diff options
Diffstat (limited to 'uart-monitor/board/omap3430labrador/omap3430labrador.c')
| -rw-r--r-- | uart-monitor/board/omap3430labrador/omap3430labrador.c | 875 |
1 files changed, 0 insertions, 875 deletions
diff --git a/uart-monitor/board/omap3430labrador/omap3430labrador.c b/uart-monitor/board/omap3430labrador/omap3430labrador.c deleted file mode 100644 index 1a4e243..0000000 --- a/uart-monitor/board/omap3430labrador/omap3430labrador.c +++ /dev/null @@ -1,875 +0,0 @@ -/* - * (C) Copyright 2006-2009 - * Texas Instruments, <www.ti.com> - * Jian Zhang <jzhang@ti.com> - * Richard Woodruff <r-woodruff2@ti.com> - * - * 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/cpu.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/rev.h> -#include <asm/arch/clocks.h> -#include <asm/arch/mem.h> - -/* Used to index into DPLL parameter tables */ -struct dpll_param { - unsigned int m; - unsigned int n; - unsigned int fsel; - unsigned int m2; -}; - -#ifdef CONFIG_OMAP36XX -struct dpll_per_param { - unsigned int sys_clk; - unsigned int m; - unsigned int n; - unsigned int clkin; - unsigned int sd; - unsigned int dco; - unsigned int m2; - unsigned int m3; - unsigned int m4; - unsigned int m5; - unsigned int m6; - unsigned int m2div; -}; -typedef struct dpll_per_param dpll_per_param; -#define MAX_SIL_INDEX 1 -#else -typedef struct dpll_param dpll_per_param; -#define MAX_SIL_INDEX 3 -#endif - -typedef struct dpll_param dpll_param; - -/* Following functions are exported from lowlevel_init.S */ -extern dpll_param * get_mpu_dpll_param(void); -extern dpll_param * get_core_dpll_param(void); -extern dpll_param * get_per_dpll_param(void); - -#define __raw_readl(a) (*(volatile unsigned int *)(a)) -#define __raw_writel(v,a) (*(volatile unsigned int *)(a) = (v)) -#define __raw_readw(a) (*(volatile unsigned short *)(a)) -#define __raw_writew(v,a) (*(volatile unsigned short *)(a) = (v)) - -/******************************************************* - * Routine: delay - * Description: spinning delay to use before udelay works - ******************************************************/ -static inline void delay(unsigned long loops) -{ - __asm__ volatile ("1:\n" "subs %0, %1, #1\n" - "bne 1b":"=r" (loops):"0"(loops)); -} - -/***************************************** - * Routine: board_init - * Description: Early hardware init. - *****************************************/ -int board_init (void) -{ - return 0; -} - -/************************************************************* - * get_device_type(): tell if GP/HS/EMU/TST - *************************************************************/ -u32 get_device_type(void) -{ - int mode; - mode = __raw_readl(CONTROL_STATUS) & (DEVICE_MASK); - return(mode >>= 8); -} - -/***************************************************************** - * sr32 - clear & set a value in a bit range for a 32 bit address - *****************************************************************/ -void sr32(u32 addr, u32 start_bit, u32 num_bits, u32 value) -{ - u32 tmp, msk = 0; - msk = 1 << num_bits; - --msk; - tmp = __raw_readl(addr) & ~(msk << start_bit); - tmp |= value << start_bit; - __raw_writel(tmp, addr); -} - -/********************************************************************* - * wait_on_value() - common routine to allow waiting for changes in - * volatile regs. - *********************************************************************/ -u32 wait_on_value(u32 read_bit_mask, u32 match_value, u32 read_addr, u32 bound) -{ - u32 i = 0, val; - do { - ++i; - val = __raw_readl(read_addr) & read_bit_mask; - if (val == match_value) - return (1); - if (i == bound) - return (0); - } while (1); -} - -#ifdef CFG_3430SDRAM_DDR -/********************************************************************* - * config_3430sdram_ddr() - Init DDR on 3430SDP dev board. - *********************************************************************/ -void config_3430sdram_ddr(void) -{ - /* check if its h/w or s/w reset for warm reset workaround */ - if (__raw_readl(PRM_RSTTST) & 0x2) { - /* Enable SDRC clock & wait SDRC idle status to access*/ - sr32(CM_ICLKEN1_CORE, 1, 1, 0x1); - wait_on_value(BIT1, 0, CM_IDLEST1_CORE, LDELAY); - } else { - /* do a SDRC reset between types to clear regs */ - __raw_writel(SOFTRESET, SDRC_SYSCONFIG);/* reset sdrc */ - /* wait on reset */ - wait_on_value(BIT0, BIT0, SDRC_STATUS, 12000000); - __raw_writel(0, SDRC_SYSCONFIG);/* clear soft reset */ - } - /* Clear reset sources */ - __raw_writel(0xfff, PRM_RSTTST); - - /* setup sdrc to ball mux */ - __raw_writel(SDP_SDRC_SHARING, SDRC_SHARING); - - /* Configure the first chip select */ - /* set mdcfg */ - __raw_writel(SDP_SDRC_MDCFG_0_DDR, SDRC_MCFG_0); - - /* set timing */ - __raw_writel(SDP_SDRC_ACTIM_CTRLA_0, SDRC_ACTIM_CTRLA_0); - __raw_writel(SDP_SDRC_ACTIM_CTRLB_0, SDRC_ACTIM_CTRLB_0); - __raw_writel(SDP_SDRC_RFR_CTRL, SDRC_RFR_CTRL_0); - - /* init sequence for mDDR/mSDR using manual commands (DDR is different) */ - __raw_writel(CMD_NOP, SDRC_MANUAL_0); - delay(5000); - __raw_writel(CMD_PRECHARGE, SDRC_MANUAL_0); - __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_0); - __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_0); - - /* set mr0 */ - __raw_writel(SDP_SDRC_MR_0_DDR, SDRC_MR_0); -#ifdef CONFIG_2GBDDR - __raw_writel(SDP_SDRC_MDCFG_0_DDR, SDRC_MCFG_1); - - /* set timing */ - __raw_writel(SDP_SDRC_ACTIM_CTRLA_0, SDRC_ACTIM_CTRLA_1); - __raw_writel(SDP_SDRC_ACTIM_CTRLB_0, SDRC_ACTIM_CTRLB_1); - __raw_writel(SDP_SDRC_RFR_CTRL, SDRC_RFR_CTRL_1); - - /* init sequence for mDDR/mSDR using manual commands (DDR is different) */ - __raw_writel(CMD_NOP, SDRC_MANUAL_1); - delay(5000); - __raw_writel(CMD_PRECHARGE, SDRC_MANUAL_1); - __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_1); - __raw_writel(CMD_AUTOREFRESH, SDRC_MANUAL_1); - - /* set mr0 */ - __raw_writel(SDP_SDRC_MR_0_DDR, SDRC_MR_1); - - /* Configure cs1 to be just behind cs0 - 128meg boundary */ -#if defined(CONFIG_3430ZOOM2_512M) || \ - defined(CONFIG_3630ZOOM3) || defined(CONFIG_3630SDP) - /* 2 * 128M = 256M for cs1 */ - __raw_writel(0x2, SDRC_CS_CFG); -#elif defined(CONFIG_3630SDP_1G) || defined(CONFIG_3630ZOOM3_1G) - /* 4 * 128M = 512M for cs1 */ - __raw_writel(0x4, SDRC_CS_CFG); -#else - /* 1 * 128M = 128M for cs1 */ - __raw_writel(0x1, SDRC_CS_CFG); -#endif - - /* set up dllB-CS1 */ - __raw_writel(SDP_SDRC_DLLAB_CTRL, SDRC_DLLB_CTRL); - delay(0x2000); /* give time to lock */ -#endif - - /* set up dllA-CS0 */ - __raw_writel(SDP_SDRC_DLLAB_CTRL, SDRC_DLLA_CTRL); - delay(0x2000); /* give time to lock */ - -} -#endif // CFG_3430SDRAM_DDR - -/************************************************************* - * get_sys_clk_speed - determine reference oscillator speed - * based on known 32kHz clock and gptimer. - *************************************************************/ -u32 get_osc_clk_speed(void) -{ - u32 start, cstart, cend, cdiff, val; - - val = __raw_readl(PRM_CLKSRC_CTRL); - /* If SYS_CLK is being divided by 2, remove for now */ - val = (val & (~BIT7)) | BIT6; - __raw_writel(val, PRM_CLKSRC_CTRL); - - /* enable timer2 */ - val = __raw_readl(CM_CLKSEL_WKUP) | BIT0; - __raw_writel(val, CM_CLKSEL_WKUP); /* select sys_clk for GPT1 */ - - /* Enable I and F Clocks for GPT1 */ - val = __raw_readl(CM_ICLKEN_WKUP) | BIT0 | BIT2; - __raw_writel(val, CM_ICLKEN_WKUP); - val = __raw_readl(CM_FCLKEN_WKUP) | BIT0; - __raw_writel(val, CM_FCLKEN_WKUP); - - __raw_writel(0, OMAP34XX_GPT1 + TLDR); /* start counting at 0 */ - __raw_writel(GPT_EN, OMAP34XX_GPT1 + TCLR); /* enable clock */ - /* enable 32kHz source *//* enabled out of reset */ - /* determine sys_clk via gauging */ - - start = 20 + __raw_readl(S32K_CR); /* start time in 20 cycles */ - while (__raw_readl(S32K_CR) < start); /* dead loop till start time */ - cstart = __raw_readl(OMAP34XX_GPT1 + TCRR); /* get start sys_clk count */ - while (__raw_readl(S32K_CR) < (start + 20)); /* wait for 40 cycles */ - cend = __raw_readl(OMAP34XX_GPT1 + TCRR); /* get end sys_clk count */ - cdiff = cend - cstart; /* get elapsed ticks */ - - /* based on number of ticks assign speed */ - if (cdiff > 19000) - return (S38_4M); - else if (cdiff > 15200) - return (S26M); - else if (cdiff > 13000) - return (S24M); - else if (cdiff > 9000) - return (S19_2M); - else if (cdiff > 7600) - return (S13M); - else - return (S12M); -} - -/****************************************************************************** - * get_sys_clkin_sel() - returns the sys_clkin_sel field value based on - * -- input oscillator clock frequency. - * - *****************************************************************************/ -void get_sys_clkin_sel(u32 osc_clk, u32 *sys_clkin_sel) -{ - if(osc_clk == S38_4M) - *sys_clkin_sel= 4; - else if(osc_clk == S26M) - *sys_clkin_sel = 3; - else if(osc_clk == S19_2M) - *sys_clkin_sel = 2; - else if(osc_clk == S13M) - *sys_clkin_sel = 1; - else if(osc_clk == S12M) - *sys_clkin_sel = 0; -} - -static dpll_per_param *_get_per_dpll(int clk_index) -{ - dpll_per_param *ret = (dpll_per_param *)get_per_dpll_param(); - ret += clk_index; - return ret; -} - -static dpll_param *_get_mpu_dpll(int clk_index, int sil_index) -{ - dpll_param *ret = (dpll_param *)get_mpu_dpll_param(); - ret += (MAX_SIL_INDEX * clk_index) + sil_index; - return ret; -} - -#ifdef CONFIG_OMAP36XX - -#define PER_M_BITS 12 -#define PER_M2_BITS 5 -#define PER_M3_BITS 6 -#define PER_M4_BITS 6 -#define PER_M5_BITS 6 -#define PER_M6_BITS 6 - -static void per_dpll_init_36XX(int clk_index) -{ - dpll_per_param *per; - - per = _get_per_dpll(clk_index); - - sr32(CM_CLKEN_PLL, 16, 3, PLL_STOP); - wait_on_value(BIT1, 0, CM_IDLEST_CKGEN, LDELAY); - - sr32(CM_CLKSEL2_PLL, 8, PER_M_BITS, per->m); - sr32(CM_CLKSEL2_PLL, 0, 7, per->n); - sr32(PRM_CLKSRC_CTRL, 8, 1, per->clkin); - sr32(CM_CLKSEL2_PLL, 24, 7, per->sd); - sr32(CM_CLKSEL2_PLL, 21, 3, per->dco); - sr32(CM_CLKSEL3_PLL, 0, PER_M2_BITS, per->m2); - sr32(CM_CLKSEL_DSS, 8, PER_M3_BITS, per->m3); - sr32(CM_CLKSEL_DSS, 0, PER_M4_BITS, per->m4); - sr32(CM_CLKSEL_CAM, 0, PER_M5_BITS, per->m5); - sr32(CM_CLKSEL1_EMU, 24, PER_M6_BITS, per->m6); - sr32(CM_CLKSEL_CORE, 12, 2, per->m2div); - - sr32(CM_CLKEN_PLL, 16, 3, PLL_LOCK); /* lock mode */ - wait_on_value(BIT1, 2, CM_IDLEST_CKGEN, LDELAY); -} - -static void mpu_dpll_init_36XX(int clk_index, int sil_index) -{ - dpll_param *mpu; - - mpu = _get_mpu_dpll(clk_index, sil_index); - - /* MPU DPLL (unlocked already) */ - sr32(CM_CLKSEL1_PLL_MPU, 8, 11, mpu->m); - sr32(CM_CLKSEL1_PLL_MPU, 0, 7, mpu->n); - sr32(CM_CLKSEL2_PLL_MPU, 0, 5, mpu->m2); - - sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOCK); /* lock mode */ - wait_on_value(BIT0, 1, CM_IDLEST_PLL_MPU, LDELAY); -} - -#else /* 34xx */ - -#define PER_M_BITS 11 -#define PER_M2_BITS 5 -#define PER_M3_BITS 5 -#define PER_M4_BITS 5 -#define PER_M5_BITS 5 -#define PER_M6_BITS 5 - -static void per_dpll_init_34XX(int clk_index) -{ - dpll_per_param *dpll_param_p; - - /* Getting the base address to PER DPLL param table*/ - dpll_param_p = (dpll_param *)get_per_dpll_param(); - /* Moving it to the right sysclk base */ - dpll_param_p = dpll_param_p + clk_index; - /* PER DPLL */ - sr32(CM_CLKEN_PLL, 16, 3, PLL_STOP); - wait_on_value(BIT1, 0, CM_IDLEST_CKGEN, LDELAY); - sr32(CM_CLKSEL1_EMU, 24, 5, PER_M6X2); /* set M6 */ - sr32(CM_CLKSEL_CAM, 0, 5, PER_M5X2); /* set M5 */ - sr32(CM_CLKSEL_DSS, 0, 5, PER_M4X2); /* set M4 */ - sr32(CM_CLKSEL_DSS, 8, 5, PER_M3X2); /* set M3 */ - sr32(CM_CLKSEL3_PLL, 0, 5, dpll_param_p->m2); /* set M2 */ - sr32(CM_CLKSEL2_PLL, 8, 11, dpll_param_p->m); /* set m */ - sr32(CM_CLKSEL2_PLL, 0, 7, dpll_param_p->n); /* set n */ - sr32(CM_CLKEN_PLL, 20, 4, dpll_param_p->fsel);/* FREQSEL */ - sr32(CM_CLKEN_PLL, 16, 3, PLL_LOCK); /* lock mode */ - wait_on_value(BIT1, 2, CM_IDLEST_CKGEN, LDELAY); -} - -static void mpu_dpll_init_34XX(int clk_index, int sil_index) -{ - dpll_param *dpll_param_p; - - /* Getting the base address to MPU DPLL param table*/ - dpll_param_p = (dpll_param *)get_mpu_dpll_param(); - /* Moving it to the right sysclk and ES rev base */ - dpll_param_p = dpll_param_p + MAX_SIL_INDEX*clk_index + sil_index; - /* MPU DPLL (unlocked already) */ - sr32(CM_CLKSEL2_PLL_MPU, 0, 5, dpll_param_p->m2); /* Set M2 */ - sr32(CM_CLKSEL1_PLL_MPU, 8, 11, dpll_param_p->m); /* Set M */ - sr32(CM_CLKSEL1_PLL_MPU, 0, 7, dpll_param_p->n); /* Set N */ - sr32(CM_CLKEN_PLL_MPU, 4, 4, dpll_param_p->fsel); /* FREQSEL */ - sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOCK); /* lock mode */ - wait_on_value(BIT0, 1, CM_IDLEST_PLL_MPU, LDELAY); -} - -#endif - -/****************************************************************************** - * prcm_init() - inits clocks for PRCM as defined in clocks.h - * -- called from SRAM, or Flash (using temp SRAM stack). - *****************************************************************************/ -void prcm_init(void) -{ - u32 osc_clk=0, sys_clkin_sel; - dpll_param *dpll_param_p; - u32 clk_index, sil_index; - - /* Gauge the input clock speed and find out the sys_clkin_sel - * value corresponding to the input clock. - */ - osc_clk = get_osc_clk_speed(); - get_sys_clkin_sel(osc_clk, &sys_clkin_sel); - - sr32(PRM_CLKSEL, 0, 3, sys_clkin_sel); /* set input crystal speed */ - -/* Using 26MHz divider straight into OMAP saves ~2ms on OFF mode restore */ -#if 0 - /* If the input clock is greater than 19.2M always divide/2 */ - if(sys_clkin_sel > 2) { - sr32(PRM_CLKSRC_CTRL, 6, 2, 2);/* input clock divider */ - clk_index = sys_clkin_sel/2; - } else -#endif - { - sr32(PRM_CLKSRC_CTRL, 6, 2, 1);/* input clock divider */ - clk_index = sys_clkin_sel; - } - - sr32(PRM_CLKSRC_CTRL, 0, 2, 0);/* Bypass mode: T2 inputs a square clock */ - - /* The DPLL tables are defined according to sysclk value and - * silicon revision. The clk_index value will be used to get - * the values for that input sysclk from the DPLL param table - * and sil_index will get the values for that SysClk for the - * appropriate silicon rev. - */ -#ifdef CONFIG_OMAP36XX - sil_index = 0; -#else - if(cpu_is_3410()) - sil_index = 2; - else { - if(get_cpu_rev() == CPU_3XX_ES10) - sil_index = 0; - else if(get_cpu_rev() >= CPU_3XX_ES20) - sil_index = 1; - } -#endif - - /* Unlock MPU DPLL (slows things down, and needed later) */ - sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOW_POWER_BYPASS); - wait_on_value(BIT0, 0, CM_IDLEST_PLL_MPU, LDELAY); - - /* Getting the base address of Core DPLL param table*/ - dpll_param_p = (dpll_param *)get_core_dpll_param(); - /* Moving it to the right sysclk and ES rev base */ - dpll_param_p = dpll_param_p + MAX_SIL_INDEX*clk_index + sil_index; - /* CORE DPLL */ - /* sr32(CM_CLKSEL2_EMU) set override to work when asleep */ - sr32(CM_CLKEN_PLL, 0, 3, PLL_FAST_RELOCK_BYPASS); - wait_on_value(BIT0, 0, CM_IDLEST_CKGEN, LDELAY); - /* For 3430 ES1.0 Errata 1.50, default value directly doesnt - work. write another value and then default value. */ - sr32(CM_CLKSEL1_EMU, 16, 5, CORE_M3X2 + 1); /* m3x2 */ - sr32(CM_CLKSEL1_EMU, 16, 5, CORE_M3X2); /* m3x2 */ - sr32(CM_CLKSEL1_PLL, 27, 2, dpll_param_p->m2); /* Set M2 */ - sr32(CM_CLKSEL1_PLL, 16, 11, dpll_param_p->m); /* Set M */ - sr32(CM_CLKSEL1_PLL, 8, 7, dpll_param_p->n); /* Set N */ - sr32(CM_CLKSEL1_PLL, 6, 1, 0); /* 96M Src */ - sr32(CM_CLKSEL_CORE, 8, 4, CORE_SSI_DIV); /* ssi */ - sr32(CM_CLKSEL_CORE, 4, 2, CORE_FUSB_DIV); /* fsusb ES1 only */ - sr32(CM_CLKSEL_CORE, 2, 2, CORE_L4_DIV); /* l4 */ - sr32(CM_CLKSEL_CORE, 0, 2, CORE_L3_DIV); /* l3 */ - sr32(CM_CLKSEL_GFX, 0, 3, GFX_DIV); /* gfx */ - sr32(CM_CLKSEL_WKUP, 1, 2, WKUP_RSM); /* reset mgr */ - sr32(CM_CLKEN_PLL, 4, 4, dpll_param_p->fsel); /* FREQSEL */ - sr32(CM_CLKEN_PLL, 0, 3, PLL_LOCK); /* lock mode */ - wait_on_value(BIT0, 1, CM_IDLEST_CKGEN, LDELAY); - - /* PER DPLL */ -#ifdef CONFIG_OMAP36XX - per_dpll_init_36XX(clk_index); - mpu_dpll_init_36XX(clk_index, sil_index); -#else - per_dpll_init_34XX(clk_index); - mpu_dpll_init_34XX(clk_index, sil_index); -#endif - - /* Set up GPTimers to sys_clk source only */ - sr32(CM_CLKSEL_PER, 0, 8, 0xff); - sr32(CM_CLKSEL_WKUP, 0, 1, 1); - - delay(5000); -} - -/***************************************** - * Routine: secure_unlock - * Description: Setup security registers for access - * (GP Device only) - *****************************************/ -void secure_unlock(void) -{ - /* Permission values for registers -Full fledged permissions to all */ - #define UNLOCK_1 0xFFFFFFFF - #define UNLOCK_2 0x00000000 - #define UNLOCK_3 0x0000FFFF - /* Protection Module Register Target APE (PM_RT)*/ - __raw_writel(UNLOCK_1, RT_REQ_INFO_PERMISSION_1); - __raw_writel(UNLOCK_1, RT_READ_PERMISSION_0); - __raw_writel(UNLOCK_1, RT_WRITE_PERMISSION_0); - __raw_writel(UNLOCK_2, RT_ADDR_MATCH_1); - - __raw_writel(UNLOCK_3, GPMC_REQ_INFO_PERMISSION_0); - __raw_writel(UNLOCK_3, GPMC_READ_PERMISSION_0); - __raw_writel(UNLOCK_3, GPMC_WRITE_PERMISSION_0); - - __raw_writel(UNLOCK_3, OCM_REQ_INFO_PERMISSION_0); - __raw_writel(UNLOCK_3, OCM_READ_PERMISSION_0); - __raw_writel(UNLOCK_3, OCM_WRITE_PERMISSION_0); - __raw_writel(UNLOCK_2, OCM_ADDR_MATCH_2); - - __raw_writel(UNLOCK_1, SMS_RG_ATT0); /* SDRC region 0 public */ -} - -/********************************************************** - * Routine: try_unlock_sram() - * Description: If chip is GP type, unlock the SRAM for - * general use. - ***********************************************************/ -void try_unlock_memory(void) -{ - int mode; - - /* if GP device unlock device SRAM for general use */ - /* secure code breaks for Secure/Emulation device - HS/E/T*/ - mode = get_device_type(); - if (mode == GP_DEVICE) { - secure_unlock(); - } - return; -} - -/********************************************************** - * Routine: s_init - * Description: Does early system init of muxing and clocks. - * - Called at time when only stack is available. - **********************************************************/ - -void s_init(void) -{ - watchdog_init(); -#ifdef CONFIG_3430_AS_3410 - /* setup the scalability control register for - * 3430 to work in 3410 mode - */ - __raw_writel(0x5ABF,CONTROL_SCALABLE_OMAP_OCP); -#endif - try_unlock_memory(); - set_muxconf_regs(); - delay(100); - prcm_init(); - per_clocks_enable(); - config_3430sdram_ddr(); -} - -/******************************************************* - * Routine: misc_init_r - * Description: Init ethernet (done here so udelay works) - ********************************************************/ -int misc_init_r (void) -{ - return(0); -} - -/****************************************************** - * 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: watchdog_init - * Description: Shut down watch dogs - *****************************************/ -void watchdog_init(void) -{ - /* There are 3 watch dogs WD1=Secure, WD2=MPU, WD3=IVA. WD1 is - * either taken care of by ROM (HS/EMU) or not accessible (GP). - * We need to take care of WD2-MPU or take a PRCM reset. WD3 - * should not be running and does not generate a PRCM reset. - */ - sr32(CM_FCLKEN_WKUP, 5, 1, 1); - sr32(CM_ICLKEN_WKUP, 5, 1, 1); - wait_on_value(BIT5, 0x20, CM_IDLEST_WKUP, 5); /* some issue here */ - - __raw_writel(WD_UNLOCK1, WD2_BASE + WSPR); - wait_for_command_complete(WD2_BASE); - __raw_writel(WD_UNLOCK2, WD2_BASE + WSPR); -} - -/********************************************** - * Routine: dram_init - * Description: sets uboots idea of sdram size - **********************************************/ -int dram_init (void) -{ - return 0; -} - -/***************************************************************** - * Routine: peripheral_enable - * Description: Enable the clks & power for perifs (GPT2, UART1,...) - ******************************************************************/ -void per_clocks_enable(void) -{ - /* Enable GP2 timer. */ - sr32(CM_CLKSEL_PER, 0, 1, 0x1); /* GPT2 = sys clk */ - sr32(CM_ICLKEN_PER, 3, 1, 0x1); /* ICKen GPT2 */ - sr32(CM_FCLKEN_PER, 3, 1, 0x1); /* FCKen GPT2 */ - -#ifdef CFG_NS16550 -////#ifdef CONFIG_SERIAL3 - sr32(CM_FCLKEN_PER, 11, 1, 0x1); - sr32(CM_ICLKEN_PER, 11, 1, 0x1); -////#else - /* Enable UART1 clocks */ - sr32(CM_FCLKEN1_CORE, 13, 1, 0x1); - sr32(CM_ICLKEN1_CORE, 13, 5, 0x1); -////#endif -#endif - // hns: enable clock for GPIO2-6 http://e2e.ti.com/support/dsp/omap_applications_processors/f/447/p/65520/236545.aspx - sr32(CM_FCLKEN_PER, 13, 5, 0x1f); - sr32(CM_ICLKEN_PER, 13, 5, 0x1f); - // hns: and GPIO1 - sr32(CM_FCLKEN_WKUP, 3, 1, 0x1); - sr32(CM_ICLKEN_WKUP, 3, 1, 0x1); - delay(1000); -} - -/* Set MUX for UART, GPMC, SDRC, GPIO */ - -#define MUX_VAL(OFFSET,VALUE)\ - __raw_writew((VALUE), OMAP34XX_CTRL_BASE + (OFFSET)); - -#define CP(x) (CONTROL_PADCONF_##x) -/* - * IEN - Input Enable - * IDIS - Input Disable - * PTD - Pull type Down - * PTU - Pull type Up - * DIS - Pull type selection is inactive - * EN - Pull type selection is active - * M0 - Mode 0 - * The commented string gives the final mux configuration for that pin - */ -#define MUX_DEFAULT()\ - /*SDRC*/\ - MUX_VAL(CP(SDRC_D0), (IEN | PTD | DIS | M0)) /*SDRC_D0*/\ - MUX_VAL(CP(SDRC_D1), (IEN | PTD | DIS | M0)) /*SDRC_D1*/\ - MUX_VAL(CP(SDRC_D2), (IEN | PTD | DIS | M0)) /*SDRC_D2*/\ - MUX_VAL(CP(SDRC_D3), (IEN | PTD | DIS | M0)) /*SDRC_D3*/\ - MUX_VAL(CP(SDRC_D4), (IEN | PTD | DIS | M0)) /*SDRC_D4*/\ - MUX_VAL(CP(SDRC_D5), (IEN | PTD | DIS | M0)) /*SDRC_D5*/\ - MUX_VAL(CP(SDRC_D6), (IEN | PTD | DIS | M0)) /*SDRC_D6*/\ - MUX_VAL(CP(SDRC_D7), (IEN | PTD | DIS | M0)) /*SDRC_D7*/\ - MUX_VAL(CP(SDRC_D8), (IEN | PTD | DIS | M0)) /*SDRC_D8*/\ - MUX_VAL(CP(SDRC_D9), (IEN | PTD | DIS | M0)) /*SDRC_D9*/\ - MUX_VAL(CP(SDRC_D10), (IEN | PTD | DIS | M0)) /*SDRC_D10*/\ - MUX_VAL(CP(SDRC_D11), (IEN | PTD | DIS | M0)) /*SDRC_D11*/\ - MUX_VAL(CP(SDRC_D12), (IEN | PTD | DIS | M0)) /*SDRC_D12*/\ - MUX_VAL(CP(SDRC_D13), (IEN | PTD | DIS | M0)) /*SDRC_D13*/\ - MUX_VAL(CP(SDRC_D14), (IEN | PTD | DIS | M0)) /*SDRC_D14*/\ - MUX_VAL(CP(SDRC_D15), (IEN | PTD | DIS | M0)) /*SDRC_D15*/\ - MUX_VAL(CP(SDRC_D16), (IEN | PTD | DIS | M0)) /*SDRC_D16*/\ - MUX_VAL(CP(SDRC_D17), (IEN | PTD | DIS | M0)) /*SDRC_D17*/\ - MUX_VAL(CP(SDRC_D18), (IEN | PTD | DIS | M0)) /*SDRC_D18*/\ - MUX_VAL(CP(SDRC_D19), (IEN | PTD | DIS | M0)) /*SDRC_D19*/\ - MUX_VAL(CP(SDRC_D20), (IEN | PTD | DIS | M0)) /*SDRC_D20*/\ - MUX_VAL(CP(SDRC_D21), (IEN | PTD | DIS | M0)) /*SDRC_D21*/\ - MUX_VAL(CP(SDRC_D22), (IEN | PTD | DIS | M0)) /*SDRC_D22*/\ - MUX_VAL(CP(SDRC_D23), (IEN | PTD | DIS | M0)) /*SDRC_D23*/\ - MUX_VAL(CP(SDRC_D24), (IEN | PTD | DIS | M0)) /*SDRC_D24*/\ - MUX_VAL(CP(SDRC_D25), (IEN | PTD | DIS | M0)) /*SDRC_D25*/\ - MUX_VAL(CP(SDRC_D26), (IEN | PTD | DIS | M0)) /*SDRC_D26*/\ - MUX_VAL(CP(SDRC_D27), (IEN | PTD | DIS | M0)) /*SDRC_D27*/\ - MUX_VAL(CP(SDRC_D28), (IEN | PTD | DIS | M0)) /*SDRC_D28*/\ - MUX_VAL(CP(SDRC_D29), (IEN | PTD | DIS | M0)) /*SDRC_D29*/\ - MUX_VAL(CP(SDRC_D30), (IEN | PTD | DIS | M0)) /*SDRC_D30*/\ - MUX_VAL(CP(SDRC_D31), (IEN | PTD | DIS | M0)) /*SDRC_D31*/\ - MUX_VAL(CP(SDRC_CLK), (IEN | PTD | DIS | M0)) /*SDRC_CLK*/\ - MUX_VAL(CP(SDRC_DQS0), (IEN | PTD | DIS | M0)) /*SDRC_DQS0*/\ - MUX_VAL(CP(SDRC_DQS1), (IEN | PTD | DIS | M0)) /*SDRC_DQS1*/\ - MUX_VAL(CP(SDRC_DQS2), (IEN | PTD | DIS | M0)) /*SDRC_DQS2*/\ - MUX_VAL(CP(SDRC_DQS3), (IEN | PTD | DIS | M0)) /*SDRC_DQS3*/\ - /*GPMC*/\ - MUX_VAL(CP(GPMC_A1), (IDIS | PTD | DIS | M0)) /*GPMC_A1*/\ - MUX_VAL(CP(GPMC_A2), (IDIS | PTD | DIS | M0)) /*GPMC_A2*/\ - MUX_VAL(CP(GPMC_A3), (IDIS | PTD | DIS | M0)) /*GPMC_A3*/\ - MUX_VAL(CP(GPMC_A4), (IDIS | PTD | DIS | M0)) /*GPMC_A4*/\ - MUX_VAL(CP(GPMC_A5), (IDIS | PTD | DIS | M0)) /*GPMC_A5*/\ - MUX_VAL(CP(GPMC_A6), (IDIS | PTD | DIS | M0)) /*GPMC_A6*/\ - MUX_VAL(CP(GPMC_A7), (IDIS | PTD | DIS | M0)) /*GPMC_A7*/\ - MUX_VAL(CP(GPMC_A8), (IDIS | PTD | DIS | M0)) /*GPMC_A8*/\ - MUX_VAL(CP(GPMC_A9), (IDIS | PTD | DIS | M0)) /*GPMC_A9*/\ - MUX_VAL(CP(GPMC_A10), (IDIS | PTD | DIS | M0)) /*GPMC_A10*/\ - MUX_VAL(CP(GPMC_D0), (IEN | PTD | DIS | M0)) /*GPMC_D0*/\ - MUX_VAL(CP(GPMC_D1), (IEN | PTD | DIS | M0)) /*GPMC_D1*/\ - MUX_VAL(CP(GPMC_D2), (IEN | PTD | DIS | M0)) /*GPMC_D2*/\ - MUX_VAL(CP(GPMC_D3), (IEN | PTD | DIS | M0)) /*GPMC_D3*/\ - MUX_VAL(CP(GPMC_D4), (IEN | PTD | DIS | M0)) /*GPMC_D4*/\ - MUX_VAL(CP(GPMC_D5), (IEN | PTD | DIS | M0)) /*GPMC_D5*/\ - MUX_VAL(CP(GPMC_D6), (IEN | PTD | DIS | M0)) /*GPMC_D6*/\ - MUX_VAL(CP(GPMC_D7), (IEN | PTD | DIS | M0)) /*GPMC_D7*/\ - MUX_VAL(CP(GPMC_D8), (IEN | PTD | DIS | M0)) /*GPMC_D8*/\ - MUX_VAL(CP(GPMC_D9), (IEN | PTD | DIS | M0)) /*GPMC_D9*/\ - MUX_VAL(CP(GPMC_D10), (IEN | PTD | DIS | M0)) /*GPMC_D10*/\ - MUX_VAL(CP(GPMC_D11), (IEN | PTD | DIS | M0)) /*GPMC_D11*/\ - MUX_VAL(CP(GPMC_D12), (IEN | PTD | DIS | M0)) /*GPMC_D12*/\ - MUX_VAL(CP(GPMC_D13), (IEN | PTD | DIS | M0)) /*GPMC_D13*/\ - MUX_VAL(CP(GPMC_D14), (IEN | PTD | DIS | M0)) /*GPMC_D14*/\ - MUX_VAL(CP(GPMC_D15), (IEN | PTD | DIS | M0)) /*GPMC_D15*/\ - MUX_VAL(CP(GPMC_nCS0), (IDIS | PTU | EN | M0)) /*GPMC_nCS0*/\ - MUX_VAL(CP(GPMC_nCS1), (IDIS | PTU | EN | M0)) /*GPMC_nCS1*/\ - MUX_VAL(CP(GPMC_nCS2), (IDIS | PTU | EN | M0)) /*GPMC_nCS2*/\ - MUX_VAL(CP(GPMC_nCS3), (IDIS | PTU | EN | M0)) /*GPMC_nCS3*/\ - MUX_VAL(CP(GPMC_nCS4), (IDIS | PTU | EN | M0)) /*GPMC_nCS4 lab*/\ - MUX_VAL(CP(GPMC_nCS5), (IDIS | PTD | DIS | M0)) /*GPMC_nCS5 lab*/\ -MUX_VAL(CP(GPMC_nCS6), (IEN | PTD | EN | M4)) /*GPT_PWM11/GPIO57*/\ - MUX_VAL(CP(GPMC_nCS7), (IEN | PTU | EN | M1)) /*GPMC_IO_DIR lab*/\ - MUX_VAL(CP(GPMC_CLK), (IDIS | PTD | DIS | M0)) /*GPMC_CLK*/\ - MUX_VAL(CP(GPMC_nADV_ALE), (IDIS | PTD | DIS | M0)) /*GPMC_nADV_ALE*/\ - MUX_VAL(CP(GPMC_nOE), (IDIS | PTD | DIS | M0)) /*GPMC_nOE*/\ - MUX_VAL(CP(GPMC_nWE), (IDIS | PTD | DIS | M0)) /*GPMC_nWE*/\ - MUX_VAL(CP(GPMC_nBE0_CLE), (IDIS | PTD | DIS | M0)) /*GPMC_nBE0_CLE*/\ - MUX_VAL(CP(GPMC_nBE1), (IEN | PTD | DIS | M0)) /*GPMC_nBE1 lab*/\ - MUX_VAL(CP(GPMC_nWP), (IEN | PTD | DIS | M0)) /*GPMC_nWP*/\ - MUX_VAL(CP(GPMC_WAIT0), (IEN | PTU | EN | M0)) /*GPMC_WAIT0*/\ - MUX_VAL(CP(GPMC_WAIT1), (IEN | PTU | EN | M0)) /*GPMC_WAIT1*/\ - MUX_VAL(CP(GPMC_WAIT2), (IEN | PTU | EN | M0)) /*gpmc_nWait lab*/\ - MUX_VAL(CP(GPMC_WAIT3), (IEN | PTU | EN | M0)) /*gpmc_nWait lab*/\ - MUX_VAL(CP(DSS_DATA18), (IDIS | PTD | DIS | M0)) /*DSS_DATA18*/\ - MUX_VAL(CP(DSS_DATA19), (IDIS | PTD | DIS | M0)) /*DSS_DATA19*/\ - MUX_VAL(CP(DSS_DATA20), (IDIS | PTD | DIS | M0)) /*DSS_DATA20*/\ - MUX_VAL(CP(CAM_XCLKB), (IDIS | PTD | DIS | M0)) /*CAM_XCLKB*/\ - MUX_VAL(CP(CAM_WEN), (IEN | PTD | DIS | M4)) /*GPIO_167*/\ - MUX_VAL(CP(UART1_TX), (IDIS | PTD | DIS | M0)) /*UART1_TX*/\ - MUX_VAL(CP(UART1_RTS), (IDIS | PTD | DIS | M0)) /*UART1_RTS*/\ - MUX_VAL(CP(UART1_CTS), (IEN | PTU | DIS | M0)) /*UART1_CTS*/\ - MUX_VAL(CP(UART1_RX), (IEN | PTD | DIS | M0)) /*UART1_RX*/\ - MUX_VAL(CP(McBSP1_DX), (IEN | PTD | DIS | M4)) /*GPIO_158*/\ - MUX_VAL(CP(SYS_32K), (IEN | PTD | DIS | M0)) /*SYS_32K*/\ - MUX_VAL(CP(SYS_BOOT0), (IEN | PTD | DIS | M4)) /*GPIO_2 */\ - MUX_VAL(CP(SYS_BOOT1), (IEN | PTD | DIS | M4)) /*GPIO_3 */\ - MUX_VAL(CP(SYS_BOOT2), (IEN | PTD | DIS | M4)) /*GPIO_4 */\ - MUX_VAL(CP(SYS_BOOT3), (IEN | PTD | DIS | M4)) /*GPIO_5 */\ - MUX_VAL(CP(SYS_BOOT4), (IEN | PTD | DIS | M4)) /*GPIO_6 */\ - MUX_VAL(CP(SYS_BOOT5), (IEN | PTD | DIS | M4)) /*GPIO_7 */\ - MUX_VAL(CP(SYS_BOOT6), (IEN | PTD | DIS | M4)) /*GPIO_8 */\ - MUX_VAL(CP(SYS_CLKOUT1), (IDIS | PTD | DIS | M0)) /*sys_clkout2 lab*/\ - MUX_VAL(CP(SYS_CLKOUT2), (IDIS | PTD | DIS | M0)) /*sys_clkout2 lab*/\ - MUX_VAL(CP(JTAG_nTRST), (IEN | PTD | DIS | M0)) /*JTAG_nTRST*/\ - MUX_VAL(CP(JTAG_TCK), (IEN | PTD | DIS | M0)) /*JTAG_TCK*/\ - MUX_VAL(CP(JTAG_TMS), (IEN | PTD | DIS | M0)) /*JTAG_TMS*/\ - MUX_VAL(CP(JTAG_TDI), (IEN | PTD | DIS | M0)) /*JTAG_TDI*/\ - MUX_VAL(CP(JTAG_EMU0), (IEN | PTD | DIS | M0)) /*JTAG_EMU0*/\ - MUX_VAL(CP(JTAG_EMU1), (IEN | PTD | DIS | M0)) /*JTAG_EMU1*/\ - MUX_VAL(CP(ETK_CLK), (IEN | PTD | DIS | M4)) /*GPIO_12*/\ -MUX_VAL(CP(ETK_CTL), (IEN | PTU | DIS | M4)) /*GPIO_13*/\ - MUX_VAL(CP(ETK_D0 ), (IEN | PTD | DIS | M4)) /*GPIO_14*/\ - MUX_VAL(CP(ETK_D1 ), (IEN | PTD | DIS | M4)) /*GPIO_15*/\ - MUX_VAL(CP(ETK_D2 ), (IEN | PTD | DIS | M4)) /*GPIO_16*/\ - MUX_VAL(CP(ETK_D10), (IEN | PTD | DIS | M4)) /*GPIO_24*/\ - MUX_VAL(CP(ETK_D11), (IEN | PTD | DIS | M4)) /*GPIO_25*/\ - MUX_VAL(CP(ETK_D12), (IEN | PTD | DIS | M4)) /*GPIO_26*/\ - MUX_VAL(CP(ETK_D13), (IEN | PTD | DIS | M4)) /*GPIO_27*/\ - MUX_VAL(CP(ETK_D14), (IEN | PTD | DIS | M4)) /*GPIO_28*/\ - MUX_VAL(CP(ETK_D15), (IEN | PTD | DIS | M4)) /*GPIO_29*/\ -MUX_VAL(CP(UART3_CTS_RCTX), (IEN | PTD | EN | M0)) /*UART3_CTS_RCTX */\ -MUX_VAL(CP(UART3_RTS_SD), (IDIS | PTD | DIS | M0)) /*UART3_RTS_SD */\ - MUX_VAL(CP(UART3_RX_IRRX ), (IEN | PTD | DIS | M0)) /*UART3_RX_IRRX*/\ - MUX_VAL(CP(UART3_TX_IRTX ), (IDIS | PTD | DIS | M0)) /*UART3_TX_IRTX*/\ - MUX_VAL(CP(sdrc_cke0), (IDIS | PTU | EN | M0)) /*sdrc_cke0 */\ - MUX_VAL(CP(sdrc_cke1), (IDIS | PTD | DIS | M7)) /*sdrc_cke1 not used*/ -/********************************************************** - * Routine: set_muxconf_regs - * Description: Setting up the configuration Mux registers - * specific to the hardware. Many pins need - * to be moved from protect to primary mode. - *********************************************************/ -void set_muxconf_regs(void) -{ - MUX_DEFAULT(); -#ifdef CONFIG_2GBDDR - MUX_VAL(CP(sdrc_cke1), (IDIS | PTU | EN | M0)) /*sdrc_cke1 */ -#endif -} - -/********************************************************** - * Routine: nand+_init - * Description: Set up nand for nand and jffs2 commands - *********************************************************/ -int nand_init(void) -{ - /* global settings */ - __raw_writel(0x10, GPMC_SYSCONFIG); /* smart idle */ - __raw_writel(0x0, GPMC_IRQENABLE); /* isr's sources masked */ - __raw_writel(0, GPMC_TIMEOUT_CONTROL);/* timeout disable */ -#ifdef CFG_NAND - __raw_writel(0x001, GPMC_CONFIG); /* set nWP, disable limited addr */ -#endif - - /* setup CS0 for Micron NAND, leave other CS's to u-boot */ - __raw_writel(0 , GPMC_CONFIG7 + GPMC_CONFIG_CS0); - delay(1000); - -#ifdef CFG_NAND - __raw_writel( M_NAND_GPMC_CONFIG1, GPMC_CONFIG1 + GPMC_CONFIG_CS0); - __raw_writel( M_NAND_GPMC_CONFIG2, GPMC_CONFIG2 + GPMC_CONFIG_CS0); - __raw_writel( M_NAND_GPMC_CONFIG3, GPMC_CONFIG3 + GPMC_CONFIG_CS0); - __raw_writel( M_NAND_GPMC_CONFIG4, GPMC_CONFIG4 + GPMC_CONFIG_CS0); - __raw_writel( M_NAND_GPMC_CONFIG5, GPMC_CONFIG5 + GPMC_CONFIG_CS0); - __raw_writel( M_NAND_GPMC_CONFIG6, GPMC_CONFIG6 + GPMC_CONFIG_CS0); - -#elif CFG_ONENAND /* CFG_ONENAND */ - __raw_writel( ONENAND_GPMC_CONFIG1, GPMC_CONFIG1 + GPMC_CONFIG_CS0); - __raw_writel( ONENAND_GPMC_CONFIG2, GPMC_CONFIG2 + GPMC_CONFIG_CS0); - __raw_writel( ONENAND_GPMC_CONFIG3, GPMC_CONFIG3 + GPMC_CONFIG_CS0); - __raw_writel( ONENAND_GPMC_CONFIG4, GPMC_CONFIG4 + GPMC_CONFIG_CS0); - __raw_writel( ONENAND_GPMC_CONFIG5, GPMC_CONFIG5 + GPMC_CONFIG_CS0); - __raw_writel( ONENAND_GPMC_CONFIG6, GPMC_CONFIG6 + GPMC_CONFIG_CS0); -#endif - - /* Enable the GPMC Mapping */ - __raw_writel(( ((OMAP34XX_GPMC_CS0_SIZE & 0xF)<<8) | - ((OMAP34XX_GPMC_CS0_MAP>>24) & 0x3F) | - (1<<6) ), (GPMC_CONFIG7 + GPMC_CONFIG_CS0)); - delay(2000); - -#ifdef CFG_NAND - if (nand_chip()){ -#ifdef CFG_PRINTF - printf("Unsupported Chip!\n"); -#endif - return 1; - } -#elif CFG_ONENAND - if (onenand_chip()){ -#ifdef CFG_PRINTF - printf("OneNAND Unsupported !\n"); -#endif - return 1; - } -#endif - return 0; -} - -/* optionally do something like blinking LED */ -void board_hang (void) -{ - while (1) { - printf("X-Loader hangs\n"); - } -} |