diff options
Diffstat (limited to 'board')
-rw-r--r-- | board/sacsng/Kconfig | 9 | ||||
-rw-r--r-- | board/sacsng/MAINTAINERS | 6 | ||||
-rw-r--r-- | board/sacsng/Makefile | 8 | ||||
-rw-r--r-- | board/sacsng/clkinit.c | 1009 | ||||
-rw-r--r-- | board/sacsng/clkinit.h | 103 | ||||
-rw-r--r-- | board/sacsng/flash.c | 507 | ||||
-rw-r--r-- | board/sacsng/ioconfig.h | 217 | ||||
-rw-r--r-- | board/sacsng/sacsng.c | 848 |
8 files changed, 0 insertions, 2707 deletions
diff --git a/board/sacsng/Kconfig b/board/sacsng/Kconfig deleted file mode 100644 index 1646425..0000000 --- a/board/sacsng/Kconfig +++ /dev/null @@ -1,9 +0,0 @@ -if TARGET_SACSNG - -config SYS_BOARD - default "sacsng" - -config SYS_CONFIG_NAME - default "sacsng" - -endif diff --git a/board/sacsng/MAINTAINERS b/board/sacsng/MAINTAINERS deleted file mode 100644 index b76e462..0000000 --- a/board/sacsng/MAINTAINERS +++ /dev/null @@ -1,6 +0,0 @@ -SACSNG BOARD -#M: Jerry Van Baren <gerald.vanbaren@smiths-aerospace.com> -S: Orphan (since 2014-06) -F: board/sacsng/ -F: include/configs/sacsng.h -F: configs/sacsng_defconfig diff --git a/board/sacsng/Makefile b/board/sacsng/Makefile deleted file mode 100644 index 95e6b8d..0000000 --- a/board/sacsng/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-y := sacsng.o flash.o clkinit.o diff --git a/board/sacsng/clkinit.c b/board/sacsng/clkinit.c deleted file mode 100644 index 2a28037..0000000 --- a/board/sacsng/clkinit.c +++ /dev/null @@ -1,1009 +0,0 @@ -/* - * (C) Copyright 2002 - * Custom IDEAS, Inc. <www.cideas.com> - * Jon Diekema <diekema@cideas.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <ioports.h> -#include <mpc8260.h> -#include <asm/cpm_8260.h> -#include <configs/sacsng.h> - -#include "clkinit.h" - -DECLARE_GLOBAL_DATA_PTR; - -int Daq64xSampling = 0; - - -void Daq_BRG_Reset(uint brg) -{ - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; - volatile uint *brg_ptr; - - brg_ptr = (uint *)&immr->im_brgc1; - - if (brg >= 5) { - brg_ptr = (uint *)&immr->im_brgc5; - brg -= 4; - } - brg_ptr += brg; - *brg_ptr |= CPM_BRG_RST; - *brg_ptr &= ~CPM_BRG_RST; -} - -void Daq_BRG_Disable(uint brg) -{ - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; - volatile uint *brg_ptr; - - brg_ptr = (uint *)&immr->im_brgc1; - - if (brg >= 5) { - brg_ptr = (uint *)&immr->im_brgc5; - brg -= 4; - } - brg_ptr += brg; - *brg_ptr &= ~CPM_BRG_EN; -} - -void Daq_BRG_Enable(uint brg) -{ - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; - volatile uint *brg_ptr; - - brg_ptr = (uint *)&immr->im_brgc1; - if (brg >= 5) { - brg_ptr = (uint *)&immr->im_brgc5; - brg -= 4; - } - brg_ptr += brg; - *brg_ptr |= CPM_BRG_EN; -} - -uint Daq_BRG_Get_Div16(uint brg) -{ - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; - uint *brg_ptr; - - brg_ptr = (uint *)&immr->im_brgc1; - if (brg >= 5) { - brg_ptr = (uint *)&immr->im_brgc5; - brg -= 4; - } - brg_ptr += brg; - - if (*brg_ptr & CPM_BRG_DIV16) { - /* DIV16 active */ - return true; - } - else { - /* DIV16 inactive */ - return false; - } -} - -void Daq_BRG_Set_Div16(uint brg, uint div16) -{ - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; - uint *brg_ptr; - - brg_ptr = (uint *)&immr->im_brgc1; - if (brg >= 5) { - brg_ptr = (uint *)&immr->im_brgc5; - brg -= 4; - } - brg_ptr += brg; - - if (div16) { - /* DIV16 active */ - *brg_ptr |= CPM_BRG_DIV16; - } - else { - /* DIV16 inactive */ - *brg_ptr &= ~CPM_BRG_DIV16; - } -} - -uint Daq_BRG_Get_Count(uint brg) -{ - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; - uint *brg_ptr; - uint brg_cnt; - - brg_ptr = (uint *)&immr->im_brgc1; - if (brg >= 5) { - brg_ptr = (uint *)&immr->im_brgc5; - brg -= 4; - } - brg_ptr += brg; - - /* Get the clock divider - * - * Note: A clock divider of 0 means divide by 1, - * therefore we need to add 1 to the count. - */ - brg_cnt = (*brg_ptr & CPM_BRG_CD_MASK) >> CPM_BRG_DIV16_SHIFT; - brg_cnt++; - if (*brg_ptr & CPM_BRG_DIV16) { - brg_cnt *= 16; - } - - return (brg_cnt); -} - -void Daq_BRG_Set_Count(uint brg, uint brg_cnt) -{ - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; - uint *brg_ptr; - - brg_ptr = (uint *)&immr->im_brgc1; - if (brg >= 5) { - brg_ptr = (uint *)&immr->im_brgc5; - brg -= 4; - } - brg_ptr += brg; - - /* - * Note: A clock divider of 0 means divide by 1, - * therefore we need to subtract 1 from the count. - */ - if (brg_cnt > 4096) { - /* Prescale = Divide by 16 */ - *brg_ptr = (*brg_ptr & ~CPM_BRG_CD_MASK) | - (((brg_cnt / 16) - 1) << CPM_BRG_DIV16_SHIFT); - *brg_ptr |= CPM_BRG_DIV16; - } - else { - /* Prescale = Divide by 1 */ - *brg_ptr = (*brg_ptr & ~CPM_BRG_CD_MASK) | - ((brg_cnt - 1) << CPM_BRG_DIV16_SHIFT); - *brg_ptr &= ~CPM_BRG_DIV16; - } -} - -uint Daq_BRG_Get_ExtClk(uint brg) -{ - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; - uint *brg_ptr; - - brg_ptr = (uint *)&immr->im_brgc1; - if (brg >= 5) { - brg_ptr = (uint *)&immr->im_brgc5; - brg -= 4; - } - brg_ptr += brg; - - return ((*brg_ptr & CPM_BRG_EXTC_MASK) >> CPM_BRG_EXTC_SHIFT); -} - -char* Daq_BRG_Get_ExtClk_Description(uint brg) -{ - uint extc; - - extc = Daq_BRG_Get_ExtClk(brg); - - switch (brg + 1) { - case 1: - case 2: - case 5: - case 6: { - switch (extc) { - case 0: { - return ("BRG_INT"); - } - case 1: { - return ("CLK3"); - } - case 2: { - return ("CLK5"); - } - } - return ("??1245??"); - } - case 3: - case 4: - case 7: - case 8: { - switch (extc) { - case 0: { - return ("BRG_INT"); - } - case 1: { - return ("CLK9"); - } - case 2: { - return ("CLK15"); - } - } - return ("??3478??"); - } - } - return ("??9876??"); -} - -void Daq_BRG_Set_ExtClk(uint brg, uint extc) -{ - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; - uint *brg_ptr; - - brg_ptr = (uint *)&immr->im_brgc1; - if (brg >= 5) { - brg_ptr = (uint *)&immr->im_brgc5; - brg -= 4; - } - brg_ptr += brg; - - *brg_ptr = (*brg_ptr & ~CPM_BRG_EXTC_MASK) | - ((extc << CPM_BRG_EXTC_SHIFT) & CPM_BRG_EXTC_MASK); -} - -uint Daq_BRG_Rate(uint brg) -{ - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; - uint *brg_ptr; - uint brg_cnt; - uint brg_freq = 0; - - brg_ptr = (uint *)&immr->im_brgc1; - brg_ptr += brg; - if (brg >= 5) { - brg_ptr = (uint *)&immr->im_brgc5; - brg_ptr += (brg - 4); - } - - brg_cnt = Daq_BRG_Get_Count(brg); - - switch (Daq_BRG_Get_ExtClk(brg)) { - case CPM_BRG_EXTC_CLK3: - case CPM_BRG_EXTC_CLK5: { - brg_freq = brg_cnt; - break; - } - default: { - brg_freq = (uint)BRG_INT_CLK / brg_cnt; - } - } - return (brg_freq); -} - -uint Daq_Get_SampleRate(void) -{ - /* - * Read the BRG's to return the actual sample rate. - */ - return (Daq_BRG_Rate(MCLK_BRG) / (MCLK_DIVISOR * SCLK_DIVISOR)); -} - -void Daq_Init_Clocks(int sample_rate, int sample_64x) -{ - volatile ioport_t *iopa = ioport_addr((immap_t *)CONFIG_SYS_IMMR, 0 /* port A */); - uint mclk_divisor; /* MCLK divisor */ - int flag; /* Interrupt state */ - - /* Save off the clocking data */ - Daq64xSampling = sample_64x; - - /* - * Limit the sample rate to some sensible values. - */ - if (sample_rate > MAX_64x_SAMPLE_RATE) { - sample_rate = MAX_64x_SAMPLE_RATE; - } - if (sample_rate < MIN_SAMPLE_RATE) { - sample_rate = MIN_SAMPLE_RATE; - } - - /* - * Initialize the MCLK/SCLK/LRCLK baud rate generators. - */ - - /* Setup MCLK */ - Daq_BRG_Set_ExtClk(MCLK_BRG, CPM_BRG_EXTC_BRGCLK); - - /* Setup SCLK */ -# ifdef RUN_SCLK_ON_BRG_INT - Daq_BRG_Set_ExtClk(SCLK_BRG, CPM_BRG_EXTC_BRGCLK); -# else - Daq_BRG_Set_ExtClk(SCLK_BRG, CPM_BRG_EXTC_CLK9); -# endif - - /* Setup LRCLK */ -# ifdef RUN_LRCLK_ON_BRG_INT - Daq_BRG_Set_ExtClk(LRCLK_BRG, CPM_BRG_EXTC_BRGCLK); -# else - Daq_BRG_Set_ExtClk(LRCLK_BRG, CPM_BRG_EXTC_CLK5); -# endif - - /* - * Dynamically adjust MCLK based on the new sample rate. - */ - - /* Compute the divisors */ - mclk_divisor = BRG_INT_CLK / (sample_rate * MCLK_DIVISOR * SCLK_DIVISOR); - - /* - * Disable interrupt and save the current state - */ - flag = disable_interrupts(); - - /* Setup MCLK */ - Daq_BRG_Set_Count(MCLK_BRG, mclk_divisor); - - /* Setup SCLK */ -# ifdef RUN_SCLK_ON_BRG_INT - Daq_BRG_Set_Count(SCLK_BRG, mclk_divisor * MCLK_DIVISOR); -# else - Daq_BRG_Set_Count(SCLK_BRG, MCLK_DIVISOR); -# endif - -# ifdef RUN_LRCLK_ON_BRG_INT - Daq_BRG_Set_Count(LRCLK_BRG, - mclk_divisor * MCLK_DIVISOR * SCLK_DIVISOR); -# else - Daq_BRG_Set_Count(LRCLK_BRG, SCLK_DIVISOR); -# endif - - /* - * Restore the Interrupt state - */ - if (flag) { - enable_interrupts(); - } - - /* Enable the clock drivers */ - iopa->pdat &= ~SLRCLK_EN_MASK; -} - -void Daq_Stop_Clocks(void) - -{ -#ifdef TIGHTEN_UP_BRG_TIMING - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; - register uint mclk_brg; /* MCLK BRG value */ - register uint sclk_brg; /* SCLK BRG value */ - register uint lrclk_brg; /* LRCLK BRG value */ - unsigned long flag; /* Interrupt flags */ -#endif - -# ifdef TIGHTEN_UP_BRG_TIMING - /* - * Obtain MCLK BRG reset/disabled value - */ -# if (MCLK_BRG == 0) - mclk_brg = (*IM_BRGC1 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (MCLK_BRG == 1) - mclk_brg = (*IM_BRGC2 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (MCLK_BRG == 2) - mclk_brg = (*IM_BRGC3 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (MCLK_BRG == 3) - mclk_brg = (*IM_BRGC4 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (MCLK_BRG == 4) - mclk_brg = (*IM_BRGC5 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (MCLK_BRG == 5) - mclk_brg = (*IM_BRGC6 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (MCLK_BRG == 6) - mclk_brg = (*IM_BRGC7 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (MCLK_BRG == 7) - mclk_brg = (*IM_BRGC8 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif - - /* - * Obtain SCLK BRG reset/disabled value - */ -# if (SCLK_BRG == 0) - sclk_brg = (*IM_BRGC1 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (SCLK_BRG == 1) - sclk_brg = (*IM_BRGC2 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (SCLK_BRG == 2) - sclk_brg = (*IM_BRGC3 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (SCLK_BRG == 3) - sclk_brg = (*IM_BRGC4 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (SCLK_BRG == 4) - sclk_brg = (*IM_BRGC5 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (SCLK_BRG == 5) - sclk_brg = (*IM_BRGC6 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (SCLK_BRG == 6) - sclk_brg = (*IM_BRGC7 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (SCLK_BRG == 7) - sclk_brg = (*IM_BRGC8 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif - - /* - * Obtain LRCLK BRG reset/disabled value - */ -# if (LRCLK_BRG == 0) - lrclk_brg = (*IM_BRGC1 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (LRCLK_BRG == 1) - lrclk_brg = (*IM_BRGC2 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (LRCLK_BRG == 2) - lrclk_brg = (*IM_BRGC3 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (LRCLK_BRG == 3) - lrclk_brg = (*IM_BRGC4 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (LRCLK_BRG == 4) - lrclk_brg = (*IM_BRGC5 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (LRCLK_BRG == 5) - lrclk_brg = (*IM_BRGC6 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (LRCLK_BRG == 6) - lrclk_brg = (*IM_BRGC7 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif -# if (LRCLK_BRG == 7) - lrclk_brg = (*IM_BRGC8 | CPM_BRG_RST) & ~CPM_BRG_EN; -# endif - - /* - * Disable interrupt and save the current state - */ - flag = disable_interrupts(); - - /* - * Set reset on MCLK BRG - */ -# if (MCLK_BRG == 0) - *IM_BRGC1 = mclk_brg; -# endif -# if (MCLK_BRG == 1) - *IM_BRGC2 = mclk_brg; -# endif -# if (MCLK_BRG == 2) - *IM_BRGC3 = mclk_brg; -# endif -# if (MCLK_BRG == 3) - *IM_BRGC4 = mclk_brg; -# endif -# if (MCLK_BRG == 4) - *IM_BRGC5 = mclk_brg; -# endif -# if (MCLK_BRG == 5) - *IM_BRGC6 = mclk_brg; -# endif -# if (MCLK_BRG == 6) - *IM_BRGC7 = mclk_brg; -# endif -# if (MCLK_BRG == 7) - *IM_BRGC8 = mclk_brg; -# endif - - /* - * Set reset on SCLK BRG - */ -# if (SCLK_BRG == 0) - *IM_BRGC1 = sclk_brg; -# endif -# if (SCLK_BRG == 1) - *IM_BRGC2 = sclk_brg; -# endif -# if (SCLK_BRG == 2) - *IM_BRGC3 = sclk_brg; -# endif -# if (SCLK_BRG == 3) - *IM_BRGC4 = sclk_brg; -# endif -# if (SCLK_BRG == 4) - *IM_BRGC5 = sclk_brg; -# endif -# if (SCLK_BRG == 5) - *IM_BRGC6 = sclk_brg; -# endif -# if (SCLK_BRG == 6) - *IM_BRGC7 = sclk_brg; -# endif -# if (SCLK_BRG == 7) - *IM_BRGC8 = sclk_brg; -# endif - - /* - * Set reset on LRCLK BRG - */ -# if (LRCLK_BRG == 0) - *IM_BRGC1 = lrclk_brg; -# endif -# if (LRCLK_BRG == 1) - *IM_BRGC2 = lrclk_brg; -# endif -# if (LRCLK_BRG == 2) - *IM_BRGC3 = lrclk_brg; -# endif -# if (LRCLK_BRG == 3) - *IM_BRGC4 = lrclk_brg; -# endif -# if (LRCLK_BRG == 4) - *IM_BRGC5 = lrclk_brg; -# endif -# if (LRCLK_BRG == 5) - *IM_BRGC6 = lrclk_brg; -# endif -# if (LRCLK_BRG == 6) - *IM_BRGC7 = lrclk_brg; -# endif -# if (LRCLK_BRG == 7) - *IM_BRGC8 = lrclk_brg; -# endif - - /* - * Clear reset on MCLK BRG - */ -# if (MCLK_BRG == 0) - *IM_BRGC1 = mclk_brg & ~CPM_BRG_RST; -# endif -# if (MCLK_BRG == 1) - *IM_BRGC2 = mclk_brg & ~CPM_BRG_RST; -# endif -# if (MCLK_BRG == 2) - *IM_BRGC3 = mclk_brg & ~CPM_BRG_RST; -# endif -# if (MCLK_BRG == 3) - *IM_BRGC4 = mclk_brg & ~CPM_BRG_RST; -# endif -# if (MCLK_BRG == 4) - *IM_BRGC5 = mclk_brg & ~CPM_BRG_RST; -# endif -# if (MCLK_BRG == 5) - *IM_BRGC6 = mclk_brg & ~CPM_BRG_RST; -# endif -# if (MCLK_BRG == 6) - *IM_BRGC7 = mclk_brg & ~CPM_BRG_RST; -# endif -# if (MCLK_BRG == 7) - *IM_BRGC8 = mclk_brg & ~CPM_BRG_RST; -# endif - - /* - * Clear reset on SCLK BRG - */ -# if (SCLK_BRG == 0) - *IM_BRGC1 = sclk_brg & ~CPM_BRG_RST; -# endif -# if (SCLK_BRG == 1) - *IM_BRGC2 = sclk_brg & ~CPM_BRG_RST; -# endif -# if (SCLK_BRG == 2) - *IM_BRGC3 = sclk_brg & ~CPM_BRG_RST; -# endif -# if (SCLK_BRG == 3) - *IM_BRGC4 = sclk_brg & ~CPM_BRG_RST; -# endif -# if (SCLK_BRG == 4) - *IM_BRGC5 = sclk_brg & ~CPM_BRG_RST; -# endif -# if (SCLK_BRG == 5) - *IM_BRGC6 = sclk_brg & ~CPM_BRG_RST; -# endif -# if (SCLK_BRG == 6) - *IM_BRGC7 = sclk_brg & ~CPM_BRG_RST; -# endif -# if (SCLK_BRG == 7) - *IM_BRGC8 = sclk_brg & ~CPM_BRG_RST; -# endif - - /* - * Clear reset on LRCLK BRG - */ -# if (LRCLK_BRG == 0) - *IM_BRGC1 = lrclk_brg & ~CPM_BRG_RST; -# endif -# if (LRCLK_BRG == 1) - *IM_BRGC2 = lrclk_brg & ~CPM_BRG_RST; -# endif -# if (LRCLK_BRG == 2) - *IM_BRGC3 = lrclk_brg & ~CPM_BRG_RST; -# endif -# if (LRCLK_BRG == 3) - *IM_BRGC4 = lrclk_brg & ~CPM_BRG_RST; -# endif -# if (LRCLK_BRG == 4) - *IM_BRGC5 = lrclk_brg & ~CPM_BRG_RST; -# endif -# if (LRCLK_BRG == 5) - *IM_BRGC6 = lrclk_brg & ~CPM_BRG_RST; -# endif -# if (LRCLK_BRG == 6) - *IM_BRGC7 = lrclk_brg & ~CPM_BRG_RST; -# endif -# if (LRCLK_BRG == 7) - *IM_BRGC8 = lrclk_brg & ~CPM_BRG_RST; -# endif - - /* - * Restore the Interrupt state - */ - if (flag) { - enable_interrupts(); - } -# else - /* - * Reset the clocks - */ - Daq_BRG_Reset(MCLK_BRG); - Daq_BRG_Reset(SCLK_BRG); - Daq_BRG_Reset(LRCLK_BRG); -# endif -} - -void Daq_Start_Clocks(int sample_rate) - -{ -#ifdef TIGHTEN_UP_BRG_TIMING - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; - - register uint mclk_brg; /* MCLK BRG value */ - register uint sclk_brg; /* SCLK BRG value */ - register uint temp_lrclk_brg; /* Temporary LRCLK BRG value */ - register uint real_lrclk_brg; /* Permanent LRCLK BRG value */ - uint lrclk_brg; /* LRCLK BRG value */ - unsigned long flags; /* Interrupt flags */ - uint sclk_cnt; /* SCLK count */ - uint delay_cnt; /* Delay count */ -#endif - -# ifdef TIGHTEN_UP_BRG_TIMING - /* - * Obtain the enabled MCLK BRG value - */ -# if (MCLK_BRG == 0) - mclk_brg = (*IM_BRGC1 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (MCLK_BRG == 1) - mclk_brg = (*IM_BRGC2 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (MCLK_BRG == 2) - mclk_brg = (*IM_BRGC3 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (MCLK_BRG == 3) - mclk_brg = (*IM_BRGC4 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (MCLK_BRG == 4) - mclk_brg = (*IM_BRGC5 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (MCLK_BRG == 5) - mclk_brg = (*IM_BRGC6 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (MCLK_BRG == 6) - mclk_brg = (*IM_BRGC7 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (MCLK_BRG == 7) - mclk_brg = (*IM_BRGC8 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif - - /* - * Obtain the enabled SCLK BRG value - */ -# if (SCLK_BRG == 0) - sclk_brg = (*IM_BRGC1 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (SCLK_BRG == 1) - sclk_brg = (*IM_BRGC2 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (SCLK_BRG == 2) - sclk_brg = (*IM_BRGC3 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (SCLK_BRG == 3) - sclk_brg = (*IM_BRGC4 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (SCLK_BRG == 4) - sclk_brg = (*IM_BRGC5 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (SCLK_BRG == 5) - sclk_brg = (*IM_BRGC6 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (SCLK_BRG == 6) - sclk_brg = (*IM_BRGC7 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (SCLK_BRG == 7) - sclk_brg = (*IM_BRGC8 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif - - /* - * Obtain the enabled LRCLK BRG value - */ -# if (LRCLK_BRG == 0) - lrclk_brg = (*IM_BRGC1 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (LRCLK_BRG == 1) - lrclk_brg = (*IM_BRGC2 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (LRCLK_BRG == 2) - lrclk_brg = (*IM_BRGC3 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (LRCLK_BRG == 3) - lrclk_brg = (*IM_BRGC4 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (LRCLK_BRG == 4) - lrclk_brg = (*IM_BRGC5 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (LRCLK_BRG == 5) - lrclk_brg = (*IM_BRGC6 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (LRCLK_BRG == 6) - lrclk_brg = (*IM_BRGC7 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif -# if (LRCLK_BRG == 7) - lrclk_brg = (*IM_BRGC8 & ~CPM_BRG_RST) | CPM_BRG_EN; -# endif - - /* Save off the real LRCLK value */ - real_lrclk_brg = lrclk_brg; - - /* Obtain the current SCLK count */ - sclk_cnt = ((sclk_brg & 0x00001FFE) >> 1) + 1; - - /* Compute the delay as a function of SCLK count */ - delay_cnt = ((sclk_cnt / 4) - 2) * 10 + 6; - if (DaqSampleRate == 43402) { - delay_cnt++; - } - - /* Clear out the count */ - temp_lrclk_brg = sclk_brg & ~0x00001FFE; - - /* Insert the count */ - temp_lrclk_brg |= ((delay_cnt + (sclk_cnt / 2) - 1) << 1) & 0x00001FFE; - - /* - * Disable interrupt and save the current state - */ - flag = disable_interrupts(); - - /* - * Enable MCLK BRG - */ -# if (MCLK_BRG == 0) - *IM_BRGC1 = mclk_brg; -# endif -# if (MCLK_BRG == 1) - *IM_BRGC2 = mclk_brg; -# endif -# if (MCLK_BRG == 2) - *IM_BRGC3 = mclk_brg; -# endif -# if (MCLK_BRG == 3) - *IM_BRGC4 = mclk_brg; -# endif -# if (MCLK_BRG == 4) - *IM_BRGC5 = mclk_brg; -# endif -# if (MCLK_BRG == 5) - *IM_BRGC6 = mclk_brg; -# endif -# if (MCLK_BRG == 6) - *IM_BRGC7 = mclk_brg; -# endif -# if (MCLK_BRG == 7) - *IM_BRGC8 = mclk_brg; -# endif - - /* - * Enable SCLK BRG - */ -# if (SCLK_BRG == 0) - *IM_BRGC1 = sclk_brg; -# endif -# if (SCLK_BRG == 1) - *IM_BRGC2 = sclk_brg; -# endif -# if (SCLK_BRG == 2) - *IM_BRGC3 = sclk_brg; -# endif -# if (SCLK_BRG == 3) - *IM_BRGC4 = sclk_brg; -# endif -# if (SCLK_BRG == 4) - *IM_BRGC5 = sclk_brg; -# endif -# if (SCLK_BRG == 5) - *IM_BRGC6 = sclk_brg; -# endif -# if (SCLK_BRG == 6) - *IM_BRGC7 = sclk_brg; -# endif -# if (SCLK_BRG == 7) - *IM_BRGC8 = sclk_brg; -# endif - - /* - * Enable LRCLK BRG (1st time - temporary) - */ -# if (LRCLK_BRG == 0) - *IM_BRGC1 = temp_lrclk_brg; -# endif -# if (LRCLK_BRG == 1) - *IM_BRGC2 = temp_lrclk_brg; -# endif -# if (LRCLK_BRG == 2) - *IM_BRGC3 = temp_lrclk_brg; -# endif -# if (LRCLK_BRG == 3) - *IM_BRGC4 = temp_lrclk_brg; -# endif -# if (LRCLK_BRG == 4) - *IM_BRGC5 = temp_lrclk_brg; -# endif -# if (LRCLK_BRG == 5) - *IM_BRGC6 = temp_lrclk_brg; -# endif -# if (LRCLK_BRG == 6) - *IM_BRGC7 = temp_lrclk_brg; -# endif -# if (LRCLK_BRG == 7) - *IM_BRGC8 = temp_lrclk_brg; -# endif - - /* - * Enable LRCLK BRG (2nd time - permanent) - */ -# if (LRCLK_BRG == 0) - *IM_BRGC1 = real_lrclk_brg; -# endif -# if (LRCLK_BRG == 1) - *IM_BRGC2 = real_lrclk_brg; -# endif -# if (LRCLK_BRG == 2) - *IM_BRGC3 = real_lrclk_brg; -# endif -# if (LRCLK_BRG == 3) - *IM_BRGC4 = real_lrclk_brg; -# endif -# if (LRCLK_BRG == 4) - *IM_BRGC5 = real_lrclk_brg; -# endif -# if (LRCLK_BRG == 5) - *IM_BRGC6 = real_lrclk_brg; -# endif -# if (LRCLK_BRG == 6) - *IM_BRGC7 = real_lrclk_brg; -# endif -# if (LRCLK_BRG == 7) - *IM_BRGC8 = real_lrclk_brg; -# endif - - /* - * Restore the Interrupt state - */ - if (flag) { - enable_interrupts(); - } -# else - /* - * Enable the clocks - */ - Daq_BRG_Enable(LRCLK_BRG); - Daq_BRG_Enable(SCLK_BRG); - Daq_BRG_Enable(MCLK_BRG); -# endif -} - -void Daq_Display_Clocks(void) - -{ - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; - uint mclk_divisor; /* Detected MCLK divisor */ - uint sclk_divisor; /* Detected SCLK divisor */ - - printf("\nBRG:\n"); - if (immr->im_brgc4 != 0) { - printf("\tbrgc4\t0x%08x @ 0x%08x, %5d count, %d extc, %8s, MCLK\n", - immr->im_brgc4, - (uint)&(immr->im_brgc4), - Daq_BRG_Get_Count(3), - Daq_BRG_Get_ExtClk(3), - Daq_BRG_Get_ExtClk_Description(3)); - } - if (immr->im_brgc8 != 0) { - printf("\tbrgc8\t0x%08x @ 0x%08x, %5d count, %d extc, %8s, SCLK\n", - immr->im_brgc8, - (uint)&(immr->im_brgc8), - Daq_BRG_Get_Count(7), - Daq_BRG_Get_ExtClk(7), - Daq_BRG_Get_ExtClk_Description(7)); - } - if (immr->im_brgc6 != 0) { - printf("\tbrgc6\t0x%08x @ 0x%08x, %5d count, %d extc, %8s, LRCLK\n", - immr->im_brgc6, - (uint)&(immr->im_brgc6), - Daq_BRG_Get_Count(5), - Daq_BRG_Get_ExtClk(5), - Daq_BRG_Get_ExtClk_Description(5)); - } - if (immr->im_brgc1 != 0) { - printf("\tbrgc1\t0x%08x @ 0x%08x, %5d count, %d extc, %8s, SMC1\n", - immr->im_brgc1, - (uint)&(immr->im_brgc1), - Daq_BRG_Get_Count(0), - Daq_BRG_Get_ExtClk(0), - Daq_BRG_Get_ExtClk_Description(0)); - } - if (immr->im_brgc2 != 0) { - printf("\tbrgc2\t0x%08x @ 0x%08x, %5d count, %d extc, %8s, SMC2\n", - immr->im_brgc2, - (uint)&(immr->im_brgc2), - Daq_BRG_Get_Count(1), - Daq_BRG_Get_ExtClk(1), - Daq_BRG_Get_ExtClk_Description(1)); - } - if (immr->im_brgc3 != 0) { - printf("\tbrgc3\t0x%08x @ 0x%08x, %5d count, %d extc, %8s, SCC1\n", - immr->im_brgc3, - (uint)&(immr->im_brgc3), - Daq_BRG_Get_Count(2), - Daq_BRG_Get_ExtClk(2), - Daq_BRG_Get_ExtClk_Description(2)); - } - if (immr->im_brgc5 != 0) { - printf("\tbrgc5\t0x%08x @ 0x%08x, %5d count, %d extc, %8s\n", - immr->im_brgc5, - (uint)&(immr->im_brgc5), - Daq_BRG_Get_Count(4), - Daq_BRG_Get_ExtClk(4), - Daq_BRG_Get_ExtClk_Description(4)); - } - if (immr->im_brgc7 != 0) { - printf("\tbrgc7\t0x%08x @ 0x%08x, %5d count, %d extc, %8s\n", - immr->im_brgc7, - (uint)&(immr->im_brgc7), - Daq_BRG_Get_Count(6), - Daq_BRG_Get_ExtClk(6), - Daq_BRG_Get_ExtClk_Description(6)); - } - -# ifdef RUN_SCLK_ON_BRG_INT - mclk_divisor = Daq_BRG_Rate(MCLK_BRG) / Daq_BRG_Rate(SCLK_BRG); -# else - mclk_divisor = Daq_BRG_Get_Count(SCLK_BRG); -# endif -# ifdef RUN_LRCLK_ON_BRG_INT - sclk_divisor = Daq_BRG_Rate(SCLK_BRG) / Daq_BRG_Rate(LRCLK_BRG); -# else - sclk_divisor = Daq_BRG_Get_Count(LRCLK_BRG); -# endif - - printf("\nADC/DAC Clocking (%d/%d):\n", sclk_divisor, mclk_divisor); - printf("\tMCLK %8d Hz, or %3dx SCLK, or %3dx LRCLK\n", - Daq_BRG_Rate(MCLK_BRG), - mclk_divisor, - mclk_divisor * sclk_divisor); -# ifdef RUN_SCLK_ON_BRG_INT - printf("\tSCLK %8d Hz, or %3dx LRCLK\n", - Daq_BRG_Rate(SCLK_BRG), - sclk_divisor); -# else - printf("\tSCLK %8d Hz, or %3dx LRCLK\n", - Daq_BRG_Rate(MCLK_BRG) / mclk_divisor, - sclk_divisor); -# endif -# ifdef RUN_LRCLK_ON_BRG_INT - printf("\tLRCLK %8d Hz\n", - Daq_BRG_Rate(LRCLK_BRG)); -# else -# ifdef RUN_SCLK_ON_BRG_INT - printf("\tLRCLK %8d Hz\n", - Daq_BRG_Rate(SCLK_BRG) / sclk_divisor); -# else - printf("\tLRCLK %8d Hz\n", - Daq_BRG_Rate(MCLK_BRG) / (mclk_divisor * sclk_divisor)); -# endif -# endif - printf("\n"); -} diff --git a/board/sacsng/clkinit.h b/board/sacsng/clkinit.h deleted file mode 100644 index 3f759dd..0000000 --- a/board/sacsng/clkinit.h +++ /dev/null @@ -1,103 +0,0 @@ -/* - * (C) Copyright 2002 - * Custom IDEAS, Inc. <www.cideas.com> - * Jon Diekema <diekema@cideas.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#define SLRCLK_EN_MASK 0x00040000 /* PA13 - SLRCLK_EN* */ - -#define MIN_SAMPLE_RATE 4000 /* Minimum sample rate */ -#define MAX_128x_SAMPLE_RATE 43402 /* Maximum 128x sample rate */ -#define MAX_64x_SAMPLE_RATE 86805 /* Maximum 64x sample rate */ - -#define KHZ ((uint)1000) -#define MHZ ((uint)(1000 * KHZ)) - -#define MCLK_BRG 3 /* MCLK, Master CLocK for the A/D & D/A */ -#define SCLK_BRG 7 /* SCLK, Sample CLocK for the A/D & D/A */ -#define LRCLK_BRG 5 /* LRCLK, L/R CLocK for the A/D & D/A */ - /* 0 == BRG1 (used for SMC1) */ - /* 1 == BRG2 (used for SMC2) */ - /* 2 == BRG3 (used for SCC1) */ - /* 3 == BRG4 (MCLK) */ - /* 4 == BRG5 */ - /* 5 == BRG6 (LRCLK) */ - /* 6 == BRG7 */ - /* 7 == BRG8 (SCLK) */ - -#define MCLK_DIVISOR 4 /* SCLK = MCLK / MCLK_DIVISOR */ -#define SCLK_DIVISOR (Daq64xSampling ? 64 : 128) - /* LRCLK = SCLK / SCLK_DIVISOR */ - -#define TIGHTEN_UP_BRG_EN_TIMING /* Tighten up the BRG enable timing */ -#define RUN_SCLK_ON_BRG_INT /* Run SCLK on BRG_INT instead of MCLK */ - /* The 8260 (Mask B.3) seems to have */ - /* problems generating SCLK from MCLK */ - /* via CLK9. */ -#define RUN_LRCLK_ON_BRG_INT /* Run LRCLK on BRG_INT instead of SCLK */ - /* The 8260 (Mask B.3) seems to have */ - /* problems generating LRCLK from SCLK */ - -#define NUM_LRCLKS_TO_STABILIZE 1 /* Number of LRCLK period (sample) */ - /* to wait for the clock to stabilize */ - -#define CPM_CLK (gd->bd->bi_cpmfreq) -#define DFBRG 4 -#define BRG_INT_CLK (CPM_CLK * 2 / DFBRG) - /* BRG = CPM * 2 / DFBRG (Sect 9.8) */ - /* BRG = CPM * 2 / 4 */ - /* BRG = CPM / 2 */ - -#define CPM_BRG_EXTC_MASK ((uint)0x0000C000) -#define CPM_BRG_EXTC_SHIFT 14 - -#define CPM_BRG_DIV16_MASK ((uint)0x00000001) -#define CPM_BRG_DIV16_SHIFT 1 - -#define CPM_BRG_EXTC_BRGCLK 0 -#define CPM_BRG_EXTC_CLK3 1 -#define CPM_BRG_EXTC_CLK9 CPM_BRG_EXTC_CLK3 -#define CPM_BRG_EXTC_CLK5 2 -#define CPM_BRG_EXTC_CLK15 CPM_BRG_EXTC_CLK5 - -#define IM_BRGC1 ((uint *)0xf00119f0) -#define IM_BRGC2 ((uint *)0xf00119f4) -#define IM_BRGC3 ((uint *)0xf00119f8) -#define IM_BRGC4 ((uint *)0xf00119fc) -#define IM_BRGC5 ((uint *)0xf00115f0) -#define IM_BRGC6 ((uint *)0xf00115f4) -#define IM_BRGC7 ((uint *)0xf00115f8) -#define IM_BRGC8 ((uint *)0xf00115fc) - -/* - * External declarations - */ - -extern int Daq64xSampling; - -extern void Daq_BRG_Reset(uint brg); -extern void Daq_BRG_Run(uint brg); - -extern void Daq_BRG_Disable(uint brg); -extern void Daq_BRG_Enable(uint brg); - -extern uint Daq_BRG_Get_Div16(uint brg); -extern void Daq_BRG_Set_Div16(uint brg, uint div16); - -extern uint Daq_BRG_Get_Count(uint brg); -extern void Daq_BRG_Set_Count(uint brg, uint brg_cnt); - -extern uint Daq_BRG_Get_ExtClk(uint brg); -extern char* Daq_BRG_Get_ExtClk_Description(uint brg); -extern void Daq_BRG_Set_ExtClk(uint brg, uint extc); - -extern uint Daq_BRG_Rate(uint brg); - -extern uint Daq_Get_SampleRate(void); - -extern void Daq_Init_Clocks(int sample_rate, int sample_64x); -extern void Daq_Stop_Clocks(void); -extern void Daq_Start_Clocks(int sample_rate); -extern void Daq_Display_Clocks(void); diff --git a/board/sacsng/flash.c b/board/sacsng/flash.c deleted file mode 100644 index 686fb22..0000000 --- a/board/sacsng/flash.c +++ /dev/null @@ -1,507 +0,0 @@ -/* - * (C) Copyright 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <configs/sacsng.h> - - -#undef DEBUG - -#ifndef CONFIG_ENV_ADDR -#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET) -#endif -#ifndef CONFIG_ENV_SIZE -#define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE -#endif - - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size (vu_short *addr, flash_info_t *info); -static int write_word (flash_info_t *info, ulong dest, ulong data); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ - unsigned long size_b0, size_b1; - int i; - - /* Init: no FLASHes known */ - for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) { - flash_info[i].flash_id = FLASH_UNKNOWN; - } - - size_b0 = flash_get_size((vu_short *)CONFIG_SYS_FLASH0_BASE, &flash_info[0]); - - if (flash_info[0].flash_id == FLASH_UNKNOWN) { - printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", - size_b0, size_b0<<20); - } - - size_b1 = flash_get_size((vu_short *)CONFIG_SYS_FLASH1_BASE, &flash_info[1]); - -#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE - /* monitor protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, - &flash_info[0]); -#endif - -#ifdef CONFIG_ENV_IS_IN_FLASH - /* ENV protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR+CONFIG_ENV_SIZE-1, - &flash_info[0]); -#endif - - if (size_b1) { -#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE - /* monitor protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, - &flash_info[1]); -#endif - -#ifdef CONFIG_ENV_IS_IN_FLASH - /* ENV protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR+CONFIG_ENV_SIZE-1, - &flash_info[1]); -#endif - } else { - flash_info[1].flash_id = FLASH_UNKNOWN; - flash_info[1].sector_count = -1; - } - - flash_info[0].size = size_b0; - flash_info[1].size = size_b1; - - /* - * We only report the primary flash for U-Boot's use. - */ - return (size_b0); -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t *info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_AMD: printf ("AMD "); break; - case FLASH_MAN_FUJ: printf ("FUJITSU "); break; - default: printf ("Unknown Vendor "); break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_AM400B: printf ("AM29LV400B (4 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM400T: printf ("AM29LV400T (4 Mbit, top boot sector)\n"); - break; - case FLASH_AM800B: printf ("AM29LV800B (8 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM800T: printf ("AM29LV800T (8 Mbit, top boot sector)\n"); - break; - case FLASH_AM160B: printf ("AM29LV160B (16 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM160T: printf ("AM29LV160T (16 Mbit, top boot sector)\n"); - break; - case FLASH_AM320B: printf ("AM29LV320B (32 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM320T: printf ("AM29LV320T (32 Mbit, top boot sector)\n"); - break; - default: printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i=0; i<info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], - info->protect[i] ? " (RO)" : " " - ); - } - printf ("\n"); - return; -} - -/*----------------------------------------------------------------------- - */ - - -/*----------------------------------------------------------------------- - */ - -/* - * The following code cannot be run from FLASH! - */ - -static ulong flash_get_size (vu_short *addr, flash_info_t *info) -{ - short i; - ushort value; - ulong base = (ulong)addr; - - /* Write auto select command: read Manufacturer ID */ - addr[0x0555] = 0xAAAA; - addr[0x02AA] = 0x5555; - addr[0x0555] = 0x9090; - __asm__ __volatile__(" sync\n "); - - value = addr[0]; -#ifdef DEBUG - printf("Flash manufacturer 0x%04X\n", value); -#endif - - if(value == (ushort)AMD_MANUFACT) { - info->flash_id = FLASH_MAN_AMD; - } else if (value == (ushort)FUJ_MANUFACT) { - info->flash_id = FLASH_MAN_FUJ; - } else { -#ifdef DEBUG - printf("Unknown flash manufacturer 0x%04X\n", value); -#endif - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - return (0); /* no or unknown flash */ - } - - value = addr[1]; /* device ID */ -#ifdef DEBUG - printf("Flash type 0x%04X\n", value); -#endif - - if(value == (ushort)AMD_ID_LV400T) { - info->flash_id += FLASH_AM400T; - info->sector_count = 11; - info->size = 0x00080000; /* => 0.5 MB */ - } else if(value == (ushort)AMD_ID_LV400B) { - info->flash_id += FLASH_AM400B; - info->sector_count = 11; - info->size = 0x00080000; /* => 0.5 MB */ - } else if(value == (ushort)AMD_ID_LV800T) { - info->flash_id += FLASH_AM800T; - info->sector_count = 19; - info->size = 0x00100000; /* => 1 MB */ - } else if(value == (ushort)AMD_ID_LV800B) { - info->flash_id += FLASH_AM800B; - info->sector_count = 19; - info->size = 0x00100000; /* => 1 MB */ - } else if(value == (ushort)AMD_ID_LV160T) { - info->flash_id += FLASH_AM160T; - info->sector_count = 35; - info->size = 0x00200000; /* => 2 MB */ - } else if(value == (ushort)AMD_ID_LV160B) { - info->flash_id += FLASH_AM160B; - info->sector_count = 35; - info->size = 0x00200000; /* => 2 MB */ - } else if(value == (ushort)AMD_ID_LV320T) { - info->flash_id += FLASH_AM320T; - info->sector_count = 67; - info->size = 0x00400000; /* => 4 MB */ - } else if(value == (ushort)AMD_ID_LV320B) { - info->flash_id += FLASH_AM320B; - info->sector_count = 67; - info->size = 0x00400000; /* => 4 MB */ - } else { -#ifdef DEBUG - printf("Unknown flash type 0x%04X\n", value); - info->size = CONFIG_SYS_FLASH_SIZE; -#else - info->flash_id = FLASH_UNKNOWN; - return (0); /* => no or unknown flash */ -#endif - } - - /* set up sector start address table */ - if (info->flash_id & FLASH_BTYPE) { - /* set sector offsets for bottom boot block type */ - info->start[0] = base + 0x00000000; - info->start[1] = base + 0x00004000; - info->start[2] = base + 0x00006000; - info->start[3] = base + 0x00008000; - for (i = 4; i < info->sector_count; i++) { - info->start[i] = base + ((i - 3) * 0x00010000); - } - } else { - /* set sector offsets for top boot block type */ - i = info->sector_count - 1; - info->start[i--] = base + info->size - 0x00004000; - info->start[i--] = base + info->size - 0x00006000; - info->start[i--] = base + info->size - 0x00008000; - for (; i >= 0; i--) { - info->start[i] = base + (i * 0x00010000); - } - } - - /* check for protected sectors */ - for (i = 0; i < info->sector_count; i++) { - /* read sector protection at sector address, (A7 .. A0) = 0x02 */ - /* D0 = 1 if protected */ - addr = (volatile unsigned short *)(info->start[i]); - info->protect[i] = addr[2] & 1; - } - - /* - * Prevent writes to uninitialized FLASH. - */ - if (info->flash_id != FLASH_UNKNOWN) { - addr = (volatile unsigned short *)info->start[0]; - - } - - addr[0] = 0xF0F0; /* reset bank */ - __asm__ __volatile__(" sync\n "); - return (info->size); -} - - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t *info, int s_first, int s_last) -{ - vu_short *addr = (vu_short*)(info->start[0]); - int flag, prot, sect, l_sect; - ulong start, now, last; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - if ((info->flash_id == FLASH_UNKNOWN) || - (info->flash_id > FLASH_AMD_COMP)) { - printf ("Can't erase unknown flash type %08lx - aborted\n", - info->flash_id); - return 1; - } - - prot = 0; - for (sect=s_first; sect<=s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) { - printf ("- Warning: %d protected sectors will not be erased!\n", - prot); - } else { - printf ("\n"); - } - - l_sect = -1; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - addr[0x0555] = 0xAAAA; - addr[0x02AA] = 0x5555; - addr[0x0555] = 0x8080; - addr[0x0555] = 0xAAAA; - addr[0x02AA] = 0x5555; - __asm__ __volatile__(" sync\n "); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect<=s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - addr = (vu_short*)(info->start[sect]); - addr[0] = 0x3030; - l_sect = sect; - } - } - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* wait at least 80us - let's wait 1 ms */ - udelay (1000); - - /* - * We wait for the last triggered sector - */ - if (l_sect < 0) - goto DONE; - - start = get_timer (0); - last = start; - addr = (vu_short*)(info->start[l_sect]); - while ((addr[0] & 0x0080) != 0x0080) { - if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - addr[0] = 0xF0F0; /* reset bank */ - __asm__ __volatile__(" sync\n "); - return 1; - } - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - putc ('.'); - last = now; - } - } - -DONE: - /* reset to read mode */ - addr = (vu_short*)info->start[0]; - addr[0] = 0xF0F0; /* reset bank */ - __asm__ __volatile__(" sync\n "); - - printf (" done\n"); - return 0; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ - -int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong cp, wp, data; - int i, l, rc; - - wp = (addr & ~3); /* get lower word aligned address */ - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i=0, cp=wp; i<l; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - for (; i<4 && cnt>0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt==0 && i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - } - - /* - * handle word aligned part - */ - while (cnt >= 4) { - data = 0; - for (i=0; i<4; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - cnt -= 4; - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - return (write_word(info, wp, data)); -} - -/*----------------------------------------------------------------------- - * Write a word to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_word (flash_info_t *info, ulong dest, ulong data) -{ - vu_short *addr = (vu_short*)(info->start[0]); - ulong start; - int flag; - int j; - - /* Check if Flash is (sufficiently) erased */ - if (((*(vu_long *)dest) & data) != data) { - return (2); - } - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - /* The original routine was designed to write 32 bit words to - * 32 bit wide memory. We have 16 bit wide memory so we do - * two writes. We write the LSB first at dest+2 and then the - * MSB at dest (lousy big endian). - */ - dest += 2; - for(j = 0; j < 2; j++) { - addr[0x0555] = 0xAAAA; - addr[0x02AA] = 0x5555; - addr[0x0555] = 0xA0A0; - __asm__ __volatile__(" sync\n "); - - *((vu_short *)dest) = (ushort)data; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* data polling for D7 */ - start = get_timer (0); - while (*(vu_short *)dest != (ushort)data) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - return (1); - } - } - dest -= 2; - data >>= 16; - } - return (0); -} - -/*----------------------------------------------------------------------- - */ diff --git a/board/sacsng/ioconfig.h b/board/sacsng/ioconfig.h deleted file mode 100644 index ac8f152e..0000000 --- a/board/sacsng/ioconfig.h +++ /dev/null @@ -1,217 +0,0 @@ -/* - * I/O Port configuration table - * - * If conf is 1, then that port pin will be configured at boot time - * according to the five values podr/pdir/ppar/psor/pdat for that entry - */ - -#ifdef SKIP -#undef SKIP -#endif - -#ifdef CONF -#undef CONF -#endif - -#ifdef DIN -#undef DIN -#endif - -#ifdef DOUT -#undef DOUT -#endif - -#ifdef GPIO -#undef GPIO -#endif - -#ifdef SPEC -#undef SPEC -#endif - -#ifdef ACTV -#undef ACTV -#endif - -#ifdef OPEN -#undef OPEN -#endif - -#define SKIP 0 /* SKIP over this port */ -#define CONF 1 /* CONFiguration the port */ - -#define DIN 0 /* PDIRx 0: Direction IN */ -#define DOUT 1 /* PDIRx 1: Direction OUT */ - -#define GPIO 0 /* PPARx 0: General Purpose I/O */ -#define SPEC 1 /* PPARx 1: dedicated to a peripheral function, */ - /* i.e. the port has a SPECial use. */ - -#define ACTV 0 /* PODRx 0: ACTiVely driven as an output */ -#define OPEN 1 /* PODRx 1: OPEN-drain driver */ - -const iop_conf_t iop_conf_tab[4][32] = { - - /* Port A configuration */ - { /* conf ppar psor pdir podr pdat */ - /* PA31 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* RODIS8* */ - /* PA30 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* RODIS7* */ - /* PA29 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* RODIS6* */ - /* PA28 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* RODIS5* */ - /* PA27 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* RODIS4* */ - /* PA26 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* RODIS3* */ - /* PA25 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* RODIS2* */ - /* PA24 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* RODIS1* */ - /* PA23 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* ODIS_EN* */ - /* PA22 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* STLED2_EN* */ - /* PA21 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* STLED1_EN* */ - /* PA20 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* PLED3_EN* */ - /* PA19 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* PLED2_EN* */ - /* PA18 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* PLED1_EN* */ - /* PA17 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PA16 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* DAC_RST* */ - /* PA15 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* CH34SDATA_PU */ - /* PA14 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* CH12SDATA_PU */ - /* PA13 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* SLRCLK_EN* */ - /* PA12 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* MTRX_4ACDC* */ - /* PA11 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* MTRX_4TEDS* */ - /* PA10 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* MTRX_4XTDS* */ - /* PA9 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* MTRX_3ACDC* */ - /* PA8 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* MTRX_3TEDS* */ - /* PA7 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* MTRX_3XTDS* */ - /* PA6 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* MTRX_2ACDC* */ - /* PA5 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* MTRX_2TEDS* */ - /* PA4 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* MTRX_2XTDS* */ - /* PA3 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PA2 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* MTRX_1ACDC* */ - /* PA1 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* MTRX_1TEDS* */ - /* PA0 */ { CONF, GPIO, 0, DOUT, ACTV, 1 } /* MTRX_1XTDS* */ - }, - - /* Port B configuration */ - { /* conf ppar psor pdir podr pdat */ - /* PB31 */ { CONF, SPEC, 0, DOUT, ACTV, 0 }, /* FCC2 MII_TX_ER */ - /* PB30 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* FCC2 MII_RX_DV */ - /* PB29 */ { CONF, SPEC, 1, DOUT, ACTV, 0 }, /* FCC2 MII_TX_EN */ - /* PB28 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* FCC2 MII_RX_ER */ - /* PB27 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* FCC2 MII_COL */ - /* PB26 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* FCC2 MII_CRS */ - /* PB25 */ { CONF, SPEC, 0, DOUT, ACTV, 0 }, /* FCC2 MII_TXD3 */ - /* PB24 */ { CONF, SPEC, 0, DOUT, ACTV, 0 }, /* FCC2 MII_TXD2 */ - /* PB23 */ { CONF, SPEC, 0, DOUT, ACTV, 0 }, /* FCC2 MII_TXD1 */ - /* PB22 */ { CONF, SPEC, 0, DOUT, ACTV, 0 }, /* FCC2 MII_TXD0 */ - /* PB21 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* FCC2 MII_RXD0 */ - /* PB20 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* FCC2 MII_RXD1 */ - /* PB19 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* FCC2 MII_RXD2 */ - /* PB18 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* FCC2 MII_RXD3 */ - /* PB17 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PB16 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PB15 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PB14 */ { CONF, SPEC, 1, DIN, ACTV, 0 }, /* L1RXDC1, BSDATA_ADC12 */ - /* PB13 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PB12 */ { CONF, SPEC, 1, DIN, ACTV, 0 }, /* L1RSYNCC1, LRCLK */ - /* PB11 */ { CONF, SPEC, 1, DIN, ACTV, 0 }, /* L1TXDD1, RSDATA_DAC12 */ - /* PB10 */ { CONF, SPEC, 1, DIN, ACTV, 0 }, /* L1RXDD1, BSDATA_ADC34 */ - /* PB9 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PB8 */ { CONF, SPEC, 1, DIN, ACTV, 0 }, /* L1RSYNCD1, LRCLK */ - /* PB7 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PB6 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* XCITE_SHDN */ - /* PB5 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* TRIGGER */ - /* PB4 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* ARM */ - /* PB3 */ { SKIP, GPIO, 0, DIN, ACTV, 0 }, /* pin doesn't exist */ - /* PB2 */ { SKIP, GPIO, 0, DIN, ACTV, 0 }, /* pin doesn't exist */ - /* PB1 */ { SKIP, GPIO, 0, DIN, ACTV, 0 }, /* pin doesn't exist */ - /* PB0 */ { SKIP, GPIO, 0, DIN, ACTV, 0 } /* pin doesn't exist */ - }, - - /* Port C */ - { /* conf ppar psor pdir podr pdat */ - /* PC31 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PC30 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PC29 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* CLK3, MCLK */ - /* PC28 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* TOUT2* */ -#ifdef QQQ - /* PC28 */ { CONF, SPEC, 0, DOUT, ACTV, 0 }, /* TOUT2* */ -#endif - /* PC27 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* CLK5, SCLK */ - /* PC26 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PC25 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* CLK7, SCLK */ - /* PC24 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PC23 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* CLK9, MCLK */ - /* PC22 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PC21 */ { CONF, SPEC, 0, DOUT, ACTV, 0 }, /* BRGO6 (LRCLK) */ - /* PC20 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PC19 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* CLK13, MII_RXCLK */ - /* PC18 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* CLK14, MII_TXCLK */ - /* PC17 */ { CONF, SPEC, 0, DOUT, ACTV, 0 }, /* BRGO8 (SCLK) */ - /* PC16 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PC15 */ { CONF, SPEC, 0, DOUT, ACTV, 0 }, /* SMC2_TX */ - /* PC14 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PC13 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PC12 */ { CONF, SPEC, 0, DOUT, ACTV, 0 }, /* TDM_STRB3 */ - /* PC11 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PC10 */ { CONF, SPEC, 1, DOUT, ACTV, 0 }, /* TDM_STRB4 */ - /* PC9 */ { CONF, GPIO, 0, DIN, ACTV, 0 }, /* BPDIS_IN3 */ - /* PC8 */ { CONF, GPIO, 0, DIN, ACTV, 0 }, /* BPDIS_IN2 */ - /* PC7 */ { CONF, GPIO, 0, DIN, ACTV, 0 }, /* BPDIS_IN1 */ - /* PC6 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PC5 */ { CONF, GPIO, 0, DIN, ACTV, 0 }, /* BTST_IN2* */ - /* PC4 */ { CONF, GPIO, 0, DIN, ACTV, 0 }, /* BTST_IN1* */ - /* PC3 */ { CONF, GPIO, 0, DIN, ACTV, 0 }, /* MUSH_STAT */ - /* PC2 */ { CONF, GPIO, 0, DIN, ACTV, 0 }, /* OUTDRV_STAT */ - /* PC1 */ { CONF, GPIO, 0, DOUT, OPEN, 1 }, /* PHY_MDIO */ - /* PC0 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* PHY_MDC */ - }, - - /* Port D */ - { /* conf ppar psor pdir podr pdat */ - /* PD31 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* SCC1_RX */ - /* PD30 */ { CONF, SPEC, 1, DOUT, ACTV, 0 }, /* SCC1_TX */ - /* PD29 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PD28 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PD27 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PD26 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PD25 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PD24 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PD23 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PD22 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PD21 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PD20 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* SPI_ADC_CS* */ - /* PD19 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* SPI_DAC_CS* */ -#if defined(CONFIG_SOFT_SPI) - /* PD18 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* SPI_CLK */ - /* PD17 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* SPI_MOSI */ - /* PD16 */ { CONF, GPIO, 0, DIN, ACTV, 0 }, /* SPI_MISO */ -#else - /* PD18 */ { CONF, SPEC, 1, DOUT, ACTV, 0 }, /* SPI_CLK */ - /* PD17 */ { CONF, SPEC, 1, DOUT, ACTV, 0 }, /* SPI_MOSI */ - /* PD16 */ { CONF, SPEC, 1, DIN, ACTV, 0 }, /* SPI_MISO */ -#endif -#if defined(CONFIG_SYS_I2C_SOFT) - /* PD15 */ { CONF, GPIO, 0, DOUT, OPEN, 1 }, /* I2C_SDA */ - /* PD14 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* I2C_SCL */ -#else -#if defined(CONFIG_HARD_I2C) - /* PD15 */ { CONF, SPEC, 1, DIN, OPEN, 0 }, /* I2C_SDA */ - /* PD14 */ { CONF, SPEC, 1, DIN, OPEN, 0 }, /* I2C_SCL */ -#else /* normal I/O port pins */ - /* PD15 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* I2C_SDA */ - /* PD14 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* I2C_SCL */ -#endif -#endif - /* PD13 */ { CONF, SPEC, 0, DOUT, ACTV, 0 }, /* TDM_STRB1 */ - /* PD12 */ { CONF, SPEC, 0, DOUT, ACTV, 0 }, /* TDM_STRB2 */ - /* PD11 */ { CONF, GPIO, 0, DOUT, ACTV, 0 }, /* N/C */ - /* PD10 */ { CONF, SPEC, 1, DOUT, ACTV, 0 }, /* BRGO4 (MCLK) */ - /* PD9 */ { CONF, SPEC, 0, DOUT, ACTV, 0 }, /* SMC1_TX */ - /* PD8 */ { CONF, SPEC, 0, DIN, ACTV, 0 }, /* SMC1_RX */ - /* PD7 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* N/C */ - /* PD6 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* N/C */ - /* PD5 */ { CONF, GPIO, 0, DOUT, ACTV, 1 }, /* N/C */ - /* PD4 */ { CONF, SPEC, 1, DOUT, ACTV, 1 }, /* SMC2_RX */ - /* PD3 */ { SKIP, GPIO, 0, DIN, ACTV, 0 }, /* pin doesn't exist */ - /* PD2 */ { SKIP, GPIO, 0, DIN, ACTV, 0 }, /* pin doesn't exist */ - /* PD1 */ { SKIP, GPIO, 0, DIN, ACTV, 0 }, /* pin doesn't exist */ - /* PD0 */ { SKIP, GPIO, 0, DIN, ACTV, 0 } /* pin doesn't exist */ - } -}; diff --git a/board/sacsng/sacsng.c b/board/sacsng/sacsng.c deleted file mode 100644 index 91c4987..0000000 --- a/board/sacsng/sacsng.c +++ /dev/null @@ -1,848 +0,0 @@ -/* - * (C) Copyright 2002 - * Custom IDEAS, Inc. <www.cideas.com> - * Gerald Van Baren <vanbaren@cideas.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/u-boot.h> -#include <ioports.h> -#include <mpc8260.h> -#include <i2c.h> -#include <spi.h> -#include <command.h> - -#ifdef CONFIG_SHOW_BOOT_PROGRESS -#include <status_led.h> -#endif - -#ifdef CONFIG_ETHER_LOOPBACK_TEST -extern void eth_loopback_test(void); -#endif /* CONFIG_ETHER_LOOPBACK_TEST */ - -#include "clkinit.h" -#include "ioconfig.h" /* I/O configuration table */ - -/* - * PBI Page Based Interleaving - * PSDMR_PBI page based interleaving - * 0 bank based interleaving - * External Address Multiplexing (EAMUX) adds a clock to address cycles - * (this can help with marginal board layouts) - * PSDMR_EAMUX adds a clock - * 0 no extra clock - * Buffer Command (BUFCMD) adds a clock to command cycles. - * PSDMR_BUFCMD adds a clock - * 0 no extra clock - */ -#define CONFIG_PBI PSDMR_PBI -#define PESSIMISTIC_SDRAM 0 -#define EAMUX 0 /* EST requires EAMUX */ -#define BUFCMD 0 - -/* - * ADC/DAC Defines: - */ -#define INITIAL_SAMPLE_RATE 10016 /* Initial Daq sample rate */ -#define INITIAL_RIGHT_JUST 0 /* Initial DAC right justification */ -#define INITIAL_MCLK_DIVIDE 0 /* Initial MCLK Divide */ -#define INITIAL_SAMPLE_64X 1 /* Initial 64x clocking mode */ -#define INITIAL_SAMPLE_128X 0 /* Initial 128x clocking mode */ - -/* - * ADC Defines: - */ -#define I2C_ADC_1_ADDR 0x0E /* I2C Address of the ADC #1 */ -#define I2C_ADC_2_ADDR 0x0F /* I2C Address of the ADC #2 */ - -#define ADC_SDATA1_MASK 0x00020000 /* PA14 - CH12SDATA_PU */ -#define ADC_SDATA2_MASK 0x00010000 /* PA15 - CH34SDATA_PU */ - -#define ADC_VREF_CAP 100 /* VREF capacitor in uF */ -#define ADC_INITIAL_DELAY (10 * ADC_VREF_CAP) /* 10 usec per uF, in usec */ -#define ADC_SDATA_DELAY 100 /* ADC SDATA release delay in usec */ -#define ADC_CAL_DELAY (1000000 / INITIAL_SAMPLE_RATE * 4500) - /* Wait at least 4100 LRCLK's */ - -#define ADC_REG1_FRAME_START 0x80 /* Frame start */ -#define ADC_REG1_GROUND_CAL 0x40 /* Ground calibration enable */ -#define ADC_REG1_ANA_MOD_PDOWN 0x20 /* Analog modulator section in power down */ -#define ADC_REG1_DIG_MOD_PDOWN 0x10 /* Digital modulator section in power down */ - -#define ADC_REG2_128x 0x80 /* Oversample at 128x */ -#define ADC_REG2_CAL 0x40 /* System calibration enable */ -#define ADC_REG2_CHANGE_SIGN 0x20 /* Change sign enable */ -#define ADC_REG2_LR_DISABLE 0x10 /* Left/Right output disable */ -#define ADC_REG2_HIGH_PASS_DIS 0x08 /* High pass filter disable */ -#define ADC_REG2_SLAVE_MODE 0x04 /* Slave mode */ -#define ADC_REG2_DFS 0x02 /* Digital format select */ -#define ADC_REG2_MUTE 0x01 /* Mute */ - -#define ADC_REG7_ADDR_ENABLE 0x80 /* Address enable */ -#define ADC_REG7_PEAK_ENABLE 0x40 /* Peak enable */ -#define ADC_REG7_PEAK_UPDATE 0x20 /* Peak update */ -#define ADC_REG7_PEAK_FORMAT 0x10 /* Peak display format */ -#define ADC_REG7_DIG_FILT_PDOWN 0x04 /* Digital filter power down enable */ -#define ADC_REG7_FIR2_IN_EN 0x02 /* External FIR2 input enable */ -#define ADC_REG7_PSYCHO_EN 0x01 /* External pyscho filter input enable */ - -/* - * DAC Defines: - */ - -#define I2C_DAC_ADDR 0x11 /* I2C Address of the DAC */ - -#define DAC_RST_MASK 0x00008000 /* PA16 - DAC_RST* */ -#define DAC_RESET_DELAY 100 /* DAC reset delay in usec */ -#define DAC_INITIAL_DELAY 5000 /* DAC initialization delay in usec */ - -#define DAC_REG1_AMUTE 0x80 /* Auto-mute */ - -#define DAC_REG1_LEFT_JUST_24_BIT (0 << 4) /* Fmt 0: Left justified 24 bit */ -#define DAC_REG1_I2S_24_BIT (1 << 4) /* Fmt 1: I2S up to 24 bit */ -#define DAC_REG1_RIGHT_JUST_16BIT (2 << 4) /* Fmt 2: Right justified 16 bit */ -#define DAC_REG1_RIGHT_JUST_24BIT (3 << 4) /* Fmt 3: Right justified 24 bit */ -#define DAC_REG1_RIGHT_JUST_20BIT (4 << 4) /* Fmt 4: Right justified 20 bit */ -#define DAC_REG1_RIGHT_JUST_18BIT (5 << 4) /* Fmt 5: Right justified 18 bit */ - -#define DAC_REG1_DEM_NO (0 << 2) /* No De-emphasis */ -#define DAC_REG1_DEM_44KHZ (1 << 2) /* 44.1KHz De-emphasis */ -#define DAC_REG1_DEM_48KHZ (2 << 2) /* 48KHz De-emphasis */ -#define DAC_REG1_DEM_32KHZ (3 << 2) /* 32KHz De-emphasis */ - -#define DAC_REG1_SINGLE 0 /* 4- 50KHz sample rate */ -#define DAC_REG1_DOUBLE 1 /* 50-100KHz sample rate */ -#define DAC_REG1_QUAD 2 /* 100-200KHz sample rate */ -#define DAC_REG1_DSD 3 /* Direct Stream Data, DSD */ - -#define DAC_REG5_INVERT_A 0x80 /* Invert channel A */ -#define DAC_REG5_INVERT_B 0x40 /* Invert channel B */ -#define DAC_REG5_I2C_MODE 0x20 /* Control port (I2C) mode */ -#define DAC_REG5_POWER_DOWN 0x10 /* Power down mode */ -#define DAC_REG5_MUTEC_A_B 0x08 /* Mutec A=B */ -#define DAC_REG5_FREEZE 0x04 /* Freeze */ -#define DAC_REG5_MCLK_DIV 0x02 /* MCLK divide by 2 */ -#define DAC_REG5_RESERVED 0x01 /* Reserved */ - -/* - * Check Board Identity: - */ - -int checkboard(void) -{ - printf("SACSng\n"); - - return 0; -} - -phys_size_t initdram(int board_type) -{ - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; - volatile memctl8260_t *memctl = &immap->im_memctl; - volatile uchar c = 0; - volatile uchar *ramaddr = (uchar *)(CONFIG_SYS_SDRAM_BASE + 0x8); - uint psdmr = CONFIG_SYS_PSDMR; - int i; - uint psrt = 14; /* for no SPD */ - uint chipselects = 1; /* for no SPD */ - uint sdram_size = CONFIG_SYS_SDRAM0_SIZE * 1024 * 1024; /* for no SPD */ - uint or = CONFIG_SYS_OR2_PRELIM; /* for no SPD */ - -#ifdef SDRAM_SPD_ADDR - uint data_width; - uint rows; - uint banks; - uint cols; - uint caslatency; - uint width; - uint rowst; - uint sdam; - uint bsma; - uint sda10; - u_char data; - u_char cksum; - int j; -#endif - -#ifdef SDRAM_SPD_ADDR - /* Keep the compiler from complaining about potentially uninitialized vars */ - data_width = chipselects = rows = banks = cols = caslatency = psrt = - 0; - - /* - * Read the SDRAM SPD EEPROM via I2C. - */ - i2c_read(SDRAM_SPD_ADDR, 0, 1, &data, 1); - cksum = data; - for (j = 1; j < 64; j++) { /* read only the checksummed bytes */ - /* note: the I2C address autoincrements when alen == 0 */ - i2c_read(SDRAM_SPD_ADDR, 0, 0, &data, 1); - if (j == 5) - chipselects = data & 0x0F; - else if (j == 6) - data_width = data; - else if (j == 7) - data_width |= data << 8; - else if (j == 3) - rows = data & 0x0F; - else if (j == 4) - cols = data & 0x0F; - else if (j == 12) { - /* - * Refresh rate: this assumes the prescaler is set to - * approximately 1uSec per tick. - */ - switch (data & 0x7F) { - default: - case 0: - psrt = 14; /* 15.625uS */ - break; - case 1: - psrt = 2; /* 3.9uS */ - break; - case 2: - psrt = 6; /* 7.8uS */ - break; - case 3: - psrt = 29; /* 31.3uS */ - break; - case 4: - psrt = 60; /* 62.5uS */ - break; - case 5: - psrt = 120; /* 125uS */ - break; - } - } else if (j == 17) - banks = data; - else if (j == 18) { - caslatency = 3; /* default CL */ -#if(PESSIMISTIC_SDRAM) - if ((data & 0x04) != 0) - caslatency = 3; - else if ((data & 0x02) != 0) - caslatency = 2; - else if ((data & 0x01) != 0) - caslatency = 1; -#else - if ((data & 0x01) != 0) - caslatency = 1; - else if ((data & 0x02) != 0) - caslatency = 2; - else if ((data & 0x04) != 0) - caslatency = 3; -#endif - else { - printf("WARNING: Unknown CAS latency 0x%02X, using 3\n", data); - } - } else if (j == 63) { - if (data != cksum) { - printf("WARNING: Configuration data checksum failure:" " is 0x%02x, calculated 0x%02x\n", data, cksum); - } - } - cksum += data; - } - - /* We don't trust CL less than 2 (only saw it on an old 16MByte DIMM) */ - if (caslatency < 2) { - printf("WARNING: CL was %d, forcing to 2\n", caslatency); - caslatency = 2; - } - if (rows > 14) { - printf("WARNING: This doesn't look good, rows = %d, should be <= 14\n", - rows); - rows = 14; - } - if (cols > 11) { - printf("WARNING: This doesn't look good, columns = %d, should be <= 11\n", - cols); - cols = 11; - } - - if ((data_width != 64) && (data_width != 72)) { - printf("WARNING: SDRAM width unsupported, is %d, expected 64 or 72.\n", - data_width); - } - width = 3; /* 2^3 = 8 bytes = 64 bits wide */ - /* - * Convert banks into log2(banks) - */ - if (banks == 2) - banks = 1; - else if (banks == 4) - banks = 2; - else if (banks == 8) - banks = 3; - - sdram_size = 1 << (rows + cols + banks + width); - -#if(CONFIG_PBI == 0) /* bank-based interleaving */ - rowst = ((32 - 6) - (rows + cols + width)) * 2; -#else - rowst = 32 - (rows + banks + cols + width); -#endif - - or = ~(sdram_size - 1) | /* SDAM address mask */ - ((banks - 1) << 13) | /* banks per device */ - (rowst << 9) | /* rowst */ - ((rows - 9) << 6); /* numr */ - - memctl->memc_or2 = or; - - /* - * SDAM specifies the number of columns that are multiplexed - * (reference AN2165/D), defined to be (columns - 6) for page - * interleave, (columns - 8) for bank interleave. - * - * BSMA is 14 - max(rows, cols). The bank select lines come - * into play above the highest "address" line going into the - * the SDRAM. - */ -#if(CONFIG_PBI == 0) /* bank-based interleaving */ - sdam = cols - 8; - bsma = ((31 - width) - 14) - ((rows > cols) ? rows : cols); - sda10 = sdam + 2; -#else - sdam = cols - 6; - bsma = ((31 - width) - 14) - ((rows > cols) ? rows : cols); - sda10 = sdam; -#endif -#if(PESSIMISTIC_SDRAM) - psdmr = (CONFIG_PBI | PSDMR_RFEN | PSDMR_RFRC_16_CLK | - PSDMR_PRETOACT_8W | PSDMR_ACTTORW_8W | PSDMR_WRC_4C | - PSDMR_EAMUX | PSDMR_BUFCMD) | caslatency | - ((caslatency - 1) << 6) | /* LDOTOPRE is CL - 1 */ - (sdam << 24) | (bsma << 21) | (sda10 << 18); -#else - psdmr = (CONFIG_PBI | PSDMR_RFEN | PSDMR_RFRC_7_CLK | - PSDMR_PRETOACT_3W | /* 1 for 7E parts (fast PC-133) */ - PSDMR_ACTTORW_2W | /* 1 for 7E parts (fast PC-133) */ - PSDMR_WRC_1C | /* 1 clock + 7nSec */ - EAMUX | BUFCMD) | - caslatency | ((caslatency - 1) << 6) | /* LDOTOPRE is CL - 1 */ - (sdam << 24) | (bsma << 21) | (sda10 << 18); -#endif -#endif - - /* - * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35): - * - * "At system reset, initialization software must set up the - * programmable parameters in the memory controller banks registers - * (ORx, BRx, P/LSDMR). After all memory parameters are configured, - * system software should execute the following initialization sequence - * for each SDRAM device. - * - * 1. Issue a PRECHARGE-ALL-BANKS command - * 2. Issue eight CBR REFRESH commands - * 3. Issue a MODE-SET command to initialize the mode register - * - * Quote from Micron MT48LC8M16A2 data sheet: - * - * "...the SDRAM requires a 100uS delay prior to issuing any - * command other than a COMMAND INHIBIT or NOP. Starting at some - * point during this 100uS period and continuing at least through - * the end of this period, COMMAND INHIBIT or NOP commands should - * be applied." - * - * "Once the 100uS delay has been satisfied with at least one COMMAND - * INHIBIT or NOP command having been applied, a /PRECHARGE command/ - * should be applied. All banks must then be precharged, thereby - * placing the device in the all banks idle state." - * - * "Once in the idle state, /two/ AUTO REFRESH cycles must be - * performed. After the AUTO REFRESH cycles are complete, the - * SDRAM is ready for mode register programming." - * - * (/emphasis/ mine, gvb) - * - * The way I interpret this, Micron start up sequence is: - * 1. Issue a PRECHARGE-BANK command (initial precharge) - * 2. Issue a PRECHARGE-ALL-BANKS command ("all banks ... precharged") - * 3. Issue two (presumably, doing eight is OK) CBR REFRESH commands - * 4. Issue a MODE-SET command to initialize the mode register - * - * -------- - * - * The initial commands are executed by setting P/LSDMR[OP] and - * accessing the SDRAM with a single-byte transaction." - * - * The appropriate BRx/ORx registers have already been set when we - * get here. The SDRAM can be accessed at the address CONFIG_SYS_SDRAM_BASE. - */ - - memctl->memc_mptpr = CONFIG_SYS_MPTPR; - memctl->memc_psrt = psrt; - - memctl->memc_psdmr = psdmr | PSDMR_OP_PREA; - *ramaddr = c; - - memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR; - for (i = 0; i < 8; i++) - *ramaddr = c; - - memctl->memc_psdmr = psdmr | PSDMR_OP_MRW; - *ramaddr = c; - - memctl->memc_psdmr = psdmr | PSDMR_OP_NORM | PSDMR_RFEN; - *ramaddr = c; - - /* - * Do it a second time for the second set of chips if the DIMM has - * two chip selects (double sided). - */ - if (chipselects > 1) { - ramaddr += sdram_size; - - memctl->memc_br3 = CONFIG_SYS_BR3_PRELIM + sdram_size; - memctl->memc_or3 = or; - - memctl->memc_psdmr = psdmr | PSDMR_OP_PREA; - *ramaddr = c; - - memctl->memc_psdmr = psdmr | PSDMR_OP_CBRR; - for (i = 0; i < 8; i++) - *ramaddr = c; - - memctl->memc_psdmr = psdmr | PSDMR_OP_MRW; - *ramaddr = c; - - memctl->memc_psdmr = psdmr | PSDMR_OP_NORM | PSDMR_RFEN; - *ramaddr = c; - } - - /* return total ram size */ - return (sdram_size * chipselects); -} - -/*----------------------------------------------------------------------- - * Board Control Functions - */ -void board_poweroff(void) -{ - while (1); /* hang forever */ -} - - -#ifdef CONFIG_MISC_INIT_R -/* ------------------------------------------------------------------------- */ -int misc_init_r(void) -{ - /* - * Note: iop is used by the I2C macros, and iopa by the ADC/DAC initialization. - */ - volatile ioport_t *iopa = - ioport_addr((immap_t *)CONFIG_SYS_IMMR, 0 /* port A */ ); - volatile ioport_t *iop = - ioport_addr((immap_t *)CONFIG_SYS_IMMR, I2C_PORT); - - int reg; /* I2C register value */ - char *ep; /* Environment pointer */ - char str_buf[12]; /* sprintf output buffer */ - int sample_rate; /* ADC/DAC sample rate */ - int sample_64x; /* Use 64/4 clocking for the ADC/DAC */ - int sample_128x; /* Use 128/4 clocking for the ADC/DAC */ - int right_just; /* Is the data to the DAC right justified? */ - int mclk_divide; /* MCLK Divide */ - int quiet; /* Quiet or minimal output mode */ - - quiet = 0; - - if ((ep = getenv("quiet")) != NULL) - quiet = simple_strtol(ep, NULL, 10); - else - setenv("quiet", "0"); - - /* - * SACSng custom initialization: - * Start the ADC and DAC clocks, since the Crystal parts do not - * work on the I2C bus until the clocks are running. - */ - - sample_rate = INITIAL_SAMPLE_RATE; - if ((ep = getenv("DaqSampleRate")) != NULL) - sample_rate = simple_strtol(ep, NULL, 10); - - sample_64x = INITIAL_SAMPLE_64X; - sample_128x = INITIAL_SAMPLE_128X; - if ((ep = getenv("Daq64xSampling")) != NULL) { - sample_64x = simple_strtol(ep, NULL, 10); - if (sample_64x) - sample_128x = 0; - else - sample_128x = 1; - } else { - if ((ep = getenv("Daq128xSampling")) != NULL) { - sample_128x = simple_strtol(ep, NULL, 10); - if (sample_128x) - sample_64x = 0; - else - sample_64x = 1; - } - } - - /* - * Stop the clocks and wait for at least 1 LRCLK period - * to make sure the clocking has really stopped. - */ - Daq_Stop_Clocks(); - udelay((1000000 / sample_rate) * NUM_LRCLKS_TO_STABILIZE); - - /* - * Initialize the clocks with the new rates - */ - Daq_Init_Clocks(sample_rate, sample_64x); - sample_rate = Daq_Get_SampleRate(); - - /* - * Start the clocks and wait for at least 1 LRCLK period - * to make sure the clocking has become stable. - */ - Daq_Start_Clocks(sample_rate); - udelay((1000000 / sample_rate) * NUM_LRCLKS_TO_STABILIZE); - - sprintf(str_buf, "%d", sample_rate); - setenv("DaqSampleRate", str_buf); - - if (sample_64x) { - setenv("Daq64xSampling", "1"); - setenv("Daq128xSampling", NULL); - } else { - setenv("Daq64xSampling", NULL); - setenv("Daq128xSampling", "1"); - } - - /* - * Display the ADC/DAC clocking information - */ - if (!quiet) - Daq_Display_Clocks(); - - /* - * Determine the DAC data justification - */ - - right_just = INITIAL_RIGHT_JUST; - if ((ep = getenv("DaqDACRightJustified")) != NULL) - right_just = simple_strtol(ep, NULL, 10); - - sprintf(str_buf, "%d", right_just); - setenv("DaqDACRightJustified", str_buf); - - /* - * Determine the DAC MCLK Divide - */ - - mclk_divide = INITIAL_MCLK_DIVIDE; - if ((ep = getenv("DaqDACMClockDivide")) != NULL) - mclk_divide = simple_strtol(ep, NULL, 10); - - sprintf(str_buf, "%d", mclk_divide); - setenv("DaqDACMClockDivide", str_buf); - - /* - * Initializing the I2C address in the Crystal A/Ds: - * - * 1) Wait for VREF cap to settle (10uSec per uF) - * 2) Release pullup on SDATA - * 3) Write the I2C address to register 6 - * 4) Enable address matching by setting the MSB in register 7 - */ - - if (!quiet) - printf("Initializing the ADC...\n"); - - udelay(ADC_INITIAL_DELAY); /* 10uSec per uF of VREF cap */ - - iopa->pdat &= ~ADC_SDATA1_MASK; /* release SDATA1 */ - udelay(ADC_SDATA_DELAY); /* arbitrary settling time */ - - i2c_reg_write(0x00, 0x06, I2C_ADC_1_ADDR); /* set address */ - i2c_reg_write(I2C_ADC_1_ADDR, 0x07, /* turn on ADDREN */ - ADC_REG7_ADDR_ENABLE); - - i2c_reg_write(I2C_ADC_1_ADDR, 0x02, /* 128x, slave mode, !HPEN */ - (sample_64x ? 0 : ADC_REG2_128x) | - ADC_REG2_HIGH_PASS_DIS | ADC_REG2_SLAVE_MODE); - - reg = i2c_reg_read(I2C_ADC_1_ADDR, 0x06) & 0x7F; - if (reg != I2C_ADC_1_ADDR) { - printf("Init of ADC U10 failed: address is 0x%02X should be 0x%02X\n", - reg, I2C_ADC_1_ADDR); - } - - iopa->pdat &= ~ADC_SDATA2_MASK; /* release SDATA2 */ - udelay(ADC_SDATA_DELAY); /* arbitrary settling time */ - - /* set address (do not set ADDREN yet) */ - i2c_reg_write(0x00, 0x06, I2C_ADC_2_ADDR); - - i2c_reg_write(I2C_ADC_2_ADDR, 0x02, /* 64x, slave mode, !HPEN */ - (sample_64x ? 0 : ADC_REG2_128x) | - ADC_REG2_HIGH_PASS_DIS | ADC_REG2_SLAVE_MODE); - - reg = i2c_reg_read(I2C_ADC_2_ADDR, 0x06) & 0x7F; - if (reg != I2C_ADC_2_ADDR) { - printf("Init of ADC U15 failed: address is 0x%02X should be 0x%02X\n", - reg, I2C_ADC_2_ADDR); - } - - i2c_reg_write(I2C_ADC_1_ADDR, 0x01, /* set FSTART and GNDCAL */ - ADC_REG1_FRAME_START | ADC_REG1_GROUND_CAL); - - i2c_reg_write(I2C_ADC_1_ADDR, 0x02, /* Start calibration */ - (sample_64x ? 0 : ADC_REG2_128x) | - ADC_REG2_CAL | - ADC_REG2_HIGH_PASS_DIS | ADC_REG2_SLAVE_MODE); - - udelay(ADC_CAL_DELAY); /* a minimum of 4100 LRCLKs */ - i2c_reg_write(I2C_ADC_1_ADDR, 0x01, 0x00); /* remove GNDCAL */ - - /* - * Now that we have synchronized the ADC's, enable address - * selection on the second ADC as well as the first. - */ - i2c_reg_write(I2C_ADC_2_ADDR, 0x07, ADC_REG7_ADDR_ENABLE); - - /* - * Initialize the Crystal DAC - * - * Two of the config lines are used for I2C so we have to set them - * to the proper initialization state without inadvertantly - * sending an I2C "start" sequence. When we bring the I2C back to - * the normal state, we send an I2C "stop" sequence. - */ - if (!quiet) - printf("Initializing the DAC...\n"); - - /* - * Bring the I2C clock and data lines low for initialization - */ - I2C_SCL(0); - I2C_DELAY; - I2C_SDA(0); - I2C_ACTIVE; - I2C_DELAY; - - /* Reset the DAC */ - iopa->pdat &= ~DAC_RST_MASK; - udelay(DAC_RESET_DELAY); - - /* Release the DAC reset */ - iopa->pdat |= DAC_RST_MASK; - udelay(DAC_INITIAL_DELAY); - - /* - * Cause the DAC to: - * Enable control port (I2C mode) - * Going into power down - */ - i2c_reg_write(I2C_DAC_ADDR, 0x05, - DAC_REG5_I2C_MODE | DAC_REG5_POWER_DOWN); - - /* - * Cause the DAC to: - * Enable control port (I2C mode) - * Going into power down - * . MCLK divide by 1 - * . MCLK divide by 2 - */ - i2c_reg_write(I2C_DAC_ADDR, 0x05, - DAC_REG5_I2C_MODE | - DAC_REG5_POWER_DOWN | - (mclk_divide ? DAC_REG5_MCLK_DIV : 0)); - - /* - * Cause the DAC to: - * Auto-mute disabled - * . Format 0, left justified 24 bits - * . Format 3, right justified 24 bits - * No de-emphasis - * . Single speed mode - * . Double speed mode - */ - i2c_reg_write(I2C_DAC_ADDR, 0x01, - (right_just ? DAC_REG1_RIGHT_JUST_24BIT : - DAC_REG1_LEFT_JUST_24_BIT) | - DAC_REG1_DEM_NO | - (sample_rate >= - 50000 ? DAC_REG1_DOUBLE : DAC_REG1_SINGLE)); - - sprintf(str_buf, "%d", - sample_rate >= 50000 ? DAC_REG1_DOUBLE : DAC_REG1_SINGLE); - setenv("DaqDACFunctionalMode", str_buf); - - /* - * Cause the DAC to: - * Enable control port (I2C mode) - * Remove power down - * . MCLK divide by 1 - * . MCLK divide by 2 - */ - i2c_reg_write(I2C_DAC_ADDR, 0x05, - DAC_REG5_I2C_MODE | - (mclk_divide ? DAC_REG5_MCLK_DIV : 0)); - - /* - * Create a I2C stop condition: - * low->high on data while clock is high. - */ - I2C_SCL(1); - I2C_DELAY; - I2C_SDA(1); - I2C_DELAY; - I2C_TRISTATE; - - if (!quiet) - printf("\n"); -#ifdef CONFIG_ETHER_LOOPBACK_TEST - /* - * Run the Ethernet loopback test - */ - eth_loopback_test(); -#endif /* CONFIG_ETHER_LOOPBACK_TEST */ - -#ifdef CONFIG_SHOW_BOOT_PROGRESS - /* - * Turn off the RED fail LED now that we are up and running. - */ - status_led_set(STATUS_LED_RED, STATUS_LED_OFF); -#endif - - return 0; -} - -#ifdef CONFIG_SHOW_BOOT_PROGRESS -/* - * Show boot status: flash the LED if something goes wrong, indicating - * that last thing that worked and thus, by implication, what is broken. - * - * This stores the last OK value in RAM so this will not work properly - * before RAM is initialized. Since it is being used for indicating - * boot status (i.e. after RAM is initialized), that is OK. - */ -static void flash_code(uchar number, uchar modulo, uchar digits) -{ - int j; - - /* - * Recursively do upper digits. - */ - if (digits > 1) - flash_code(number / modulo, modulo, digits - 1); - - number = number % modulo; - - /* - * Zero is indicated by one long flash (dash). - */ - if (number == 0) { - status_led_set(STATUS_LED_BOOT, STATUS_LED_ON); - udelay(1000000); - status_led_set(STATUS_LED_BOOT, STATUS_LED_OFF); - udelay(200000); - } else { - /* - * Non-zero is indicated by short flashes, one per count. - */ - for (j = 0; j < number; j++) { - status_led_set(STATUS_LED_BOOT, STATUS_LED_ON); - udelay(100000); - status_led_set(STATUS_LED_BOOT, STATUS_LED_OFF); - udelay(200000); - } - } - /* - * Inter-digit pause: we've already waited 200 mSec, wait 1 sec total - */ - udelay(700000); -} - -static int last_boot_progress; - -void show_boot_progress(int status) -{ - int i, j; - - if (status > 0) { - last_boot_progress = status; - } else { - /* - * If a specific failure code is given, flash this code - * else just use the last success code we've seen - */ - if (status < -1) - last_boot_progress = -status; - - /* - * Flash this code 5 times - */ - for (j = 0; j < 5; j++) { - /* - * Houston, we have a problem. - * Blink the last OK status which indicates where things failed. - */ - status_led_set(STATUS_LED_RED, STATUS_LED_ON); - flash_code(last_boot_progress, 5, 3); - - /* - * Delay 5 seconds between repetitions, - * with the fault LED blinking - */ - for (i = 0; i < 5; i++) { - status_led_set(STATUS_LED_RED, - STATUS_LED_OFF); - udelay(500000); - status_led_set(STATUS_LED_RED, STATUS_LED_ON); - udelay(500000); - } - } - - /* - * Reset the board to retry initialization. - */ - do_reset(NULL, 0, 0, NULL); - } -} -#endif /* CONFIG_SHOW_BOOT_PROGRESS */ - - -/* - * The following are used to control the SPI chip selects for the SPI command. - */ -#if defined(CONFIG_CMD_SPI) - -#define SPI_ADC_CS_MASK 0x00000800 -#define SPI_DAC_CS_MASK 0x00001000 - -static const u32 cs_mask[] = { - SPI_ADC_CS_MASK, - SPI_DAC_CS_MASK, -}; - -int spi_cs_is_valid(unsigned int bus, unsigned int cs) -{ - return bus == 0 && cs < sizeof(cs_mask) / sizeof(cs_mask[0]); -} - -void spi_cs_activate(struct spi_slave *slave) -{ - volatile ioport_t *iopd = - ioport_addr((immap_t *) CONFIG_SYS_IMMR, 3 /* port D */ ); - - iopd->pdat &= ~cs_mask[slave->cs]; -} - -void spi_cs_deactivate(struct spi_slave *slave) -{ - volatile ioport_t *iopd = - ioport_addr((immap_t *) CONFIG_SYS_IMMR, 3 /* port D */ ); - - iopd->pdat |= cs_mask[slave->cs]; -} - -#endif - -#endif /* CONFIG_MISC_INIT_R */ |