Merge branch 'master' of /home/stefan/git/u-boot/u-boot

1 files changed, 472 insertions, 0 deletions

diff --git a/board/apollon/apollon.c b/board/apollon/apollon.c
new file mode 100644
index 0000000..064d143
--- /dev/null
+++ b/board/apollon/apollon.c
@@ -0,0 +1,472 @@
+/*
+ * (C) Copyright 2005-2007
+ * Samsung Electronics.
+ * Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * Derived from omap2420
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/arch/omap2420.h>
+#include <asm/io.h>
+#include <asm/arch/bits.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/sys_info.h>
+#include <asm/arch/mem.h>
+#include <asm/mach-types.h>
+
+void wait_for_command_complete(unsigned int wd_base);
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define write_config_reg(reg, value)					\
+do {									\
+	writeb(value, reg);						\
+} while (0)
+
+#define mask_config_reg(reg, mask)					\
+do {									\
+	char value = readb(reg) & ~(mask);				\
+	writeb(value, reg);						\
+} while (0)
+
+/*******************************************************
+ * Routine: delay
+ * Description: spinning delay to use before udelay works
+ ******************************************************/
+static inline void delay(unsigned long loops)
+{
+	__asm__("1:\n" "subs %0, %1, #1\n"
+		  "bne 1b":"=r" (loops):"0"(loops));
+}
+
+/*****************************************
+ * Routine: board_init
+ * Description: Early hardware init.
+ *****************************************/
+int board_init(void)
+{
+	gpmc_init();		/* in SRAM or SDRM, finish GPMC */
+
+	gd->bd->bi_arch_number = 919;
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = (OMAP2420_SDRC_CS0 + 0x100);
+
+	return 0;
+}
+
+/**********************************************************
+ * Routine: s_init
+ * Description: Does early system init of muxing and clocks.
+ * - Called path is with sram stack.
+ **********************************************************/
+void s_init(void)
+{
+	watchdog_init();
+	set_muxconf_regs();
+	delay(100);
+
+	peripheral_enable();
+	icache_enable();
+}
+
+/*******************************************************
+ * Routine: misc_init_r
+ * Description: Init ethernet (done here so udelay works)
+ ********************************************************/
+int misc_init_r(void)
+{
+	ether_init();		/* better done here so timers are init'ed */
+	return (0);
+}
+
+/****************************************
+ * Routine: watchdog_init
+ * Description: Shut down watch dogs
+ *****************************************/
+void watchdog_init(void)
+{
+	/* There are 4 watch dogs.  1 secure, and 3 general purpose.
+	 * The ROM takes care of the secure one. Of the 3 GP ones,
+	 * 1 can reset us directly, the other 2 only generate MPU interrupts.
+	 */
+	__raw_writel(WD_UNLOCK1, WD2_BASE + WSPR);
+	wait_for_command_complete(WD2_BASE);
+	__raw_writel(WD_UNLOCK2, WD2_BASE + WSPR);
+
+#define MPU_WD_CLOCKED 1
+#if MPU_WD_CLOCKED
+	/* value 0x10 stick on aptix, BIT4 polarity seems oppsite */
+	__raw_writel(WD_UNLOCK1, WD3_BASE + WSPR);
+	wait_for_command_complete(WD3_BASE);
+	__raw_writel(WD_UNLOCK2, WD3_BASE + WSPR);
+
+	__raw_writel(WD_UNLOCK1, WD4_BASE + WSPR);
+	wait_for_command_complete(WD4_BASE);
+	__raw_writel(WD_UNLOCK2, WD4_BASE + WSPR);
+#endif
+}
+
+/******************************************************
+ * Routine: wait_for_command_complete
+ * Description: Wait for posting to finish on watchdog
+ ******************************************************/
+void wait_for_command_complete(unsigned int wd_base)
+{
+	int pending = 1;
+	do {
+		pending = __raw_readl(wd_base + WWPS);
+	} while (pending);
+}
+
+/*******************************************************************
+ * Routine:ether_init
+ * Description: take the Ethernet controller out of reset and wait
+ *  		   for the EEPROM load to complete.
+ ******************************************************************/
+void ether_init(void)
+{
+#ifdef CONFIG_DRIVER_LAN91C96
+	int cnt = 20;
+
+	__raw_writeb(0x03, OMAP2420_CTRL_BASE + 0x0f2);	/*protect->gpio74 */
+
+	__raw_writew(0x0, LAN_RESET_REGISTER);
+	do {
+		__raw_writew(0x1, LAN_RESET_REGISTER);
+		udelay(100);
+		if (cnt == 0) {
+			printf("1. eth reset err\n");
+			goto eth_reset_err_out;
+		}
+		--cnt;
+	} while (__raw_readw(LAN_RESET_REGISTER) != 0x1);
+
+	cnt = 20;
+
+	do {
+		__raw_writew(0x0, LAN_RESET_REGISTER);
+		udelay(100);
+		if (cnt == 0) {
+			printf("2. eth reset err\n");
+			goto eth_reset_err_out;
+		}
+		--cnt;
+	} while (__raw_readw(LAN_RESET_REGISTER) != 0x0000);
+	udelay(1000);
+
+	mask_config_reg(ETH_CONTROL_REG, 0x01);
+	udelay(1000);
+
+eth_reset_err_out:
+	return;
+#endif
+}
+
+/**********************************************
+ * Routine: dram_init
+ * Description: sets uboots idea of sdram size
+ **********************************************/
+int dram_init(void)
+{
+	unsigned int size0 = 0, size1 = 0;
+	u32 mtype, btype, rev = 0, cpu = 0;
+#define NOT_EARLY 0
+
+	btype = get_board_type();
+	mtype = get_mem_type();
+	rev = get_cpu_rev();
+	cpu = get_cpu_type();
+
+	display_board_info(btype);
+
+	if ((mtype == DDR_COMBO) || (mtype == DDR_STACKED)) {
+		/* init other chip select */
+		do_sdrc_init(SDRC_CS1_OSET, NOT_EARLY);
+	}
+
+	size0 = get_sdr_cs_size(SDRC_CS0_OSET);
+	size1 = get_sdr_cs_size(SDRC_CS1_OSET);
+
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = size0;
+#if CONFIG_NR_DRAM_BANKS > 1
+	gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + size0;
+	gd->bd->bi_dram[1].size = size1;
+#endif
+
+	return 0;
+}
+
+/**********************************************************
+ * Routine: set_muxconf_regs
+ * Description: Setting up the configuration Mux registers
+ *              specific to the hardware
+ *********************************************************/
+void set_muxconf_regs(void)
+{
+	muxSetupSDRC();
+	muxSetupGPMC();
+	muxSetupUsb0();		/* USB Device */
+	muxSetupUsbHost();	/* USB Host */
+	muxSetupUART1();
+	muxSetupLCD();
+	muxSetupMMCSD();
+	muxSetupTouchScreen();
+}
+
+/*****************************************************************
+ * Routine: peripheral_enable
+ * Description: Enable the clks & power for perifs (GPT2, UART1,...)
+ ******************************************************************/
+void peripheral_enable(void)
+{
+	unsigned int v, if_clks = 0, func_clks = 0;
+
+	/* Enable GP2 timer. */
+	if_clks |= BIT4 | BIT3;
+	func_clks |= BIT4 | BIT3;
+	/* Sys_clk input OMAP2420_GPT2 */
+	v = __raw_readl(CM_CLKSEL2_CORE) | 0x4 | 0x2;
+	__raw_writel(v, CM_CLKSEL2_CORE);
+	__raw_writel(0x1, CM_CLKSEL_WKUP);
+
+#ifdef CFG_NS16550
+	/* Enable UART1 clock */
+	func_clks |= BIT21;
+	if_clks |= BIT21;
+#endif
+	/* Interface clocks on */
+	v = __raw_readl(CM_ICLKEN1_CORE) | if_clks;
+	__raw_writel(v, CM_ICLKEN1_CORE);
+	/* Functional Clocks on */
+	v = __raw_readl(CM_FCLKEN1_CORE) | func_clks;
+	__raw_writel(v, CM_FCLKEN1_CORE);
+	delay(1000);
+
+#ifndef KERNEL_UPDATED
+	{
+#define V1 0xffffffff
+#define V2 0x00000007
+
+		__raw_writel(V1, CM_FCLKEN1_CORE);
+		__raw_writel(V2, CM_FCLKEN2_CORE);
+		__raw_writel(V1, CM_ICLKEN1_CORE);
+		__raw_writel(V1, CM_ICLKEN2_CORE);
+	}
+#endif
+}
+
+/****************************************
+ * Routine: muxSetupUsb0   (ostboot)
+ * Description: Setup usb muxing
+ *****************************************/
+void muxSetupUsb0(void)
+{
+	mask_config_reg(CONTROL_PADCONF_USB0_PUEN, 0x1f);
+	mask_config_reg(CONTROL_PADCONF_USB0_VP, 0x1f);
+	mask_config_reg(CONTROL_PADCONF_USB0_VM, 0x1f);
+	mask_config_reg(CONTROL_PADCONF_USB0_RCV, 0x1f);
+	mask_config_reg(CONTROL_PADCONF_USB0_TXEN, 0x1f);
+	mask_config_reg(CONTROL_PADCONF_USB0_SE0, 0x1f);
+	mask_config_reg(CONTROL_PADCONF_USB0_DAT, 0x1f);
+}
+
+/****************************************
+ * Routine: muxSetupUSBHost   (ostboot)
+ * Description: Setup USB Host muxing
+ *****************************************/
+void muxSetupUsbHost(void)
+{
+	/* V19 */
+	write_config_reg(CONTROL_PADCONF_USB1_RCV, 1);
+	/* W20 */
+	write_config_reg(CONTROL_PADCONF_USB1_TXEN, 1);
+	/* N14 */
+	write_config_reg(CONTROL_PADCONF_GPIO69, 3);
+	/* P15 */
+	write_config_reg(CONTROL_PADCONF_GPIO70, 3);
+	/* L18 */
+	write_config_reg(CONTROL_PADCONF_GPIO102, 3);
+	/* L19 */
+	write_config_reg(CONTROL_PADCONF_GPIO103, 3);
+	/* K15 */
+	write_config_reg(CONTROL_PADCONF_GPIO104, 3);
+	/* K14 */
+	write_config_reg(CONTROL_PADCONF_GPIO105, 3);
+}
+
+/****************************************
+ * Routine: muxSetupUART1  (ostboot)
+ * Description: Set up uart1 muxing
+ *****************************************/
+void muxSetupUART1(void)
+{
+	/* UART1_CTS pin configuration, PIN = D21, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_UART1_CTS, 0);
+	/* UART1_RTS pin configuration, PIN = H21, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_UART1_RTS, 0);
+	/* UART1_TX pin configuration, PIN = L20, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_UART1_TX, 0);
+	/* UART1_RX pin configuration, PIN = T21, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_UART1_RX, 0);
+}
+
+/****************************************
+ * Routine: muxSetupLCD   (ostboot)
+ * Description: Setup lcd muxing
+ *****************************************/
+void muxSetupLCD(void)
+{
+	/* LCD_D0 pin configuration, PIN = Y7, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D0, 0);
+	/* LCD_D1 pin configuration, PIN = P10 , Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D1, 0);
+	/* LCD_D2 pin configuration, PIN = V8, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D2, 0);
+	/* LCD_D3 pin configuration, PIN = Y8, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D3, 0);
+	/* LCD_D4 pin configuration, PIN = W8, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D4, 0);
+	/* LCD_D5 pin configuration, PIN = R10, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D5, 0);
+	/* LCD_D6 pin configuration, PIN = Y9, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D6, 0);
+	/* LCD_D7 pin configuration, PIN = V9, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D7, 0);
+	/* LCD_D8 pin configuration, PIN = W9, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D8, 0);
+	/* LCD_D9 pin configuration, PIN = P11, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D9, 0);
+	/* LCD_D10 pin configuration, PIN = V10, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D10, 0);
+	/* LCD_D11 pin configuration, PIN = Y10, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D11, 0);
+	/* LCD_D12 pin configuration, PIN = W10, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D12, 0);
+	/* LCD_D13 pin configuration, PIN = R11, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D13, 0);
+	/* LCD_D14 pin configuration, PIN = V11, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D14, 0);
+	/* LCD_D15 pin configuration, PIN = W11, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D15, 0);
+	/* LCD_D16 pin configuration, PIN = P12, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D16, 0);
+	/* LCD_D17 pin configuration, PIN = R12, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_D17, 0);
+	/* LCD_PCLK pin configuration, PIN = W6, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_PCLK, 0);
+	/* LCD_VSYNC pin configuration, PIN = V7, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_VSYNC, 0);
+	/* LCD_HSYNC pin configuration, PIN = Y6, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_HSYNC, 0);
+	/* LCD_ACBIAS pin configuration, PIN = W7, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_DSS_ACBIAS, 0);
+}
+
+/****************************************
+ * Routine: muxSetupMMCSD (ostboot)
+ * Description: set up MMC muxing
+ *****************************************/
+void muxSetupMMCSD(void)
+{
+	/* SDMMC_CLKI pin configuration,  PIN = H15, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_MMC_CLKI, 0);
+	/* SDMMC_CLKO pin configuration,  PIN = G19, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_MMC_CLKO, 0);
+	/* SDMMC_CMD pin configuration,   PIN = H18, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_MMC_CMD, 0);
+	/* SDMMC_DAT0 pin configuration,  PIN = F20, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_MMC_DAT0, 0);
+	/* SDMMC_DAT1 pin configuration,  PIN = H14, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_MMC_DAT1, 0);
+	/* SDMMC_DAT2 pin configuration,  PIN = E19, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_MMC_DAT2, 0);
+	/* SDMMC_DAT3 pin configuration,  PIN = D19, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_MMC_DAT3, 0);
+	/* SDMMC_DDIR0 pin configuration, PIN = F19, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_MMC_DAT_DIR0, 0);
+	/* SDMMC_DDIR1 pin configuration, PIN = E20, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_MMC_DAT_DIR1, 0);
+	/* SDMMC_DDIR2 pin configuration, PIN = F18, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_MMC_DAT_DIR2, 0);
+	/* SDMMC_DDIR3 pin configuration, PIN = E18, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_MMC_DAT_DIR3, 0);
+	/* SDMMC_CDIR pin configuration,  PIN = G18, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_MMC_CMD_DIR, 0);
+}
+
+/******************************************
+ * Routine: muxSetupTouchScreen (ostboot)
+ * Description:  Set up touch screen muxing
+ *******************************************/
+void muxSetupTouchScreen(void)
+{
+	/* SPI1_CLK pin configuration,  PIN = U18, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_SPI1_CLK, 0);
+	/* SPI1_MOSI pin configuration, PIN = V20, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_SPI1_SIMO, 0);
+	/* SPI1_MISO pin configuration, PIN = T18, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_SPI1_SOMI, 0);
+	/* SPI1_nCS0 pin configuration, PIN = U19, Mode = 0, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_SPI1_NCS0, 0);
+#define CONTROL_PADCONF_GPIO85	CONTROL_PADCONF_SPI1_NCS1
+	/* PEN_IRQ pin configuration,   PIN = N15, Mode = 3, PUPD=Disabled */
+	write_config_reg(CONTROL_PADCONF_GPIO85, 3);
+}
+
+/***************************************************************
+ * Routine: muxSetupGPMC (ostboot)
+ * Description: Configures balls which cam up in protected mode
+ ***************************************************************/
+void muxSetupGPMC(void)
+{
+	/* gpmc_io_dir, MCR */
+	writel(0x4800008C, 0x19000000);
+
+	/* NOR FLASH CS0 */
+	/* signal - Gpmc_clk; pin - J4; offset - 0x0088; mode 0; Byte-3 */
+	write_config_reg(CONTROL_PADCONF_GPMC_D2_BYTE3, 0);
+	/* MPDB(Multi Port Debug Port) CS1 */
+	/* signal - gpmc_ncs1; pin - N8; offset - 0x008D; mode 0; Byte-1 */
+	write_config_reg(CONTROL_PADCONF_GPMC_NCS0_BYTE1, 0);
+	/* signal - Gpmc_ncs2; pin - E2; offset - 0x008E; mode 0; Byte-2 */
+	write_config_reg(CONTROL_PADCONF_GPMC_NCS0_BYTE2, 0);
+	/* signal - Gpmc_ncs3; pin - N2; offset - 0x008F; mode 0; Byte-3 */
+	write_config_reg(CONTROL_PADCONF_GPMC_NCS0_BYTE3, 0);
+	/* signal - Gpmc_ncs4; pin - ??; offset - 0x0090; mode 0; Byte-4 */
+	write_config_reg(CONTROL_PADCONF_GPMC_NCS0_BYTE4, 0);
+	/* signal - Gpmc_ncs5; pin - ??; offset - 0x0091; mode 0; Byte-5 */
+	write_config_reg(CONTROL_PADCONF_GPMC_NCS0_BYTE5, 0);
+	/* signal - Gpmc_ncs6; pin - ??; offset - 0x0092; mode 0; Byte-6 */
+	write_config_reg(CONTROL_PADCONF_GPMC_NCS0_BYTE6, 0);
+	/* signal - Gpmc_ncs7; pin - ??; offset - 0x0093; mode 0; Byte-7 */
+	write_config_reg(CONTROL_PADCONF_GPMC_NCS0_BYTE7, 0);
+}
+
+/****************************************************************
+ * Routine: muxSetupSDRC  (ostboot)
+ * Description: Configures balls which come up in protected mode
+ ****************************************************************/
+void muxSetupSDRC(void)
+{
+	/* It's set by IPL */
+}