diff options
| -rw-r--r-- | board/ronetix/pm9263/lowlevel_init.S | 17 | ||||
| -rw-r--r-- | board/ronetix/pm9263/pm9263.c | 21 | ||||
| -rw-r--r-- | include/configs/pm9263.h | 10 |
3 files changed, 23 insertions, 25 deletions
diff --git a/board/ronetix/pm9263/lowlevel_init.S b/board/ronetix/pm9263/lowlevel_init.S index c048c91..561722c 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 d2598a0..8ca71da 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); diff --git a/include/configs/pm9263.h b/include/configs/pm9263.h index f0dbe81..5ebf286 100644 --- a/include/configs/pm9263.h +++ b/include/configs/pm9263.h @@ -67,8 +67,6 @@ #define CONFIG_SYS_PIOD_PPUDR_VAL 0xFFFF0000 /* EBI0_CSA, CS1 SDRAM, CS3 NAND Flash, 3.3V memories */ #define CONFIG_SYS_MATRIX_EBI0CSA_VAL 0x0001010A -/* EBI1_CSA, 3.3v, no pull-ups */ -#define CONFIG_SYS_MATRIX_EBI1CSA_VAL 0x00010100 /* SDRAM */ /* SDRAMC_MR Mode register */ @@ -100,13 +98,7 @@ #define CONFIG_SYS_SMC0_SETUP0_VAL 0x0A0A0A0A /* SMC_SETUP */ #define CONFIG_SYS_SMC0_PULSE0_VAL 0x0B0B0B0B /* SMC_PULSE */ #define CONFIG_SYS_SMC0_CYCLE0_VAL 0x00160016 /* SMC_CYCLE */ -#define CONFIG_SYS_SMC0_CTRL0_VAL 0x00161003 /* SMC_MODE */ - -/* setup SMC1, CS0 (PSRAM) - 16-bit */ -#define CONFIG_SYS_SMC1_SETUP0_VAL 0x00000000 /* SMC_SETUP */ -#define CONFIG_SYS_SMC1_PULSE0_VAL 0x07020707 /* SMC_PULSE */ -#define CONFIG_SYS_SMC1_CYCLE0_VAL 0x00080008 /* SMC_CYCLE */ -#define CONFIG_SYS_SMC1_CTRL0_VAL 0x31001000 /* SMC_MODE */ +#define CONFIG_SYS_SMC0_MODE0_VAL 0x00161003 /* SMC_MODE */ #define CONFIG_SYS_RSTC_RMR_VAL 0xA5000301 /* user reset enable */ |