diff options
Diffstat (limited to 'arch/arm/mach-spear3xx/spear3xx.c')
-rw-r--r-- | arch/arm/mach-spear3xx/spear3xx.c | 55 |
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 @@ | |||
19 | #include <asm/irq.h> | 19 | #include <asm/irq.h> |
20 | #include <asm/mach/arch.h> | 20 | #include <asm/mach/arch.h> |
21 | #include <mach/generic.h> | 21 | #include <mach/generic.h> |
22 | #include <mach/spear.h> | 22 | #include <mach/hardware.h> |
23 | 23 | ||
24 | /* Add spear3xx machines common devices here */ | 24 | /* Add spear3xx machines common devices here */ |
25 | /* gpio device registration */ | 25 | /* gpio device registration */ |
@@ -35,7 +35,7 @@ struct amba_device gpio_device = { | |||
35 | }, | 35 | }, |
36 | .res = { | 36 | .res = { |
37 | .start = SPEAR3XX_ICM3_GPIO_BASE, | 37 | .start = SPEAR3XX_ICM3_GPIO_BASE, |
38 | .end = SPEAR3XX_ICM3_GPIO_BASE + SPEAR3XX_ICM3_GPIO_SIZE - 1, | 38 | .end = SPEAR3XX_ICM3_GPIO_BASE + SZ_4K - 1, |
39 | .flags = IORESOURCE_MEM, | 39 | .flags = IORESOURCE_MEM, |
40 | }, | 40 | }, |
41 | .irq = {IRQ_BASIC_GPIO, NO_IRQ}, | 41 | .irq = {IRQ_BASIC_GPIO, NO_IRQ}, |
@@ -48,7 +48,7 @@ struct amba_device uart_device = { | |||
48 | }, | 48 | }, |
49 | .res = { | 49 | .res = { |
50 | .start = SPEAR3XX_ICM1_UART_BASE, | 50 | .start = SPEAR3XX_ICM1_UART_BASE, |
51 | .end = SPEAR3XX_ICM1_UART_BASE + SPEAR3XX_ICM1_UART_SIZE - 1, | 51 | .end = SPEAR3XX_ICM1_UART_BASE + SZ_4K - 1, |
52 | .flags = IORESOURCE_MEM, | 52 | .flags = IORESOURCE_MEM, |
53 | }, | 53 | }, |
54 | .irq = {IRQ_UART, NO_IRQ}, | 54 | .irq = {IRQ_UART, NO_IRQ}, |
@@ -71,22 +71,22 @@ struct map_desc spear3xx_io_desc[] __initdata = { | |||
71 | { | 71 | { |
72 | .virtual = VA_SPEAR3XX_ICM1_UART_BASE, | 72 | .virtual = VA_SPEAR3XX_ICM1_UART_BASE, |
73 | .pfn = __phys_to_pfn(SPEAR3XX_ICM1_UART_BASE), | 73 | .pfn = __phys_to_pfn(SPEAR3XX_ICM1_UART_BASE), |
74 | .length = SPEAR3XX_ICM1_UART_SIZE, | 74 | .length = SZ_4K, |
75 | .type = MT_DEVICE | 75 | .type = MT_DEVICE |
76 | }, { | 76 | }, { |
77 | .virtual = VA_SPEAR3XX_ML1_VIC_BASE, | 77 | .virtual = VA_SPEAR3XX_ML1_VIC_BASE, |
78 | .pfn = __phys_to_pfn(SPEAR3XX_ML1_VIC_BASE), | 78 | .pfn = __phys_to_pfn(SPEAR3XX_ML1_VIC_BASE), |
79 | .length = SPEAR3XX_ML1_VIC_SIZE, | 79 | .length = SZ_4K, |
80 | .type = MT_DEVICE | 80 | .type = MT_DEVICE |
81 | }, { | 81 | }, { |
82 | .virtual = VA_SPEAR3XX_ICM3_SYS_CTRL_BASE, | 82 | .virtual = VA_SPEAR3XX_ICM3_SYS_CTRL_BASE, |
83 | .pfn = __phys_to_pfn(SPEAR3XX_ICM3_SYS_CTRL_BASE), | 83 | .pfn = __phys_to_pfn(SPEAR3XX_ICM3_SYS_CTRL_BASE), |
84 | .length = SPEAR3XX_ICM3_SYS_CTRL_SIZE, | 84 | .length = SZ_4K, |
85 | .type = MT_DEVICE | 85 | .type = MT_DEVICE |
86 | }, { | 86 | }, { |
87 | .virtual = VA_SPEAR3XX_ICM3_MISC_REG_BASE, | 87 | .virtual = VA_SPEAR3XX_ICM3_MISC_REG_BASE, |
88 | .pfn = __phys_to_pfn(SPEAR3XX_ICM3_MISC_REG_BASE), | 88 | .pfn = __phys_to_pfn(SPEAR3XX_ICM3_MISC_REG_BASE), |
89 | .length = SPEAR3XX_ICM3_MISC_REG_SIZE, | 89 | .length = SZ_4K, |
90 | .type = MT_DEVICE | 90 | .type = MT_DEVICE |
91 | }, | 91 | }, |
92 | }; | 92 | }; |
@@ -523,26 +523,35 @@ struct pmx_dev pmx_plgpio_45_46_49_50 = { | |||
523 | .mode_count = ARRAY_SIZE(pmx_plgpio_45_46_49_50_modes), | 523 | .mode_count = ARRAY_SIZE(pmx_plgpio_45_46_49_50_modes), |
524 | .enb_on_reset = 1, | 524 | .enb_on_reset = 1, |
525 | }; | 525 | }; |
526 | #endif /* CONFIG_MACH_SPEAR310 || CONFIG_MACH_SPEAR320 */ | ||
526 | 527 | ||
527 | #endif | 528 | static void __init spear3xx_timer_init(void) |
528 | |||
529 | /* spear padmux initialization function */ | ||
530 | void spear_pmx_init(struct pmx_driver *pmx_driver, uint base, uint size) | ||
531 | { | 529 | { |
532 | int ret = 0; | 530 | char pclk_name[] = "pll3_48m_clk"; |
531 | struct clk *gpt_clk, *pclk; | ||
532 | |||
533 | /* get the system timer clock */ | ||
534 | gpt_clk = clk_get_sys("gpt0", NULL); | ||
535 | if (IS_ERR(gpt_clk)) { | ||
536 | pr_err("%s:couldn't get clk for gpt\n", __func__); | ||
537 | BUG(); | ||
538 | } | ||
533 | 539 | ||
534 | /* pad mux initialization */ | 540 | /* get the suitable parent clock for timer*/ |
535 | pmx_driver->base = ioremap(base, size); | 541 | pclk = clk_get(NULL, pclk_name); |
536 | if (!pmx_driver->base) { | 542 | if (IS_ERR(pclk)) { |
537 | ret = -ENOMEM; | 543 | pr_err("%s:couldn't get %s as parent for gpt\n", |
538 | goto pmx_fail; | 544 | __func__, pclk_name); |
545 | BUG(); | ||
539 | } | 546 | } |
540 | 547 | ||
541 | ret = pmx_register(pmx_driver); | 548 | clk_set_parent(gpt_clk, pclk); |
542 | iounmap(pmx_driver->base); | 549 | clk_put(gpt_clk); |
550 | clk_put(pclk); | ||
543 | 551 | ||
544 | pmx_fail: | 552 | spear_setup_timer(); |
545 | if (ret) | ||
546 | printk(KERN_ERR "padmux: registration failed. err no: %d\n", | ||
547 | ret); | ||
548 | } | 553 | } |
554 | |||
555 | struct sys_timer spear3xx_timer = { | ||
556 | .init = spear3xx_timer_init, | ||
557 | }; | ||