diff options
| -rw-r--r-- | src/arch/x86/lib/romstage_console.c | 11 | ||||
| -rw-r--r-- | src/console/console.c | 6 | ||||
| -rw-r--r-- | src/console/uart8250mem_console.c | 29 | ||||
| -rw-r--r-- | src/cpu/x86/smm/smiutil.c | 10 | ||||
| -rw-r--r-- | src/drivers/oxford/oxpcie/Makefile.inc | 5 | ||||
| -rw-r--r-- | src/drivers/oxford/oxpcie/oxpcie.c | 7 | ||||
| -rw-r--r-- | src/drivers/oxford/oxpcie/oxpcie_early.c | 50 | ||||
| -rw-r--r-- | src/include/console/uart.h | 2 | ||||
| -rw-r--r-- | src/include/uart8250.h | 17 | ||||
| -rw-r--r-- | src/lib/uart8250mem.c | 89 |
10 files changed, 102 insertions, 124 deletions
diff --git a/src/arch/x86/lib/romstage_console.c b/src/arch/x86/lib/romstage_console.c index 89d7f820a6..6566b2fe87 100644 --- a/src/arch/x86/lib/romstage_console.c +++ b/src/arch/x86/lib/romstage_console.c @@ -26,20 +26,13 @@ #include <console/spkmodem.h> #include <console/vtxprintf.h> -#if CONFIG_CONSOLE_SERIAL8250MEM -#include <uart8250.h> -#endif - void console_tx_byte(unsigned char byte) { if (byte == '\n') console_tx_byte('\r'); #if CONFIG_CONSOLE_SERIAL8250MEM - if (oxford_oxpcie_present) { - uart8250_mem_tx_byte( - CONFIG_OXFORD_OXPCIE_BASE_ADDRESS + 0x1000, byte); - } + uart_tx_byte(byte); #endif #if CONFIG_CONSOLE_SERIAL8250 uart_tx_byte(byte); @@ -61,7 +54,7 @@ void console_tx_byte(unsigned char byte) void console_tx_flush(void) { #if CONFIG_CONSOLE_SERIAL8250MEM - uart8250_mem_tx_flush(CONFIG_OXFORD_OXPCIE_BASE_ADDRESS + 0x1000); + uart_tx_flush(); #endif #if CONFIG_CONSOLE_SERIAL8250 uart_tx_flush(); diff --git a/src/console/console.c b/src/console/console.c index 334e14012a..e09625f251 100644 --- a/src/console/console.c +++ b/src/console/console.c @@ -101,12 +101,12 @@ void console_init(void) #if defined(__BOOT_BLOCK__) && CONFIG_BOOTBLOCK_CONSOLE || \ !defined(__BOOT_BLOCK__) && CONFIG_EARLY_CONSOLE +#if CONFIG_DRIVERS_OXFORD_OXPCIE + oxford_init(); +#endif #if CONFIG_CONSOLE_SERIAL uart_init(); #endif -#if CONFIG_DRIVERS_OXFORD_OXPCIE && CONFIG_CONSOLE_SERIAL8250MEM - oxford_init(); -#endif #if CONFIG_CONSOLE_NE2K ne2k_init(CONFIG_CONSOLE_NE2K_IO_PORT); #endif diff --git a/src/console/uart8250mem_console.c b/src/console/uart8250mem_console.c index eb4e0e0b7e..7e52aed273 100644 --- a/src/console/uart8250mem_console.c +++ b/src/console/uart8250mem_console.c @@ -19,47 +19,30 @@ #include <console/console.h> #include <console/uart.h> -#include <uart8250.h> -static u32 uart_bar = 0; - -void uartmem_init(void) -{ - uart_bar = uart_mem_init(); -} - -u32 uartmem_getbaseaddr(void) +static void uartmem_init(void) { - return uart_bar; + uart_init(); } static void uartmem_tx_byte(unsigned char data) { - if (!uart_bar) - return; - - uart8250_mem_tx_byte(uart_bar, data); + uart_tx_byte(data); } static void uartmem_tx_flush(void) { - uart8250_mem_tx_flush(uart_bar); + uart_tx_flush(); } static unsigned char uartmem_rx_byte(void) { - if (!uart_bar) - return 0; - - return uart8250_mem_rx_byte(uart_bar); + return uart_rx_byte(); } static int uartmem_tst_byte(void) { - if (!uart_bar) - return 0; - - return uart8250_mem_can_rx_byte(uart_bar); + return uart_can_rx_byte(); } static const struct console_driver uart8250mem_console __console = { diff --git a/src/cpu/x86/smm/smiutil.c b/src/cpu/x86/smm/smiutil.c index 3702e5c179..43731bc3c8 100644 --- a/src/cpu/x86/smm/smiutil.c +++ b/src/cpu/x86/smm/smiutil.c @@ -24,13 +24,8 @@ #include <cpu/x86/smm.h> #include <console/console.h> #include <console/uart.h> -#include <uart8250.h> #include <console/vtxprintf.h> -#if CONFIG_CONSOLE_SERIAL8250MEM -static u32 serial8250mem_base_address = 0; -#endif - void console_tx_flush(void) { } @@ -41,8 +36,7 @@ void console_tx_byte(unsigned char byte) console_tx_byte('\r'); #if CONFIG_CONSOLE_SERIAL8250MEM - if (serial8250mem_base_address) - uart8250_mem_tx_byte(serial8250mem_base_address, byte); + uart_tx_byte(byte); #endif #if CONFIG_CONSOLE_SERIAL8250 uart_tx_byte(byte); @@ -57,7 +51,7 @@ void console_init(void) uart_init(); #endif #if CONFIG_CONSOLE_SERIAL8250MEM - serial8250mem_base_address = uart_mem_init(); + uart_init(); #endif #else console_loglevel = 1; diff --git a/src/drivers/oxford/oxpcie/Makefile.inc b/src/drivers/oxford/oxpcie/Makefile.inc index 6cc29c4d13..1922425fd9 100644 --- a/src/drivers/oxford/oxpcie/Makefile.inc +++ b/src/drivers/oxford/oxpcie/Makefile.inc @@ -1,5 +1,4 @@ -ramstage-$(CONFIG_DRIVERS_OXFORD_OXPCIE) += oxpcie.c - ifeq ($(CONFIG_CONSOLE_SERIAL8250MEM),y) -romstage-$(CONFIG_DRIVERS_OXFORD_OXPCIE) += oxpcie_early.c +ramstage-y += oxpcie_early.c oxpcie.c +romstage-y += oxpcie_early.c endif diff --git a/src/drivers/oxford/oxpcie/oxpcie.c b/src/drivers/oxford/oxpcie/oxpcie.c index 26d29f858b..76119d2702 100644 --- a/src/drivers/oxford/oxpcie/oxpcie.c +++ b/src/drivers/oxford/oxpcie/oxpcie.c @@ -22,7 +22,7 @@ #include <device/pci.h> #include <device/pci_ids.h> #include <console/console.h> -#include <uart8250.h> +#include <console/uart.h> #include <arch/io.h> static void oxford_oxpcie_enable(device_t dev) @@ -47,10 +47,9 @@ static void oxford_oxpcie_set_resources(struct device *dev) { pci_dev_set_resources(dev); -#if CONFIG_CONSOLE_SERIAL8250MEM /* Re-initialize OXPCIe base address after set_resources */ - uartmem_init(); -#endif + u32 mmio_base = pci_read_config32(dev, PCI_BASE_ADDRESS_0); + oxford_remap(mmio_base & ~0xf); } static struct device_operations oxford_oxpcie_ops = { diff --git a/src/drivers/oxford/oxpcie/oxpcie_early.c b/src/drivers/oxford/oxpcie/oxpcie_early.c index edb0523e52..d7f473ed78 100644 --- a/src/drivers/oxford/oxpcie/oxpcie_early.c +++ b/src/drivers/oxford/oxpcie/oxpcie_early.c @@ -17,14 +17,20 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#define __SIMPLE_DEVICE__ + #include <stdint.h> +#include <stddef.h> #include <arch/io.h> #include <arch/early_variables.h> #include <delay.h> #include <console/uart.h> -#include <uart8250.h> #include <device/pci_def.h> +static unsigned int oxpcie_present CAR_GLOBAL; +static ROMSTAGE_CONST u32 uart0_base = CONFIG_OXFORD_OXPCIE_BASE_ADDRESS + 0x1000; +static ROMSTAGE_CONST u32 uart1_base = CONFIG_OXFORD_OXPCIE_BASE_ADDRESS + 0x2000; + #define PCIE_BRIDGE \ PCI_DEV(CONFIG_OXFORD_OXPCIE_BRIDGE_BUS, \ CONFIG_OXFORD_OXPCIE_BRIDGE_DEVICE, \ @@ -36,13 +42,9 @@ #define OXPCIE_DEVICE_3 \ PCI_DEV(CONFIG_OXFORD_OXPCIE_BRIDGE_SUBORDINATE, 0, 3) -#if defined(__PRE_RAM__) -int oxford_oxpcie_present CAR_GLOBAL; - -void oxford_init(void) +static void oxpcie_init_bridge(void) { u16 reg16; - oxford_oxpcie_present = 1; /* First we reset the secondary bus */ reg16 = pci_read_config16(PCIE_BRIDGE, PCI_BRIDGE_CONTROL); @@ -101,7 +103,6 @@ void oxford_init(void) break; default: /* No UART here. */ - oxford_oxpcie_present = 0; return; } @@ -114,17 +115,42 @@ void oxford_init(void) reg16 |= PCI_COMMAND_MEMORY; pci_write_config16(device, PCI_COMMAND, reg16); - /* Now the UART initialization */ - u32 uart0_base = CONFIG_OXFORD_OXPCIE_BASE_ADDRESS + 0x1000; + car_set_var(oxpcie_present, 1); +} + +static int oxpcie_uart_active(void) +{ + return (car_get_var(oxpcie_present)); +} + +unsigned int uart_platform_base(int idx) +{ + if (idx == 0 && oxpcie_uart_active()) + return uart0_base; + if (idx == 1 && oxpcie_uart_active()) + return uart1_base; + return 0; +} - unsigned int div = uart_baudrate_divisor(default_baudrate(), - uart_platform_refclk(), 16); - uart8250_mem_init(uart0_base, div); +#ifndef __PRE_RAM__ +void oxford_remap(u32 new_base) +{ + uart0_base = new_base + 0x1000; + uart1_base = new_base + 0x2000; } +uint32_t uartmem_getbaseaddr(void) +{ + return uart_platform_base(0); +} #endif unsigned int uart_platform_refclk(void) { return 62500000; } + +void oxford_init(void) +{ + oxpcie_init_bridge(); +} diff --git a/src/include/console/uart.h b/src/include/console/uart.h index 8aa8ea24ce..17811cab4c 100644 --- a/src/include/console/uart.h +++ b/src/include/console/uart.h @@ -43,8 +43,10 @@ void uart_tx_flush(void); unsigned char uart_rx_byte(void); int uart_can_rx_byte(void); +unsigned int uart_platform_base(int idx); uint32_t uartmem_getbaseaddr(void); void oxford_init(void); +void oxford_remap(unsigned int new_base); #endif /* CONSOLE_UART_H */ diff --git a/src/include/uart8250.h b/src/include/uart8250.h index 100a216257..c63153c632 100644 --- a/src/include/uart8250.h +++ b/src/include/uart8250.h @@ -105,21 +105,4 @@ #define UART_SCR 0x07 #define UART_SPR 0x07 -#if CONFIG_CONSOLE_SERIAL8250MEM -void uartmem_init(void); - -/* and the same for memory mapped uarts */ -unsigned char uart8250_mem_rx_byte(unsigned base_port); -int uart8250_mem_can_rx_byte(unsigned base_port); -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); - -#if defined(__PRE_RAM__) && CONFIG_DRIVERS_OXFORD_OXPCIE -/* and special init for OXPCIe based cards */ -extern int oxford_oxpcie_present; -#endif -#endif - #endif /* UART8250_H */ diff --git a/src/lib/uart8250mem.c b/src/lib/uart8250mem.c index f35da05ae5..ce45de9c10 100644 --- a/src/lib/uart8250mem.c +++ b/src/lib/uart8250mem.c @@ -33,42 +33,32 @@ #define SINGLE_CHAR_TIMEOUT (50 * 1000) #define FIFO_TIMEOUT (16 * SINGLE_CHAR_TIMEOUT) -static inline int uart8250_mem_can_tx_byte(unsigned base_port) +static int uart8250_mem_can_tx_byte(unsigned base_port) { return read8(base_port + UART_LSR) & UART_LSR_THRE; } -static inline void uart8250_mem_wait_to_tx_byte(unsigned base_port) +static void uart8250_mem_tx_byte(unsigned base_port, unsigned char data) { unsigned long int i = SINGLE_CHAR_TIMEOUT; while(i-- && !uart8250_mem_can_tx_byte(base_port)) udelay(1); + write8(base_port + UART_TBR, data); } -static inline void uart8250_mem_wait_until_sent(unsigned base_port) +static void uart8250_mem_tx_flush(unsigned base_port) { unsigned long int i = FIFO_TIMEOUT; while(i-- && !(read8(base_port + UART_LSR) & UART_LSR_TEMT)) udelay(1); } -void uart8250_mem_tx_byte(unsigned base_port, unsigned char data) -{ - uart8250_mem_wait_to_tx_byte(base_port); - write8(base_port + UART_TBR, data); -} - -void uart8250_mem_tx_flush(unsigned base_port) -{ - uart8250_mem_wait_until_sent(base_port); -} - -int uart8250_mem_can_rx_byte(unsigned base_port) +static int uart8250_mem_can_rx_byte(unsigned base_port) { return read8(base_port + UART_LSR) & UART_LSR_DR; } -unsigned char uart8250_mem_rx_byte(unsigned base_port) +static unsigned char uart8250_mem_rx_byte(unsigned base_port) { unsigned long int i = SINGLE_CHAR_TIMEOUT; while(i-- && !uart8250_mem_can_rx_byte(base_port)) @@ -79,7 +69,7 @@ unsigned char uart8250_mem_rx_byte(unsigned base_port) return 0x0; } -void uart8250_mem_init(unsigned base_port, unsigned divisor) +static void uart8250_mem_init(unsigned base_port, unsigned divisor) { /* Disable interrupts */ write8(base_port + UART_IER, 0x0); @@ -99,36 +89,45 @@ void uart8250_mem_init(unsigned base_port, unsigned divisor) write8(base_port + UART_LCR, CONFIG_TTYS0_LCS); } -u32 uart_mem_init(void) +void uart_init(void) { - u32 uart_bar = 0; - unsigned div; - - /* Now find the UART base address and calculate the divisor */ -#if CONFIG_DRIVERS_OXFORD_OXPCIE -#if defined(MORE_TESTING) && !defined(__SIMPLE_DEVICE__) - device_t dev = dev_find_device(0x1415, 0xc158, NULL); - if (!dev) - dev = dev_find_device(0x1415, 0xc11b, NULL); - - if (dev) { - struct resource *res = find_resource(dev, 0x10); - - if (res) { - uart_bar = res->base + 0x1000; // for 1st UART - // uart_bar = res->base + 0x2000; // for 2nd UART - } - } - - if (!uart_bar) -#endif - uart_bar = CONFIG_OXFORD_OXPCIE_BASE_ADDRESS + 0x1000; // 1st UART - // uart_bar = CONFIG_OXFORD_OXPCIE_BASE_ADDRESS + 0x2000; // 2nd UART -#endif + u32 base = uart_platform_base(0); + if (!base) + return; + unsigned int div; div = uart_baudrate_divisor(default_baudrate(), uart_platform_refclk(), 16); - if (uart_bar) - uart8250_mem_init(uart_bar, div); + uart8250_mem_init(base, div); +} - return uart_bar; +void uart_tx_byte(unsigned char data) +{ + u32 base = uart_platform_base(0); + if (!base) + return; + uart8250_mem_tx_byte(base, data); +} + +unsigned char uart_rx_byte(void) +{ + u32 base = uart_platform_base(0); + if (!base) + return 0xff; + return uart8250_mem_rx_byte(base); +} + +int uart_can_rx_byte(void) +{ + u32 base = uart_platform_base(0); + if (!base) + return 0; + return uart8250_mem_can_rx_byte(base); +} + +void uart_tx_flush(void) +{ + u32 base = uart_platform_base(0); + if (!base) + return; + uart8250_mem_tx_flush(base); } |