select ARM_AMBA
select ARM_TIMER_SP804
select ARM_VIC
- select CLKDEV_LOOKUP
+ select CLKSRC_VERSATILE
+ select COMMON_CLK
+ select COMMON_CLK_VERSATILE
+ select CPU_ARM926T
select GENERIC_CLOCKEVENTS
- select HAVE_MACH_CLKDEV
select ICST
select PLAT_VERSATILE
- select PLAT_VERSATILE_CLOCK
- select PLAT_VERSATILE_SCHED_CLOCK
+ select MIGHT_HAVE_PCI
+ select SPARSE_IRQ
+ select USE_OF
select VERSATILE_FPGA_IRQ
help
This enables support for ARM Ltd Versatile board.
source "arch/arm/mach-ux500/Kconfig"
-source "arch/arm/mach-versatile/Kconfig"
-
source "arch/arm/mach-vexpress/Kconfig"
source "arch/arm/plat-versatile/Kconfig"
+++ /dev/null
-menu "Versatile platform type"
- depends on ARCH_VERSATILE
-
-config ARCH_VERSATILE_PB
- bool "Support Versatile Platform Baseboard for ARM926EJ-S"
- default y
- select CPU_ARM926T
- select MIGHT_HAVE_PCI
- help
- Include support for the ARM(R) Versatile Platform Baseboard
- for the ARM926EJ-S.
-
-config MACH_VERSATILE_AB
- bool "Support Versatile Application Baseboard for ARM926EJ-S"
- select CPU_ARM926T
- help
- Include support for the ARM(R) Versatile Application Baseboard
- for the ARM926EJ-S.
-
-config MACH_VERSATILE_DT
- bool "Support Versatile platform from device tree"
- select CPU_ARM926T
- select USE_OF
- help
- Include support for the ARM(R) Versatile/PB platform,
- using the device tree for discovery
-
-config MACH_VERSATILE_AUTO
- def_bool y
- depends on !ARCH_VERSATILE_PB && !MACH_VERSATILE_AB
- select MACH_VERSATILE_DT
-
-endmenu
# Makefile for the linux kernel.
#
-obj-y := core.o
-obj-$(CONFIG_ARCH_VERSATILE_PB) += versatile_pb.o
-obj-$(CONFIG_MACH_VERSATILE_AB) += versatile_ab.o
-obj-$(CONFIG_MACH_VERSATILE_DT) += versatile_dt.o
-obj-$(CONFIG_PCI) += pci.o
+obj-y := core.o versatile_dt.o
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
-#include <linux/irqdomain.h>
-#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/amba/bus.h>
#include <linux/amba/clcd.h>
#include <linux/platform_data/video-clcd-versatile.h>
-#include <linux/amba/pl061.h>
#include <linux/amba/mmci.h>
-#include <linux/amba/pl022.h>
#include <linux/io.h>
-#include <linux/irqchip/arm-vic.h>
-#include <linux/irqchip/versatile-fpga.h>
-#include <linux/gfp.h>
-#include <linux/clkdev.h>
#include <linux/mtd/physmap.h>
-#include <linux/bitops.h>
#include <linux/reboot.h>
-#include <clocksource/timer-sp804.h>
-
-#include <asm/irq.h>
-#include <asm/hardware/icst.h>
-#include <asm/mach-types.h>
-
#include <asm/mach/arch.h>
-#include <asm/mach/irq.h>
-#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <mach/hardware.h>
#include <mach/platform.h>
-#include <plat/sched_clock.h>
-
#include "core.h"
-/*
- * All IO addresses are mapped onto VA 0xFFFx.xxxx, where x.xxxx
- * is the (PA >> 12).
- *
- * Setup a VA for the Versatile Vectored Interrupt Controller.
- */
-#define VA_VIC_BASE __io_address(VERSATILE_VIC_BASE)
-#define VA_SIC_BASE __io_address(VERSATILE_SIC_BASE)
-
-/* These PIC IRQs are valid in each configuration */
-#define PIC_VALID_ALL BIT(SIC_INT_KMI0) | BIT(SIC_INT_KMI1) | \
- BIT(SIC_INT_SCI3) | BIT(SIC_INT_UART3) | \
- BIT(SIC_INT_CLCD) | BIT(SIC_INT_TOUCH) | \
- BIT(SIC_INT_KEYPAD) | BIT(SIC_INT_DoC) | \
- BIT(SIC_INT_USB) | BIT(SIC_INT_PCI0) | \
- BIT(SIC_INT_PCI1) | BIT(SIC_INT_PCI2) | \
- BIT(SIC_INT_PCI3)
-#if 1
-#define IRQ_MMCI0A IRQ_VICSOURCE22
-#define IRQ_AACI IRQ_VICSOURCE24
-#define IRQ_ETH IRQ_VICSOURCE25
-#define PIC_MASK 0xFFD00000
-#define PIC_VALID PIC_VALID_ALL
-#else
-#define IRQ_MMCI0A IRQ_SIC_MMCI0A
-#define IRQ_AACI IRQ_SIC_AACI
-#define IRQ_ETH IRQ_SIC_ETH
-#define PIC_MASK 0
-#define PIC_VALID PIC_VALID_ALL | BIT(SIC_INT_MMCI0A) | \
- BIT(SIC_INT_MMCI1A) | BIT(SIC_INT_AACI) | \
- BIT(SIC_INT_ETH)
-#endif
-
-/* Lookup table for finding a DT node that represents the vic instance */
-static const struct of_device_id vic_of_match[] __initconst = {
- { .compatible = "arm,versatile-vic", },
- {}
-};
-
-static const struct of_device_id sic_of_match[] __initconst = {
- { .compatible = "arm,versatile-sic", },
- {}
-};
-
-void __init versatile_init_irq(void)
-{
- struct device_node *np;
-
- np = of_find_matching_node_by_address(NULL, vic_of_match,
- VERSATILE_VIC_BASE);
- __vic_init(VA_VIC_BASE, 0, IRQ_VIC_START, ~0, 0, np);
-
- writel(~0, VA_SIC_BASE + SIC_IRQ_ENABLE_CLEAR);
-
- np = of_find_matching_node_by_address(NULL, sic_of_match,
- VERSATILE_SIC_BASE);
-
- fpga_irq_init(VA_SIC_BASE, "SIC", IRQ_SIC_START,
- IRQ_VICSOURCE31, PIC_VALID, np);
-
- /*
- * Interrupts on secondary controller from 0 to 8 are routed to
- * source 31 on PIC.
- * Interrupts from 21 to 31 are routed directly to the VIC on
- * the corresponding number on primary controller. This is controlled
- * by setting PIC_ENABLEx.
- */
- writel(PIC_MASK, VA_SIC_BASE + SIC_INT_PIC_ENABLE);
-}
-
static struct map_desc versatile_io_desc[] __initdata __maybe_unused = {
{
.virtual = IO_ADDRESS(VERSATILE_SYS_BASE),
.pfn = __phys_to_pfn(VERSATILE_SYS_BASE),
.length = SZ_4K,
.type = MT_DEVICE
- }, {
- .virtual = IO_ADDRESS(VERSATILE_SIC_BASE),
- .pfn = __phys_to_pfn(VERSATILE_SIC_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE
- }, {
- .virtual = IO_ADDRESS(VERSATILE_VIC_BASE),
- .pfn = __phys_to_pfn(VERSATILE_VIC_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE
}, {
.virtual = IO_ADDRESS(VERSATILE_SCTL_BASE),
.pfn = __phys_to_pfn(VERSATILE_SCTL_BASE),
.length = SZ_4K * 9,
.type = MT_DEVICE
},
-#ifdef CONFIG_MACH_VERSATILE_AB
{
.virtual = IO_ADDRESS(VERSATILE_IB2_BASE),
.pfn = __phys_to_pfn(VERSATILE_IB2_BASE),
.length = SZ_64M,
.type = MT_DEVICE
},
-#endif
-#ifdef CONFIG_DEBUG_LL
- {
- .virtual = IO_ADDRESS(VERSATILE_UART0_BASE),
- .pfn = __phys_to_pfn(VERSATILE_UART0_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE
- },
-#endif
-#ifdef CONFIG_PCI
- {
- .virtual = IO_ADDRESS(VERSATILE_PCI_CORE_BASE),
- .pfn = __phys_to_pfn(VERSATILE_PCI_CORE_BASE),
- .length = SZ_4K,
- .type = MT_DEVICE
- }, {
- .virtual = (unsigned long)VERSATILE_PCI_VIRT_BASE,
- .pfn = __phys_to_pfn(VERSATILE_PCI_BASE),
- .length = VERSATILE_PCI_BASE_SIZE,
- .type = MT_DEVICE
- }, {
- .virtual = (unsigned long)VERSATILE_PCI_CFG_VIRT_BASE,
- .pfn = __phys_to_pfn(VERSATILE_PCI_CFG_BASE),
- .length = VERSATILE_PCI_CFG_BASE_SIZE,
- .type = MT_DEVICE
- },
-#endif
};
void __init versatile_map_io(void)
{
+ debug_ll_io_init();
iotable_init(versatile_io_desc, ARRAY_SIZE(versatile_io_desc));
}
.flags = IORESOURCE_MEM,
};
-static struct platform_device versatile_flash_device = {
+struct platform_device versatile_flash_device = {
.name = "physmap-flash",
.id = 0,
.dev = {
.resource = &versatile_flash_resource,
};
-static struct resource smc91x_resources[] = {
- [0] = {
- .start = VERSATILE_ETH_BASE,
- .end = VERSATILE_ETH_BASE + SZ_64K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_ETH,
- .end = IRQ_ETH,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device smc91x_device = {
- .name = "smc91x",
- .id = 0,
- .num_resources = ARRAY_SIZE(smc91x_resources),
- .resource = smc91x_resources,
-};
-
-static struct resource versatile_i2c_resource = {
- .start = VERSATILE_I2C_BASE,
- .end = VERSATILE_I2C_BASE + SZ_4K - 1,
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device versatile_i2c_device = {
- .name = "versatile-i2c",
- .id = 0,
- .num_resources = 1,
- .resource = &versatile_i2c_resource,
-};
-
-static struct i2c_board_info versatile_i2c_board_info[] = {
- {
- I2C_BOARD_INFO("ds1338", 0xd0 >> 1),
- },
-};
-
-static int __init versatile_i2c_init(void)
-{
- return i2c_register_board_info(0, versatile_i2c_board_info,
- ARRAY_SIZE(versatile_i2c_board_info));
-}
-arch_initcall(versatile_i2c_init);
-
#define VERSATILE_SYSMCI (__io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_MCI_OFFSET)
unsigned int mmc_status(struct device *dev)
.gpio_cd = -1,
};
-static struct resource char_lcd_resources[] = {
- {
- .start = VERSATILE_CHAR_LCD_BASE,
- .end = (VERSATILE_CHAR_LCD_BASE + SZ_4K - 1),
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct platform_device char_lcd_device = {
- .name = "arm-charlcd",
- .id = -1,
- .num_resources = ARRAY_SIZE(char_lcd_resources),
- .resource = char_lcd_resources,
-};
-
-static struct resource leds_resources[] = {
- {
- .start = VERSATILE_SYS_BASE + VERSATILE_SYS_LED_OFFSET,
- .end = VERSATILE_SYS_BASE + VERSATILE_SYS_LED_OFFSET + 4,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct platform_device leds_device = {
- .name = "versatile-leds",
- .id = -1,
- .num_resources = ARRAY_SIZE(leds_resources),
- .resource = leds_resources,
-};
-
-/*
- * Clock handling
- */
-static const struct icst_params versatile_oscvco_params = {
- .ref = 24000000,
- .vco_max = ICST307_VCO_MAX,
- .vco_min = ICST307_VCO_MIN,
- .vd_min = 4 + 8,
- .vd_max = 511 + 8,
- .rd_min = 1 + 2,
- .rd_max = 127 + 2,
- .s2div = icst307_s2div,
- .idx2s = icst307_idx2s,
-};
-
-static void versatile_oscvco_set(struct clk *clk, struct icst_vco vco)
-{
- void __iomem *sys_lock = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_LOCK_OFFSET;
- u32 val;
-
- val = readl(clk->vcoreg) & ~0x7ffff;
- val |= vco.v | (vco.r << 9) | (vco.s << 16);
-
- writel(0xa05f, sys_lock);
- writel(val, clk->vcoreg);
- writel(0, sys_lock);
-}
-
-static const struct clk_ops osc4_clk_ops = {
- .round = icst_clk_round,
- .set = icst_clk_set,
- .setvco = versatile_oscvco_set,
-};
-
-static struct clk osc4_clk = {
- .ops = &osc4_clk_ops,
- .params = &versatile_oscvco_params,
-};
-
-/*
- * These are fixed clocks.
- */
-static struct clk ref24_clk = {
- .rate = 24000000,
-};
-
-static struct clk sp804_clk = {
- .rate = 1000000,
-};
-
-static struct clk dummy_apb_pclk;
-
-static struct clk_lookup lookups[] = {
- { /* AMBA bus clock */
- .con_id = "apb_pclk",
- .clk = &dummy_apb_pclk,
- }, { /* UART0 */
- .dev_id = "dev:f1",
- .clk = &ref24_clk,
- }, { /* UART1 */
- .dev_id = "dev:f2",
- .clk = &ref24_clk,
- }, { /* UART2 */
- .dev_id = "dev:f3",
- .clk = &ref24_clk,
- }, { /* UART3 */
- .dev_id = "fpga:09",
- .clk = &ref24_clk,
- }, { /* KMI0 */
- .dev_id = "fpga:06",
- .clk = &ref24_clk,
- }, { /* KMI1 */
- .dev_id = "fpga:07",
- .clk = &ref24_clk,
- }, { /* MMC0 */
- .dev_id = "fpga:05",
- .clk = &ref24_clk,
- }, { /* MMC1 */
- .dev_id = "fpga:0b",
- .clk = &ref24_clk,
- }, { /* SSP */
- .dev_id = "dev:f4",
- .clk = &ref24_clk,
- }, { /* CLCD */
- .dev_id = "dev:20",
- .clk = &osc4_clk,
- }, { /* SP804 timers */
- .dev_id = "sp804",
- .clk = &sp804_clk,
- },
+static struct mmci_platform_data mmc1_plat_data = {
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .status = mmc_status,
+ .gpio_wp = -1,
+ .gpio_cd = -1,
};
/*
val &= ~SYS_CLCD_NLCDIOON | SYS_CLCD_PWR3V5SWITCH;
writel(val, sys_clcd);
-#ifdef CONFIG_MACH_VERSATILE_AB
/*
* If the LCD is Sanyo 2x5 in on the IB2 board, turn the back-light off
*/
- if (machine_is_versatile_ab() && is_sanyo_2_5_lcd) {
+ if (of_machine_is_compatible("arm,versatile-ab") && is_sanyo_2_5_lcd) {
void __iomem *versatile_ib2_ctrl = __io_address(VERSATILE_IB2_CTRL);
unsigned long ctrl;
ctrl &= ~0x01;
writel(ctrl, versatile_ib2_ctrl);
}
-#endif
}
/*
val |= SYS_CLCD_NLCDIOON | SYS_CLCD_PWR3V5SWITCH;
writel(val, sys_clcd);
-#ifdef CONFIG_MACH_VERSATILE_AB
/*
* If the LCD is Sanyo 2x5 in on the IB2 board, turn the back-light on
*/
- if (machine_is_versatile_ab() && is_sanyo_2_5_lcd) {
+ if (of_machine_is_compatible("arm,versatile-ab") && is_sanyo_2_5_lcd) {
void __iomem *versatile_ib2_ctrl = __io_address(VERSATILE_IB2_CTRL);
unsigned long ctrl;
ctrl |= 0x01;
writel(ctrl, versatile_ib2_ctrl);
}
-#endif
}
/*
.remove = versatile_clcd_remove_dma,
};
-static struct pl061_platform_data gpio0_plat_data = {
- .gpio_base = 0,
- .irq_base = IRQ_GPIO0_START,
-};
-
-static struct pl061_platform_data gpio1_plat_data = {
- .gpio_base = 8,
- .irq_base = IRQ_GPIO1_START,
-};
-
-static struct pl061_platform_data gpio2_plat_data = {
- .gpio_base = 16,
- .irq_base = IRQ_GPIO2_START,
-};
-
-static struct pl061_platform_data gpio3_plat_data = {
- .gpio_base = 24,
- .irq_base = IRQ_GPIO3_START,
-};
-
-static struct pl022_ssp_controller ssp0_plat_data = {
- .bus_id = 0,
- .enable_dma = 0,
- .num_chipselect = 1,
-};
-
-#define AACI_IRQ { IRQ_AACI }
-#define MMCI0_IRQ { IRQ_MMCI0A,IRQ_SIC_MMCI0B }
-#define KMI0_IRQ { IRQ_SIC_KMI0 }
-#define KMI1_IRQ { IRQ_SIC_KMI1 }
-
-/*
- * These devices are connected directly to the multi-layer AHB switch
- */
-#define SMC_IRQ { }
-#define MPMC_IRQ { }
-#define CLCD_IRQ { IRQ_CLCDINT }
-#define DMAC_IRQ { IRQ_DMAINT }
-
-/*
- * These devices are connected via the core APB bridge
- */
-#define SCTL_IRQ { }
-#define WATCHDOG_IRQ { IRQ_WDOGINT }
-#define GPIO0_IRQ { IRQ_GPIOINT0 }
-#define GPIO1_IRQ { IRQ_GPIOINT1 }
-#define GPIO2_IRQ { IRQ_GPIOINT2 }
-#define GPIO3_IRQ { IRQ_GPIOINT3 }
-#define RTC_IRQ { IRQ_RTCINT }
-
-/*
- * These devices are connected via the DMA APB bridge
- */
-#define SCI_IRQ { IRQ_SCIINT }
-#define UART0_IRQ { IRQ_UARTINT0 }
-#define UART1_IRQ { IRQ_UARTINT1 }
-#define UART2_IRQ { IRQ_UARTINT2 }
-#define SSP_IRQ { IRQ_SSPINT }
-
-/* FPGA Primecells */
-APB_DEVICE(aaci, "fpga:04", AACI, NULL);
-APB_DEVICE(mmc0, "fpga:05", MMCI0, &mmc0_plat_data);
-APB_DEVICE(kmi0, "fpga:06", KMI0, NULL);
-APB_DEVICE(kmi1, "fpga:07", KMI1, NULL);
-
-/* DevChip Primecells */
-AHB_DEVICE(smc, "dev:00", SMC, NULL);
-AHB_DEVICE(mpmc, "dev:10", MPMC, NULL);
-AHB_DEVICE(clcd, "dev:20", CLCD, &clcd_plat_data);
-AHB_DEVICE(dmac, "dev:30", DMAC, NULL);
-APB_DEVICE(sctl, "dev:e0", SCTL, NULL);
-APB_DEVICE(wdog, "dev:e1", WATCHDOG, NULL);
-APB_DEVICE(gpio0, "dev:e4", GPIO0, &gpio0_plat_data);
-APB_DEVICE(gpio1, "dev:e5", GPIO1, &gpio1_plat_data);
-APB_DEVICE(gpio2, "dev:e6", GPIO2, &gpio2_plat_data);
-APB_DEVICE(gpio3, "dev:e7", GPIO3, &gpio3_plat_data);
-APB_DEVICE(rtc, "dev:e8", RTC, NULL);
-APB_DEVICE(sci0, "dev:f0", SCI, NULL);
-APB_DEVICE(uart0, "dev:f1", UART0, NULL);
-APB_DEVICE(uart1, "dev:f2", UART1, NULL);
-APB_DEVICE(uart2, "dev:f3", UART2, NULL);
-APB_DEVICE(ssp0, "dev:f4", SSP, &ssp0_plat_data);
-
-static struct amba_device *amba_devs[] __initdata = {
- &dmac_device,
- &uart0_device,
- &uart1_device,
- &uart2_device,
- &smc_device,
- &mpmc_device,
- &clcd_device,
- &sctl_device,
- &wdog_device,
- &gpio0_device,
- &gpio1_device,
- &gpio2_device,
- &gpio3_device,
- &rtc_device,
- &sci0_device,
- &ssp0_device,
- &aaci_device,
- &mmc0_device,
- &kmi0_device,
- &kmi1_device,
-};
-
-#ifdef CONFIG_OF
/*
* Lookup table for attaching a specific name and platform_data pointer to
* devices as they get created by of_platform_populate(). Ideally this table
*/
struct of_dev_auxdata versatile_auxdata_lookup[] __initdata = {
OF_DEV_AUXDATA("arm,primecell", VERSATILE_MMCI0_BASE, "fpga:05", &mmc0_plat_data),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_KMI0_BASE, "fpga:06", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_KMI1_BASE, "fpga:07", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART3_BASE, "fpga:09", NULL),
- /* FIXME: this is buggy, the platform data is needed for this MMC instance too */
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_MMCI1_BASE, "fpga:0b", NULL),
+ OF_DEV_AUXDATA("arm,primecell", VERSATILE_MMCI1_BASE, "fpga:0b", &mmc1_plat_data),
OF_DEV_AUXDATA("arm,primecell", VERSATILE_CLCD_BASE, "dev:20", &clcd_plat_data),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART0_BASE, "dev:f1", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART1_BASE, "dev:f2", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART2_BASE, "dev:f3", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_SSP_BASE, "dev:f4", &ssp0_plat_data),
-#if 0
- /*
- * These entries are unnecessary because no clocks referencing
- * them. I've left them in for now as place holders in case
- * any of them need to be added back, but they should be
- * removed before actually committing this patch. --gcl
- */
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_AACI_BASE, "fpga:04", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_SCI1_BASE, "fpga:0a", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_SMC_BASE, "dev:00", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_MPMC_BASE, "dev:10", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_DMAC_BASE, "dev:30", NULL),
-
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_SCTL_BASE, "dev:e0", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_WATCHDOG_BASE, "dev:e1", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO0_BASE, "dev:e4", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO1_BASE, "dev:e5", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO2_BASE, "dev:e6", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO3_BASE, "dev:e7", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_RTC_BASE, "dev:e8", NULL),
- OF_DEV_AUXDATA("arm,primecell", VERSATILE_SCI_BASE, "dev:f0", NULL),
-#endif
{}
};
-#endif
void versatile_restart(enum reboot_mode mode, const char *cmd)
{
void __init versatile_init_early(void)
{
u32 val;
- void __iomem *sys = __io_address(VERSATILE_SYS_BASE);
-
- osc4_clk.vcoreg = sys + VERSATILE_SYS_OSCCLCD_OFFSET;
- clkdev_add_table(lookups, ARRAY_SIZE(lookups));
-
- versatile_sched_clock_init(sys + VERSATILE_SYS_24MHz_OFFSET, 24000000);
/*
* set clock frequency:
(VERSATILE_TIMCLK << VERSATILE_TIMER4_EnSel) | val,
__io_address(VERSATILE_SCTL_BASE));
}
-
-void __init versatile_init(void)
-{
- int i;
-
- platform_device_register(&versatile_flash_device);
- platform_device_register(&versatile_i2c_device);
- platform_device_register(&smc91x_device);
- platform_device_register(&char_lcd_device);
- platform_device_register(&leds_device);
-
- for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
- struct amba_device *d = amba_devs[i];
- amba_device_register(d, &iomem_resource);
- }
-}
-
-/*
- * Where is the timer (VA)?
- */
-#define TIMER0_VA_BASE __io_address(VERSATILE_TIMER0_1_BASE)
-#define TIMER1_VA_BASE (__io_address(VERSATILE_TIMER0_1_BASE) + 0x20)
-#define TIMER2_VA_BASE __io_address(VERSATILE_TIMER2_3_BASE)
-#define TIMER3_VA_BASE (__io_address(VERSATILE_TIMER2_3_BASE) + 0x20)
-
-/*
- * Set up timer interrupt, and return the current time in seconds.
- */
-void __init versatile_timer_init(void)
-{
-
- /*
- * Initialise to a known state (all timers off)
- */
- sp804_timer_disable(TIMER0_VA_BASE);
- sp804_timer_disable(TIMER1_VA_BASE);
- sp804_timer_disable(TIMER2_VA_BASE);
- sp804_timer_disable(TIMER3_VA_BASE);
-
- sp804_clocksource_init(TIMER3_VA_BASE, "timer3");
- sp804_clockevents_init(TIMER0_VA_BASE, IRQ_TIMERINT0_1, "timer0");
-}
#include <linux/of_platform.h>
#include <linux/reboot.h>
-extern void __init versatile_init(void);
+extern struct platform_device versatile_flash_device;
+
extern void __init versatile_init_early(void);
extern void __init versatile_init_irq(void);
extern void __init versatile_map_io(void);
extern struct of_dev_auxdata versatile_auxdata_lookup[];
#endif
-#define APB_DEVICE(name, busid, base, plat) \
-static AMBA_APB_DEVICE(name, busid, 0, VERSATILE_##base##_BASE, base##_IRQ, plat)
-
-#define AHB_DEVICE(name, busid, base, plat) \
-static AMBA_AHB_DEVICE(name, busid, 0, VERSATILE_##base##_BASE, base##_IRQ, plat)
-
#endif
+++ /dev/null
-#ifndef __ASM_MACH_CLKDEV_H
-#define __ASM_MACH_CLKDEV_H
-
-#include <plat/clock.h>
-
-struct clk {
- unsigned long rate;
- const struct clk_ops *ops;
- const struct icst_params *params;
- void __iomem *vcoreg;
-};
-
-#define __clk_get(clk) ({ 1; })
-#define __clk_put(clk) do { } while (0)
-
-#endif
#include <asm/sizes.h>
-/*
- * PCI space virtual addresses
- */
-#define VERSATILE_PCI_VIRT_BASE (void __iomem *)0xe8000000ul
-#define VERSATILE_PCI_CFG_VIRT_BASE (void __iomem *)0xe9000000ul
-
/* macro to get at MMIO space when running virtually */
#define IO_ADDRESS(x) (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
+++ /dev/null
-/*
- * arch/arm/mach-versatile/include/mach/irqs.h
- *
- * Copyright (C) 2003 ARM Limited
- * Copyright (C) 2000 Deep Blue Solutions Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <mach/platform.h>
-
-/*
- * IRQ interrupts definitions are the same as the INT definitions
- * held within platform.h
- */
-#define IRQ_VIC_START 32
-#define IRQ_WDOGINT (IRQ_VIC_START + INT_WDOGINT)
-#define IRQ_SOFTINT (IRQ_VIC_START + INT_SOFTINT)
-#define IRQ_COMMRx (IRQ_VIC_START + INT_COMMRx)
-#define IRQ_COMMTx (IRQ_VIC_START + INT_COMMTx)
-#define IRQ_TIMERINT0_1 (IRQ_VIC_START + INT_TIMERINT0_1)
-#define IRQ_TIMERINT2_3 (IRQ_VIC_START + INT_TIMERINT2_3)
-#define IRQ_GPIOINT0 (IRQ_VIC_START + INT_GPIOINT0)
-#define IRQ_GPIOINT1 (IRQ_VIC_START + INT_GPIOINT1)
-#define IRQ_GPIOINT2 (IRQ_VIC_START + INT_GPIOINT2)
-#define IRQ_GPIOINT3 (IRQ_VIC_START + INT_GPIOINT3)
-#define IRQ_RTCINT (IRQ_VIC_START + INT_RTCINT)
-#define IRQ_SSPINT (IRQ_VIC_START + INT_SSPINT)
-#define IRQ_UARTINT0 (IRQ_VIC_START + INT_UARTINT0)
-#define IRQ_UARTINT1 (IRQ_VIC_START + INT_UARTINT1)
-#define IRQ_UARTINT2 (IRQ_VIC_START + INT_UARTINT2)
-#define IRQ_SCIINT (IRQ_VIC_START + INT_SCIINT)
-#define IRQ_CLCDINT (IRQ_VIC_START + INT_CLCDINT)
-#define IRQ_DMAINT (IRQ_VIC_START + INT_DMAINT)
-#define IRQ_PWRFAILINT (IRQ_VIC_START + INT_PWRFAILINT)
-#define IRQ_MBXINT (IRQ_VIC_START + INT_MBXINT)
-#define IRQ_GNDINT (IRQ_VIC_START + INT_GNDINT)
-#define IRQ_VICSOURCE21 (IRQ_VIC_START + INT_VICSOURCE21)
-#define IRQ_VICSOURCE22 (IRQ_VIC_START + INT_VICSOURCE22)
-#define IRQ_VICSOURCE23 (IRQ_VIC_START + INT_VICSOURCE23)
-#define IRQ_VICSOURCE24 (IRQ_VIC_START + INT_VICSOURCE24)
-#define IRQ_VICSOURCE25 (IRQ_VIC_START + INT_VICSOURCE25)
-#define IRQ_VICSOURCE26 (IRQ_VIC_START + INT_VICSOURCE26)
-#define IRQ_VICSOURCE27 (IRQ_VIC_START + INT_VICSOURCE27)
-#define IRQ_VICSOURCE28 (IRQ_VIC_START + INT_VICSOURCE28)
-#define IRQ_VICSOURCE29 (IRQ_VIC_START + INT_VICSOURCE29)
-#define IRQ_VICSOURCE30 (IRQ_VIC_START + INT_VICSOURCE30)
-#define IRQ_VICSOURCE31 (IRQ_VIC_START + INT_VICSOURCE31)
-#define IRQ_VIC_END (IRQ_VIC_START + 31)
-
-/*
- * FIQ interrupts definitions are the same as the INT definitions.
- */
-#define FIQ_WDOGINT INT_WDOGINT
-#define FIQ_SOFTINT INT_SOFTINT
-#define FIQ_COMMRx INT_COMMRx
-#define FIQ_COMMTx INT_COMMTx
-#define FIQ_TIMERINT0_1 INT_TIMERINT0_1
-#define FIQ_TIMERINT2_3 INT_TIMERINT2_3
-#define FIQ_GPIOINT0 INT_GPIOINT0
-#define FIQ_GPIOINT1 INT_GPIOINT1
-#define FIQ_GPIOINT2 INT_GPIOINT2
-#define FIQ_GPIOINT3 INT_GPIOINT3
-#define FIQ_RTCINT INT_RTCINT
-#define FIQ_SSPINT INT_SSPINT
-#define FIQ_UARTINT0 INT_UARTINT0
-#define FIQ_UARTINT1 INT_UARTINT1
-#define FIQ_UARTINT2 INT_UARTINT2
-#define FIQ_SCIINT INT_SCIINT
-#define FIQ_CLCDINT INT_CLCDINT
-#define FIQ_DMAINT INT_DMAINT
-#define FIQ_PWRFAILINT INT_PWRFAILINT
-#define FIQ_MBXINT INT_MBXINT
-#define FIQ_GNDINT INT_GNDINT
-#define FIQ_VICSOURCE21 INT_VICSOURCE21
-#define FIQ_VICSOURCE22 INT_VICSOURCE22
-#define FIQ_VICSOURCE23 INT_VICSOURCE23
-#define FIQ_VICSOURCE24 INT_VICSOURCE24
-#define FIQ_VICSOURCE25 INT_VICSOURCE25
-#define FIQ_VICSOURCE26 INT_VICSOURCE26
-#define FIQ_VICSOURCE27 INT_VICSOURCE27
-#define FIQ_VICSOURCE28 INT_VICSOURCE28
-#define FIQ_VICSOURCE29 INT_VICSOURCE29
-#define FIQ_VICSOURCE30 INT_VICSOURCE30
-#define FIQ_VICSOURCE31 INT_VICSOURCE31
-
-
-/*
- * Secondary interrupt controller
- */
-#define IRQ_SIC_START 64
-#define IRQ_SIC_MMCI0B (IRQ_SIC_START + SIC_INT_MMCI0B)
-#define IRQ_SIC_MMCI1B (IRQ_SIC_START + SIC_INT_MMCI1B)
-#define IRQ_SIC_KMI0 (IRQ_SIC_START + SIC_INT_KMI0)
-#define IRQ_SIC_KMI1 (IRQ_SIC_START + SIC_INT_KMI1)
-#define IRQ_SIC_SCI3 (IRQ_SIC_START + SIC_INT_SCI3)
-#define IRQ_SIC_UART3 (IRQ_SIC_START + SIC_INT_UART3)
-#define IRQ_SIC_CLCD (IRQ_SIC_START + SIC_INT_CLCD)
-#define IRQ_SIC_TOUCH (IRQ_SIC_START + SIC_INT_TOUCH)
-#define IRQ_SIC_KEYPAD (IRQ_SIC_START + SIC_INT_KEYPAD)
-#define IRQ_SIC_DoC (IRQ_SIC_START + SIC_INT_DoC)
-#define IRQ_SIC_MMCI0A (IRQ_SIC_START + SIC_INT_MMCI0A)
-#define IRQ_SIC_MMCI1A (IRQ_SIC_START + SIC_INT_MMCI1A)
-#define IRQ_SIC_AACI (IRQ_SIC_START + SIC_INT_AACI)
-#define IRQ_SIC_ETH (IRQ_SIC_START + SIC_INT_ETH)
-#define IRQ_SIC_USB (IRQ_SIC_START + SIC_INT_USB)
-#define IRQ_SIC_PCI0 (IRQ_SIC_START + SIC_INT_PCI0)
-#define IRQ_SIC_PCI1 (IRQ_SIC_START + SIC_INT_PCI1)
-#define IRQ_SIC_PCI2 (IRQ_SIC_START + SIC_INT_PCI2)
-#define IRQ_SIC_PCI3 (IRQ_SIC_START + SIC_INT_PCI3)
-#define IRQ_SIC_END 95
-
-#define IRQ_GPIO0_START (IRQ_SIC_END + 1)
-#define IRQ_GPIO0_END (IRQ_GPIO0_START + 31)
-#define IRQ_GPIO1_START (IRQ_GPIO0_END + 1)
-#define IRQ_GPIO1_END (IRQ_GPIO1_START + 31)
-#define IRQ_GPIO2_START (IRQ_GPIO1_END + 1)
-#define IRQ_GPIO2_END (IRQ_GPIO2_START + 31)
-#define IRQ_GPIO3_START (IRQ_GPIO2_END + 1)
-#define IRQ_GPIO3_END (IRQ_GPIO3_START + 31)
-
-#define NR_IRQS (IRQ_GPIO3_END + 1)
/*
* VERSATILE peripheral addresses
*/
-#define VERSATILE_PCI_CORE_BASE 0x10001000 /* PCI core control */
-#define VERSATILE_I2C_BASE 0x10002000 /* I2C control */
-#define VERSATILE_SIC_BASE 0x10003000 /* Secondary interrupt controller */
-#define VERSATILE_AACI_BASE 0x10004000 /* Audio */
#define VERSATILE_MMCI0_BASE 0x10005000 /* MMC interface */
-#define VERSATILE_KMI0_BASE 0x10006000 /* KMI interface */
-#define VERSATILE_KMI1_BASE 0x10007000 /* KMI 2nd interface */
-#define VERSATILE_CHAR_LCD_BASE 0x10008000 /* Character LCD */
-#define VERSATILE_UART3_BASE 0x10009000 /* UART 3 */
-#define VERSATILE_SCI1_BASE 0x1000A000
#define VERSATILE_MMCI1_BASE 0x1000B000 /* MMC Interface */
- /* 0x1000C000 - 0x1000CFFF = reserved */
-#define VERSATILE_ETH_BASE 0x10010000 /* Ethernet */
-#define VERSATILE_USB_BASE 0x10020000 /* USB */
- /* 0x10030000 - 0x100FFFFF = reserved */
-#define VERSATILE_SMC_BASE 0x10100000 /* SMC */
-#define VERSATILE_MPMC_BASE 0x10110000 /* MPMC */
#define VERSATILE_CLCD_BASE 0x10120000 /* CLCD */
-#define VERSATILE_DMAC_BASE 0x10130000 /* DMA controller */
-#define VERSATILE_VIC_BASE 0x10140000 /* Vectored interrupt controller */
-#define VERSATILE_PERIPH_BASE 0x10150000 /* off-chip peripherals alias from */
- /* 0x10000000 - 0x100FFFFF */
-#define VERSATILE_AHBM_BASE 0x101D0000 /* AHB monitor */
#define VERSATILE_SCTL_BASE 0x101E0000 /* System controller */
-#define VERSATILE_WATCHDOG_BASE 0x101E1000 /* Watchdog */
-#define VERSATILE_TIMER0_1_BASE 0x101E2000 /* Timer 0 and 1 */
-#define VERSATILE_TIMER2_3_BASE 0x101E3000 /* Timer 2 and 3 */
-#define VERSATILE_GPIO0_BASE 0x101E4000 /* GPIO port 0 */
-#define VERSATILE_GPIO1_BASE 0x101E5000 /* GPIO port 1 */
-#define VERSATILE_GPIO2_BASE 0x101E6000 /* GPIO port 2 */
-#define VERSATILE_GPIO3_BASE 0x101E7000 /* GPIO port 3 */
-#define VERSATILE_RTC_BASE 0x101E8000 /* Real Time Clock */
- /* 0x101E9000 - reserved */
-#define VERSATILE_SCI_BASE 0x101F0000 /* Smart card controller */
-#define VERSATILE_UART0_BASE 0x101F1000 /* Uart 0 */
-#define VERSATILE_UART1_BASE 0x101F2000 /* Uart 1 */
-#define VERSATILE_UART2_BASE 0x101F3000 /* Uart 2 */
-#define VERSATILE_SSP_BASE 0x101F4000 /* Synchronous Serial Port */
-
-#define VERSATILE_SSMC_BASE 0x20000000 /* SSMC */
#define VERSATILE_IB2_BASE 0x24000000 /* IB2 module */
-#define VERSATILE_MBX_BASE 0x40000000 /* MBX */
-
-/* PCI space */
-#define VERSATILE_PCI_BASE 0x41000000 /* PCI Interface */
-#define VERSATILE_PCI_CFG_BASE 0x42000000
-#define VERSATILE_PCI_IO_BASE 0x43000000
-#define VERSATILE_PCI_MEM_BASE0 0x44000000
-#define VERSATILE_PCI_MEM_BASE1 0x50000000
-#define VERSATILE_PCI_MEM_BASE2 0x60000000
-/* Sizes of above maps */
-#define VERSATILE_PCI_BASE_SIZE 0x01000000
-#define VERSATILE_PCI_CFG_BASE_SIZE 0x02000000
-#define VERSATILE_PCI_IO_BASE_SIZE 0x01000000
-#define VERSATILE_PCI_MEM_BASE0_SIZE 0x0c000000 /* 32Mb */
-#define VERSATILE_PCI_MEM_BASE1_SIZE 0x10000000 /* 256Mb */
-#define VERSATILE_PCI_MEM_BASE2_SIZE 0x10000000 /* 256Mb */
-
-#define VERSATILE_SDRAM67_BASE 0x70000000 /* SDRAM banks 6 and 7 */
-#define VERSATILE_LT_BASE 0x80000000 /* Logic Tile expansion */
/*
- * Disk on Chip
- */
-#define VERSATILE_DOC_BASE 0x2C000000
-#define VERSATILE_DOC_SIZE (16 << 20)
-#define VERSATILE_DOC_PAGE_SIZE 512
-#define VERSATILE_DOC_TOTAL_PAGES (DOC_SIZE / PAGE_SIZE)
-
-#define ERASE_UNIT_PAGES 32
-#define START_PAGE 0x80
-
-/*
* LED settings, bits [7:0]
*/
#define VERSATILE_SYS_LED0 (1 << 0)
#define VERSATILE_INTREG_OFFSET 0x8 /* Interrupt control */
#define VERSATILE_DECODE_OFFSET 0xC /* Fitted logic modules */
-
-/* ------------------------------------------------------------------------
- * Versatile Interrupt Controller - control registers
- * ------------------------------------------------------------------------
- *
- * Offsets from interrupt controller base
- *
- * System Controller interrupt controller base is
- *
- * VERSATILE_IC_BASE
- *
- * Core Module interrupt controller base is
- *
- * VERSATILE_SYS_IC
- *
- */
-/* VIC definitions in include/asm-arm/hardware/vic.h */
-
-#define SIC_IRQ_STATUS 0
-#define SIC_IRQ_RAW_STATUS 0x04
-#define SIC_IRQ_ENABLE 0x08
-#define SIC_IRQ_ENABLE_SET 0x08
-#define SIC_IRQ_ENABLE_CLEAR 0x0C
-#define SIC_INT_SOFT_SET 0x10
-#define SIC_INT_SOFT_CLEAR 0x14
-#define SIC_INT_PIC_ENABLE 0x20 /* read status of pass through mask */
-#define SIC_INT_PIC_ENABLES 0x20 /* set interrupt pass through bits */
-#define SIC_INT_PIC_ENABLEC 0x24 /* Clear interrupt pass through bits */
-
-/* ------------------------------------------------------------------------
- * Interrupts - bit assignment (primary)
- * ------------------------------------------------------------------------
- */
-
-#define INT_WDOGINT 0 /* Watchdog timer */
-#define INT_SOFTINT 1 /* Software interrupt */
-#define INT_COMMRx 2 /* Debug Comm Rx interrupt */
-#define INT_COMMTx 3 /* Debug Comm Tx interrupt */
-#define INT_TIMERINT0_1 4 /* Timer 0 and 1 */
-#define INT_TIMERINT2_3 5 /* Timer 2 and 3 */
-#define INT_GPIOINT0 6 /* GPIO 0 */
-#define INT_GPIOINT1 7 /* GPIO 1 */
-#define INT_GPIOINT2 8 /* GPIO 2 */
-#define INT_GPIOINT3 9 /* GPIO 3 */
-#define INT_RTCINT 10 /* Real Time Clock */
-#define INT_SSPINT 11 /* Synchronous Serial Port */
-#define INT_UARTINT0 12 /* UART 0 on development chip */
-#define INT_UARTINT1 13 /* UART 1 on development chip */
-#define INT_UARTINT2 14 /* UART 2 on development chip */
-#define INT_SCIINT 15 /* Smart Card Interface */
-#define INT_CLCDINT 16 /* CLCD controller */
-#define INT_DMAINT 17 /* DMA controller */
-#define INT_PWRFAILINT 18 /* Power failure */
-#define INT_MBXINT 19 /* Graphics processor */
-#define INT_GNDINT 20 /* Reserved */
- /* External interrupt signals from logic tiles or secondary controller */
-#define INT_VICSOURCE21 21 /* Disk on Chip */
-#define INT_VICSOURCE22 22 /* MCI0A */
-#define INT_VICSOURCE23 23 /* MCI1A */
-#define INT_VICSOURCE24 24 /* AACI */
-#define INT_VICSOURCE25 25 /* Ethernet */
-#define INT_VICSOURCE26 26 /* USB */
-#define INT_VICSOURCE27 27 /* PCI 0 */
-#define INT_VICSOURCE28 28 /* PCI 1 */
-#define INT_VICSOURCE29 29 /* PCI 2 */
-#define INT_VICSOURCE30 30 /* PCI 3 */
-#define INT_VICSOURCE31 31 /* SIC source */
-
-#define VERSATILE_SC_VALID_INT 0x003FFFFF
-
-#define MAXIRQNUM 31
-#define MAXFIQNUM 31
-#define MAXSWINUM 31
-
-/* ------------------------------------------------------------------------
- * Interrupts - bit assignment (secondary)
- * ------------------------------------------------------------------------
- */
-#define SIC_INT_MMCI0B 1 /* Multimedia Card 0B */
-#define SIC_INT_MMCI1B 2 /* Multimedia Card 1B */
-#define SIC_INT_KMI0 3 /* Keyboard/Mouse port 0 */
-#define SIC_INT_KMI1 4 /* Keyboard/Mouse port 1 */
-#define SIC_INT_SCI3 5 /* Smart Card interface */
-#define SIC_INT_UART3 6 /* UART 3 empty or data available */
-#define SIC_INT_CLCD 7 /* Character LCD */
-#define SIC_INT_TOUCH 8 /* Touchscreen */
-#define SIC_INT_KEYPAD 9 /* Key pressed on display keypad */
- /* 10:20 - reserved */
-#define SIC_INT_DoC 21 /* Disk on Chip memory controller */
-#define SIC_INT_MMCI0A 22 /* MMC 0A */
-#define SIC_INT_MMCI1A 23 /* MMC 1A */
-#define SIC_INT_AACI 24 /* Audio Codec */
-#define SIC_INT_ETH 25 /* Ethernet controller */
-#define SIC_INT_USB 26 /* USB controller */
-#define SIC_INT_PCI0 27
-#define SIC_INT_PCI1 28
-#define SIC_INT_PCI2 29
-#define SIC_INT_PCI3 30
-
-
/*
* System controller bit assignment
*/
#define VERSATILE_TIMER4_EnSel 21
-#define VERSATILE_CSR_BASE 0x10000000
-#define VERSATILE_CSR_SIZE 0x10000000
-
-#ifdef CONFIG_MACH_VERSATILE_AB
/*
* IB2 Versatile/AB expansion board definitions
*/
-#define VERSATILE_IB2_CAMERA_BANK VERSATILE_IB2_BASE
-#define VERSATILE_IB2_KBD_DATAREG (VERSATILE_IB2_BASE + 0x01000000)
-
/* VICINTSOURCE27 */
#define VERSATILE_IB2_INT_BASE (VERSATILE_IB2_BASE + 0x02000000)
#define VERSATILE_IB2_IER (VERSATILE_IB2_INT_BASE + 0)
#define VERSATILE_IB2_CTL_BASE (VERSATILE_IB2_BASE + 0x03000000)
#define VERSATILE_IB2_CTRL (VERSATILE_IB2_CTL_BASE + 0)
#define VERSATILE_IB2_STAT (VERSATILE_IB2_CTL_BASE + 4)
-#endif
#endif
+++ /dev/null
-/*
- * linux/arch/arm/mach-versatile/pci.c
- *
- * (C) Copyright Koninklijke Philips Electronics NV 2004. All rights reserved.
- * You can redistribute and/or modify this software under the terms of version 2
- * of the GNU General Public License as published by the Free Software Foundation.
- * THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- * Koninklijke Philips Electronics nor its subsidiaries is obligated to provide any support for this software.
- *
- * ARM Versatile PCI driver.
- *
- * 14/04/2005 Initial version, colin.king@philips.com
- *
- */
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/ioport.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#include <linux/init.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <mach/irqs.h>
-#include <asm/irq.h>
-#include <asm/mach/pci.h>
-
-/*
- * these spaces are mapped using the following base registers:
- *
- * Usage Local Bus Memory Base/Map registers used
- *
- * Mem 50000000 - 5FFFFFFF LB_BASE0/LB_MAP0, non prefetch
- * Mem 60000000 - 6FFFFFFF LB_BASE1/LB_MAP1, prefetch
- * IO 44000000 - 4FFFFFFF LB_BASE2/LB_MAP2, IO
- * Cfg 42000000 - 42FFFFFF PCI config
- *
- */
-#define __IO_ADDRESS(n) ((void __iomem *)(unsigned long)IO_ADDRESS(n))
-#define SYS_PCICTL __IO_ADDRESS(VERSATILE_SYS_PCICTL)
-#define PCI_IMAP0 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x0)
-#define PCI_IMAP1 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x4)
-#define PCI_IMAP2 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x8)
-#define PCI_SMAP0 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x14)
-#define PCI_SMAP1 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x18)
-#define PCI_SMAP2 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x1c)
-#define PCI_SELFID __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0xc)
-
-#define DEVICE_ID_OFFSET 0x00
-#define CSR_OFFSET 0x04
-#define CLASS_ID_OFFSET 0x08
-
-#define VP_PCI_DEVICE_ID 0x030010ee
-#define VP_PCI_CLASS_ID 0x0b400000
-
-static unsigned long pci_slot_ignore = 0;
-
-static int __init versatile_pci_slot_ignore(char *str)
-{
- int retval;
- int slot;
-
- while ((retval = get_option(&str,&slot))) {
- if ((slot < 0) || (slot > 31)) {
- printk("Illegal slot value: %d\n",slot);
- } else {
- pci_slot_ignore |= (1 << slot);
- }
- }
- return 1;
-}
-
-__setup("pci_slot_ignore=", versatile_pci_slot_ignore);
-
-
-static void __iomem *__pci_addr(struct pci_bus *bus,
- unsigned int devfn, int offset)
-{
- unsigned int busnr = bus->number;
-
- /*
- * Trap out illegal values
- */
- if (offset > 255)
- BUG();
- if (busnr > 255)
- BUG();
- if (devfn > 255)
- BUG();
-
- return VERSATILE_PCI_CFG_VIRT_BASE + ((busnr << 16) |
- (PCI_SLOT(devfn) << 11) | (PCI_FUNC(devfn) << 8) | offset);
-}
-
-static int versatile_read_config(struct pci_bus *bus, unsigned int devfn, int where,
- int size, u32 *val)
-{
- void __iomem *addr = __pci_addr(bus, devfn, where & ~3);
- u32 v;
- int slot = PCI_SLOT(devfn);
-
- if (pci_slot_ignore & (1 << slot)) {
- /* Ignore this slot */
- switch (size) {
- case 1:
- v = 0xff;
- break;
- case 2:
- v = 0xffff;
- break;
- default:
- v = 0xffffffff;
- }
- } else {
- switch (size) {
- case 1:
- v = __raw_readl(addr);
- if (where & 2) v >>= 16;
- if (where & 1) v >>= 8;
- v &= 0xff;
- break;
-
- case 2:
- v = __raw_readl(addr);
- if (where & 2) v >>= 16;
- v &= 0xffff;
- break;
-
- default:
- v = __raw_readl(addr);
- break;
- }
- }
-
- *val = v;
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int versatile_write_config(struct pci_bus *bus, unsigned int devfn, int where,
- int size, u32 val)
-{
- void __iomem *addr = __pci_addr(bus, devfn, where);
- int slot = PCI_SLOT(devfn);
-
- if (pci_slot_ignore & (1 << slot)) {
- return PCIBIOS_SUCCESSFUL;
- }
-
- switch (size) {
- case 1:
- __raw_writeb((u8)val, addr);
- break;
-
- case 2:
- __raw_writew((u16)val, addr);
- break;
-
- case 4:
- __raw_writel(val, addr);
- break;
- }
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static struct pci_ops pci_versatile_ops = {
- .read = versatile_read_config,
- .write = versatile_write_config,
-};
-
-static struct resource unused_mem = {
- .name = "PCI unused",
- .start = VERSATILE_PCI_MEM_BASE0,
- .end = VERSATILE_PCI_MEM_BASE0+VERSATILE_PCI_MEM_BASE0_SIZE-1,
- .flags = IORESOURCE_MEM,
-};
-
-static struct resource non_mem = {
- .name = "PCI non-prefetchable",
- .start = VERSATILE_PCI_MEM_BASE1,
- .end = VERSATILE_PCI_MEM_BASE1+VERSATILE_PCI_MEM_BASE1_SIZE-1,
- .flags = IORESOURCE_MEM,
-};
-
-static struct resource pre_mem = {
- .name = "PCI prefetchable",
- .start = VERSATILE_PCI_MEM_BASE2,
- .end = VERSATILE_PCI_MEM_BASE2+VERSATILE_PCI_MEM_BASE2_SIZE-1,
- .flags = IORESOURCE_MEM | IORESOURCE_PREFETCH,
-};
-
-static int __init pci_versatile_setup_resources(struct pci_sys_data *sys)
-{
- int ret = 0;
-
- ret = request_resource(&iomem_resource, &unused_mem);
- if (ret) {
- printk(KERN_ERR "PCI: unable to allocate unused "
- "memory region (%d)\n", ret);
- goto out;
- }
- ret = request_resource(&iomem_resource, &non_mem);
- if (ret) {
- printk(KERN_ERR "PCI: unable to allocate non-prefetchable "
- "memory region (%d)\n", ret);
- goto release_unused_mem;
- }
- ret = request_resource(&iomem_resource, &pre_mem);
- if (ret) {
- printk(KERN_ERR "PCI: unable to allocate prefetchable "
- "memory region (%d)\n", ret);
- goto release_non_mem;
- }
-
- /*
- * the mem resource for this bus
- * the prefetch mem resource for this bus
- */
- pci_add_resource_offset(&sys->resources, &non_mem, sys->mem_offset);
- pci_add_resource_offset(&sys->resources, &pre_mem, sys->mem_offset);
-
- goto out;
-
- release_non_mem:
- release_resource(&non_mem);
- release_unused_mem:
- release_resource(&unused_mem);
- out:
- return ret;
-}
-
-int __init pci_versatile_setup(int nr, struct pci_sys_data *sys)
-{
- int ret = 0;
- int i;
- int myslot = -1;
- unsigned long val;
- void __iomem *local_pci_cfg_base;
-
- val = __raw_readl(SYS_PCICTL);
- if (!(val & 1)) {
- printk("Not plugged into PCI backplane!\n");
- ret = -EIO;
- goto out;
- }
-
- ret = pci_ioremap_io(0, VERSATILE_PCI_IO_BASE);
- if (ret)
- goto out;
-
- if (nr == 0) {
- ret = pci_versatile_setup_resources(sys);
- if (ret < 0) {
- printk("pci_versatile_setup: resources... oops?\n");
- goto out;
- }
- } else {
- printk("pci_versatile_setup: resources... nr == 0??\n");
- goto out;
- }
-
- /*
- * We need to discover the PCI core first to configure itself
- * before the main PCI probing is performed
- */
- for (i=0; i<32; i++)
- if ((__raw_readl(VERSATILE_PCI_VIRT_BASE+(i<<11)+DEVICE_ID_OFFSET) == VP_PCI_DEVICE_ID) &&
- (__raw_readl(VERSATILE_PCI_VIRT_BASE+(i<<11)+CLASS_ID_OFFSET) == VP_PCI_CLASS_ID)) {
- myslot = i;
- break;
- }
-
- if (myslot == -1) {
- printk("Cannot find PCI core!\n");
- ret = -EIO;
- goto out;
- }
-
- printk("PCI core found (slot %d)\n",myslot);
-
- __raw_writel(myslot, PCI_SELFID);
- local_pci_cfg_base = VERSATILE_PCI_CFG_VIRT_BASE + (myslot << 11);
-
- val = __raw_readl(local_pci_cfg_base + CSR_OFFSET);
- val |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE;
- __raw_writel(val, local_pci_cfg_base + CSR_OFFSET);
-
- /*
- * Configure the PCI inbound memory windows to be 1:1 mapped to SDRAM
- */
- __raw_writel(PHYS_OFFSET, local_pci_cfg_base + PCI_BASE_ADDRESS_0);
- __raw_writel(PHYS_OFFSET, local_pci_cfg_base + PCI_BASE_ADDRESS_1);
- __raw_writel(PHYS_OFFSET, local_pci_cfg_base + PCI_BASE_ADDRESS_2);
-
- /*
- * For many years the kernel and QEMU were symbiotically buggy
- * in that they both assumed the same broken IRQ mapping.
- * QEMU therefore attempts to auto-detect old broken kernels
- * so that they still work on newer QEMU as they did on old
- * QEMU. Since we now use the correct (ie matching-hardware)
- * IRQ mapping we write a definitely different value to a
- * PCI_INTERRUPT_LINE register to tell QEMU that we expect
- * real hardware behaviour and it need not be backwards
- * compatible for us. This write is harmless on real hardware.
- */
- __raw_writel(0, VERSATILE_PCI_VIRT_BASE+PCI_INTERRUPT_LINE);
-
- /*
- * Do not to map Versatile FPGA PCI device into memory space
- */
- pci_slot_ignore |= (1 << myslot);
- ret = 1;
-
- out:
- return ret;
-}
-
-
-void __init pci_versatile_preinit(void)
-{
- pcibios_min_mem = 0x50000000;
-
- __raw_writel(VERSATILE_PCI_MEM_BASE0 >> 28, PCI_IMAP0);
- __raw_writel(VERSATILE_PCI_MEM_BASE1 >> 28, PCI_IMAP1);
- __raw_writel(VERSATILE_PCI_MEM_BASE2 >> 28, PCI_IMAP2);
-
- __raw_writel(PHYS_OFFSET >> 28, PCI_SMAP0);
- __raw_writel(PHYS_OFFSET >> 28, PCI_SMAP1);
- __raw_writel(PHYS_OFFSET >> 28, PCI_SMAP2);
-
- __raw_writel(1, SYS_PCICTL);
-}
-
-/*
- * map the specified device/slot/pin to an IRQ. Different backplanes may need to modify this.
- */
-static int __init versatile_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
- int irq;
-
- /*
- * Slot INTA INTB INTC INTD
- * 31 PCI1 PCI2 PCI3 PCI0
- * 30 PCI0 PCI1 PCI2 PCI3
- * 29 PCI3 PCI0 PCI1 PCI2
- */
- irq = IRQ_SIC_PCI0 + ((slot + 2 + pin - 1) & 3);
-
- return irq;
-}
-
-static struct hw_pci versatile_pci __initdata = {
- .map_irq = versatile_map_irq,
- .nr_controllers = 1,
- .ops = &pci_versatile_ops,
- .setup = pci_versatile_setup,
- .preinit = pci_versatile_preinit,
-};
-
-static int __init versatile_pci_init(void)
-{
- pci_common_init(&versatile_pci);
- return 0;
-}
-
-subsys_initcall(versatile_pci_init);
+++ /dev/null
-/*
- * linux/arch/arm/mach-versatile/versatile_ab.c
- *
- * Copyright (C) 2004 ARM Limited
- * Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/amba/bus.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <asm/irq.h>
-#include <asm/mach-types.h>
-
-#include <asm/mach/arch.h>
-
-#include "core.h"
-
-MACHINE_START(VERSATILE_AB, "ARM-Versatile AB")
- /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
- .atag_offset = 0x100,
- .map_io = versatile_map_io,
- .init_early = versatile_init_early,
- .init_irq = versatile_init_irq,
- .init_time = versatile_timer_init,
- .init_machine = versatile_init,
- .restart = versatile_restart,
-MACHINE_END
versatile_dt_pci_init();
+ platform_device_register(&versatile_flash_device);
of_platform_populate(NULL, of_default_bus_match_table,
versatile_auxdata_lookup, NULL);
}
+++ /dev/null
-/*
- * linux/arch/arm/mach-versatile/versatile_pb.c
- *
- * Copyright (C) 2004 ARM Limited
- * Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/pl061.h>
-#include <linux/amba/mmci.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <asm/irq.h>
-#include <asm/mach-types.h>
-
-#include <asm/mach/arch.h>
-
-#include "core.h"
-
-#if 1
-#define IRQ_MMCI1A IRQ_VICSOURCE23
-#else
-#define IRQ_MMCI1A IRQ_SIC_MMCI1A
-#endif
-
-static struct mmci_platform_data mmc1_plat_data = {
- .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
- .status = mmc_status,
- .gpio_wp = -1,
- .gpio_cd = -1,
-};
-
-#define UART3_IRQ { IRQ_SIC_UART3 }
-#define SCI1_IRQ { IRQ_SIC_SCI3 }
-#define MMCI1_IRQ { IRQ_MMCI1A, IRQ_SIC_MMCI1B }
-
-/*
- * These devices are connected via the DMA APB bridge
- */
-
-/* FPGA Primecells */
-APB_DEVICE(uart3, "fpga:09", UART3, NULL);
-APB_DEVICE(sci1, "fpga:0a", SCI1, NULL);
-APB_DEVICE(mmc1, "fpga:0b", MMCI1, &mmc1_plat_data);
-
-
-static struct amba_device *amba_devs[] __initdata = {
- &uart3_device,
- &sci1_device,
- &mmc1_device,
-};
-
-static void __init versatile_pb_init(void)
-{
- int i;
-
- versatile_init();
-
- for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
- struct amba_device *d = amba_devs[i];
- amba_device_register(d, &iomem_resource);
- }
-}
-
-MACHINE_START(VERSATILE_PB, "ARM-Versatile PB")
- /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
- .atag_offset = 0x100,
- .map_io = versatile_map_io,
- .init_early = versatile_init_early,
- .init_irq = versatile_init_irq,
- .init_time = versatile_timer_init,
- .init_machine = versatile_pb_init,
- .restart = versatile_restart,
-MACHINE_END
config COMMON_CLK_VERSATILE
bool "Clock driver for ARM Reference designs"
- depends on ARCH_INTEGRATOR || ARCH_REALVIEW || ARCH_VEXPRESS || ARM64 || COMPILE_TEST
+ depends on ARCH_INTEGRATOR || ARCH_REALVIEW || \
+ ARCH_VERSATILE || ARCH_VEXPRESS || ARM64 || \
+ COMPILE_TEST
---help---
Supports clocking on ARM Reference designs:
- Integrator/AP and Integrator/CP
projects / cascardo / linux.git / commitdiff