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OMAP2/3: UART: add omap_hwmod data for UARTs 1-4
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This patch adds omap_hwmod data for UARTs on OMAP2 and OMAP3
platforms.

UART4 support for 3630 and OMAP2 hwmod data added by Govindraj R.

Signed-off-by: Govindraj.R <[email protected]>
Signed-off-by: Kevin Hilman <[email protected]>
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@metaliveblog
metaliveblog committed Sep 29, 2010
1 parent db12ba5 commit 046465b
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Showing 6 changed files with 644 additions and 2 deletions.
193 changes: 193 additions & 0 deletions arch/arm/mach-omap2/omap_hwmod_2420_data.c
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
#include <mach/irqs.h>
#include <plat/cpu.h>
#include <plat/dma.h>
#include <plat/serial.h>

#include "omap_hwmod_common_data.h"

Expand Down Expand Up @@ -71,6 +72,9 @@ static struct omap_hwmod omap2420_l3_main_hwmod = {
};

static struct omap_hwmod omap2420_l4_wkup_hwmod;
static struct omap_hwmod omap2420_uart1_hwmod;
static struct omap_hwmod omap2420_uart2_hwmod;
static struct omap_hwmod omap2420_uart3_hwmod;

/* L4_CORE -> L4_WKUP interface */
static struct omap_hwmod_ocp_if omap2420_l4_core__l4_wkup = {
Expand All @@ -79,6 +83,60 @@ static struct omap_hwmod_ocp_if omap2420_l4_core__l4_wkup = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};

/* L4 CORE -> UART1 interface */
static struct omap_hwmod_addr_space omap2420_uart1_addr_space[] = {
{
.pa_start = OMAP2_UART1_BASE,
.pa_end = OMAP2_UART1_BASE + SZ_8K - 1,
.flags = ADDR_MAP_ON_INIT | ADDR_TYPE_RT,
},
};

static struct omap_hwmod_ocp_if omap2_l4_core__uart1 = {
.master = &omap2420_l4_core_hwmod,
.slave = &omap2420_uart1_hwmod,
.clk = "uart1_ick",
.addr = omap2420_uart1_addr_space,
.addr_cnt = ARRAY_SIZE(omap2420_uart1_addr_space),
.user = OCP_USER_MPU | OCP_USER_SDMA,
};

/* L4 CORE -> UART2 interface */
static struct omap_hwmod_addr_space omap2420_uart2_addr_space[] = {
{
.pa_start = OMAP2_UART2_BASE,
.pa_end = OMAP2_UART2_BASE + SZ_1K - 1,
.flags = ADDR_MAP_ON_INIT | ADDR_TYPE_RT,
},
};

static struct omap_hwmod_ocp_if omap2_l4_core__uart2 = {
.master = &omap2420_l4_core_hwmod,
.slave = &omap2420_uart2_hwmod,
.clk = "uart2_ick",
.addr = omap2420_uart2_addr_space,
.addr_cnt = ARRAY_SIZE(omap2420_uart2_addr_space),
.user = OCP_USER_MPU | OCP_USER_SDMA,
};

/* L4 PER -> UART3 interface */
static struct omap_hwmod_addr_space omap2420_uart3_addr_space[] = {
{
.pa_start = OMAP2_UART3_BASE,
.pa_end = OMAP2_UART3_BASE + SZ_1K - 1,
.flags = ADDR_MAP_ON_INIT | ADDR_TYPE_RT,
},
};

static struct omap_hwmod_ocp_if omap2_l4_core__uart3 = {
.master = &omap2420_l4_core_hwmod,
.slave = &omap2420_uart3_hwmod,
.clk = "uart3_ick",
.addr = omap2420_uart3_addr_space,
.addr_cnt = ARRAY_SIZE(omap2420_uart3_addr_space),
.user = OCP_USER_MPU | OCP_USER_SDMA,
};

/* Slave interfaces on the L4_CORE interconnect */
static struct omap_hwmod_ocp_if *omap2420_l4_core_slaves[] = {
&omap2420_l3_main__l4_core,
Expand All @@ -87,6 +145,9 @@ static struct omap_hwmod_ocp_if *omap2420_l4_core_slaves[] = {
/* Master interfaces on the L4_CORE interconnect */
static struct omap_hwmod_ocp_if *omap2420_l4_core_masters[] = {
&omap2420_l4_core__l4_wkup,
&omap2_l4_core__uart1,
&omap2_l4_core__uart2,
&omap2_l4_core__uart3,
};

/* L4 CORE */
Expand Down Expand Up @@ -165,12 +226,144 @@ static struct omap_hwmod omap2420_iva_hwmod = {
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420)
};

/* UART */

static struct omap_hwmod_class_sysconfig uart_sysc = {
.rev_offs = 0x50,
.sysc_offs = 0x54,
.syss_offs = 0x58,
.sysc_flags = (SYSC_HAS_SIDLEMODE |
SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET |
SYSC_HAS_AUTOIDLE),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};

static struct omap_hwmod_class uart_class = {
.name = "uart",
.sysc = &uart_sysc,
};

/* UART1 */

static struct omap_hwmod_irq_info uart1_mpu_irqs[] = {
{ .irq = INT_24XX_UART1_IRQ, },
};

static struct omap_hwmod_dma_info uart1_sdma_reqs[] = {
{ .name = "rx", .dma_req = OMAP24XX_DMA_UART1_RX, },
{ .name = "tx", .dma_req = OMAP24XX_DMA_UART1_TX, },
};

static struct omap_hwmod_ocp_if *omap2420_uart1_slaves[] = {
&omap2_l4_core__uart1,
};

static struct omap_hwmod omap2420_uart1_hwmod = {
.name = "uart1",
.mpu_irqs = uart1_mpu_irqs,
.mpu_irqs_cnt = ARRAY_SIZE(uart1_mpu_irqs),
.sdma_reqs = uart1_sdma_reqs,
.sdma_reqs_cnt = ARRAY_SIZE(uart1_sdma_reqs),
.main_clk = "uart1_fck",
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
.prcm_reg_id = 1,
.module_bit = OMAP24XX_EN_UART1_SHIFT,
.idlest_reg_id = 1,
.idlest_idle_bit = OMAP24XX_EN_UART1_SHIFT,
},
},
.slaves = omap2420_uart1_slaves,
.slaves_cnt = ARRAY_SIZE(omap2420_uart1_slaves),
.class = &uart_class,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
};

/* UART2 */

static struct omap_hwmod_irq_info uart2_mpu_irqs[] = {
{ .irq = INT_24XX_UART2_IRQ, },
};

static struct omap_hwmod_dma_info uart2_sdma_reqs[] = {
{ .name = "rx", .dma_req = OMAP24XX_DMA_UART2_RX, },
{ .name = "tx", .dma_req = OMAP24XX_DMA_UART2_TX, },
};

static struct omap_hwmod_ocp_if *omap2420_uart2_slaves[] = {
&omap2_l4_core__uart2,
};

static struct omap_hwmod omap2420_uart2_hwmod = {
.name = "uart2",
.mpu_irqs = uart2_mpu_irqs,
.mpu_irqs_cnt = ARRAY_SIZE(uart2_mpu_irqs),
.sdma_reqs = uart2_sdma_reqs,
.sdma_reqs_cnt = ARRAY_SIZE(uart2_sdma_reqs),
.main_clk = "uart2_fck",
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
.prcm_reg_id = 1,
.module_bit = OMAP24XX_EN_UART2_SHIFT,
.idlest_reg_id = 1,
.idlest_idle_bit = OMAP24XX_EN_UART2_SHIFT,
},
},
.slaves = omap2420_uart2_slaves,
.slaves_cnt = ARRAY_SIZE(omap2420_uart2_slaves),
.class = &uart_class,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
};

/* UART3 */

static struct omap_hwmod_irq_info uart3_mpu_irqs[] = {
{ .irq = INT_24XX_UART3_IRQ, },
};

static struct omap_hwmod_dma_info uart3_sdma_reqs[] = {
{ .name = "rx", .dma_req = OMAP24XX_DMA_UART3_RX, },
{ .name = "tx", .dma_req = OMAP24XX_DMA_UART3_TX, },
};

static struct omap_hwmod_ocp_if *omap2420_uart3_slaves[] = {
&omap2_l4_core__uart3,
};

static struct omap_hwmod omap2420_uart3_hwmod = {
.name = "uart3",
.mpu_irqs = uart3_mpu_irqs,
.mpu_irqs_cnt = ARRAY_SIZE(uart3_mpu_irqs),
.sdma_reqs = uart3_sdma_reqs,
.sdma_reqs_cnt = ARRAY_SIZE(uart3_sdma_reqs),
.main_clk = "uart3_fck",
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
.prcm_reg_id = 2,
.module_bit = OMAP24XX_EN_UART3_SHIFT,
.idlest_reg_id = 2,
.idlest_idle_bit = OMAP24XX_EN_UART3_SHIFT,
},
},
.slaves = omap2420_uart3_slaves,
.slaves_cnt = ARRAY_SIZE(omap2420_uart3_slaves),
.class = &uart_class,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
};

static __initdata struct omap_hwmod *omap2420_hwmods[] = {
&omap2420_l3_main_hwmod,
&omap2420_l4_core_hwmod,
&omap2420_l4_wkup_hwmod,
&omap2420_mpu_hwmod,
&omap2420_iva_hwmod,
&omap2420_uart1_hwmod,
&omap2420_uart2_hwmod,
&omap2420_uart3_hwmod,
NULL,
};

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