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Diffstat (limited to 'board/apollon/apollon.c')
| -rw-r--r-- | board/apollon/apollon.c | 470 |
1 files changed, 0 insertions, 470 deletions
diff --git a/board/apollon/apollon.c b/board/apollon/apollon.c deleted file mode 100644 index 76626f0..0000000 --- a/board/apollon/apollon.c +++ /dev/null @@ -1,470 +0,0 @@ -/* - * (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 <netdev.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) -{ - 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:board_eth_init - * Description: take the Ethernet controller out of reset and wait - * for the EEPROM load to complete. - ******************************************************************/ -int board_eth_init(bd_t *bis) -{ - int rc = 0; -#ifdef CONFIG_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) - 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) - goto eth_reset_err_out; - --cnt; - } while (__raw_readw(LAN_RESET_REGISTER) != 0x0000); - udelay(1000); - - mask_config_reg(ETH_CONTROL_REG, 0x01); - udelay(1000); - rc = lan91c96_initialize(0, CONFIG_LAN91C96_BASE); -eth_reset_err_out: -#endif - return rc; -} - -/********************************************** - * Routine: dram_init - * Description: sets uboots idea of sdram size - **********************************************/ -int dram_init(void) -{ - unsigned int size; - u32 mtype, btype; -#define NOT_EARLY 0 - - btype = get_board_type(); - mtype = get_mem_type(); - - display_board_info(btype); - - if ((mtype == DDR_COMBO) || (mtype == DDR_STACKED)) { - /* init other chip select */ - do_sdrc_init(SDRC_CS1_OSET, NOT_EARLY); - } - - size = get_sdr_cs_size(SDRC_CS0_OSET); - - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = size; -#if CONFIG_NR_DRAM_BANKS > 1 - size = get_sdr_cs_size(SDRC_CS1_OSET); - - gd->bd->bi_dram[1].start = gd->bd->bi_dram[0].start + - gd->bd->bi_dram[0].size; - gd->bd->bi_dram[1].size = size; -#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 CONFIG_SYS_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 */ - volatile unsigned int *MCR = (unsigned int *) 0x4800008C; - *MCR = 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 */ -} |