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>
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@ -77,7 +77,9 @@ static void cb_parse_memory(unsigned char *ptr, struct sysinfo_t *info)
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static void cb_parse_serial(unsigned char *ptr, struct sysinfo_t *info)
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{
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struct cb_serial *ser = (struct cb_serial *)ptr;
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info->ser_ioport = ser->ioport;
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if (ser->type != CB_SERIAL_TYPE_IO_MAPPED)
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return;
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info->ser_ioport = ser->baseaddr;
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}
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#ifdef CONFIG_NVRAM
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@ -77,7 +77,9 @@ static void cb_parse_memory(unsigned char *ptr, struct sysinfo_t *info)
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static void cb_parse_serial(unsigned char *ptr, struct sysinfo_t *info)
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{
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struct cb_serial *ser = (struct cb_serial *)ptr;
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info->ser_ioport = ser->ioport;
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if (ser->type != CB_SERIAL_TYPE_IO_MAPPED)
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return;
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info->ser_ioport = ser->baseaddr;
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}
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#ifdef CONFIG_NVRAM
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@ -60,9 +60,13 @@ struct cb_memory_range {
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u32 type;
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};
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#define CB_MEM_RAM 1
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#define CB_MEM_RESERVED 2
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#define CB_MEM_TABLE 16
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#define CB_MEM_RAM 1
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#define CB_MEM_RESERVED 2
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#define CB_MEM_ACPI 3
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#define CB_MEM_NVS 4
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#define CB_MEM_UNUSABLE 5
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#define CB_MEM_VENDOR_RSVD 6
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#define CB_MEM_TABLE 16
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struct cb_memory {
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u32 tag;
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@ -110,7 +114,11 @@ struct cb_string {
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struct cb_serial {
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u32 tag;
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u32 size;
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u16 ioport;
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#define CB_SERIAL_TYPE_IO_MAPPED 1
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#define CB_SERIAL_TYPE_MEMORY_MAPPED 2
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u32 type;
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u32 baseaddr;
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u32 baud;
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};
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#define CB_TAG_CONSOLE 0x00010
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@ -112,7 +112,19 @@ static struct lb_serial *lb_serial(struct lb_header *header)
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serial = (struct lb_serial *)rec;
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serial->tag = LB_TAG_SERIAL;
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serial->size = sizeof(*serial);
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serial->ioport = CONFIG_TTYS0_BASE;
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serial->type = LB_SERIAL_TYPE_IO_MAPPED;
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serial->baseaddr = CONFIG_TTYS0_BASE;
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serial->baud = CONFIG_TTYS0_BAUD;
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return serial;
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#elif CONFIG_CONSOLE_SERIAL8250MEM
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struct lb_record *rec;
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struct lb_serial *serial;
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rec = lb_new_record(header);
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serial = (struct lb_serial *)rec;
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serial->tag = LB_TAG_SERIAL;
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serial->size = sizeof(*serial);
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serial->type = LB_SERIAL_TYPE_MEMORY_MAPPED;
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serial->baseaddr = uartmem_getbaseaddr();
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serial->baud = CONFIG_TTYS0_BAUD;
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return serial;
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#else
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@ -131,7 +143,6 @@ static void add_console(struct lb_header *header, u16 consoletype)
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console->size = sizeof(*console);
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console->type = consoletype;
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}
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#endif
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static void lb_console(struct lb_header *header)
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@ -28,6 +28,11 @@ static void uartmem_init(void)
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uart_bar = uart_mem_init();
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}
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u32 uartmem_getbaseaddr(void)
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{
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return uart_bar;
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}
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static void uartmem_tx_byte(unsigned char data)
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{
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if (!uart_bar)
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@ -146,7 +146,10 @@ struct lb_string {
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struct lb_serial {
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uint32_t tag;
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uint32_t size;
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uint16_t ioport;
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#define LB_SERIAL_TYPE_IO_MAPPED 1
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#define LB_SERIAL_TYPE_MEMORY_MAPPED 2
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uint32_t type;
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uint32_t baseaddr;
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uint32_t baud;
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};
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@ -146,6 +146,7 @@ void uart8250_mem_tx_byte(unsigned base_port, unsigned char data);
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void uart8250_mem_tx_flush(unsigned base_port);
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void uart8250_mem_init(unsigned base_port, unsigned divisor);
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u32 uart_mem_init(void);
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u32 uartmem_getbaseaddr(void);
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/* and special init for OXPCIe based cards */
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void oxford_init(void);
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