From 7a11c7f9747240dc770954d320569596c0fbcb50 Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Fri, 12 Jun 2009 21:20:37 +0200 Subject: pm9263: lowlevel init update move PSRAM init to pm9263.c this will allow us after to make the nor lowlevel_init generic Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD --- board/ronetix/pm9263/lowlevel_init.S | 17 +---------------- board/ronetix/pm9263/pm9263.c | 21 +++++++++++++++++++++ 2 files changed, 22 insertions(+), 16 deletions(-) (limited to 'board/ronetix') diff --git a/board/ronetix/pm9263/lowlevel_init.S b/board/ronetix/pm9263/lowlevel_init.S index c048c9109..561722c70 100644 --- a/board/ronetix/pm9263/lowlevel_init.S +++ b/board/ronetix/pm9263/lowlevel_init.S @@ -194,12 +194,10 @@ SMRDATA: .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 CONFIG_SYS_SMC0_MODE0_VAL .word (AT91_BASE_SYS + AT91_SMC_CYCLE(0)) .word CONFIG_SYS_SMC0_CYCLE0_VAL @@ -210,19 +208,6 @@ SMRDATA: .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 diff --git a/board/ronetix/pm9263/pm9263.c b/board/ronetix/pm9263/pm9263.c index d2598a068..8ca71da9c 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); -- cgit v1.2.3