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Diffstat (limited to 'arch/arm/mach-spear3xx/spear3xx.c')
-rw-r--r--arch/arm/mach-spear3xx/spear3xx.c55
1 files changed, 32 insertions, 23 deletions
diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c
index 52f553c8c46d..d3ba8ca1bc59 100644
--- a/arch/arm/mach-spear3xx/spear3xx.c
+++ b/arch/arm/mach-spear3xx/spear3xx.c
@@ -19,7 +19,7 @@
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <mach/generic.h>
-#include <mach/spear.h>
+#include <mach/hardware.h>
/* Add spear3xx machines common devices here */
/* gpio device registration */
@@ -35,7 +35,7 @@ struct amba_device gpio_device = {
},
.res = {
.start = SPEAR3XX_ICM3_GPIO_BASE,
- .end = SPEAR3XX_ICM3_GPIO_BASE + SPEAR3XX_ICM3_GPIO_SIZE - 1,
+ .end = SPEAR3XX_ICM3_GPIO_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_BASIC_GPIO, NO_IRQ},
@@ -48,7 +48,7 @@ struct amba_device uart_device = {
},
.res = {
.start = SPEAR3XX_ICM1_UART_BASE,
- .end = SPEAR3XX_ICM1_UART_BASE + SPEAR3XX_ICM1_UART_SIZE - 1,
+ .end = SPEAR3XX_ICM1_UART_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_UART, NO_IRQ},
@@ -71,22 +71,22 @@ struct map_desc spear3xx_io_desc[] __initdata = {
{
.virtual = VA_SPEAR3XX_ICM1_UART_BASE,
.pfn = __phys_to_pfn(SPEAR3XX_ICM1_UART_BASE),
- .length = SPEAR3XX_ICM1_UART_SIZE,
+ .length = SZ_4K,
.type = MT_DEVICE
}, {
.virtual = VA_SPEAR3XX_ML1_VIC_BASE,
.pfn = __phys_to_pfn(SPEAR3XX_ML1_VIC_BASE),
- .length = SPEAR3XX_ML1_VIC_SIZE,
+ .length = SZ_4K,
.type = MT_DEVICE
}, {
.virtual = VA_SPEAR3XX_ICM3_SYS_CTRL_BASE,
.pfn = __phys_to_pfn(SPEAR3XX_ICM3_SYS_CTRL_BASE),
- .length = SPEAR3XX_ICM3_SYS_CTRL_SIZE,
+ .length = SZ_4K,
.type = MT_DEVICE
}, {
.virtual = VA_SPEAR3XX_ICM3_MISC_REG_BASE,
.pfn = __phys_to_pfn(SPEAR3XX_ICM3_MISC_REG_BASE),
- .length = SPEAR3XX_ICM3_MISC_REG_SIZE,
+ .length = SZ_4K,
.type = MT_DEVICE
},
};
@@ -523,26 +523,35 @@ struct pmx_dev pmx_plgpio_45_46_49_50 = {
.mode_count = ARRAY_SIZE(pmx_plgpio_45_46_49_50_modes),
.enb_on_reset = 1,
};
+#endif /* CONFIG_MACH_SPEAR310 || CONFIG_MACH_SPEAR320 */
-#endif
-
-/* spear padmux initialization function */
-void spear_pmx_init(struct pmx_driver *pmx_driver, uint base, uint size)
+static void __init spear3xx_timer_init(void)
{
- int ret = 0;
+ char pclk_name[] = "pll3_48m_clk";
+ struct clk *gpt_clk, *pclk;
+
+ /* get the system timer clock */
+ gpt_clk = clk_get_sys("gpt0", NULL);
+ if (IS_ERR(gpt_clk)) {
+ pr_err("%s:couldn't get clk for gpt\n", __func__);
+ BUG();
+ }
- /* pad mux initialization */
- pmx_driver->base = ioremap(base, size);
- if (!pmx_driver->base) {
- ret = -ENOMEM;
- goto pmx_fail;
+ /* get the suitable parent clock for timer*/
+ pclk = clk_get(NULL, pclk_name);
+ if (IS_ERR(pclk)) {
+ pr_err("%s:couldn't get %s as parent for gpt\n",
+ __func__, pclk_name);
+ BUG();
}
- ret = pmx_register(pmx_driver);
- iounmap(pmx_driver->base);
+ clk_set_parent(gpt_clk, pclk);
+ clk_put(gpt_clk);
+ clk_put(pclk);
-pmx_fail:
- if (ret)
- printk(KERN_ERR "padmux: registration failed. err no: %d\n",
- ret);
+ spear_setup_timer();
}
+
+struct sys_timer spear3xx_timer = {
+ .init = spear3xx_timer_init,
+};