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-rw-r--r--board/ronetix/pm9263/Makefile4
-rw-r--r--board/ronetix/pm9263/lowlevel_init.S279
-rw-r--r--board/ronetix/pm9263/pm9263.c23
3 files changed, 22 insertions, 284 deletions
diff --git a/board/ronetix/pm9263/Makefile b/board/ronetix/pm9263/Makefile
index 270abd8..ebc2adf 100644
--- a/board/ronetix/pm9263/Makefile
+++ b/board/ronetix/pm9263/Makefile
@@ -34,10 +34,6 @@ COBJS-y += pm9263.o
COBJS-y += led.o
COBJS-$(CONFIG_HAS_DATAFLASH) += partition.o
-ifndef CONFIG_SKIP_LOWLEVEL_INIT
-SOBJS-y := lowlevel_init.o
-endif
-
SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS-y) $(SOBJS-y))
SOBJS := $(addprefix $(obj),$(SOBJS-y))
diff --git a/board/ronetix/pm9263/lowlevel_init.S b/board/ronetix/pm9263/lowlevel_init.S
deleted file mode 100644
index c048c91..0000000
--- a/board/ronetix/pm9263/lowlevel_init.S
+++ /dev/null
@@ -1,279 +0,0 @@
-/*
- * Memory Setup stuff - taken from blob memsetup.S
- *
- * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
- * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
- *
- * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
- * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.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 <config.h>
-#include <version.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/at91_pmc.h>
-#include <asm/arch/at91_pio.h>
-#include <asm/arch/at91_rstc.h>
-#include <asm/arch/at91_wdt.h>
-#include <asm/arch/at91sam9_sdramc.h>
-#include <asm/arch/at91sam9_smc.h>
-#include <asm/arch/at91sam9263_matrix.h>
-
-_TEXT_BASE:
- .word TEXT_BASE
-
-.globl lowlevel_init
-.type lowlevel_init,function
-lowlevel_init:
-
- mov r5, pc /* r5 = POS1 + 4 current */
-POS1:
- ldr r0, =POS1 /* r0 = POS1 compile */
- ldr r2, _TEXT_BASE
- sub r0, r0, r2 /* r0 = POS1-_TEXT_BASE (POS1 relative) */
- sub r5, r5, r0 /* r0 = TEXT_BASE-1 */
- sub r5, r5, #4 /* r1 = text base - current */
-
- /* memory control configuration 1 */
- ldr r0, =SMRDATA
- ldr r2, =SMRDATA1
- ldr r1, _TEXT_BASE
- sub r0, r0, r1
- sub r2, r2, r1
- add r0, r0, r5
- add r2, r2, r5
-0:
- /* the address */
- ldr r1, [r0], #4
- /* the value */
- ldr r3, [r0], #4
- str r3, [r1]
- cmp r2, r0
- bne 0b
-
-/* ----------------------------------------------------------------------------
- * PMC Init Step 1.
- * ----------------------------------------------------------------------------
- * - Check if the PLL is already initialized
- * ----------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_PMC_MCKR)
- ldr r0, [r1]
- and r0, r0, #3
- cmp r0, #0
- bne PLL_setup_end
-
-/* ---------------------------------------------------------------------------
- * - Enable the Main Oscillator
- * ---------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_CKGR_MOR)
- ldr r2, =(AT91_BASE_SYS + AT91_PMC_SR)
- ldr r0, =0x0000FF01
- str r0, [r1] /* Enable main oscillator, OSCOUNT = 0xFF */
-
- /* Reading the PMC Status to detect when the Main Oscillator is enabled */
- mov r4, #AT91_PMC_MOSCS
-MOSCS_Loop:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_MOSCS
- bne MOSCS_Loop
-
-/* ----------------------------------------------------------------------------
- * PMC Init Step 2.
- * ----------------------------------------------------------------------------
- * Setup PLLA
- * ----------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_CKGR_PLLAR)
- ldr r0, =CONFIG_SYS_PLLAR_VAL
- str r0, [r1]
-
- /* Reading the PMC Status register to detect when the PLLA is locked */
- mov r4, #AT91_PMC_LOCKA
-MOSCS_Loop1:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_LOCKA
- bne MOSCS_Loop1
-
-/* ----------------------------------------------------------------------------
- * PMC Init Step 3.
- * ----------------------------------------------------------------------------
- * - Switch on the Main Oscillator 18.432 MHz
- * ----------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_PMC_MCKR)
-
- /* -Master Clock Controller register PMC_MCKR */
- ldr r0, =CONFIG_SYS_MCKR1_VAL
- str r0, [r1]
-
- /* Reading the PMC Status to detect when the Master clock is ready */
- mov r4, #AT91_PMC_MCKRDY
-MCKRDY_Loop:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_MCKRDY
- bne MCKRDY_Loop
-
- ldr r0, =CONFIG_SYS_MCKR2_VAL
- str r0, [r1]
-
- /* Reading the PMC Status to detect when the Master clock is ready */
- mov r4, #AT91_PMC_MCKRDY
-MCKRDY_Loop1:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_MCKRDY
- bne MCKRDY_Loop1
-
-PLL_setup_end:
-
-/* ----------------------------------------------------------------------------
- * - memory control configuration 2
- * ----------------------------------------------------------------------------
- */
- ldr r0, =(AT91_BASE_SYS + AT91_SDRAMC_TR)
- ldr r1, [r0]
- cmp r1, #0
- bne SDRAM_setup_end
-
- ldr r0, =SMRDATA1
- ldr r2, =SMRDATA2
- ldr r1, _TEXT_BASE
- sub r0, r0, r1
- sub r2, r2, r1
- add r0, r0, r5
- add r2, r2, r5
-
-2:
- /* the address */
- ldr r1, [r0], #4
- /* the value */
- ldr r3, [r0], #4
- str r3, [r1]
- cmp r2, r0
- bne 2b
-
-SDRAM_setup_end:
- /* everything is fine now */
- mov pc, lr
-
- .ltorg
-
-SMRDATA:
- .word (AT91_BASE_SYS + AT91_WDT_MR)
- .word CONFIG_SYS_WDTC_WDMR_VAL
-
- .word (AT91_BASE_SYS + AT91_PIOD + PIO_PDR)
- .word CONFIG_SYS_PIOD_PDR_VAL1
- .word (AT91_BASE_SYS + AT91_PIOD + PIO_PUDR)
- .word CONFIG_SYS_PIOD_PPUDR_VAL
- .word (AT91_BASE_SYS + AT91_PIOD + PIO_ASR)
- .word CONFIG_SYS_PIOD_PPUDR_VAL
-
- .word (AT91_BASE_SYS + AT91_MATRIX_EBI0CSA)
- .word CONFIG_SYS_MATRIX_EBI0CSA_VAL
- .word (AT91_BASE_SYS + AT91_MATRIX_EBI1CSA)
- .word CONFIG_SYS_MATRIX_EBI1CSA_VAL
-
- /* flash */
- .word (AT91_BASE_SYS + AT91_SMC_MODE(0))
- .word CONFIG_SYS_SMC0_CTRL0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC_CYCLE(0))
- .word CONFIG_SYS_SMC0_CYCLE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC_PULSE(0))
- .word CONFIG_SYS_SMC0_PULSE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC_SETUP(0))
- .word CONFIG_SYS_SMC0_SETUP0_VAL
-
- /* PSRAM */
- .word (AT91_BASE_SYS + AT91_SMC1_MODE(0))
- .word CONFIG_SYS_SMC1_CTRL0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC1_CYCLE(0))
- .word CONFIG_SYS_SMC1_CYCLE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC1_PULSE(0))
- .word CONFIG_SYS_SMC1_PULSE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC1_SETUP(0))
- .word CONFIG_SYS_SMC1_SETUP0_VAL
-
-SMRDATA1:
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
- .word CONFIG_SYS_SDRC_MR_VAL1
- .word (AT91_BASE_SYS + AT91_SDRAMC_TR)
- .word CONFIG_SYS_SDRC_TR_VAL1
- .word (AT91_BASE_SYS + AT91_SDRAMC_CR)
- .word CONFIG_SYS_SDRC_CR_VAL
- .word (AT91_BASE_SYS + AT91_SDRAMC_MDR)
- .word CONFIG_SYS_SDRC_MDR_VAL
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
- .word CONFIG_SYS_SDRC_MR_VAL2
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL1
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
- .word CONFIG_SYS_SDRC_MR_VAL3
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL2
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL3
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL4
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL5
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL6
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL7
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL8
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL9
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
- .word CONFIG_SYS_SDRC_MR_VAL4
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL10
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
- .word CONFIG_SYS_SDRC_MR_VAL5
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL11
- .word (AT91_BASE_SYS + AT91_SDRAMC_TR)
- .word CONFIG_SYS_SDRC_TR_VAL2
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL12
- /* User reset enable*/
- .word (AT91_BASE_SYS + AT91_RSTC_MR)
- .word CONFIG_SYS_RSTC_RMR_VAL
-#ifdef CONFIG_SYS_MATRIX_MCFG_REMAP
- /* MATRIX_MCFG - REMAP all masters */
- .word (AT91_BASE_SYS + AT91_MATRIX_MCFG0)
- .word 0x1FF
-#endif
-
-SMRDATA2:
- .word 0
diff --git a/board/ronetix/pm9263/pm9263.c b/board/ronetix/pm9263/pm9263.c
index d2598a0..29555f8 100644
--- a/board/ronetix/pm9263/pm9263.c
+++ b/board/ronetix/pm9263/pm9263.c
@@ -165,6 +165,27 @@ void lcd_disable(void)
static int pm9263_lcd_hw_psram_init(void)
{
volatile uint16_t x;
+ unsigned long csa;
+
+ /* Enable CS3 3.3v, no pull-ups */
+ csa = at91_sys_read(AT91_MATRIX_EBI1CSA);
+ at91_sys_write(AT91_MATRIX_EBI1CSA,
+ csa | AT91_MATRIX_EBI1_DBPUC |
+ AT91_MATRIX_EBI1_VDDIOMSEL_3_3V);
+
+ /* Configure SMC1 CS0 for PSRAM - 16-bit */
+ at91_sys_write(AT91_SMC1_SETUP(0),
+ AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) |
+ AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
+ at91_sys_write(AT91_SMC1_PULSE(0),
+ AT91_SMC_NWEPULSE_(7) | AT91_SMC_NCS_WRPULSE_(7) |
+ AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(7));
+ at91_sys_write(AT91_SMC1_CYCLE(0),
+ AT91_SMC_NWECYCLE_(8) | AT91_SMC_NRDCYCLE_(8));
+ at91_sys_write(AT91_SMC1_MODE(0),
+ AT91_SMC_DBW_16 |
+ AT91_SMC_PMEN |
+ AT91_SMC_PS_32);
/* setup PB29 as output */
at91_set_gpio_output(PSRAM_CRE_PIN, 1);
@@ -218,7 +239,7 @@ static int pm9263_lcd_hw_psram_init(void)
at91_sys_write( AT91_MATRIX_SCFG5, AT91_MATRIX_ARBT_FIXED_PRIORITY |
(AT91_MATRIX_FIXED_DEFMSTR & (5 << 18)) |
AT91_MATRIX_DEFMSTR_TYPE_FIXED |
- (AT91_MATRIX_SLOT_CYCLE & (0x80 << 0)));
+ (AT91_MATRIX_SLOT_CYCLE & (0xFF << 0)));
return 0;
}
generated by cgit v1.1 at 2024-11-16 09:17:21 +0000