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Diffstat (limited to 'arch/arm/mach-iop13xx/setup.c')
-rw-r--r--arch/arm/mach-iop13xx/setup.c595
1 files changed, 0 insertions, 595 deletions
diff --git a/arch/arm/mach-iop13xx/setup.c b/arch/arm/mach-iop13xx/setup.c
deleted file mode 100644
index c5c84c9ec9ee..000000000000
--- a/arch/arm/mach-iop13xx/setup.c
+++ /dev/null
@@ -1,595 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * iop13xx platform Initialization
- * Copyright (c) 2005-2006, Intel Corporation.
- */
-
-#include <linux/dma-mapping.h>
-#include <linux/serial_8250.h>
-#include <linux/io.h>
-#include <linux/reboot.h>
-#ifdef CONFIG_MTD_PHYSMAP
-#include <linux/mtd/physmap.h>
-#endif
-#include <asm/mach/map.h>
-#include <mach/hardware.h>
-#include <asm/irq.h>
-#include <asm/hardware/iop_adma.h>
-#include <mach/irqs.h>
-
-#define IOP13XX_UART_XTAL 33334000
-#define IOP13XX_SETUP_DEBUG 0
-#define PRINTK(x...) ((void)(IOP13XX_SETUP_DEBUG && printk(x)))
-
-/* Standard IO mapping for all IOP13XX based systems
- */
-static struct map_desc iop13xx_std_desc[] __initdata = {
- { /* mem mapped registers */
- .virtual = (unsigned long)IOP13XX_PMMR_VIRT_MEM_BASE,
- .pfn = __phys_to_pfn(IOP13XX_PMMR_PHYS_MEM_BASE),
- .length = IOP13XX_PMMR_SIZE,
- .type = MT_DEVICE,
- },
-};
-
-static struct resource iop13xx_uart0_resources[] = {
- [0] = {
- .start = IOP13XX_UART0_PHYS,
- .end = IOP13XX_UART0_PHYS + 0x3f,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_IOP13XX_UART0,
- .end = IRQ_IOP13XX_UART0,
- .flags = IORESOURCE_IRQ
- }
-};
-
-static struct resource iop13xx_uart1_resources[] = {
- [0] = {
- .start = IOP13XX_UART1_PHYS,
- .end = IOP13XX_UART1_PHYS + 0x3f,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_IOP13XX_UART1,
- .end = IRQ_IOP13XX_UART1,
- .flags = IORESOURCE_IRQ
- }
-};
-
-static struct plat_serial8250_port iop13xx_uart0_data[] = {
- {
- .membase = IOP13XX_UART0_VIRT,
- .mapbase = IOP13XX_UART0_PHYS,
- .irq = IRQ_IOP13XX_UART0,
- .uartclk = IOP13XX_UART_XTAL,
- .regshift = 2,
- .iotype = UPIO_MEM,
- .flags = UPF_SKIP_TEST,
- },
- { },
-};
-
-static struct plat_serial8250_port iop13xx_uart1_data[] = {
- {
- .membase = IOP13XX_UART1_VIRT,
- .mapbase = IOP13XX_UART1_PHYS,
- .irq = IRQ_IOP13XX_UART1,
- .uartclk = IOP13XX_UART_XTAL,
- .regshift = 2,
- .iotype = UPIO_MEM,
- .flags = UPF_SKIP_TEST,
- },
- { },
-};
-
-/* The ids are fixed up later in iop13xx_platform_init */
-static struct platform_device iop13xx_uart0 = {
- .name = "serial8250",
- .id = 0,
- .dev.platform_data = iop13xx_uart0_data,
- .num_resources = 2,
- .resource = iop13xx_uart0_resources,
-};
-
-static struct platform_device iop13xx_uart1 = {
- .name = "serial8250",
- .id = 0,
- .dev.platform_data = iop13xx_uart1_data,
- .num_resources = 2,
- .resource = iop13xx_uart1_resources
-};
-
-static struct resource iop13xx_i2c_0_resources[] = {
- [0] = {
- .start = IOP13XX_I2C0_PHYS,
- .end = IOP13XX_I2C0_PHYS + 0x18,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_IOP13XX_I2C_0,
- .end = IRQ_IOP13XX_I2C_0,
- .flags = IORESOURCE_IRQ
- }
-};
-
-static struct resource iop13xx_i2c_1_resources[] = {
- [0] = {
- .start = IOP13XX_I2C1_PHYS,
- .end = IOP13XX_I2C1_PHYS + 0x18,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_IOP13XX_I2C_1,
- .end = IRQ_IOP13XX_I2C_1,
- .flags = IORESOURCE_IRQ
- }
-};
-
-static struct resource iop13xx_i2c_2_resources[] = {
- [0] = {
- .start = IOP13XX_I2C2_PHYS,
- .end = IOP13XX_I2C2_PHYS + 0x18,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_IOP13XX_I2C_2,
- .end = IRQ_IOP13XX_I2C_2,
- .flags = IORESOURCE_IRQ
- }
-};
-
-/* I2C controllers. The IOP13XX uses the same block as the IOP3xx, so
- * we just use the same device name.
- */
-
-/* The ids are fixed up later in iop13xx_platform_init */
-static struct platform_device iop13xx_i2c_0_controller = {
- .name = "IOP3xx-I2C",
- .id = 0,
- .num_resources = 2,
- .resource = iop13xx_i2c_0_resources
-};
-
-static struct platform_device iop13xx_i2c_1_controller = {
- .name = "IOP3xx-I2C",
- .id = 0,
- .num_resources = 2,
- .resource = iop13xx_i2c_1_resources
-};
-
-static struct platform_device iop13xx_i2c_2_controller = {
- .name = "IOP3xx-I2C",
- .id = 0,
- .num_resources = 2,
- .resource = iop13xx_i2c_2_resources
-};
-
-#ifdef CONFIG_MTD_PHYSMAP
-/* PBI Flash Device
- */
-static struct physmap_flash_data iq8134x_flash_data = {
- .width = 2,
-};
-
-static struct resource iq8134x_flash_resource = {
- .start = IQ81340_FLASHBASE,
- .end = 0,
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device iq8134x_flash = {
- .name = "physmap-flash",
- .id = 0,
- .dev = { .platform_data = &iq8134x_flash_data, },
- .num_resources = 1,
- .resource = &iq8134x_flash_resource,
-};
-
-static unsigned long iq8134x_probe_flash_size(void)
-{
- uint8_t __iomem *flash_addr = ioremap(IQ81340_FLASHBASE, PAGE_SIZE);
- int i;
- char query[3];
- unsigned long size = 0;
- int width = iq8134x_flash_data.width;
-
- if (flash_addr) {
- /* send CFI 'query' command */
- writew(0x98, flash_addr);
-
- /* check for CFI compliance */
- for (i = 0; i < 3 * width; i += width)
- query[i / width] = readb(flash_addr + (0x10 * width) + i);
-
- /* read the size */
- if (memcmp(query, "QRY", 3) == 0)
- size = 1 << readb(flash_addr + (0x27 * width));
-
- /* send CFI 'read array' command */
- writew(0xff, flash_addr);
-
- iounmap(flash_addr);
- }
-
- return size;
-}
-#endif
-
-/* ADMA Channels */
-static struct resource iop13xx_adma_0_resources[] = {
- [0] = {
- .start = IOP13XX_ADMA_PHYS_BASE(0),
- .end = IOP13XX_ADMA_UPPER_PA(0),
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_IOP13XX_ADMA0_EOT,
- .end = IRQ_IOP13XX_ADMA0_EOT,
- .flags = IORESOURCE_IRQ
- },
- [2] = {
- .start = IRQ_IOP13XX_ADMA0_EOC,
- .end = IRQ_IOP13XX_ADMA0_EOC,
- .flags = IORESOURCE_IRQ
- },
- [3] = {
- .start = IRQ_IOP13XX_ADMA0_ERR,
- .end = IRQ_IOP13XX_ADMA0_ERR,
- .flags = IORESOURCE_IRQ
- }
-};
-
-static struct resource iop13xx_adma_1_resources[] = {
- [0] = {
- .start = IOP13XX_ADMA_PHYS_BASE(1),
- .end = IOP13XX_ADMA_UPPER_PA(1),
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_IOP13XX_ADMA1_EOT,
- .end = IRQ_IOP13XX_ADMA1_EOT,
- .flags = IORESOURCE_IRQ
- },
- [2] = {
- .start = IRQ_IOP13XX_ADMA1_EOC,
- .end = IRQ_IOP13XX_ADMA1_EOC,
- .flags = IORESOURCE_IRQ
- },
- [3] = {
- .start = IRQ_IOP13XX_ADMA1_ERR,
- .end = IRQ_IOP13XX_ADMA1_ERR,
- .flags = IORESOURCE_IRQ
- }
-};
-
-static struct resource iop13xx_adma_2_resources[] = {
- [0] = {
- .start = IOP13XX_ADMA_PHYS_BASE(2),
- .end = IOP13XX_ADMA_UPPER_PA(2),
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_IOP13XX_ADMA2_EOT,
- .end = IRQ_IOP13XX_ADMA2_EOT,
- .flags = IORESOURCE_IRQ
- },
- [2] = {
- .start = IRQ_IOP13XX_ADMA2_EOC,
- .end = IRQ_IOP13XX_ADMA2_EOC,
- .flags = IORESOURCE_IRQ
- },
- [3] = {
- .start = IRQ_IOP13XX_ADMA2_ERR,
- .end = IRQ_IOP13XX_ADMA2_ERR,
- .flags = IORESOURCE_IRQ
- }
-};
-
-static u64 iop13xx_adma_dmamask = DMA_BIT_MASK(32);
-static struct iop_adma_platform_data iop13xx_adma_0_data = {
- .hw_id = 0,
- .pool_size = PAGE_SIZE,
-};
-
-static struct iop_adma_platform_data iop13xx_adma_1_data = {
- .hw_id = 1,
- .pool_size = PAGE_SIZE,
-};
-
-static struct iop_adma_platform_data iop13xx_adma_2_data = {
- .hw_id = 2,
- .pool_size = PAGE_SIZE,
-};
-
-/* The ids are fixed up later in iop13xx_platform_init */
-static struct platform_device iop13xx_adma_0_channel = {
- .name = "iop-adma",
- .id = 0,
- .num_resources = 4,
- .resource = iop13xx_adma_0_resources,
- .dev = {
- .dma_mask = &iop13xx_adma_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- .platform_data = (void *) &iop13xx_adma_0_data,
- },
-};
-
-static struct platform_device iop13xx_adma_1_channel = {
- .name = "iop-adma",
- .id = 0,
- .num_resources = 4,
- .resource = iop13xx_adma_1_resources,
- .dev = {
- .dma_mask = &iop13xx_adma_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- .platform_data = (void *) &iop13xx_adma_1_data,
- },
-};
-
-static struct platform_device iop13xx_adma_2_channel = {
- .name = "iop-adma",
- .id = 0,
- .num_resources = 4,
- .resource = iop13xx_adma_2_resources,
- .dev = {
- .dma_mask = &iop13xx_adma_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- .platform_data = (void *) &iop13xx_adma_2_data,
- },
-};
-
-void __init iop13xx_map_io(void)
-{
- /* Initialize the Static Page Table maps */
- iotable_init(iop13xx_std_desc, ARRAY_SIZE(iop13xx_std_desc));
-}
-
-static int init_uart;
-static int init_i2c;
-static int init_adma;
-
-void __init iop13xx_platform_init(void)
-{
- int i;
- u32 uart_idx, i2c_idx, adma_idx, plat_idx;
- struct platform_device *iop13xx_devices[IQ81340_MAX_PLAT_DEVICES];
-
- /* set the bases so we can read the device id */
- iop13xx_set_atu_mmr_bases();
-
- memset(iop13xx_devices, 0, sizeof(iop13xx_devices));
-
- if (init_uart == IOP13XX_INIT_UART_DEFAULT) {
- switch (iop13xx_dev_id()) {
- /* enable both uarts on iop341 */
- case 0x3380:
- case 0x3384:
- case 0x3388:
- case 0x338c:
- init_uart |= IOP13XX_INIT_UART_0;
- init_uart |= IOP13XX_INIT_UART_1;
- break;
- /* only enable uart 1 */
- default:
- init_uart |= IOP13XX_INIT_UART_1;
- }
- }
-
- if (init_i2c == IOP13XX_INIT_I2C_DEFAULT) {
- switch (iop13xx_dev_id()) {
- /* enable all i2c units on iop341 and iop342 */
- case 0x3380:
- case 0x3384:
- case 0x3388:
- case 0x338c:
- case 0x3382:
- case 0x3386:
- case 0x338a:
- case 0x338e:
- init_i2c |= IOP13XX_INIT_I2C_0;
- init_i2c |= IOP13XX_INIT_I2C_1;
- init_i2c |= IOP13XX_INIT_I2C_2;
- break;
- /* only enable i2c 1 and 2 */
- default:
- init_i2c |= IOP13XX_INIT_I2C_1;
- init_i2c |= IOP13XX_INIT_I2C_2;
- }
- }
-
- if (init_adma == IOP13XX_INIT_ADMA_DEFAULT) {
- init_adma |= IOP13XX_INIT_ADMA_0;
- init_adma |= IOP13XX_INIT_ADMA_1;
- init_adma |= IOP13XX_INIT_ADMA_2;
- }
-
- plat_idx = 0;
- uart_idx = 0;
- i2c_idx = 0;
-
- /* uart 1 (if enabled) is ttyS0 */
- if (init_uart & IOP13XX_INIT_UART_1) {
- PRINTK("Adding uart1 to platform device list\n");
- iop13xx_uart1.id = uart_idx++;
- iop13xx_devices[plat_idx++] = &iop13xx_uart1;
- }
- if (init_uart & IOP13XX_INIT_UART_0) {
- PRINTK("Adding uart0 to platform device list\n");
- iop13xx_uart0.id = uart_idx++;
- iop13xx_devices[plat_idx++] = &iop13xx_uart0;
- }
-
- for(i = 0; i < IQ81340_NUM_I2C; i++) {
- if ((init_i2c & (1 << i)) && IOP13XX_SETUP_DEBUG)
- printk("Adding i2c%d to platform device list\n", i);
- switch(init_i2c & (1 << i)) {
- case IOP13XX_INIT_I2C_0:
- iop13xx_i2c_0_controller.id = i2c_idx++;
- iop13xx_devices[plat_idx++] =
- &iop13xx_i2c_0_controller;
- break;
- case IOP13XX_INIT_I2C_1:
- iop13xx_i2c_1_controller.id = i2c_idx++;
- iop13xx_devices[plat_idx++] =
- &iop13xx_i2c_1_controller;
- break;
- case IOP13XX_INIT_I2C_2:
- iop13xx_i2c_2_controller.id = i2c_idx++;
- iop13xx_devices[plat_idx++] =
- &iop13xx_i2c_2_controller;
- break;
- }
- }
-
- /* initialize adma channel ids and capabilities */
- adma_idx = 0;
- for (i = 0; i < IQ81340_NUM_ADMA; i++) {
- struct iop_adma_platform_data *plat_data;
- if ((init_adma & (1 << i)) && IOP13XX_SETUP_DEBUG)
- printk(KERN_INFO
- "Adding adma%d to platform device list\n", i);
- switch (init_adma & (1 << i)) {
- case IOP13XX_INIT_ADMA_0:
- iop13xx_adma_0_channel.id = adma_idx++;
- iop13xx_devices[plat_idx++] = &iop13xx_adma_0_channel;
- plat_data = &iop13xx_adma_0_data;
- dma_cap_set(DMA_MEMCPY, plat_data->cap_mask);
- dma_cap_set(DMA_XOR, plat_data->cap_mask);
- dma_cap_set(DMA_XOR_VAL, plat_data->cap_mask);
- dma_cap_set(DMA_INTERRUPT, plat_data->cap_mask);
- break;
- case IOP13XX_INIT_ADMA_1:
- iop13xx_adma_1_channel.id = adma_idx++;
- iop13xx_devices[plat_idx++] = &iop13xx_adma_1_channel;
- plat_data = &iop13xx_adma_1_data;
- dma_cap_set(DMA_MEMCPY, plat_data->cap_mask);
- dma_cap_set(DMA_XOR, plat_data->cap_mask);
- dma_cap_set(DMA_XOR_VAL, plat_data->cap_mask);
- dma_cap_set(DMA_INTERRUPT, plat_data->cap_mask);
- break;
- case IOP13XX_INIT_ADMA_2:
- iop13xx_adma_2_channel.id = adma_idx++;
- iop13xx_devices[plat_idx++] = &iop13xx_adma_2_channel;
- plat_data = &iop13xx_adma_2_data;
- dma_cap_set(DMA_MEMCPY, plat_data->cap_mask);
- dma_cap_set(DMA_XOR, plat_data->cap_mask);
- dma_cap_set(DMA_XOR_VAL, plat_data->cap_mask);
- dma_cap_set(DMA_INTERRUPT, plat_data->cap_mask);
- dma_cap_set(DMA_PQ, plat_data->cap_mask);
- dma_cap_set(DMA_PQ_VAL, plat_data->cap_mask);
- break;
- }
- }
-
-#ifdef CONFIG_MTD_PHYSMAP
- iq8134x_flash_resource.end = iq8134x_flash_resource.start +
- iq8134x_probe_flash_size() - 1;
- if (iq8134x_flash_resource.end > iq8134x_flash_resource.start)
- iop13xx_devices[plat_idx++] = &iq8134x_flash;
- else
- printk(KERN_ERR "%s: Failed to probe flash size\n", __func__);
-#endif
-
- platform_add_devices(iop13xx_devices, plat_idx);
-}
-
-static int __init iop13xx_init_uart_setup(char *str)
-{
- if (str) {
- while (*str != '\0') {
- switch(*str) {
- case '0':
- init_uart |= IOP13XX_INIT_UART_0;
- break;
- case '1':
- init_uart |= IOP13XX_INIT_UART_1;
- break;
- case ',':
- case '=':
- break;
- default:
- PRINTK("\"iop13xx_init_uart\" malformed"
- " at character: \'%c\'", *str);
- *(str + 1) = '\0';
- init_uart = IOP13XX_INIT_UART_DEFAULT;
- }
- str++;
- }
- }
- return 1;
-}
-
-static int __init iop13xx_init_i2c_setup(char *str)
-{
- if (str) {
- while (*str != '\0') {
- switch(*str) {
- case '0':
- init_i2c |= IOP13XX_INIT_I2C_0;
- break;
- case '1':
- init_i2c |= IOP13XX_INIT_I2C_1;
- break;
- case '2':
- init_i2c |= IOP13XX_INIT_I2C_2;
- break;
- case ',':
- case '=':
- break;
- default:
- PRINTK("\"iop13xx_init_i2c\" malformed"
- " at character: \'%c\'", *str);
- *(str + 1) = '\0';
- init_i2c = IOP13XX_INIT_I2C_DEFAULT;
- }
- str++;
- }
- }
- return 1;
-}
-
-static int __init iop13xx_init_adma_setup(char *str)
-{
- if (str) {
- while (*str != '\0') {
- switch (*str) {
- case '0':
- init_adma |= IOP13XX_INIT_ADMA_0;
- break;
- case '1':
- init_adma |= IOP13XX_INIT_ADMA_1;
- break;
- case '2':
- init_adma |= IOP13XX_INIT_ADMA_2;
- break;
- case ',':
- case '=':
- break;
- default:
- PRINTK("\"iop13xx_init_adma\" malformed"
- " at character: \'%c\'", *str);
- *(str + 1) = '\0';
- init_adma = IOP13XX_INIT_ADMA_DEFAULT;
- }
- str++;
- }
- }
- return 1;
-}
-
-__setup("iop13xx_init_adma", iop13xx_init_adma_setup);
-__setup("iop13xx_init_uart", iop13xx_init_uart_setup);
-__setup("iop13xx_init_i2c", iop13xx_init_i2c_setup);
-
-void iop13xx_restart(enum reboot_mode mode, const char *cmd)
-{
- /*
- * Reset the internal bus (warning both cores are reset)
- */
- write_wdtcr(IOP_WDTCR_EN_ARM);
- write_wdtcr(IOP_WDTCR_EN);
- write_wdtsr(IOP13XX_WDTSR_WRITE_EN | IOP13XX_WDTCR_IB_RESET);
- write_wdtcr(0x1000);
-}
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