Extend coreboot table entry for serial ports

Add information about memory mapped/io mapped base addresses.

and fix up libpayload to use the same structures

Signed-off-by: Stefan Reinauer <reinauer@google.com>

Change-Id: I5f7b5eda6063261b9acb7a46310172d4a5471dfb
Reviewed-on: http://review.coreboot.org/261
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Stefan Reinauer 2011-06-22 16:39:19 -07:00 committed by Stefan Reinauer
parent b6010b8e70
commit d1bc331855
7 changed files with 41 additions and 9 deletions

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@ -77,7 +77,9 @@ static void cb_parse_memory(unsigned char *ptr, struct sysinfo_t *info)
static void cb_parse_serial(unsigned char *ptr, struct sysinfo_t *info)
{
struct cb_serial *ser = (struct cb_serial *)ptr;
info->ser_ioport = ser->ioport;
if (ser->type != CB_SERIAL_TYPE_IO_MAPPED)
return;
info->ser_ioport = ser->baseaddr;
}
#ifdef CONFIG_NVRAM

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@ -77,7 +77,9 @@ static void cb_parse_memory(unsigned char *ptr, struct sysinfo_t *info)
static void cb_parse_serial(unsigned char *ptr, struct sysinfo_t *info)
{
struct cb_serial *ser = (struct cb_serial *)ptr;
info->ser_ioport = ser->ioport;
if (ser->type != CB_SERIAL_TYPE_IO_MAPPED)
return;
info->ser_ioport = ser->baseaddr;
}
#ifdef CONFIG_NVRAM

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@ -60,9 +60,13 @@ struct cb_memory_range {
u32 type;
};
#define CB_MEM_RAM 1
#define CB_MEM_RESERVED 2
#define CB_MEM_TABLE 16
#define CB_MEM_RAM 1
#define CB_MEM_RESERVED 2
#define CB_MEM_ACPI 3
#define CB_MEM_NVS 4
#define CB_MEM_UNUSABLE 5
#define CB_MEM_VENDOR_RSVD 6
#define CB_MEM_TABLE 16
struct cb_memory {
u32 tag;
@ -110,7 +114,11 @@ struct cb_string {
struct cb_serial {
u32 tag;
u32 size;
u16 ioport;
#define CB_SERIAL_TYPE_IO_MAPPED 1
#define CB_SERIAL_TYPE_MEMORY_MAPPED 2
u32 type;
u32 baseaddr;
u32 baud;
};
#define CB_TAG_CONSOLE 0x00010

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@ -112,7 +112,19 @@ static struct lb_serial *lb_serial(struct lb_header *header)
serial = (struct lb_serial *)rec;
serial->tag = LB_TAG_SERIAL;
serial->size = sizeof(*serial);
serial->ioport = CONFIG_TTYS0_BASE;
serial->type = LB_SERIAL_TYPE_IO_MAPPED;
serial->baseaddr = CONFIG_TTYS0_BASE;
serial->baud = CONFIG_TTYS0_BAUD;
return serial;
#elif CONFIG_CONSOLE_SERIAL8250MEM
struct lb_record *rec;
struct lb_serial *serial;
rec = lb_new_record(header);
serial = (struct lb_serial *)rec;
serial->tag = LB_TAG_SERIAL;
serial->size = sizeof(*serial);
serial->type = LB_SERIAL_TYPE_MEMORY_MAPPED;
serial->baseaddr = uartmem_getbaseaddr();
serial->baud = CONFIG_TTYS0_BAUD;
return serial;
#else
@ -131,7 +143,6 @@ static void add_console(struct lb_header *header, u16 consoletype)
console->size = sizeof(*console);
console->type = consoletype;
}
#endif
static void lb_console(struct lb_header *header)

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@ -28,6 +28,11 @@ static void uartmem_init(void)
uart_bar = uart_mem_init();
}
u32 uartmem_getbaseaddr(void)
{
return uart_bar;
}
static void uartmem_tx_byte(unsigned char data)
{
if (!uart_bar)

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@ -146,7 +146,10 @@ struct lb_string {
struct lb_serial {
uint32_t tag;
uint32_t size;
uint16_t ioport;
#define LB_SERIAL_TYPE_IO_MAPPED 1
#define LB_SERIAL_TYPE_MEMORY_MAPPED 2
uint32_t type;
uint32_t baseaddr;
uint32_t baud;
};

View File

@ -146,6 +146,7 @@ void uart8250_mem_tx_byte(unsigned base_port, unsigned char data);
void uart8250_mem_tx_flush(unsigned base_port);
void uart8250_mem_init(unsigned base_port, unsigned divisor);
u32 uart_mem_init(void);
u32 uartmem_getbaseaddr(void);
/* and special init for OXPCIe based cards */
void oxford_init(void);