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Diffstat (limited to 'arch/mips/netlogic/xlr/platform.c')
-rw-r--r--arch/mips/netlogic/xlr/platform.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/arch/mips/netlogic/xlr/platform.c b/arch/mips/netlogic/xlr/platform.c
index 609ec253464..eab64b45dff 100644
--- a/arch/mips/netlogic/xlr/platform.c
+++ b/arch/mips/netlogic/xlr/platform.c
@@ -15,18 +15,19 @@
15#include <linux/serial_8250.h> 15#include <linux/serial_8250.h>
16#include <linux/serial_reg.h> 16#include <linux/serial_reg.h>
17 17
18#include <asm/netlogic/haldefs.h>
18#include <asm/netlogic/xlr/iomap.h> 19#include <asm/netlogic/xlr/iomap.h>
19#include <asm/netlogic/xlr/pic.h> 20#include <asm/netlogic/xlr/pic.h>
20#include <asm/netlogic/xlr/xlr.h> 21#include <asm/netlogic/xlr/xlr.h>
21 22
22unsigned int nlm_xlr_uart_in(struct uart_port *p, int offset) 23unsigned int nlm_xlr_uart_in(struct uart_port *p, int offset)
23{ 24{
24 nlm_reg_t *mmio; 25 uint64_t uartbase;
25 unsigned int value; 26 unsigned int value;
26 27
27 /* XLR uart does not need any mapping of regs */ 28 /* sign extend to 64 bits, if needed */
28 mmio = (nlm_reg_t *)(p->membase + (offset << p->regshift)); 29 uartbase = (uint64_t)(long)p->membase;
29 value = netlogic_read_reg(mmio, 0); 30 value = nlm_read_reg(uartbase, offset);
30 31
31 /* See XLR/XLS errata */ 32 /* See XLR/XLS errata */
32 if (offset == UART_MSR) 33 if (offset == UART_MSR)
@@ -39,10 +40,10 @@ unsigned int nlm_xlr_uart_in(struct uart_port *p, int offset)
39 40
40void nlm_xlr_uart_out(struct uart_port *p, int offset, int value) 41void nlm_xlr_uart_out(struct uart_port *p, int offset, int value)
41{ 42{
42 nlm_reg_t *mmio; 43 uint64_t uartbase;
43 44
44 /* XLR uart does not need any mapping of regs */ 45 /* sign extend to 64 bits, if needed */
45 mmio = (nlm_reg_t *)(p->membase + (offset << p->regshift)); 46 uartbase = (uint64_t)(long)p->membase;
46 47
47 /* See XLR/XLS errata */ 48 /* See XLR/XLS errata */
48 if (offset == UART_MSR) 49 if (offset == UART_MSR)
@@ -50,7 +51,7 @@ void nlm_xlr_uart_out(struct uart_port *p, int offset, int value)
50 else if (offset == UART_MCR) 51 else if (offset == UART_MCR)
51 value ^= 0x3; 52 value ^= 0x3;
52 53
53 netlogic_write_reg(mmio, 0, value); 54 nlm_write_reg(uartbase, offset, value);
54} 55}
55 56
56#define PORT(_irq) \ 57#define PORT(_irq) \
@@ -82,15 +83,15 @@ static struct platform_device uart_device = {
82 83
83static int __init nlm_uart_init(void) 84static int __init nlm_uart_init(void)
84{ 85{
85 nlm_reg_t *mmio; 86 unsigned long uartbase;
86 87
87 mmio = netlogic_io_mmio(NETLOGIC_IO_UART_0_OFFSET); 88 uartbase = (unsigned long)nlm_mmio_base(NETLOGIC_IO_UART_0_OFFSET);
88 xlr_uart_data[0].membase = (void __iomem *)mmio; 89 xlr_uart_data[0].membase = (void __iomem *)uartbase;
89 xlr_uart_data[0].mapbase = CPHYSADDR((unsigned long)mmio); 90 xlr_uart_data[0].mapbase = CPHYSADDR(uartbase);
90 91
91 mmio = netlogic_io_mmio(NETLOGIC_IO_UART_1_OFFSET); 92 uartbase = (unsigned long)nlm_mmio_base(NETLOGIC_IO_UART_1_OFFSET);
92 xlr_uart_data[1].membase = (void __iomem *)mmio; 93 xlr_uart_data[1].membase = (void __iomem *)uartbase;
93 xlr_uart_data[1].mapbase = CPHYSADDR((unsigned long)mmio); 94 xlr_uart_data[1].mapbase = CPHYSADDR(uartbase);
94 95
95 return platform_device_register(&uart_device); 96 return platform_device_register(&uart_device);
96} 97}