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| author | Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> | 2012-08-15 21:07:33 +0400 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2012-09-21 21:07:22 +0400 |
| commit | 81d2ef7c40eceb7189872ecea5964f2041118d4a (patch) | |
| tree | 84d167e70c40eb08ba156b486efdd1fe15f836bb /arch/arm/mach-dove | |
| parent | 624d0b52758d312ce1339bc88d23e6ef7ba980ee (diff) | |
| download | linux-81d2ef7c40eceb7189872ecea5964f2041118d4a.tar.xz | |
ARM: dove: add device tree based machine descriptor
This adds a generic DT_MACHINE for mach-dove. As with other orion based
SoCs there still is some glue code required to make all internal devices
work, i.e. auxdata is provided to pass clocks to corresponding device
drivers.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'arch/arm/mach-dove')
| -rw-r--r-- | arch/arm/mach-dove/Kconfig | 7 | ||||
| -rw-r--r-- | arch/arm/mach-dove/common.c | 67 |
2 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/mach-dove/Kconfig b/arch/arm/mach-dove/Kconfig index dd937c526a45..00154e74ce6b 100644 --- a/arch/arm/mach-dove/Kconfig +++ b/arch/arm/mach-dove/Kconfig @@ -15,6 +15,13 @@ config MACH_CM_A510 Say 'Y' here if you want your kernel to support the CompuLab CM-A510 Board. +config MACH_DOVE_DT + bool "Marvell Dove Flattened Device Tree" + select USE_OF + help + Say 'Y' here if you want your kernel to support the + Marvell Dove using flattened device tree. + endmenu endif diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c index d5de814c52a3..b12d11a5f2d0 100644 --- a/arch/arm/mach-dove/common.c +++ b/arch/arm/mach-dove/common.c @@ -16,6 +16,8 @@ #include <linux/clk-provider.h> #include <linux/ata_platform.h> #include <linux/gpio.h> +#include <linux/of.h> +#include <linux/of_platform.h> #include <asm/page.h> #include <asm/setup.h> #include <asm/timex.h> @@ -29,6 +31,7 @@ #include <asm/mach/arch.h> #include <linux/irq.h> #include <plat/time.h> +#include <plat/irq.h> #include <plat/ehci-orion.h> #include <plat/common.h> #include <plat/addr-map.h> @@ -380,3 +383,67 @@ void dove_restart(char mode, const char *cmd) while (1) ; } + +#if defined(CONFIG_MACH_DOVE_DT) +/* + * Auxdata required until real OF clock provider + */ +struct of_dev_auxdata dove_auxdata_lookup[] __initdata = { + OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL), + OF_DEV_AUXDATA("marvell,orion-spi", 0xf1014600, "orion_spi.1", NULL), + OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL), + OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0", + NULL), + OF_DEV_AUXDATA("marvell,orion-sata", 0xf10a0000, "sata_mv.0", NULL), + OF_DEV_AUXDATA("marvell,dove-sdhci", 0xf1092000, "sdhci-dove.0", NULL), + OF_DEV_AUXDATA("marvell,dove-sdhci", 0xf1090000, "sdhci-dove.1", NULL), + {}, +}; + +static struct mv643xx_eth_platform_data dove_dt_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR_DEFAULT, +}; + +static void __init dove_dt_init(void) +{ + pr_info("Dove 88AP510 SoC, TCLK = %d MHz.\n", + (dove_tclk + 499999) / 1000000); + +#ifdef CONFIG_CACHE_TAUROS2 + tauros2_init(); +#endif + dove_setup_cpu_mbus(); + + /* Setup root of clk tree */ + dove_clk_init(); + + /* Internal devices not ported to DT yet */ + dove_rtc_init(); + dove_xor0_init(); + dove_xor1_init(); + + dove_ge00_init(&dove_dt_ge00_data); + dove_ehci0_init(); + dove_ehci1_init(); + dove_pcie_init(1, 1); + dove_crypto_init(); + + of_platform_populate(NULL, of_default_bus_match_table, + dove_auxdata_lookup, NULL); +} + +static const char * const dove_dt_board_compat[] = { + "marvell,dove", + NULL +}; + +DT_MACHINE_START(DOVE_DT, "Marvell Dove (Flattened Device Tree)") + .map_io = dove_map_io, + .init_early = dove_init_early, + .init_irq = orion_dt_init_irq, + .timer = &dove_timer, + .init_machine = dove_dt_init, + .restart = dove_restart, + .dt_compat = dove_dt_board_compat, +MACHINE_END +#endif |