[email protected] writes:
> From: Sandeep Paulraj <[email protected]>
>
> Patch adds support for the DM365 EVM.
> It also configures the PINMUX and INTMUX for EMAC.
>
> Signed-off-by: Sandeep Paulraj <[email protected]>
Thanks, pushing today after folding this nto the SoC support.
Kevin
> ---
> arch/arm/mach-davinci/board-dm365-evm.c | 66
> ++++++++++++++++++++++++++++++-
> 1 files changed, 64 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/mach-davinci/board-dm365-evm.c
> b/arch/arm/mach-davinci/board-dm365-evm.c
> index 08c2f12..9dda399 100644
> --- a/arch/arm/mach-davinci/board-dm365-evm.c
> +++ b/arch/arm/mach-davinci/board-dm365-evm.c
> @@ -19,12 +19,12 @@
> #include <linux/i2c.h>
> #include <linux/io.h>
> #include <linux/clk.h>
> -
> +#include <linux/i2c/at24.h>
> #include <asm/setup.h>
> #include <asm/mach-types.h>
> #include <asm/mach/arch.h>
> #include <asm/mach/map.h>
> -
> +#include <mach/mux.h>
> #include <mach/hardware.h>
> #include <mach/dm365.h>
> #include <mach/psc.h>
> @@ -34,14 +34,69 @@
> #include <mach/serial.h>
> #include <mach/common.h>
>
> +#define DM365_EVM_PHY_MASK (0x2)
> +#define DM365_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */
> +
> +static struct at24_platform_data eeprom_info = {
> + .byte_len = (256*1024) / 8,
> + .page_size = 64,
> + .flags = AT24_FLAG_ADDR16,
> + .setup = davinci_get_mac_addr,
> + .context = (void *)0x7f00,
> +};
> +
> +static struct i2c_board_info i2c_info[] = {
> + {
> + I2C_BOARD_INFO("24c256", 0x50),
> + .platform_data = &eeprom_info,
> + },
> +};
> +
> static struct davinci_i2c_platform_data i2c_pdata = {
> .bus_freq = 400 /* kHz */,
> .bus_delay = 0 /* usec */,
> };
>
> +static void dm365evm_emac_configure(void)
> +{
> + /*
> + * EMAC pins are multiplexed with GPIO and UART
> + * Further details are available at the DM365 ARM
> + * Subsystem Users Guide(sprufg5.pdf) pages 125 - 127
> + */
> + davinci_cfg_reg(DM365_EMAC_TX_EN);
> + davinci_cfg_reg(DM365_EMAC_TX_CLK);
> + davinci_cfg_reg(DM365_EMAC_COL);
> + davinci_cfg_reg(DM365_EMAC_TXD3);
> + davinci_cfg_reg(DM365_EMAC_TXD2);
> + davinci_cfg_reg(DM365_EMAC_TXD1);
> + davinci_cfg_reg(DM365_EMAC_TXD0);
> + davinci_cfg_reg(DM365_EMAC_RXD3);
> + davinci_cfg_reg(DM365_EMAC_RXD2);
> + davinci_cfg_reg(DM365_EMAC_RXD1);
> + davinci_cfg_reg(DM365_EMAC_RXD0);
> + davinci_cfg_reg(DM365_EMAC_RX_CLK);
> + davinci_cfg_reg(DM365_EMAC_RX_DV);
> + davinci_cfg_reg(DM365_EMAC_RX_ER);
> + davinci_cfg_reg(DM365_EMAC_CRS);
> + davinci_cfg_reg(DM365_EMAC_MDIO);
> + davinci_cfg_reg(DM365_EMAC_MDCLK);
> +
> + /*
> + * EMAC interrupts are multiplexed with GPIO interrupts
> + * Details are available at the DM365 ARM
> + * Subsystem Users Guide(sprufg5.pdf) pages 133 - 134
> + */
> + davinci_cfg_reg(DM365_INT_EMAC_RXTHRESH);
> + davinci_cfg_reg(DM365_INT_EMAC_RXPULSE);
> + davinci_cfg_reg(DM365_INT_EMAC_TXPULSE);
> + davinci_cfg_reg(DM365_INT_EMAC_MISCPULSE);
> +}
> +
> static void __init evm_init_i2c(void)
> {
> davinci_init_i2c(&i2c_pdata);
> + i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
> }
>
> static struct davinci_uart_config uart_config __initdata = {
> @@ -55,8 +110,15 @@ static void __init dm365_evm_map_io(void)
>
> static __init void dm365_evm_init(void)
> {
> + struct davinci_soc_info *soc_info = &davinci_soc_info;
> +
> evm_init_i2c();
> davinci_serial_init(&uart_config);
> +
> + dm365evm_emac_configure();
> +
> + soc_info->emac_pdata->phy_mask = DM365_EVM_PHY_MASK;
> + soc_info->emac_pdata->mdio_max_freq = DM365_EVM_MDIO_FREQUENCY;
> }
>
> static __init void dm365_evm_irq_init(void)
> --
> 1.6.0.4
>
> _______________________________________________
> Davinci-linux-open-source mailing list
> [email protected]
> http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
_______________________________________________
Davinci-linux-open-source mailing list
[email protected]
http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
