/*
- * Alchemy Db1550 board support
+ * Alchemy Db1550/Pb1550 board support
*
* (c) 2011 Manuel Lauss <manuel.lauss@googlemail.com>
*/
#include <linux/pm.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
+#include <asm/bootinfo.h>
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/au1xxx_eth.h>
#include <asm/mach-au1x00/au1xxx_dbdma.h>
#include <asm/mach-au1x00/au1xxx_psc.h>
#include <asm/mach-au1x00/au1550_spi.h>
+#include <asm/mach-au1x00/au1550nd.h>
#include <asm/mach-db1x00/bcsr.h>
#include <prom.h>
#include "platform.h"
-
-const char *get_system_type(void)
-{
- return "DB1550";
-}
-
static void __init db1550_hw_setup(void)
{
void __iomem *base;
- alchemy_gpio_direction_output(203, 0); /* red led on */
-
/* complete SPI setup: link psc0_intclk to a 48MHz source,
- * and assign GPIO16 to PSC0_SYNC1 (SPI cs# line)
+ * and assign GPIO16 to PSC0_SYNC1 (SPI cs# line) as well as PSC1_SYNC
+ * for AC97 on PB1550.
*/
base = (void __iomem *)SYS_CLKSRC;
__raw_writel(__raw_readl(base) | 0x000001e0, base);
base = (void __iomem *)SYS_PINFUNC;
- __raw_writel(__raw_readl(base) | 1, base);
+ __raw_writel(__raw_readl(base) | 1 | SYS_PF_PSC1_S1, base);
wmb();
/* reset the AC97 codec now, the reset time in the psc-ac97 driver
wmb();
__raw_writel(PSC_AC97RST_RST, base + PSC_AC97RST_OFFSET);
wmb();
-
- alchemy_gpio_direction_output(202, 0); /* green led on */
}
-void __init board_setup(void)
+int __init db1550_board_setup(void)
{
unsigned short whoami;
bcsr_init(DB1550_BCSR_PHYS_ADDR,
DB1550_BCSR_PHYS_ADDR + DB1550_BCSR_HEXLED_OFS);
- whoami = bcsr_read(BCSR_WHOAMI);
- printk(KERN_INFO "Alchemy/AMD DB1550 Board, CPLD Rev %d"
- " Board-ID %d Daughtercard ID %d\n",
+ whoami = bcsr_read(BCSR_WHOAMI); /* PB1550 hexled offset differs */
+ if ((BCSR_WHOAMI_BOARD(whoami) == BCSR_WHOAMI_PB1550_SDR) ||
+ (BCSR_WHOAMI_BOARD(whoami) == BCSR_WHOAMI_PB1550_DDR))
+ bcsr_init(PB1550_BCSR_PHYS_ADDR,
+ PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS);
+
+ pr_info("Alchemy/AMD %s Board, CPLD Rev %d Board-ID %d " \
+ "Daughtercard ID %d\n", get_system_type(),
(whoami >> 4) & 0xf, (whoami >> 8) & 0xf, whoami & 0xf);
db1550_hw_setup();
+ return 0;
}
/*****************************************************************************/
static struct mtd_partition db1550_spiflash_parts[] = {
{
.name = "spi_flash",
- .offset = 0,
+ .offset = 0,
.size = MTDPART_SIZ_FULL,
},
};
static struct mtd_partition db1550_nand_parts[] = {
{
.name = "NAND FS 0",
- .offset = 0,
+ .offset = 0,
.size = 8 * 1024 * 1024,
},
{
.name = "NAND FS 1",
- .offset = MTDPART_OFS_APPEND,
+ .offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL
},
};
}
};
+static struct au1550nd_platdata pb1550_nand_pd = {
+ .parts = db1550_nand_parts,
+ .num_parts = ARRAY_SIZE(db1550_nand_parts),
+ .devwidth = 0, /* x8 NAND default, needs fixing up */
+};
+
+static struct platform_device pb1550_nand_dev = {
+ .name = "au1550-nand",
+ .id = -1,
+ .resource = db1550_nand_res,
+ .num_resources = ARRAY_SIZE(db1550_nand_res),
+ .dev = {
+ .platform_data = &pb1550_nand_pd,
+ },
+};
+
+static void __init pb1550_nand_setup(void)
+{
+ int boot_swapboot = (au_readl(MEM_STSTAT) & (0x7 << 1)) |
+ ((bcsr_read(BCSR_STATUS) >> 6) & 0x1);
+
+ gpio_direction_input(206); /* de-assert NAND CS# */
+ switch (boot_swapboot) {
+ case 0: case 2: case 8: case 0xC: case 0xD:
+ /* x16 NAND Flash */
+ pb1550_nand_pd.devwidth = 1;
+ /* fallthrough */
+ case 1: case 3: case 9: case 0xE: case 0xF:
+ /* x8 NAND, already set up */
+ platform_device_register(&pb1550_nand_dev);
+ }
+}
+
/**********************************************************************/
static struct resource au1550_psc0_res[] = {
return -1;
}
+static int pb1550_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
+{
+ if ((slot < 12) || (slot > 13) || pin == 0)
+ return -1;
+ if (slot == 12) {
+ switch (pin) {
+ case 1: return AU1500_PCI_INTB;
+ case 2: return AU1500_PCI_INTC;
+ case 3: return AU1500_PCI_INTD;
+ case 4: return AU1500_PCI_INTA;
+ }
+ }
+ if (slot == 13) {
+ switch (pin) {
+ case 1: return AU1500_PCI_INTA;
+ case 2: return AU1500_PCI_INTB;
+ case 3: return AU1500_PCI_INTC;
+ case 4: return AU1500_PCI_INTD;
+ }
+ }
+ return -1;
+}
+
static struct resource alchemy_pci_host_res[] = {
[0] = {
.start = AU1500_PCI_PHYS_ADDR,
/**********************************************************************/
static struct platform_device *db1550_devs[] __initdata = {
- &db1550_nand_dev,
&db1550_i2c_dev,
&db1550_ac97_dev,
&db1550_spi_dev,
};
/* must be arch_initcall; MIPS PCI scans busses in a subsys_initcall */
-static int __init db1550_pci_init(void)
+int __init db1550_pci_setup(int id)
{
+ if (id)
+ db1550_pci_pd.board_map_irq = pb1550_map_pci_irq;
return platform_device_register(&db1550_pci_host_dev);
}
-arch_initcall(db1550_pci_init);
-static int __init db1550_dev_init(void)
+static void __init db1550_devices(void)
{
- int swapped;
+ alchemy_gpio_direction_output(203, 0); /* red led on */
- irq_set_irq_type(AU1550_GPIO0_INT, IRQ_TYPE_EDGE_BOTH); /* CD0# */
- irq_set_irq_type(AU1550_GPIO1_INT, IRQ_TYPE_EDGE_BOTH); /* CD1# */
- irq_set_irq_type(AU1550_GPIO3_INT, IRQ_TYPE_LEVEL_LOW); /* CARD0# */
- irq_set_irq_type(AU1550_GPIO5_INT, IRQ_TYPE_LEVEL_LOW); /* CARD1# */
+ irq_set_irq_type(AU1550_GPIO0_INT, IRQ_TYPE_EDGE_BOTH); /* CD0# */
+ irq_set_irq_type(AU1550_GPIO1_INT, IRQ_TYPE_EDGE_BOTH); /* CD1# */
+ irq_set_irq_type(AU1550_GPIO3_INT, IRQ_TYPE_LEVEL_LOW); /* CARD0# */
+ irq_set_irq_type(AU1550_GPIO5_INT, IRQ_TYPE_LEVEL_LOW); /* CARD1# */
irq_set_irq_type(AU1550_GPIO21_INT, IRQ_TYPE_LEVEL_LOW); /* STSCHG0# */
irq_set_irq_type(AU1550_GPIO22_INT, IRQ_TYPE_LEVEL_LOW); /* STSCHG1# */
+ db1x_register_pcmcia_socket(
+ AU1000_PCMCIA_ATTR_PHYS_ADDR,
+ AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
+ AU1000_PCMCIA_MEM_PHYS_ADDR,
+ AU1000_PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1,
+ AU1000_PCMCIA_IO_PHYS_ADDR,
+ AU1000_PCMCIA_IO_PHYS_ADDR + 0x000010000 - 1,
+ AU1550_GPIO3_INT, AU1550_GPIO0_INT,
+ /*AU1550_GPIO21_INT*/0, 0, 0);
+
+ db1x_register_pcmcia_socket(
+ AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
+ AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
+ AU1000_PCMCIA_MEM_PHYS_ADDR + 0x004000000,
+ AU1000_PCMCIA_MEM_PHYS_ADDR + 0x004400000 - 1,
+ AU1000_PCMCIA_IO_PHYS_ADDR + 0x004000000,
+ AU1000_PCMCIA_IO_PHYS_ADDR + 0x004010000 - 1,
+ AU1550_GPIO5_INT, AU1550_GPIO1_INT,
+ /*AU1550_GPIO22_INT*/0, 0, 1);
+
+ platform_device_register(&db1550_nand_dev);
+
+ alchemy_gpio_direction_output(202, 0); /* green led on */
+}
+
+static void __init pb1550_devices(void)
+{
+ irq_set_irq_type(AU1550_GPIO0_INT, IRQ_TYPE_LEVEL_LOW);
+ irq_set_irq_type(AU1550_GPIO1_INT, IRQ_TYPE_LEVEL_LOW);
+ irq_set_irq_type(AU1550_GPIO201_205_INT, IRQ_TYPE_LEVEL_HIGH);
+
+ /* enable both PCMCIA card irqs in the shared line */
+ alchemy_gpio2_enable_int(201); /* socket 0 card irq */
+ alchemy_gpio2_enable_int(202); /* socket 1 card irq */
+
+ /* Pb1550, like all others, also has statuschange irqs; however they're
+ * wired up on one of the Au1550's shared GPIO201_205 line, which also
+ * services the PCMCIA card interrupts. So we ignore statuschange and
+ * use the GPIO201_205 exclusively for card interrupts, since a) pcmcia
+ * drivers are used to shared irqs and b) statuschange isn't really use-
+ * ful anyway.
+ */
+ db1x_register_pcmcia_socket(
+ AU1000_PCMCIA_ATTR_PHYS_ADDR,
+ AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
+ AU1000_PCMCIA_MEM_PHYS_ADDR,
+ AU1000_PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1,
+ AU1000_PCMCIA_IO_PHYS_ADDR,
+ AU1000_PCMCIA_IO_PHYS_ADDR + 0x000010000 - 1,
+ AU1550_GPIO201_205_INT, AU1550_GPIO0_INT, 0, 0, 0);
+
+ db1x_register_pcmcia_socket(
+ AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008000000,
+ AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1,
+ AU1000_PCMCIA_MEM_PHYS_ADDR + 0x008000000,
+ AU1000_PCMCIA_MEM_PHYS_ADDR + 0x008400000 - 1,
+ AU1000_PCMCIA_IO_PHYS_ADDR + 0x008000000,
+ AU1000_PCMCIA_IO_PHYS_ADDR + 0x008010000 - 1,
+ AU1550_GPIO201_205_INT, AU1550_GPIO1_INT, 0, 0, 1);
+
+ pb1550_nand_setup();
+}
+
+int __init db1550_dev_setup(void)
+{
+ int swapped, id;
+
+ id = (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) != BCSR_WHOAMI_DB1550);
+
i2c_register_board_info(0, db1550_i2c_devs,
ARRAY_SIZE(db1550_i2c_devs));
spi_register_board_info(db1550_spi_devs,
(void __iomem *)KSEG1ADDR(AU1550_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
wmb();
- db1x_register_pcmcia_socket(
- AU1000_PCMCIA_ATTR_PHYS_ADDR,
- AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
- AU1000_PCMCIA_MEM_PHYS_ADDR,
- AU1000_PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1,
- AU1000_PCMCIA_IO_PHYS_ADDR,
- AU1000_PCMCIA_IO_PHYS_ADDR + 0x000010000 - 1,
- AU1550_GPIO3_INT, AU1550_GPIO0_INT,
- /*AU1550_GPIO21_INT*/0, 0, 0);
-
- db1x_register_pcmcia_socket(
- AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
- AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
- AU1000_PCMCIA_MEM_PHYS_ADDR + 0x004000000,
- AU1000_PCMCIA_MEM_PHYS_ADDR + 0x004400000 - 1,
- AU1000_PCMCIA_IO_PHYS_ADDR + 0x004000000,
- AU1000_PCMCIA_IO_PHYS_ADDR + 0x004010000 - 1,
- AU1550_GPIO5_INT, AU1550_GPIO1_INT,
- /*AU1550_GPIO22_INT*/0, 0, 1);
+ id ? pb1550_devices() : db1550_devices();
- swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1000_SWAPBOOT;
+ swapped = bcsr_read(BCSR_STATUS) &
+ (id ? BCSR_STATUS_PB1550_SWAPBOOT : BCSR_STATUS_DB1000_SWAPBOOT);
db1x_register_norflash(128 << 20, 4, swapped);
return platform_add_devices(db1550_devs, ARRAY_SIZE(db1550_devs));
}
-device_initcall(db1550_dev_init);
projects / linux-drm-fsl-dcu.git / blobdiff