From e3978dc7dfcb9e7b022bda775929943b43bdefd8 Mon Sep 17 00:00:00 2001 From: Viresh Kumar Date: Thu, 19 Apr 2012 22:23:13 +0530 Subject: SPEAr13xx: Add source files This patch adds source files for SPEAr13xx Machines. Signed-off-by: Viresh Kumar Signed-off-by: Deepak Sikri Signed-off-by: Shiraz Hashim --- arch/arm/mach-spear13xx/spear1310.c | 88 +++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 arch/arm/mach-spear13xx/spear1310.c (limited to 'arch/arm/mach-spear13xx/spear1310.c') diff --git a/arch/arm/mach-spear13xx/spear1310.c b/arch/arm/mach-spear13xx/spear1310.c new file mode 100644 index 0000000..fefd15b --- /dev/null +++ b/arch/arm/mach-spear13xx/spear1310.c @@ -0,0 +1,88 @@ +/* + * arch/arm/mach-spear13xx/spear1310.c + * + * SPEAr1310 machine source file + * + * Copyright (C) 2012 ST Microelectronics + * Viresh Kumar + * + * 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. + */ + +#define pr_fmt(fmt) "SPEAr1310: " fmt + +#include +#include +#include +#include +#include +#include +#include + +/* Base addresses */ +#define SPEAR1310_SSP1_BASE UL(0x5D400000) +#define SPEAR1310_SATA0_BASE UL(0xB1000000) +#define SPEAR1310_SATA1_BASE UL(0xB1800000) +#define SPEAR1310_SATA2_BASE UL(0xB4000000) + +/* ssp device registration */ +static struct pl022_ssp_controller ssp1_plat_data = { + .bus_id = 0, + .enable_dma = 0, + .num_chipselect = 3, +}; + +/* Add SPEAr1310 auxdata to pass platform data */ +static struct of_dev_auxdata spear1310_auxdata_lookup[] __initdata = { + OF_DEV_AUXDATA("arasan,cf-spear1340", MCIF_CF_BASE, NULL, &cf_dma_priv), + OF_DEV_AUXDATA("snps,dma-spear1340", DMAC0_BASE, NULL, &dmac_plat_data), + OF_DEV_AUXDATA("snps,dma-spear1340", DMAC1_BASE, NULL, &dmac_plat_data), + OF_DEV_AUXDATA("arm,pl022", SSP_BASE, NULL, &pl022_plat_data), + + OF_DEV_AUXDATA("arm,pl022", SPEAR1310_SSP1_BASE, NULL, &ssp1_plat_data), + {} +}; + +static void __init spear1310_dt_init(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, + spear1310_auxdata_lookup, NULL); +} + +static const char * const spear1310_dt_board_compat[] = { + "st,spear1310", + "st,spear1310-evb", + NULL, +}; + +/* + * Following will create 16MB static virtual/physical mappings + * PHYSICAL VIRTUAL + * 0xD8000000 0xFA000000 + */ +struct map_desc spear1310_io_desc[] __initdata = { + { + .virtual = VA_SPEAR1310_RAS_GRP1_BASE, + .pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE), + .length = SZ_16M, + .type = MT_DEVICE + }, +}; + +static void __init spear1310_map_io(void) +{ + iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc)); + spear13xx_map_io(); +} + +DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree") + .map_io = spear1310_map_io, + .init_irq = spear13xx_dt_init_irq, + .handle_irq = gic_handle_irq, + .timer = &spear13xx_timer, + .init_machine = spear1310_dt_init, + .restart = spear_restart, + .dt_compat = spear1310_dt_board_compat, +MACHINE_END -- cgit v1.1