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Merge tag 'for-arm-soc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/cleanup

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From Linus Walleij:
Two fixes for broken <mach/id.h> cleanup.

* tag 'for-arm-soc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  mfd: db8500-prcmu: update resource passing
  drivers/db8500-cpufreq: delete dangling include

Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson
2013-02-12 14:59:50 -08:00
parent a900e5d997 05ec260ede
commit b22d18c3b4
8 changed files with 182 additions and 66 deletions
Download Patch File Download Diff File Expand all files Collapse all files

126
drivers/mfd/db8500-prcmu.c
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@@ -38,9 +38,6 @@
#include <mach/db8500-regs.h>
#include "dbx500-prcmu-regs.h"
/* Offset for the firmware version within the TCPM */
#define PRCMU_FW_VERSION_OFFSET 0xA4
/* Index of different voltages to be used when accessing AVSData */
#define PRCM_AVS_BASE 0x2FC
#define PRCM_AVS_VBB_RET (PRCM_AVS_BASE + 0x0)
@@ -2704,21 +2701,43 @@ static struct irq_chip prcmu_irq_chip = {
.irq_unmask = prcmu_irq_unmask,
};
static char *fw_project_name(u8 project)
static __init char *fw_project_name(u32 project)
{
switch (project) {
case PRCMU_FW_PROJECT_U8500:
return "U8500";
case PRCMU_FW_PROJECT_U8500_C2:
return "U8500 C2";
case PRCMU_FW_PROJECT_U8400:
return "U8400";
case PRCMU_FW_PROJECT_U9500:
return "U9500";
case PRCMU_FW_PROJECT_U9500_C2:
return "U9500 C2";
case PRCMU_FW_PROJECT_U8500_MBB:
return "U8500 MBB";
case PRCMU_FW_PROJECT_U8500_C1:
return "U8500 C1";
case PRCMU_FW_PROJECT_U8500_C2:
return "U8500 C2";
case PRCMU_FW_PROJECT_U8500_C3:
return "U8500 C3";
case PRCMU_FW_PROJECT_U8500_C4:
return "U8500 C4";
case PRCMU_FW_PROJECT_U9500_MBL:
return "U9500 MBL";
case PRCMU_FW_PROJECT_U8500_MBL:
return "U8500 MBL";
case PRCMU_FW_PROJECT_U8500_MBL2:
return "U8500 MBL2";
case PRCMU_FW_PROJECT_U8520:
return "U8520";
return "U8520 MBL";
case PRCMU_FW_PROJECT_U8420:
return "U8420";
case PRCMU_FW_PROJECT_U9540:
return "U9540";
case PRCMU_FW_PROJECT_A9420:
return "A9420";
case PRCMU_FW_PROJECT_L8540:
return "L8540";
case PRCMU_FW_PROJECT_L8580:
return "L8580";
default:
return "Unknown";
}
@@ -2764,37 +2783,44 @@ static int db8500_irq_init(struct device_node *np)
return 0;
}
static void dbx500_fw_version_init(struct platform_device *pdev,
u32 version_offset)
{
struct resource *res;
void __iomem *tcpm_base;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"prcmu-tcpm");
if (!res) {
dev_err(&pdev->dev,
"Error: no prcmu tcpm memory region provided\n");
return;
}
tcpm_base = ioremap(res->start, resource_size(res));
if (tcpm_base != NULL) {
u32 version;
version = readl(tcpm_base + version_offset);
fw_info.version.project = (version & 0xFF);
fw_info.version.api_version = (version >> 8) & 0xFF;
fw_info.version.func_version = (version >> 16) & 0xFF;
fw_info.version.errata = (version >> 24) & 0xFF;
strncpy(fw_info.version.project_name,
fw_project_name(fw_info.version.project),
PRCMU_FW_PROJECT_NAME_LEN);
fw_info.valid = true;
pr_info("PRCMU firmware: %s(%d), version %d.%d.%d\n",
fw_info.version.project_name,
fw_info.version.project,
fw_info.version.api_version,
fw_info.version.func_version,
fw_info.version.errata);
iounmap(tcpm_base);
}
}
void __init db8500_prcmu_early_init(void)
{
if (cpu_is_u8500v2() || cpu_is_u9540()) {
void *tcpm_base = ioremap_nocache(U8500_PRCMU_TCPM_BASE, SZ_4K);
if (tcpm_base != NULL) {
u32 version;
version = readl(tcpm_base + PRCMU_FW_VERSION_OFFSET);
fw_info.version.project = version & 0xFF;
fw_info.version.api_version = (version >> 8) & 0xFF;
fw_info.version.func_version = (version >> 16) & 0xFF;
fw_info.version.errata = (version >> 24) & 0xFF;
fw_info.valid = true;
pr_info("PRCMU firmware: %s, version %d.%d.%d\n",
fw_project_name(fw_info.version.project),
(version >> 8) & 0xFF, (version >> 16) & 0xFF,
(version >> 24) & 0xFF);
iounmap(tcpm_base);
}
if (cpu_is_u9540())
tcdm_base = ioremap_nocache(U8500_PRCMU_TCDM_BASE,
SZ_4K + SZ_8K) + SZ_8K;
else
tcdm_base = __io_address(U8500_PRCMU_TCDM_BASE);
} else {
pr_err("prcmu: Unsupported chip version\n");
BUG();
}
tcdm_base = __io_address(U8500_PRCMU_TCDM_BASE);
spin_lock_init(&mb0_transfer.lock);
spin_lock_init(&mb0_transfer.dbb_irqs_lock);
mutex_init(&mb0_transfer.ac_wake_lock);
@@ -3104,20 +3130,30 @@ static void db8500_prcmu_update_cpufreq(void)
*/
static int db8500_prcmu_probe(struct platform_device *pdev)
{
struct ab8500_platform_data *ab8500_platdata = pdev->dev.platform_data;
struct device_node *np = pdev->dev.of_node;
struct prcmu_pdata *pdata = dev_get_platdata(&pdev->dev);
int irq = 0, err = 0, i;
struct resource *res;
init_prcm_registers();
dbx500_fw_version_init(pdev, pdata->version_offset);
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "prcmu-tcdm");
if (!res) {
dev_err(&pdev->dev, "no prcmu tcdm region provided\n");
return -ENOENT;
}
tcdm_base = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
/* Clean up the mailbox interrupts after pre-kernel code. */
writel(ALL_MBOX_BITS, PRCM_ARM_IT1_CLR);
if (np)
irq = platform_get_irq(pdev, 0);
if (!np || irq <= 0)
irq = IRQ_DB8500_PRCMU1;
irq = platform_get_irq(pdev, 0);
if (irq <= 0) {
dev_err(&pdev->dev, "no prcmu irq provided\n");
return -ENOENT;
}
err = request_threaded_irq(irq, prcmu_irq_handler,
prcmu_irq_thread_fn, IRQF_NO_SUSPEND, "prcmu", NULL);
@@ -3131,7 +3167,7 @@ static int db8500_prcmu_probe(struct platform_device *pdev)
for (i = 0; i < ARRAY_SIZE(db8500_prcmu_devs); i++) {
if (!strcmp(db8500_prcmu_devs[i].name, "ab8500-core")) {
db8500_prcmu_devs[i].platform_data = ab8500_platdata;
db8500_prcmu_devs[i].platform_data = pdata->ab_platdata;
db8500_prcmu_devs[i].pdata_size = sizeof(struct ab8500_platform_data);
}
}