diff options
author | H. Peter Anvin <hpa@linux.intel.com> | 2012-01-19 12:56:50 -0800 |
---|---|---|
committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-01-19 12:56:50 -0800 |
commit | 282f445a779ed76fca9884fe377bf56a3088b208 (patch) | |
tree | d9abcf526baee0100672851e0a8894c19e762a39 /arch/arm/mach-at91/sam9_smc.c | |
parent | 68f30fbee19cc67849b9fa8e153ede70758afe81 (diff) | |
parent | 90a4c0f51e8e44111a926be6f4c87af3938a79c3 (diff) |
Merge remote-tracking branch 'linus/master' into x86/urgent
Diffstat (limited to 'arch/arm/mach-at91/sam9_smc.c')
-rw-r--r-- | arch/arm/mach-at91/sam9_smc.c | 62 |
1 files changed, 41 insertions, 21 deletions
diff --git a/arch/arm/mach-at91/sam9_smc.c b/arch/arm/mach-at91/sam9_smc.c index 5eab6aa621d..8294783b679 100644 --- a/arch/arm/mach-at91/sam9_smc.c +++ b/arch/arm/mach-at91/sam9_smc.c @@ -10,38 +10,58 @@ #include <linux/module.h> #include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> #include <mach/at91sam9_smc.h> #include "sam9_smc.h" -void __init sam9_smc_configure(int cs, struct sam9_smc_config* config) + +#define AT91_SMC_CS(id, n) (smc_base_addr[id] + ((n) * 0x10)) + +static void __iomem *smc_base_addr[2]; + +static void __init sam9_smc_cs_configure(void __iomem *base, struct sam9_smc_config* config) { + /* Setup register */ - at91_sys_write(AT91_SMC_SETUP(cs), - AT91_SMC_NWESETUP_(config->nwe_setup) - | AT91_SMC_NCS_WRSETUP_(config->ncs_write_setup) - | AT91_SMC_NRDSETUP_(config->nrd_setup) - | AT91_SMC_NCS_RDSETUP_(config->ncs_read_setup) - ); + __raw_writel(AT91_SMC_NWESETUP_(config->nwe_setup) + | AT91_SMC_NCS_WRSETUP_(config->ncs_write_setup) + | AT91_SMC_NRDSETUP_(config->nrd_setup) + | AT91_SMC_NCS_RDSETUP_(config->ncs_read_setup), + base + AT91_SMC_SETUP); /* Pulse register */ - at91_sys_write(AT91_SMC_PULSE(cs), - AT91_SMC_NWEPULSE_(config->nwe_pulse) - | AT91_SMC_NCS_WRPULSE_(config->ncs_write_pulse) - | AT91_SMC_NRDPULSE_(config->nrd_pulse) - | AT91_SMC_NCS_RDPULSE_(config->ncs_read_pulse) - ); + __raw_writel(AT91_SMC_NWEPULSE_(config->nwe_pulse) + | AT91_SMC_NCS_WRPULSE_(config->ncs_write_pulse) + | AT91_SMC_NRDPULSE_(config->nrd_pulse) + | AT91_SMC_NCS_RDPULSE_(config->ncs_read_pulse), + base + AT91_SMC_PULSE); /* Cycle register */ - at91_sys_write(AT91_SMC_CYCLE(cs), - AT91_SMC_NWECYCLE_(config->write_cycle) - | AT91_SMC_NRDCYCLE_(config->read_cycle) - ); + __raw_writel(AT91_SMC_NWECYCLE_(config->write_cycle) + | AT91_SMC_NRDCYCLE_(config->read_cycle), + base + AT91_SMC_CYCLE); /* Mode register */ - at91_sys_write(AT91_SMC_MODE(cs), - config->mode - | AT91_SMC_TDF_(config->tdf_cycles) - ); + __raw_writel(config->mode + | AT91_SMC_TDF_(config->tdf_cycles), + base + AT91_SMC_MODE); +} + +void __init sam9_smc_configure(int id, int cs, struct sam9_smc_config* config) +{ + sam9_smc_cs_configure(AT91_SMC_CS(id, cs), config); +} + +void __init at91sam9_ioremap_smc(int id, u32 addr) +{ + if (id > 1) { + pr_warn("%s: id > 2\n", __func__); + return; + } + smc_base_addr[id] = ioremap(addr, 512); + if (!smc_base_addr[id]) + pr_warn("Impossible to ioremap smc.%d 0x%x\n", id, addr); } |