#include <linux/sched.h>
#include <linux/serial_core.h>
#include <linux/of.h>
+#include <linux/of_fdt.h>
#include <linux/of_irq.h>
#include <linux/export.h>
#include <linux/irqdomain.h>
static const char name_exynos4212[] = "EXYNOS4212";
static const char name_exynos4412[] = "EXYNOS4412";
static const char name_exynos5250[] = "EXYNOS5250";
+static const char name_exynos5440[] = "EXYNOS5440";
static void exynos4_map_io(void);
static void exynos5_map_io(void);
+static void exynos5440_map_io(void);
static void exynos4_init_clocks(int xtal);
static void exynos5_init_clocks(int xtal);
-static void exynos_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+static void exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no);
static int exynos_init(void);
static struct cpu_table cpu_ids[] __initdata = {
.idmask = EXYNOS4_CPU_MASK,
.map_io = exynos4_map_io,
.init_clocks = exynos4_init_clocks,
- .init_uarts = exynos_init_uarts,
+ .init_uarts = exynos4_init_uarts,
.init = exynos_init,
.name = name_exynos4210,
}, {
.idmask = EXYNOS4_CPU_MASK,
.map_io = exynos4_map_io,
.init_clocks = exynos4_init_clocks,
- .init_uarts = exynos_init_uarts,
+ .init_uarts = exynos4_init_uarts,
.init = exynos_init,
.name = name_exynos4212,
}, {
.idmask = EXYNOS4_CPU_MASK,
.map_io = exynos4_map_io,
.init_clocks = exynos4_init_clocks,
- .init_uarts = exynos_init_uarts,
+ .init_uarts = exynos4_init_uarts,
.init = exynos_init,
.name = name_exynos4412,
}, {
.idmask = EXYNOS5_SOC_MASK,
.map_io = exynos5_map_io,
.init_clocks = exynos5_init_clocks,
- .init_uarts = exynos_init_uarts,
.init = exynos_init,
.name = name_exynos5250,
+ }, {
+ .idcode = EXYNOS5440_SOC_ID,
+ .idmask = EXYNOS5_SOC_MASK,
+ .map_io = exynos5440_map_io,
+ .init = exynos_init,
+ .name = name_exynos5440,
},
};
},
};
+#ifdef CONFIG_ARCH_EXYNOS5
+static struct map_desc exynos5440_iodesc[] __initdata = {
+ {
+ .virtual = (unsigned long)S5P_VA_CHIPID,
+ .pfn = __phys_to_pfn(EXYNOS5440_PA_CHIPID),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ },
+};
+#endif
+
static struct map_desc exynos4_iodesc[] __initdata = {
{
.virtual = (unsigned long)S3C_VA_SYS,
.pfn = __phys_to_pfn(EXYNOS5_PA_PMU),
.length = SZ_64K,
.type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)S5P_VA_COMBINER_BASE,
- .pfn = __phys_to_pfn(EXYNOS5_PA_COMBINER),
- .length = SZ_4K,
- .type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_UART,
.pfn = __phys_to_pfn(EXYNOS5_PA_UART),
.length = SZ_512K,
.type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)S5P_VA_GIC_CPU,
- .pfn = __phys_to_pfn(EXYNOS5_PA_GIC_CPU),
- .length = SZ_8K,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)S5P_VA_GIC_DIST,
- .pfn = __phys_to_pfn(EXYNOS5_PA_GIC_DIST),
- .length = SZ_4K,
+ },
+};
+
+static struct map_desc exynos5440_iodesc0[] __initdata = {
+ {
+ .virtual = (unsigned long)S3C_VA_UART,
+ .pfn = __phys_to_pfn(EXYNOS5440_PA_UART0),
+ .length = SZ_512K,
.type = MT_DEVICE,
},
};
void exynos5_restart(char mode, const char *cmd)
{
- __raw_writel(0x1, EXYNOS_SWRESET);
+ u32 val;
+ void __iomem *addr;
+
+ if (of_machine_is_compatible("samsung,exynos5250")) {
+ val = 0x1;
+ addr = EXYNOS_SWRESET;
+ } else if (of_machine_is_compatible("samsung,exynos5440")) {
+ val = (0x10 << 20) | (0x1 << 16);
+ addr = EXYNOS5440_SWRESET;
+ } else {
+ pr_err("%s: cannot support non-DT\n", __func__);
+ return;
+ }
+
+ __raw_writel(val, addr);
}
void __init exynos_init_late(void)
{
+ if (of_machine_is_compatible("samsung,exynos5440"))
+ /* to be supported later */
+ return;
+
exynos_pm_late_initcall();
}
void __init exynos_init_io(struct map_desc *mach_desc, int size)
{
+ struct map_desc *iodesc = exynos_iodesc;
+ int iodesc_sz = ARRAY_SIZE(exynos_iodesc);
+#if defined(CONFIG_OF) && defined(CONFIG_ARCH_EXYNOS5)
+ unsigned long root = of_get_flat_dt_root();
+
/* initialize the io descriptors we need for initialization */
- iotable_init(exynos_iodesc, ARRAY_SIZE(exynos_iodesc));
+ if (of_flat_dt_is_compatible(root, "samsung,exynos5440")) {
+ iodesc = exynos5440_iodesc;
+ iodesc_sz = ARRAY_SIZE(exynos5440_iodesc);
+ }
+#endif
+
+ iotable_init(iodesc, iodesc_sz);
+
if (mach_desc)
iotable_init(mach_desc, size);
static void __init exynos5_map_io(void)
{
iotable_init(exynos5_iodesc, ARRAY_SIZE(exynos5_iodesc));
-
- s3c_device_i2c0.resource[0].start = EXYNOS5_PA_IIC(0);
- s3c_device_i2c0.resource[0].end = EXYNOS5_PA_IIC(0) + SZ_4K - 1;
- s3c_device_i2c0.resource[1].start = EXYNOS5_IRQ_IIC;
- s3c_device_i2c0.resource[1].end = EXYNOS5_IRQ_IIC;
-
- s3c_sdhci_setname(0, "exynos4-sdhci");
- s3c_sdhci_setname(1, "exynos4-sdhci");
- s3c_sdhci_setname(2, "exynos4-sdhci");
- s3c_sdhci_setname(3, "exynos4-sdhci");
-
- /* The I2C bus controllers are directly compatible with s3c2440 */
- s3c_i2c0_setname("s3c2440-i2c");
- s3c_i2c1_setname("s3c2440-i2c");
- s3c_i2c2_setname("s3c2440-i2c");
-
- s3c64xx_spi_setname("exynos4210-spi");
}
static void __init exynos4_init_clocks(int xtal)
exynos4_setup_clocks();
}
+static void __init exynos5440_map_io(void)
+{
+ iotable_init(exynos5440_iodesc0, ARRAY_SIZE(exynos5440_iodesc0));
+}
+
static void __init exynos5_init_clocks(int xtal)
{
printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
}
#ifdef CONFIG_OF
-int __init combiner_of_init(struct device_node *np, struct device_node *parent)
+static int __init combiner_of_init(struct device_node *np,
+ struct device_node *parent)
{
void __iomem *combiner_base;
return 0;
}
-static const struct of_device_id exynos4_dt_irq_match[] = {
+static const struct of_device_id exynos_dt_irq_match[] = {
{ .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
+ { .compatible = "arm,cortex-a15-gic", .data = gic_of_init, },
{ .compatible = "samsung,exynos4210-combiner",
.data = combiner_of_init, },
{},
gic_init_bases(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU, gic_bank_offset, NULL);
#ifdef CONFIG_OF
else
- of_irq_init(exynos4_dt_irq_match);
+ of_irq_init(exynos_dt_irq_match);
#endif
if (!of_have_populated_dt())
void __init exynos5_init_irq(void)
{
#ifdef CONFIG_OF
- of_irq_init(exynos4_dt_irq_match);
+ of_irq_init(exynos_dt_irq_match);
#endif
/*
* The parameters of s5p_init_irq() are for VIC init.
{
int ret;
- if (soc_is_exynos5250())
+ if (soc_is_exynos5250() || soc_is_exynos5440())
return 0;
ret = l2x0_of_init(L2_AUX_VAL, L2_AUX_MASK);
/* uart registration process */
-static void __init exynos_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+static void __init exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no)
{
struct s3c2410_uartcfg *tcfg = cfg;
u32 ucnt;
for (ucnt = 0; ucnt < no; ucnt++, tcfg++)
tcfg->has_fracval = 1;
- if (soc_is_exynos5250())
- s3c24xx_init_uartdevs("exynos4210-uart", exynos5_uart_resources, cfg, no);
- else
- s3c24xx_init_uartdevs("exynos4210-uart", exynos4_uart_resources, cfg, no);
+ s3c24xx_init_uartdevs("exynos4210-uart", exynos4_uart_resources, cfg, no);
}
static void __iomem *exynos_eint_base;
struct irq_chip *chip = irq_get_chip(irq);
chained_irq_enter(chip, desc);
- chip->irq_mask(&desc->irq_data);
-
- if (chip->irq_ack)
- chip->irq_ack(&desc->irq_data);
-
generic_handle_irq(*irq_data);
-
- chip->irq_unmask(&desc->irq_data);
chained_irq_exit(chip, desc);
}
}
}
#endif
+ if (soc_is_exynos5440())
+ return 0;
if (soc_is_exynos5250())
exynos_eint_base = ioremap(EXYNOS5_PA_GPIO1, SZ_4K);
projects / karo-tx-linux.git / blobdiff