtp();
-	config_cmd_ctrl(cmd_ctrl_data);
+	config_cmd_ctrl(ctrl);
 
-	config_ddr_data(0, ddr_data);
-	config_ddr_data(1, ddr_data);
+	config_ddr_data(0, data);
+	config_ddr_data(1, data);
 
-	config_io_ctrl(ioctrl_val);
+	config_io_ctrl(ioctrl);
 
 	/* Set CKE to be controlled by EMIF/DDR PHY */
 	writel(DDR_CKE_CTRL_NORMAL, &ddrctrl->ddrckectrl);
 
 	/* Program EMIF instance */
-	config_ddr_phy(emif_regs);
-	set_sdram_timings(emif_regs);
-	config_sdram(emif_regs);
+	config_ddr_phy(regs);
+	set_sdram_timings(regs);
+	config_sdram(regs);
 }
 #endif
diff --git a/arch/arm/cpu/armv7/am33xx/mux.c b/arch/arm/cpu/armv7/am33xx/mux.c
new file mode 100644
index 0000000..2ded472
--- /dev/null
+++ b/arch/arm/cpu/armv7/am33xx/mux.c
@@ -0,0 +1,33 @@
+/*
+ * mux.c
+ *
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+
+/*
+ * Configure the pin mux for the module
+ */
+void configure_module_pin_mux(struct module_pin_mux *mod_pin_mux)
+{
+	int i;
+
+	if (!mod_pin_mux)
+		return;
+
+	for (i = 0; mod_pin_mux[i].reg_offset != -1; i++)
+		MUX_CFG(mod_pin_mux[i].val, mod_pin_mux[i].reg_offset);
+}