diff options
Diffstat (limited to 'arch/xtensa/platforms/xtfpga')
| -rw-r--r-- | arch/xtensa/platforms/xtfpga/include/platform/hardware.h | 6 | ||||
| -rw-r--r-- | arch/xtensa/platforms/xtfpga/setup.c | 32 |
2 files changed, 18 insertions, 20 deletions
diff --git a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h index 4416773cbde..aeb316b7ff8 100644 --- a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h +++ b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h @@ -15,10 +15,6 @@ #ifndef __XTENSA_XTAVNET_HARDWARE_H #define __XTENSA_XTAVNET_HARDWARE_H -/* By default NO_IRQ is defined to 0 in Linux, but we use the - interrupt 0 for UART... */ -#define NO_IRQ -1 - /* Memory configuration. */ #define PLATFORM_DEFAULT_MEM_START 0x00000000 @@ -30,7 +26,7 @@ /* Default assignment of LX60 devices to external interrupts. */ -#ifdef CONFIG_ARCH_HAS_SMP +#ifdef CONFIG_XTENSA_MX #define DUART16552_INTNUM XCHAL_EXTINT3_NUM #define OETH_IRQ XCHAL_EXTINT4_NUM #else diff --git a/arch/xtensa/platforms/xtfpga/setup.c b/arch/xtensa/platforms/xtfpga/setup.c index 4b9951a4569..57fd08b36f5 100644 --- a/arch/xtensa/platforms/xtfpga/setup.c +++ b/arch/xtensa/platforms/xtfpga/setup.c @@ -60,7 +60,9 @@ void platform_restart(void) "wsr a2, icountlevel\n\t" "movi a2, 0\n\t" "wsr a2, icount\n\t" +#if XCHAL_NUM_IBREAK > 0 "wsr a2, ibreakenable\n\t" +#endif "wsr a2, lcount\n\t" "movi a2, 0x1f\n\t" "wsr a2, ps\n\t" @@ -100,7 +102,7 @@ static void __init update_clock_frequency(struct device_node *node) } *(u32 *)newfreq->value = cpu_to_be32(*(u32 *)XTFPGA_CLKFRQ_VADDR); - prom_update_property(node, newfreq); + of_update_property(node, newfreq); } #define MAC_LEN 6 @@ -128,16 +130,16 @@ static void __init update_local_mac(struct device_node *node) memcpy(newmac->value, macaddr, MAC_LEN); ((u8*)newmac->value)[5] = (*(u32*)DIP_SWITCHES_VADDR) & 0x3f; - prom_update_property(node, newmac); + of_update_property(node, newmac); } static int __init machine_setup(void) { - struct device_node *serial; + struct device_node *clock; struct device_node *eth = NULL; - for_each_compatible_node(serial, NULL, "ns16550a") - update_clock_frequency(serial); + for_each_node_by_name(clock, "main-oscillator") + update_clock_frequency(clock); if ((eth = of_find_compatible_node(eth, NULL, "opencores,ethoc"))) update_local_mac(eth); @@ -161,12 +163,12 @@ void platform_heartbeat(void) #ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT -void platform_calibrate_ccount(void) +void __init platform_calibrate_ccount(void) { long clk_freq = 0; #ifdef CONFIG_OF struct device_node *cpu = - of_find_compatible_node(NULL, NULL, "xtensa,cpu"); + of_find_compatible_node(NULL, NULL, "cdns,xtensa-cpu"); if (cpu) { u32 freq; update_clock_frequency(cpu); @@ -177,8 +179,7 @@ void platform_calibrate_ccount(void) if (!clk_freq) clk_freq = *(long *)XTFPGA_CLKFRQ_VADDR; - ccount_per_jiffy = clk_freq / HZ; - nsec_per_ccount = 1000000000UL / clk_freq; + ccount_freq = clk_freq; } #endif @@ -193,7 +194,7 @@ void platform_calibrate_ccount(void) * Ethernet -- OpenCores Ethernet MAC (ethoc driver) */ -static struct resource ethoc_res[] __initdata = { +static struct resource ethoc_res[] = { [0] = { /* register space */ .start = OETH_REGS_PADDR, .end = OETH_REGS_PADDR + OETH_REGS_SIZE - 1, @@ -211,7 +212,7 @@ static struct resource ethoc_res[] __initdata = { }, }; -static struct ethoc_platform_data ethoc_pdata __initdata = { +static struct ethoc_platform_data ethoc_pdata = { /* * The MAC address for these boards is 00:50:c2:13:6f:xx. * The last byte (here as zero) is read from the DIP switches on the @@ -221,7 +222,7 @@ static struct ethoc_platform_data ethoc_pdata __initdata = { .phy_id = -1, }; -static struct platform_device ethoc_device __initdata = { +static struct platform_device ethoc_device = { .name = "ethoc", .id = -1, .num_resources = ARRAY_SIZE(ethoc_res), @@ -235,13 +236,13 @@ static struct platform_device ethoc_device __initdata = { * UART */ -static struct resource serial_resource __initdata = { +static struct resource serial_resource = { .start = DUART16552_PADDR, .end = DUART16552_PADDR + 0x1f, .flags = IORESOURCE_MEM, }; -static struct plat_serial8250_port serial_platform_data[] __initdata = { +static struct plat_serial8250_port serial_platform_data[] = { [0] = { .mapbase = DUART16552_PADDR, .irq = DUART16552_INTNUM, @@ -254,7 +255,7 @@ static struct plat_serial8250_port serial_platform_data[] __initdata = { { }, }; -static struct platform_device xtavnet_uart __initdata = { +static struct platform_device xtavnet_uart = { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM, .dev = { @@ -289,6 +290,7 @@ static int __init xtavnet_init(void) * knows whether they set it correctly on the DIP switches. */ pr_info("XTFPGA: Ethernet MAC %pM\n", ethoc_pdata.hwaddr); + ethoc_pdata.eth_clkfreq = *(long *)XTFPGA_CLKFRQ_VADDR; return 0; } |