^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * This file is subject to the terms and conditions of the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * License. See the file "COPYING" in the main directory of this archive
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <bcm63xx_cpu.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) static struct resource uart0_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) /* start & end filled at runtime */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /* start filled at runtime */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) .flags = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static struct resource uart1_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) /* start & end filled at runtime */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) /* start filled at runtime */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) .flags = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static struct platform_device bcm63xx_uart_devices[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) .name = "bcm63xx_uart",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) .id = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) .num_resources = ARRAY_SIZE(uart0_resources),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) .resource = uart0_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) .name = "bcm63xx_uart",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) .id = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) .num_resources = ARRAY_SIZE(uart1_resources),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .resource = uart1_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) int __init bcm63xx_uart_register(unsigned int id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) if (id >= ARRAY_SIZE(bcm63xx_uart_devices))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) if (id == 1 && (!BCMCPU_IS_3368() && !BCMCPU_IS_6358() &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) !BCMCPU_IS_6368()))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) if (id == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) uart0_resources[0].start = bcm63xx_regset_address(RSET_UART0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) uart0_resources[0].end = uart0_resources[0].start +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) RSET_UART_SIZE - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) uart0_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) if (id == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) uart1_resources[0].start = bcm63xx_regset_address(RSET_UART1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) uart1_resources[0].end = uart1_resources[0].start +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) RSET_UART_SIZE - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) uart1_resources[1].start = bcm63xx_get_irq_number(IRQ_UART1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) return platform_device_register(&bcm63xx_uart_devices[id]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) }