ARM: 6927/1: SPEAr Clock: Update for single image solution
This patch creates different clk_lookup arrays for individual machines. These lookup arrays will be registered only if that specific machine is current machine. Reviewed-by: Stanley Miao <stanley.miao@windriver.com> Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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@ -13,6 +13,7 @@
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <asm/mach-types.h>
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#include <plat/clock.h>
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#include <mach/misc_regs.h>
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@ -688,56 +689,71 @@ static struct clk_lookup spear_clk_lookups[] = {
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{ .dev_id = "adc", .clk = &adc_clk},
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{ .dev_id = "ssp-pl022.0", .clk = &ssp0_clk},
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{ .dev_id = "gpio", .clk = &gpio_clk},
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#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320)
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{ .dev_id = "physmap-flash", .clk = &emi_clk},
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#endif
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#if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR310) || \
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defined(CONFIG_MACH_SPEAR320)
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{ .con_id = "fsmc", .clk = &fsmc_clk},
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#endif
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};
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/* common clocks to spear310 and spear320 */
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#if defined(CONFIG_MACH_SPEAR310) || defined(CONFIG_MACH_SPEAR320)
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{ .dev_id = "uart1", .clk = &uart1_clk},
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{ .dev_id = "uart2", .clk = &uart2_clk},
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#endif
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/* common clock to spear300 and spear320 */
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#if defined(CONFIG_MACH_SPEAR300) || defined(CONFIG_MACH_SPEAR320)
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{ .dev_id = "clcd", .clk = &clcd_clk},
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{ .dev_id = "sdhci", .clk = &sdhci_clk},
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#endif /* CONFIG_MACH_SPEAR300 || CONFIG_MACH_SPEAR320 */
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/* spear300 machine specific clock structures */
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/* array of all spear 300 clock lookups */
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#ifdef CONFIG_MACH_SPEAR300
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static struct clk_lookup spear300_clk_lookups[] = {
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{ .dev_id = "clcd", .clk = &clcd_clk},
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{ .con_id = "fsmc", .clk = &fsmc_clk},
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{ .dev_id = "gpio1", .clk = &gpio1_clk},
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{ .dev_id = "keyboard", .clk = &kbd_clk},
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{ .dev_id = "sdhci", .clk = &sdhci_clk},
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};
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#endif
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/* spear310 machine specific clock structures */
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/* array of all spear 310 clock lookups */
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#ifdef CONFIG_MACH_SPEAR310
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static struct clk_lookup spear310_clk_lookups[] = {
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{ .con_id = "fsmc", .clk = &fsmc_clk},
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{ .con_id = "emi", .clk = &emi_clk},
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{ .dev_id = "uart1", .clk = &uart1_clk},
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{ .dev_id = "uart2", .clk = &uart2_clk},
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{ .dev_id = "uart3", .clk = &uart3_clk},
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{ .dev_id = "uart4", .clk = &uart4_clk},
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{ .dev_id = "uart5", .clk = &uart5_clk},
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};
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#endif
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/* spear320 machine specific clock structures */
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/* array of all spear 320 clock lookups */
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#ifdef CONFIG_MACH_SPEAR320
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static struct clk_lookup spear320_clk_lookups[] = {
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{ .dev_id = "clcd", .clk = &clcd_clk},
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{ .con_id = "fsmc", .clk = &fsmc_clk},
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{ .dev_id = "i2c_designware.1", .clk = &i2c1_clk},
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{ .con_id = "emi", .clk = &emi_clk},
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{ .dev_id = "pwm", .clk = &pwm_clk},
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{ .dev_id = "sdhci", .clk = &sdhci_clk},
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{ .dev_id = "c_can_platform.0", .clk = &can0_clk},
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{ .dev_id = "c_can_platform.1", .clk = &can1_clk},
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{ .dev_id = "i2c_designware.1", .clk = &i2c1_clk},
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{ .dev_id = "ssp-pl022.1", .clk = &ssp1_clk},
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{ .dev_id = "ssp-pl022.2", .clk = &ssp2_clk},
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{ .dev_id = "pwm", .clk = &pwm_clk},
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#endif
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{ .dev_id = "uart1", .clk = &uart1_clk},
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{ .dev_id = "uart2", .clk = &uart2_clk},
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};
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#endif
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void __init spear3xx_clk_init(void)
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{
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int i;
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int i, cnt;
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struct clk_lookup *lookups;
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if (machine_is_spear300()) {
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cnt = ARRAY_SIZE(spear300_clk_lookups);
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lookups = spear300_clk_lookups;
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} else if (machine_is_spear310()) {
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cnt = ARRAY_SIZE(spear310_clk_lookups);
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lookups = spear310_clk_lookups;
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} else {
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cnt = ARRAY_SIZE(spear320_clk_lookups);
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lookups = spear320_clk_lookups;
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}
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for (i = 0; i < ARRAY_SIZE(spear_clk_lookups); i++)
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clk_register(&spear_clk_lookups[i]);
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for (i = 0; i < cnt; i++)
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clk_register(&lookups[i]);
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clk_init();
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}
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