> -----Original Message----- > From: Valentin Longchamp [mailto:valentin.longch...@keymile.com] > Sent: 07 June 2012 15:37 > To: prafu...@mavell.com > Cc: Valentin Longchamp; holger.bru...@keymile.com; u- > b...@lists.denx.de; Gerlando Falauto; Prafulla Wadaskar > Subject: [PATCH 02/20] arm/km: use correct kw_gpio function for > NAND/SPI switching > > This used to be done with registers direct access, which is not clear > and optimal. > > Signed-off-by: Valentin Longchamp <valentin.longch...@keymile.com> > Signed-off-by: Holger Brunck <holger.bru...@keymile.com> > cc: Gerlando Falauto <gerlando.fala...@keymile.com> > cc: Prafulla Wadaskar <prafu...@marvell.com> > --- > board/keymile/km_arm/km_arm.c | 53 +++++++++++++++++++++----------- > -------- > include/configs/km/km_arm.h | 1 + > 2 files changed, 29 insertions(+), 25 deletions(-) > > diff --git a/board/keymile/km_arm/km_arm.c > b/board/keymile/km_arm/km_arm.c > index ed12b5c..e4ae1fb 100644 > --- a/board/keymile/km_arm/km_arm.c > +++ b/board/keymile/km_arm/km_arm.c > @@ -247,15 +247,12 @@ int board_early_init_f(void) > kirkwood_mpp_conf(kwmpp_config, NULL); > > /* > - * The FLASH_GPIO_PIN switches between using a > + * The KM_FLASH_GPIO_PIN switches between using a > * NAND or a SPI FLASH. Set this pin on start > * to NAND mode. > */ > - tmp = readl(KW_GPIO0_BASE); > - writel(tmp | FLASH_GPIO_PIN , KW_GPIO0_BASE); > - tmp = readl(KW_GPIO0_BASE + 4); > - writel(tmp & (~FLASH_GPIO_PIN) , KW_GPIO0_BASE + 4); > - > + kw_gpio_set_valid(KM_FLASH_GPIO_PIN, 1); > + kw_gpio_direction_output(KM_FLASH_GPIO_PIN, 1); > #if defined(CONFIG_SOFT_I2C) > /* init the GPIO for I2C Bitbang driver */ > kw_gpio_set_valid(KM_KIRKWOOD_SDA_PIN, 1); > @@ -284,35 +281,41 @@ int board_init(void) > return 0; > } > > +int km_hw_spi_bus_claim(int on) > +{ > + int gpio_value = !on; > + > + if (on) { > + kwmpp_config[0] = MPP0_SPI_SCn; > + kwmpp_config[1] = MPP1_SPI_MOSI; > + kwmpp_config[2] = MPP2_SPI_SCK; > + kwmpp_config[3] = MPP3_SPI_MISO; > + } else { > + kwmpp_config[0] = MPP0_NF_IO2; > + kwmpp_config[1] = MPP1_NF_IO3; > + kwmpp_config[2] = MPP2_NF_IO4; > + kwmpp_config[3] = MPP3_NF_IO5; > + }
NACK... Regards.. Prafulla . . . _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
