diff options
Diffstat (limited to 'arch/arm/mach-spear3xx/spear300.c')
| -rw-r--r-- | arch/arm/mach-spear3xx/spear300.c | 97 |
1 files changed, 67 insertions, 30 deletions
diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c index adee72bb68e..c876c6a2caa 100644 --- a/arch/arm/mach-spear3xx/spear300.c +++ b/arch/arm/mach-spear3xx/spear300.c @@ -3,8 +3,8 @@ * * SPEAr300 machine source file * - * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar<viresh.kumar@st.com> + * Copyright (C) 2009-2012 ST Microelectronics + * Viresh Kumar <viresh.kumar@st.com> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -13,10 +13,9 @@ #define pr_fmt(fmt) "SPEAr300: " fmt -#include <linux/types.h> -#include <linux/amba/pl061.h> -#include <linux/ptrace.h> -#include <asm/irq.h> +#include <linux/of_platform.h> +#include <asm/hardware/vic.h> +#include <asm/mach/arch.h> #include <plat/shirq.h> #include <mach/generic.h> #include <mach/hardware.h> @@ -425,24 +424,35 @@ static struct spear_shirq shirq_ras1 = { }, }; -/* Add spear300 specific devices here */ -/* arm gpio1 device registration */ -static struct pl061_platform_data gpio1_plat_data = { - .gpio_base = 8, - .irq_base = SPEAR300_GPIO1_INT_BASE, +/* padmux devices to enable */ +static struct pmx_dev *spear300_evb_pmx_devs[] = { + /* spear3xx specific devices */ + &spear3xx_pmx_i2c, + &spear3xx_pmx_ssp_cs, + &spear3xx_pmx_ssp, + &spear3xx_pmx_mii, + &spear3xx_pmx_uart0, + + /* spear300 specific devices */ + &spear300_pmx_fsmc_2_chips, + &spear300_pmx_clcd, + &spear300_pmx_telecom_sdhci_4bit, + &spear300_pmx_gpio1, }; -AMBA_APB_DEVICE(spear300_gpio1, "gpio1", 0, SPEAR300_GPIO_BASE, - {SPEAR300_VIRQ_GPIO1}, &gpio1_plat_data); +/* Add SPEAr300 auxdata to pass platform data */ +static struct of_dev_auxdata spear300_auxdata_lookup[] __initdata = { + OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL, + &pl022_plat_data), + {} +}; -/* spear300 routines */ -void __init spear300_init(struct pmx_mode *pmx_mode, struct pmx_dev **pmx_devs, - u8 pmx_dev_count) +static void __init spear300_dt_init(void) { - int ret = 0; + int ret = -EINVAL; - /* call spear3xx family common init function */ - spear3xx_init(); + of_platform_populate(NULL, of_default_bus_match_table, + spear300_auxdata_lookup, NULL); /* shared irq registration */ shirq_ras1.regs.base = ioremap(SPEAR300_TELECOM_BASE, SZ_4K); @@ -452,18 +462,45 @@ void __init spear300_init(struct pmx_mode *pmx_mode, struct pmx_dev **pmx_devs, pr_err("Error registering Shared IRQ\n"); } - /* pmx initialization */ - pmx_driver.mode = pmx_mode; - pmx_driver.devs = pmx_devs; - pmx_driver.devs_count = pmx_dev_count; + if (of_machine_is_compatible("st,spear300-evb")) { + /* pmx initialization */ + pmx_driver.mode = &spear300_photo_frame_mode; + pmx_driver.devs = spear300_evb_pmx_devs; + pmx_driver.devs_count = ARRAY_SIZE(spear300_evb_pmx_devs); + + pmx_driver.base = ioremap(SPEAR300_SOC_CONFIG_BASE, SZ_4K); + if (pmx_driver.base) { + ret = pmx_register(&pmx_driver); + if (ret) + pr_err("padmux: registration failed. err no: %d\n", + ret); + /* Free Mapping, device selection already done */ + iounmap(pmx_driver.base); + } - pmx_driver.base = ioremap(SPEAR300_SOC_CONFIG_BASE, SZ_4K); - if (pmx_driver.base) { - ret = pmx_register(&pmx_driver); if (ret) - pr_err("padmux: registration failed. err no: %d\n", - ret); - /* Free Mapping, device selection already done */ - iounmap(pmx_driver.base); + pr_err("Initialization Failed"); } } + +static const char * const spear300_dt_board_compat[] = { + "st,spear300", + "st,spear300-evb", + NULL, +}; + +static void __init spear300_map_io(void) +{ + spear3xx_map_io(); + spear300_clk_init(); +} + +DT_MACHINE_START(SPEAR300_DT, "ST SPEAr300 SoC with Flattened Device Tree") + .map_io = spear300_map_io, + .init_irq = spear3xx_dt_init_irq, + .handle_irq = vic_handle_irq, + .timer = &spear3xx_timer, + .init_machine = spear300_dt_init, + .restart = spear_restart, + .dt_compat = spear300_dt_board_compat, +MACHINE_END |