diff options
Diffstat (limited to 'arch/ppc/platforms/4xx')
-rw-r--r-- | arch/ppc/platforms/4xx/xilinx_ml300.c | 74 | ||||
-rw-r--r-- | arch/ppc/platforms/4xx/xilinx_ml300.h | 2 |
2 files changed, 53 insertions, 23 deletions
diff --git a/arch/ppc/platforms/4xx/xilinx_ml300.c b/arch/ppc/platforms/4xx/xilinx_ml300.c index b0de0a2f131d..267afb50607e 100644 --- a/arch/ppc/platforms/4xx/xilinx_ml300.c +++ b/arch/ppc/platforms/4xx/xilinx_ml300.c | |||
@@ -17,12 +17,14 @@ | |||
17 | #include <linux/tty.h> | 17 | #include <linux/tty.h> |
18 | #include <linux/serial.h> | 18 | #include <linux/serial.h> |
19 | #include <linux/serial_core.h> | 19 | #include <linux/serial_core.h> |
20 | #include <linux/serial_8250.h> | ||
20 | #include <linux/serialP.h> | 21 | #include <linux/serialP.h> |
21 | #include <asm/io.h> | 22 | #include <asm/io.h> |
22 | #include <asm/machdep.h> | 23 | #include <asm/machdep.h> |
23 | #include <asm/ocp.h> | 24 | #include <asm/ppc_sys.h> |
24 | 25 | ||
25 | #include <platforms/4xx/virtex.h> /* for NR_SER_PORTS */ | 26 | #include <syslib/gen550.h> |
27 | #include <platforms/4xx/xparameters/xparameters.h> | ||
26 | 28 | ||
27 | /* | 29 | /* |
28 | * As an overview of how the following functions (platform_init, | 30 | * As an overview of how the following functions (platform_init, |
@@ -54,6 +56,22 @@ | |||
54 | * ppc4xx_pic_init arch/ppc/syslib/xilinx_pic.c | 56 | * ppc4xx_pic_init arch/ppc/syslib/xilinx_pic.c |
55 | */ | 57 | */ |
56 | 58 | ||
59 | /* Board specifications structures */ | ||
60 | struct ppc_sys_spec *cur_ppc_sys_spec; | ||
61 | struct ppc_sys_spec ppc_sys_specs[] = { | ||
62 | { | ||
63 | /* Only one entry, always assume the same design */ | ||
64 | .ppc_sys_name = "Xilinx ML300 Reference Design", | ||
65 | .mask = 0x00000000, | ||
66 | .value = 0x00000000, | ||
67 | .num_devices = 1, | ||
68 | .device_list = (enum ppc_sys_devices[]) | ||
69 | { | ||
70 | VIRTEX_UART, | ||
71 | }, | ||
72 | }, | ||
73 | }; | ||
74 | |||
57 | #if defined(XPAR_POWER_0_POWERDOWN_BASEADDR) | 75 | #if defined(XPAR_POWER_0_POWERDOWN_BASEADDR) |
58 | 76 | ||
59 | static volatile unsigned *powerdown_base = | 77 | static volatile unsigned *powerdown_base = |
@@ -80,28 +98,39 @@ ml300_map_io(void) | |||
80 | #endif | 98 | #endif |
81 | } | 99 | } |
82 | 100 | ||
101 | /* Early serial support functions */ | ||
83 | static void __init | 102 | static void __init |
103 | ml300_early_serial_init(int num, struct plat_serial8250_port *pdata) | ||
104 | { | ||
105 | #if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB) | ||
106 | struct uart_port serial_req; | ||
107 | |||
108 | memset(&serial_req, 0, sizeof(serial_req)); | ||
109 | serial_req.mapbase = pdata->mapbase; | ||
110 | serial_req.membase = pdata->membase; | ||
111 | serial_req.irq = pdata->irq; | ||
112 | serial_req.uartclk = pdata->uartclk; | ||
113 | serial_req.regshift = pdata->regshift; | ||
114 | serial_req.iotype = pdata->iotype; | ||
115 | serial_req.flags = pdata->flags; | ||
116 | gen550_init(num, &serial_req); | ||
117 | #endif | ||
118 | } | ||
119 | |||
120 | void __init | ||
84 | ml300_early_serial_map(void) | 121 | ml300_early_serial_map(void) |
85 | { | 122 | { |
86 | #ifdef CONFIG_SERIAL_8250 | 123 | #ifdef CONFIG_SERIAL_8250 |
87 | struct serial_state old_ports[] = { SERIAL_PORT_DFNS }; | 124 | struct plat_serial8250_port *pdata; |
88 | struct uart_port port; | 125 | int i = 0; |
89 | int i; | 126 | |
90 | 127 | pdata = (struct plat_serial8250_port *) ppc_sys_get_pdata(VIRTEX_UART); | |
91 | /* Setup ioremapped serial port access */ | 128 | while(pdata && pdata->flags) |
92 | for (i = 0; i < ARRAY_SIZE(old_ports); i++ ) { | 129 | { |
93 | memset(&port, 0, sizeof(port)); | 130 | pdata->membase = ioremap(pdata->mapbase, 0x100); |
94 | port.membase = ioremap((phys_addr_t)(old_ports[i].iomem_base), 16); | 131 | ml300_early_serial_init(i, pdata); |
95 | port.irq = old_ports[i].irq; | 132 | pdata++; |
96 | port.uartclk = old_ports[i].baud_base * 16; | 133 | i++; |
97 | port.regshift = old_ports[i].iomem_reg_shift; | ||
98 | port.iotype = SERIAL_IO_MEM; | ||
99 | port.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST; | ||
100 | port.line = i; | ||
101 | |||
102 | if (early_serial_setup(&port) != 0) { | ||
103 | printk("Early serial init of port %d failed\n", i); | ||
104 | } | ||
105 | } | 134 | } |
106 | #endif /* CONFIG_SERIAL_8250 */ | 135 | #endif /* CONFIG_SERIAL_8250 */ |
107 | } | 136 | } |
@@ -109,9 +138,8 @@ ml300_early_serial_map(void) | |||
109 | void __init | 138 | void __init |
110 | ml300_setup_arch(void) | 139 | ml300_setup_arch(void) |
111 | { | 140 | { |
112 | ppc4xx_setup_arch(); /* calls ppc4xx_find_bridges() */ | ||
113 | |||
114 | ml300_early_serial_map(); | 141 | ml300_early_serial_map(); |
142 | ppc4xx_setup_arch(); /* calls ppc4xx_find_bridges() */ | ||
115 | 143 | ||
116 | /* Identify the system */ | 144 | /* Identify the system */ |
117 | printk(KERN_INFO "Xilinx Virtex-II Pro port\n"); | 145 | printk(KERN_INFO "Xilinx Virtex-II Pro port\n"); |
@@ -131,6 +159,8 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, | |||
131 | { | 159 | { |
132 | ppc4xx_init(r3, r4, r5, r6, r7); | 160 | ppc4xx_init(r3, r4, r5, r6, r7); |
133 | 161 | ||
162 | identify_ppc_sys_by_id(mfspr(SPRN_PVR)); | ||
163 | |||
134 | ppc_md.setup_arch = ml300_setup_arch; | 164 | ppc_md.setup_arch = ml300_setup_arch; |
135 | ppc_md.setup_io_mappings = ml300_map_io; | 165 | ppc_md.setup_io_mappings = ml300_map_io; |
136 | ppc_md.init_IRQ = ml300_init_irq; | 166 | ppc_md.init_IRQ = ml300_init_irq; |
diff --git a/arch/ppc/platforms/4xx/xilinx_ml300.h b/arch/ppc/platforms/4xx/xilinx_ml300.h index 899398143623..ae8bf1353b01 100644 --- a/arch/ppc/platforms/4xx/xilinx_ml300.h +++ b/arch/ppc/platforms/4xx/xilinx_ml300.h | |||
@@ -41,7 +41,7 @@ typedef struct board_info { | |||
41 | #define PPC4xx_ONB_IO_VADDR 0u | 41 | #define PPC4xx_ONB_IO_VADDR 0u |
42 | #define PPC4xx_ONB_IO_SIZE 0u | 42 | #define PPC4xx_ONB_IO_SIZE 0u |
43 | 43 | ||
44 | #define PPC4xx_MACHINE_NAME "Xilinx ML300" | 44 | #define PPC4xx_MACHINE_NAME "Xilinx ML300 Reference System" |
45 | 45 | ||
46 | #endif /* __ASM_XILINX_ML300_H__ */ | 46 | #endif /* __ASM_XILINX_ML300_H__ */ |
47 | #endif /* __KERNEL__ */ | 47 | #endif /* __KERNEL__ */ |