Add SoC and platform-specific data and init for DaVinci EMAC network driver.
Signed-off-by: Kevin Hilman <[email protected]> --- arch/arm/mach-davinci/board-dm644x-evm.c | 29 +++++-------- arch/arm/mach-davinci/board-dm646x-evm.c | 13 ++++++ arch/arm/mach-davinci/board-sffsdr.c | 31 ++++++++++++++- arch/arm/mach-davinci/dm644x.c | 19 +++++++++ arch/arm/mach-davinci/dm646x.c | 57 +++++++++++++++++++++++++++ arch/arm/mach-davinci/include/mach/dm644x.h | 2 + arch/arm/mach-davinci/include/mach/dm646x.h | 9 ++++ arch/arm/mach-davinci/include/mach/emac.h | 34 ++++++++++++++++ 8 files changed, 175 insertions(+), 19 deletions(-) create mode 100644 arch/arm/mach-davinci/include/mach/emac.h diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c index 9c3ce31..82bbf44 100644 --- a/arch/arm/mach-davinci/board-dm644x-evm.c +++ b/arch/arm/mach-davinci/board-dm644x-evm.c @@ -16,12 +16,11 @@ #include <linux/gpio.h> #include <linux/leds.h> #include <linux/memory.h> -#include <linux/etherdevice.h> #include <linux/i2c.h> #include <linux/i2c/pcf857x.h> #include <linux/i2c/at24.h> - +#include <linux/etherdevice.h> #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> @@ -39,6 +38,7 @@ #include <mach/dm644x.h> #include <mach/common.h> +#include <mach/emac.h> #include <mach/i2c.h> #include <mach/serial.h> #include <mach/mux.h> @@ -60,6 +60,11 @@ #define LXT971_PHY_ID (0x001378e2) #define LXT971_PHY_MASK (0xfffffff0) +static struct emac_platform_data dm644x_evm_emac_pdata = { + .phy_mask = DM644X_EVM_PHY_MASK, + .mdio_max_freq = DM644X_EVM_MDIO_FREQUENCY, +}; + static struct mtd_partition davinci_evm_norflash_partitions[] = { /* bootloader (UBL, U-Boot, etc) in first 5 sectors */ { @@ -450,6 +455,8 @@ static void at24_setup(struct memory_accessor *mem_acc, void *context) if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x7f00, 6) == 6) { printk(KERN_INFO "Read MAC addr from EEPROM: %s\n", print_mac(mac_str, mac_addr)); + + memcpy(dm644x_evm_emac_pdata.mac_addr, mac_addr, 6); } } @@ -460,22 +467,6 @@ static struct at24_platform_data eeprom_info = { .setup = at24_setup, }; -int dm6446evm_eeprom_read(void *buf, off_t off, size_t count) -{ - if (at24_mem_acc) - return at24_mem_acc->read(at24_mem_acc, buf, off, count); - return -ENODEV; -} -EXPORT_SYMBOL(dm6446evm_eeprom_read); - -int dm6446evm_eeprom_write(void *buf, off_t off, size_t count) -{ - if (at24_mem_acc) - return at24_mem_acc->write(at24_mem_acc, buf, off, count); - return -ENODEV; -} -EXPORT_SYMBOL(dm6446evm_eeprom_write); - /* * MSP430 supports RTC, card detection, input from IR remote, and * a bit more. It triggers interrupts on GPIO(7) from pressing @@ -697,6 +688,8 @@ static __init void davinci_evm_init(void) davinci_serial_init(&uart_config); + dm644x_init_emac(&dm644x_evm_emac_pdata); + /* Register the fixup for PHY on DaVinci */ phy_register_fixup_for_uid(LXT971_PHY_ID, LXT971_PHY_MASK, davinci_phy_fixup); diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c index 9a3dcf1..4c6b217 100644 --- a/arch/arm/mach-davinci/board-dm646x-evm.c +++ b/arch/arm/mach-davinci/board-dm646x-evm.c @@ -40,6 +40,7 @@ #include <mach/psc.h> #include <mach/serial.h> #include <mach/i2c.h> +#include <mach/mmc.h> #include <linux/platform_device.h> #include <linux/i2c.h> @@ -47,6 +48,16 @@ #include <linux/i2c/pcf857x.h> #include <linux/etherdevice.h> +#include <mach/emac.h> + +#define DM646X_EVM_PHY_MASK (0x2) +#define DM646X_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */ + +static struct emac_platform_data dm646x_evm_emac_pdata = { + .phy_mask = DM646X_EVM_PHY_MASK, + .mdio_max_freq = DM646X_EVM_MDIO_FREQUENCY, +}; + static struct davinci_uart_config uart_config __initdata = { .enabled_uarts = (1 << 0), }; @@ -206,6 +217,7 @@ static void at24_setup(struct memory_accessor *mem_acc, void *context) if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x7f00, 6) == 6) { printk(KERN_INFO "Read MAC addr from EEPROM: %s\n", print_mac(mac_str, mac_addr)); + memcpy(dm646x_evm_emac_pdata.mac_addr, mac_addr, 6); } } @@ -264,6 +276,7 @@ static __init void evm_init(void) { evm_init_i2c(); davinci_serial_init(&uart_config); + dm646x_init_emac(&dm646x_evm_emac_pdata); } static __init void davinci_dm646x_evm_irq_init(void) diff --git a/arch/arm/mach-davinci/board-sffsdr.c b/arch/arm/mach-davinci/board-sffsdr.c index c6525e4..988fac1 100644 --- a/arch/arm/mach-davinci/board-sffsdr.c +++ b/arch/arm/mach-davinci/board-sffsdr.c @@ -48,11 +48,15 @@ #include <mach/dm644x.h> #include <mach/common.h> +#include <mach/emac.h> #include <mach/i2c.h> #include <mach/serial.h> #include <mach/psc.h> #include <mach/mux.h> +#define SFFSDR_PHY_MASK (0x2) +#define SFFSDR_MDIO_FREQUENCY (2200000) /* PHY bus frequency */ + #define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e00000 #define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000 @@ -105,7 +109,12 @@ static struct platform_device davinci_sffsdr_nandflash_device = { }; /* Get Ethernet address from kernel boot params */ -static u8 mac_addr[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; +static u8 davinci_sffsdr_mac_addr[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; + +static struct emac_platform_data sffsdr_emac_pdata = { + .phy_mask = SFFSDR_PHY_MASK, + .mdio_max_freq = SFFSDR_MDIO_FREQUENCY, +}; static struct at24_platform_data eeprom_info = { .byte_len = (64*1024) / 8, @@ -156,6 +165,8 @@ static __init void davinci_sffsdr_init(void) ARRAY_SIZE(davinci_sffsdr_devices)); sffsdr_init_i2c(); davinci_serial_init(&uart_config); + memcpy(sffsdr_emac_pdata.mac_addr, davinci_sffsdr_mac_addr, 6); + dm644x_init_emac(&sffsdr_emac_pdata); setup_usb(0, 0); /* We support only peripheral mode. */ /* mux VLYNQ pins */ @@ -163,6 +174,24 @@ static __init void davinci_sffsdr_init(void) davinci_cfg_reg(DM644X_VLYNQWD); } +static int davinci_cpmac_eth_setup(char *str) +{ + int i; + + if (str == NULL) + return 0; + + /* Conversion of a MAC address from a string (AA:BB:CC:DD:EE:FF) + * to a 6 bytes array. */ + for (i = 0; i < 6; i++) + davinci_sffsdr_mac_addr[i] = simple_strtol(&str[i*3], + (char **)NULL, 16); + + return 1; +} +/* Get MAC address from kernel boot parameter eth=AA:BB:CC:DD:EE:FF */ +__setup("eth=", davinci_cpmac_eth_setup); + static __init void davinci_sffsdr_irq_init(void) { davinci_irq_init(); diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c index d428ef1..0419d57 100644 --- a/arch/arm/mach-davinci/dm644x.c +++ b/arch/arm/mach-davinci/dm644x.c @@ -444,6 +444,25 @@ static struct platform_device dm644x_edma_device = { }; /*----------------------------------------------------------------------*/ +#if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE) + +void dm644x_init_emac(struct emac_platform_data *pdata) +{ + pdata->ctrl_reg_offset = DM644X_EMAC_CNTRL_OFFSET; + pdata->ctrl_mod_reg_offset = DM644X_EMAC_CNTRL_MOD_OFFSET; + pdata->ctrl_ram_offset = DM644X_EMAC_CNTRL_RAM_OFFSET; + pdata->mdio_reg_offset = DM644X_EMAC_MDIO_OFFSET; + pdata->ctrl_ram_size = DM644X_EMAC_CNTRL_RAM_SIZE; + pdata->version = EMAC_VERSION_1; + dm644x_emac_device.dev.platform_data = pdata; + platform_device_register(&dm644x_emac_device); +} +#else + +void dm644x_init_emac(struct emac_platform_data *unused) {} + +#endif + void __init dm644x_init(void) { davinci_clk_init(dm644x_clks); diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index 93443a6..975ed06 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c @@ -279,6 +279,44 @@ struct davinci_clk dm646x_clks[] = { CLK(NULL, NULL, NULL), }; +#if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE) +static struct resource dm646x_emac_resources[] = { + { + .start = DM646X_EMAC_BASE, + .end = DM646X_EMAC_BASE + 0x47ff, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_DM646X_EMACRXTHINT, + .end = IRQ_DM646X_EMACRXTHINT, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DM646X_EMACRXINT, + .end = IRQ_DM646X_EMACRXINT, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DM646X_EMACTXINT, + .end = IRQ_DM646X_EMACTXINT, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DM646X_EMACMISCINT, + .end = IRQ_DM646X_EMACMISCINT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dm646x_emac_device = { + .name = "davinci_emac", + .id = 1, + .num_resources = ARRAY_SIZE(dm646x_emac_resources), + .resource = dm646x_emac_resources, +}; + +#endif + /* * Device specific mux setup * @@ -385,6 +423,25 @@ static struct platform_device dm646x_edma_device = { /*----------------------------------------------------------------------*/ +#if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE) + +void dm646x_init_emac(struct emac_platform_data *pdata) +{ + pdata->ctrl_reg_offset = DM646X_EMAC_CNTRL_OFFSET; + pdata->ctrl_mod_reg_offset = DM646X_EMAC_CNTRL_MOD_OFFSET; + pdata->ctrl_ram_offset = DM646X_EMAC_CNTRL_RAM_OFFSET; + pdata->mdio_reg_offset = DM646X_EMAC_MDIO_OFFSET; + pdata->ctrl_ram_size = DM646X_EMAC_CNTRL_RAM_SIZE; + pdata->version = EMAC_VERSION_2; + dm646x_emac_device.dev.platform_data = pdata; + platform_device_register(&dm646x_emac_device); +} +#else + +void dm646x_init_emac(struct emac_platform_data *unused) {} + +#endif + void __init dm646x_init(void) { davinci_clk_init(dm646x_clks); diff --git a/arch/arm/mach-davinci/include/mach/dm644x.h b/arch/arm/mach-davinci/include/mach/dm644x.h index 3dcb9f4..ace167a 100644 --- a/arch/arm/mach-davinci/include/mach/dm644x.h +++ b/arch/arm/mach-davinci/include/mach/dm644x.h @@ -24,6 +24,7 @@ #include <linux/platform_device.h> #include <mach/hardware.h> +#include <mach/emac.h> #define DM644X_EMAC_BASE (0x01C80000) #define DM644X_EMAC_CNTRL_OFFSET (0x0000) @@ -33,5 +34,6 @@ #define DM644X_EMAC_CNTRL_RAM_SIZE (0x2000) void __init dm644x_init(void); +void dm644x_init_emac(struct emac_platform_data *pdata); #endif /* __ASM_ARCH_DM644X_H */ diff --git a/arch/arm/mach-davinci/include/mach/dm646x.h b/arch/arm/mach-davinci/include/mach/dm646x.h index d917939..ea7b28e 100644 --- a/arch/arm/mach-davinci/include/mach/dm646x.h +++ b/arch/arm/mach-davinci/include/mach/dm646x.h @@ -12,7 +12,16 @@ #define __ASM_ARCH_DM646X_H #include <mach/hardware.h> +#include <mach/emac.h> + +#define DM646X_EMAC_BASE (0x01C80000) +#define DM646X_EMAC_CNTRL_OFFSET (0x0000) +#define DM646X_EMAC_CNTRL_MOD_OFFSET (0x1000) +#define DM646X_EMAC_CNTRL_RAM_OFFSET (0x2000) +#define DM646X_EMAC_MDIO_OFFSET (0x4000) +#define DM646X_EMAC_CNTRL_RAM_SIZE (0x2000) void __init dm646x_init(void); +void dm646x_init_emac(struct emac_platform_data *pdata); #endif /* __ASM_ARCH_DM646X_H */ diff --git a/arch/arm/mach-davinci/include/mach/emac.h b/arch/arm/mach-davinci/include/mach/emac.h new file mode 100644 index 0000000..84d3372 --- /dev/null +++ b/arch/arm/mach-davinci/include/mach/emac.h @@ -0,0 +1,34 @@ +/* + * TI DaVinci EMAC platform support + * + * Author: Kevin Hilman, Deep Root Systems, LLC + * + * 2007 (c) Deep Root Systems, LLC. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#ifndef _MACH_DAVINCI_EMAC_H +#define _MACH_DAVINCI_EMAC_H + +struct emac_platform_data { + char mac_addr[6]; + u32 ctrl_reg_offset; + u32 ctrl_mod_reg_offset; + u32 ctrl_ram_offset; + u32 mdio_reg_offset; + u32 ctrl_ram_size; + u32 phy_mask; + u32 mdio_max_freq; + u8 rmii_en; + u8 version; +}; + +enum { + EMAC_VERSION_1, /* DM644x */ + EMAC_VERSION_2, /* DM646x */ +}; +void davinci_init_emac(struct emac_platform_data *pdata); +#endif + + -- 1.6.2.2 _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
